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 <sys/utsname.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 609
  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         ok(bt_ctf_event_class_create("clock") == NULL,
 787                 "Reject creation of an event class with an illegal name");
 788         event_class = bt_ctf_event_class_create(complex_test_event_string);
 789         ok(event_class, "Create an event class");
 790         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 791                 "Reject addition of a field with an empty name to an event");
 792         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 793                 "Reject addition of a field with a NULL type to an event");
 794         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 795                 "int"),
 796                 "Reject addition of a type with an illegal name to an event");
 797         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 798                 "uint_35") == 0,
 799                 "Add field of type unsigned integer to an event");
 800         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 801                 "int_16") == 0, "Add field of type signed integer to an event");
 802         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 803                 "complex_structure") == 0,
 804                 "Add composite structure to an event");
 805
 806         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 807                 "bt_ctf_event_class_get_name handles NULL correctly");
 808         ret_string = bt_ctf_event_class_get_name(event_class);
 809         ok(!strcmp(ret_string, complex_test_event_string),
 810                 "bt_ctf_event_class_get_name returns a correct name");
 811         ok(bt_ctf_event_class_get_id(event_class) < 0,
 812                 "bt_ctf_event_class_get_id returns a negative value when not set");
 813         ok(bt_ctf_event_class_get_id(NULL) < 0,
 814                 "bt_ctf_event_class_get_id handles NULL correctly");
 815         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 816                 "bt_ctf_event_class_set_id handles NULL correctly");
 817         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 818                 "Set an event class' id");
 819         ok(bt_ctf_event_class_get_id(event_class) == 42,
 820                 "bt_ctf_event_class_get_id returns the correct value");
 821
 822         /* Test event class attributes */
 823         obj = bt_value_integer_create_init(15);
 824         assert(obj);
 825         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 826                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 827         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 828                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 829         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 830                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 831         assert(!bt_value_integer_set(obj, -3));
 832         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 833                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 834         assert(!bt_value_integer_set(obj, 11));
 835         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 836         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 837                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 838         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 839         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 840         ok(ret,
 841                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 842         BT_PUT(obj);
 843
 844         obj = bt_value_integer_create_init(5);
 845         assert(obj);
 846         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 847                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 848         BT_PUT(obj);
 849         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 850                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 851         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 852                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 853         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 854                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 855         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 856                 "loglevel");
 857         int64_value = 0;
 858         ret = bt_value_integer_get(obj, &int64_value);
 859         ok(obj && !ret && int64_value == 5,
 860                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 861         BT_PUT(obj);
 862
 863         obj = bt_value_string_create_init("nu name");
 864         assert(obj);
 865         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 866         ret_string = bt_ctf_event_class_get_name(event_class);
 867         ok(!strcmp(ret_string, "nu name"),
 868                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 869         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 870         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 871         ok(ret,
 872                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 873         BT_PUT(obj);
 874         obj = bt_value_string_create_init("http://kernel.org/");
 875         assert(obj);
 876         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 877         BT_PUT(obj);
 878
 879         ok(bt_ctf_event_class_get_attribute_count(NULL),
 880                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 881         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 882                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 883         ok(!bt_ctf_event_class_get_attribute_name_by_index(NULL, 0),
 884                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 885         ok(!bt_ctf_event_class_get_attribute_name_by_index(event_class, 4),
 886                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 887         ok(!bt_ctf_event_class_get_attribute_value_by_index(NULL, 0),
 888                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 889         ok(!bt_ctf_event_class_get_attribute_value_by_index(event_class, 4),
 890                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 891
 892         memset(&attrs_count, 0, sizeof(attrs_count));
 893
 894         for (i = 0; i < 4; ++i) {
 895                 ret_string = bt_ctf_event_class_get_attribute_name_by_index(
 896                         event_class, i);
 897                 obj = bt_ctf_event_class_get_attribute_value_by_index(
 898                         event_class, i);
 899                 assert(ret_string && obj);
 900
 901                 if (!strcmp(ret_string, "id")) {
 902                         attrs_count.id++;
 903                         ok(bt_value_is_integer(obj),
 904                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 905                                 ret_string);
 906                 } else if (!strcmp(ret_string, "name")) {
 907                         attrs_count.name++;
 908                         ok(bt_value_is_string(obj),
 909                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 910                                 ret_string);
 911                 } else if (!strcmp(ret_string, "loglevel")) {
 912                         attrs_count.loglevel++;
 913                         ok(bt_value_is_integer(obj),
 914                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 915                                 ret_string);
 916                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 917                         attrs_count.modelemfuri++;
 918                         ok(bt_value_is_string(obj),
 919                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 920                                 ret_string);
 921                 } else {
 922                         attrs_count.unknown++;
 923                 }
 924
 925                 BT_PUT(obj);
 926         }
 927
 928         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 929         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 930                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 931                 "event class has one instance of each known attribute");
 932
 933         /* Add event class to the stream class */
 934         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 935                 "Reject addition of NULL event class to a stream class");
 936         ok(bt_ctf_stream_class_add_event_class(stream_class,
 937                 event_class) == 0, "Add an event class to stream class");
 938
 939         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 940                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 941         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 942         ok(ret_stream_class == stream_class,
 943                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 944         bt_put(ret_stream_class);
 945
 946         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 947                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 948         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 949                 "bt_ctf_event_class_get_field_count returns a correct value");
 950
 951         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 952                 &ret_field_type, 0) < 0,
 953                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 954         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 955                 &ret_field_type, 0) == 0,
 956                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 957         bt_put(ret_field_type);
 958         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 959                 NULL, 0) == 0,
 960                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 961         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 962                 &ret_field_type, 42) < 0,
 963                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 964         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 965                 &ret_field_type, 0) == 0,
 966                 "bt_ctf_event_class_get_field returns a field");
 967         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 968                 "bt_ctf_event_class_get_field returns a correct field type");
 969         bt_put(ret_field_type);
 970         ok(!strcmp(ret_string, "uint_35"),
 971                 "bt_ctf_event_class_get_field returns a correct field name");
 972         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 973                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 974         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 975                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 976         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 977                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 978         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 979                 "complex_structure");
 980         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 981                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 982         bt_put(ret_field_type);
 983
 984         event = bt_ctf_event_create(event_class);
 985         ok(event, "Instanciate a complex event");
 986
 987         ok(bt_ctf_event_get_class(NULL) == NULL,
 988                 "bt_ctf_event_get_class handles NULL correctly");
 989         ret_event_class = bt_ctf_event_get_class(event);
 990         ok(ret_event_class == event_class,
 991                 "bt_ctf_event_get_class returns the correct event class");
 992         bt_put(ret_event_class);
 993
 994         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 995         if (!uint_35_field) {
 996                 printf("uint_35_field is NULL\n");
 997         }
 998
 999         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1000         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1001         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1002                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1003         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1004                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1005         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1006                 &ret_unsigned_int) == 0,
1007                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1008         ok(ret_unsigned_int == 0x0DDF00D,
1009                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1010         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1011                 &ret_signed_int) < 0,
1012                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1013         bt_put(uint_35_field);
1014
1015         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1016         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1017         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1018                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1019         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1020                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1021         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1022                 &ret_signed_int) == 0,
1023                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1024         ok(ret_signed_int == -12345,
1025                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1026         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1027                 &ret_unsigned_int) < 0,
1028                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1029         bt_put(int_16_field);
1030
1031         complex_structure_field = bt_ctf_event_get_payload(event,
1032                 "complex_structure");
1033
1034         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1035                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1036         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1037                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1038         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1039                 complex_structure_field, 3);
1040         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1041         bt_put(inner_structure_field);
1042         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1043                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1044         bt_put(ret_field_type);
1045
1046         inner_structure_field = bt_ctf_field_structure_get_field(
1047                 complex_structure_field, "inner_structure");
1048         a_string_field = bt_ctf_field_structure_get_field(
1049                 complex_structure_field, "a_string");
1050         enum_variant_field = bt_ctf_field_structure_get_field(
1051                 complex_structure_field, "variant_selector");
1052         variant_field = bt_ctf_field_structure_get_field(
1053                 complex_structure_field, "variant_value");
1054         uint_35_field = bt_ctf_field_structure_get_field(
1055                 inner_structure_field, "seq_len");
1056         a_sequence_field = bt_ctf_field_structure_get_field(
1057                 inner_structure_field, "a_sequence");
1058         an_array_field = bt_ctf_field_structure_get_field(
1059                 inner_structure_field, "an_array");
1060
1061         enum_container_field = bt_ctf_field_enumeration_get_container(
1062                 enum_variant_field);
1063         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1064         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1065                 enum_variant_field);
1066         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1067         bt_put(int_16_field);
1068         ok(!bt_ctf_field_string_get_value(a_string_field),
1069                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1070         bt_ctf_field_string_set_value(a_string_field,
1071                 test_string_1);
1072         ok(!bt_ctf_field_string_get_value(NULL),
1073                 "bt_ctf_field_string_get_value correctly handles NULL");
1074         ok(bt_ctf_field_string_append(NULL, "yeah"),
1075                 "bt_ctf_field_string_append correctly handles a NULL string field");
1076         ok(bt_ctf_field_string_append(a_string_field, NULL),
1077                 "bt_ctf_field_string_append correctly handles a NULL string value");
1078         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1079                 "bt_ctf_field_string_append succeeds");
1080         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1081                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1082         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1083                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1084         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1085                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1086         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1087                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1088         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1089                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1090         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1091                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1092
1093         ret_string = bt_ctf_field_string_get_value(a_string_field);
1094         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1095         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1096                 "bt_ctf_field_string_get_value returns a correct value");
1097         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1098                 SEQUENCE_TEST_LENGTH);
1099
1100         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1101                 enum_container_field) == NULL,
1102                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1103         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1104                 NULL) == NULL,
1105                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1106         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1107                 variant_type, enum_variant_field);
1108         ok(ret_field_type == int_16_type,
1109                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1110
1111         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1112                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1113         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1114                 uint_35_field) == 0, "Set a sequence field's length");
1115         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1116         ok(ret_field == uint_35_field,
1117                 "bt_ctf_field_sequence_get_length returns the correct length field");
1118         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1119                 "bt_ctf_field_sequence_get_length properly handles NULL");
1120
1121         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1122                 int_16_field = bt_ctf_field_sequence_get_field(
1123                         a_sequence_field, i);
1124                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1125                 bt_put(int_16_field);
1126         }
1127
1128         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1129                 int_16_field = bt_ctf_field_array_get_field(
1130                         an_array_field, i);
1131                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1132                 bt_put(int_16_field);
1133         }
1134
1135         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1136         assert(stream_event_ctx_field);
1137         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1138                 stream_event_ctx_field, "common_event_context");
1139         BT_PUT(stream_event_ctx_field);
1140         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1141         BT_PUT(stream_event_ctx_int_field);
1142
1143         bt_ctf_clock_set_time(clock, ++current_time);
1144         ok(bt_ctf_stream_append_event(stream, event) == 0,
1145                 "Append a complex event to a stream");
1146
1147         /*
1148          * Populate the custom packet context field with a dummy value
1149          * otherwise flush will fail.
