tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - 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-ir/stream-class.h>
  29 #include <babeltrace/ref.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/values.h>
  32 #include <unistd.h>
  33 #include <babeltrace/compat/stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <babeltrace/compat/stdio.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <babeltrace/compat/dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46 #include <sys/stat.h>
  47
  48 #define METADATA_LINE_SIZE 512
  49 #define SEQUENCE_TEST_LENGTH 10
  50 #define ARRAY_TEST_LENGTH 5
  51 #define PACKET_RESIZE_TEST_LENGTH 100000
  52
  53 #define DEFAULT_CLOCK_FREQ 1000000000
  54 #define DEFAULT_CLOCK_PRECISION 1
  55 #define DEFAULT_CLOCK_OFFSET 0
  56 #define DEFAULT_CLOCK_OFFSET_S 0
  57 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  58 #define DEFAULT_CLOCK_TIME 0
  59 #define DEFAULT_CLOCK_VALUE 0
  60
  61 #define NR_TESTS 597
  62
  63 static int64_t current_time = 42;
  64
  65 /* Return 1 if uuids match, zero if different. */
  66 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  67 {
  68         int ret = 0;
  69         int i;
  70
  71         if (!uuid_a || !uuid_b) {
  72                 goto end;
  73         }
  74
  75         for (i = 0; i < 16; i++) {
  76                 if (uuid_a[i] != uuid_b[i]) {
  77                         goto end;
  78                 }
  79         }
  80
  81         ret = 1;
  82 end:
  83         return ret;
  84 }
  85
  86 void validate_metadata(char *parser_path, char *metadata_path)
  87 {
  88         int ret = 0;
  89         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  90         int parser_output_fd = -1, metadata_fd = -1;
  91
  92         if (!metadata_path) {
  93                 ret = -1;
  94                 goto result;
  95         }
  96
  97         parser_output_fd = mkstemp(parser_output_path);
  98         metadata_fd = open(metadata_path, O_RDONLY);
  99
 100         unlink(parser_output_path);
 101
 102         if (parser_output_fd == -1 || metadata_fd == -1) {
 103                 diag("Failed create temporary files for metadata parsing.");
 104                 ret = -1;
 105                 goto result;
 106         }
 107
 108         pid_t pid = fork();
 109         if (pid) {
 110                 int status = 0;
 111                 waitpid(pid, &status, 0);
 112                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 113         } else {
 114                 /* ctf-parser-test expects a metadata string on stdin. */
 115                 ret = dup2(metadata_fd, STDIN_FILENO);
 116                 if (ret < 0) {
 117                         perror("# dup2 metadata_fd to STDIN");
 118                         goto result;
 119                 }
 120
 121                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 122                 if (ret < 0) {
 123                         perror("# dup2 parser_output_fd to STDOUT");
 124                         goto result;
 125                 }
 126
 127                 ret = dup2(parser_output_fd, STDERR_FILENO);
 128                 if (ret < 0) {
 129                         perror("# dup2 parser_output_fd to STDERR");
 130                         goto result;
 131                 }
 132
 133                 execl(parser_path, "ctf-parser-test", NULL);
 134                 perror("# Could not launch the ctf metadata parser process");
 135                 exit(-1);
 136         }
 137 result:
 138         ok(ret == 0, "Metadata string is valid");
 139
 140         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 141                 char *line;
 142                 size_t len = METADATA_LINE_SIZE;
 143                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 144
 145                 metadata_fp = fdopen(metadata_fd, "r");
 146                 if (!metadata_fp) {
 147                         perror("fdopen on metadata_fd");
 148                         goto close_fp;
 149                 }
 150                 metadata_fd = -1;
 151
 152                 parser_output_fp = fdopen(parser_output_fd, "r");
 153                 if (!parser_output_fp) {
 154                         perror("fdopen on parser_output_fd");
 155                         goto close_fp;
 156                 }
 157                 parser_output_fd = -1;
 158
 159                 line = malloc(len);
 160                 if (!line) {
 161                         diag("malloc failure");
 162                 }
 163
 164                 rewind(metadata_fp);
 165
 166                 /* Output the metadata and parser output as diagnostic */
 167                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 168                         fprintf(stderr, "# %s", line);
 169                 }
 170
 171                 rewind(parser_output_fp);
 172                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 173                         fprintf(stderr, "# %s", line);
 174                 }
 175
 176                 free(line);
 177 close_fp:
 178                 if (metadata_fp) {
 179                         if (fclose(metadata_fp)) {
 180                                 diag("fclose failure");
 181                         }
 182                 }
 183                 if (parser_output_fp) {
 184                         if (fclose(parser_output_fp)) {
 185                                 diag("fclose failure");
 186                         }
 187                 }
 188         }
 189
 190         if (parser_output_fd >= 0) {
 191                 if (close(parser_output_fd)) {
 192                         diag("close error");
 193                 }
 194         }
 195         if (metadata_fd >= 0) {
 196                 if (close(metadata_fd)) {
 197                         diag("close error");
 198                 }
 199         }
 200 }
 201
 202 void validate_trace(char *parser_path, char *trace_path)
 203 {
 204         int ret = 0;
 205         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 206         int babeltrace_output_fd = -1;
 207
 208         if (!trace_path) {
 209                 ret = -1;
 210                 goto result;
 211         }
 212
 213         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 214         unlink(babeltrace_output_path);
 215
 216         if (babeltrace_output_fd == -1) {
 217                 diag("Failed to create a temporary file for trace parsing.");
 218                 ret = -1;
 219                 goto result;
 220         }
 221
 222         pid_t pid = fork();
 223         if (pid) {
 224                 int status = 0;
 225                 waitpid(pid, &status, 0);
 226                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 227         } else {
 228                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 229                 if (ret < 0) {
 230                         perror("# dup2 babeltrace_output_fd to STDOUT");
 231                         goto result;
 232                 }
 233
 234                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 235                 if (ret < 0) {
 236                         perror("# dup2 babeltrace_output_fd to STDERR");
 237                         goto result;
 238                 }
 239
 240                 execl(parser_path, "babeltrace", trace_path, NULL);
 241                 perror("# Could not launch the babeltrace process");
 242                 exit(-1);
 243         }
 244 result:
 245         ok(ret == 0, "Babeltrace could read the resulting trace");
 246
 247         if (ret && babeltrace_output_fd >= 0) {
 248                 char *line;
 249                 size_t len = METADATA_LINE_SIZE;
 250                 FILE *babeltrace_output_fp = NULL;
 251
 252                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 253                 if (!babeltrace_output_fp) {
 254                         perror("fdopen on babeltrace_output_fd");
 255                         goto close_fp;
 256                 }
 257                 babeltrace_output_fd = -1;
 258
 259                 line = malloc(len);
 260                 if (!line) {
 261                         diag("malloc error");
 262                 }
 263                 rewind(babeltrace_output_fp);
 264                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 265                         diag("%s", line);
 266                 }
 267
 268                 free(line);
 269 close_fp:
 270                 if (babeltrace_output_fp) {
 271                         if (fclose(babeltrace_output_fp)) {
 272                                 diag("fclose error");
 273                         }
 274                 }
 275         }
 276
 277         if (babeltrace_output_fd >= 0) {
 278                 if (close(babeltrace_output_fd)) {
 279                         diag("close error");
 280                 }
 281         }
 282 }
 283
 284 void event_copy_tests(struct bt_ctf_event *event)
 285 {
 286         struct bt_ctf_event *copy;
 287         struct bt_ctf_event_class *orig_event_class;
 288         struct bt_ctf_event_class *copy_event_class;
 289         struct bt_ctf_stream *orig_stream;
 290         struct bt_ctf_stream *copy_stream;
 291         struct bt_ctf_field *orig_field;
 292         struct bt_ctf_field *copy_field;
 293
 294         /* copy */
 295         ok(!bt_ctf_event_copy(NULL),
 296                 "bt_ctf_event_copy handles NULL correctly");
 297         copy = bt_ctf_event_copy(event);
 298         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 299
 300         /* validate event class */
 301         orig_event_class = bt_ctf_event_get_class(event);
 302         assert(orig_event_class);
 303         copy_event_class = bt_ctf_event_get_class(copy);
 304         ok(orig_event_class == copy_event_class,
 305                 "original and copied events share the same event class pointer");
 306         bt_put(orig_event_class);
 307         bt_put(copy_event_class);
 308
 309         /* validate stream */
 310         orig_stream = bt_ctf_event_get_stream(event);
 311         copy_stream = bt_ctf_event_get_stream(copy);
 312
 313         if (!orig_stream) {
 314                 ok(!copy_stream, "original and copied events have no stream");
 315         } else {
 316                 ok(orig_stream == copy_stream,
 317                         "original and copied events share the same stream pointer");
 318         }
 319         bt_put(orig_stream);
 320         bt_put(copy_stream);
 321
 322         /* header */
 323         orig_field = bt_ctf_event_get_header(event);
 324         copy_field = bt_ctf_event_get_header(copy);
 325
 326         if (!orig_field) {
 327                 ok(!copy_field, "original and copied events have no header");
 328         } else {
 329                 ok(orig_field != copy_field,
 330                         "original and copied events headers are different pointers");
 331         }
 332
 333         bt_put(orig_field);
 334         bt_put(copy_field);
 335
 336         /* context */
 337         orig_field = bt_ctf_event_get_event_context(event);
 338         copy_field = bt_ctf_event_get_event_context(copy);
 339
 340         if (!orig_field) {
 341                 ok(!copy_field, "original and copied events have no context");
 342         } else {
 343                 ok(orig_field != copy_field,
 344                         "original and copied events contexts are different pointers");
 345         }
 346
 347         bt_put(orig_field);
 348         bt_put(copy_field);
 349
 350         /* payload */
 351         orig_field = bt_ctf_event_get_payload_field(event);
 352         copy_field = bt_ctf_event_get_payload_field(copy);
 353
 354         if (!orig_field) {
 355                 ok(!copy_field, "original and copied events have no payload");
 356         } else {
 357                 ok(orig_field != copy_field,
 358                         "original and copied events payloads are different pointers");
 359         }
 360
 361         bt_put(orig_field);
 362         bt_put(copy_field);
 363
 364         bt_put(copy);
 365 }
 366
 367 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 368                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 369 {
 370         /* Create and add a simple event class */
 371         struct bt_ctf_event_class *simple_event_class =
 372                 bt_ctf_event_class_create("Simple Event");
 373         struct bt_ctf_field_type *uint_12_type =
 374                 bt_ctf_field_type_integer_create(12);
 375         struct bt_ctf_field_type *int_64_type =
 376                 bt_ctf_field_type_integer_create(64);
 377         struct bt_ctf_field_type *float_type =
 378                 bt_ctf_field_type_floating_point_create();
 379         struct bt_ctf_field_type *enum_type;
 380         struct bt_ctf_field_type *enum_type_unsigned =
 381                 bt_ctf_field_type_enumeration_create(uint_12_type);
 382         struct bt_ctf_field_type *event_context_type =
 383                 bt_ctf_field_type_structure_create();
 384         struct bt_ctf_field_type *event_payload_type = NULL;
 385         struct bt_ctf_field_type *returned_type;
 386         struct bt_ctf_event *simple_event;
 387         struct bt_ctf_field *integer_field;
 388         struct bt_ctf_field *float_field;
 389         struct bt_ctf_field *enum_field;
 390         struct bt_ctf_field *enum_field_unsigned;
 391         struct bt_ctf_field *enum_container_field;
 392         const char *mapping_name_test = "truie";
 393         const double double_test_value = 3.1415;
 394         struct bt_ctf_field *enum_container_field_unsigned;
 395         const char *mapping_name_negative_test = "negative_value";
 396         const char *ret_char;
 397         double ret_double;
 398         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 399         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 400         struct bt_ctf_clock *ret_clock;
 401         struct bt_ctf_event_class *ret_event_class;
 402         struct bt_ctf_field *packet_context;
 403         struct bt_ctf_field *packet_context_field;
 404         struct bt_ctf_field *stream_event_context;
 405         struct bt_ctf_field *stream_event_context_field;
 406         struct bt_ctf_field *event_context;
 407         struct bt_ctf_field *event_context_field;
 408         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 409         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 410         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 411         int ret;
 412
 413         ok(uint_12_type, "Create an unsigned integer type");
 414
 415         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 416         ok(int_64_type, "Create a signed integer type");
 417         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 418
 419         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 420         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 421         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 422         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 423                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 424         bt_put(returned_type);
 425
 426         bt_ctf_field_type_set_alignment(float_type, 32);
 427         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 428                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 429         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 430                 "bt_ctf_field_type_get_alignment returns a correct value");
 431
 432         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 433                 "Set a floating point type's exponent digit count");
 434         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 435                 "Set a floating point type's mantissa digit count");
 436
 437         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 438                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 439         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 440                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 441         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 442                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 443         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 444                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 445
 446         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 447                 mapping_name_negative_test, -12345, 0) == 0,
 448                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 449         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 450                 "escaping; \"test\"", 1, 1) == 0,
 451                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 452         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 453                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 454                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 455         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 456                 "event clock int float", 5, 22) == 0,
 457                 "Accept enumeration mapping strings containing reserved keywords");
 458         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 459                 42, 42);
 460         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 461                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 462         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 463                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 464         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 465                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 466         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 467
 468         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 469                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 470         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 471                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 472         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 473                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 474
 475         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 476                 "enum_field") == 0, "Add signed enumeration field to event");
 477
 478         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 479                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 480                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 481         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 482                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 483                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 484         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 485                 NULL, &ret_range_end_int64_t) < 0,
 486                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 487         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 488                 &ret_range_start_int64_t, NULL) < 0,
 489                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 490         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 491                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 492                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 493         ok(!strcmp(ret_char, mapping_name_test),
 494                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 495         ok(ret_range_start_int64_t == 42,
 496                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 497         ok(ret_range_end_int64_t == 42,
 498                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 499
 500         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 501                 "escaping; \"test\"", 0, 0) == 0,
 502                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 503         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 504                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 505                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 506         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 507                 "event clock int float", 5, 22) == 0,
 508                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 509         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 510                 42, 42);
 511         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 512                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 513         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 514                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 515         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 516                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 517         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 518                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 519
 520         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 521                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 522         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 523                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 524
 525         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 526                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 527                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 528         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 529                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 530                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 531         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 532                 NULL, &ret_range_end_uint64_t) < 0,
 533                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 534         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 535                 &ret_range_start_uint64_t, NULL) < 0,
 536                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 537         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 538                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 539                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 540         ok(!strcmp(ret_char, mapping_name_test),
 541                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 542         ok(ret_range_start_uint64_t == 42,
 543                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 544         ok(ret_range_end_uint64_t == 42,
 545                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 546
 547         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 548                 "integer_field");
 549         bt_ctf_event_class_add_field(simple_event_class, float_type,
 550                 "float_field");
 551
 552         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 553
 554         /* Set an event context type which will contain a single integer*/
 555         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 556                 "event_specific_context"),
 557                 "Add event specific context field");
 558         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 559                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 560         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 561                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 562
 563         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 564                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 565         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 566                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 567         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 568                 "Set an event class' context type successfully");
 569         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 570         ok(returned_type == event_context_type,
 571                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 572         bt_put(returned_type);
 573
 574         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 575
 576         /*
 577          * bt_ctf_stream_class_add_event_class() copies the field types
 578          * of simple_event_class, so we retrieve the new ones to create
 579          * the appropriate fields.
