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 <string.h>
  38 #include <assert.h>
  39 #include <sys/wait.h>
  40 #include <fcntl.h>
  41 #include <babeltrace/compat/dirent.h>
  42 #include "tap/tap.h"
  43 #include <math.h>
  44 #include <float.h>
  45
  46 #define METADATA_LINE_SIZE 512
  47 #define SEQUENCE_TEST_LENGTH 10
  48 #define ARRAY_TEST_LENGTH 5
  49 #define PACKET_RESIZE_TEST_LENGTH 100000
  50
  51 #define DEFAULT_CLOCK_FREQ 1000000000
  52 #define DEFAULT_CLOCK_PRECISION 1
  53 #define DEFAULT_CLOCK_OFFSET 0
  54 #define DEFAULT_CLOCK_OFFSET_S 0
  55 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  56 #define DEFAULT_CLOCK_TIME 0
  57
  58 static uint64_t current_time = 42;
  59
  60 /* Return 1 if uuids match, zero if different. */
  61 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  62 {
  63         int ret = 0;
  64         int i;
  65
  66         if (!uuid_a || !uuid_b) {
  67                 goto end;
  68         }
  69
  70         for (i = 0; i < 16; i++) {
  71                 if (uuid_a[i] != uuid_b[i]) {
  72                         goto end;
  73                 }
  74         }
  75
  76         ret = 1;
  77 end:
  78         return ret;
  79 }
  80
  81 void validate_metadata(char *parser_path, char *metadata_path)
  82 {
  83         int ret = 0;
  84         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  85         int parser_output_fd = -1, metadata_fd = -1;
  86
  87         if (!metadata_path) {
  88                 ret = -1;
  89                 goto result;
  90         }
  91
  92         parser_output_fd = mkstemp(parser_output_path);
  93         metadata_fd = open(metadata_path, O_RDONLY);
  94
  95         unlink(parser_output_path);
  96
  97         if (parser_output_fd == -1 || metadata_fd == -1) {
  98                 diag("Failed create temporary files for metadata parsing.");
  99                 ret = -1;
 100                 goto result;
 101         }
 102
 103         pid_t pid = fork();
 104         if (pid) {
 105                 int status = 0;
 106                 waitpid(pid, &status, 0);
 107                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 108         } else {
 109                 /* ctf-parser-test expects a metadata string on stdin. */
 110                 ret = dup2(metadata_fd, STDIN_FILENO);
 111                 if (ret < 0) {
 112                         perror("# dup2 metadata_fd to STDIN");
 113                         goto result;
 114                 }
 115
 116                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 117                 if (ret < 0) {
 118                         perror("# dup2 parser_output_fd to STDOUT");
 119                         goto result;
 120                 }
 121
 122                 ret = dup2(parser_output_fd, STDERR_FILENO);
 123                 if (ret < 0) {
 124                         perror("# dup2 parser_output_fd to STDERR");
 125                         goto result;
 126                 }
 127
 128                 execl(parser_path, "ctf-parser-test", NULL);
 129                 perror("# Could not launch the ctf metadata parser process");
 130                 exit(-1);
 131         }
 132 result:
 133         ok(ret == 0, "Metadata string is valid");
 134
 135         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 136                 char *line;
 137                 size_t len = METADATA_LINE_SIZE;
 138                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 139
 140                 metadata_fp = fdopen(metadata_fd, "r");
 141                 if (!metadata_fp) {
 142                         perror("fdopen on metadata_fd");
 143                         goto close_fp;
 144                 }
 145                 metadata_fd = -1;
 146
 147                 parser_output_fp = fdopen(parser_output_fd, "r");
 148                 if (!parser_output_fp) {
 149                         perror("fdopen on parser_output_fd");
 150                         goto close_fp;
 151                 }
 152                 parser_output_fd = -1;
 153
 154                 line = malloc(len);
 155                 if (!line) {
 156                         diag("malloc failure");
 157                 }
 158
 159                 rewind(metadata_fp);
 160
 161                 /* Output the metadata and parser output as diagnostic */
 162                 while (getline(&line, &len, metadata_fp) > 0) {
 163                         fprintf(stderr, "# %s", line);
 164                 }
 165
 166                 rewind(parser_output_fp);
 167                 while (getline(&line, &len, parser_output_fp) > 0) {
 168                         fprintf(stderr, "# %s", line);
 169                 }
 170
 171                 free(line);
 172 close_fp:
 173                 if (metadata_fp) {
 174                         if (fclose(metadata_fp)) {
 175                                 diag("fclose failure");
 176                         }
 177                 }
 178                 if (parser_output_fp) {
 179                         if (fclose(parser_output_fp)) {
 180                                 diag("fclose failure");
 181                         }
 182                 }
 183         }
 184
 185         if (parser_output_fd >= 0) {
 186                 if (close(parser_output_fd)) {
 187                         diag("close error");
 188                 }
 189         }
 190         if (metadata_fd >= 0) {
 191                 if (close(metadata_fd)) {
 192                         diag("close error");
 193                 }
 194         }
 195 }
 196
 197 void validate_trace(char *parser_path, char *trace_path)
 198 {
 199         int ret = 0;
 200         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 201         int babeltrace_output_fd = -1;
 202
 203         if (!trace_path) {
 204                 ret = -1;
 205                 goto result;
 206         }
 207
 208         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 209         unlink(babeltrace_output_path);
 210
 211         if (babeltrace_output_fd == -1) {
 212                 diag("Failed to create a temporary file for trace parsing.");
 213                 ret = -1;
 214                 goto result;
 215         }
 216
 217         pid_t pid = fork();
 218         if (pid) {
 219                 int status = 0;
 220                 waitpid(pid, &status, 0);
 221                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 222         } else {
 223                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 224                 if (ret < 0) {
 225                         perror("# dup2 babeltrace_output_fd to STDOUT");
 226                         goto result;
 227                 }
 228
 229                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 230                 if (ret < 0) {
 231                         perror("# dup2 babeltrace_output_fd to STDERR");
 232                         goto result;
 233                 }
 234
 235                 execl(parser_path, "babeltrace", trace_path, NULL);
 236                 perror("# Could not launch the babeltrace process");
 237                 exit(-1);
 238         }
 239 result:
 240         ok(ret == 0, "Babeltrace could read the resulting trace");
 241
 242         if (ret && babeltrace_output_fd >= 0) {
 243                 char *line;
 244                 size_t len = METADATA_LINE_SIZE;
 245                 FILE *babeltrace_output_fp = NULL;
 246
 247                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 248                 if (!babeltrace_output_fp) {
 249                         perror("fdopen on babeltrace_output_fd");
 250                         goto close_fp;
 251                 }
 252                 babeltrace_output_fd = -1;
 253
 254                 line = malloc(len);
 255                 if (!line) {
 256                         diag("malloc error");
 257                 }
 258                 rewind(babeltrace_output_fp);
 259                 while (getline(&line, &len, babeltrace_output_fp) > 0) {
 260                         diag("%s", line);
 261                 }
 262
 263                 free(line);
 264 close_fp:
 265                 if (babeltrace_output_fp) {
 266                         if (fclose(babeltrace_output_fp)) {
 267                                 diag("fclose error");
 268                         }
 269                 }
 270         }
 271
 272         if (babeltrace_output_fd >= 0) {
 273                 if (close(babeltrace_output_fd)) {
 274                         diag("close error");
 275                 }
 276         }
 277 }
 278
 279 void event_copy_tests(struct bt_ctf_event *event)
 280 {
 281         struct bt_ctf_event *copy;
 282         struct bt_ctf_event_class *orig_event_class;
 283         struct bt_ctf_event_class *copy_event_class;
 284         struct bt_ctf_stream *orig_stream;
 285         struct bt_ctf_stream *copy_stream;
 286         struct bt_ctf_field *orig_field;
 287         struct bt_ctf_field *copy_field;
 288
 289         /* copy */
 290         ok(!bt_ctf_event_copy(NULL),
 291                 "bt_ctf_event_copy handles NULL correctly");
 292         copy = bt_ctf_event_copy(event);
 293         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 294
 295         /* validate event class */
 296         orig_event_class = bt_ctf_event_get_class(event);
 297         assert(orig_event_class);
 298         copy_event_class = bt_ctf_event_get_class(copy);
 299         ok(orig_event_class == copy_event_class,
 300                 "original and copied events share the same event class pointer");
 301         bt_put(orig_event_class);
 302         bt_put(copy_event_class);
 303
 304         /* validate stream */
 305         orig_stream = bt_ctf_event_get_stream(event);
 306         copy_stream = bt_ctf_event_get_stream(copy);
 307
 308         if (!orig_stream) {
 309                 ok(!copy_stream, "original and copied events have no stream");
 310         } else {
 311                 ok(orig_stream == copy_stream,
 312                         "original and copied events share the same stream pointer");
 313         }
 314         bt_put(orig_stream);
 315         bt_put(copy_stream);
 316
 317         /* header */
 318         orig_field = bt_ctf_event_get_header(event);
 319         copy_field = bt_ctf_event_get_header(copy);
 320
 321         if (!orig_field) {
 322                 ok(!copy_field, "original and copied events have no header");
 323         } else {
 324                 ok(orig_field != copy_field,
 325                         "original and copied events headers are different pointers");
 326         }
 327
 328         bt_put(orig_field);
 329         bt_put(copy_field);
 330
 331         /* context */
 332         orig_field = bt_ctf_event_get_event_context(event);
 333         copy_field = bt_ctf_event_get_event_context(copy);
 334
 335         if (!orig_field) {
 336                 ok(!copy_field, "original and copied events have no context");
 337         } else {
 338                 ok(orig_field != copy_field,
 339                         "original and copied events contexts are different pointers");
 340         }
 341
 342         bt_put(orig_field);
 343         bt_put(copy_field);
 344
 345         /* payload */
 346         orig_field = bt_ctf_event_get_payload_field(event);
 347         copy_field = bt_ctf_event_get_payload_field(copy);
 348
 349         if (!orig_field) {
 350                 ok(!copy_field, "original and copied events have no payload");
 351         } else {
 352                 ok(orig_field != copy_field,
 353                         "original and copied events payloads are different pointers");
 354         }
 355
 356         bt_put(orig_field);
 357         bt_put(copy_field);
 358
 359         bt_put(copy);
 360 }
 361
 362 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 363                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 364 {
 365         /* Create and add a simple event class */
 366         struct bt_ctf_event_class *simple_event_class =
 367                 bt_ctf_event_class_create("Simple Event");
 368         struct bt_ctf_field_type *uint_12_type =
 369                 bt_ctf_field_type_integer_create(12);
 370         struct bt_ctf_field_type *int_64_type =
 371                 bt_ctf_field_type_integer_create(64);
 372         struct bt_ctf_field_type *float_type =
 373                 bt_ctf_field_type_floating_point_create();
 374         struct bt_ctf_field_type *enum_type;