1150          */
1151         packet_context = bt_ctf_stream_get_packet_context(stream);
1152         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1153                 "custom_packet_context_field");
1154         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1155
1156         ok(bt_ctf_stream_flush(stream) == 0,
1157                 "Flush a stream containing a complex event");
1158
1159         bt_put(uint_35_field);
1160         bt_put(a_string_field);
1161         bt_put(inner_structure_field);
1162         bt_put(complex_structure_field);
1163         bt_put(a_sequence_field);
1164         bt_put(an_array_field);
1165         bt_put(enum_variant_field);
1166         bt_put(enum_container_field);
1167         bt_put(variant_field);
1168         bt_put(ret_field);
1169         bt_put(packet_context_field);
1170         bt_put(packet_context);
1171         bt_put(uint_35_type);
1172         bt_put(int_16_type);
1173         bt_put(string_type);
1174         bt_put(sequence_type);
1175         bt_put(array_type);
1176         bt_put(inner_structure_type);
1177         bt_put(complex_structure_type);
1178         bt_put(uint_3_type);
1179         bt_put(enum_variant_type);
1180         bt_put(variant_type);
1181         bt_put(ret_field_type);
1182         bt_put(event_class);
1183         bt_put(event);
1184 }
1185
1186 static
1187 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1188                 struct bt_ctf_field_type *expected_type, const char *name)
1189 {
1190         struct bt_ctf_field_type *copy_type;
1191
1192         copy_type = bt_ctf_field_get_type(field);
1193         ok(copy_type == expected_type,
1194                 "bt_ctf_field_copy does not copy the type (%s)", name);
1195         bt_put(copy_type);
1196 }
1197
1198 static
1199 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1200                 struct bt_ctf_field *field_b, const char *name)
1201 {
1202         ok(field_a != field_b,
1203                 "bt_ctf_field_copy creates different pointers (%s)", name);
1204 }
1205
1206 static
1207 void field_copy_tests()
1208 {
1209         struct bt_ctf_field_type *len_type = NULL;
1210         struct bt_ctf_field_type *fp_type = NULL;
1211         struct bt_ctf_field_type *s_type = NULL;
1212         struct bt_ctf_field_type *e_int_type = NULL;
1213         struct bt_ctf_field_type *e_type = NULL;
1214         struct bt_ctf_field_type *v_type = NULL;
1215         struct bt_ctf_field_type *v_label1_type = NULL;
1216         struct bt_ctf_field_type *v_label1_array_type = NULL;
1217         struct bt_ctf_field_type *v_label2_type = NULL;
1218         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1219         struct bt_ctf_field_type *strct_type = NULL;
1220         struct bt_ctf_field *len = NULL;
1221         struct bt_ctf_field *fp = NULL;
1222         struct bt_ctf_field *s = NULL;
1223         struct bt_ctf_field *e_int = NULL;
1224         struct bt_ctf_field *e = NULL;
1225         struct bt_ctf_field *v = NULL;
1226         struct bt_ctf_field *v_selected = NULL;
1227         struct bt_ctf_field *v_selected_cur = NULL;
1228         struct bt_ctf_field *v_selected_0 = NULL;
1229         struct bt_ctf_field *v_selected_1 = NULL;
1230         struct bt_ctf_field *v_selected_2 = NULL;
1231         struct bt_ctf_field *v_selected_3 = NULL;
1232         struct bt_ctf_field *v_selected_4 = NULL;
1233         struct bt_ctf_field *v_selected_5 = NULL;
1234         struct bt_ctf_field *v_selected_6 = NULL;
1235         struct bt_ctf_field *a = NULL;
1236         struct bt_ctf_field *a_0 = NULL;
1237         struct bt_ctf_field *a_1 = NULL;
1238         struct bt_ctf_field *a_2 = NULL;
1239         struct bt_ctf_field *a_3 = NULL;
1240         struct bt_ctf_field *a_4 = NULL;
1241         struct bt_ctf_field *strct = NULL;
1242         struct bt_ctf_field *len_copy = NULL;
1243         struct bt_ctf_field *fp_copy = NULL;
1244         struct bt_ctf_field *s_copy = NULL;
1245         struct bt_ctf_field *e_int_copy = NULL;
1246         struct bt_ctf_field *e_copy = NULL;
1247         struct bt_ctf_field *v_copy = NULL;
1248         struct bt_ctf_field *v_selected_copy = NULL;
1249         struct bt_ctf_field *v_selected_copy_len = NULL;
1250         struct bt_ctf_field *v_selected_0_copy = NULL;
1251         struct bt_ctf_field *v_selected_1_copy = NULL;
1252         struct bt_ctf_field *v_selected_2_copy = NULL;
1253         struct bt_ctf_field *v_selected_3_copy = NULL;
1254         struct bt_ctf_field *v_selected_4_copy = NULL;
1255         struct bt_ctf_field *v_selected_5_copy = NULL;
1256         struct bt_ctf_field *v_selected_6_copy = NULL;
1257         struct bt_ctf_field *a_copy = NULL;
1258         struct bt_ctf_field *a_0_copy = NULL;
1259         struct bt_ctf_field *a_1_copy = NULL;
1260         struct bt_ctf_field *a_2_copy = NULL;
1261         struct bt_ctf_field *a_3_copy = NULL;
1262         struct bt_ctf_field *a_4_copy = NULL;
1263         struct bt_ctf_field *strct_copy = NULL;
1264         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1265         uint64_t uint64_t_val;
1266         const char *str_val;
1267         double double_val;
1268         int ret;
1269
1270         /* create len type */
1271         len_type = bt_ctf_field_type_integer_create(32);
1272         assert(len_type);
1273
1274         /* create fp type */
1275         fp_type = bt_ctf_field_type_floating_point_create();
1276         assert(fp_type);
1277
1278         /* create s type */
1279         s_type = bt_ctf_field_type_string_create();
1280         assert(s_type);
1281
1282         /* create e_int type */
1283         e_int_type = bt_ctf_field_type_integer_create(8);
1284         assert(e_int_type);
1285
1286         /* create e type */
1287         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1288         assert(e_type);
1289         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1290                 10, 15);
1291         assert(!ret);
1292         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1293                 23, 23);
1294         assert(!ret);
1295
1296         /* create v_label1 type */
1297         v_label1_type = bt_ctf_field_type_string_create();
1298         assert(v_label1_type);
1299
1300         /* create v_label1_array type */
1301         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1302         assert(v_label1_array_type);
1303
1304         /* create v_label2 type */
1305         v_label2_type = bt_ctf_field_type_integer_create(16);
1306         assert(v_label2_type);
1307
1308         /* create v_label2_seq type */
1309         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1310                 "len");
1311         assert(v_label2_seq_type);
1312
1313         /* create v type */
1314         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1315         assert(v_type);
1316         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1317                 "LABEL1");
1318         assert(!ret);
1319         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1320                 "LABEL2");
1321         assert(!ret);
1322
1323         /* create strct type */
1324         strct_type = bt_ctf_field_type_structure_create();
1325         assert(strct_type);
1326         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1327                 "len");
1328         assert(!ret);
1329         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1330         assert(!ret);
1331         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1332         assert(!ret);
1333         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1334         assert(!ret);
1335         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1336         assert(!ret);
1337         ret = bt_ctf_field_type_structure_add_field(strct_type,
1338                 v_label1_array_type, "a");
1339         assert(!ret);
1340
1341         /* create strct */
1342         strct = bt_ctf_field_create(strct_type);
1343         assert(strct);
1344
1345         /* get len field */
1346         len = bt_ctf_field_structure_get_field(strct, "len");
1347         assert(len);
1348
1349         /* get fp field */
1350         fp = bt_ctf_field_structure_get_field(strct, "fp");
1351         assert(fp);
1352
1353         /* get s field */
1354         s = bt_ctf_field_structure_get_field(strct, "s");
1355         assert(s);
1356
1357         /* get e field */
1358         e = bt_ctf_field_structure_get_field(strct, "e");
1359         assert(e);
1360
1361         /* get e_int (underlying integer) */
1362         e_int = bt_ctf_field_enumeration_get_container(e);
1363         assert(e_int);
1364
1365         /* get v field */
1366         v = bt_ctf_field_structure_get_field(strct, "v");
1367         assert(v);
1368
1369         /* get a field */
1370         a = bt_ctf_field_structure_get_field(strct, "a");
1371         assert(a);
1372
1373         /* set len field */
1374         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1375         assert(!ret);
1376
1377         /* set fp field */
1378         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1379         assert(!ret);
1380
1381         /* set s field */
1382         ret = bt_ctf_field_string_set_value(s, "btbt");
1383         assert(!ret);
1384
1385         /* set e field (LABEL2) */
1386         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1387         assert(!ret);
1388
1389         /* set v field */
1390         v_selected = bt_ctf_field_variant_get_field(v, e);
1391         assert(v_selected);
1392         ok(!bt_ctf_field_variant_get_current_field(NULL),
1393                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1394         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1395         ok(v_selected_cur == v_selected,
1396                 "bt_ctf_field_variant_get_current_field returns the current field");
1397         bt_put(v_selected_cur);
1398
1399         /* set selected v field */
1400         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1401         assert(!ret);
1402         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1403         assert(v_selected_0);
1404         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1405         assert(!ret);
1406         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1407         assert(v_selected_1);
1408         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1409         assert(!ret);
1410         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1411         assert(v_selected_2);
1412         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1413         assert(!ret);
1414         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1415         assert(v_selected_3);
1416         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1417         assert(!ret);
1418         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1419         assert(v_selected_4);
1420         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1421         assert(!ret);
1422         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1423         assert(v_selected_5);
1424         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1425         assert(!ret);
1426         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1427         assert(v_selected_6);
1428         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1429         assert(!ret);
1430
1431         /* set a field */
1432         a_0 = bt_ctf_field_array_get_field(a, 0);
1433         assert(a_0);
1434         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1435         assert(!ret);
1436         a_1 = bt_ctf_field_array_get_field(a, 1);
1437         assert(a_1);
1438         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1439         assert(!ret);
1440         a_2 = bt_ctf_field_array_get_field(a, 2);
1441         assert(a_2);
1442         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1443         assert(!ret);
1444         a_3 = bt_ctf_field_array_get_field(a, 3);
1445         assert(a_3);
1446         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1447         assert(!ret);
1448         a_4 = bt_ctf_field_array_get_field(a, 4);
1449         assert(a_4);
1450         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1451         assert(!ret);
1452
1453         /* create copy of strct */
1454         ok(!bt_ctf_field_copy(NULL),
1455                 "bt_ctf_field_copy handles NULL correctly");
1456         strct_copy = bt_ctf_field_copy(strct);
1457         ok(strct_copy,
1458                 "bt_ctf_field_copy returns a valid pointer");
1459
1460         /* get all copied fields */
1461         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1462         assert(len_copy);
1463         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1464         assert(fp_copy);
1465         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1466         assert(s_copy);
1467         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1468         assert(e_copy);
1469         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1470         assert(e_int_copy);
1471         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1472         assert(v_copy);
1473         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1474         assert(v_selected_copy);
1475         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1476         assert(v_selected_0_copy);
1477         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1478         assert(v_selected_1_copy);
1479         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1480         assert(v_selected_2_copy);
1481         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1482         assert(v_selected_3_copy);
1483         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1484         assert(v_selected_4_copy);
1485         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1486         assert(v_selected_5_copy);
1487         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1488         assert(v_selected_6_copy);
1489         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1490                 "sequence field copy is not too large");
1491         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1492         assert(a_copy);
1493         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1494         assert(a_0_copy);
1495         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1496         assert(a_1_copy);
1497         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1498         assert(a_2_copy);
1499         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1500         assert(a_3_copy);
1501         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1502         assert(a_4_copy);
1503         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1504                 "array field copy is not too large");
1505
1506         /* make sure copied fields are different pointers */
1507         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1508         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1509         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1510         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1511         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1512         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1513         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1514         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1515                 "v_selected");
