tests/lib/test_ctf_writer.c

   1 /*
   2  * test_ctf_writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ctf-ir/packet.h>
  30 #include <babeltrace/ctf-ir/clock-class.h>
  31 #include <babeltrace/ctf-ir/trace.h>
  32 #include <babeltrace/ref.h>
  33 #include <babeltrace/ctf/events.h>
  34 #include <babeltrace/values.h>
  35 #include <unistd.h>
  36 #include <babeltrace/compat/stdlib-internal.h>
  37 #include <stdio.h>
  38 #include <babeltrace/compat/utsname-internal.h>
  39 #include <babeltrace/compat/limits-internal.h>
  40 #include <babeltrace/compat/stdio-internal.h>
  41 #include <string.h>
  42 #include <assert.h>
  43 #include <sys/wait.h>
  44 #include <fcntl.h>
  45 #include <babeltrace/compat/dirent-internal.h>
  46 #include "tap/tap.h"
  47 #include <math.h>
  48 #include <float.h>
  49 #include "common.h"
  50
  51 #define METADATA_LINE_SIZE 512
  52 #define SEQUENCE_TEST_LENGTH 10
  53 #define ARRAY_TEST_LENGTH 5
  54 #define PACKET_RESIZE_TEST_LENGTH 100000
  55
  56 #define DEFAULT_CLOCK_FREQ 1000000000
  57 #define DEFAULT_CLOCK_PRECISION 1
  58 #define DEFAULT_CLOCK_OFFSET 0
  59 #define DEFAULT_CLOCK_OFFSET_S 0
  60 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  61 #define DEFAULT_CLOCK_TIME 0
  62 #define DEFAULT_CLOCK_VALUE 0
  63
  64 #define NR_TESTS 633
  65
  66 static int64_t current_time = 42;
  67
  68 /* Return 1 if uuids match, zero if different. */
  69 static
  70 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  71 {
  72         int ret = 0;
  73         int i;
  74
  75         if (!uuid_a || !uuid_b) {
  76                 goto end;
  77         }
  78
  79         for (i = 0; i < 16; i++) {
  80                 if (uuid_a[i] != uuid_b[i]) {
  81                         goto end;
  82                 }
  83         }
  84
  85         ret = 1;
  86 end:
  87         return ret;
  88 }
  89
  90 static
  91 void validate_trace(char *parser_path, char *trace_path)
  92 {
  93         int ret = 0;
  94         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
  95         int babeltrace_output_fd = -1;
  96
  97         if (!trace_path) {
  98                 ret = -1;
  99                 goto result;
 100         }
 101
 102         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 103         unlink(babeltrace_output_path);
 104
 105         if (babeltrace_output_fd == -1) {
 106                 diag("Failed to create a temporary file for trace parsing.");
 107                 ret = -1;
 108                 goto result;
 109         }
 110
 111         pid_t pid = fork();
 112         if (pid) {
 113                 int status = 0;
 114                 waitpid(pid, &status, 0);
 115                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 116         } else {
 117                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 118                 if (ret < 0) {
 119                         perror("# dup2 babeltrace_output_fd to STDOUT");
 120                         goto result;
 121                 }
 122
 123                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 124                 if (ret < 0) {
 125                         perror("# dup2 babeltrace_output_fd to STDERR");
 126                         goto result;
 127                 }
 128
 129                 execl(parser_path, "babeltrace", trace_path, NULL);
 130                 perror("# Could not launch the babeltrace process");
 131                 exit(-1);
 132         }
 133 result:
 134         ok(ret == 0, "Babeltrace could read the resulting trace");
 135
 136         if (ret && babeltrace_output_fd >= 0) {
 137                 char *line;
 138                 size_t len = METADATA_LINE_SIZE;
 139                 FILE *babeltrace_output_fp = NULL;
 140
 141                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 142                 if (!babeltrace_output_fp) {
 143                         perror("fdopen on babeltrace_output_fd");
 144                         goto close_fp;
 145                 }
 146                 babeltrace_output_fd = -1;
 147
 148                 line = malloc(len);
 149                 if (!line) {
 150                         diag("malloc error");
 151                 }
 152                 rewind(babeltrace_output_fp);
 153                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 154                         diag("%s", line);
 155                 }
 156
 157                 free(line);
 158 close_fp:
 159                 if (babeltrace_output_fp) {
 160                         if (fclose(babeltrace_output_fp)) {
 161                                 diag("fclose error");
 162                         }
 163                 }
 164         }
 165
 166         if (babeltrace_output_fd >= 0) {
 167                 if (close(babeltrace_output_fd)) {
 168                         diag("close error");
 169                 }
 170         }
 171 }
 172
 173 static
 174 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 175                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 176 {
 177         /* Create and add a simple event class */
 178         struct bt_ctf_event_class *simple_event_class =
 179                 bt_ctf_event_class_create("Simple Event");
 180         struct bt_ctf_field_type *uint_12_type =
 181                 bt_ctf_field_type_integer_create(12);
 182         struct bt_ctf_field_type *int_64_type =
 183                 bt_ctf_field_type_integer_create(64);
 184         struct bt_ctf_field_type *float_type =
 185                 bt_ctf_field_type_floating_point_create();
 186         struct bt_ctf_field_type *enum_type;
 187         struct bt_ctf_field_type *enum_type_unsigned =
 188                 bt_ctf_field_type_enumeration_create(uint_12_type);
 189         struct bt_ctf_field_type *event_context_type =
 190                 bt_ctf_field_type_structure_create();
 191         struct bt_ctf_field_type *event_payload_type = NULL;
 192         struct bt_ctf_field_type *returned_type;
 193         struct bt_ctf_event *simple_event;
 194         struct bt_ctf_field *integer_field;
 195         struct bt_ctf_field *float_field;
 196         struct bt_ctf_field *enum_field;
 197         struct bt_ctf_field *enum_field_unsigned;
 198         struct bt_ctf_field *enum_container_field;
 199         const char *mapping_name_test = "truie";
 200         const double double_test_value = 3.1415;
 201         struct bt_ctf_field *enum_container_field_unsigned;
 202         const char *mapping_name_negative_test = "negative_value";
 203         const char *ret_char;
 204         double ret_double;
 205         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 206         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 207         struct bt_ctf_event_class *ret_event_class;
 208         struct bt_ctf_field *packet_context;
 209         struct bt_ctf_field *packet_context_field;
 210         struct bt_ctf_field *stream_event_context;
 211         struct bt_ctf_field *stream_event_context_field;
 212         struct bt_ctf_field *event_context;
 213         struct bt_ctf_field *event_context_field;
 214         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 215         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 216         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 217         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 218         int ret;
 219
 220         ok(uint_12_type, "Create an unsigned integer type");
 221
 222         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 223                 "Set signed 64 bit integer signedness to true");
 224         ok(int_64_type, "Create a signed integer type");
 225         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 226
 227         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 228         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 229         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 230         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 231                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 232         bt_put(returned_type);
 233
 234         bt_ctf_field_type_set_alignment(float_type, 32);
 235         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 236                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 237         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 238                 "bt_ctf_field_type_get_alignment returns a correct value");
 239
 240         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 241                 "Set a floating point type's exponent digit count");
 242         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 243                 "Set a floating point type's mantissa digit count");
 244
 245         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 246                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 247         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 248                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 249         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 250                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 251         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 252                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 253
 254         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 255                 mapping_name_negative_test, -12345, 0) == 0,
 256                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 257         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 258                 "escaping; \"test\"", 1, 1) == 0,
 259                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 260         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 261                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 262                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 263         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 264                 "event clock int float", 5, 22) == 0,
 265                 "Accept enumeration mapping strings containing reserved keywords");
 266         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 267                 42, 42);
 268         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 269                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 270         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 271                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 272         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 273                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 274         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 275
 276         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 277         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 278
 279         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 280         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 281
 282         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 283         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 284         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 285                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 286         BT_PUT(iter);
 287
 288         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 289                 "enum_field") == 0, "Add signed enumeration field to event");
 290
 291         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 292                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 293                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 294         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 295                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 296                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 297         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 298                 NULL, &ret_range_end_int64_t) == 0,
 299                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 300         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 301                 &ret_range_start_int64_t, NULL) == 0,
 302                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 303         /* Assumes entries are sorted by range_start values. */
 304         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 305                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 306                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 307         ok(!strcmp(ret_char, mapping_name_test),
 308                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 309         ok(ret_range_start_int64_t == 42,
 310                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 311         ok(ret_range_end_int64_t == 42,
 312                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 313
 314         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 315                 "escaping; \"test\"", 0, 0) == 0,
 316                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 317         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 318                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 319                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 320         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 321                 "event clock int float", 5, 22) == 0,
 322                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 323         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 324                 42, 42);
 325         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 326                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 327         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 328                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 329         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 330                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 331         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 332                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 333
 334         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 335                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 336         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 337                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 338
 339         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 340                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 341                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 342         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 343                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 344                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 345         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 346                 NULL, &ret_range_end_uint64_t) == 0,
 347                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 348         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 349                 &ret_range_start_uint64_t, NULL) == 0,
 350                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 351         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 352                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 353                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 354         ok(!strcmp(ret_char, mapping_name_test),
 355                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 356         ok(ret_range_start_uint64_t == 42,
 357                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 358         ok(ret_range_end_uint64_t == 42,
 359                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 360
 361         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 362                 "integer_field");
 363         bt_ctf_event_class_add_field(simple_event_class, float_type,
 364                 "float_field");
 365
 366         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 367
 368         /* Set an event context type which will contain a single integer. */
 369         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 370                 "event_specific_context"),
 371                 "Add event specific context field");
 372         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 373                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 374
 375         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 376                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 377         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 378                 "Set an event class' context type successfully");
 379         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 380         ok(returned_type == event_context_type,
 381                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 382         bt_put(returned_type);
 383
 384         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 385                 "Adding simple event class to stream class");
 386
 387         /*
 388          * bt_ctf_stream_class_add_event_class() copies the field types
 389          * of simple_event_class, so we retrieve the new ones to create
 390          * the appropriate fields.