 375         struct bt_ctf_field_type *enum_type_unsigned =
 376                 bt_ctf_field_type_enumeration_create(uint_12_type);
 377         struct bt_ctf_field_type *event_context_type =
 378                 bt_ctf_field_type_structure_create();
 379         struct bt_ctf_field_type *returned_type;
 380         struct bt_ctf_event *simple_event;
 381         struct bt_ctf_field *integer_field;
 382         struct bt_ctf_field *float_field;
 383         struct bt_ctf_field *enum_field;
 384         struct bt_ctf_field *enum_field_unsigned;
 385         struct bt_ctf_field *enum_container_field;
 386         const char *mapping_name_test = "truie";
 387         const double double_test_value = 3.1415;
 388         struct bt_ctf_field *enum_container_field_unsigned;
 389         const char *mapping_name_negative_test = "negative_value";
 390         const char *ret_char;
 391         double ret_double;
 392         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 393         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 394         struct bt_ctf_clock *ret_clock;
 395         struct bt_ctf_event_class *ret_event_class;
 396         struct bt_ctf_field *packet_context;
 397         struct bt_ctf_field *packet_context_field;
 398         struct bt_ctf_field *stream_event_context;
 399         struct bt_ctf_field *stream_event_context_field;
 400         struct bt_ctf_field *event_context;
 401         struct bt_ctf_field *event_context_field;
 402
 403         ok(uint_12_type, "Create an unsigned integer type");
 404
 405         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 406         ok(int_64_type, "Create a signed integer type");
 407         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 408
 409         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 410         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 411         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 412         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 413                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 414         bt_put(returned_type);
 415
 416         bt_ctf_field_type_set_alignment(float_type, 32);
 417         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 418                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 419         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 420                 "bt_ctf_field_type_get_alignment returns a correct value");
 421
 422         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 423                 "Set a floating point type's exponent digit count");
 424         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 425                 "Set a floating point type's mantissa digit count");
 426
 427         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 428                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 429         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 430                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 431         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 432                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 433         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 434                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 435
 436         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 437                 mapping_name_negative_test, -12345, 0) == 0,
 438                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 439         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 440                 "escaping; \"test\"", 1, 1) == 0,
 441                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 442         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 443                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 444                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 445         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 446                 "event clock int float", 5, 22) == 0,
 447                 "Accept enumeration mapping strings containing reserved keywords");
 448         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 449                 42, 42);
 450         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 451                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 452         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 453                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 454         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 455                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 456         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 457
 458         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 459                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 460         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 461                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 462         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 463                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 464
 465         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 466                 "enum_field") == 0, "Add signed enumeration field to event");
 467
 468         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 469                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 470                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 471         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 472                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 473                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 474         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 475                 NULL, &ret_range_end_int64_t) < 0,
 476                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 477         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 478                 &ret_range_start_int64_t, NULL) < 0,
 479                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 480         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 481                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 482                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 483         ok(!strcmp(ret_char, mapping_name_test),
 484                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 485         ok(ret_range_start_int64_t == 42,
 486                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 487         ok(ret_range_end_int64_t == 42,
 488                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 489
 490         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 491                 "escaping; \"test\"", 0, 0) == 0,
 492                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 493         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 494                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 495                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 496         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 497                 "event clock int float", 5, 22) == 0,
 498                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 499         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 500                 42, 42);
 501         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 502                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 503         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 504                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 505         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 506                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 507         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 508                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 509
 510         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 511                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 512         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 513                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 514
 515         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 516                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 517                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 518         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 519                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 520                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 521         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 522                 NULL, &ret_range_end_uint64_t) < 0,
 523                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 524         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 525                 &ret_range_start_uint64_t, NULL) < 0,
 526                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 527         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 528                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 529                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 530         ok(!strcmp(ret_char, mapping_name_test),
 531                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 532         ok(ret_range_start_uint64_t == 42,
 533                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 534         ok(ret_range_end_uint64_t == 42,
 535                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 536
 537         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 538                 "integer_field");
 539         bt_ctf_event_class_add_field(simple_event_class, float_type,
 540                 "float_field");
 541
 542         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 543
 544         /* Set an event context type which will contain a single integer*/
 545         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 546                 "event_specific_context"),
 547                 "Add event specific context field");
 548         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 549                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 550         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 551                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 552
 553         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 554                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 555         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 556                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 557         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 558                 "Set an event class' context type successfully");
 559         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 560         ok(returned_type == event_context_type,
 561                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 562         bt_put(returned_type);
 563
 564         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 565
 566         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 567                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 568         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 569                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 570         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 571                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 572         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 573                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 574         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 575         ok(ret_event_class == simple_event_class,
 576                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 577         bt_put(ret_event_class);
 578         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 579                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 580         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 581                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 582         ret_event_class =
 583                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 584         ok(ret_event_class == simple_event_class,
 585                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 586         bt_put(ret_event_class);
 587