 580          */
 581         BT_PUT(event_context_type);
 582         BT_PUT(event_payload_type);
 583         event_payload_type = bt_ctf_event_class_get_payload_type(
 584                 simple_event_class);
 585         assert(event_payload_type);
 586         event_context_type = bt_ctf_event_class_get_context_type(
 587                 simple_event_class);
 588         assert(event_context_type);
 589         ep_integer_field_type =
 590                 bt_ctf_field_type_structure_get_field_type_by_name(
 591                         event_payload_type, "integer_field");
 592         assert(ep_integer_field_type);
 593         ep_enum_field_type =
 594                 bt_ctf_field_type_structure_get_field_type_by_name(
 595                         event_payload_type, "enum_field");
 596         assert(ep_enum_field_type);
 597         ep_enum_field_unsigned_type =
 598                 bt_ctf_field_type_structure_get_field_type_by_name(
 599                         event_payload_type, "enum_field_unsigned");
 600         assert(ep_enum_field_unsigned_type);
 601
 602         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 603                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 604         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 605                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 606         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 607                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 608         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 609                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 610         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 611         ok(ret_event_class == simple_event_class,
 612                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 613         bt_put(ret_event_class);
 614         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 615                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 616         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 617                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 618         ret_event_class =
 619                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 620         ok(ret_event_class == simple_event_class,
 621                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 622         bt_put(ret_event_class);
 623
 624         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 625                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 626         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 627                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 628         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 629                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 630         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 631         ok(ret_event_class == simple_event_class,
 632                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 633         bt_put(ret_event_class);
 634
 635         simple_event = bt_ctf_event_create(simple_event_class);
 636         ok(simple_event,
 637                 "Instantiate an event containing a single integer field");
 638
 639         ok(bt_ctf_event_get_clock(NULL) == NULL,
 640                 "bt_ctf_event_get_clock handles NULL correctly");
 641         ret_clock = bt_ctf_event_get_clock(simple_event);
 642         ok(ret_clock == clock,
 643                 "bt_ctf_event_get_clock returns a correct clock");
 644         bt_put(clock);
 645
 646         integer_field = bt_ctf_field_create(ep_integer_field_type);
 647         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 648         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 649                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 650
 651         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 652         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 653                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 654         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 655         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 656                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 657         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 658                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 659         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 660                 "bt_ctf_field_floating_point_get_value returns a double value");
 661         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 662                 "bt_ctf_field_floating_point_get_value returns a correct value");
 663
 664         enum_field = bt_ctf_field_create(ep_enum_field_type);
 665         assert(enum_field);
 666         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 667         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 668         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 669         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 670         enum_container_field = bt_ctf_field_enumeration_get_container(
 671                 enum_field);
 672         ok(bt_ctf_field_signed_integer_set_value(
 673                 enum_container_field, -42) == 0,
 674                 "Set signed enumeration container value");
 675         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 676         ok(!strcmp(ret_char, mapping_name_negative_test),
 677                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 678         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 679         assert(!ret);
 680
 681         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 682         assert(enum_field_unsigned);
 683         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 684                 enum_field_unsigned);
 685         ok(bt_ctf_field_unsigned_integer_set_value(
 686                 enum_container_field_unsigned, 42) == 0,
 687                 "Set unsigned enumeration container value");
 688         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 689                 enum_field_unsigned);
 690         assert(!ret);
 691         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 692         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 693                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 694
 695         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 696
 697         /* Populate stream event context */
 698         stream_event_context = bt_ctf_stream_get_event_context(stream);
 699         stream_event_context_field = bt_ctf_field_structure_get_field(
 700                 stream_event_context, "common_event_context");
 701         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 702
 703         /* Populate the event's context */
 704         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 705                 "bt_ctf_event_get_event_context handles NULL correctly");
 706         event_context = bt_ctf_event_get_event_context(simple_event);
 707         ok(event_context,
 708                 "bt_ctf_event_get_event_context returns a field");
 709         returned_type = bt_ctf_field_get_type(event_context);
 710         ok(returned_type == event_context_type,
 711                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 712         event_context_field = bt_ctf_field_structure_get_field(event_context,
 713                 "event_specific_context");
 714         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 715                 "Successfully set an event context's value");
 716         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 717                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 718         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 719                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 720         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 721                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 722         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 723                 "Set an event context successfully");
 724
 725         event_copy_tests(simple_event);
 726         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 727                 "Append simple event to trace stream");
 728
 729         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 730                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 731         packet_context = bt_ctf_stream_get_packet_context(stream);
 732         ok(packet_context,
 733                 "bt_ctf_stream_get_packet_context returns a packet context");
 734
 735         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 736                 "packet_size");
 737         ok(packet_context_field,
 738                 "Packet context contains the default packet_size field.");
 739         bt_put(packet_context_field);
 740         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 741                 "custom_packet_context_field");
 742         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 743                 "Custom packet context field value successfully set.");
 744
 745         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 746                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 747         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 748                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 749         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 750                 "Successfully set a stream's packet context");
 751
 752         ok(bt_ctf_stream_flush(stream) == 0,
 753                 "Flush trace stream with one event");
 754
 755         bt_put(simple_event_class);
 756         bt_put(simple_event);
 757         bt_put(uint_12_type);
 758         bt_put(int_64_type);
 759         bt_put(float_type);
 760         bt_put(enum_type);
 761         bt_put(enum_type_unsigned);
 762         bt_put(returned_type);
 763         bt_put(event_context_type);
 764         bt_put(integer_field);
 765         bt_put(float_field);
 766         bt_put(enum_field);
 767         bt_put(enum_field_unsigned);
 768         bt_put(enum_container_field);
 769         bt_put(enum_container_field_unsigned);
 770         bt_put(packet_context);
 771         bt_put(packet_context_field);
 772         bt_put(stream_event_context);
 773         bt_put(stream_event_context_field);
 774         bt_put(event_context);
 775         bt_put(event_context_field);
 776         bt_put(event_payload_type);
 777         bt_put(ep_integer_field_type);
 778         bt_put(ep_enum_field_type);
 779         bt_put(ep_enum_field_unsigned_type);
 780 }
 781
 782 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 783                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 784 {
 785         struct event_class_attrs_counts {
 786                 int id;
 787                 int name;
 788                 int loglevel;
 789                 int modelemfuri;
 790                 int unknown;
 791         } attrs_count;
 792
 793         int i;
 794         int ret;
 795         int64_t int64_value;
 796         struct event_class_attrs_counts ;
 797         const char *complex_test_event_string = "Complex Test Event";
 798         const char *test_string_1 = "Test ";
 799         const char *test_string_2 = "string ";
 800         const char *test_string_3 = "abcdefghi";
 801         const char *test_string_4 = "abcd\0efg\0hi";
 802         const char *test_string_cat = "Test string abcdeabcd";
 803         struct bt_ctf_field_type *uint_35_type =
 804                 bt_ctf_field_type_integer_create(35);
 805         struct bt_ctf_field_type *int_16_type =
 806                 bt_ctf_field_type_integer_create(16);
 807         struct bt_ctf_field_type *uint_3_type =
 808                 bt_ctf_field_type_integer_create(3);
 809         struct bt_ctf_field_type *enum_variant_type =
 810                 bt_ctf_field_type_enumeration_create(uint_3_type);
 811         struct bt_ctf_field_type *variant_type =
 812                 bt_ctf_field_type_variant_create(enum_variant_type,
 813                         "variant_selector");
 814         struct bt_ctf_field_type *string_type =
 815                 bt_ctf_field_type_string_create();
 816         struct bt_ctf_field_type *sequence_type;
 817         struct bt_ctf_field_type *array_type;
 818         struct bt_ctf_field_type *inner_structure_type =
 819                 bt_ctf_field_type_structure_create();
 820         struct bt_ctf_field_type *complex_structure_type =
 821                 bt_ctf_field_type_structure_create();
 822         struct bt_ctf_field_type *ret_field_type;
 823         struct bt_ctf_event_class *event_class;
 824         struct bt_ctf_event *event;
 825         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 826                 *inner_structure_field, *complex_structure_field,
 827                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 828                 *variant_field, *an_array_field, *ret_field;
 829         uint64_t ret_unsigned_int;
 830         int64_t ret_signed_int;
 831         const char *ret_string;
 832         struct bt_ctf_stream_class *ret_stream_class;
 833         struct bt_ctf_event_class *ret_event_class;
 834         struct bt_ctf_field *packet_context, *packet_context_field;
 835         struct bt_value *obj;
 836
 837         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 838                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 839         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 840                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 841         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 842                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 843         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 844                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 845         bt_ctf_field_type_set_alignment(int_16_type, 32);
 846         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 847         bt_ctf_field_type_integer_set_base(uint_35_type,
 848                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 849
 850         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 851         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 852                 "seq_len");
 853
 854         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 855                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 856         ret_field_type = bt_ctf_field_type_array_get_element_type(
 857                 array_type);
 858         ok(ret_field_type == int_16_type,
 859                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 860         bt_put(ret_field_type);
 861
 862         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 863                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 864         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 865                 "bt_ctf_field_type_array_get_length returns the correct length");
 866
 867         bt_ctf_field_type_structure_add_field(inner_structure_type,
 868                 uint_35_type, "seq_len");
 869         bt_ctf_field_type_structure_add_field(inner_structure_type,
 870                 sequence_type, "a_sequence");
 871         bt_ctf_field_type_structure_add_field(inner_structure_type,
 872                 array_type, "an_array");
 873
 874         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 875                 "UINT3_TYPE", 0, 0);
 876         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 877                 "INT16_TYPE", 1, 1);
 878         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 879                 "UINT35_TYPE", 2, 7);
 880
 881         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 882                 "INT16_TYPE") < 0,
 883                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 884         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 885                 enum_variant_type, NULL) < 0,
 886                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 887         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 888                 enum_variant_type, "INT16_TYPE") == 1,
 889                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 890
 891         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 892                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 893         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 894                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 895         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 896                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 897
 898         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 899                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 900         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 901                 "UINT3_TYPE") == 0, "Add a field to a variant");
 902         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 903                 "INT16_TYPE");
 904         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 905                 "UINT35_TYPE");
 906
 907         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 908                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 909         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 910         ok(ret_field_type == enum_variant_type,
 911                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 912         bt_put(ret_field_type);
 913
 914         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 915                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 916         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 917         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 918                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 919         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 920                 "INT16_TYPE") == NULL,
 921                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 922         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 923                 NULL) == NULL,
 924                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 925         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 926                 variant_type, "INT16_TYPE");
 927         ok(ret_field_type == int_16_type,
 928                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 929         bt_put(ret_field_type);
 930
 931         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 932                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 933         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 934                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 935
 936         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 937                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 938         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 939                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 940         bt_put(ret_field_type);
 941         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 942                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 943         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 944                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 945         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 946                 "bt_ctf_field_type_variant_get_field returns a field");
 947         ok(!strcmp("INT16_TYPE", ret_string),
 948                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 949         ok(ret_field_type == int_16_type,
 950                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 951         bt_put(ret_field_type);
 952
 953         bt_ctf_field_type_structure_add_field(complex_structure_type,
 954                 enum_variant_type, "variant_selector");
 955         bt_ctf_field_type_structure_add_field(complex_structure_type,