1516         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1517                 "v_selected_0");
1518         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1519                 "v_selected_1");
1520         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1521                 "v_selected_2");
1522         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1523                 "v_selected_3");
1524         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1525                 "v_selected_4");
1526         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1527                 "v_selected_5");
1528         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1529                 "v_selected_6");
1530         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1531         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1532         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1533         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1534         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1535         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1536
1537         /* make sure copied fields share the same types */
1538         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1539         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1540         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1541         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1542         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1543         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1544         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1545                 "v_selected");
1546         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1547                 "v_selected_0");
1548         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1549                 "v_selected_1");
1550         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1551                 "v_selected_2");
1552         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1553                 "v_selected_3");
1554         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1555                 "v_selected_4");
1556         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1557                 "v_selected_5");
1558         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1559                 "v_selected_6");
1560         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1561         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1562         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1563         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1564         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1565         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1566
1567         /* validate len copy */
1568         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1569         assert(!ret);
1570         ok(uint64_t_val == 7,
1571                 "bt_ctf_field_copy creates a valid integer field copy");
1572
1573         /* validate fp copy */
1574         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1575         assert(!ret);
1576         ok(double_val == 3.14,
1577                 "bt_ctf_field_copy creates a valid floating point number field copy");
1578
1579         /* validate s copy */
1580         str_val = bt_ctf_field_string_get_value(s_copy);
1581         ok(str_val && !strcmp(str_val, "btbt"),
1582                 "bt_ctf_field_copy creates a valid string field copy");
1583
1584         /* validate e_int copy */
1585         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1586                 &uint64_t_val);
1587         assert(!ret);
1588         ok(uint64_t_val == 23,
1589                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1590
1591         /* validate e copy */
1592         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1593         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1594                 &str_val, NULL, NULL);
1595         ok(str_val && !strcmp(str_val, "LABEL2"),
1596                 "bt_ctf_field_copy creates a valid enum field copy");
1597
1598         /* validate v_selected copy */
1599         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1600         assert(v_selected_copy_len);
1601         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1602                 &uint64_t_val);
1603         assert(!ret);
1604         ok(uint64_t_val == 7,
1605                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1606         bt_put(v_selected_copy_len);
1607         v_selected_copy_len = NULL;
1608
1609         /* validate v_selected copy fields */
1610         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1611                 &uint64_t_val);
1612         assert(!ret);
1613         ok(uint64_t_val == 7,
1614                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1615         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1616                 &uint64_t_val);
1617         assert(!ret);
1618         ok(uint64_t_val == 6,
1619                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1620         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1621                 &uint64_t_val);
1622         assert(!ret);
1623         ok(uint64_t_val == 5,
1624                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1625         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1626                 &uint64_t_val);
1627         assert(!ret);
1628         ok(uint64_t_val == 4,
1629                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1630         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1631                 &uint64_t_val);
1632         assert(!ret);
1633         ok(uint64_t_val == 3,
1634                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1635         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1636                 &uint64_t_val);
1637         assert(!ret);
1638         ok(uint64_t_val == 2,
1639                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1640         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1641                 &uint64_t_val);
1642         assert(!ret);
1643         ok(uint64_t_val == 1,
1644                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1645
1646         /* validate a copy fields */
1647         str_val = bt_ctf_field_string_get_value(a_0_copy);
1648         ok(str_val && !strcmp(str_val, "a_0"),
1649                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1650         str_val = bt_ctf_field_string_get_value(a_1_copy);
1651         ok(str_val && !strcmp(str_val, "a_1"),
1652                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1653         str_val = bt_ctf_field_string_get_value(a_2_copy);
1654         ok(str_val && !strcmp(str_val, "a_2"),
1655                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1656         str_val = bt_ctf_field_string_get_value(a_3_copy);
1657         ok(str_val && !strcmp(str_val, "a_3"),
1658                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1659         str_val = bt_ctf_field_string_get_value(a_4_copy);
1660         ok(str_val && !strcmp(str_val, "a_4"),
1661                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1662
1663         /* put everything */
1664         bt_put(len_type);
1665         bt_put(fp_type);
1666         bt_put(s_type);
1667         bt_put(e_int_type);
1668         bt_put(e_type);
1669         bt_put(v_type);
1670         bt_put(v_label1_type);
1671         bt_put(v_label1_array_type);
1672         bt_put(v_label2_type);
1673         bt_put(v_label2_seq_type);
1674         bt_put(strct_type);
1675         bt_put(len);
1676         bt_put(fp);
1677         bt_put(s);
1678         bt_put(e_int);
1679         bt_put(e);
1680         bt_put(v);
1681         bt_put(v_selected);
1682         bt_put(v_selected_0);
1683         bt_put(v_selected_1);
1684         bt_put(v_selected_2);
1685         bt_put(v_selected_3);
1686         bt_put(v_selected_4);
1687         bt_put(v_selected_5);
1688         bt_put(v_selected_6);
1689         bt_put(a);
1690         bt_put(a_0);
1691         bt_put(a_1);
1692         bt_put(a_2);
1693         bt_put(a_3);
1694         bt_put(a_4);
1695         bt_put(strct);
1696         bt_put(len_copy);
1697         bt_put(fp_copy);
1698         bt_put(s_copy);
1699         bt_put(e_int_copy);
1700         bt_put(e_copy);
1701         bt_put(v_copy);
1702         bt_put(v_selected_copy);
1703         bt_put(v_selected_0_copy);
1704         bt_put(v_selected_1_copy);
1705         bt_put(v_selected_2_copy);
1706         bt_put(v_selected_3_copy);
1707         bt_put(v_selected_4_copy);
1708         bt_put(v_selected_5_copy);
1709         bt_put(v_selected_6_copy);
1710         bt_put(a_copy);
1711         bt_put(a_0_copy);
1712         bt_put(a_1_copy);
1713         bt_put(a_2_copy);
1714         bt_put(a_3_copy);
1715         bt_put(a_4_copy);
1716         bt_put(strct_copy);
1717         bt_put(e_iter);
1718 }
1719
1720 static
1721 void type_field_tests()
1722 {
1723         struct bt_ctf_field *uint_12;
1724         struct bt_ctf_field *int_16;
1725         struct bt_ctf_field *string;
1726         struct bt_ctf_field *enumeration;
1727         struct bt_ctf_field_type *composite_structure_type;
1728         struct bt_ctf_field_type *structure_seq_type;
1729         struct bt_ctf_field_type *string_type;
1730         struct bt_ctf_field_type *sequence_type;
1731         struct bt_ctf_field_type *uint_8_type;
1732         struct bt_ctf_field_type *int_16_type;
1733         struct bt_ctf_field_type *uint_12_type =
1734                 bt_ctf_field_type_integer_create(12);
1735         struct bt_ctf_field_type *enumeration_type;
1736         struct bt_ctf_field_type *returned_type;
1737         const char *ret_string;
1738
1739         returned_type = bt_ctf_field_get_type(NULL);
1740         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1741
1742         ok(uint_12_type, "Create an unsigned integer type");
1743         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1744                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1745                 "Set integer type's base as binary");
1746         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1747                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1748                 "Set integer type's base as decimal");
1749         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1750                 BT_CTF_INTEGER_BASE_UNKNOWN),
1751                 "Reject integer type's base set as unknown");
1752         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1753                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1754                 "Set integer type's base as octal");
1755         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1756                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1757                 "Set integer type's base as hexadecimal");
1758         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1759                 "Reject unknown integer base value");
1760         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1761                 "Set integer type signedness to signed");
1762         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1763                 "Set integer type signedness to unsigned");
1764         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1765                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1766         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1767                 "bt_ctf_field_type_integer_get_size returns a correct value");
1768         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1769                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1770         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1771                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1772
1773         ok(bt_ctf_field_type_set_byte_order(NULL,
1774                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1775                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1776         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1777                 (enum bt_ctf_byte_order) 42) < 0,
1778                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1779         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1780                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1781                 "Set an integer's byte order to little endian");
1782         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1783                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1784                 "Set an integer's byte order to big endian");
1785         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1786                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1787                 "bt_ctf_field_type_get_byte_order returns a correct value");
1788         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1789                 BT_CTF_BYTE_ORDER_UNKNOWN,
1790                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1791
1792         ok(bt_ctf_field_type_get_type_id(NULL) ==
1793                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1794                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1795         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1796                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1797                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1798
1799         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1800                 BT_CTF_INTEGER_BASE_UNKNOWN,
1801                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1802         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1803                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1804                 "bt_ctf_field_type_integer_get_base returns a correct value");
1805
1806         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1807                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1808                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1809         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1810                 (enum bt_ctf_string_encoding) 123) < 0,
1811                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1812         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1813                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1814                 "Set integer type encoding to UTF8");
1815         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1816                 BT_CTF_STRING_ENCODING_UNKNOWN,
1817                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1818         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1819                 BT_CTF_STRING_ENCODING_UTF8,
1820                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1821
1822         int_16_type = bt_ctf_field_type_integer_create(16);
1823         assert(int_16_type);
1824         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1825                 "Set signedness of 16 bit integer to true");