 588         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 589                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 590         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 591                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 592         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 593                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 594         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 595         ok(ret_event_class == simple_event_class,
 596                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 597         bt_put(ret_event_class);
 598
 599         simple_event = bt_ctf_event_create(simple_event_class);
 600         ok(simple_event,
 601                 "Instantiate an event containing a single integer field");
 602
 603         ok(bt_ctf_event_get_clock(NULL) == NULL,
 604                 "bt_ctf_event_get_clock handles NULL correctly");
 605         ret_clock = bt_ctf_event_get_clock(simple_event);
 606         ok(ret_clock == clock,
 607                 "bt_ctf_event_get_clock returns a correct clock");
 608         bt_put(clock);
 609
 610         integer_field = bt_ctf_field_create(uint_12_type);
 611         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 612         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 613                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 614
 615         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 616         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 617                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 618         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 619         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 620                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 621         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 622                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 623         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 624                 "bt_ctf_field_floating_point_get_value returns a double value");
 625         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 626                 "bt_ctf_field_floating_point_get_value returns a correct value");
 627
 628         enum_field = bt_ctf_field_create(enum_type);
 629         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 630         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 631         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 632         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 633         enum_container_field = bt_ctf_field_enumeration_get_container(
 634                 enum_field);
 635         ok(bt_ctf_field_signed_integer_set_value(
 636                 enum_container_field, -42) == 0,
 637                 "Set signed enumeration container value");
 638         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 639         ok(!strcmp(ret_char, mapping_name_negative_test),
 640                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 641         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 642
 643         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 644         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 645                 enum_field_unsigned);
 646         ok(bt_ctf_field_unsigned_integer_set_value(
 647                 enum_container_field_unsigned, 42) == 0,
 648                 "Set unsigned enumeration container value");
 649         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 650                 enum_field_unsigned);
 651         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 652         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 653                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 654
 655         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 656
 657         /* Populate stream event context */
 658         stream_event_context = bt_ctf_stream_get_event_context(stream);
 659         stream_event_context_field = bt_ctf_field_structure_get_field(
 660                 stream_event_context, "common_event_context");
 661         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 662
 663         /* Populate the event's context */
 664         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 665                 "bt_ctf_event_get_event_context handles NULL correctly");
 666         event_context = bt_ctf_event_get_event_context(simple_event);
 667         ok(event_context,
 668                 "bt_ctf_event_get_event_context returns a field");
 669         returned_type = bt_ctf_field_get_type(event_context);
 670         ok(returned_type == event_context_type,
 671                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 672         event_context_field = bt_ctf_field_structure_get_field(event_context,
 673                 "event_specific_context");
 674         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 675                 "Successfully set an event context's value");
 676         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 677                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 678         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 679                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 680         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 681                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 682         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 683                 "Set an event context successfully");
 684
 685         event_copy_tests(simple_event);
 686         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 687                 "Append simple event to trace stream");
 688
 689         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 690                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 691         packet_context = bt_ctf_stream_get_packet_context(stream);
 692         ok(packet_context,
 693                 "bt_ctf_stream_get_packet_context returns a packet context");
 694
 695         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 696                 "packet_size");
 697         ok(packet_context_field,
 698                 "Packet context contains the default packet_size field.");
 699         bt_put(packet_context_field);
 700         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 701                 "custom_packet_context_field");
 702         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 703                 "Custom packet context field value successfully set.");
 704
 705         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 706                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 707         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 708                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 709         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 710                 "Successfully set a stream's packet context");
 711
 712         ok(bt_ctf_stream_flush(stream) == 0,
 713                 "Flush trace stream with one event");
 714
 715         bt_put(simple_event_class);
 716         bt_put(simple_event);
 717         bt_put(uint_12_type);
 718         bt_put(int_64_type);
 719         bt_put(float_type);
 720         bt_put(enum_type);
 721         bt_put(enum_type_unsigned);
 722         bt_put(returned_type);
 723         bt_put(event_context_type);
 724         bt_put(integer_field);
 725         bt_put(float_field);
 726         bt_put(enum_field);
 727         bt_put(enum_field_unsigned);
 728         bt_put(enum_container_field);
 729         bt_put(enum_container_field_unsigned);
 730         bt_put(packet_context);
 731         bt_put(packet_context_field);
 732         bt_put(stream_event_context);
 733         bt_put(stream_event_context_field);
 734         bt_put(event_context);
 735         bt_put(event_context_field);
 736 }
 737
 738 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 739                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 740 {
 741         struct event_class_attrs_counts {
 742                 int id;
 743                 int name;
 744                 int loglevel;
 745                 int modelemfuri;
 746                 int unknown;
 747         } attrs_count;
 748
 749         int i;
 750         int ret;
 751         int64_t int64_value;
 752         struct event_class_attrs_counts ;
 753         const char *complex_test_event_string = "Complex Test Event";
 754         const char *test_string_1 = "Test ";
 755         const char *test_string_2 = "string ";
 756         const char *test_string_3 = "abcdefghi";
 757         const char *test_string_4 = "abcd\0efg\0hi";
 758         const char *test_string_cat = "Test string abcdeabcd";
 759         struct bt_ctf_field_type *uint_35_type =
 760                 bt_ctf_field_type_integer_create(35);
 761         struct bt_ctf_field_type *int_16_type =
 762                 bt_ctf_field_type_integer_create(16);
 763         struct bt_ctf_field_type *uint_3_type =
 764                 bt_ctf_field_type_integer_create(3);
 765         struct bt_ctf_field_type *enum_variant_type =
 766                 bt_ctf_field_type_enumeration_create(uint_3_type);
 767         struct bt_ctf_field_type *variant_type =
 768                 bt_ctf_field_type_variant_create(enum_variant_type,
 769                         "variant_selector");
 770         struct bt_ctf_field_type *string_type =
 771                 bt_ctf_field_type_string_create();
 772         struct bt_ctf_field_type *sequence_type;
 773         struct bt_ctf_field_type *array_type;
 774         struct bt_ctf_field_type *inner_structure_type =
 775                 bt_ctf_field_type_structure_create();
 776         struct bt_ctf_field_type *complex_structure_type =
 777                 bt_ctf_field_type_structure_create();
 778         struct bt_ctf_field_type *ret_field_type;
 779         struct bt_ctf_event_class *event_class;
 780         struct bt_ctf_event *event;
 781         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 782                 *inner_structure_field, *complex_structure_field,
 783                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 784                 *variant_field, *an_array_field, *ret_field;
 785         uint64_t ret_unsigned_int;
 786         int64_t ret_signed_int;
 787         const char *ret_string;
 788         struct bt_ctf_stream_class *ret_stream_class;
 789         struct bt_ctf_event_class *ret_event_class;
 790         struct bt_ctf_field *packet_context, *packet_context_field;
 791         struct bt_value *obj;
 792
 793         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 794                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 795         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 796                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 797         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 798                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 799         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 800                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 801         bt_ctf_field_type_set_alignment(int_16_type, 32);
 802         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 803         bt_ctf_field_type_integer_set_base(uint_35_type,
 804                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 805
 806         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 807         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 808                 "seq_len");
 809
 810         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 811                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 812         ret_field_type = bt_ctf_field_type_array_get_element_type(
 813                 array_type);
 814         ok(ret_field_type == int_16_type,
 815                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 816         bt_put(ret_field_type);
 817
 818         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 819                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 820         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 821                 "bt_ctf_field_type_array_get_length returns the correct length");
 822
 823         bt_ctf_field_type_structure_add_field(inner_structure_type,
 824                 uint_35_type, "seq_len");