 391          */
 392         BT_PUT(event_context_type);
 393         BT_PUT(event_payload_type);
 394         event_payload_type = bt_ctf_event_class_get_payload_type(
 395                 simple_event_class);
 396         assert(event_payload_type);
 397         event_context_type = bt_ctf_event_class_get_context_type(
 398                 simple_event_class);
 399         assert(event_context_type);
 400         ep_integer_field_type =
 401                 bt_ctf_field_type_structure_get_field_type_by_name(
 402                         event_payload_type, "integer_field");
 403         assert(ep_integer_field_type);
 404         ep_enum_field_type =
 405                 bt_ctf_field_type_structure_get_field_type_by_name(
 406                         event_payload_type, "enum_field");
 407         assert(ep_enum_field_type);
 408         ep_enum_field_unsigned_type =
 409                 bt_ctf_field_type_structure_get_field_type_by_name(
 410                         event_payload_type, "enum_field_unsigned");
 411         assert(ep_enum_field_unsigned_type);
 412
 413         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 414                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 415         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 416                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 417         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 418                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 419         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 420                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 421         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 422         ok(ret_event_class == simple_event_class,
 423                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 424         bt_put(ret_event_class);
 425         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 426                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 427         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 428                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 429         ret_event_class =
 430                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 431         ok(ret_event_class == simple_event_class,
 432                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 433         bt_put(ret_event_class);
 434
 435         simple_event = bt_ctf_event_create(simple_event_class);
 436         ok(simple_event,
 437                 "Instantiate an event containing a single integer field");
 438
 439         integer_field = bt_ctf_field_create(ep_integer_field_type);
 440         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 441         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 442                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 443
 444         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 445         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 446                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 447         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 448         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 449                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 450         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 451                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 452         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 453                 "bt_ctf_field_floating_point_get_value returns a double value");
 454         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 455                 "bt_ctf_field_floating_point_get_value returns a correct value");
 456
 457         enum_field = bt_ctf_field_create(ep_enum_field_type);
 458         assert(enum_field);
 459
 460         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 461         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 462         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 463         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 464         enum_container_field = bt_ctf_field_enumeration_get_container(
 465                 enum_field);
 466         ok(bt_ctf_field_signed_integer_set_value(
 467                 enum_container_field, -42) == 0,
 468                 "Set signed enumeration container value");
 469         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 470         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 471         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 472         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 473         assert(ret_char);
 474         ok(!strcmp(ret_char, mapping_name_negative_test),
 475                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 476         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 477         assert(!ret);
 478         BT_PUT(iter);
 479
 480         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 481         assert(enum_field_unsigned);
 482         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 483                 enum_field_unsigned);
 484         ok(bt_ctf_field_unsigned_integer_set_value(
 485                 enum_container_field_unsigned, 42) == 0,
 486                 "Set unsigned enumeration container value");
 487         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 488                 enum_field_unsigned);
 489         assert(!ret);
 490         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 491         assert(iter);
 492         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 493         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 494                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 495
 496         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 497
 498         /* Populate stream event context */
 499         stream_event_context =
 500                 bt_ctf_event_get_stream_event_context(simple_event);
 501         assert(stream_event_context);
 502         stream_event_context_field = bt_ctf_field_structure_get_field(
 503                 stream_event_context, "common_event_context");
 504         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 505
 506         /* Populate the event's context */
 507         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 508                 "bt_ctf_event_get_event_context handles NULL correctly");
 509         event_context = bt_ctf_event_get_event_context(simple_event);
 510         ok(event_context,
 511                 "bt_ctf_event_get_event_context returns a field");
 512         returned_type = bt_ctf_field_get_type(event_context);
 513         ok(returned_type == event_context_type,
 514                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 515         event_context_field = bt_ctf_field_structure_get_field(event_context,
 516                 "event_specific_context");
 517         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 518                 "Successfully set an event context's value");
 519         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 520                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 521         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 522                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 523         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 524                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 525         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 526                 "Set an event context successfully");
 527
 528         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 529                 "Append simple event to trace stream");
 530
 531         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 532                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 533         packet_context = bt_ctf_stream_get_packet_context(stream);
 534         ok(packet_context,
 535                 "bt_ctf_stream_get_packet_context returns a packet context");
 536
 537         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 538                 "packet_size");
 539         ok(packet_context_field,
 540                 "Packet context contains the default packet_size field.");
 541         bt_put(packet_context_field);
 542         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 543                 "custom_packet_context_field");
 544         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 545                 "Custom packet context field value successfully set.");
 546
 547         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 548                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 549         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 550                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 551         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 552                 "Successfully set a stream's packet context");
 553
 554         ok(bt_ctf_stream_flush(stream) == 0,
 555                 "Flush trace stream with one event");
 556
 557         bt_put(simple_event_class);
 558         bt_put(simple_event);
 559         bt_put(uint_12_type);
 560         bt_put(int_64_type);
 561         bt_put(float_type);
 562         bt_put(enum_type);
 563         bt_put(enum_type_unsigned);
 564         bt_put(returned_type);
 565         bt_put(event_context_type);
 566         bt_put(integer_field);
 567         bt_put(float_field);
 568         bt_put(enum_field);
 569         bt_put(enum_field_unsigned);
 570         bt_put(enum_container_field);
 571         bt_put(enum_container_field_unsigned);
 572         bt_put(packet_context);
 573         bt_put(packet_context_field);
 574         bt_put(stream_event_context);
 575         bt_put(stream_event_context_field);
 576         bt_put(event_context);
 577         bt_put(event_context_field);
 578         bt_put(event_payload_type);
 579         bt_put(ep_integer_field_type);
 580         bt_put(ep_enum_field_type);
 581         bt_put(ep_enum_field_unsigned_type);
 582         bt_put(iter);
 583 }
 584
 585 static
 586 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 587                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 588 {
 589         struct event_class_attrs_counts {
 590                 int id;
 591                 int name;
 592                 int loglevel;
 593                 int modelemfuri;
 594                 int unknown;
 595         } attrs_count;
 596
 597         int i;
 598         int ret;
 599         int64_t int64_value;
 600         struct event_class_attrs_counts ;
 601         const char *complex_test_event_string = "Complex Test Event";
 602         const char *test_string_1 = "Test ";
 603         const char *test_string_2 = "string ";
 604         const char *test_string_3 = "abcdefghi";
 605         const char *test_string_4 = "abcd\0efg\0hi";
 606         const char *test_string_cat = "Test string abcdeabcd";
 607         struct bt_ctf_field_type *uint_35_type =
 608                 bt_ctf_field_type_integer_create(35);
 609         struct bt_ctf_field_type *int_16_type =
 610                 bt_ctf_field_type_integer_create(16);
 611         struct bt_ctf_field_type *uint_3_type =
 612                 bt_ctf_field_type_integer_create(3);
 613         struct bt_ctf_field_type *enum_variant_type =
 614                 bt_ctf_field_type_enumeration_create(uint_3_type);
 615         struct bt_ctf_field_type *variant_type =
 616                 bt_ctf_field_type_variant_create(enum_variant_type,
 617                         "variant_selector");
 618         struct bt_ctf_field_type *string_type =
 619                 bt_ctf_field_type_string_create();
 620         struct bt_ctf_field_type *sequence_type;
 621         struct bt_ctf_field_type *array_type;
 622         struct bt_ctf_field_type *inner_structure_type =
 623                 bt_ctf_field_type_structure_create();
 624         struct bt_ctf_field_type *complex_structure_type =
 625                 bt_ctf_field_type_structure_create();
 626         struct bt_ctf_field_type *ret_field_type;
 627         struct bt_ctf_event_class *event_class;
 628         struct bt_ctf_event *event;
 629         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 630                 *inner_structure_field, *complex_structure_field,
 631                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 632                 *variant_field, *an_array_field, *stream_event_ctx_field,
 633                 *stream_event_ctx_int_field, *ret_field;
 634         uint64_t ret_unsigned_int;
 635         int64_t ret_signed_int;
 636         const char *ret_string;
 637         struct bt_ctf_stream_class *ret_stream_class;
 638         struct bt_ctf_event_class *ret_event_class;
 639         struct bt_ctf_field *packet_context, *packet_context_field;
 640         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 641         struct bt_value *obj;
 642
 643         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 644                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 645         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 646                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 647         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 648                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 649         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 650                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 651         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 652                 "Set alignment of signed 16 bit integer to 32");
 653         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 654                 "Set integer signedness to true");
 655         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 656                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 657                 "Set signed 16 bit integer base to hexadecimal");
 658
 659         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 660         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 661                 "seq_len");
 662
 663         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 664                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 665         ret_field_type = bt_ctf_field_type_array_get_element_type(
 666                 array_type);
 667         ok(ret_field_type == int_16_type,
 668                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 669         bt_put(ret_field_type);
 670
 671         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 672                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 673         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 674                 "bt_ctf_field_type_array_get_length returns the correct length");
 675
 676         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 677                 inner_structure_type, "yes"), "Cannot add self to structure");
 678         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 679                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 680         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 681                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 682         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 683                 array_type, "an_array"), "Add an_array field to inner structure");
 684
 685         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 686                 "UINT3_TYPE", 0, 0);
 687         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 688                 "INT16_TYPE", 1, 1);
 689         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 690                 "UINT35_TYPE", 2, 7);
 691
 692         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 693         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 694
 695         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 696         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 697         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 698                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 699         BT_PUT(iter);
 700
 701         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 702         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 703
 704         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 705         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 706
 707         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 708         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 709         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 710                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 711         BT_PUT(iter);
 712
 713         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 714         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 715         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 716                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 717         BT_PUT(iter);
 718
 719         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 720                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 721         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 722                 "UINT3_TYPE") == 0, "Add a field to a variant");
 723         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 724                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 725         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 726                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 727
 728         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 729                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 730         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 731         ok(ret_field_type == enum_variant_type,
 732                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 733         bt_put(ret_field_type);
 734
 735         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 736                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 737         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 738         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 739                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 740         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 741                 "INT16_TYPE") == NULL,
 742                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 743         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 744                 NULL) == NULL,
 745                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 746         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 747                 variant_type, "INT16_TYPE");
 748         ok(ret_field_type == int_16_type,
 749                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 750         bt_put(ret_field_type);
 751
 752         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 753                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 754         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 755                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 756
 757         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 758                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 759         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 760                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 761         bt_put(ret_field_type);
 762         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 763                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 764         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 765                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 766         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 767                 "bt_ctf_field_type_variant_get_field returns a field");
 768         ok(!strcmp("INT16_TYPE", ret_string),
 769                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 770         ok(ret_field_type == int_16_type,
 771                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 772         bt_put(ret_field_type);
 773
 774         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 775                 enum_variant_type, "variant_selector"),
 776                 "Add variant_selector field to complex structure");
 777         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 778                 string_type, "a_string"), "Add a_string field to complex structure");
 779         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 780                 variant_type, "variant_value"),
 781                 "Add variant_value field to complex structure");
 782         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 783                 inner_structure_type, "inner_structure"),
 784                 "Add inner_structure field to complex structure");
 785
 786         event_class = bt_ctf_event_class_create(complex_test_event_string);
 787         ok(event_class, "Create an event class");
 788         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 789                 "Reject addition of a field with an empty name to an event");
 790         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 791                 "Reject addition of a field with a NULL type to an event");
 792         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 793                 "int"),
 794                 "Reject addition of a type with an illegal name to an event");
 795         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 796                 "uint_35") == 0,
 797                 "Add field of type unsigned integer to an event");
 798         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 799                 "int_16") == 0, "Add field of type signed integer to an event");
 800         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 801                 "complex_structure") == 0,
 802                 "Add composite structure to an event");
 803
 804         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 805                 "bt_ctf_event_class_get_name handles NULL correctly");
 806         ret_string = bt_ctf_event_class_get_name(event_class);
 807         ok(!strcmp(ret_string, complex_test_event_string),
 808                 "bt_ctf_event_class_get_name returns a correct name");
 809         ok(bt_ctf_event_class_get_id(event_class) < 0,
 810                 "bt_ctf_event_class_get_id returns a negative value when not set");
 811         ok(bt_ctf_event_class_get_id(NULL) < 0,
 812                 "bt_ctf_event_class_get_id handles NULL correctly");
 813         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 814                 "bt_ctf_event_class_set_id handles NULL correctly");
 815         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 816                 "Set an event class' id");
 817         ok(bt_ctf_event_class_get_id(event_class) == 42,
 818                 "bt_ctf_event_class_get_id returns the correct value");
 819
 820         /* Test event class attributes */
 821         obj = bt_value_integer_create_init(15);
 822         assert(obj);
