tests/lib/test_ctf_writer.c

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