 825         bt_ctf_field_type_structure_add_field(inner_structure_type,
 826                 sequence_type, "a_sequence");
 827         bt_ctf_field_type_structure_add_field(inner_structure_type,
 828                 array_type, "an_array");
 829
 830         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 831                 "UINT3_TYPE", 0, 0);
 832         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 833                 "INT16_TYPE", 1, 1);
 834         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 835                 "UINT35_TYPE", 2, 7);
 836
 837         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 838                 "INT16_TYPE") < 0,
 839                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 840         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 841                 enum_variant_type, NULL) < 0,
 842                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 843         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 844                 enum_variant_type, "INT16_TYPE") == 1,
 845                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 846
 847         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 848                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 849         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 850                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 851         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 852                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 853
 854         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 855                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 856         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 857                 "UINT3_TYPE") == 0, "Add a field to a variant");
 858         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 859                 "INT16_TYPE");
 860         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 861                 "UINT35_TYPE");
 862
 863         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 864                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 865         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 866         ok(ret_field_type == enum_variant_type,
 867                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 868         bt_put(ret_field_type);
 869
 870         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 871                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 872         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 873         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 874                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 875         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 876                 "INT16_TYPE") == NULL,
 877                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 878         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 879                 NULL) == NULL,
 880                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 881         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 882                 variant_type, "INT16_TYPE");
 883         ok(ret_field_type == int_16_type,
 884                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 885         bt_put(ret_field_type);
 886
 887         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 888                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 889         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 890                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 891
 892         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 893                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 894         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 895                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 896         bt_put(ret_field_type);
 897         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 898                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 899         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 900                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 901         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 902                 "bt_ctf_field_type_variant_get_field returns a field");
 903         ok(!strcmp("INT16_TYPE", ret_string),
 904                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 905         ok(ret_field_type == int_16_type,
 906                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 907         bt_put(ret_field_type);
 908
 909         bt_ctf_field_type_structure_add_field(complex_structure_type,
 910                 enum_variant_type, "variant_selector");
 911         bt_ctf_field_type_structure_add_field(complex_structure_type,
 912                 string_type, "a_string");
 913         bt_ctf_field_type_structure_add_field(complex_structure_type,
 914                 variant_type, "variant_value");
 915         bt_ctf_field_type_structure_add_field(complex_structure_type,
 916                 inner_structure_type, "inner_structure");
 917
 918         ok(bt_ctf_event_class_create("clock") == NULL,
 919                 "Reject creation of an event class with an illegal name");
 920         event_class = bt_ctf_event_class_create(complex_test_event_string);
 921         ok(event_class, "Create an event class");
 922         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 923                 "Reject addition of a field with an empty name to an event");
 924         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 925                 "Reject addition of a field with a NULL type to an event");
 926         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 927                 "int"),
 928                 "Reject addition of a type with an illegal name to an event");
 929         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 930                 "uint_35") == 0,
 931                 "Add field of type unsigned integer to an event");
 932         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 933                 "int_16") == 0, "Add field of type signed integer to an event");
 934         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 935                 "complex_structure") == 0,
 936                 "Add composite structure to an event");
 937
 938         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 939                 "bt_ctf_event_class_get_name handles NULL correctly");
 940         ret_string = bt_ctf_event_class_get_name(event_class);
 941         ok(!strcmp(ret_string, complex_test_event_string),
 942                 "bt_ctf_event_class_get_name returns a correct name");
 943         ok(bt_ctf_event_class_get_id(event_class) < 0,
 944                 "bt_ctf_event_class_get_id returns a negative value when not set");
 945         ok(bt_ctf_event_class_get_id(NULL) < 0,
 946                 "bt_ctf_event_class_get_id handles NULL correctly");
 947         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 948                 "bt_ctf_event_class_set_id handles NULL correctly");
 949         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 950                 "Set an event class' id");
 951         ok(bt_ctf_event_class_get_id(event_class) == 42,
 952                 "bt_ctf_event_class_get_id returns the correct value");
 953
 954         /* Test event class attributes */
 955         obj = bt_value_integer_create_init(15);
 956         assert(obj);
 957         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 958                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 959         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 960                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 961         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 962                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 963         assert(!bt_value_integer_set(obj, -3));
 964         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 965                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 966         assert(!bt_value_integer_set(obj, 11));
 967         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 968         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 969                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 970         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 971         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 972         ok(ret,
 973                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 974         BT_PUT(obj);
 975
 976         obj = bt_value_integer_create_init(5);
 977         assert(obj);
 978         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 979                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 980         BT_PUT(obj);
 981         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 982                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 983         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 984                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 985         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 986                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 987         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 988                 "loglevel");
 989         int64_value = 0;
 990         ret = bt_value_integer_get(obj, &int64_value);
 991         ok(obj && !ret && int64_value == 5,
 992                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 993         BT_PUT(obj);
 994
 995         obj = bt_value_string_create_init("nu name");
 996         assert(obj);
 997         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 998         ret_string = bt_ctf_event_class_get_name(event_class);
 999         ok(!strcmp(ret_string, "nu name"),
1000                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1001         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1002         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1003         ok(ret,
1004                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1005         BT_PUT(obj);
1006         obj = bt_value_string_create_init("http://kernel.org/");
1007         assert(obj);
1008         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1009         BT_PUT(obj);
1010
1011         ok(bt_ctf_event_class_get_attribute_count(NULL),
1012                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1013         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1014                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1015         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1016                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1017         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1018                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1019         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1020                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1021         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1022                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1023
1024         memset(&attrs_count, 0, sizeof(attrs_count));
1025
1026         for (i = 0; i < 4; ++i) {
1027                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1028                         i);
1029                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1030                 assert(ret_string && obj);
1031
1032                 if (!strcmp(ret_string, "id")) {
1033                         attrs_count.id++;
1034                         ok(bt_value_is_integer(obj),
1035                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1036                                 ret_string);
1037                 } else if (!strcmp(ret_string, "name")) {
1038                         attrs_count.name++;
1039                         ok(bt_value_is_string(obj),
1040                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1041                                 ret_string);
1042                 } else if (!strcmp(ret_string, "loglevel")) {
1043                         attrs_count.loglevel++;
1044                         ok(bt_value_is_integer(obj),
1045                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1046                                 ret_string);