 823         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 824                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 825         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 826                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 827         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 828                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 829         assert(!bt_value_integer_set(obj, -3));
 830         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 831                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 832         assert(!bt_value_integer_set(obj, 11));
 833         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 834         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 835                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 836         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 837         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 838         ok(ret,
 839                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 840         BT_PUT(obj);
 841
 842         obj = bt_value_integer_create_init(5);
 843         assert(obj);
 844         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 845                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 846         BT_PUT(obj);
 847         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 848                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 849         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 850                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 851         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 852                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 853         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 854                 "loglevel");
 855         int64_value = 0;
 856         ret = bt_value_integer_get(obj, &int64_value);
 857         ok(obj && !ret && int64_value == 5,
 858                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 859         BT_PUT(obj);
 860
 861         obj = bt_value_string_create_init("nu name");
 862         assert(obj);
 863         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 864         ret_string = bt_ctf_event_class_get_name(event_class);
 865         ok(!strcmp(ret_string, "nu name"),
 866                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 867         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 868         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 869         ok(ret,
 870                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 871         BT_PUT(obj);
 872         obj = bt_value_string_create_init("http://kernel.org/");
 873         assert(obj);
 874         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 875         BT_PUT(obj);
 876
 877         ok(bt_ctf_event_class_get_attribute_count(NULL),
 878                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 879         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 880                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 881         ok(!bt_ctf_event_class_get_attribute_name_by_index(NULL, 0),
 882                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 883         ok(!bt_ctf_event_class_get_attribute_name_by_index(event_class, 4),
 884                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 885         ok(!bt_ctf_event_class_get_attribute_value_by_index(NULL, 0),
 886                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 887         ok(!bt_ctf_event_class_get_attribute_value_by_index(event_class, 4),
 888                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 889
 890         memset(&attrs_count, 0, sizeof(attrs_count));
 891
 892         for (i = 0; i < 4; ++i) {
 893                 ret_string = bt_ctf_event_class_get_attribute_name_by_index(
 894                         event_class, i);
 895                 obj = bt_ctf_event_class_get_attribute_value_by_index(
 896                         event_class, i);
 897                 assert(ret_string && obj);
 898
 899                 if (!strcmp(ret_string, "id")) {
 900                         attrs_count.id++;
 901                         ok(bt_value_is_integer(obj),
 902                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 903                                 ret_string);
 904                 } else if (!strcmp(ret_string, "name")) {
 905                         attrs_count.name++;
 906                         ok(bt_value_is_string(obj),
 907                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 908                                 ret_string);
 909                 } else if (!strcmp(ret_string, "loglevel")) {
 910                         attrs_count.loglevel++;
 911                         ok(bt_value_is_integer(obj),
 912                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 913                                 ret_string);
 914                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 915                         attrs_count.modelemfuri++;
 916                         ok(bt_value_is_string(obj),
 917                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 918                                 ret_string);
 919                 } else {
 920                         attrs_count.unknown++;
 921                 }
 922
 923                 BT_PUT(obj);
 924         }
 925
 926         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 927         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 928                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 929                 "event class has one instance of each known attribute");
 930
 931         /* Add event class to the stream class */
 932         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 933                 "Reject addition of NULL event class to a stream class");
 934         ok(bt_ctf_stream_class_add_event_class(stream_class,
 935                 event_class) == 0, "Add an event class to stream class");
 936
 937         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 938                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 939         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 940         ok(ret_stream_class == stream_class,
 941                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 942         bt_put(ret_stream_class);
 943
 944         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 945                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 946         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 947                 "bt_ctf_event_class_get_field_count returns a correct value");
 948
 949         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 950                 &ret_field_type, 0) < 0,
 951                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 952         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 953                 &ret_field_type, 0) == 0,
 954                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 955         bt_put(ret_field_type);
 956         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 957                 NULL, 0) == 0,
 958                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 959         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 960                 &ret_field_type, 42) < 0,
 961                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 962         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 963                 &ret_field_type, 0) == 0,
 964                 "bt_ctf_event_class_get_field returns a field");
 965         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 966                 "bt_ctf_event_class_get_field returns a correct field type");
 967         bt_put(ret_field_type);
 968         ok(!strcmp(ret_string, "uint_35"),
 969                 "bt_ctf_event_class_get_field returns a correct field name");
 970         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 971                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 972         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 973                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 974         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 975                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 976         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 977                 "complex_structure");
 978         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 979                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 980         bt_put(ret_field_type);
 981
 982         event = bt_ctf_event_create(event_class);
 983         ok(event, "Instanciate a complex event");
 984
 985         ok(bt_ctf_event_get_class(NULL) == NULL,
 986                 "bt_ctf_event_get_class handles NULL correctly");
 987         ret_event_class = bt_ctf_event_get_class(event);
 988         ok(ret_event_class == event_class,
 989                 "bt_ctf_event_get_class returns the correct event class");
 990         bt_put(ret_event_class);
 991
 992         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 993         if (!uint_35_field) {
 994                 printf("uint_35_field is NULL\n");
 995         }
 996
 997         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 998         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 999         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1000                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1001         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1002                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1003         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1004                 &ret_unsigned_int) == 0,
1005                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1006         ok(ret_unsigned_int == 0x0DDF00D,
1007                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1008         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1009                 &ret_signed_int) < 0,
1010                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1011         bt_put(uint_35_field);
1012
1013         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1014         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1015         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1016                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1017         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1018                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1019         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1020                 &ret_signed_int) == 0,
1021                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1022         ok(ret_signed_int == -12345,
1023                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1024         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1025                 &ret_unsigned_int) < 0,
1026                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1027         bt_put(int_16_field);
1028
1029         complex_structure_field = bt_ctf_event_get_payload(event,
1030                 "complex_structure");
1031
1032         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1033                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1034         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1035                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1036         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1037                 complex_structure_field, 3);
1038         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1039         bt_put(inner_structure_field);
1040         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1041                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1042         bt_put(ret_field_type);
1043
1044         inner_structure_field = bt_ctf_field_structure_get_field(
1045                 complex_structure_field, "inner_structure");
1046         a_string_field = bt_ctf_field_structure_get_field(
1047                 complex_structure_field, "a_string");
1048         enum_variant_field = bt_ctf_field_structure_get_field(
1049                 complex_structure_field, "variant_selector");
1050         variant_field = bt_ctf_field_structure_get_field(
1051                 complex_structure_field, "variant_value");
1052         uint_35_field = bt_ctf_field_structure_get_field(
1053                 inner_structure_field, "seq_len");
1054         a_sequence_field = bt_ctf_field_structure_get_field(
1055                 inner_structure_field, "a_sequence");
1056         an_array_field = bt_ctf_field_structure_get_field(
1057                 inner_structure_field, "an_array");
1058
1059         enum_container_field = bt_ctf_field_enumeration_get_container(
1060                 enum_variant_field);
1061         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1062         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1063                 enum_variant_field);
1064         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1065         bt_put(int_16_field);
1066         ok(!bt_ctf_field_string_get_value(a_string_field),
1067                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1068         bt_ctf_field_string_set_value(a_string_field,
1069                 test_string_1);
1070         ok(!bt_ctf_field_string_get_value(NULL),
1071                 "bt_ctf_field_string_get_value correctly handles NULL");
1072         ok(bt_ctf_field_string_append(NULL, "yeah"),
1073                 "bt_ctf_field_string_append correctly handles a NULL string field");
1074         ok(bt_ctf_field_string_append(a_string_field, NULL),
1075                 "bt_ctf_field_string_append correctly handles a NULL string value");
1076         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1077                 "bt_ctf_field_string_append succeeds");
1078         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1079                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1080         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1081                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1082         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1083                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1084         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1085                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1086         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1087                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1088         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1089                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1090
1091         ret_string = bt_ctf_field_string_get_value(a_string_field);
1092         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1093         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1094                 "bt_ctf_field_string_get_value returns a correct value");
1095         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1096                 SEQUENCE_TEST_LENGTH);
1097
1098         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1099                 enum_container_field) == NULL,
1100                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1101         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1102                 NULL) == NULL,
1103                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1104         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1105                 variant_type, enum_variant_field);
1106         ok(ret_field_type == int_16_type,
1107                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1108
1109         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1110                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1111         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1112                 uint_35_field) == 0, "Set a sequence field's length");
1113         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1114         ok(ret_field == uint_35_field,
1115                 "bt_ctf_field_sequence_get_length returns the correct length field");
1116         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1117                 "bt_ctf_field_sequence_get_length properly handles NULL");
1118
1119         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1120                 int_16_field = bt_ctf_field_sequence_get_field(
1121                         a_sequence_field, i);
1122                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1123                 bt_put(int_16_field);
1124         }
1125
1126         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1127                 int_16_field = bt_ctf_field_array_get_field(
1128                         an_array_field, i);
1129                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1130                 bt_put(int_16_field);
1131         }
1132
1133         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1134         assert(stream_event_ctx_field);
1135         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1136                 stream_event_ctx_field, "common_event_context");
1137         BT_PUT(stream_event_ctx_field);
1138         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1139         BT_PUT(stream_event_ctx_int_field);
1140
1141         bt_ctf_clock_set_time(clock, ++current_time);
1142         ok(bt_ctf_stream_append_event(stream, event) == 0,
1143                 "Append a complex event to a stream");
1144
1145         /*
1146          * Populate the custom packet context field with a dummy value
1147          * otherwise flush will fail.
1148          */
1149         packet_context = bt_ctf_stream_get_packet_context(stream);
1150         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1151                 "custom_packet_context_field");
1152         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1153
1154         ok(bt_ctf_stream_flush(stream) == 0,
1155                 "Flush a stream containing a complex event");
1156
1157         bt_put(uint_35_field);
1158         bt_put(a_string_field);
1159         bt_put(inner_structure_field);
1160         bt_put(complex_structure_field);
1161         bt_put(a_sequence_field);
1162         bt_put(an_array_field);
1163         bt_put(enum_variant_field);
1164         bt_put(enum_container_field);
1165         bt_put(variant_field);
1166         bt_put(ret_field);
1167         bt_put(packet_context_field);
1168         bt_put(packet_context);
1169         bt_put(uint_35_type);
1170         bt_put(int_16_type);
1171         bt_put(string_type);
1172         bt_put(sequence_type);
1173         bt_put(array_type);
1174         bt_put(inner_structure_type);
1175         bt_put(complex_structure_type);
1176         bt_put(uint_3_type);
1177         bt_put(enum_variant_type);
1178         bt_put(variant_type);
1179         bt_put(ret_field_type);
1180         bt_put(event_class);
1181         bt_put(event);
1182 }
1183
1184 static
1185 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1186                 struct bt_ctf_field_type *expected_type, const char *name)
1187 {
1188         struct bt_ctf_field_type *copy_type;
1189
1190         copy_type = bt_ctf_field_get_type(field);
1191         ok(copy_type == expected_type,
1192                 "bt_ctf_field_copy does not copy the type (%s)", name);
1193         bt_put(copy_type);
1194 }
1195
1196 static
1197 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1198                 struct bt_ctf_field *field_b, const char *name)
1199 {
1200         ok(field_a != field_b,
1201                 "bt_ctf_field_copy creates different pointers (%s)", name);
1202 }
1203
1204 static
1205 void field_copy_tests()
1206 {
1207         struct bt_ctf_field_type *len_type = NULL;
1208         struct bt_ctf_field_type *fp_type = NULL;
1209         struct bt_ctf_field_type *s_type = NULL;
1210         struct bt_ctf_field_type *e_int_type = NULL;
1211         struct bt_ctf_field_type *e_type = NULL;
1212         struct bt_ctf_field_type *v_type = NULL;
1213         struct bt_ctf_field_type *v_label1_type = NULL;
1214         struct bt_ctf_field_type *v_label1_array_type = NULL;
1215         struct bt_ctf_field_type *v_label2_type = NULL;
1216         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1217         struct bt_ctf_field_type *strct_type = NULL;
1218         struct bt_ctf_field *len = NULL;
1219         struct bt_ctf_field *fp = NULL;
1220         struct bt_ctf_field *s = NULL;
1221         struct bt_ctf_field *e_int = NULL;
1222         struct bt_ctf_field *e = NULL;
1223         struct bt_ctf_field *v = NULL;
1224         struct bt_ctf_field *v_selected = NULL;
1225         struct bt_ctf_field *v_selected_cur = NULL;
1226         struct bt_ctf_field *v_selected_0 = NULL;
1227         struct bt_ctf_field *v_selected_1 = NULL;
1228         struct bt_ctf_field *v_selected_2 = NULL;
1229         struct bt_ctf_field *v_selected_3 = NULL;
1230         struct bt_ctf_field *v_selected_4 = NULL;
1231         struct bt_ctf_field *v_selected_5 = NULL;
1232         struct bt_ctf_field *v_selected_6 = NULL;
1233         struct bt_ctf_field *a = NULL;
1234         struct bt_ctf_field *a_0 = NULL;
1235         struct bt_ctf_field *a_1 = NULL;
1236         struct bt_ctf_field *a_2 = NULL;
1237         struct bt_ctf_field *a_3 = NULL;
1238         struct bt_ctf_field *a_4 = NULL;
1239         struct bt_ctf_field *strct = NULL;
1240         struct bt_ctf_field *len_copy = NULL;
1241         struct bt_ctf_field *fp_copy = NULL;
1242         struct bt_ctf_field *s_copy = NULL;
1243         struct bt_ctf_field *e_int_copy = NULL;
1244         struct bt_ctf_field *e_copy = NULL;
1245         struct bt_ctf_field *v_copy = NULL;
1246         struct bt_ctf_field *v_selected_copy = NULL;
1247         struct bt_ctf_field *v_selected_copy_len = NULL;
1248         struct bt_ctf_field *v_selected_0_copy = NULL;
1249         struct bt_ctf_field *v_selected_1_copy = NULL;
1250         struct bt_ctf_field *v_selected_2_copy = NULL;
1251         struct bt_ctf_field *v_selected_3_copy = NULL;
1252         struct bt_ctf_field *v_selected_4_copy = NULL;
1253         struct bt_ctf_field *v_selected_5_copy = NULL;
1254         struct bt_ctf_field *v_selected_6_copy = NULL;
1255         struct bt_ctf_field *a_copy = NULL;
1256         struct bt_ctf_field *a_0_copy = NULL;
1257         struct bt_ctf_field *a_1_copy = NULL;
1258         struct bt_ctf_field *a_2_copy = NULL;
1259         struct bt_ctf_field *a_3_copy = NULL;
1260         struct bt_ctf_field *a_4_copy = NULL;
1261         struct bt_ctf_field *strct_copy = NULL;
1262         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1263         uint64_t uint64_t_val;
1264         const char *str_val;
1265         double double_val;
1266         int ret;
1267
1268         /* create len type */
1269         len_type = bt_ctf_field_type_integer_create(32);
1270         assert(len_type);
1271
1272         /* create fp type */
1273         fp_type = bt_ctf_field_type_floating_point_create();
1274         assert(fp_type);
1275
1276         /* create s type */
1277         s_type = bt_ctf_field_type_string_create();
1278         assert(s_type);
1279
1280         /* create e_int type */