 956                 string_type, "a_string");
 957         bt_ctf_field_type_structure_add_field(complex_structure_type,
 958                 variant_type, "variant_value");
 959         bt_ctf_field_type_structure_add_field(complex_structure_type,
 960                 inner_structure_type, "inner_structure");
 961
 962         ok(bt_ctf_event_class_create("clock") == NULL,
 963                 "Reject creation of an event class with an illegal name");
 964         event_class = bt_ctf_event_class_create(complex_test_event_string);
 965         ok(event_class, "Create an event class");
 966         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 967                 "Reject addition of a field with an empty name to an event");
 968         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 969                 "Reject addition of a field with a NULL type to an event");
 970         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 971                 "int"),
 972                 "Reject addition of a type with an illegal name to an event");
 973         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 974                 "uint_35") == 0,
 975                 "Add field of type unsigned integer to an event");
 976         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 977                 "int_16") == 0, "Add field of type signed integer to an event");
 978         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 979                 "complex_structure") == 0,
 980                 "Add composite structure to an event");
 981
 982         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 983                 "bt_ctf_event_class_get_name handles NULL correctly");
 984         ret_string = bt_ctf_event_class_get_name(event_class);
 985         ok(!strcmp(ret_string, complex_test_event_string),
 986                 "bt_ctf_event_class_get_name returns a correct name");
 987         ok(bt_ctf_event_class_get_id(event_class) < 0,
 988                 "bt_ctf_event_class_get_id returns a negative value when not set");
 989         ok(bt_ctf_event_class_get_id(NULL) < 0,
 990                 "bt_ctf_event_class_get_id handles NULL correctly");
 991         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 992                 "bt_ctf_event_class_set_id handles NULL correctly");
 993         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 994                 "Set an event class' id");
 995         ok(bt_ctf_event_class_get_id(event_class) == 42,
 996                 "bt_ctf_event_class_get_id returns the correct value");
 997
 998         /* Test event class attributes */
 999         obj = bt_value_integer_create_init(15);
1000         assert(obj);
1001         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
1002                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
1003         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
1004                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
1005         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
1006                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
1007         assert(!bt_value_integer_set(obj, -3));
1008         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
1009                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
1010         assert(!bt_value_integer_set(obj, 11));
1011         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1012         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
1013                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
1014         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
1015         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
1016         ok(ret,
1017                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
1018         BT_PUT(obj);
1019
1020         obj = bt_value_integer_create_init(5);
1021         assert(obj);
1022         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
1023                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
1024         BT_PUT(obj);
1025         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
1026                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
1027         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
1028                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
1029         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
1030                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
1031         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
1032                 "loglevel");
1033         int64_value = 0;
1034         ret = bt_value_integer_get(obj, &int64_value);
1035         ok(obj && !ret && int64_value == 5,
1036                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
1037         BT_PUT(obj);
1038
1039         obj = bt_value_string_create_init("nu name");
1040         assert(obj);
1041         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1042         ret_string = bt_ctf_event_class_get_name(event_class);
1043         ok(!strcmp(ret_string, "nu name"),
1044                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1045         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1046         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1047         ok(ret,
1048                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1049         BT_PUT(obj);
1050         obj = bt_value_string_create_init("http://kernel.org/");
1051         assert(obj);
1052         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1053         BT_PUT(obj);
1054
1055         ok(bt_ctf_event_class_get_attribute_count(NULL),
1056                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1057         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1058                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1059         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1060                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1061         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1062                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1063         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1064                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1065         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1066                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1067
1068         memset(&attrs_count, 0, sizeof(attrs_count));
1069
1070         for (i = 0; i < 4; ++i) {
1071                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1072                         i);
1073                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1074                 assert(ret_string && obj);
1075
1076                 if (!strcmp(ret_string, "id")) {
1077                         attrs_count.id++;
1078                         ok(bt_value_is_integer(obj),
1079                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1080                                 ret_string);
1081                 } else if (!strcmp(ret_string, "name")) {
1082                         attrs_count.name++;
1083                         ok(bt_value_is_string(obj),
1084                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1085                                 ret_string);
1086                 } else if (!strcmp(ret_string, "loglevel")) {
1087                         attrs_count.loglevel++;
1088                         ok(bt_value_is_integer(obj),
1089                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1090                                 ret_string);
1091                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1092                         attrs_count.modelemfuri++;
1093                         ok(bt_value_is_string(obj),
1094                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1095                                 ret_string);
1096                 } else {
1097                         attrs_count.unknown++;
1098                 }
1099
1100                 BT_PUT(obj);
1101         }
1102
1103         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1104         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1105                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1106                 "event class has one instance of each known attribute");
1107
1108         /* Add event class to the stream class */
1109         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1110                 "Reject addition of NULL event class to a stream class");
1111         ok(bt_ctf_stream_class_add_event_class(stream_class,
1112                 event_class) == 0, "Add an event class to stream class");
1113
1114         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1115                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1116         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1117         ok(ret_stream_class == stream_class,
1118                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1119         bt_put(ret_stream_class);
1120
1121         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1122                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1123         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1124                 "bt_ctf_event_class_get_field_count returns a correct value");
1125
1126         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1127                 &ret_field_type, 0) < 0,
1128                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1129         ok(bt_ctf_event_class_get_field(event_class, NULL,
1130                 &ret_field_type, 0) == 0,
1131                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1132         bt_put(ret_field_type);
1133         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1134                 NULL, 0) == 0,
1135                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1136         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1137                 &ret_field_type, 42) < 0,
1138                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1139         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1140                 &ret_field_type, 0) == 0,
1141                 "bt_ctf_event_class_get_field returns a field");
1142         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1143                 "bt_ctf_event_class_get_field returns a correct field type");
1144         bt_put(ret_field_type);
1145         ok(!strcmp(ret_string, "uint_35"),
1146                 "bt_ctf_event_class_get_field returns a correct field name");
1147         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1148                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1149         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1150                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1151         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1152                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1153         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1154                 "complex_structure");
1155         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1156                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1157         bt_put(ret_field_type);
1158
1159         event = bt_ctf_event_create(event_class);
1160         ok(event, "Instanciate a complex event");
1161
1162         ok(bt_ctf_event_get_class(NULL) == NULL,
1163                 "bt_ctf_event_get_class handles NULL correctly");
1164         ret_event_class = bt_ctf_event_get_class(event);
1165         ok(ret_event_class == event_class,
1166                 "bt_ctf_event_get_class returns the correct event class");
1167         bt_put(ret_event_class);
1168
1169         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1170         if (!uint_35_field) {
1171                 printf("uint_35_field is NULL\n");
1172         }
1173
1174         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1175         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1176         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1177                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1178         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1179                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1180         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1181                 &ret_unsigned_int) == 0,
1182                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1183         ok(ret_unsigned_int == 0x0DDF00D,
1184                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1185         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1186                 &ret_signed_int) < 0,
1187                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1188         bt_put(uint_35_field);
1189
1190         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1191         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1192         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1193                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1194         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1195                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1196         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1197                 &ret_signed_int) == 0,
1198                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1199         ok(ret_signed_int == -12345,
1200                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1201         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1202                 &ret_unsigned_int) < 0,
1203                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1204         bt_put(int_16_field);
1205
1206         complex_structure_field = bt_ctf_event_get_payload(event,
1207                 "complex_structure");
1208
1209         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1210                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1211         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1212                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1213         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1214                 complex_structure_field, 3);
1215         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1216         bt_put(inner_structure_field);
1217         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1218                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1219         bt_put(ret_field_type);
1220
1221         inner_structure_field = bt_ctf_field_structure_get_field(
1222                 complex_structure_field, "inner_structure");
1223         a_string_field = bt_ctf_field_structure_get_field(
1224                 complex_structure_field, "a_string");
1225         enum_variant_field = bt_ctf_field_structure_get_field(
1226                 complex_structure_field, "variant_selector");
1227         variant_field = bt_ctf_field_structure_get_field(
1228                 complex_structure_field, "variant_value");
1229         uint_35_field = bt_ctf_field_structure_get_field(
1230                 inner_structure_field, "seq_len");
1231         a_sequence_field = bt_ctf_field_structure_get_field(
1232                 inner_structure_field, "a_sequence");
1233         an_array_field = bt_ctf_field_structure_get_field(
1234                 inner_structure_field, "an_array");
1235
1236         enum_container_field = bt_ctf_field_enumeration_get_container(
1237                 enum_variant_field);
1238         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1239         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1240                 enum_variant_field);
1241         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1242         bt_put(int_16_field);
1243         ok(!bt_ctf_field_string_get_value(a_string_field),
1244                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1245         bt_ctf_field_string_set_value(a_string_field,
1246                 test_string_1);
1247         ok(!bt_ctf_field_string_get_value(NULL),
1248                 "bt_ctf_field_string_get_value correctly handles NULL");
1249         ok(bt_ctf_field_string_append(NULL, "yeah"),
1250                 "bt_ctf_field_string_append correctly handles a NULL string field");
1251         ok(bt_ctf_field_string_append(a_string_field, NULL),
1252                 "bt_ctf_field_string_append correctly handles a NULL string value");
1253         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1254                 "bt_ctf_field_string_append succeeds");
1255         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1256                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1257         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1258                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1259         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1260                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1261         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1262                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1263         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1264                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1265         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1266                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1267
1268         ret_string = bt_ctf_field_string_get_value(a_string_field);
1269         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1270         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1271                 "bt_ctf_field_string_get_value returns a correct value");
1272         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1273                 SEQUENCE_TEST_LENGTH);
1274
1275         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1276                 enum_container_field) == NULL,
1277                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1278         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1279                 NULL) == NULL,
1280                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1281         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1282                 variant_type, enum_variant_field);
1283         ok(ret_field_type == int_16_type,
1284                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1285
1286         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1287                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1288         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1289                 uint_35_field) == 0, "Set a sequence field's length");
1290         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1291         ok(ret_field == uint_35_field,
1292                 "bt_ctf_field_sequence_get_length returns the correct length field");
1293         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1294                 "bt_ctf_field_sequence_get_length properly handles NULL");
1295
1296         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1297                 int_16_field = bt_ctf_field_sequence_get_field(
1298                         a_sequence_field, i);
1299                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1300                 bt_put(int_16_field);
1301         }
1302
1303         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1304                 int_16_field = bt_ctf_field_array_get_field(
1305                         an_array_field, i);
1306                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1307                 bt_put(int_16_field);
1308         }
1309
1310         bt_ctf_clock_set_time(clock, ++current_time);
1311         ok(bt_ctf_stream_append_event(stream, event) == 0,
1312                 "Append a complex event to a stream");
1313
1314         /*
1315          * Populate the custom packet context field with a dummy value
1316          * otherwise flush will fail.