1047                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1048                         attrs_count.modelemfuri++;
1049                         ok(bt_value_is_string(obj),
1050                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1051                                 ret_string);
1052                 } else {
1053                         attrs_count.unknown++;
1054                 }
1055
1056                 BT_PUT(obj);
1057         }
1058
1059         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1060         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1061                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1062                 "event class has one instance of each known attribute");
1063
1064         /* Add event class to the stream class */
1065         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1066                 "Reject addition of NULL event class to a stream class");
1067         ok(bt_ctf_stream_class_add_event_class(stream_class,
1068                 event_class) == 0, "Add an event class to stream class");
1069
1070         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1071                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1072         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1073         ok(ret_stream_class == stream_class,
1074                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1075         bt_put(ret_stream_class);
1076
1077         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1078                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1079         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1080                 "bt_ctf_event_class_get_field_count returns a correct value");
1081
1082         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1083                 &ret_field_type, 0) < 0,
1084                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1085         ok(bt_ctf_event_class_get_field(event_class, NULL,
1086                 &ret_field_type, 0) == 0,
1087                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1088         bt_put(ret_field_type);
1089         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1090                 NULL, 0) == 0,
1091                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1092         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1093                 &ret_field_type, 42) < 0,
1094                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1095         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1096                 &ret_field_type, 0) == 0,
1097                 "bt_ctf_event_class_get_field returns a field");
1098         ok(ret_field_type == uint_35_type,
1099                 "bt_ctf_event_class_get_field returns a correct field type");
1100         bt_put(ret_field_type);
1101         ok(!strcmp(ret_string, "uint_35"),
1102                 "bt_ctf_event_class_get_field returns a correct field name");
1103         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1104                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1105         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1106                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1107         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1108                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1109         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1110                 "complex_structure");
1111         ok(ret_field_type == complex_structure_type,
1112                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1113         bt_put(ret_field_type);
1114
1115         event = bt_ctf_event_create(event_class);
1116         ok(event, "Instanciate a complex event");
1117
1118         ok(bt_ctf_event_get_class(NULL) == NULL,
1119                 "bt_ctf_event_get_class handles NULL correctly");
1120         ret_event_class = bt_ctf_event_get_class(event);
1121         ok(ret_event_class == event_class,
1122                 "bt_ctf_event_get_class returns the correct event class");
1123         bt_put(ret_event_class);
1124
1125         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1126         if (!uint_35_field) {
1127                 printf("uint_35_field is NULL\n");
1128         }
1129
1130         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1131         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1132         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1133                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1134         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1135                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1136         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1137                 &ret_unsigned_int) == 0,
1138                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1139         ok(ret_unsigned_int == 0x0DDF00D,
1140                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1141         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1142                 &ret_signed_int) < 0,
1143                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1144         bt_put(uint_35_field);
1145
1146         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1147         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1148         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1149                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1150         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1151                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1152         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1153                 &ret_signed_int) == 0,
1154                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1155         ok(ret_signed_int == -12345,
1156                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1157         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1158                 &ret_unsigned_int) < 0,
1159                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1160         bt_put(int_16_field);
1161
1162         complex_structure_field = bt_ctf_event_get_payload(event,
1163                 "complex_structure");
1164
1165         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1166                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1167         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1168                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1169         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1170                 complex_structure_field, 3);
1171         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1172         bt_put(inner_structure_field);
1173         ok(ret_field_type == inner_structure_type,
1174                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1175         bt_put(ret_field_type);
1176
1177         inner_structure_field = bt_ctf_field_structure_get_field(
1178                 complex_structure_field, "inner_structure");
1179         a_string_field = bt_ctf_field_structure_get_field(
1180                 complex_structure_field, "a_string");
1181         enum_variant_field = bt_ctf_field_structure_get_field(
1182                 complex_structure_field, "variant_selector");
1183         variant_field = bt_ctf_field_structure_get_field(
1184                 complex_structure_field, "variant_value");
1185         uint_35_field = bt_ctf_field_structure_get_field(
1186                 inner_structure_field, "seq_len");
1187         a_sequence_field = bt_ctf_field_structure_get_field(
1188                 inner_structure_field, "a_sequence");
1189         an_array_field = bt_ctf_field_structure_get_field(
1190                 inner_structure_field, "an_array");
1191
1192         enum_container_field = bt_ctf_field_enumeration_get_container(
1193                 enum_variant_field);
1194         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1195         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1196                 enum_variant_field);
1197         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1198         bt_put(int_16_field);
1199         ok(!bt_ctf_field_string_get_value(a_string_field),
1200                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1201         bt_ctf_field_string_set_value(a_string_field,
1202                 test_string_1);
1203         ok(!bt_ctf_field_string_get_value(NULL),
1204                 "bt_ctf_field_string_get_value correctly handles NULL");
1205         ok(bt_ctf_field_string_append(NULL, "yeah"),
1206                 "bt_ctf_field_string_append correctly handles a NULL string field");
1207         ok(bt_ctf_field_string_append(a_string_field, NULL),
1208                 "bt_ctf_field_string_append correctly handles a NULL string value");
1209         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1210                 "bt_ctf_field_string_append succeeds");
1211         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1212                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1213         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1214                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1215         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1216                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1217         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1218                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1219         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1220                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1221         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1222                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1223
1224         ret_string = bt_ctf_field_string_get_value(a_string_field);
1225         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1226         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1227                 "bt_ctf_field_string_get_value returns a correct value");
1228         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1229                 SEQUENCE_TEST_LENGTH);
1230
1231         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1232                 enum_container_field) == NULL,
1233                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1234         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1235                 NULL) == NULL,
1236                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1237         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1238                 variant_type, enum_variant_field);
1239         ok(ret_field_type == int_16_type,
1240                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1241
1242         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1243                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1244         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1245                 uint_35_field) == 0, "Set a sequence field's length");
1246         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1247         ok(ret_field == uint_35_field,
1248                 "bt_ctf_field_sequence_get_length returns the correct length field");
1249         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1250                 "bt_ctf_field_sequence_get_length properly handles NULL");
1251
1252         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1253                 int_16_field = bt_ctf_field_sequence_get_field(
1254                         a_sequence_field, i);
1255                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1256                 bt_put(int_16_field);
1257         }
1258
1259         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1260                 int_16_field = bt_ctf_field_array_get_field(
1261                         an_array_field, i);
1262                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1263                 bt_put(int_16_field);
1264         }
1265
1266         bt_ctf_clock_set_time(clock, ++current_time);
1267         ok(bt_ctf_stream_append_event(stream, event) == 0,
1268                 "Append a complex event to a stream");
1269
1270         /*
1271          * Populate the custom packet context field with a dummy value
1272          * otherwise flush will fail.