1281         e_int_type = bt_ctf_field_type_integer_create(8);
1282         assert(e_int_type);
1283
1284         /* create e type */
1285         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1286         assert(e_type);
1287         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1288                 10, 15);
1289         assert(!ret);
1290         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1291                 23, 23);
1292         assert(!ret);
1293
1294         /* create v_label1 type */
1295         v_label1_type = bt_ctf_field_type_string_create();
1296         assert(v_label1_type);
1297
1298         /* create v_label1_array type */
1299         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1300         assert(v_label1_array_type);
1301
1302         /* create v_label2 type */
1303         v_label2_type = bt_ctf_field_type_integer_create(16);
1304         assert(v_label2_type);
1305
1306         /* create v_label2_seq type */
1307         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1308                 "len");
1309         assert(v_label2_seq_type);
1310
1311         /* create v type */
1312         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1313         assert(v_type);
1314         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1315                 "LABEL1");
1316         assert(!ret);
1317         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1318                 "LABEL2");
1319         assert(!ret);
1320
1321         /* create strct type */
1322         strct_type = bt_ctf_field_type_structure_create();
1323         assert(strct_type);
1324         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1325                 "len");
1326         assert(!ret);
1327         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1328         assert(!ret);
1329         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1330         assert(!ret);
1331         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1332         assert(!ret);
1333         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1334         assert(!ret);
1335         ret = bt_ctf_field_type_structure_add_field(strct_type,
1336                 v_label1_array_type, "a");
1337         assert(!ret);
1338
1339         /* create strct */
1340         strct = bt_ctf_field_create(strct_type);
1341         assert(strct);
1342
1343         /* get len field */
1344         len = bt_ctf_field_structure_get_field(strct, "len");
1345         assert(len);
1346
1347         /* get fp field */
1348         fp = bt_ctf_field_structure_get_field(strct, "fp");
1349         assert(fp);
1350
1351         /* get s field */
1352         s = bt_ctf_field_structure_get_field(strct, "s");
1353         assert(s);
1354
1355         /* get e field */
1356         e = bt_ctf_field_structure_get_field(strct, "e");
1357         assert(e);
1358
1359         /* get e_int (underlying integer) */
1360         e_int = bt_ctf_field_enumeration_get_container(e);
1361         assert(e_int);
1362
1363         /* get v field */
1364         v = bt_ctf_field_structure_get_field(strct, "v");
1365         assert(v);
1366
1367         /* get a field */
1368         a = bt_ctf_field_structure_get_field(strct, "a");
1369         assert(a);
1370
1371         /* set len field */
1372         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1373         assert(!ret);
1374
1375         /* set fp field */
1376         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1377         assert(!ret);
1378
1379         /* set s field */
1380         ret = bt_ctf_field_string_set_value(s, "btbt");
1381         assert(!ret);
1382
1383         /* set e field (LABEL2) */
1384         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1385         assert(!ret);
1386
1387         /* set v field */
1388         v_selected = bt_ctf_field_variant_get_field(v, e);
1389         assert(v_selected);
1390         ok(!bt_ctf_field_variant_get_current_field(NULL),
1391                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1392         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1393         ok(v_selected_cur == v_selected,
1394                 "bt_ctf_field_variant_get_current_field returns the current field");
1395         bt_put(v_selected_cur);
1396
1397         /* set selected v field */
1398         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1399         assert(!ret);
1400         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1401         assert(v_selected_0);
1402         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1403         assert(!ret);
1404         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1405         assert(v_selected_1);
1406         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1407         assert(!ret);
1408         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1409         assert(v_selected_2);
1410         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1411         assert(!ret);
1412         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1413         assert(v_selected_3);
1414         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1415         assert(!ret);
1416         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1417         assert(v_selected_4);
1418         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1419         assert(!ret);
1420         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1421         assert(v_selected_5);
1422         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1423         assert(!ret);
1424         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1425         assert(v_selected_6);
1426         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1427         assert(!ret);
1428
1429         /* set a field */
1430         a_0 = bt_ctf_field_array_get_field(a, 0);
1431         assert(a_0);
1432         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1433         assert(!ret);
1434         a_1 = bt_ctf_field_array_get_field(a, 1);
1435         assert(a_1);
1436         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1437         assert(!ret);
1438         a_2 = bt_ctf_field_array_get_field(a, 2);
1439         assert(a_2);
1440         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1441         assert(!ret);
1442         a_3 = bt_ctf_field_array_get_field(a, 3);
1443         assert(a_3);
1444         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1445         assert(!ret);
1446         a_4 = bt_ctf_field_array_get_field(a, 4);
1447         assert(a_4);
1448         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1449         assert(!ret);
1450
1451         /* create copy of strct */
1452         ok(!bt_ctf_field_copy(NULL),
1453                 "bt_ctf_field_copy handles NULL correctly");
1454         strct_copy = bt_ctf_field_copy(strct);
1455         ok(strct_copy,
1456                 "bt_ctf_field_copy returns a valid pointer");
1457
1458         /* get all copied fields */
1459         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1460         assert(len_copy);
1461         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1462         assert(fp_copy);
1463         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1464         assert(s_copy);
1465         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1466         assert(e_copy);
1467         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1468         assert(e_int_copy);
1469         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1470         assert(v_copy);
1471         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1472         assert(v_selected_copy);
1473         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1474         assert(v_selected_0_copy);
1475         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1476         assert(v_selected_1_copy);
1477         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1478         assert(v_selected_2_copy);
1479         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1480         assert(v_selected_3_copy);
1481         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1482         assert(v_selected_4_copy);
1483         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1484         assert(v_selected_5_copy);
1485         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1486         assert(v_selected_6_copy);
1487         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1488                 "sequence field copy is not too large");
1489         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1490         assert(a_copy);
1491         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1492         assert(a_0_copy);
1493         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1494         assert(a_1_copy);
1495         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1496         assert(a_2_copy);
1497         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1498         assert(a_3_copy);
1499         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1500         assert(a_4_copy);
1501         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1502                 "array field copy is not too large");
1503
1504         /* make sure copied fields are different pointers */
1505         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1506         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1507         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1508         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1509         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1510         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1511         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1512         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1513                 "v_selected");
1514         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1515                 "v_selected_0");
1516         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1517                 "v_selected_1");
1518         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1519                 "v_selected_2");
1520         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1521                 "v_selected_3");
1522         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1523                 "v_selected_4");
1524         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1525                 "v_selected_5");
1526         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1527                 "v_selected_6");
1528         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1529         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1530         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1531         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1532         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1533         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1534
1535         /* make sure copied fields share the same types */
1536         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1537         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1538         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1539         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1540         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1541         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1542         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1543                 "v_selected");
1544         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1545                 "v_selected_0");
1546         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1547                 "v_selected_1");
1548         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1549                 "v_selected_2");
1550         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1551                 "v_selected_3");
1552         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1553                 "v_selected_4");
1554         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1555                 "v_selected_5");
1556         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1557                 "v_selected_6");
1558         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1559         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1560         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1561         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1562         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1563         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1564
1565         /* validate len copy */
1566         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1567         assert(!ret);
1568         ok(uint64_t_val == 7,
1569                 "bt_ctf_field_copy creates a valid integer field copy");
1570
1571         /* validate fp copy */
1572         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1573         assert(!ret);
1574         ok(double_val == 3.14,
1575                 "bt_ctf_field_copy creates a valid floating point number field copy");
1576
1577         /* validate s copy */
1578         str_val = bt_ctf_field_string_get_value(s_copy);
1579         ok(str_val && !strcmp(str_val, "btbt"),
1580                 "bt_ctf_field_copy creates a valid string field copy");
1581
1582         /* validate e_int copy */
1583         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1584                 &uint64_t_val);
1585         assert(!ret);
1586         ok(uint64_t_val == 23,
1587                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1588
1589         /* validate e copy */
1590         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1591         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1592                 &str_val, NULL, NULL);
1593         ok(str_val && !strcmp(str_val, "LABEL2"),
1594                 "bt_ctf_field_copy creates a valid enum field copy");
1595
1596         /* validate v_selected copy */
1597         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1598         assert(v_selected_copy_len);
1599         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1600                 &uint64_t_val);
1601         assert(!ret);
1602         ok(uint64_t_val == 7,
1603                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1604         bt_put(v_selected_copy_len);
1605         v_selected_copy_len = NULL;
1606
1607         /* validate v_selected copy fields */
1608         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1609                 &uint64_t_val);
1610         assert(!ret);
1611         ok(uint64_t_val == 7,
1612                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1613         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1614                 &uint64_t_val);
1615         assert(!ret);
1616         ok(uint64_t_val == 6,
1617                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1618         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1619                 &uint64_t_val);
1620         assert(!ret);
1621         ok(uint64_t_val == 5,
1622                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1623         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1624                 &uint64_t_val);
1625         assert(!ret);
1626         ok(uint64_t_val == 4,
1627                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1628         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1629                 &uint64_t_val);
1630         assert(!ret);
1631         ok(uint64_t_val == 3,
1632                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1633         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1634                 &uint64_t_val);
1635         assert(!ret);
1636         ok(uint64_t_val == 2,
1637                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1638         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1639                 &uint64_t_val);
1640         assert(!ret);
1641         ok(uint64_t_val == 1,
1642                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1643
1644         /* validate a copy fields */
1645         str_val = bt_ctf_field_string_get_value(a_0_copy);
1646         ok(str_val && !strcmp(str_val, "a_0"),
1647                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1648         str_val = bt_ctf_field_string_get_value(a_1_copy);
1649         ok(str_val && !strcmp(str_val, "a_1"),
1650                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1651         str_val = bt_ctf_field_string_get_value(a_2_copy);
1652         ok(str_val && !strcmp(str_val, "a_2"),
1653                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1654         str_val = bt_ctf_field_string_get_value(a_3_copy);
1655         ok(str_val && !strcmp(str_val, "a_3"),
1656                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1657         str_val = bt_ctf_field_string_get_value(a_4_copy);
1658         ok(str_val && !strcmp(str_val, "a_4"),
1659                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1660
1661         /* put everything */
1662         bt_put(len_type);
1663         bt_put(fp_type);
1664         bt_put(s_type);
1665         bt_put(e_int_type);
1666         bt_put(e_type);
1667         bt_put(v_type);
1668         bt_put(v_label1_type);
1669         bt_put(v_label1_array_type);
1670         bt_put(v_label2_type);
1671         bt_put(v_label2_seq_type);
1672         bt_put(strct_type);
1673         bt_put(len);
1674         bt_put(fp);
1675         bt_put(s);
1676         bt_put(e_int);
1677         bt_put(e);
1678         bt_put(v);
1679         bt_put(v_selected);
1680         bt_put(v_selected_0);
1681         bt_put(v_selected_1);
1682         bt_put(v_selected_2);
1683         bt_put(v_selected_3);
1684         bt_put(v_selected_4);
1685         bt_put(v_selected_5);
1686         bt_put(v_selected_6);
1687         bt_put(a);
1688         bt_put(a_0);
1689         bt_put(a_1);
1690         bt_put(a_2);
1691         bt_put(a_3);
1692         bt_put(a_4);
1693         bt_put(strct);
1694         bt_put(len_copy);
1695         bt_put(fp_copy);
1696         bt_put(s_copy);
1697         bt_put(e_int_copy);
1698         bt_put(e_copy);
1699         bt_put(v_copy);
1700         bt_put(v_selected_copy);
1701         bt_put(v_selected_0_copy);
1702         bt_put(v_selected_1_copy);
1703         bt_put(v_selected_2_copy);
1704         bt_put(v_selected_3_copy);
1705         bt_put(v_selected_4_copy);
1706         bt_put(v_selected_5_copy);
1707         bt_put(v_selected_6_copy);
1708         bt_put(a_copy);
1709         bt_put(a_0_copy);
1710         bt_put(a_1_copy);
1711         bt_put(a_2_copy);
1712         bt_put(a_3_copy);
1713         bt_put(a_4_copy);
1714         bt_put(strct_copy);
1715         bt_put(e_iter);
1716 }
1717
1718 static
1719 void type_field_tests()
1720 {
1721         struct bt_ctf_field *uint_12;
1722         struct bt_ctf_field *int_16;
1723         struct bt_ctf_field *string;
1724         struct bt_ctf_field *enumeration;
1725         struct bt_ctf_field_type *composite_structure_type;
1726         struct bt_ctf_field_type *structure_seq_type;
1727         struct bt_ctf_field_type *string_type;
1728         struct bt_ctf_field_type *sequence_type;
1729         struct bt_ctf_field_type *uint_8_type;
1730         struct bt_ctf_field_type *int_16_type;
1731         struct bt_ctf_field_type *uint_12_type =
1732                 bt_ctf_field_type_integer_create(12);
1733         struct bt_ctf_field_type *enumeration_type;
1734         struct bt_ctf_field_type *returned_type;
1735         const char *ret_string;
1736
1737         returned_type = bt_ctf_field_get_type(NULL);
1738         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1739
1740         ok(uint_12_type, "Create an unsigned integer type");
1741         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1742                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1743                 "Set integer type's base as binary");
1744         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1745                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1746                 "Set integer type's base as decimal");
1747         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1748                 BT_CTF_INTEGER_BASE_UNKNOWN),
1749                 "Reject integer type's base set as unknown");
1750         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1751                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1752                 "Set integer type's base as octal");
1753         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1754                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1755                 "Set integer type's base as hexadecimal");
1756         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1757                 "Reject unknown integer base value");
1758         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1759                 "Set integer type signedness to signed");
1760         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1761                 "Set integer type signedness to unsigned");
1762         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1763                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1764         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1765                 "bt_ctf_field_type_integer_get_size returns a correct value");
1766         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1767                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1768         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1769                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1770
1771         ok(bt_ctf_field_type_set_byte_order(NULL,
1772                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1773                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1774         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1775                 (enum bt_ctf_byte_order) 42) < 0,
1776                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1777         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1778                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1779                 "Set an integer's byte order to little endian");
1780         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1781                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1782                 "Set an integer's byte order to big endian");
1783         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1784                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1785                 "bt_ctf_field_type_get_byte_order returns a correct value");
1786         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1787                 BT_CTF_BYTE_ORDER_UNKNOWN,
1788                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1789
1790         ok(bt_ctf_field_type_get_type_id(NULL) ==
1791                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1792                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1793         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1794                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1795                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1796