1317          */
1318         packet_context = bt_ctf_stream_get_packet_context(stream);
1319         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1320                 "custom_packet_context_field");
1321         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1322
1323         ok(bt_ctf_stream_flush(stream) == 0,
1324                 "Flush a stream containing a complex event");
1325
1326         bt_put(uint_35_field);
1327         bt_put(a_string_field);
1328         bt_put(inner_structure_field);
1329         bt_put(complex_structure_field);
1330         bt_put(a_sequence_field);
1331         bt_put(an_array_field);
1332         bt_put(enum_variant_field);
1333         bt_put(enum_container_field);
1334         bt_put(variant_field);
1335         bt_put(ret_field);
1336         bt_put(packet_context_field);
1337         bt_put(packet_context);
1338         bt_put(uint_35_type);
1339         bt_put(int_16_type);
1340         bt_put(string_type);
1341         bt_put(sequence_type);
1342         bt_put(array_type);
1343         bt_put(inner_structure_type);
1344         bt_put(complex_structure_type);
1345         bt_put(uint_3_type);
1346         bt_put(enum_variant_type);
1347         bt_put(variant_type);
1348         bt_put(ret_field_type);
1349         bt_put(event_class);
1350         bt_put(event);
1351 }
1352
1353 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1354         struct bt_ctf_field_type *expected_type, const char *name)
1355 {
1356         struct bt_ctf_field_type *copy_type;
1357
1358         copy_type = bt_ctf_field_get_type(field);
1359         ok(copy_type == expected_type,
1360                 "bt_ctf_field_copy does not copy the type (%s)", name);
1361         bt_put(copy_type);
1362 }
1363
1364 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1365         struct bt_ctf_field *field_b, const char *name)
1366 {
1367         ok(field_a != field_b,
1368                 "bt_ctf_field_copy creates different pointers (%s)", name);
1369 }
1370
1371 void field_copy_tests()
1372 {
1373         struct bt_ctf_field_type *len_type = NULL;
1374         struct bt_ctf_field_type *fp_type = NULL;
1375         struct bt_ctf_field_type *s_type = NULL;
1376         struct bt_ctf_field_type *e_int_type = NULL;
1377         struct bt_ctf_field_type *e_type = NULL;
1378         struct bt_ctf_field_type *v_type = NULL;
1379         struct bt_ctf_field_type *v_label1_type = NULL;
1380         struct bt_ctf_field_type *v_label1_array_type = NULL;
1381         struct bt_ctf_field_type *v_label2_type = NULL;
1382         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1383         struct bt_ctf_field_type *strct_type = NULL;
1384         struct bt_ctf_field *len = NULL;
1385         struct bt_ctf_field *fp = NULL;
1386         struct bt_ctf_field *s = NULL;
1387         struct bt_ctf_field *e_int = NULL;
1388         struct bt_ctf_field *e = NULL;
1389         struct bt_ctf_field *v = NULL;
1390         struct bt_ctf_field *v_selected = NULL;
1391         struct bt_ctf_field *v_selected_cur = NULL;
1392         struct bt_ctf_field *v_selected_0 = NULL;
1393         struct bt_ctf_field *v_selected_1 = NULL;
1394         struct bt_ctf_field *v_selected_2 = NULL;
1395         struct bt_ctf_field *v_selected_3 = NULL;
1396         struct bt_ctf_field *v_selected_4 = NULL;
1397         struct bt_ctf_field *v_selected_5 = NULL;
1398         struct bt_ctf_field *v_selected_6 = NULL;
1399         struct bt_ctf_field *a = NULL;
1400         struct bt_ctf_field *a_0 = NULL;
1401         struct bt_ctf_field *a_1 = NULL;
1402         struct bt_ctf_field *a_2 = NULL;
1403         struct bt_ctf_field *a_3 = NULL;
1404         struct bt_ctf_field *a_4 = NULL;
1405         struct bt_ctf_field *strct = NULL;
1406         struct bt_ctf_field *len_copy = NULL;
1407         struct bt_ctf_field *fp_copy = NULL;
1408         struct bt_ctf_field *s_copy = NULL;
1409         struct bt_ctf_field *e_int_copy = NULL;
1410         struct bt_ctf_field *e_copy = NULL;
1411         struct bt_ctf_field *v_copy = NULL;
1412         struct bt_ctf_field *v_selected_copy = NULL;
1413         struct bt_ctf_field *v_selected_copy_len = NULL;
1414         struct bt_ctf_field *v_selected_0_copy = NULL;
1415         struct bt_ctf_field *v_selected_1_copy = NULL;
1416         struct bt_ctf_field *v_selected_2_copy = NULL;
1417         struct bt_ctf_field *v_selected_3_copy = NULL;
1418         struct bt_ctf_field *v_selected_4_copy = NULL;
1419         struct bt_ctf_field *v_selected_5_copy = NULL;
1420         struct bt_ctf_field *v_selected_6_copy = NULL;
1421         struct bt_ctf_field *a_copy = NULL;
1422         struct bt_ctf_field *a_0_copy = NULL;
1423         struct bt_ctf_field *a_1_copy = NULL;
1424         struct bt_ctf_field *a_2_copy = NULL;
1425         struct bt_ctf_field *a_3_copy = NULL;
1426         struct bt_ctf_field *a_4_copy = NULL;
1427         struct bt_ctf_field *strct_copy = NULL;
1428         uint64_t uint64_t_val;
1429         const char *str_val;
1430         double double_val;
1431         int ret;
1432
1433         /* create len type */
1434         len_type = bt_ctf_field_type_integer_create(32);
1435         assert(len_type);
1436
1437         /* create fp type */
1438         fp_type = bt_ctf_field_type_floating_point_create();
1439         assert(fp_type);
1440
1441         /* create s type */
1442         s_type = bt_ctf_field_type_string_create();
1443         assert(s_type);
1444
1445         /* create e_int type */
1446         e_int_type = bt_ctf_field_type_integer_create(8);
1447         assert(e_int_type);
1448
1449         /* create e type */
1450         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1451         assert(e_type);
1452         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1453                 10, 15);
1454         assert(!ret);
1455         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1456                 23, 23);
1457         assert(!ret);
1458
1459         /* create v_label1 type */
1460         v_label1_type = bt_ctf_field_type_string_create();
1461         assert(v_label1_type);
1462
1463         /* create v_label1_array type */
1464         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1465         assert(v_label1_array_type);
1466
1467         /* create v_label2 type */
1468         v_label2_type = bt_ctf_field_type_integer_create(16);
1469         assert(v_label2_type);
1470
1471         /* create v_label2_seq type */
1472         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1473                 "len");
1474         assert(v_label2_seq_type);
1475
1476         /* create v type */
1477         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1478         assert(v_type);
1479         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1480                 "LABEL1");
1481         assert(!ret);
1482         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1483                 "LABEL2");
1484         assert(!ret);
1485
1486         /* create strct type */
1487         strct_type = bt_ctf_field_type_structure_create();
1488         assert(strct_type);
1489         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1490                 "len");
1491         assert(!ret);
1492         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1493         assert(!ret);
1494         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1495         assert(!ret);
1496         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1497         assert(!ret);
1498         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1499         assert(!ret);
1500         ret = bt_ctf_field_type_structure_add_field(strct_type,
1501                 v_label1_array_type, "a");
1502         assert(!ret);
1503
1504         /* create strct */
1505         strct = bt_ctf_field_create(strct_type);
1506         assert(strct);
1507
1508         /* get len field */
1509         len = bt_ctf_field_structure_get_field(strct, "len");
1510         assert(len);
1511
1512         /* get fp field */
1513         fp = bt_ctf_field_structure_get_field(strct, "fp");
1514         assert(fp);
1515
1516         /* get s field */
1517         s = bt_ctf_field_structure_get_field(strct, "s");
1518         assert(s);
1519
1520         /* get e field */
1521         e = bt_ctf_field_structure_get_field(strct, "e");
1522         assert(e);
1523
1524         /* get e_int (underlying integer) */
1525         e_int = bt_ctf_field_enumeration_get_container(e);
1526         assert(e_int);
1527
1528         /* get v field */
1529         v = bt_ctf_field_structure_get_field(strct, "v");
1530         assert(v);
1531
1532         /* get a field */
1533         a = bt_ctf_field_structure_get_field(strct, "a");
1534         assert(a);
1535
1536         /* set len field */
1537         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1538         assert(!ret);
1539
1540         /* set fp field */
1541         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1542         assert(!ret);
1543
1544         /* set s field */
1545         ret = bt_ctf_field_string_set_value(s, "btbt");
1546         assert(!ret);
1547
1548         /* set e field (LABEL2) */
1549         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1550         assert(!ret);
1551
1552         /* set v field */
1553         v_selected = bt_ctf_field_variant_get_field(v, e);
1554         assert(v_selected);
1555         ok(!bt_ctf_field_variant_get_current_field(NULL),
1556                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1557         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1558         ok(v_selected_cur == v_selected,
1559                 "bt_ctf_field_variant_get_current_field returns the current field");
1560         bt_put(v_selected_cur);
1561
1562         /* set selected v field */
1563         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1564         assert(!ret);
1565         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1566         assert(v_selected_0);
1567         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1568         assert(!ret);
1569         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1570         assert(v_selected_1);
1571         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1572         assert(!ret);
1573         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1574         assert(v_selected_2);
1575         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1576         assert(!ret);
1577         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1578         assert(v_selected_3);
1579         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1580         assert(!ret);
1581         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1582         assert(v_selected_4);
1583         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1584         assert(!ret);
1585         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1586         assert(v_selected_5);
1587         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1588         assert(!ret);
1589         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1590         assert(v_selected_6);
1591         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1592         assert(!ret);
1593
1594         /* set a field */
1595         a_0 = bt_ctf_field_array_get_field(a, 0);
1596         assert(a_0);
1597         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1598         assert(!ret);
1599         a_1 = bt_ctf_field_array_get_field(a, 1);
1600         assert(a_1);
1601         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1602         assert(!ret);
1603         a_2 = bt_ctf_field_array_get_field(a, 2);
1604         assert(a_2);
1605         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1606         assert(!ret);
1607         a_3 = bt_ctf_field_array_get_field(a, 3);
1608         assert(a_3);
1609         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1610         assert(!ret);
1611         a_4 = bt_ctf_field_array_get_field(a, 4);
1612         assert(a_4);
1613         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1614         assert(!ret);
1615
1616         /* create copy of strct */
1617         ok(!bt_ctf_field_copy(NULL),
1618                 "bt_ctf_field_copy handles NULL correctly");
1619         strct_copy = bt_ctf_field_copy(strct);
1620         ok(strct_copy,
1621                 "bt_ctf_field_copy returns a valid pointer");
1622
1623         /* get all copied fields */
1624         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1625         assert(len_copy);
1626         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1627         assert(fp_copy);
1628         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1629         assert(s_copy);
1630         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1631         assert(e_copy);
1632         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1633         assert(e_int_copy);
1634         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1635         assert(v_copy);
1636         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1637         assert(v_selected_copy);
1638         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1639         assert(v_selected_0_copy);
1640         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1641         assert(v_selected_1_copy);
1642         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1643         assert(v_selected_2_copy);
1644         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1645         assert(v_selected_3_copy);
1646         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1647         assert(v_selected_4_copy);
1648         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1649         assert(v_selected_5_copy);
1650         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1651         assert(v_selected_6_copy);
1652         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1653                 "sequence field copy is not too large");
1654         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1655         assert(a_copy);
1656         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1657         assert(a_0_copy);
1658         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1659         assert(a_1_copy);
1660         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1661         assert(a_2_copy);
1662         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1663         assert(a_3_copy);
1664         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1665         assert(a_4_copy);
1666         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1667                 "array field copy is not too large");
1668
1669         /* make sure copied fields are different pointers */
1670         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1671         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1672         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1673         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1674         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1675         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1676         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1677         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1678                 "v_selected");
1679         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1680                 "v_selected_0");
1681         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1682                 "v_selected_1");
1683         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1684                 "v_selected_2");
1685         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1686                 "v_selected_3");
1687         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1688                 "v_selected_4");
1689         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1690                 "v_selected_5");
1691         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1692                 "v_selected_6");
1693         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1694         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1695         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1696         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1697         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1698         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1699
1700         /* make sure copied fields share the same types */
1701         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1702         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1703         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1704         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1705         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1706         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1707         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1708                 "v_selected");
1709         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1710                 "v_selected_0");
1711         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1712                 "v_selected_1");
1713         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1714                 "v_selected_2");
1715         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1716                 "v_selected_3");
1717         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1718                 "v_selected_4");
1719         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1720                 "v_selected_5");
1721         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1722                 "v_selected_6");
1723         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1724         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1725         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1726         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1727         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1728         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1729
1730         /* validate len copy */
1731         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1732         assert(!ret);
1733         ok(uint64_t_val == 7,
1734                 "bt_ctf_field_copy creates a valid integer field copy");
1735
1736         /* validate fp copy */
1737         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1738         assert(!ret);
1739         ok(double_val == 3.14,
1740                 "bt_ctf_field_copy creates a valid floating point number field copy");
1741
1742         /* validate s copy */
1743         str_val = bt_ctf_field_string_get_value(s_copy);
1744         ok(str_val && !strcmp(str_val, "btbt"),
1745                 "bt_ctf_field_copy creates a valid string field copy");
1746
1747         /* validate e_int copy */
1748         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1749                 &uint64_t_val);
1750         assert(!ret);
1751         ok(uint64_t_val == 23,
1752                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1753
1754         /* validate e copy */
1755         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1756         ok(str_val && !strcmp(str_val, "LABEL2"),
1757                 "bt_ctf_field_copy creates a valid enum field copy");
1758
1759         /* validate v_selected copy */
1760         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1761         assert(v_selected_copy_len);
1762         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1763                 &uint64_t_val);
1764         assert(!ret);
1765         ok(uint64_t_val == 7,
1766                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1767         bt_put(v_selected_copy_len);
1768         v_selected_copy_len = NULL;
1769
1770         /* validate v_selected copy fields */
1771         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1772                 &uint64_t_val);
1773         assert(!ret);
1774         ok(uint64_t_val == 7,