1273          */
1274         packet_context = bt_ctf_stream_get_packet_context(stream);
1275         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1276                 "custom_packet_context_field");
1277         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1278
1279         ok(bt_ctf_stream_flush(stream) == 0,
1280                 "Flush a stream containing a complex event");
1281
1282         bt_put(uint_35_field);
1283         bt_put(a_string_field);
1284         bt_put(inner_structure_field);
1285         bt_put(complex_structure_field);
1286         bt_put(a_sequence_field);
1287         bt_put(an_array_field);
1288         bt_put(enum_variant_field);
1289         bt_put(enum_container_field);
1290         bt_put(variant_field);
1291         bt_put(ret_field);
1292         bt_put(packet_context_field);
1293         bt_put(packet_context);
1294         bt_put(uint_35_type);
1295         bt_put(int_16_type);
1296         bt_put(string_type);
1297         bt_put(sequence_type);
1298         bt_put(array_type);
1299         bt_put(inner_structure_type);
1300         bt_put(complex_structure_type);
1301         bt_put(uint_3_type);
1302         bt_put(enum_variant_type);
1303         bt_put(variant_type);
1304         bt_put(ret_field_type);
1305         bt_put(event_class);
1306         bt_put(event);
1307 }
1308
1309 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1310         struct bt_ctf_field_type *expected_type, const char *name)
1311 {
1312         struct bt_ctf_field_type *copy_type;
1313
1314         copy_type = bt_ctf_field_get_type(field);
1315         ok(copy_type == expected_type,
1316                 "bt_ctf_field_copy does not copy the type (%s)", name);
1317         bt_put(copy_type);
1318 }
1319
1320 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1321         struct bt_ctf_field *field_b, const char *name)
1322 {
1323         ok(field_a != field_b,
1324                 "bt_ctf_field_copy creates different pointers (%s)", name);
1325 }
1326
1327 void field_copy_tests()
1328 {
1329         struct bt_ctf_field_type *len_type = NULL;
1330         struct bt_ctf_field_type *fp_type = NULL;
1331         struct bt_ctf_field_type *s_type = NULL;
1332         struct bt_ctf_field_type *e_int_type = NULL;
1333         struct bt_ctf_field_type *e_type = NULL;
1334         struct bt_ctf_field_type *v_type = NULL;
1335         struct bt_ctf_field_type *v_label1_type = NULL;
1336         struct bt_ctf_field_type *v_label1_array_type = NULL;
1337         struct bt_ctf_field_type *v_label2_type = NULL;
1338         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1339         struct bt_ctf_field_type *strct_type = NULL;
1340         struct bt_ctf_field *len = NULL;
1341         struct bt_ctf_field *fp = NULL;
1342         struct bt_ctf_field *s = NULL;
1343         struct bt_ctf_field *e_int = NULL;
1344         struct bt_ctf_field *e = NULL;
1345         struct bt_ctf_field *v = NULL;
1346         struct bt_ctf_field *v_selected = NULL;
1347         struct bt_ctf_field *v_selected_cur = NULL;
1348         struct bt_ctf_field *v_selected_0 = NULL;
1349         struct bt_ctf_field *v_selected_1 = NULL;
1350         struct bt_ctf_field *v_selected_2 = NULL;
1351         struct bt_ctf_field *v_selected_3 = NULL;
1352         struct bt_ctf_field *v_selected_4 = NULL;
1353         struct bt_ctf_field *v_selected_5 = NULL;
1354         struct bt_ctf_field *v_selected_6 = NULL;
1355         struct bt_ctf_field *a = NULL;
1356         struct bt_ctf_field *a_0 = NULL;
1357         struct bt_ctf_field *a_1 = NULL;
1358         struct bt_ctf_field *a_2 = NULL;
1359         struct bt_ctf_field *a_3 = NULL;
1360         struct bt_ctf_field *a_4 = NULL;
1361         struct bt_ctf_field *strct = NULL;
1362         struct bt_ctf_field *len_copy = NULL;
1363         struct bt_ctf_field *fp_copy = NULL;
1364         struct bt_ctf_field *s_copy = NULL;
1365         struct bt_ctf_field *e_int_copy = NULL;
1366         struct bt_ctf_field *e_copy = NULL;
1367         struct bt_ctf_field *v_copy = NULL;
1368         struct bt_ctf_field *v_selected_copy = NULL;
1369         struct bt_ctf_field *v_selected_copy_len = NULL;
1370         struct bt_ctf_field *v_selected_0_copy = NULL;
1371         struct bt_ctf_field *v_selected_1_copy = NULL;
1372         struct bt_ctf_field *v_selected_2_copy = NULL;
1373         struct bt_ctf_field *v_selected_3_copy = NULL;
1374         struct bt_ctf_field *v_selected_4_copy = NULL;
1375         struct bt_ctf_field *v_selected_5_copy = NULL;
1376         struct bt_ctf_field *v_selected_6_copy = NULL;
1377         struct bt_ctf_field *a_copy = NULL;
1378         struct bt_ctf_field *a_0_copy = NULL;
1379         struct bt_ctf_field *a_1_copy = NULL;
1380         struct bt_ctf_field *a_2_copy = NULL;
1381         struct bt_ctf_field *a_3_copy = NULL;
1382         struct bt_ctf_field *a_4_copy = NULL;
1383         struct bt_ctf_field *strct_copy = NULL;
1384         uint64_t uint64_t_val;
1385         const char *str_val;
1386         double double_val;
1387         int ret;
1388
1389         /* create len type */
1390         len_type = bt_ctf_field_type_integer_create(32);
1391         assert(len_type);
1392
1393         /* create fp type */
1394         fp_type = bt_ctf_field_type_floating_point_create();
1395         assert(fp_type);
1396
1397         /* create s type */
1398         s_type = bt_ctf_field_type_string_create();
1399         assert(s_type);
1400
1401         /* create e_int type */
1402         e_int_type = bt_ctf_field_type_integer_create(8);
1403         assert(e_int_type);
1404
1405         /* create e type */
1406         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1407         assert(e_type);
1408         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1409                 10, 15);
1410         assert(!ret);
1411         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1412                 23, 23);
1413         assert(!ret);
1414
1415         /* create v_label1 type */
1416         v_label1_type = bt_ctf_field_type_string_create();
1417         assert(v_label1_type);
1418
1419         /* create v_label1_array type */
1420         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1421         assert(v_label1_array_type);
1422
1423         /* create v_label2 type */
1424         v_label2_type = bt_ctf_field_type_integer_create(16);
1425         assert(v_label2_type);
1426
1427         /* create v_label2_seq type */
1428         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1429                 "len");
1430         assert(v_label2_seq_type);
1431
1432         /* create v type */
1433         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1434         assert(v_type);
1435         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1436                 "LABEL1");
1437         assert(!ret);
1438         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1439                 "LABEL2");
1440         assert(!ret);
1441
1442         /* create strct type */
1443         strct_type = bt_ctf_field_type_structure_create();
1444         assert(strct_type);
1445         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1446                 "len");
1447         assert(!ret);
1448         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1449         assert(!ret);
1450         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1451         assert(!ret);
1452         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1453         assert(!ret);
1454         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1455         assert(!ret);
1456         ret = bt_ctf_field_type_structure_add_field(strct_type,
1457                 v_label1_array_type, "a");
1458         assert(!ret);
1459
1460         /* create strct */
1461         strct = bt_ctf_field_create(strct_type);
1462         assert(strct);
1463
1464         /* get len field */
1465         len = bt_ctf_field_structure_get_field(strct, "len");
1466         assert(len);
1467
1468         /* get fp field */
1469         fp = bt_ctf_field_structure_get_field(strct, "fp");
1470         assert(fp);
1471
1472         /* get s field */
1473         s = bt_ctf_field_structure_get_field(strct, "s");
1474         assert(s);
1475
1476         /* get e field */
1477         e = bt_ctf_field_structure_get_field(strct, "e");
1478         assert(e);
1479
1480         /* get e_int (underlying integer) */
1481         e_int = bt_ctf_field_enumeration_get_container(e);
1482         assert(e_int);
1483
1484         /* get v field */
1485         v = bt_ctf_field_structure_get_field(strct, "v");
1486         assert(v);
1487
1488         /* get a field */
1489         a = bt_ctf_field_structure_get_field(strct, "a");
1490         assert(a);
1491
1492         /* set len field */
1493         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1494         assert(!ret);
1495
1496         /* set fp field */
1497         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1498         assert(!ret);
1499
1500         /* set s field */
1501         ret = bt_ctf_field_string_set_value(s, "btbt");
1502         assert(!ret);
1503
1504         /* set e field (LABEL2) */
1505         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1506         assert(!ret);
1507
1508         /* set v field */
1509         v_selected = bt_ctf_field_variant_get_field(v, e);
1510         assert(v_selected);
1511         ok(!bt_ctf_field_variant_get_current_field(NULL),
1512                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1513         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1514         ok(v_selected_cur == v_selected,
1515                 "bt_ctf_field_variant_get_current_field returns the current field");
1516         bt_put(v_selected_cur);
1517
1518         /* set selected v field */
1519         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1520         assert(!ret);
1521         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1522         assert(v_selected_0);
1523         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1524         assert(!ret);
1525         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1526         assert(v_selected_1);