1826         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1827                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1828         uint_8_type = bt_ctf_field_type_integer_create(8);
1829         sequence_type =
1830                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1831         ok(sequence_type, "Create a sequence of int16_t type");
1832         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1833                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1834                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1835
1836         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1837                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1838         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1839                 sequence_type);
1840         ok(!strcmp(ret_string, "seq_len"),
1841                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1842         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1843                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1844         returned_type = bt_ctf_field_type_sequence_get_element_type(
1845                 sequence_type);
1846         ok(returned_type == int_16_type,
1847                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1848         bt_put(returned_type);
1849
1850         string_type = bt_ctf_field_type_string_create();
1851         ok(string_type, "Create a string type");
1852         ok(bt_ctf_field_type_string_set_encoding(string_type,
1853                 BT_CTF_STRING_ENCODING_NONE),
1854                 "Reject invalid \"None\" string encoding");
1855         ok(bt_ctf_field_type_string_set_encoding(string_type,
1856                 42),
1857                 "Reject invalid string encoding");
1858         ok(bt_ctf_field_type_string_set_encoding(string_type,
1859                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1860                 "Set string encoding to ASCII");
1861
1862         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1863                 BT_CTF_STRING_ENCODING_UNKNOWN,
1864                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1865         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1866                 BT_CTF_STRING_ENCODING_ASCII,
1867                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1868
1869         structure_seq_type = bt_ctf_field_type_structure_create();
1870         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1871                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1872                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1873         ok(structure_seq_type, "Create a structure type");
1874         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1875                 uint_8_type, "seq_len") == 0,
1876                 "Add a uint8_t type to a structure");
1877         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1878                 sequence_type, "a_sequence") == 0,
1879                 "Add a sequence type to a structure");
1880
1881         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1882                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1883         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1884                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1885
1886         ok(bt_ctf_field_type_structure_get_field(NULL,
1887                 &ret_string, &returned_type, 1) < 0,
1888                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1889         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1890                 NULL, &returned_type, 1) == 0,
1891                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1892         bt_put(returned_type);
1893         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1894                 &ret_string, NULL, 1) == 0,
1895                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1896         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1897                 &ret_string, &returned_type, 10) < 0,
1898                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1899         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1900                 &ret_string, &returned_type, 1) == 0,
1901                 "bt_ctf_field_type_structure_get_field returns a field");
1902         ok(!strcmp(ret_string, "a_sequence"),
1903                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1904         ok(returned_type == sequence_type,
1905                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1906         bt_put(returned_type);
1907
1908         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1909                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1910         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1911                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1912         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1913                 structure_seq_type, "a_sequence");
1914         ok(returned_type == sequence_type,
1915                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1916         bt_put(returned_type);
1917
1918         composite_structure_type = bt_ctf_field_type_structure_create();
1919         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1920                 string_type, "a_string") == 0,
1921                 "Add a string type to a structure");
1922         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1923                 structure_seq_type, "inner_structure") == 0,
1924                 "Add a structure type to a structure");
1925
1926         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1927                 NULL, "a_sequence") == NULL,
1928                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1929         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1930                 structure_seq_type, NULL) == NULL,
1931                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1932         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1933                 structure_seq_type, "a_sequence");
1934         ok(returned_type == sequence_type,
1935                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1936         bt_put(returned_type);
1937
1938         int_16 = bt_ctf_field_create(int_16_type);
1939         ok(int_16, "Instanciate a signed 16-bit integer");
1940         uint_12 = bt_ctf_field_create(uint_12_type);
1941         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1942         returned_type = bt_ctf_field_get_type(int_16);
1943         ok(returned_type == int_16_type,
1944                 "bt_ctf_field_get_type returns the correct type");
1945
1946         /* Can't modify types after instanciating them */
1947         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1948                 BT_CTF_INTEGER_BASE_DECIMAL),
1949                 "Check an integer type' base can't be modified after instanciation");
1950         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1951                 "Check an integer type's signedness can't be modified after instanciation");
1952
1953         /* Check signed property is checked */
1954         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1955                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1956         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1957                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1958
1959         /* Check overflows are properly tested for */
1960         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1961                 "Check -32768 is allowed for a signed 16-bit integer");
1962         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1963                 "Check 32767 is allowed for a signed 16-bit integer");
1964         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1965                 "Check 32768 is not allowed for a signed 16-bit integer");
1966         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1967                 "Check -32769 is not allowed for a signed 16-bit integer");
1968         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1969                 "Check -42 is allowed for a signed 16-bit integer");
1970
1971         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1972                 "Check 4095 is allowed for an unsigned 12-bit integer");
1973         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1974                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1975         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1976                 "Check 0 is allowed for an unsigned 12-bit integer");
1977
1978         string = bt_ctf_field_create(string_type);
1979         ok(string, "Instanciate a string field");
1980         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1981                 "Set a string's value");
1982
1983         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1984         ok(enumeration_type,
1985                 "Create an enumeration type with an unsigned 12-bit integer as container");
1986         enumeration = bt_ctf_field_create(enumeration_type);
1987         ok(!enumeration,
1988                 "Check enumeration types are validated before instantiation");
1989
1990         bt_put(string);
1991         bt_put(uint_12);
1992         bt_put(int_16);
1993         bt_put(enumeration);
1994         bt_put(composite_structure_type);
1995         bt_put(structure_seq_type);
1996         bt_put(string_type);
1997         bt_put(sequence_type);
1998         bt_put(uint_8_type);
1999         bt_put(int_16_type);
2000         bt_put(uint_12_type);
2001         bt_put(enumeration_type);
2002         bt_put(returned_type);
2003 }
2004
2005 static
2006 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2007                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2008 {
2009         /*
2010          * Append enough events to force the underlying packet to be resized.
2011          * Also tests that a new event can be declared after a stream has been
2012          * instantiated and used/flushed.
2013          */
2014         int ret = 0;
2015         int i;
2016         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2017                 "Spammy_Event");
2018         struct bt_ctf_field_type *integer_type =
2019                 bt_ctf_field_type_integer_create(17);
2020         struct bt_ctf_field_type *string_type =
2021                 bt_ctf_field_type_string_create();
2022         struct bt_ctf_event *event = NULL;
2023         struct bt_ctf_field *ret_field = NULL;
2024         struct bt_ctf_field_type *ret_field_type = NULL;
2025         uint64_t ret_uint64;
2026         int events_appended = 0;
2027         struct bt_ctf_field *packet_context = NULL,
2028                 *packet_context_field = NULL, *stream_event_context = NULL;
2029         struct bt_ctf_field_type *ep_field_1_type = NULL;
2030         struct bt_ctf_field_type *ep_a_string_type = NULL;
2031         struct bt_ctf_field_type *ep_type = NULL;
2032
2033         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2034                 "field_1");
2035         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2036                 "a_string");
2037         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2038         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2039         if (ret) {
2040                 goto end;
2041         }
2042
2043         /*
2044          * bt_ctf_stream_class_add_event_class() copies the field types
2045          * of event_class, so we retrieve the new ones to create the
2046          * appropriate fields.
2047          */
2048         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2049         assert(ep_type);
2050         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2051                 ep_type, "field_1");
2052         assert(ep_field_1_type);
2053         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2054                 ep_type, "a_string");
2055         assert(ep_a_string_type);
2056
2057         event = bt_ctf_event_create(event_class);
2058         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2059         ret_field_type = bt_ctf_field_get_type(ret_field);
2060         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2061                 "bt_ctf_event_get_payload_by_index returns a correct field");
2062         bt_put(ret_field_type);
2063         bt_put(ret_field);
2064
2065         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2066                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2067         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2068                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2069         bt_put(event);
2070
2071         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2072                 event = bt_ctf_event_create(event_class);
2073                 struct bt_ctf_field *integer =
2074                         bt_ctf_field_create(ep_field_1_type);
2075                 struct bt_ctf_field *string =
2076                         bt_ctf_field_create(ep_a_string_type);
2077
2078                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2079                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2080                 ret |= bt_ctf_event_set_payload(event, "field_1",
2081                         integer);
2082                 bt_put(integer);
2083                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2084                 ret |= bt_ctf_event_set_payload(event, "a_string",
2085                         string);
2086                 bt_put(string);
2087
2088                 /* Populate stream event context */
2089                 stream_event_context =
2090                         bt_ctf_event_get_stream_event_context(event);
2091                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2092                         "common_event_context");
2093                 BT_PUT(stream_event_context);
2094                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2095                         i % 42);
2096                 bt_put(integer);
2097
2098                 ret |= bt_ctf_stream_append_event(stream, event);
2099                 bt_put(event);
2100
2101                 if (ret) {
2102                         break;
2103                 }
2104         }
2105
2106         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2107         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2108                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2109         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2110                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2111         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2112         ok(ret == 0 && ret_uint64 == 0,
2113                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2114         bt_ctf_stream_append_discarded_events(stream, 1000);
2115         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2116         ok(ret == 0 && ret_uint64 == 1000,
2117                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2118
2119 end:
2120         ok(events_appended, "Append 100 000 events to a stream");
2121
2122         /*
2123          * Populate the custom packet context field with a dummy value
2124          * otherwise flush will fail.