1775                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1776         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1777                 &uint64_t_val);
1778         assert(!ret);
1779         ok(uint64_t_val == 6,
1780                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1781         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1782                 &uint64_t_val);
1783         assert(!ret);
1784         ok(uint64_t_val == 5,
1785                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1786         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1787                 &uint64_t_val);
1788         assert(!ret);
1789         ok(uint64_t_val == 4,
1790                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1791         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1792                 &uint64_t_val);
1793         assert(!ret);
1794         ok(uint64_t_val == 3,
1795                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1796         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1797                 &uint64_t_val);
1798         assert(!ret);
1799         ok(uint64_t_val == 2,
1800                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1801         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1802                 &uint64_t_val);
1803         assert(!ret);
1804         ok(uint64_t_val == 1,
1805                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1806
1807         /* validate a copy fields */
1808         str_val = bt_ctf_field_string_get_value(a_0_copy);
1809         ok(str_val && !strcmp(str_val, "a_0"),
1810                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1811         str_val = bt_ctf_field_string_get_value(a_1_copy);
1812         ok(str_val && !strcmp(str_val, "a_1"),
1813                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1814         str_val = bt_ctf_field_string_get_value(a_2_copy);
1815         ok(str_val && !strcmp(str_val, "a_2"),
1816                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1817         str_val = bt_ctf_field_string_get_value(a_3_copy);
1818         ok(str_val && !strcmp(str_val, "a_3"),
1819                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1820         str_val = bt_ctf_field_string_get_value(a_4_copy);
1821         ok(str_val && !strcmp(str_val, "a_4"),
1822                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1823
1824         /* put everything */
1825         bt_put(len_type);
1826         bt_put(fp_type);
1827         bt_put(s_type);
1828         bt_put(e_int_type);
1829         bt_put(e_type);
1830         bt_put(v_type);
1831         bt_put(v_label1_type);
1832         bt_put(v_label1_array_type);
1833         bt_put(v_label2_type);
1834         bt_put(v_label2_seq_type);
1835         bt_put(strct_type);
1836         bt_put(len);
1837         bt_put(fp);
1838         bt_put(s);
1839         bt_put(e_int);
1840         bt_put(e);
1841         bt_put(v);
1842         bt_put(v_selected);
1843         bt_put(v_selected_0);
1844         bt_put(v_selected_1);
1845         bt_put(v_selected_2);
1846         bt_put(v_selected_3);
1847         bt_put(v_selected_4);
1848         bt_put(v_selected_5);
1849         bt_put(v_selected_6);
1850         bt_put(a);
1851         bt_put(a_0);
1852         bt_put(a_1);
1853         bt_put(a_2);
1854         bt_put(a_3);
1855         bt_put(a_4);
1856         bt_put(strct);
1857         bt_put(len_copy);
1858         bt_put(fp_copy);
1859         bt_put(s_copy);
1860         bt_put(e_int_copy);
1861         bt_put(e_copy);
1862         bt_put(v_copy);
1863         bt_put(v_selected_copy);
1864         bt_put(v_selected_0_copy);
1865         bt_put(v_selected_1_copy);
1866         bt_put(v_selected_2_copy);
1867         bt_put(v_selected_3_copy);
1868         bt_put(v_selected_4_copy);
1869         bt_put(v_selected_5_copy);
1870         bt_put(v_selected_6_copy);
1871         bt_put(a_copy);
1872         bt_put(a_0_copy);
1873         bt_put(a_1_copy);
1874         bt_put(a_2_copy);
1875         bt_put(a_3_copy);
1876         bt_put(a_4_copy);
1877         bt_put(strct_copy);
1878 }
1879
1880 void type_field_tests()
1881 {
1882         struct bt_ctf_field *uint_12;
1883         struct bt_ctf_field *int_16;
1884         struct bt_ctf_field *string;
1885         struct bt_ctf_field *enumeration;
1886         struct bt_ctf_field_type *composite_structure_type;
1887         struct bt_ctf_field_type *structure_seq_type;
1888         struct bt_ctf_field_type *string_type;
1889         struct bt_ctf_field_type *sequence_type;
1890         struct bt_ctf_field_type *uint_8_type;
1891         struct bt_ctf_field_type *int_16_type;
1892         struct bt_ctf_field_type *uint_12_type =
1893                 bt_ctf_field_type_integer_create(12);
1894         struct bt_ctf_field_type *enumeration_type;
1895         struct bt_ctf_field_type *returned_type;
1896         const char *ret_string;
1897
1898         returned_type = bt_ctf_field_get_type(NULL);
1899         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1900
1901         ok(uint_12_type, "Create an unsigned integer type");
1902         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1903                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1904                 "Set integer type's base as binary");
1905         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1906                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1907                 "Set integer type's base as decimal");
1908         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1909                 BT_CTF_INTEGER_BASE_UNKNOWN),
1910                 "Reject integer type's base set as unknown");
1911         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1912                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1913                 "Set integer type's base as octal");
1914         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1915                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1916                 "Set integer type's base as hexadecimal");
1917         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1918                 "Reject unknown integer base value");
1919         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1920                 "Set integer type signedness to signed");
1921         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1922                 "Set integer type signedness to unsigned");
1923         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1924                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1925         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1926                 "bt_ctf_field_type_integer_get_size returns a correct value");
1927         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1928                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1929         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1930                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1931
1932         ok(bt_ctf_field_type_set_byte_order(NULL,
1933                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1934                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1935         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1936                 (enum bt_ctf_byte_order) 42) < 0,
1937                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1938         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1939                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1940                 "Set an integer's byte order to little endian");
1941         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1942                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1943                 "Set an integer's byte order to big endian");
1944         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1945                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1946                 "bt_ctf_field_type_get_byte_order returns a correct value");
1947         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1948                 BT_CTF_BYTE_ORDER_UNKNOWN,
1949                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1950
1951         ok(bt_ctf_field_type_get_type_id(NULL) ==
1952                 BT_CTF_TYPE_ID_UNKNOWN,
1953                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1954         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1955                 BT_CTF_TYPE_ID_INTEGER,
1956                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1957
1958         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1959                 BT_CTF_INTEGER_BASE_UNKNOWN,
1960                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1961         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1962                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1963                 "bt_ctf_field_type_integer_get_base returns a correct value");
1964
1965         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1966                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1967                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1968         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1969                 (enum bt_ctf_string_encoding) 123) < 0,
1970                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1971         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1972                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1973                 "Set integer type encoding to UTF8");
1974         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1975                 BT_CTF_STRING_ENCODING_UNKNOWN,
1976                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1977         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1978                 BT_CTF_STRING_ENCODING_UTF8,
1979                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1980
1981         int_16_type = bt_ctf_field_type_integer_create(16);
1982         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1983         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1984                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1985         uint_8_type = bt_ctf_field_type_integer_create(8);
1986         sequence_type =
1987                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1988         ok(sequence_type, "Create a sequence of int16_t type");
1989         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1990                 BT_CTF_TYPE_ID_SEQUENCE,
1991                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1992
1993         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1994                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1995         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1996                 sequence_type);
1997         ok(!strcmp(ret_string, "seq_len"),
1998                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1999         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
2000                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
2001         returned_type = bt_ctf_field_type_sequence_get_element_type(
2002                 sequence_type);
2003         ok(returned_type == int_16_type,
2004                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
2005         bt_put(returned_type);
2006
2007         string_type = bt_ctf_field_type_string_create();
2008         ok(string_type, "Create a string type");
2009         ok(bt_ctf_field_type_string_set_encoding(string_type,
2010                 BT_CTF_STRING_ENCODING_NONE),
2011                 "Reject invalid \"None\" string encoding");
2012         ok(bt_ctf_field_type_string_set_encoding(string_type,
2013                 42),
2014                 "Reject invalid string encoding");
2015         ok(bt_ctf_field_type_string_set_encoding(string_type,
2016                 BT_CTF_STRING_ENCODING_ASCII) == 0,
2017                 "Set string encoding to ASCII");
2018
2019         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
2020                 BT_CTF_STRING_ENCODING_UNKNOWN,
2021                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
2022         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
2023                 BT_CTF_STRING_ENCODING_ASCII,
2024                 "bt_ctf_field_type_string_get_encoding returns the correct value");
2025
2026         structure_seq_type = bt_ctf_field_type_structure_create();
2027         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
2028                 BT_CTF_TYPE_ID_STRUCT,
2029                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
2030         ok(structure_seq_type, "Create a structure type");
2031         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2032                 uint_8_type, "seq_len") == 0,
2033                 "Add a uint8_t type to a structure");
2034         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2035                 sequence_type, "a_sequence") == 0,
2036                 "Add a sequence type to a structure");
2037
2038         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2039                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2040         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2041                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2042
2043         ok(bt_ctf_field_type_structure_get_field(NULL,
2044                 &ret_string, &returned_type, 1) < 0,
2045                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2046         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2047                 NULL, &returned_type, 1) == 0,
2048                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2049         bt_put(returned_type);
2050         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2051                 &ret_string, NULL, 1) == 0,
2052                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2053         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2054                 &ret_string, &returned_type, 10) < 0,
2055                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2056         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2057                 &ret_string, &returned_type, 1) == 0,
2058                 "bt_ctf_field_type_structure_get_field returns a field");
2059         ok(!strcmp(ret_string, "a_sequence"),
2060                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2061         ok(returned_type == sequence_type,
2062                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2063         bt_put(returned_type);
2064
2065         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2066                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2067         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2068                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2069         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2070                 structure_seq_type, "a_sequence");
2071         ok(returned_type == sequence_type,
2072                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2073         bt_put(returned_type);
2074
2075         composite_structure_type = bt_ctf_field_type_structure_create();
2076         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2077                 string_type, "a_string") == 0,
2078                 "Add a string type to a structure");
2079         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2080                 structure_seq_type, "inner_structure") == 0,
2081                 "Add a structure type to a structure");
2082
2083         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2084                 NULL, "a_sequence") == NULL,
2085                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2086         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2087                 structure_seq_type, NULL) == NULL,
2088                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2089         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2090                 structure_seq_type, "a_sequence");
2091         ok(returned_type == sequence_type,
2092                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2093         bt_put(returned_type);
2094
2095         int_16 = bt_ctf_field_create(int_16_type);
2096         ok(int_16, "Instanciate a signed 16-bit integer");
2097         uint_12 = bt_ctf_field_create(uint_12_type);
2098         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2099         returned_type = bt_ctf_field_get_type(int_16);
2100         ok(returned_type == int_16_type,
2101                 "bt_ctf_field_get_type returns the correct type");
2102
2103         /* Can't modify types after instanciating them */
2104         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2105                 BT_CTF_INTEGER_BASE_DECIMAL),
2106                 "Check an integer type' base can't be modified after instanciation");
2107         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2108                 "Check an integer type's signedness can't be modified after instanciation");
2109
2110         /* Check signed property is checked */
2111         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2112                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2113         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2114                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2115
2116         /* Check overflows are properly tested for */
2117         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2118                 "Check -32768 is allowed for a signed 16-bit integer");
2119         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2120                 "Check 32767 is allowed for a signed 16-bit integer");
2121         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2122                 "Check 32768 is not allowed for a signed 16-bit integer");
2123         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2124                 "Check -32769 is not allowed for a signed 16-bit integer");
2125         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2126                 "Check -42 is allowed for a signed 16-bit integer");
2127
2128         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2129                 "Check 4095 is allowed for an unsigned 12-bit integer");
2130         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2131                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2132         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2133                 "Check 0 is allowed for an unsigned 12-bit integer");
2134
2135         string = bt_ctf_field_create(string_type);
2136         ok(string, "Instanciate a string field");
2137         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2138                 "Set a string's value");
2139
2140         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2141         ok(enumeration_type,
2142                 "Create an enumeration type with an unsigned 12-bit integer as container");
2143         enumeration = bt_ctf_field_create(enumeration_type);
2144         ok(!enumeration,
2145                 "Check enumeration types are validated before instantiation");
2146
2147         bt_put(string);
2148         bt_put(uint_12);
2149         bt_put(int_16);
2150         bt_put(enumeration);
2151         bt_put(composite_structure_type);
2152         bt_put(structure_seq_type);
2153         bt_put(string_type);
2154         bt_put(sequence_type);
2155         bt_put(uint_8_type);
2156         bt_put(int_16_type);
2157         bt_put(uint_12_type);
2158         bt_put(enumeration_type);
2159         bt_put(returned_type);
2160 }
2161
2162 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2163                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2164 {
2165         /*
2166          * Append enough events to force the underlying packet to be resized.