1527         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1528         assert(!ret);
1529         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1530         assert(v_selected_2);
1531         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1532         assert(!ret);
1533         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1534         assert(v_selected_3);
1535         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1536         assert(!ret);
1537         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1538         assert(v_selected_4);
1539         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1540         assert(!ret);
1541         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1542         assert(v_selected_5);
1543         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1544         assert(!ret);
1545         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1546         assert(v_selected_6);
1547         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1548         assert(!ret);
1549
1550         /* set a field */
1551         a_0 = bt_ctf_field_array_get_field(a, 0);
1552         assert(a_0);
1553         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1554         assert(!ret);
1555         a_1 = bt_ctf_field_array_get_field(a, 1);
1556         assert(a_1);
1557         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1558         assert(!ret);
1559         a_2 = bt_ctf_field_array_get_field(a, 2);
1560         assert(a_2);
1561         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1562         assert(!ret);
1563         a_3 = bt_ctf_field_array_get_field(a, 3);
1564         assert(a_3);
1565         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1566         assert(!ret);
1567         a_4 = bt_ctf_field_array_get_field(a, 4);
1568         assert(a_4);
1569         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1570         assert(!ret);
1571
1572         /* create copy of strct */
1573         ok(!bt_ctf_field_copy(NULL),
1574                 "bt_ctf_field_copy handles NULL correctly");
1575         strct_copy = bt_ctf_field_copy(strct);
1576         ok(strct_copy,
1577                 "bt_ctf_field_copy returns a valid pointer");
1578
1579         /* get all copied fields */
1580         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1581         assert(len_copy);
1582         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1583         assert(fp_copy);
1584         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1585         assert(s_copy);
1586         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1587         assert(e_copy);
1588         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1589         assert(e_int_copy);
1590         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1591         assert(v_copy);
1592         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1593         assert(v_selected_copy);
1594         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1595         assert(v_selected_0_copy);
1596         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1597         assert(v_selected_1_copy);
1598         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1599         assert(v_selected_2_copy);
1600         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1601         assert(v_selected_3_copy);
1602         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1603         assert(v_selected_4_copy);
1604         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1605         assert(v_selected_5_copy);
1606         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1607         assert(v_selected_6_copy);
1608         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1609                 "sequence field copy is not too large");
1610         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1611         assert(a_copy);
1612         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1613         assert(a_0_copy);
1614         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1615         assert(a_1_copy);
1616         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1617         assert(a_2_copy);
1618         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1619         assert(a_3_copy);
1620         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1621         assert(a_4_copy);
1622         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1623                 "array field copy is not too large");
1624
1625         /* make sure copied fields are different pointers */
1626         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1627         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1628         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1629         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1630         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1631         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1632         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1633         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1634                 "v_selected");
1635         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1636                 "v_selected_0");
1637         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1638                 "v_selected_1");
1639         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1640                 "v_selected_2");
1641         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1642                 "v_selected_3");
1643         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1644                 "v_selected_4");
1645         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1646                 "v_selected_5");
1647         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1648                 "v_selected_6");
1649         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1650         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1651         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1652         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1653         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1654         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1655
1656         /* make sure copied fields share the same types */
1657         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1658         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1659         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1660         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1661         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1662         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1663         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1664                 "v_selected");
1665         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1666                 "v_selected_0");
1667         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1668                 "v_selected_1");
1669         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1670                 "v_selected_2");
1671         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1672                 "v_selected_3");
1673         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1674                 "v_selected_4");
1675         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1676                 "v_selected_5");
1677         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1678                 "v_selected_6");
1679         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1680         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1681         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1682         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1683         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1684         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1685
1686         /* validate len copy */
1687         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1688         assert(!ret);
1689         ok(uint64_t_val == 7,
1690                 "bt_ctf_field_copy creates a valid integer field copy");
1691
1692         /* validate fp copy */
1693         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1694         assert(!ret);
1695         ok(double_val == 3.14,
1696                 "bt_ctf_field_copy creates a valid floating point number field copy");
1697
1698         /* validate s copy */
1699         str_val = bt_ctf_field_string_get_value(s_copy);
1700         ok(str_val && !strcmp(str_val, "btbt"),
1701                 "bt_ctf_field_copy creates a valid string field copy");
1702
1703         /* validate e_int copy */
1704         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1705                 &uint64_t_val);
1706         assert(!ret);
1707         ok(uint64_t_val == 23,
1708                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1709
1710         /* validate e copy */
1711         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1712         ok(str_val && !strcmp(str_val, "LABEL2"),
1713                 "bt_ctf_field_copy creates a valid enum field copy");
1714
1715         /* validate v_selected copy */
1716         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1717         assert(v_selected_copy_len);
1718         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1719                 &uint64_t_val);
1720         assert(!ret);
1721         ok(uint64_t_val == 7,
1722                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1723         bt_put(v_selected_copy_len);
1724         v_selected_copy_len = NULL;
1725
1726         /* validate v_selected copy fields */
1727         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1728                 &uint64_t_val);
1729         assert(!ret);
1730         ok(uint64_t_val == 7,
1731                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1732         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1733                 &uint64_t_val);
1734         assert(!ret);
1735         ok(uint64_t_val == 6,