2125          */
2126         packet_context = bt_ctf_stream_get_packet_context(stream);
2127         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2128                 "custom_packet_context_field");
2129         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2130
2131         ok(bt_ctf_stream_flush(stream) == 0,
2132                 "Flush a stream that forces a packet resize");
2133         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2134         ok(ret == 0 && ret_uint64 == 1000,
2135                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2136         bt_put(integer_type);
2137         bt_put(string_type);
2138         bt_put(packet_context);
2139         bt_put(packet_context_field);
2140         bt_put(stream_event_context);
2141         bt_put(event_class);
2142         bt_put(ep_field_1_type);
2143         bt_put(ep_a_string_type);
2144         bt_put(ep_type);
2145 }
2146
2147 static
2148 void test_empty_stream(struct bt_ctf_writer *writer)
2149 {
2150         int ret = 0;
2151         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2152         struct bt_ctf_stream_class *stream_class = NULL;
2153         struct bt_ctf_stream *stream = NULL;
2154
2155         trace = bt_ctf_writer_get_trace(writer);
2156         if (!trace) {
2157                 diag("Failed to get trace from writer");
2158                 ret = -1;
2159                 goto end;
2160         }
2161
2162         stream_class = bt_ctf_stream_class_create("empty_stream");
2163         if (!stream_class) {
2164                 diag("Failed to create stream class");
2165                 ret = -1;
2166                 goto end;
2167         }
2168
2169         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2170         assert(ret == 0);
2171         ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL);
2172         assert(ret == 0);
2173
2174         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2175                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2176         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2177                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2178
2179         stream = bt_ctf_writer_create_stream(writer, stream_class);
2180         if (!stream) {
2181                 diag("Failed to create writer stream");
2182                 ret = -1;
2183                 goto end;
2184         }
2185
2186         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2187         ok(ret_trace == trace,
2188                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2189 end:
2190         ok(ret == 0,
2191                 "Created a stream class with default attributes and an empty stream");
2192         bt_put(trace);
2193         bt_put(ret_trace);
2194         bt_put(stream);
2195         bt_put(stream_class);
2196 }
2197
2198 static
2199 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2200                         struct bt_ctf_clock *clock)
2201 {
2202         int i, ret;
2203         struct bt_ctf_stream_class *stream_class = NULL;
2204         struct bt_ctf_stream *stream = NULL;
2205         struct bt_ctf_field_type *integer_type = NULL,
2206                 *sequence_type = NULL, *event_header_type = NULL;
2207         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2208                 *event_header = NULL, *packet_header = NULL;
2209         struct bt_ctf_event_class *event_class = NULL;
2210         struct bt_ctf_event *event = NULL;
2211
2212         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2213         if (!stream_class) {
2214                 fail("Failed to create stream class");
2215                 goto end;
2216         }
2217
2218         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2219         if (ret) {
2220                 fail("Failed to set stream class clock");
2221                 goto end;
2222         }
2223
2224         /*
2225          * Customize event header to add an "seq_len" integer member
2226          * which will be used as the length of a sequence in an event of this
2227          * stream.
2228          */
2229         event_header_type = bt_ctf_stream_class_get_event_header_type(
2230                 stream_class);
2231         if (!event_header_type) {
2232                 fail("Failed to get event header type");
2233                 goto end;
2234         }
2235
2236         integer_type = bt_ctf_field_type_integer_create(13);
2237         if (!integer_type) {
2238                 fail("Failed to create length integer type");
2239                 goto end;
2240         }
2241
2242         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2243                 integer_type, "seq_len");
2244         if (ret) {
2245                 fail("Failed to add a new field to stream event header");
2246                 goto end;
2247         }
2248
2249         event_class = bt_ctf_event_class_create("sequence_event");
2250         if (!event_class) {
2251                 fail("Failed to create event class");
2252                 goto end;
2253         }
2254
2255         /*
2256          * This event's payload will contain a sequence which references
2257          * stream.event.header.seq_len as its length field.
2258          */
2259         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2260                 "stream.event.header.seq_len");
2261         if (!sequence_type) {
2262                 fail("Failed to create a sequence");
2263                 goto end;
2264         }
2265
2266         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2267                 "some_sequence");
2268         if (ret) {
2269                 fail("Failed to add a sequence to an event class");
2270                 goto end;
2271         }
2272
2273         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2274         if (ret) {
2275                 fail("Failed to add event class to stream class");
2276                 goto end;
2277         }
2278
2279         stream = bt_ctf_writer_create_stream(writer, stream_class);
2280         if (!stream) {
2281                 fail("Failed to create stream")
2282                 goto end;
2283         }
2284
2285         /*
2286          * We have defined a custom packet header field. We have to populate it
2287          * explicitly.
2288          */
2289         packet_header = bt_ctf_stream_get_packet_header(stream);
2290         if (!packet_header) {
2291                 fail("Failed to get stream packet header");
2292                 goto end;
2293         }
2294
2295         integer = bt_ctf_field_structure_get_field(packet_header,
2296                 "custom_trace_packet_header_field");
2297         if (!integer) {
2298                 fail("Failed to retrieve custom_trace_packet_header_field");
2299                 goto end;
2300         }
2301
2302         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2303         if (ret) {
2304                 fail("Failed to set custom_trace_packet_header_field value");
2305                 goto end;
2306         }
2307         bt_put(integer);
2308
2309         event = bt_ctf_event_create(event_class);
2310         if (!event) {
2311                 fail("Failed to create event");
2312                 goto end;
2313         }
2314
2315         event_header = bt_ctf_event_get_header(event);
2316         if (!event_header) {
2317                 fail("Failed to get event header");
2318                 goto end;
2319         }
2320
2321         integer = bt_ctf_field_structure_get_field(event_header,
2322                 "seq_len");
2323         if (!integer) {
2324                 fail("Failed to get seq_len field from event header");
2325                 goto end;
2326         }
2327
2328         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2329         if (ret) {
2330                 fail("Failed to set seq_len value in event header");
2331                 goto end;
2332         }
2333
2334         /* Populate both sequence integer fields */
2335         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2336         if (!sequence) {
2337                 fail("Failed to retrieve sequence from event");
2338                 goto end;
2339         }
2340
2341         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2342         if (ret) {
2343                 fail("Failed to set sequence length");
2344                 goto end;
2345         }
2346         bt_put(integer);
2347
2348         for (i = 0; i < 2; i++) {
2349                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2350                 if (ret) {
2351                         fail("Failed to retrieve sequence element");
2352                         goto end;
2353                 }
2354
2355                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2356                 if (ret) {
2357                         fail("Failed to set sequence element value");
2358                         goto end;
2359                 }
2360
2361                 bt_put(integer);
2362                 integer = NULL;
2363         }
2364
2365         ret = bt_ctf_stream_append_event(stream, event);
2366         if (ret) {
2367                 fail("Failed to append event to stream");
2368                 goto end;
2369         }
2370
2371         ret = bt_ctf_stream_flush(stream);
2372         if (ret) {
2373                 fail("Failed to flush custom_event_header stream");
2374         }
2375 end:
2376         bt_put(stream);
2377         bt_put(stream_class);
2378         bt_put(event_class);
2379         bt_put(event);
2380         bt_put(integer);
2381         bt_put(sequence);
2382         bt_put(event_header);
2383         bt_put(packet_header);
2384         bt_put(sequence_type);
2385         bt_put(integer_type);
2386         bt_put(event_header_type);
2387 }
2388
2389 static
2390 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2391                 struct bt_ctf_clock *clock)
2392 {
2393         int ret = 0;
2394         struct bt_ctf_stream_class *stream_class = NULL;
2395         struct bt_ctf_stream *stream = NULL,
2396                 *ret_stream = NULL;
2397         struct bt_ctf_event_class *event_class = NULL;
2398         struct bt_ctf_event *event = NULL;
2399         struct bt_ctf_field_type *integer_type = NULL;
2400         struct bt_ctf_field *integer = NULL;
2401
2402         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2403         if (!stream_class) {
2404                 diag("Failed to create stream class");
2405                 ret = -1;
2406                 goto end;
2407         }
2408
2409         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2410         if (ret) {
2411                 diag("Failed to set stream class clock");
2412                 goto end;
2413         }
2414
2415         event_class = bt_ctf_event_class_create("some_event_class_name");
2416         integer_type = bt_ctf_field_type_integer_create(32);
2417         if (!integer_type) {
2418                 diag("Failed to create integer field type");
2419                 ret = -1;
2420                 goto end;
2421         }
2422
2423         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2424                 "integer_field");
2425         if (ret) {
2426                 diag("Failed to add field to event class");
2427                 goto end;
2428         }
2429
2430         ret = bt_ctf_stream_class_add_event_class(stream_class,
2431                 event_class);
2432         if (ret) {
2433                 diag("Failed to add event class to stream class");
2434         }
2435
2436         event = bt_ctf_event_create(event_class);
2437         if (!event) {
2438                 diag("Failed to create event");
2439                 ret = -1;
2440                 goto end;
2441         }
2442
2443         integer = bt_ctf_event_get_payload_by_index(event, 0);
2444         if (!integer) {
2445                 diag("Failed to get integer field payload from event");
2446                 ret = -1;
2447                 goto end;
2448         }
2449
2450         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2451         if (ret) {
2452                 diag("Failed to set integer field value");
2453                 goto end;
2454         }
2455
2456         stream = bt_ctf_writer_create_stream(writer, stream_class);
2457         if (!stream) {
2458                 diag("Failed to create writer stream");
2459                 ret = -1;
2460                 goto end;
2461         }
2462
2463         ok(bt_ctf_event_get_stream(NULL) == NULL,
2464                 "bt_ctf_event_get_stream handles NULL correctly");
2465         ok(bt_ctf_event_get_stream(event) == NULL,
2466                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2467
2468         ret = bt_ctf_stream_append_event(stream, event);
2469         if (ret) {
2470                 diag("Failed to append event to stream");
2471                 goto end;
2472         }
2473
2474         ret_stream = bt_ctf_event_get_stream(event);
2475         ok(ret_stream == stream,
2476                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2477 end:
2478         ok(ret == 0,
2479                 "Create an event before instanciating its associated stream");
2480         bt_put(stream);
2481         bt_put(ret_stream);
2482         bt_put(stream_class);
2483         bt_put(event_class);
2484         bt_put(event);
2485         bt_put(integer_type);
2486         bt_put(integer);
2487 }
2488
2489 static
2490 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2491 {
2492         struct bt_ctf_event_class *event_class;
2493
2494         event_class = bt_ctf_event_class_create("Simple Event");
2495         assert(event_class);