2167          * Also tests that a new event can be declared after a stream has been
2168          * instantiated and used/flushed.
2169          */
2170         int ret = 0;
2171         int i;
2172         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2173                 "Spammy_Event");
2174         struct bt_ctf_field_type *integer_type =
2175                 bt_ctf_field_type_integer_create(17);
2176         struct bt_ctf_field_type *string_type =
2177                 bt_ctf_field_type_string_create();
2178         struct bt_ctf_event *event = NULL;
2179         struct bt_ctf_field *ret_field = NULL;
2180         struct bt_ctf_field_type *ret_field_type = NULL;
2181         uint64_t ret_uint64;
2182         int events_appended = 0;
2183         struct bt_ctf_field *packet_context = NULL,
2184                 *packet_context_field = NULL, *event_context = NULL;
2185         struct bt_ctf_field_type *ep_field_1_type = NULL;
2186         struct bt_ctf_field_type *ep_a_string_type = NULL;
2187         struct bt_ctf_field_type *ep_type = NULL;
2188
2189         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2190                 "field_1");
2191         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2192                 "a_string");
2193         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2194         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2195         if (ret) {
2196                 goto end;
2197         }
2198
2199         /*
2200          * bt_ctf_stream_class_add_event_class() copies the field types
2201          * of event_class, so we retrieve the new ones to create the
2202          * appropriate fields.
2203          */
2204         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2205         assert(ep_type);
2206         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2207                 ep_type, "field_1");
2208         assert(ep_field_1_type);
2209         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2210                 ep_type, "a_string");
2211         assert(ep_a_string_type);
2212
2213         event = bt_ctf_event_create(event_class);
2214         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2215         ret_field_type = bt_ctf_field_get_type(ret_field);
2216         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2217                 "bt_ctf_event_get_payload_by_index returns a correct field");
2218         bt_put(ret_field_type);
2219         bt_put(ret_field);
2220
2221         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2222                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2223         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2224                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2225         bt_put(event);
2226
2227         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2228                 "bt_ctf_stream_get_event_context handles NULL correctly");
2229         event_context = bt_ctf_stream_get_event_context(stream);
2230         ok(event_context,
2231                 "bt_ctf_stream_get_event_context returns a stream event context");
2232         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2233                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2234         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2235                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2236         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2237                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2238         ret_field = bt_ctf_field_create(ep_field_1_type);
2239         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2240                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2241         bt_put(ret_field);
2242
2243         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2244                 event = bt_ctf_event_create(event_class);
2245                 struct bt_ctf_field *integer =
2246                         bt_ctf_field_create(ep_field_1_type);
2247                 struct bt_ctf_field *string =
2248                         bt_ctf_field_create(ep_a_string_type);
2249
2250                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2251                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2252                 ret |= bt_ctf_event_set_payload(event, "field_1",
2253                         integer);
2254                 bt_put(integer);
2255                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2256                 ret |= bt_ctf_event_set_payload(event, "a_string",
2257                         string);
2258                 bt_put(string);
2259
2260                 /* Populate stream event context */
2261                 integer = bt_ctf_field_structure_get_field(event_context,
2262                         "common_event_context");
2263                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2264                         i % 42);
2265                 bt_put(integer);
2266
2267                 ret |= bt_ctf_stream_append_event(stream, event);
2268                 bt_put(event);
2269
2270                 if (ret) {
2271                         break;
2272                 }
2273         }
2274
2275         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2276         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2277                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2278         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2279                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2280         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2281         ok(ret == 0 && ret_uint64 == 0,
2282                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2283         bt_ctf_stream_append_discarded_events(stream, 1000);
2284         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2285         ok(ret == 0 && ret_uint64 == 1000,
2286                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2287
2288 end:
2289         ok(events_appended, "Append 100 000 events to a stream");
2290
2291         /*
2292          * Populate the custom packet context field with a dummy value
2293          * otherwise flush will fail.
2294          */
2295         packet_context = bt_ctf_stream_get_packet_context(stream);
2296         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2297                 "custom_packet_context_field");
2298         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2299
2300         ok(bt_ctf_stream_flush(stream) == 0,
2301                 "Flush a stream that forces a packet resize");
2302         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2303         ok(ret == 0 && ret_uint64 == 1000,
2304                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2305         bt_put(integer_type);
2306         bt_put(string_type);
2307         bt_put(packet_context);
2308         bt_put(packet_context_field);
2309         bt_put(event_context);
2310         bt_put(event_class);
2311         bt_put(ep_field_1_type);
2312         bt_put(ep_a_string_type);
2313         bt_put(ep_type);
2314 }
2315
2316 void test_empty_stream(struct bt_ctf_writer *writer)
2317 {
2318         int ret = 0;
2319         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2320         struct bt_ctf_stream_class *stream_class = NULL;
2321         struct bt_ctf_stream *stream = NULL;
2322
2323         trace = bt_ctf_writer_get_trace(writer);
2324         if (!trace) {
2325                 diag("Failed to get trace from writer");
2326                 ret = -1;
2327                 goto end;
2328         }
2329
2330         stream_class = bt_ctf_stream_class_create("empty_stream");
2331         if (!stream_class) {
2332                 diag("Failed to create stream class");
2333                 ret = -1;
2334                 goto end;
2335         }
2336
2337         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2338                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2339         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2340                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2341
2342         stream = bt_ctf_writer_create_stream(writer, stream_class);
2343         if (!stream) {
2344                 diag("Failed to create writer stream");
2345                 ret = -1;
2346                 goto end;
2347         }
2348
2349         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2350         ok(ret_trace == trace,
2351                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2352 end:
2353         ok(ret == 0,
2354                 "Created a stream class with default attributes and an empty stream");
2355         bt_put(trace);
2356         bt_put(ret_trace);
2357         bt_put(stream);
2358         bt_put(stream_class);
2359 }
2360
2361 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2362 {
2363         int i, ret;
2364         struct bt_ctf_trace *trace = NULL;
2365         struct bt_ctf_clock *clock = NULL;
2366         struct bt_ctf_stream_class *stream_class = NULL;
2367         struct bt_ctf_stream *stream = NULL;
2368         struct bt_ctf_field_type *integer_type = NULL,
2369                 *sequence_type = NULL, *event_header_type = NULL;
2370         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2371                 *event_header = NULL, *packet_header = NULL;
2372         struct bt_ctf_event_class *event_class = NULL;
2373         struct bt_ctf_event *event = NULL;
2374
2375         trace = bt_ctf_writer_get_trace(writer);
2376         if (!trace) {
2377                 fail("Failed to get trace from writer");
2378                 goto end;
2379         }
2380
2381         clock = bt_ctf_trace_get_clock(trace, 0);
2382         if (!clock) {
2383                 fail("Failed to get clock from trace");
2384                 goto end;
2385         }
2386
2387         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2388         if (!stream_class) {
2389                 fail("Failed to create stream class");
2390                 goto end;
2391         }
2392
2393         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2394         if (ret) {
2395                 fail("Failed to set stream class clock");
2396                 goto end;
2397         }
2398
2399         /*
2400          * Customize event header to add an "seq_len" integer member
2401          * which will be used as the length of a sequence in an event of this
2402          * stream.
2403          */
2404         event_header_type = bt_ctf_stream_class_get_event_header_type(
2405                 stream_class);
2406         if (!event_header_type) {
2407                 fail("Failed to get event header type");
2408                 goto end;
2409         }
2410
2411         integer_type = bt_ctf_field_type_integer_create(13);
2412         if (!integer_type) {
2413                 fail("Failed to create length integer type");
2414                 goto end;
2415         }
2416
2417         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2418                 integer_type, "seq_len");
2419         if (ret) {
2420                 fail("Failed to add a new field to stream event header");
2421                 goto end;
2422         }
2423
2424         event_class = bt_ctf_event_class_create("sequence_event");
2425         if (!event_class) {
2426                 fail("Failed to create event class");
2427                 goto end;
2428         }
2429
2430         /*
2431          * This event's payload will contain a sequence which references
2432          * stream.event.header.seq_len as its length field.
2433          */
2434         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2435                 "stream.event.header.seq_len");
2436         if (!sequence_type) {
2437                 fail("Failed to create a sequence");
2438                 goto end;
2439         }
2440
2441         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2442                 "some_sequence");
2443         if (ret) {
2444                 fail("Failed to add a sequence to an event class");
2445                 goto end;
2446         }
2447
2448         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2449         if (ret) {
2450                 fail("Failed to add event class to stream class");
2451                 goto end;
2452         }
2453
2454         stream = bt_ctf_writer_create_stream(writer, stream_class);
2455         if (!stream) {
2456                 fail("Failed to create stream")
2457                 goto end;
2458         }
2459
2460         /*
2461          * We have defined a custom packet header field. We have to populate it
2462          * explicitly.