1797         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1798                 BT_CTF_INTEGER_BASE_UNKNOWN,
1799                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1800         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1801                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1802                 "bt_ctf_field_type_integer_get_base returns a correct value");
1803
1804         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1805                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1806                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1807         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1808                 (enum bt_ctf_string_encoding) 123) < 0,
1809                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1810         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1811                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1812                 "Set integer type encoding to UTF8");
1813         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1814                 BT_CTF_STRING_ENCODING_UNKNOWN,
1815                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1816         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1817                 BT_CTF_STRING_ENCODING_UTF8,
1818                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1819
1820         int_16_type = bt_ctf_field_type_integer_create(16);
1821         assert(int_16_type);
1822         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1823                 "Set signedness of 16 bit integer to true");
1824         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1825                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1826         uint_8_type = bt_ctf_field_type_integer_create(8);
1827         sequence_type =
1828                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1829         ok(sequence_type, "Create a sequence of int16_t type");
1830         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1831                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1832                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1833
1834         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1835                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1836         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1837                 sequence_type);
1838         ok(!strcmp(ret_string, "seq_len"),
1839                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1840         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1841                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1842         returned_type = bt_ctf_field_type_sequence_get_element_type(
1843                 sequence_type);
1844         ok(returned_type == int_16_type,
1845                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1846         bt_put(returned_type);
1847
1848         string_type = bt_ctf_field_type_string_create();
1849         ok(string_type, "Create a string type");
1850         ok(bt_ctf_field_type_string_set_encoding(string_type,
1851                 BT_CTF_STRING_ENCODING_NONE),
1852                 "Reject invalid \"None\" string encoding");
1853         ok(bt_ctf_field_type_string_set_encoding(string_type,
1854                 42),
1855                 "Reject invalid string encoding");
1856         ok(bt_ctf_field_type_string_set_encoding(string_type,
1857                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1858                 "Set string encoding to ASCII");
1859
1860         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1861                 BT_CTF_STRING_ENCODING_UNKNOWN,
1862                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1863         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1864                 BT_CTF_STRING_ENCODING_ASCII,
1865                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1866
1867         structure_seq_type = bt_ctf_field_type_structure_create();
1868         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1869                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1870                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1871         ok(structure_seq_type, "Create a structure type");
1872         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1873                 uint_8_type, "seq_len") == 0,
1874                 "Add a uint8_t type to a structure");
1875         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1876                 sequence_type, "a_sequence") == 0,
1877                 "Add a sequence type to a structure");
1878
1879         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1880                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1881         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1882                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1883
1884         ok(bt_ctf_field_type_structure_get_field(NULL,
1885                 &ret_string, &returned_type, 1) < 0,
1886                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1887         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1888                 NULL, &returned_type, 1) == 0,
1889                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1890         bt_put(returned_type);
1891         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1892                 &ret_string, NULL, 1) == 0,
1893                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1894         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1895                 &ret_string, &returned_type, 10) < 0,
1896                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1897         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1898                 &ret_string, &returned_type, 1) == 0,
1899                 "bt_ctf_field_type_structure_get_field returns a field");
1900         ok(!strcmp(ret_string, "a_sequence"),
1901                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1902         ok(returned_type == sequence_type,
1903                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1904         bt_put(returned_type);
1905
1906         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1907                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1908         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1909                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1910         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1911                 structure_seq_type, "a_sequence");
1912         ok(returned_type == sequence_type,
1913                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1914         bt_put(returned_type);
1915
1916         composite_structure_type = bt_ctf_field_type_structure_create();
1917         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1918                 string_type, "a_string") == 0,
1919                 "Add a string type to a structure");
1920         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1921                 structure_seq_type, "inner_structure") == 0,
1922                 "Add a structure type to a structure");
1923
1924         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1925                 NULL, "a_sequence") == NULL,
1926                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1927         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1928                 structure_seq_type, NULL) == NULL,
1929                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1930         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1931                 structure_seq_type, "a_sequence");
1932         ok(returned_type == sequence_type,
1933                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1934         bt_put(returned_type);
1935
1936         int_16 = bt_ctf_field_create(int_16_type);
1937         ok(int_16, "Instanciate a signed 16-bit integer");
1938         uint_12 = bt_ctf_field_create(uint_12_type);
1939         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1940         returned_type = bt_ctf_field_get_type(int_16);
1941         ok(returned_type == int_16_type,
1942                 "bt_ctf_field_get_type returns the correct type");
1943
1944         /* Can't modify types after instanciating them */
1945         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1946                 BT_CTF_INTEGER_BASE_DECIMAL),
1947                 "Check an integer type' base can't be modified after instanciation");
1948         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1949                 "Check an integer type's signedness can't be modified after instanciation");
1950
1951         /* Check signed property is checked */
1952         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1953                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1954         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1955                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1956
1957         /* Check overflows are properly tested for */
1958         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1959                 "Check -32768 is allowed for a signed 16-bit integer");
1960         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1961                 "Check 32767 is allowed for a signed 16-bit integer");
1962         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1963                 "Check 32768 is not allowed for a signed 16-bit integer");
1964         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1965                 "Check -32769 is not allowed for a signed 16-bit integer");
1966         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1967                 "Check -42 is allowed for a signed 16-bit integer");
1968
1969         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1970                 "Check 4095 is allowed for an unsigned 12-bit integer");
1971         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1972                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1973         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1974                 "Check 0 is allowed for an unsigned 12-bit integer");
1975
1976         string = bt_ctf_field_create(string_type);
1977         ok(string, "Instanciate a string field");
1978         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1979                 "Set a string's value");
1980
1981         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1982         ok(enumeration_type,
1983                 "Create an enumeration type with an unsigned 12-bit integer as container");
1984         enumeration = bt_ctf_field_create(enumeration_type);
1985         ok(!enumeration,
1986                 "Check enumeration types are validated before instantiation");
1987
1988         bt_put(string);
1989         bt_put(uint_12);
1990         bt_put(int_16);
1991         bt_put(enumeration);
1992         bt_put(composite_structure_type);
1993         bt_put(structure_seq_type);
1994         bt_put(string_type);
1995         bt_put(sequence_type);
1996         bt_put(uint_8_type);
1997         bt_put(int_16_type);
1998         bt_put(uint_12_type);
1999         bt_put(enumeration_type);
2000         bt_put(returned_type);
2001 }
2002
2003 static
2004 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2005                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2006 {
2007         /*
2008          * Append enough events to force the underlying packet to be resized.
2009          * Also tests that a new event can be declared after a stream has been
2010          * instantiated and used/flushed.
2011          */
2012         int ret = 0;
2013         int i;
2014         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2015                 "Spammy_Event");
2016         struct bt_ctf_field_type *integer_type =
2017                 bt_ctf_field_type_integer_create(17);
2018         struct bt_ctf_field_type *string_type =
2019                 bt_ctf_field_type_string_create();
2020         struct bt_ctf_event *event = NULL;
2021         struct bt_ctf_field *ret_field = NULL;
2022         struct bt_ctf_field_type *ret_field_type = NULL;
2023         uint64_t ret_uint64;
2024         int events_appended = 0;
2025         struct bt_ctf_field *packet_context = NULL,
2026                 *packet_context_field = NULL, *stream_event_context = NULL;
2027         struct bt_ctf_field_type *ep_field_1_type = NULL;
2028         struct bt_ctf_field_type *ep_a_string_type = NULL;
2029         struct bt_ctf_field_type *ep_type = NULL;
2030
2031         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2032                 "field_1");
2033         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2034                 "a_string");
2035         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2036         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2037         if (ret) {
2038                 goto end;
2039         }
2040
2041         /*
2042          * bt_ctf_stream_class_add_event_class() copies the field types
2043          * of event_class, so we retrieve the new ones to create the
2044          * appropriate fields.
2045          */
2046         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2047         assert(ep_type);
2048         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2049                 ep_type, "field_1");
2050         assert(ep_field_1_type);
2051         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2052                 ep_type, "a_string");
2053         assert(ep_a_string_type);
2054
2055         event = bt_ctf_event_create(event_class);
2056         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2057         ret_field_type = bt_ctf_field_get_type(ret_field);
2058         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2059                 "bt_ctf_event_get_payload_by_index returns a correct field");
2060         bt_put(ret_field_type);
2061         bt_put(ret_field);
2062
2063         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2064                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2065         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2066                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2067         bt_put(event);
2068
2069         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2070                 event = bt_ctf_event_create(event_class);
2071                 struct bt_ctf_field *integer =
2072                         bt_ctf_field_create(ep_field_1_type);
2073                 struct bt_ctf_field *string =
2074                         bt_ctf_field_create(ep_a_string_type);
2075
2076                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2077                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2078                 ret |= bt_ctf_event_set_payload(event, "field_1",
2079                         integer);
2080                 bt_put(integer);
2081                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2082                 ret |= bt_ctf_event_set_payload(event, "a_string",
2083                         string);
2084                 bt_put(string);
2085
2086                 /* Populate stream event context */
2087                 stream_event_context =
2088                         bt_ctf_event_get_stream_event_context(event);
2089                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2090                         "common_event_context");
2091                 BT_PUT(stream_event_context);
2092                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2093                         i % 42);
2094                 bt_put(integer);
2095
2096                 ret |= bt_ctf_stream_append_event(stream, event);
2097                 bt_put(event);
2098
2099                 if (ret) {
2100                         break;
2101                 }
2102         }
2103
2104         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2105         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2106                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2107         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2108                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2109         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2110         ok(ret == 0 && ret_uint64 == 0,
2111                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2112         bt_ctf_stream_append_discarded_events(stream, 1000);
2113         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2114         ok(ret == 0 && ret_uint64 == 1000,
2115                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2116
2117 end:
2118         ok(events_appended, "Append 100 000 events to a stream");
2119
2120         /*
2121          * Populate the custom packet context field with a dummy value
2122          * otherwise flush will fail.
2123          */
2124         packet_context = bt_ctf_stream_get_packet_context(stream);
2125         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2126                 "custom_packet_context_field");
2127         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2128
2129         ok(bt_ctf_stream_flush(stream) == 0,
2130                 "Flush a stream that forces a packet resize");
2131         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2132         ok(ret == 0 && ret_uint64 == 1000,
2133                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2134         bt_put(integer_type);
2135         bt_put(string_type);
2136         bt_put(packet_context);
2137         bt_put(packet_context_field);
2138         bt_put(stream_event_context);
2139         bt_put(event_class);
2140         bt_put(ep_field_1_type);
2141         bt_put(ep_a_string_type);
2142         bt_put(ep_type);
2143 }
2144
2145 static
2146 void test_empty_stream(struct bt_ctf_writer *writer)
2147 {
2148         int ret = 0;
2149         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2150         struct bt_ctf_stream_class *stream_class = NULL;
2151         struct bt_ctf_stream *stream = NULL;
2152
2153         trace = bt_ctf_writer_get_trace(writer);
2154         if (!trace) {
2155                 diag("Failed to get trace from writer");
2156                 ret = -1;
2157                 goto end;
2158         }
2159
2160         stream_class = bt_ctf_stream_class_create("empty_stream");
2161         if (!stream_class) {
2162                 diag("Failed to create stream class");
2163                 ret = -1;
2164                 goto end;
2165         }
2166
2167         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2168         assert(ret == 0);
2169         ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL);
2170         assert(ret == 0);
2171
2172         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2173                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2174         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2175                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2176
2177         stream = bt_ctf_writer_create_stream(writer, stream_class);
2178         if (!stream) {
2179                 diag("Failed to create writer stream");
2180                 ret = -1;
2181                 goto end;
2182         }
2183
2184         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2185         ok(ret_trace == trace,
2186                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2187 end:
2188         ok(ret == 0,
2189                 "Created a stream class with default attributes and an empty stream");
2190         bt_put(trace);
2191         bt_put(ret_trace);
2192         bt_put(stream);
2193         bt_put(stream_class);
2194 }
2195
2196 static
2197 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2198                         struct bt_ctf_clock *clock)
2199 {
2200         int i, ret;
2201         struct bt_ctf_stream_class *stream_class = NULL;
2202         struct bt_ctf_stream *stream = NULL;
2203         struct bt_ctf_field_type *integer_type = NULL,
2204                 *sequence_type = NULL, *event_header_type = NULL;
2205         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2206                 *event_header = NULL, *packet_header = NULL;
2207         struct bt_ctf_event_class *event_class = NULL;
2208         struct bt_ctf_event *event = NULL;
2209
2210         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2211         if (!stream_class) {
2212                 fail("Failed to create stream class");
2213                 goto end;
2214         }
2215
2216         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2217         if (ret) {
2218                 fail("Failed to set stream class clock");
2219                 goto end;
2220         }
2221
2222         /*
2223          * Customize event header to add an "seq_len" integer member
2224          * which will be used as the length of a sequence in an event of this
2225          * stream.
2226          */
2227         event_header_type = bt_ctf_stream_class_get_event_header_type(
2228                 stream_class);
2229         if (!event_header_type) {
2230                 fail("Failed to get event header type");
2231                 goto end;
2232         }
2233
2234         integer_type = bt_ctf_field_type_integer_create(13);
2235         if (!integer_type) {
2236                 fail("Failed to create length integer type");
2237                 goto end;
2238         }
2239
2240         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2241                 integer_type, "seq_len");
2242         if (ret) {
2243                 fail("Failed to add a new field to stream event header");
2244                 goto end;
2245         }
2246
2247         event_class = bt_ctf_event_class_create("sequence_event");
2248         if (!event_class) {
2249                 fail("Failed to create event class");
2250                 goto end;
2251         }
2252
2253         /*
2254          * This event's payload will contain a sequence which references
2255          * stream.event.header.seq_len as its length field.
2256          */
2257         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2258                 "stream.event.header.seq_len");
2259         if (!sequence_type) {
2260                 fail("Failed to create a sequence");
2261                 goto end;
2262         }
2263
2264         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2265                 "some_sequence");
2266         if (ret) {
2267                 fail("Failed to add a sequence to an event class");
2268                 goto end;
2269         }
2270
2271         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2272         if (ret) {
2273                 fail("Failed to add event class to stream class");
2274                 goto end;
2275         }
2276
2277         stream = bt_ctf_writer_create_stream(writer, stream_class);
2278         if (!stream) {
2279                 fail("Failed to create stream")
2280                 goto end;
2281         }
2282
2283         /*
2284          * We have defined a custom packet header field. We have to populate it
2285          * explicitly.