2496         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2497                 "two event classes with the same name may cohabit within the same stream class");
2498         bt_put(event_class);
2499
2500         event_class = bt_ctf_event_class_create("different name, ok");
2501         assert(event_class);
2502         assert(!bt_ctf_event_class_set_id(event_class, 11));
2503         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2504                 "two event classes with the same ID cannot cohabit within the same stream class");
2505         bt_put(event_class);
2506 }
2507
2508 static
2509 struct bt_ctf_event_class *create_minimal_event_class(void)
2510 {
2511         struct bt_ctf_event_class *ec = NULL;
2512         struct bt_ctf_field_type *int_ft = NULL;
2513         int ret;
2514
2515         int_ft = bt_ctf_field_type_integer_create(23);
2516         assert(int_ft);
2517         ec = bt_ctf_event_class_create("minimal");
2518         assert(ec);
2519         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2520         assert(!ret);
2521         BT_PUT(int_ft);
2522
2523         return ec;
2524 }
2525
2526 static
2527 void test_create_writer_vs_non_writer_mode(void)
2528 {
2529         int ret;
2530         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2531         const char *writer_stream_name = "writer stream instance";
2532         struct bt_ctf_writer *writer = NULL;
2533         struct bt_ctf_trace *writer_trace = NULL;
2534         struct bt_ctf_stream_class *writer_sc = NULL;
2535         struct bt_ctf_stream *writer_stream = NULL;
2536         struct bt_ctf_stream *writer_stream2 = NULL;
2537         struct bt_ctf_stream *packet_stream = NULL;
2538         struct bt_ctf_trace *non_writer_trace = NULL;
2539         struct bt_ctf_stream_class *non_writer_sc = NULL;
2540         struct bt_ctf_stream *non_writer_stream = NULL;
2541         struct bt_ctf_stream *non_writer_stream2 = NULL;
2542         struct bt_ctf_event_class *writer_ec = NULL;
2543         struct bt_ctf_event_class *non_writer_ec = NULL;
2544         struct bt_ctf_event *event = NULL;
2545         struct bt_ctf_event *event2 = NULL;
2546         struct bt_ctf_field_type *empty_struct_ft = NULL;
2547         struct bt_ctf_field *int_field = NULL;
2548         struct bt_ctf_clock *writer_clock = NULL;
2549         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2550         struct bt_ctf_packet *packet = NULL;
2551         struct bt_ctf_packet *packet2 = NULL;
2552
2553         if (!bt_mkdtemp(trace_path)) {
2554                 perror("# perror");
2555         }
2556
2557         /* Create empty structure field type (event header) */
2558         empty_struct_ft = bt_ctf_field_type_structure_create();
2559         assert(empty_struct_ft);
2560
2561         /* Create writer, writer stream class, stream, and clock */
2562         writer = bt_ctf_writer_create(trace_path);
2563         assert(writer);
2564         writer_clock = bt_ctf_clock_create("writer_clock");
2565         assert(writer_clock);
2566         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2567         assert(!ret);
2568         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2569         assert(!ret);
2570         writer_trace = bt_ctf_writer_get_trace(writer);
2571         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2572         writer_sc = bt_ctf_stream_class_create("writer_sc");
2573         assert(writer_sc);
2574         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2575                 empty_struct_ft);
2576         assert(!ret);
2577         ret = bt_ctf_stream_class_set_clock(writer_sc, writer_clock);
2578         assert(!ret);
2579         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2580         assert(!ret);
2581         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2582         assert(writer_stream);
2583         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2584                 "bt_ctf_stream_get_name() returns the stream's name");
2585
2586         /* Create non-writer trace, stream class, stream, and clock */
2587         non_writer_trace = bt_ctf_trace_create();
2588         assert(non_writer_trace);
2589         ret = bt_ctf_trace_set_native_byte_order(non_writer_trace,
2590                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2591         assert(!ret);
2592         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2593         assert(non_writer_sc);
2594         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2595                 empty_struct_ft);
2596         assert(!ret);
2597         ret = bt_ctf_stream_class_set_packet_context_type(non_writer_sc, NULL);
2598         assert(!ret);
2599         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2600         assert(!ret);
2601         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2602         assert(non_writer_stream);
2603         non_writer_clock_class =
2604                 bt_ctf_clock_class_create("non_writer_clock_class");
2605         assert(non_writer_clock_class);
2606         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2607                 non_writer_clock_class);
2608         assert(!ret);
2609
2610         /* Create event class and event */
2611         writer_ec = create_minimal_event_class();
2612         assert(writer_ec);
2613         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2614         assert(!ret);
2615         event = bt_ctf_event_create(writer_ec);
2616         assert(event);
2617         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2618         assert(int_field);
2619         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2620
2621         /*
2622          * Verify non-writer stream: it should be impossible to append
2623          * an event to it.
2624          */
2625         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2626                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2627
2628         /*
2629          * Verify writer stream: it should be possible to append an
2630          * event to it.
2631          */
2632         ok(!bt_ctf_stream_append_event(writer_stream, event),
2633                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2634
2635         /*
2636          * It should be possible to create a packet from a non-writer
2637          * stream, but not from a writer stream.
2638          */
2639         packet = bt_ctf_packet_create(writer_stream);
2640         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2641         packet = bt_ctf_packet_create(non_writer_stream);
2642         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2643         packet_stream = bt_ctf_packet_get_stream(packet);
2644         ok(packet_stream == non_writer_stream,
2645                 "bt_ctf_packet_get_stream() returns the correct stream");
2646
2647         /*
2648          * It should not be possible to append an event associated to
2649          * a stream to a different stream.
2650          */
2651         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2652         assert(writer_stream2);
2653         ok(bt_ctf_stream_append_event(writer_stream2, event),
2654                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2655
2656         /*
2657          * It should not be possible to set the packet of an event
2658          * associated to a given stream to a packet associated with
2659          * a different stream.
2660          */
2661         ok(bt_ctf_event_set_packet(event, packet),
2662                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2663
2664         /*
2665          * It should be possible to set the packet of a fresh event, as
2666          * long as the originating stream classes are the same.
2667          */
2668         event2 = bt_ctf_event_create(writer_ec);
2669         assert(event2);
2670         ok(bt_ctf_event_set_packet(event2, packet),
2671                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2672         non_writer_ec = create_minimal_event_class();
2673         assert(non_writer_ec);
2674         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2675         assert(!ret);
2676         BT_PUT(event2);
2677         event2 = bt_ctf_event_create(non_writer_ec);
2678         assert(event2);
2679         ok(!bt_ctf_event_set_packet(event2, packet),
2680                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2681
2682         /*
2683          * It should be possible to set a packet created from the same
2684          * stream to an event with an existing packet.
2685          */
2686         packet2 = bt_ctf_packet_create(non_writer_stream);
2687         assert(packet2);
2688         ok(!bt_ctf_event_set_packet(event2, packet2),
2689                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2690         BT_PUT(packet2);
2691
2692         /*
2693          * It should not be possible to set a packet created from a
2694          * different stream to an event with an existing packet.
2695          */
2696         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2697         assert(non_writer_stream2);
2698         packet2 = bt_ctf_packet_create(non_writer_stream);
2699         assert(packet2);
2700         ok(!bt_ctf_event_set_packet(event2, packet2),
2701                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2702
2703         bt_put(writer);
2704         bt_put(writer_trace);
2705         bt_put(writer_sc);
2706         bt_put(writer_stream);
2707         bt_put(writer_stream2);
2708         bt_put(non_writer_trace);
2709         bt_put(non_writer_sc);
2710         bt_put(non_writer_stream);
2711         bt_put(non_writer_stream2);
2712         bt_put(packet_stream);
2713         bt_put(writer_ec);
2714         bt_put(non_writer_ec);
2715         bt_put(event);
2716         bt_put(event2);
2717         bt_put(int_field);
2718         bt_put(empty_struct_ft);
2719         bt_put(writer_clock);
2720         bt_put(non_writer_clock_class);
2721         bt_put(packet);
2722         bt_put(packet2);
2723         recursive_rmdir(trace_path);
2724 }
2725
2726 static
2727 void test_clock_utils(void)
2728 {
2729         int ret;
2730         struct bt_ctf_clock *clock = NULL;
2731
2732         clock = bt_ctf_clock_create("water");
2733         assert(clock);
2734         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2735         assert(!ret);
2736         ret = bt_ctf_clock_set_offset(clock, 1000);
2737         assert(!ret);
2738         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2739         assert(!ret);
2740         ret = bt_ctf_clock_set_frequency(clock, 1534);
2741         assert(!ret);
2742
2743         BT_PUT(clock);
2744 }
2745
2746 void test_set_clock_non_writer_stream_class(void)
2747 {
2748         struct bt_ctf_clock *clock;
2749         struct bt_ctf_trace *trace;
2750         struct bt_ctf_stream_class *sc;
2751         int ret;
2752
2753         clock = bt_ctf_clock_create("the_clock");
2754         assert(clock);
2755
2756         trace = bt_ctf_trace_create();
2757         assert(trace);
2758
2759         sc = bt_ctf_stream_class_create(NULL);
2760         assert(sc);
2761
2762         ret = bt_ctf_stream_class_set_clock(sc, clock);
2763         assert(ret == 0);
2764
2765         ret = bt_ctf_trace_add_stream_class(trace, sc);
2766         ok(ret < 0,
2767                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2768
2769         bt_put(clock);
2770         bt_put(trace);
2771         bt_put(sc);
2772 }
2773
2774 static
2775 void test_static_trace(void)
2776 {
2777         struct bt_ctf_trace *trace;
2778         struct bt_ctf_stream_class *stream_class;
2779         struct bt_ctf_stream_class *stream_class2;
2780         struct bt_ctf_stream *stream;
2781         struct bt_ctf_clock_class *clock_class;
2782         int ret;
2783
2784         trace = bt_ctf_trace_create();
2785         assert(trace);
2786         ret = bt_ctf_trace_set_native_byte_order(trace,
2787                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2788         assert(ret == 0);
2789         stream_class = bt_ctf_stream_class_create(NULL);
2790         assert(stream_class);
2791         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2792         assert(ret == 0);
2793         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2794         assert(ret == 0);
2795         stream = bt_ctf_stream_create(stream_class, "hello");
2796         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2797         bt_put(stream);
2798         ok(!bt_ctf_trace_is_static(trace),
2799                 "bt_ctf_trace_is_static() returns the expected value");
2800         ok(bt_ctf_trace_set_is_static(trace) == 0,
2801                 "bt_ctf_trace_set_is_static() succeeds");
2802         ok(bt_ctf_trace_is_static(trace),
2803                 "bt_ctf_trace_is_static() returns the expected value");
2804         clock_class = bt_ctf_clock_class_create("yes");
2805         assert(clock_class);
2806         stream_class2 = bt_ctf_stream_class_create(NULL);
2807         assert(stream_class2);
2808         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2809                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2810         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2811                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2812         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2813                 "bt_ctf_stream_create() fails with a static trace");
2814
2815         bt_put(trace);
2816         bt_put(stream_class);
2817         bt_put(stream_class2);
2818         bt_put(clock_class);
2819 }
2820
2821 static
2822 void test_trace_uuid(void)
2823 {
2824         struct bt_ctf_trace *trace;