2463          */
2464         packet_header = bt_ctf_stream_get_packet_header(stream);
2465         if (!packet_header) {
2466                 fail("Failed to get stream packet header");
2467                 goto end;
2468         }
2469
2470         integer = bt_ctf_field_structure_get_field(packet_header,
2471                 "custom_trace_packet_header_field");
2472         if (!integer) {
2473                 fail("Failed to retrieve custom_trace_packet_header_field");
2474                 goto end;
2475         }
2476
2477         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2478         if (ret) {
2479                 fail("Failed to set custom_trace_packet_header_field value");
2480                 goto end;
2481         }
2482         bt_put(integer);
2483
2484         event = bt_ctf_event_create(event_class);
2485         if (!event) {
2486                 fail("Failed to create event");
2487                 goto end;
2488         }
2489
2490         event_header = bt_ctf_event_get_header(event);
2491         if (!event_header) {
2492                 fail("Failed to get event header");
2493                 goto end;
2494         }
2495
2496         integer = bt_ctf_field_structure_get_field(event_header,
2497                 "seq_len");
2498         if (!integer) {
2499                 fail("Failed to get seq_len field from event header");
2500                 goto end;
2501         }
2502
2503         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2504         if (ret) {
2505                 fail("Failed to set seq_len value in event header");
2506                 goto end;
2507         }
2508
2509         /* Populate both sequence integer fields */
2510         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2511         if (!sequence) {
2512                 fail("Failed to retrieve sequence from event");
2513                 goto end;
2514         }
2515
2516         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2517         if (ret) {
2518                 fail("Failed to set sequence length");
2519                 goto end;
2520         }
2521         bt_put(integer);
2522
2523         for (i = 0; i < 2; i++) {
2524                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2525                 if (ret) {
2526                         fail("Failed to retrieve sequence element");
2527                         goto end;
2528                 }
2529
2530                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2531                 if (ret) {
2532                         fail("Failed to set sequence element value");
2533                         goto end;
2534                 }
2535
2536                 bt_put(integer);
2537                 integer = NULL;
2538         }
2539
2540         ret = bt_ctf_stream_append_event(stream, event);
2541         if (ret) {
2542                 fail("Failed to append event to stream");
2543                 goto end;
2544         }
2545
2546         ret = bt_ctf_stream_flush(stream);
2547         if (ret) {
2548                 fail("Failed to flush custom_event_header stream");
2549         }
2550 end:
2551         bt_put(clock);
2552         bt_put(trace);
2553         bt_put(stream);
2554         bt_put(stream_class);
2555         bt_put(event_class);
2556         bt_put(event);
2557         bt_put(integer);
2558         bt_put(sequence);
2559         bt_put(event_header);
2560         bt_put(packet_header);
2561         bt_put(sequence_type);
2562         bt_put(integer_type);
2563         bt_put(event_header_type);
2564 }
2565
2566 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2567 {
2568         int ret = 0;
2569         struct bt_ctf_trace *trace = NULL;
2570         struct bt_ctf_clock *clock = NULL;
2571         struct bt_ctf_stream_class *stream_class = NULL;
2572         struct bt_ctf_stream *stream = NULL,
2573                 *ret_stream = NULL;
2574         struct bt_ctf_event_class *event_class = NULL;
2575         struct bt_ctf_event *event = NULL;
2576         struct bt_ctf_field_type *integer_type = NULL;
2577         struct bt_ctf_field *integer = NULL;
2578
2579         trace = bt_ctf_writer_get_trace(writer);
2580         if (!trace) {
2581                 diag("Failed to get trace from writer");
2582                 ret = -1;
2583                 goto end;
2584         }
2585
2586         clock = bt_ctf_trace_get_clock(trace, 0);
2587         if (!clock) {
2588                 diag("Failed to get clock from trace");
2589                 ret = -1;
2590                 goto end;
2591         }
2592
2593         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2594         if (!stream_class) {
2595                 diag("Failed to create stream class");
2596                 ret = -1;
2597                 goto end;
2598         }
2599
2600         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2601         if (ret) {
2602                 diag("Failed to set stream class clock");
2603                 goto end;
2604         }
2605
2606         event_class = bt_ctf_event_class_create("some_event_class_name");
2607         integer_type = bt_ctf_field_type_integer_create(32);
2608         if (!integer_type) {
2609                 diag("Failed to create integer field type");
2610                 ret = -1;
2611                 goto end;
2612         }
2613
2614         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2615                 "integer_field");
2616         if (ret) {
2617                 diag("Failed to add field to event class");
2618                 goto end;
2619         }
2620
2621         ret = bt_ctf_stream_class_add_event_class(stream_class,
2622                 event_class);
2623         if (ret) {
2624                 diag("Failed to add event class to stream class");
2625         }
2626
2627         event = bt_ctf_event_create(event_class);
2628         if (!event) {
2629                 diag("Failed to create event");
2630                 ret = -1;
2631                 goto end;
2632         }
2633
2634         integer = bt_ctf_event_get_payload_by_index(event, 0);
2635         if (!integer) {
2636                 diag("Failed to get integer field payload from event");
2637                 ret = -1;
2638                 goto end;
2639         }
2640
2641         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2642         if (ret) {
2643                 diag("Failed to set integer field value");
2644                 goto end;
2645         }
2646
2647         stream = bt_ctf_writer_create_stream(writer, stream_class);
2648         if (!stream) {
2649                 diag("Failed to create writer stream");
2650                 ret = -1;
2651                 goto end;
2652         }
2653
2654         ok(bt_ctf_event_get_stream(NULL) == NULL,
2655                 "bt_ctf_event_get_stream handles NULL correctly");
2656         ok(bt_ctf_event_get_stream(event) == NULL,
2657                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2658
2659         ret = bt_ctf_stream_append_event(stream, event);
2660         if (ret) {
2661                 diag("Failed to append event to stream");
2662                 goto end;
2663         }
2664
2665         ret_stream = bt_ctf_event_get_stream(event);
2666         ok(ret_stream == stream,
2667                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2668 end:
2669         ok(ret == 0,
2670                 "Create an event before instanciating its associated stream");
2671         bt_put(trace);
2672         bt_put(stream);
2673         bt_put(ret_stream);
2674         bt_put(stream_class);
2675         bt_put(event_class);
2676         bt_put(event);
2677         bt_put(integer_type);
2678         bt_put(integer);
2679         bt_put(clock);
2680 }
2681
2682 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2683 {
2684         struct bt_ctf_event_class *event_class;
2685
2686         event_class = bt_ctf_event_class_create("Simple Event");
2687         assert(event_class);
2688         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2689                 "two event classes with the same name cannot cohabit within the same stream class");
2690         bt_put(event_class);
2691
2692         event_class = bt_ctf_event_class_create("different name, ok");
2693         assert(event_class);
2694         assert(!bt_ctf_event_class_set_id(event_class, 11));
2695         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2696                 "two event classes with the same ID cannot cohabit within the same stream class");
2697         bt_put(event_class);
2698 }
2699
2700 int main(int argc, char **argv)
2701 {
2702         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2703         char metadata_path[sizeof(trace_path) + 9];
2704         const char *clock_name = "test_clock";
2705         const char *clock_description = "This is a test clock";
2706         const char *returned_clock_name;
2707         const char *returned_clock_description;
2708         const uint64_t frequency = 1123456789;
2709         const int64_t offset_s = 1351530929945824323;
2710         const int64_t offset = 1234567;
2711         int64_t get_offset_s,
2712                 get_offset,
2713                 get_time;
2714         const uint64_t precision = 10;
2715         const int is_absolute = 0xFF;
2716         char *metadata_string;
2717         struct bt_ctf_writer *writer;
2718         struct utsname name;
2719         char hostname[BABELTRACE_HOST_NAME_MAX];
2720         struct bt_ctf_clock *clock, *ret_clock;
2721         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2722         struct bt_ctf_stream *stream1;
2723         const char *ret_string;
2724         const unsigned char *ret_uuid;
2725         unsigned char tmp_uuid[16] = { 0 };
2726         struct bt_ctf_field_type *packet_context_type,
2727                 *packet_context_field_type,
2728                 *packet_header_type,
2729                 *packet_header_field_type,
2730                 *integer_type,
2731                 *stream_event_context_type,
2732                 *ret_field_type,
2733                 *event_header_field_type;
2734         struct bt_ctf_field *packet_header, *packet_header_field;
2735         struct bt_ctf_trace *trace;
2736         int ret;
2737         int64_t ret_int64_t;
2738         struct bt_value *obj;
2739
2740         if (argc < 3) {
2741                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2742                 return -1;
2743         }
2744
2745         plan_tests(NR_TESTS);
2746
2747         if (!bt_mkdtemp(trace_path)) {
2748                 perror("# perror");
2749         }
2750
2751         strcpy(metadata_path, trace_path);
2752         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2753
2754         writer = bt_ctf_writer_create(trace_path);
2755         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2756
2757         ok(!bt_ctf_writer_get_trace(NULL),
2758                 "bt_ctf_writer_get_trace correctly handles NULL");
2759         trace = bt_ctf_writer_get_trace(writer);
2760         ok(trace,
2761                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2762         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2763                 "Set a trace's byte order to big endian");
2764         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2765                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2766
2767         /* Add environment context to the trace */
2768         ret = gethostname(hostname, sizeof(hostname));
2769         if (ret < 0) {
2770                 return ret;
2771         }
2772         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2773                 "Add host (%s) environment field to writer instance",
2774                 hostname);
2775         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2776                 "test_value"),
2777                 "bt_ctf_writer_add_environment_field error with NULL writer");
2778         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2779                 "test_value"),
2780                 "bt_ctf_writer_add_environment_field error with NULL field name");
2781         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2782                 NULL),
2783                 "bt_ctf_writer_add_environment_field error with NULL field value");
2784
2785         /* Test bt_ctf_trace_set_environment_field with an integer object */
2786         obj = bt_value_integer_create_init(23);
2787         assert(obj);
2788         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2789                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2790         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2791                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2792         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2793                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2794         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2795                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2796         BT_PUT(obj);
2797
2798         /* Test bt_ctf_trace_set_environment_field with a string object */
2799         obj = bt_value_string_create_init("the value");
2800         assert(obj);
2801         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2802                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2803         BT_PUT(obj);
2804
2805         /* Test bt_ctf_trace_set_environment_field_integer */
2806         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2807                 -194875),
2808                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2809         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2810                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2811         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2812                 -164973),
2813                 "bt_ctf_trace_set_environment_field_integer succeeds");
2814
2815         /* Test bt_ctf_trace_set_environment_field_string */
2816         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2817                 "yeah"),
2818                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2819         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2820                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2821         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2822                 NULL),
2823                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2824         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2825                 "oh yeah"),
2826                 "bt_ctf_trace_set_environment_field_string succeeds");
2827
2828         /* Test bt_ctf_trace_get_environment_field_count */
2829         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2830                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2831         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2832                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2833
2834         /* Test bt_ctf_trace_get_environment_field_name */
2835         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2836                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2837         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2838                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2839         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2840                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2841         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2842         ok(ret_string && !strcmp(ret_string, "host"),
2843                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2844         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2845         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2846                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2847         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2848         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2849                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2850         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2851         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2852                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2853         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2854         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2855                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2856
2857         /* Test bt_ctf_trace_get_environment_field_value */
2858         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2859                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2860         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2861                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2862         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2863                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2864         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2865         ret = bt_value_integer_get(obj, &ret_int64_t);
2866         ok(!ret && ret_int64_t == 23,
2867                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2868         BT_PUT(obj);
2869         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2870         ret = bt_value_string_get(obj, &ret_string);
2871         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2872                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2873         BT_PUT(obj);
2874
2875         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2876         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2877                 "test_env_str"),
2878                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2879         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2880                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2881         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2882                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2883         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2884                 "test_env_str");
2885         ret = bt_value_string_get(obj, &ret_string);
2886         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2887                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2888         BT_PUT(obj);
2889
2890         /* Test environment field replacement */
2891         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2892                 654321),
2893                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2894         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2895                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2896         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2897         ret = bt_value_integer_get(obj, &ret_int64_t);
2898         ok(!ret && ret_int64_t == 654321,
2899                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2900         BT_PUT(obj);
2901
2902         /* On Solaris, uname() can return any positive value on success */
2903         if (uname(&name) < 0) {
2904                 perror("uname");
2905                 return -1;
2906         }
2907
2908         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2909                 == 0, "Add sysname (%s) environment field to writer instance",
2910                 name.sysname);
2911         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2912                 name.nodename) == 0,
2913                 "Add nodename (%s) environment field to writer instance",
2914                 name.nodename);
2915         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2916                 == 0, "Add release (%s) environment field to writer instance",
2917                 name.release);
2918         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2919                 == 0, "Add version (%s) environment field to writer instance",
2920                 name.version);
2921         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2922                 == 0, "Add machine (%s) environment field to writer istance",
2923                 name.machine);
2924
2925         /* Define a clock and add it to the trace */
2926         ok(bt_ctf_clock_create("signed") == NULL,
2927                 "Illegal clock name rejected");
2928         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2929         clock = bt_ctf_clock_create(clock_name);
2930         ok(clock, "Clock created sucessfully");
2931         returned_clock_name = bt_ctf_clock_get_name(clock);
2932         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2933         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2934                 "Returned clock name is valid");
2935
2936         returned_clock_description = bt_ctf_clock_get_description(clock);
2937         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2938         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2939                 "Clock description set successfully");
2940
2941         returned_clock_description = bt_ctf_clock_get_description(clock);
2942         ok(returned_clock_description,
2943                 "bt_ctf_clock_get_description returns a description.");
2944         ok(returned_clock_description ?