2286          */
2287         packet_header = bt_ctf_stream_get_packet_header(stream);
2288         if (!packet_header) {
2289                 fail("Failed to get stream packet header");
2290                 goto end;
2291         }
2292
2293         integer = bt_ctf_field_structure_get_field(packet_header,
2294                 "custom_trace_packet_header_field");
2295         if (!integer) {
2296                 fail("Failed to retrieve custom_trace_packet_header_field");
2297                 goto end;
2298         }
2299
2300         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2301         if (ret) {
2302                 fail("Failed to set custom_trace_packet_header_field value");
2303                 goto end;
2304         }
2305         bt_put(integer);
2306
2307         event = bt_ctf_event_create(event_class);
2308         if (!event) {
2309                 fail("Failed to create event");
2310                 goto end;
2311         }
2312
2313         event_header = bt_ctf_event_get_header(event);
2314         if (!event_header) {
2315                 fail("Failed to get event header");
2316                 goto end;
2317         }
2318
2319         integer = bt_ctf_field_structure_get_field(event_header,
2320                 "seq_len");
2321         if (!integer) {
2322                 fail("Failed to get seq_len field from event header");
2323                 goto end;
2324         }
2325
2326         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2327         if (ret) {
2328                 fail("Failed to set seq_len value in event header");
2329                 goto end;
2330         }
2331
2332         /* Populate both sequence integer fields */
2333         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2334         if (!sequence) {
2335                 fail("Failed to retrieve sequence from event");
2336                 goto end;
2337         }
2338
2339         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2340         if (ret) {
2341                 fail("Failed to set sequence length");
2342                 goto end;
2343         }
2344         bt_put(integer);
2345
2346         for (i = 0; i < 2; i++) {
2347                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2348                 if (ret) {
2349                         fail("Failed to retrieve sequence element");
2350                         goto end;
2351                 }
2352
2353                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2354                 if (ret) {
2355                         fail("Failed to set sequence element value");
2356                         goto end;
2357                 }
2358
2359                 bt_put(integer);
2360                 integer = NULL;
2361         }
2362
2363         ret = bt_ctf_stream_append_event(stream, event);
2364         if (ret) {
2365                 fail("Failed to append event to stream");
2366                 goto end;
2367         }
2368
2369         ret = bt_ctf_stream_flush(stream);
2370         if (ret) {
2371                 fail("Failed to flush custom_event_header stream");
2372         }
2373 end:
2374         bt_put(stream);
2375         bt_put(stream_class);
2376         bt_put(event_class);
2377         bt_put(event);
2378         bt_put(integer);
2379         bt_put(sequence);
2380         bt_put(event_header);
2381         bt_put(packet_header);
2382         bt_put(sequence_type);
2383         bt_put(integer_type);
2384         bt_put(event_header_type);
2385 }
2386
2387 static
2388 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2389                 struct bt_ctf_clock *clock)
2390 {
2391         int ret = 0;
2392         struct bt_ctf_stream_class *stream_class = NULL;
2393         struct bt_ctf_stream *stream = NULL,
2394                 *ret_stream = NULL;
2395         struct bt_ctf_event_class *event_class = NULL;
2396         struct bt_ctf_event *event = NULL;
2397         struct bt_ctf_field_type *integer_type = NULL;
2398         struct bt_ctf_field *integer = NULL;
2399
2400         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2401         if (!stream_class) {
2402                 diag("Failed to create stream class");
2403                 ret = -1;
2404                 goto end;
2405         }
2406
2407         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2408         if (ret) {
2409                 diag("Failed to set stream class clock");
2410                 goto end;
2411         }
2412
2413         event_class = bt_ctf_event_class_create("some_event_class_name");
2414         integer_type = bt_ctf_field_type_integer_create(32);
2415         if (!integer_type) {
2416                 diag("Failed to create integer field type");
2417                 ret = -1;
2418                 goto end;
2419         }
2420
2421         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2422                 "integer_field");
2423         if (ret) {
2424                 diag("Failed to add field to event class");
2425                 goto end;
2426         }
2427
2428         ret = bt_ctf_stream_class_add_event_class(stream_class,
2429                 event_class);
2430         if (ret) {
2431                 diag("Failed to add event class to stream class");
2432         }
2433
2434         event = bt_ctf_event_create(event_class);
2435         if (!event) {
2436                 diag("Failed to create event");
2437                 ret = -1;
2438                 goto end;
2439         }
2440
2441         integer = bt_ctf_event_get_payload_by_index(event, 0);
2442         if (!integer) {
2443                 diag("Failed to get integer field payload from event");
2444                 ret = -1;
2445                 goto end;
2446         }
2447
2448         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2449         if (ret) {
2450                 diag("Failed to set integer field value");
2451                 goto end;
2452         }
2453
2454         stream = bt_ctf_writer_create_stream(writer, stream_class);
2455         if (!stream) {
2456                 diag("Failed to create writer stream");
2457                 ret = -1;
2458                 goto end;
2459         }
2460
2461         ok(bt_ctf_event_get_stream(NULL) == NULL,
2462                 "bt_ctf_event_get_stream handles NULL correctly");
2463         ok(bt_ctf_event_get_stream(event) == NULL,
2464                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2465
2466         ret = bt_ctf_stream_append_event(stream, event);
2467         if (ret) {
2468                 diag("Failed to append event to stream");
2469                 goto end;
2470         }
2471
2472         ret_stream = bt_ctf_event_get_stream(event);
2473         ok(ret_stream == stream,
2474                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2475 end:
2476         ok(ret == 0,
2477                 "Create an event before instanciating its associated stream");
2478         bt_put(stream);
2479         bt_put(ret_stream);
2480         bt_put(stream_class);
2481         bt_put(event_class);
2482         bt_put(event);
2483         bt_put(integer_type);
2484         bt_put(integer);
2485 }
2486
2487 static
2488 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2489 {
2490         struct bt_ctf_event_class *event_class;
2491
2492         event_class = bt_ctf_event_class_create("Simple Event");
2493         assert(event_class);
2494         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2495                 "two event classes with the same name may cohabit within the same stream class");
2496         bt_put(event_class);
2497
2498         event_class = bt_ctf_event_class_create("different name, ok");
2499         assert(event_class);
2500         assert(!bt_ctf_event_class_set_id(event_class, 11));
2501         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2502                 "two event classes with the same ID cannot cohabit within the same stream class");
2503         bt_put(event_class);
2504 }
2505
2506 static
2507 struct bt_ctf_event_class *create_minimal_event_class(void)
2508 {
2509         struct bt_ctf_event_class *ec = NULL;
2510         struct bt_ctf_field_type *int_ft = NULL;
2511         int ret;
2512
2513         int_ft = bt_ctf_field_type_integer_create(23);
2514         assert(int_ft);
2515         ec = bt_ctf_event_class_create("minimal");
2516         assert(ec);
2517         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2518         assert(!ret);
2519         BT_PUT(int_ft);
2520
2521         return ec;
2522 }
2523
2524 static
2525 void test_create_writer_vs_non_writer_mode(void)
2526 {
2527         int ret;
2528         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2529         const char *writer_stream_name = "writer stream instance";
2530         struct bt_ctf_writer *writer = NULL;
2531         struct bt_ctf_trace *writer_trace = NULL;
2532         struct bt_ctf_stream_class *writer_sc = NULL;
2533         struct bt_ctf_stream *writer_stream = NULL;
2534         struct bt_ctf_stream *writer_stream2 = NULL;
2535         struct bt_ctf_stream *packet_stream = NULL;
2536         struct bt_ctf_trace *non_writer_trace = NULL;
2537         struct bt_ctf_stream_class *non_writer_sc = NULL;
2538         struct bt_ctf_stream *non_writer_stream = NULL;
2539         struct bt_ctf_stream *non_writer_stream2 = NULL;
2540         struct bt_ctf_event_class *writer_ec = NULL;
2541         struct bt_ctf_event_class *non_writer_ec = NULL;
2542         struct bt_ctf_event *event = NULL;
2543         struct bt_ctf_event *event2 = NULL;
2544         struct bt_ctf_field_type *empty_struct_ft = NULL;
2545         struct bt_ctf_field *int_field = NULL;
2546         struct bt_ctf_clock *writer_clock = NULL;
2547         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2548         struct bt_ctf_packet *packet = NULL;
2549         struct bt_ctf_packet *packet2 = NULL;
2550
2551         if (!bt_mkdtemp(trace_path)) {
2552                 perror("# perror");
2553         }
2554
2555         /* Create empty structure field type (event header) */
2556         empty_struct_ft = bt_ctf_field_type_structure_create();
2557         assert(empty_struct_ft);
2558
2559         /* Create writer, writer stream class, stream, and clock */
2560         writer = bt_ctf_writer_create(trace_path);
2561         assert(writer);
2562         writer_clock = bt_ctf_clock_create("writer_clock");
2563         assert(writer_clock);
2564         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2565         assert(!ret);
2566         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2567         assert(!ret);
2568         writer_trace = bt_ctf_writer_get_trace(writer);
2569         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2570         writer_sc = bt_ctf_stream_class_create("writer_sc");
2571         assert(writer_sc);
2572         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2573                 empty_struct_ft);
2574         assert(!ret);
2575         ret = bt_ctf_stream_class_set_clock(writer_sc, writer_clock);
2576         assert(!ret);
2577         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2578         assert(!ret);
2579         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2580         assert(writer_stream);
2581         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2582                 "bt_ctf_stream_get_name() returns the stream's name");
2583
2584         /* Create non-writer trace, stream class, stream, and clock */
2585         non_writer_trace = bt_ctf_trace_create();
2586         assert(non_writer_trace);
2587         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2588         assert(non_writer_sc);
2589         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2590                 empty_struct_ft);
2591         assert(!ret);
2592         ret = bt_ctf_stream_class_set_packet_context_type(non_writer_sc, NULL);
2593         assert(!ret);
2594         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2595         assert(!ret);
2596         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2597         assert(non_writer_stream);
2598         non_writer_clock_class =
2599                 bt_ctf_clock_class_create("non_writer_clock_class");
2600         assert(non_writer_clock_class);
2601         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2602                 non_writer_clock_class);
2603         assert(!ret);
2604
2605         /* Create event class and event */
2606         writer_ec = create_minimal_event_class();
2607         assert(writer_ec);
2608         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2609         assert(!ret);
2610         event = bt_ctf_event_create(writer_ec);
2611         assert(event);
2612         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2613         assert(int_field);
2614         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2615
2616         /*
2617          * Verify non-writer stream: it should be impossible to append
2618          * an event to it.
2619          */
2620         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2621                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2622
2623         /*
2624          * Verify writer stream: it should be possible to append an
2625          * event to it.
2626          */
2627         ok(!bt_ctf_stream_append_event(writer_stream, event),
2628                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2629
2630         /*
2631          * It should be possible to create a packet from a non-writer
2632          * stream, but not from a writer stream.
2633          */
2634         packet = bt_ctf_packet_create(writer_stream);
2635         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2636         packet = bt_ctf_packet_create(non_writer_stream);
2637         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2638         packet_stream = bt_ctf_packet_get_stream(packet);
2639         ok(packet_stream == non_writer_stream,
2640                 "bt_ctf_packet_get_stream() returns the correct stream");
2641
2642         /*
2643          * It should not be possible to append an event associated to
2644          * a stream to a different stream.
2645          */
2646         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2647         assert(writer_stream2);
2648         ok(bt_ctf_stream_append_event(writer_stream2, event),
2649                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2650
2651         /*
2652          * It should not be possible to set the packet of an event
2653          * associated to a given stream to a packet associated with
2654          * a different stream.
2655          */
2656         ok(bt_ctf_event_set_packet(event, packet),
2657                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2658
2659         /*
2660          * It should be possible to set the packet of a fresh event, as
2661          * long as the originating stream classes are the same.
2662          */
2663         event2 = bt_ctf_event_create(writer_ec);
2664         assert(event2);
2665         ok(bt_ctf_event_set_packet(event2, packet),
2666                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2667         non_writer_ec = create_minimal_event_class();
2668         assert(non_writer_ec);
2669         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2670         assert(!ret);
2671         BT_PUT(event2);
2672         event2 = bt_ctf_event_create(non_writer_ec);
2673         assert(event2);
2674         ok(!bt_ctf_event_set_packet(event2, packet),
2675                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2676
2677         /*
2678          * It should be possible to set a packet created from the same
2679          * stream to an event with an existing packet.
2680          */
2681         packet2 = bt_ctf_packet_create(non_writer_stream);
2682         assert(packet2);
2683         ok(!bt_ctf_event_set_packet(event2, packet2),
2684                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2685         BT_PUT(packet2);
2686
2687         /*
2688          * It should not be possible to set a packet created from a
2689          * different stream to an event with an existing packet.