2825         const unsigned char uuid[] = {
2826                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2827                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2828         };
2829         const unsigned char *ret_uuid;
2830
2831         trace = bt_ctf_trace_create();
2832         assert(trace);
2833         ok(!bt_ctf_trace_get_uuid(NULL),
2834                 "bt_ctf_trace_get_uuid() handles NULL");
2835         ok(!bt_ctf_trace_get_uuid(trace),
2836                 "bt_ctf_trace_get_uuid() returns NULL initially");
2837         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2838                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2839         ok(bt_ctf_trace_set_uuid(trace, NULL),
2840                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2841         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2842                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2843         ret_uuid = bt_ctf_trace_get_uuid(trace);
2844         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2845         assert(ret_uuid);
2846         ok(memcmp(uuid, ret_uuid, 16) == 0,
2847                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2848
2849         bt_put(trace);
2850 }
2851
2852 int main(int argc, char **argv)
2853 {
2854         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2855         char metadata_path[sizeof(trace_path) + 9];
2856         const char *clock_name = "test_clock";
2857         const char *clock_description = "This is a test clock";
2858         const char *returned_clock_name;
2859         const char *returned_clock_description;
2860         const uint64_t frequency = 1123456789;
2861         const int64_t offset_s = 1351530929945824323;
2862         const int64_t offset = 1234567;
2863         int64_t get_offset_s,
2864                 get_offset;
2865         const uint64_t precision = 10;
2866         const int is_absolute = 0xFF;
2867         char *metadata_string;
2868         struct bt_ctf_writer *writer;
2869         struct utsname name;
2870         char hostname[BABELTRACE_HOST_NAME_MAX];
2871         struct bt_ctf_clock *clock, *ret_clock;
2872         struct bt_ctf_clock_class *ret_clock_class;
2873         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2874         struct bt_ctf_stream *stream1;
2875         struct bt_ctf_stream *stream;
2876         const char *ret_string;
2877         const unsigned char *ret_uuid;
2878         unsigned char tmp_uuid[16] = { 0 };
2879         struct bt_ctf_field_type *packet_context_type,
2880                 *packet_context_field_type,
2881                 *packet_header_type,
2882                 *packet_header_field_type,
2883                 *integer_type,
2884                 *stream_event_context_type,
2885                 *ret_field_type,
2886                 *event_header_field_type;
2887         struct bt_ctf_field *packet_header, *packet_header_field;
2888         struct bt_ctf_trace *trace;
2889         int ret;
2890         int64_t ret_int64_t;
2891         struct bt_value *obj;
2892
2893         if (argc < 2) {
2894                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2895                 return -1;
2896         }
2897
2898         plan_tests(NR_TESTS);
2899
2900         if (!bt_mkdtemp(trace_path)) {
2901                 perror("# perror");
2902         }
2903
2904         strcpy(metadata_path, trace_path);
2905         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2906
2907         writer = bt_ctf_writer_create(trace_path);
2908         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2909
2910         ok(!bt_ctf_writer_get_trace(NULL),
2911                 "bt_ctf_writer_get_trace correctly handles NULL");
2912         trace = bt_ctf_writer_get_trace(writer);
2913         ok(trace,
2914                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2915         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2916                 "Set a trace's byte order to big endian");
2917         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2918                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2919
2920         /* Add environment context to the trace */
2921         ret = gethostname(hostname, sizeof(hostname));
2922         if (ret < 0) {
2923                 return ret;
2924         }
2925         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2926                 "Add host (%s) environment field to writer instance",
2927                 hostname);
2928         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2929                 "test_value"),
2930                 "bt_ctf_writer_add_environment_field error with NULL writer");
2931         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2932                 "test_value"),
2933                 "bt_ctf_writer_add_environment_field error with NULL field name");
2934         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2935                 NULL),
2936                 "bt_ctf_writer_add_environment_field error with NULL field value");
2937
2938         /* Test bt_ctf_trace_set_environment_field with an integer object */
2939         obj = bt_value_integer_create_init(23);
2940         assert(obj);
2941         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2942                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2943         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2944                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2945         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2946                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2947         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2948                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2949         BT_PUT(obj);
2950
2951         /* Test bt_ctf_trace_set_environment_field with a string object */
2952         obj = bt_value_string_create_init("the value");
2953         assert(obj);
2954         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2955                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2956         BT_PUT(obj);
2957
2958         /* Test bt_ctf_trace_set_environment_field_integer */
2959         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2960                 -194875),
2961                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2962         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2963                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2964         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2965                 -164973),
2966                 "bt_ctf_trace_set_environment_field_integer succeeds");
2967
2968         /* Test bt_ctf_trace_set_environment_field_string */
2969         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2970                 "yeah"),
2971                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2972         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2973                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2974         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2975                 NULL),
2976                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2977         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2978                 "oh yeah"),
2979                 "bt_ctf_trace_set_environment_field_string succeeds");
2980
2981         /* Test bt_ctf_trace_get_environment_field_count */
2982         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2983                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2984         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2985                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2986
2987         /* Test bt_ctf_trace_get_environment_field_name */
2988         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2989                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2990         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2991                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2992         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2993         ok(ret_string && !strcmp(ret_string, "host"),
2994                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2995         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2996         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2997                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2998         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2999         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3000                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3001         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
3002         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3003                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3004         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
3005         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3006                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3007
3008         /* Test bt_ctf_trace_get_environment_field_value */
3009         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
3010                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3011         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3012                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3013         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3014         ret = bt_value_integer_get(obj, &ret_int64_t);
3015         ok(!ret && ret_int64_t == 23,
3016                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3017         BT_PUT(obj);
3018         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3019         ret = bt_value_string_get(obj, &ret_string);
3020         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3021                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3022         BT_PUT(obj);
3023
3024         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3025         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3026                 "test_env_str"),
3027                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3028         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3029                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3030         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3031                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3032         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3033                 "test_env_str");
3034         ret = bt_value_string_get(obj, &ret_string);
3035         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3036                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3037         BT_PUT(obj);
3038
3039         /* Test environment field replacement */
3040         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3041                 654321),
3042                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3043         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3044                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3045         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3046         ret = bt_value_integer_get(obj, &ret_int64_t);
3047         ok(!ret && ret_int64_t == 654321,
3048                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3049         BT_PUT(obj);
3050
3051         /* On Solaris, uname() can return any positive value on success */
3052         if (uname(&name) < 0) {
3053                 perror("uname");
3054                 return -1;
3055         }
3056
3057         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3058                 == 0, "Add sysname (%s) environment field to writer instance",
3059                 name.sysname);
3060         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3061                 name.nodename) == 0,
3062                 "Add nodename (%s) environment field to writer instance",
3063                 name.nodename);
3064         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3065                 == 0, "Add release (%s) environment field to writer instance",
3066                 name.release);
3067         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3068                 == 0, "Add version (%s) environment field to writer instance",
3069                 name.version);
3070         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3071                 == 0, "Add machine (%s) environment field to writer istance",
3072                 name.machine);
3073
3074         /* Define a clock and add it to the trace */
3075         ok(bt_ctf_clock_create("signed") == NULL,
3076                 "Illegal clock name rejected");
3077         clock = bt_ctf_clock_create(clock_name);
3078         ok(clock, "Clock created sucessfully");
3079         returned_clock_name = bt_ctf_clock_get_name(clock);
3080         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3081         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3082                 "Returned clock name is valid");
3083
3084         returned_clock_description = bt_ctf_clock_get_description(clock);
3085         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3086         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3087                 "Clock description set successfully");
3088
3089         returned_clock_description = bt_ctf_clock_get_description(clock);
3090         ok(returned_clock_description,
3091                 "bt_ctf_clock_get_description returns a description.");
3092         ok(returned_clock_description ?