2945                 !strcmp(returned_clock_description, clock_description) : 0,
2946                 "Returned clock description is valid");
2947
2948         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2949                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2950         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2951                 "Set clock frequency");
2952         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2953                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2954
2955         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2956                 "bt_ctf_clock_get_offset_s succeeds");
2957         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
2958                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2959         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2960                 "Set clock offset (seconds)");
2961         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2962                 "bt_ctf_clock_get_offset_s succeeds");
2963         ok(get_offset_s == offset_s,
2964                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2965
2966         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2967                 "bt_ctf_clock_get_offset succeeds");
2968         ok(get_offset == DEFAULT_CLOCK_OFFSET,
2969                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
2970         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2971         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2972                 "bt_ctf_clock_get_offset succeeds");
2973         ok(get_offset == offset,
2974                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
2975
2976         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2977                 "bt_ctf_clock_get_precision returns the correct default precision");
2978         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2979                 "Set clock precision");
2980         ok(bt_ctf_clock_get_precision(clock) == precision,
2981                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2982
2983         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2984                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2985         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2986                 "Set clock absolute property");
2987         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2988                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2989
2990         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2991                 "bt_ctf_clock_get_time succeeds");
2992         ok(get_time == DEFAULT_CLOCK_TIME,
2993                 "bt_ctf_clock_get_time returns the correct default time");
2994         ok(bt_ctf_clock_get_value(clock) == DEFAULT_CLOCK_VALUE,
2995                 "bt_ctf_clock_get_value returns the correct default value");
2996         ok(bt_ctf_clock_set_value(clock, current_time) == 0,
2997                 "Set clock value");
2998         ok(bt_ctf_clock_get_value(clock) == current_time,
2999                 "bt_ctf_clock_get_value returns the correct value once it is set");
3000         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3001                 "Set clock time");
3002         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3003                 "bt_ctf_clock_get_time succeeds");
3004         ok(get_time >= current_time - 1 && get_time <= current_time + 1,
3005                 "bt_ctf_clock_get_time returns the correct time once it is set");
3006
3007         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
3008                 "Add clock to writer instance");
3009         ok(bt_ctf_writer_add_clock(writer, clock),
3010                 "Verify a clock can't be added twice to a writer instance");
3011
3012         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3013                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3014         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3015                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3016         ok(!bt_ctf_trace_get_clock(NULL, 0),
3017                 "bt_ctf_trace_get_clock correctly handles NULL");
3018         ok(!bt_ctf_trace_get_clock(trace, -1),
3019                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3020         ok(!bt_ctf_trace_get_clock(trace, 1),
3021                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3022         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3023         ok(ret_clock == clock,
3024                 "bt_ctf_trace_get_clock returns the right clock instance");
3025         bt_put(ret_clock);
3026         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3027                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3028         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3029                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3030         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3031                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3032         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3033         ok(ret_clock == clock,
3034                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3035         bt_put(ret_clock);
3036         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3037                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3038
3039         ok(!bt_ctf_clock_get_name(NULL),
3040                 "bt_ctf_clock_get_name correctly handles NULL");
3041         ok(!bt_ctf_clock_get_description(NULL),
3042                 "bt_ctf_clock_get_description correctly handles NULL");
3043         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3044                 "bt_ctf_clock_get_frequency correctly handles NULL");
3045         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3046                 "bt_ctf_clock_get_precision correctly handles NULL");
3047         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3048                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3049         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3050                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3051         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3052                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3053         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3054                 "bt_ctf_clock_get_offset correctly handles NULL output");
3055         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3056                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3057         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3058                 "bt_ctf_clock_get_time correctly handles NULL clock");
3059         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3060                 "bt_ctf_clock_get_time correctly handles NULL output");
3061
3062         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3063                 "bt_ctf_clock_set_description correctly handles NULL clock");
3064         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3065                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3066         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3067                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3068         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3069                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3070         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3071                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3072         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3073                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3074         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3075                 "bt_ctf_clock_set_time correctly handles NULL clock");
3076         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3077                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3078         ret_uuid = bt_ctf_clock_get_uuid(clock);
3079         ok(ret_uuid,
3080                 "bt_ctf_clock_get_uuid returns a UUID");
3081         if (ret_uuid) {
3082                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3083                 /* Slightly modify UUID */
3084                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3085         }
3086
3087         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3088                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3089         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3090                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3091         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3092                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3093         ret_uuid = bt_ctf_clock_get_uuid(clock);
3094         ok(ret_uuid,
3095                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3096         ok(uuid_match(ret_uuid, tmp_uuid),
3097                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3098
3099         /* Define a stream class */
3100         stream_class = bt_ctf_stream_class_create("test_stream");
3101
3102         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3103                 "bt_ctf_stream_class_get_name handles NULL correctly");
3104         ret_string = bt_ctf_stream_class_get_name(stream_class);
3105         ok(ret_string && !strcmp(ret_string, "test_stream"),
3106                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3107
3108         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3109                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3110         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3111                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3112
3113         ok(stream_class, "Create stream class");
3114         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3115                 "Set a stream class' clock");
3116         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3117         ok(ret_clock == clock,
3118                 "bt_ctf_stream_class_get_clock returns a correct clock");
3119         bt_put(ret_clock);
3120
3121         /* Test the event fields and event types APIs */
3122         type_field_tests();
3123
3124         /* Test fields copying */
3125         field_copy_tests();
3126
3127         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3128                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3129         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3130                 "bt_ctf_stream_class_get_id handles NULL correctly");
3131         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3132                 "bt_ctf_stream_class_set_id handles NULL correctly");
3133         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3134                 "Set an stream class' id");
3135         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3136                 "bt_ctf_stream_class_get_id returns the correct value");
3137
3138         /* Validate default event header fields */
3139         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3140                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3141         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3142                 stream_class);
3143         ok(ret_field_type,
3144                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3145         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3146                 "Default event header type is a structure");
3147         event_header_field_type =
3148                 bt_ctf_field_type_structure_get_field_type_by_name(
3149                 ret_field_type, "id");
3150         ok(event_header_field_type,
3151                 "Default event header type contains an \"id\" field");
3152         ok(bt_ctf_field_type_get_type_id(
3153                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3154                 "Default event header \"id\" field is an integer");
3155         bt_put(event_header_field_type);
3156         event_header_field_type =
3157                 bt_ctf_field_type_structure_get_field_type_by_name(
3158                 ret_field_type, "timestamp");
3159         ok(event_header_field_type,
3160                 "Default event header type contains a \"timestamp\" field");
3161         ok(bt_ctf_field_type_get_type_id(
3162                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3163                 "Default event header \"timestamp\" field is an integer");
3164         bt_put(event_header_field_type);
3165         bt_put(ret_field_type);
3166
3167         /* Add a custom trace packet header field */
3168         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3169                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3170         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3171         ok(packet_header_type,
3172                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3173         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3174                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3175         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3176                 packet_header_type, "magic");
3177         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3178         bt_put(ret_field_type);
3179         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3180                 packet_header_type, "uuid");
3181         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3182         bt_put(ret_field_type);
3183         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3184                 packet_header_type, "stream_id");
3185         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3186         bt_put(ret_field_type);
3187
3188         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3189         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3190                 packet_header_field_type, "custom_trace_packet_header_field"),
3191                 "Added a custom trace packet header field successfully");
3192
3193         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3194                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3195         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3196                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3197         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3198                 "Set a trace packet_header_type successfully");
3199
3200         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3201                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3202
3203         /* Add a custom field to the stream class' packet context */
3204         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3205         ok(packet_context_type,
3206                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3207         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3208                 "Packet context is a structure");
3209
3210         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3211                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3212         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3213                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3214
3215         integer_type = bt_ctf_field_type_integer_create(32);
3216         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3217                 integer_type) < 0,
3218                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3219         /* Create a "uint5_t" equivalent custom packet context field */
3220         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3221
3222         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3223                 packet_context_field_type, "custom_packet_context_field");
3224         ok(ret == 0, "Packet context field added successfully");
3225
3226         /* Define a stream event context containing a my_integer field. */
3227         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3228                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3229         ok(bt_ctf_stream_class_get_event_context_type(
3230                 stream_class) == NULL,
3231                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3232         stream_event_context_type = bt_ctf_field_type_structure_create();
3233         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3234                 integer_type, "common_event_context");
3235
3236         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3237                 stream_event_context_type) < 0,
3238                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3239         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3240                 NULL) < 0,
3241                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3242         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3243                 integer_type) < 0,
3244                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3245
3246         ok(bt_ctf_stream_class_set_event_context_type(
3247                 stream_class, stream_event_context_type) == 0,
3248                 "Set a new stream event context type");
3249         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3250                 stream_class);
3251         ok(ret_field_type == stream_event_context_type,
3252                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3253         bt_put(ret_field_type);
3254
3255         /* Instantiate a stream and append events */
3256         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3257         ok(stream1, "Instanciate a stream class from writer");
3258
3259         ok(bt_ctf_stream_get_class(NULL) == NULL,
3260                 "bt_ctf_stream_get_class correctly handles NULL");
3261         ret_stream_class = bt_ctf_stream_get_class(stream1);
3262         ok(ret_stream_class,
3263                 "bt_ctf_stream_get_class returns a stream class");
3264         ok(ret_stream_class == stream_class,
3265                 "Returned stream class is of the correct type");
3266
3267         /*
3268          * Packet header, packet context, event header, and stream
3269          * event context types were copied for the resolving
3270          * process
3271          */
3272         BT_PUT(packet_header_type);
3273         BT_PUT(packet_context_type);
3274         BT_PUT(stream_event_context_type);
3275         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3276         assert(packet_header_type);
3277         packet_context_type =
3278                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3279         assert(packet_context_type);
3280         stream_event_context_type =
3281                 bt_ctf_stream_class_get_event_context_type(stream_class);
3282         assert(stream_event_context_type);
3283
3284         /*
3285          * Try to modify the packet context type after a stream has been
3286          * created.
3287          */
3288         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3289                 packet_header_field_type, "should_fail");
3290         ok(ret < 0,
3291                 "Trace packet header type can't be modified once a stream has been instanciated");
3292
3293         /*
3294          * Try to modify the packet context type after a stream has been
3295          * created.
3296          */
3297         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3298                 packet_context_field_type, "should_fail");
3299         ok(ret < 0,
3300                 "Packet context type can't be modified once a stream has been instanciated");
3301
3302         /*
3303          * Try to modify the stream event context type after a stream has been
3304          * created.
3305          */
3306         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3307                 integer_type, "should_fail");
3308         ok(ret < 0,
3309                 "Stream event context type can't be modified once a stream has been instanciated");
3310
3311         /* Should fail after instanciating a stream (frozen) */
3312         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3313                 "Changes to a stream class that was already instantiated fail");
3314
3315         /* Populate the custom packet header field only once for all tests */
3316         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3317                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3318         packet_header = bt_ctf_stream_get_packet_header(stream1);
3319         ok(packet_header,
3320                 "bt_ctf_stream_get_packet_header returns a packet header");
3321         ret_field_type = bt_ctf_field_get_type(packet_header);
3322         ok(ret_field_type == packet_header_type,
3323                 "Stream returns a packet header of the appropriate type");
3324         bt_put(ret_field_type);
3325         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3326                 "custom_trace_packet_header_field");
3327         ok(packet_header_field,
3328                 "Packet header structure contains a custom field with the appropriate name");
3329         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3330         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3331                 "Custom packet header field is of the expected type");
3332         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3333                 54321), "Set custom packet header value successfully");
3334         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3335                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3336         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3337                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3338         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3339                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3340         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3341                 "Successfully set a stream's packet header");
3342
3343         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3344                 "Add environment field to writer after stream creation");
3345
3346         test_instanciate_event_before_stream(writer);
3347
3348         append_simple_event(stream_class, stream1, clock);
3349
3350         packet_resize_test(stream_class, stream1, clock);
3351
3352         append_complex_event(stream_class, stream1, clock);
3353
3354         append_existing_event_class(stream_class);
3355
3356         test_empty_stream(writer);
3357
3358         test_custom_event_header_stream(writer);
3359
3360         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3361         ok(metadata_string, "Get metadata string");
3362
3363         bt_ctf_writer_flush_metadata(writer);
3364         validate_metadata(argv[1], metadata_path);
3365         validate_trace(argv[2], trace_path);
3366
3367         bt_put(clock);
3368         bt_put(ret_stream_class);
3369         bt_put(writer);
3370         bt_put(stream1);
3371         bt_put(packet_context_type);
3372         bt_put(packet_context_field_type);
3373         bt_put(integer_type);
3374         bt_put(stream_event_context_type);
3375         bt_put(ret_field_type);
3376         bt_put(packet_header_type);
3377         bt_put(packet_header_field_type);
3378         bt_put(packet_header);
3379         bt_put(packet_header_field);
3380         bt_put(trace);
3381         free(metadata_string);
3382         bt_put(stream_class);
3383
3384         /* Remove all trace files and delete temporary trace directory */
3385         DIR *trace_dir = opendir(trace_path);
3386         if (!trace_dir) {
3387                 perror("# opendir");
3388                 return -1;
3389         }
3390
3391         struct dirent *entry;
3392         while ((entry = readdir(trace_dir))) {
3393                 struct stat st;
3394                 char filename[PATH_MAX];
3395
3396                 if (snprintf(filename, sizeof(filename), "%s/%s",
3397                                         trace_path, entry->d_name) <= 0) {
3398                         continue;
3399                 }
3400
3401                 if (stat(entry->d_name, &st)) {
3402                         continue;
3403                 }
3404
3405                 if (S_ISREG(st.st_mode)) {
3406                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3407                 }
3408         }
3409
3410         rmdir(trace_path);
3411         closedir(trace_dir);
3412         return 0;
3413 }