2690          */
2691         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2692         assert(non_writer_stream2);
2693         packet2 = bt_ctf_packet_create(non_writer_stream);
2694         assert(packet2);
2695         ok(!bt_ctf_event_set_packet(event2, packet2),
2696                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2697
2698         bt_put(writer);
2699         bt_put(writer_trace);
2700         bt_put(writer_sc);
2701         bt_put(writer_stream);
2702         bt_put(writer_stream2);
2703         bt_put(non_writer_trace);
2704         bt_put(non_writer_sc);
2705         bt_put(non_writer_stream);
2706         bt_put(non_writer_stream2);
2707         bt_put(packet_stream);
2708         bt_put(writer_ec);
2709         bt_put(non_writer_ec);
2710         bt_put(event);
2711         bt_put(event2);
2712         bt_put(int_field);
2713         bt_put(empty_struct_ft);
2714         bt_put(writer_clock);
2715         bt_put(non_writer_clock_class);
2716         bt_put(packet);
2717         bt_put(packet2);
2718         recursive_rmdir(trace_path);
2719 }
2720
2721 static
2722 void test_clock_utils(void)
2723 {
2724         int ret;
2725         struct bt_ctf_clock *clock = NULL;
2726
2727         clock = bt_ctf_clock_create("water");
2728         assert(clock);
2729         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2730         assert(!ret);
2731         ret = bt_ctf_clock_set_offset(clock, 1000);
2732         assert(!ret);
2733         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2734         assert(!ret);
2735         ret = bt_ctf_clock_set_frequency(clock, 1534);
2736         assert(!ret);
2737
2738         BT_PUT(clock);
2739 }
2740
2741 void test_set_clock_non_writer_stream_class(void)
2742 {
2743         struct bt_ctf_clock *clock;
2744         struct bt_ctf_trace *trace;
2745         struct bt_ctf_stream_class *sc;
2746         int ret;
2747
2748         clock = bt_ctf_clock_create("the_clock");
2749         assert(clock);
2750
2751         trace = bt_ctf_trace_create();
2752         assert(trace);
2753
2754         sc = bt_ctf_stream_class_create(NULL);
2755         assert(sc);
2756
2757         ret = bt_ctf_stream_class_set_clock(sc, clock);
2758         assert(ret == 0);
2759
2760         ret = bt_ctf_trace_add_stream_class(trace, sc);
2761         ok(ret < 0,
2762                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2763
2764         bt_put(clock);
2765         bt_put(trace);
2766         bt_put(sc);
2767 }
2768
2769 static
2770 void test_static_trace(void)
2771 {
2772         struct bt_ctf_trace *trace;
2773         struct bt_ctf_stream_class *stream_class;
2774         struct bt_ctf_stream_class *stream_class2;
2775         struct bt_ctf_stream *stream;
2776         struct bt_ctf_clock_class *clock_class;
2777         int ret;
2778
2779         trace = bt_ctf_trace_create();
2780         assert(trace);
2781         stream_class = bt_ctf_stream_class_create(NULL);
2782         assert(stream_class);
2783         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2784         assert(ret == 0);
2785         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2786         assert(ret == 0);
2787         stream = bt_ctf_stream_create(stream_class, "hello");
2788         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2789         bt_put(stream);
2790         ok(!bt_ctf_trace_is_static(trace),
2791                 "bt_ctf_trace_is_static() returns the expected value");
2792         ok(bt_ctf_trace_set_is_static(trace) == 0,
2793                 "bt_ctf_trace_set_is_static() succeeds");
2794         ok(bt_ctf_trace_is_static(trace),
2795                 "bt_ctf_trace_is_static() returns the expected value");
2796         clock_class = bt_ctf_clock_class_create("yes");
2797         assert(clock_class);
2798         stream_class2 = bt_ctf_stream_class_create(NULL);
2799         assert(stream_class2);
2800         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2801                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2802         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2803                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2804         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2805                 "bt_ctf_stream_create() fails with a static trace");
2806
2807         bt_put(trace);
2808         bt_put(stream_class);
2809         bt_put(stream_class2);
2810         bt_put(clock_class);
2811 }
2812
2813 static
2814 void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
2815 {
2816         *((int *) data) = 1;
2817 }
2818
2819 static
2820 void test_trace_is_static_listener(void)
2821 {
2822         struct bt_ctf_trace *trace;
2823         int ret;
2824         int called1 = 0;
2825         int called2 = 0;
2826         int called3 = 0;
2827         int called4 = 0;
2828         int listener1_id;
2829         int listener2_id;
2830         int listener3_id;
2831         int listener4_id;
2832
2833         trace = bt_ctf_trace_create();
2834         assert(trace);
2835         ret = bt_ctf_trace_add_is_static_listener(NULL,
2836                 trace_is_static_listener, &called1);
2837         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (trace)");
2838         ret = bt_ctf_trace_add_is_static_listener(trace, NULL, &called1);
2839         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (listener)");
2840         listener1_id = bt_ctf_trace_add_is_static_listener(trace,
2841                 trace_is_static_listener, &called1);
2842         ok(listener1_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (1)");
2843         listener2_id = bt_ctf_trace_add_is_static_listener(trace,
2844                 trace_is_static_listener, &called2);
2845         ok(listener2_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (2)");
2846         listener3_id = bt_ctf_trace_add_is_static_listener(trace,
2847                 trace_is_static_listener, &called3);
2848         ok(listener3_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (3)");
2849         ret = bt_ctf_trace_remove_is_static_listener(NULL, 0);
2850         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles NULL (trace)");
2851         ret = bt_ctf_trace_remove_is_static_listener(trace, -2);
2852         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (negative)");
2853         ret = bt_ctf_trace_remove_is_static_listener(trace, 77);
2854         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (non existing)");
2855         ret = bt_ctf_trace_remove_is_static_listener(trace, listener2_id);
2856         ok(ret == 0, "bt_ctf_trace_remove_is_static_listener() succeeds");
2857         listener4_id = bt_ctf_trace_add_is_static_listener(trace,
2858                 trace_is_static_listener, &called4);
2859         ok(listener4_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (4)");
2860         ok(called1 == 0, "\"trace is static\" listener not called before the trace is made static (1)");
2861         ok(called2 == 0, "\"trace is static\" listener not called before the trace is made static (2)");
2862         ok(called3 == 0, "\"trace is static\" listener not called before the trace is made static (3)");
2863         ok(called4 == 0, "\"trace is static\" listener not called before the trace is made static (4)");
2864         ret = bt_ctf_trace_set_is_static(trace);
2865         assert(ret == 0);
2866         ret = bt_ctf_trace_add_is_static_listener(trace,
2867                 trace_is_static_listener, &called1);
2868         ok(ret < 0,
2869                 "bt_ctf_trace_add_is_static_listener() fails when the trace is static");
2870         ok(called1 == 1, "\"trace is static\" listener called when the trace is made static (1)");
2871         ok(called2 == 0, "\"trace is static\" listener not called when the trace is made static (2)");
2872         ok(called3 == 1, "\"trace is static\" listener called when the trace is made static (3)");
2873         ok(called4 == 1, "\"trace is static\" listener called when the trace is made static (4)");
2874         called1 = 0;
2875         called2 = 0;
2876         called3 = 0;
2877         called4 = 0;
2878         bt_put(trace);
2879         ok(called1 == 0, "\"trace is static\" listener not called after the trace is put (1)");
2880         ok(called2 == 0, "\"trace is static\" listener not called after the trace is put (2)");
2881         ok(called3 == 0, "\"trace is static\" listener not called after the trace is put (3)");
2882         ok(called4 == 0, "\"trace is static\" listener not called after the trace is put (4)");
2883 }
2884
2885 static
2886 void test_trace_uuid(void)
2887 {
2888         struct bt_ctf_trace *trace;
2889         const unsigned char uuid[] = {
2890                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2891                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2892         };
2893         const unsigned char *ret_uuid;
2894
2895         trace = bt_ctf_trace_create();
2896         assert(trace);
2897         ok(!bt_ctf_trace_get_uuid(NULL),
2898                 "bt_ctf_trace_get_uuid() handles NULL");
2899         ok(!bt_ctf_trace_get_uuid(trace),
2900                 "bt_ctf_trace_get_uuid() returns NULL initially");
2901         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2902                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2903         ok(bt_ctf_trace_set_uuid(trace, NULL),
2904                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2905         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2906                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2907         ret_uuid = bt_ctf_trace_get_uuid(trace);
2908         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2909         assert(ret_uuid);
2910         ok(memcmp(uuid, ret_uuid, 16) == 0,
2911                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2912
2913         bt_put(trace);
2914 }
2915
2916 int main(int argc, char **argv)
2917 {
2918         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2919         char metadata_path[sizeof(trace_path) + 9];
2920         const char *clock_name = "test_clock";
2921         const char *clock_description = "This is a test clock";
2922         const char *returned_clock_name;
2923         const char *returned_clock_description;
2924         const uint64_t frequency = 1123456789;
2925         const int64_t offset_s = 1351530929945824323;
2926         const int64_t offset = 1234567;
2927         int64_t get_offset_s,
2928                 get_offset;
2929         const uint64_t precision = 10;
2930         const int is_absolute = 0xFF;
2931         char *metadata_string;
2932         struct bt_ctf_writer *writer;
2933         struct utsname name;
2934         char hostname[BABELTRACE_HOST_NAME_MAX];
2935         struct bt_ctf_clock *clock, *ret_clock;
2936         struct bt_ctf_clock_class *ret_clock_class;
2937         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2938         struct bt_ctf_stream *stream1;
2939         struct bt_ctf_stream *stream;
2940         const char *ret_string;
2941         const unsigned char *ret_uuid;
2942         unsigned char tmp_uuid[16] = { 0 };
2943         struct bt_ctf_field_type *packet_context_type,
2944                 *packet_context_field_type,
2945                 *packet_header_type,
2946                 *packet_header_field_type,
2947                 *integer_type,
2948                 *stream_event_context_type,
2949                 *ret_field_type,
2950                 *event_header_field_type;
2951         struct bt_ctf_field *packet_header, *packet_header_field;
2952         struct bt_ctf_trace *trace;
2953         int ret;
2954         int64_t ret_int64_t;
2955         struct bt_value *obj;
2956
2957         if (argc < 2) {
2958                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2959                 return -1;
2960         }
2961
2962         plan_tests(NR_TESTS);
2963
2964         if (!bt_mkdtemp(trace_path)) {
2965                 perror("# perror");
2966         }
2967
2968         strcpy(metadata_path, trace_path);
2969         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2970
2971         writer = bt_ctf_writer_create(trace_path);
2972         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2973
2974         ok(!bt_ctf_writer_get_trace(NULL),
2975                 "bt_ctf_writer_get_trace correctly handles NULL");
2976         trace = bt_ctf_writer_get_trace(writer);
2977         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE),
2978                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_NATIVE");
2979         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_UNSPECIFIED),
2980                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_UNSPECIFIED");
2981         ok(trace,
2982                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2983         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2984                 "Set a trace's byte order to big endian");
2985         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2986                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2987
2988         /* Add environment context to the trace */
2989         ret = gethostname(hostname, sizeof(hostname));
2990         if (ret < 0) {
2991                 return ret;
2992         }
2993         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2994                 "Add host (%s) environment field to writer instance",
2995                 hostname);
2996         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2997                 "test_value"),
2998                 "bt_ctf_writer_add_environment_field error with NULL writer");
2999         ok(bt_ctf_writer_add_environment_field(writer, NULL,
3000                 "test_value"),
3001                 "bt_ctf_writer_add_environment_field error with NULL field name");
3002         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
3003                 NULL),
3004                 "bt_ctf_writer_add_environment_field error with NULL field value");
3005
3006         /* Test bt_ctf_trace_set_environment_field with an integer object */
3007         obj = bt_value_integer_create_init(23);
3008         assert(obj);
3009         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
3010                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
3011         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
3012                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
3013         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
3014                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
3015         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
3016                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
3017         BT_PUT(obj);
3018
3019         /* Test bt_ctf_trace_set_environment_field with a string object */
3020         obj = bt_value_string_create_init("the value");
3021         assert(obj);
3022         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
3023                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
3024         BT_PUT(obj);
3025
3026         /* Test bt_ctf_trace_set_environment_field_integer */
3027         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
3028                 -194875),
3029                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
3030         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
3031                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
3032         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3033                 -164973),
3034                 "bt_ctf_trace_set_environment_field_integer succeeds");
3035
3036         /* Test bt_ctf_trace_set_environment_field_string */
3037         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
3038                 "yeah"),
3039                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
3040         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
3041                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
3042         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3043                 NULL),
3044                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
3045         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3046                 "oh yeah"),
3047                 "bt_ctf_trace_set_environment_field_string succeeds");
3048
3049         /* Test bt_ctf_trace_get_environment_field_count */
3050         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
3051                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
3052         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3053                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
3054
3055         /* Test bt_ctf_trace_get_environment_field_name */
3056         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
3057                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
3058         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
3059                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
3060         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
3061         ok(ret_string && !strcmp(ret_string, "host"),
3062                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3063         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
3064         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
3065                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3066         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
3067         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3068                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3069         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
3070         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3071                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3072         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
3073         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3074                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3075
3076         /* Test bt_ctf_trace_get_environment_field_value */
3077         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
3078                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3079         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3080                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3081         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3082         ret = bt_value_integer_get(obj, &ret_int64_t);
3083         ok(!ret && ret_int64_t == 23,
3084                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3085         BT_PUT(obj);
3086         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3087         ret = bt_value_string_get(obj, &ret_string);
3088         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3089                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3090         BT_PUT(obj);
3091
3092         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3093         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3094                 "test_env_str"),
3095                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3096         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3097                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3098         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3099                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3100         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3101                 "test_env_str");
3102         ret = bt_value_string_get(obj, &ret_string);
3103         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3104                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3105         BT_PUT(obj);
3106
3107         /* Test environment field replacement */
3108         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3109                 654321),
3110                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3111         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3112                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3113         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3114         ret = bt_value_integer_get(obj, &ret_int64_t);
3115         ok(!ret && ret_int64_t == 654321,
3116                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3117         BT_PUT(obj);
3118
3119         /* On Solaris, uname() can return any positive value on success */
3120         if (uname(&name) < 0) {
3121                 perror("uname");
3122                 return -1;
3123         }
3124
3125         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3126                 == 0, "Add sysname (%s) environment field to writer instance",
3127                 name.sysname);
3128         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3129                 name.nodename) == 0,
3130                 "Add nodename (%s) environment field to writer instance",
3131                 name.nodename);
3132         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3133                 == 0, "Add release (%s) environment field to writer instance",
3134                 name.release);
3135         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3136                 == 0, "Add version (%s) environment field to writer instance",
3137                 name.version);
3138         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3139                 == 0, "Add machine (%s) environment field to writer istance",
3140                 name.machine);
3141
3142         /* Define a clock and add it to the trace */
3143         ok(bt_ctf_clock_create("signed") == NULL,
3144                 "Illegal clock name rejected");
3145         clock = bt_ctf_clock_create(clock_name);
3146         ok(clock, "Clock created sucessfully");
3147         returned_clock_name = bt_ctf_clock_get_name(clock);
3148         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3149         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3150                 "Returned clock name is valid");
3151
3152         returned_clock_description = bt_ctf_clock_get_description(clock);
3153         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3154         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3155                 "Clock description set successfully");
3156
3157         returned_clock_description = bt_ctf_clock_get_description(clock);
3158         ok(returned_clock_description,
3159                 "bt_ctf_clock_get_description returns a description.");
3160         ok(returned_clock_description ?