3093                 !strcmp(returned_clock_description, clock_description) : 0,
3094                 "Returned clock description is valid");
3095
3096         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3097                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3098         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3099                 "Set clock frequency");
3100         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3101                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3102
3103         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3104                 "bt_ctf_clock_get_offset_s succeeds");
3105         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3106                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3107         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3108                 "Set clock offset (seconds)");
3109         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3110                 "bt_ctf_clock_get_offset_s succeeds");
3111         ok(get_offset_s == offset_s,
3112                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3113
3114         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3115                 "bt_ctf_clock_get_offset succeeds");
3116         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3117                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3118         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3119         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3120                 "bt_ctf_clock_get_offset succeeds");
3121         ok(get_offset == offset,
3122                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3123
3124         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3125                 "bt_ctf_clock_get_precision returns the correct default precision");
3126         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3127                 "Set clock precision");
3128         ok(bt_ctf_clock_get_precision(clock) == precision,
3129                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3130
3131         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3132                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3133         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3134                 "Set clock absolute property");
3135         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3136                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3137
3138         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3139                 "Set clock time");
3140
3141         ok(!bt_ctf_clock_get_name(NULL),
3142                 "bt_ctf_clock_get_name correctly handles NULL");
3143         ok(!bt_ctf_clock_get_description(NULL),
3144                 "bt_ctf_clock_get_description correctly handles NULL");
3145         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3146                 "bt_ctf_clock_get_frequency correctly handles NULL");
3147         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3148                 "bt_ctf_clock_get_precision correctly handles NULL");
3149         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3150                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3151         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3152                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3153         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3154                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3155         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3156                 "bt_ctf_clock_get_offset correctly handles NULL output");
3157         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3158                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3159
3160         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3161                 "bt_ctf_clock_set_description correctly handles NULL clock");
3162         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3163                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3164         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3165                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3166         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3167                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3168         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3169                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3170         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3171                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3172         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3173                 "bt_ctf_clock_set_time correctly handles NULL clock");
3174         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3175                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3176         ret_uuid = bt_ctf_clock_get_uuid(clock);
3177         ok(ret_uuid,
3178                 "bt_ctf_clock_get_uuid returns a UUID");
3179         if (ret_uuid) {
3180                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3181                 /* Slightly modify UUID */
3182                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3183         }
3184
3185         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3186                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3187         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3188                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3189         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3190                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3191         ret_uuid = bt_ctf_clock_get_uuid(clock);
3192         ok(ret_uuid,
3193                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3194         ok(uuid_match(ret_uuid, tmp_uuid),
3195                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3196
3197         /* Define a stream class */
3198         stream_class = bt_ctf_stream_class_create("test_stream");
3199
3200         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3201                 "bt_ctf_stream_class_get_name handles NULL correctly");
3202         ret_string = bt_ctf_stream_class_get_name(stream_class);
3203         ok(ret_string && !strcmp(ret_string, "test_stream"),
3204                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3205
3206         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3207                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3208         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3209                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3210
3211         ok(stream_class, "Create stream class");
3212         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3213                 "Set a stream class' clock");
3214         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3215         ok(ret_clock == clock,
3216                 "bt_ctf_stream_class_get_clock returns a correct clock");
3217         bt_put(ret_clock);
3218
3219         /* Test the event fields and event types APIs */
3220         type_field_tests();
3221
3222         /* Test fields copying */
3223         field_copy_tests();
3224
3225         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3226                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3227         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3228                 "bt_ctf_stream_class_get_id handles NULL correctly");
3229         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3230                 "bt_ctf_stream_class_set_id handles NULL correctly");
3231         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3232                 "Set an stream class' id");
3233         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3234                 "bt_ctf_stream_class_get_id returns the correct value");
3235
3236         /* Validate default event header fields */
3237         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3238                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3239         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3240                 stream_class);
3241         ok(ret_field_type,
3242                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3243         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3244                 "Default event header type is a structure");
3245         event_header_field_type =
3246                 bt_ctf_field_type_structure_get_field_type_by_name(
3247                 ret_field_type, "id");
3248         ok(event_header_field_type,
3249                 "Default event header type contains an \"id\" field");
3250         ok(bt_ctf_field_type_get_type_id(
3251                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3252                 "Default event header \"id\" field is an integer");
3253         bt_put(event_header_field_type);
3254         event_header_field_type =
3255                 bt_ctf_field_type_structure_get_field_type_by_name(
3256                 ret_field_type, "timestamp");
3257         ok(event_header_field_type,
3258                 "Default event header type contains a \"timestamp\" field");
3259         ok(bt_ctf_field_type_get_type_id(
3260                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3261                 "Default event header \"timestamp\" field is an integer");
3262         bt_put(event_header_field_type);
3263         bt_put(ret_field_type);
3264
3265         /* Add a custom trace packet header field */
3266         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3267                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3268         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3269         ok(packet_header_type,
3270                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3271         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3272                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3273         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3274                 packet_header_type, "magic");
3275         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3276         bt_put(ret_field_type);
3277         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3278                 packet_header_type, "uuid");
3279         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3280         bt_put(ret_field_type);
3281         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3282                 packet_header_type, "stream_id");
3283         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3284         bt_put(ret_field_type);
3285
3286         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3287         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3288                 packet_header_field_type, "custom_trace_packet_header_field"),
3289                 "Added a custom trace packet header field successfully");
3290
3291         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3292                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3293         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3294                 "Set a trace packet_header_type successfully");
3295
3296         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3297                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3298
3299         /* Add a custom field to the stream class' packet context */
3300         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3301         ok(packet_context_type,
3302                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3303         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3304                 "Packet context is a structure");
3305
3306         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3307                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3308
3309         integer_type = bt_ctf_field_type_integer_create(32);
3310         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3311                 integer_type) < 0,
3312                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3313         /* Create a "uint5_t" equivalent custom packet context field */
3314         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3315
3316         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3317                 packet_context_field_type, "custom_packet_context_field");
3318         ok(ret == 0, "Packet context field added successfully");
3319
3320         /* Define a stream event context containing a my_integer field. */
3321         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3322                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3323         stream_event_context_type = bt_ctf_field_type_structure_create();
3324         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3325                 integer_type, "common_event_context");
3326
3327         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3328                 stream_event_context_type) < 0,
3329                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3330         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3331                 integer_type) < 0,
3332                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3333
3334         ok(bt_ctf_stream_class_set_event_context_type(
3335                 stream_class, stream_event_context_type) == 0,
3336                 "Set a new stream event context type");
3337         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3338                 stream_class);
3339         ok(ret_field_type == stream_event_context_type,
3340                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3341         bt_put(ret_field_type);
3342
3343         /* Instantiate a stream and append events */
3344         ret = bt_ctf_writer_add_clock(writer, clock);
3345         assert(ret == 0);
3346         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3347                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3348         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3349         ok(stream1, "Instanciate a stream class from writer");
3350         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3351                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3352         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3353         ok(stream == stream1,
3354                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3355         BT_PUT(stream);
3356
3357         /*
3358          * Creating a stream through a writer adds the given stream
3359          * class to the writer's trace, thus registering the stream
3360          * class's clock to the trace.
3361          */
3362         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3363                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3364         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3365                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3366         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3367                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3368         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3369                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3370         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3371         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3372                 bt_ctf_clock_get_name(clock)) == 0,
3373                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3374         bt_put(ret_clock_class);
3375         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3376                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3377         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3378                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3379         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3380                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3381         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3382         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3383                 bt_ctf_clock_get_name(clock)) == 0,
3384                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3385         bt_put(ret_clock_class);
3386         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3387                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3388
3389         ok(bt_ctf_stream_get_class(NULL) == NULL,
3390                 "bt_ctf_stream_get_class correctly handles NULL");
3391         ret_stream_class = bt_ctf_stream_get_class(stream1);
3392         ok(ret_stream_class,
3393                 "bt_ctf_stream_get_class returns a stream class");
3394         ok(ret_stream_class == stream_class,
3395                 "Returned stream class is of the correct type");
3396
3397         /*
3398          * Packet header, packet context, event header, and stream
3399          * event context types were copied for the resolving
3400          * process
3401          */
3402         BT_PUT(packet_header_type);
3403         BT_PUT(packet_context_type);
3404         BT_PUT(stream_event_context_type);
3405         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3406         assert(packet_header_type);
3407         packet_context_type =
3408                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3409         assert(packet_context_type);
3410         stream_event_context_type =
3411                 bt_ctf_stream_class_get_event_context_type(stream_class);
3412         assert(stream_event_context_type);
3413
3414         /*
3415          * Try to modify the packet context type after a stream has been
3416          * created.
3417          */
3418         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3419                 packet_header_field_type, "should_fail");
3420         ok(ret < 0,
3421                 "Trace packet header type can't be modified once a stream has been instanciated");
3422
3423         /*
3424          * Try to modify the packet context type after a stream has been
3425          * created.
3426          */
3427         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3428                 packet_context_field_type, "should_fail");
3429         ok(ret < 0,
3430                 "Packet context type can't be modified once a stream has been instanciated");
3431
3432         /*
3433          * Try to modify the stream event context type after a stream has been
3434          * created.
3435          */
3436         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3437                 integer_type, "should_fail");
3438         ok(ret < 0,
3439                 "Stream event context type can't be modified once a stream has been instanciated");
3440
3441         /* Should fail after instanciating a stream (frozen) */
3442         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3443                 "Changes to a stream class that was already instantiated fail");
3444
3445         /* Populate the custom packet header field only once for all tests */
3446         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3447                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3448         packet_header = bt_ctf_stream_get_packet_header(stream1);
3449         ok(packet_header,
3450                 "bt_ctf_stream_get_packet_header returns a packet header");
3451         ret_field_type = bt_ctf_field_get_type(packet_header);
3452         ok(ret_field_type == packet_header_type,
3453                 "Stream returns a packet header of the appropriate type");
3454         bt_put(ret_field_type);
3455         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3456                 "custom_trace_packet_header_field");
3457         ok(packet_header_field,
3458                 "Packet header structure contains a custom field with the appropriate name");
3459         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3460         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3461                 "Custom packet header field is of the expected type");
3462         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3463                 54321), "Set custom packet header value successfully");
3464         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3465                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3466         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3467                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3468         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3469                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3470         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3471                 "Successfully set a stream's packet header");
3472
3473         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3474                 "Add environment field to writer after stream creation");
3475
3476         test_clock_utils();
3477
3478         test_create_writer_vs_non_writer_mode();
3479
3480         test_set_clock_non_writer_stream_class();
3481
3482         test_instanciate_event_before_stream(writer, clock);
3483
3484         append_simple_event(stream_class, stream1, clock);
3485
3486         packet_resize_test(stream_class, stream1, clock);
3487
3488         append_complex_event(stream_class, stream1, clock);
3489
3490         append_existing_event_class(stream_class);
3491
3492         test_empty_stream(writer);
3493
3494         test_custom_event_header_stream(writer, clock);
3495
3496         test_static_trace();
3497
3498         test_trace_uuid();
3499
3500         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3501         ok(metadata_string, "Get metadata string");
3502
3503         bt_ctf_writer_flush_metadata(writer);
3504
3505         bt_put(clock);
3506         bt_put(ret_stream_class);
3507         bt_put(writer);
3508         bt_put(stream1);
3509         bt_put(packet_context_type);
3510         bt_put(packet_context_field_type);
3511         bt_put(integer_type);
3512         bt_put(stream_event_context_type);
3513         bt_put(ret_field_type);
3514         bt_put(packet_header_type);
3515         bt_put(packet_header_field_type);
3516         bt_put(packet_header);
3517         bt_put(packet_header_field);
3518         bt_put(trace);
3519         free(metadata_string);
3520         bt_put(stream_class);
3521
3522         validate_trace(argv[1], trace_path);
3523
3524         //recursive_rmdir(trace_path);
3525         return 0;
3526 }