3161                 !strcmp(returned_clock_description, clock_description) : 0,
3162                 "Returned clock description is valid");
3163
3164         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3165                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3166         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3167                 "Set clock frequency");
3168         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3169                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3170
3171         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3172                 "bt_ctf_clock_get_offset_s succeeds");
3173         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3174                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3175         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3176                 "Set clock offset (seconds)");
3177         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3178                 "bt_ctf_clock_get_offset_s succeeds");
3179         ok(get_offset_s == offset_s,
3180                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3181
3182         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3183                 "bt_ctf_clock_get_offset succeeds");
3184         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3185                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3186         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3187         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3188                 "bt_ctf_clock_get_offset succeeds");
3189         ok(get_offset == offset,
3190                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3191
3192         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3193                 "bt_ctf_clock_get_precision returns the correct default precision");
3194         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3195                 "Set clock precision");
3196         ok(bt_ctf_clock_get_precision(clock) == precision,
3197                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3198
3199         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3200                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3201         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3202                 "Set clock absolute property");
3203         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3204                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3205
3206         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3207                 "Set clock time");
3208
3209         ok(!bt_ctf_clock_get_name(NULL),
3210                 "bt_ctf_clock_get_name correctly handles NULL");
3211         ok(!bt_ctf_clock_get_description(NULL),
3212                 "bt_ctf_clock_get_description correctly handles NULL");
3213         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3214                 "bt_ctf_clock_get_frequency correctly handles NULL");
3215         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3216                 "bt_ctf_clock_get_precision correctly handles NULL");
3217         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3218                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3219         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3220                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3221         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3222                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3223         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3224                 "bt_ctf_clock_get_offset correctly handles NULL output");
3225         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3226                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3227
3228         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3229                 "bt_ctf_clock_set_description correctly handles NULL clock");
3230         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3231                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3232         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3233                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3234         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3235                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3236         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3237                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3238         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3239                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3240         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3241                 "bt_ctf_clock_set_time correctly handles NULL clock");
3242         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3243                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3244         ret_uuid = bt_ctf_clock_get_uuid(clock);
3245         ok(ret_uuid,
3246                 "bt_ctf_clock_get_uuid returns a UUID");
3247         if (ret_uuid) {
3248                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3249                 /* Slightly modify UUID */
3250                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3251         }
3252
3253         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3254                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3255         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3256                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3257         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3258                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3259         ret_uuid = bt_ctf_clock_get_uuid(clock);
3260         ok(ret_uuid,
3261                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3262         ok(uuid_match(ret_uuid, tmp_uuid),
3263                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3264
3265         /* Define a stream class */
3266         stream_class = bt_ctf_stream_class_create("test_stream");
3267
3268         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3269                 "bt_ctf_stream_class_get_name handles NULL correctly");
3270         ret_string = bt_ctf_stream_class_get_name(stream_class);
3271         ok(ret_string && !strcmp(ret_string, "test_stream"),
3272                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3273
3274         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3275                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3276         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3277                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3278
3279         ok(stream_class, "Create stream class");
3280         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3281                 "Set a stream class' clock");
3282         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3283         ok(ret_clock == clock,
3284                 "bt_ctf_stream_class_get_clock returns a correct clock");
3285         bt_put(ret_clock);
3286
3287         /* Test the event fields and event types APIs */
3288         type_field_tests();
3289
3290         /* Test fields copying */
3291         field_copy_tests();
3292
3293         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3294                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3295         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3296                 "bt_ctf_stream_class_get_id handles NULL correctly");
3297         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3298                 "bt_ctf_stream_class_set_id handles NULL correctly");
3299         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3300                 "Set an stream class' id");
3301         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3302                 "bt_ctf_stream_class_get_id returns the correct value");
3303
3304         /* Validate default event header fields */
3305         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3306                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3307         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3308                 stream_class);
3309         ok(ret_field_type,
3310                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3311         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3312                 "Default event header type is a structure");
3313         event_header_field_type =
3314                 bt_ctf_field_type_structure_get_field_type_by_name(
3315                 ret_field_type, "id");
3316         ok(event_header_field_type,
3317                 "Default event header type contains an \"id\" field");
3318         ok(bt_ctf_field_type_get_type_id(
3319                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3320                 "Default event header \"id\" field is an integer");
3321         bt_put(event_header_field_type);
3322         event_header_field_type =
3323                 bt_ctf_field_type_structure_get_field_type_by_name(
3324                 ret_field_type, "timestamp");
3325         ok(event_header_field_type,
3326                 "Default event header type contains a \"timestamp\" field");
3327         ok(bt_ctf_field_type_get_type_id(
3328                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3329                 "Default event header \"timestamp\" field is an integer");
3330         bt_put(event_header_field_type);
3331         bt_put(ret_field_type);
3332
3333         /* Add a custom trace packet header field */
3334         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3335                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3336         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3337         ok(packet_header_type,
3338                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3339         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3340                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3341         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3342                 packet_header_type, "magic");
3343         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3344         bt_put(ret_field_type);
3345         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3346                 packet_header_type, "uuid");
3347         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3348         bt_put(ret_field_type);
3349         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3350                 packet_header_type, "stream_id");
3351         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3352         bt_put(ret_field_type);
3353
3354         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3355         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3356                 packet_header_field_type, "custom_trace_packet_header_field"),
3357                 "Added a custom trace packet header field successfully");
3358
3359         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3360                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3361         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3362                 "Set a trace packet_header_type successfully");
3363
3364         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3365                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3366
3367         /* Add a custom field to the stream class' packet context */
3368         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3369         ok(packet_context_type,
3370                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3371         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3372                 "Packet context is a structure");
3373
3374         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3375                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3376
3377         integer_type = bt_ctf_field_type_integer_create(32);
3378         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3379                 integer_type) < 0,
3380                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3381         /* Create a "uint5_t" equivalent custom packet context field */
3382         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3383
3384         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3385                 packet_context_field_type, "custom_packet_context_field");
3386         ok(ret == 0, "Packet context field added successfully");
3387
3388         /* Define a stream event context containing a my_integer field. */
3389         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3390                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3391         stream_event_context_type = bt_ctf_field_type_structure_create();
3392         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3393                 integer_type, "common_event_context");
3394
3395         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3396                 stream_event_context_type) < 0,
3397                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3398         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3399                 integer_type) < 0,
3400                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3401
3402         ok(bt_ctf_stream_class_set_event_context_type(
3403                 stream_class, stream_event_context_type) == 0,
3404                 "Set a new stream event context type");
3405         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3406                 stream_class);
3407         ok(ret_field_type == stream_event_context_type,
3408                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3409         bt_put(ret_field_type);
3410
3411         /* Instantiate a stream and append events */
3412         ret = bt_ctf_writer_add_clock(writer, clock);
3413         assert(ret == 0);
3414         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3415                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3416         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3417         ok(stream1, "Instanciate a stream class from writer");
3418         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3419                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3420         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3421         ok(stream == stream1,
3422                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3423         BT_PUT(stream);
3424
3425         /*
3426          * Creating a stream through a writer adds the given stream
3427          * class to the writer's trace, thus registering the stream
3428          * class's clock to the trace.
3429          */
3430         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3431                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3432         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3433                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3434         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3435                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3436         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3437                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3438         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3439         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3440                 bt_ctf_clock_get_name(clock)) == 0,
3441                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3442         bt_put(ret_clock_class);
3443         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3444                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3445         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3446                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3447         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3448                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3449         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3450         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3451                 bt_ctf_clock_get_name(clock)) == 0,
3452                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3453         bt_put(ret_clock_class);
3454         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3455                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3456
3457         ok(bt_ctf_stream_get_class(NULL) == NULL,
3458                 "bt_ctf_stream_get_class correctly handles NULL");
3459         ret_stream_class = bt_ctf_stream_get_class(stream1);
3460         ok(ret_stream_class,
3461                 "bt_ctf_stream_get_class returns a stream class");
3462         ok(ret_stream_class == stream_class,
3463                 "Returned stream class is of the correct type");
3464
3465         /*
3466          * Packet header, packet context, event header, and stream
3467          * event context types were copied for the resolving
3468          * process
3469          */
3470         BT_PUT(packet_header_type);
3471         BT_PUT(packet_context_type);
3472         BT_PUT(stream_event_context_type);
3473         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3474         assert(packet_header_type);
3475         packet_context_type =
3476                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3477         assert(packet_context_type);
3478         stream_event_context_type =
3479                 bt_ctf_stream_class_get_event_context_type(stream_class);
3480         assert(stream_event_context_type);
3481
3482         /*
3483          * Try to modify the packet context type after a stream has been
3484          * created.
3485          */
3486         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3487                 packet_header_field_type, "should_fail");
3488         ok(ret < 0,
3489                 "Trace packet header type can't be modified once a stream has been instanciated");
3490
3491         /*
3492          * Try to modify the packet context type after a stream has been
3493          * created.
3494          */
3495         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3496                 packet_context_field_type, "should_fail");
3497         ok(ret < 0,
3498                 "Packet context type can't be modified once a stream has been instanciated");
3499
3500         /*
3501          * Try to modify the stream event context type after a stream has been
3502          * created.
3503          */
3504         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3505                 integer_type, "should_fail");
3506         ok(ret < 0,
3507                 "Stream event context type can't be modified once a stream has been instanciated");
3508
3509         /* Should fail after instanciating a stream (frozen) */
3510         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3511                 "Changes to a stream class that was already instantiated fail");
3512
3513         /* Populate the custom packet header field only once for all tests */
3514         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3515                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3516         packet_header = bt_ctf_stream_get_packet_header(stream1);
3517         ok(packet_header,
3518                 "bt_ctf_stream_get_packet_header returns a packet header");
3519         ret_field_type = bt_ctf_field_get_type(packet_header);
3520         ok(ret_field_type == packet_header_type,
3521                 "Stream returns a packet header of the appropriate type");
3522         bt_put(ret_field_type);
3523         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3524                 "custom_trace_packet_header_field");
3525         ok(packet_header_field,
3526                 "Packet header structure contains a custom field with the appropriate name");
3527         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3528         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3529                 "Custom packet header field is of the expected type");
3530         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3531                 54321), "Set custom packet header value successfully");
3532         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3533                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3534         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3535                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3536         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3537                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3538         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3539                 "Successfully set a stream's packet header");
3540
3541         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3542                 "Add environment field to writer after stream creation");
3543
3544         test_clock_utils();
3545
3546         test_create_writer_vs_non_writer_mode();
3547
3548         test_set_clock_non_writer_stream_class();
3549
3550         test_instanciate_event_before_stream(writer, clock);
3551
3552         append_simple_event(stream_class, stream1, clock);
3553
3554         packet_resize_test(stream_class, stream1, clock);
3555
3556         append_complex_event(stream_class, stream1, clock);
3557
3558         append_existing_event_class(stream_class);
3559
3560         test_empty_stream(writer);
3561
3562         test_custom_event_header_stream(writer, clock);
3563
3564         test_static_trace();
3565
3566         test_trace_is_static_listener();
3567
3568         test_trace_uuid();
3569
3570         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3571         ok(metadata_string, "Get metadata string");
3572
3573         bt_ctf_writer_flush_metadata(writer);
3574
3575         bt_put(clock);
3576         bt_put(ret_stream_class);
3577         bt_put(writer);
3578         bt_put(stream1);
3579         bt_put(packet_context_type);
3580         bt_put(packet_context_field_type);
3581         bt_put(integer_type);
3582         bt_put(stream_event_context_type);
3583         bt_put(ret_field_type);
3584         bt_put(packet_header_type);
3585         bt_put(packet_header_field_type);
3586         bt_put(packet_header);
3587         bt_put(packet_header_field);
3588         bt_put(trace);
3589         free(metadata_string);
3590         bt_put(stream_class);
3591
3592         validate_trace(argv[1], trace_path);
3593
3594         //recursive_rmdir(trace_path);
3595         return 0;
3596 }