1736                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1737         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1738                 &uint64_t_val);
1739         assert(!ret);
1740         ok(uint64_t_val == 5,
1741                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1742         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1743                 &uint64_t_val);
1744         assert(!ret);
1745         ok(uint64_t_val == 4,
1746                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1747         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1748                 &uint64_t_val);
1749         assert(!ret);
1750         ok(uint64_t_val == 3,
1751                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1752         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1753                 &uint64_t_val);
1754         assert(!ret);
1755         ok(uint64_t_val == 2,
1756                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1757         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1758                 &uint64_t_val);
1759         assert(!ret);
1760         ok(uint64_t_val == 1,
1761                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1762
1763         /* validate a copy fields */
1764         str_val = bt_ctf_field_string_get_value(a_0_copy);
1765         ok(str_val && !strcmp(str_val, "a_0"),
1766                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1767         str_val = bt_ctf_field_string_get_value(a_1_copy);
1768         ok(str_val && !strcmp(str_val, "a_1"),
1769                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1770         str_val = bt_ctf_field_string_get_value(a_2_copy);
1771         ok(str_val && !strcmp(str_val, "a_2"),
1772                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1773         str_val = bt_ctf_field_string_get_value(a_3_copy);
1774         ok(str_val && !strcmp(str_val, "a_3"),
1775                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1776         str_val = bt_ctf_field_string_get_value(a_4_copy);
1777         ok(str_val && !strcmp(str_val, "a_4"),
1778                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1779
1780         /* put everything */
1781         bt_put(len_type);
1782         bt_put(fp_type);
1783         bt_put(s_type);
1784         bt_put(e_int_type);
1785         bt_put(e_type);
1786         bt_put(v_type);
1787         bt_put(v_label1_type);
1788         bt_put(v_label1_array_type);
1789         bt_put(v_label2_type);
1790         bt_put(v_label2_seq_type);
1791         bt_put(strct_type);
1792         bt_put(len);
1793         bt_put(fp);
1794         bt_put(s);
1795         bt_put(e_int);
1796         bt_put(e);
1797         bt_put(v);
1798         bt_put(v_selected);
1799         bt_put(v_selected_0);
1800         bt_put(v_selected_1);
1801         bt_put(v_selected_2);
1802         bt_put(v_selected_3);
1803         bt_put(v_selected_4);
1804         bt_put(v_selected_5);
1805         bt_put(v_selected_6);
1806         bt_put(a);
1807         bt_put(a_0);
1808         bt_put(a_1);
1809         bt_put(a_2);
1810         bt_put(a_3);
1811         bt_put(a_4);
1812         bt_put(strct);
1813         bt_put(len_copy);
1814         bt_put(fp_copy);
1815         bt_put(s_copy);
1816         bt_put(e_int_copy);
1817         bt_put(e_copy);
1818         bt_put(v_copy);
1819         bt_put(v_selected_copy);
1820         bt_put(v_selected_0_copy);
1821         bt_put(v_selected_1_copy);
1822         bt_put(v_selected_2_copy);
1823         bt_put(v_selected_3_copy);
1824         bt_put(v_selected_4_copy);
1825         bt_put(v_selected_5_copy);
1826         bt_put(v_selected_6_copy);
1827         bt_put(a_copy);
1828         bt_put(a_0_copy);
1829         bt_put(a_1_copy);
1830         bt_put(a_2_copy);
1831         bt_put(a_3_copy);
1832         bt_put(a_4_copy);
1833         bt_put(strct_copy);
1834 }
1835
1836 void type_field_tests()
1837 {
1838         struct bt_ctf_field *uint_12;
1839         struct bt_ctf_field *int_16;
1840         struct bt_ctf_field *string;
1841         struct bt_ctf_field *enumeration;
1842         struct bt_ctf_field_type *composite_structure_type;
1843         struct bt_ctf_field_type *structure_seq_type;
1844         struct bt_ctf_field_type *string_type;
1845         struct bt_ctf_field_type *sequence_type;
1846         struct bt_ctf_field_type *uint_8_type;
1847         struct bt_ctf_field_type *int_16_type;
1848         struct bt_ctf_field_type *uint_12_type =
1849                 bt_ctf_field_type_integer_create(12);
1850         struct bt_ctf_field_type *enumeration_type;
1851         struct bt_ctf_field_type *enumeration_sequence_type;
1852         struct bt_ctf_field_type *enumeration_array_type;
1853         struct bt_ctf_field_type *returned_type;
1854         const char *ret_string;
1855
1856         returned_type = bt_ctf_field_get_type(NULL);
1857         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1858
1859         ok(uint_12_type, "Create an unsigned integer type");
1860         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1861                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1862                 "Set integer type's base as binary");
1863         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1864                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1865                 "Set integer type's base as decimal");
1866         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1867                 BT_CTF_INTEGER_BASE_UNKNOWN),
1868                 "Reject integer type's base set as unknown");
1869         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1870                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1871                 "Set integer type's base as octal");
1872         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1873                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1874                 "Set integer type's base as hexadecimal");
1875         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1876                 "Reject unknown integer base value");
1877         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1878                 "Set integer type signedness to signed");
1879         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1880                 "Set integer type signedness to unsigned");
1881         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1882                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1883         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1884                 "bt_ctf_field_type_integer_get_size returns a correct value");
1885         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1886                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1887         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1888                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1889
1890         ok(bt_ctf_field_type_set_byte_order(NULL,
1891                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1892                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1893         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1894                 (enum bt_ctf_byte_order) 42) < 0,
1895                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1896         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1897                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1898                 "Set an integer's byte order to little endian");
1899         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1900                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1901                 "Set an integer's byte order to big endian");
1902         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1903                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1904                 "bt_ctf_field_type_get_byte_order returns a correct value");
1905         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1906                 BT_CTF_BYTE_ORDER_UNKNOWN,
1907                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1908
1909         ok(bt_ctf_field_type_get_type_id(NULL) ==
1910                 CTF_TYPE_UNKNOWN,
1911                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1912         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1913                 CTF_TYPE_INTEGER,
1914                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1915
1916         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1917                 BT_CTF_INTEGER_BASE_UNKNOWN,
1918                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1919         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1920                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1921                 "bt_ctf_field_type_integer_get_base returns a correct value");
1922
1923         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1924                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1925         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1926                 (enum ctf_string_encoding) 123) < 0,
1927                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1928         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1929                 CTF_STRING_UTF8) == 0,
1930                 "Set integer type encoding to UTF8");
1931         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1932                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1933         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1934                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1935
1936         int_16_type = bt_ctf_field_type_integer_create(16);
1937         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1938         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1939                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1940         uint_8_type = bt_ctf_field_type_integer_create(8);
1941         sequence_type =
1942                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1943         ok(sequence_type, "Create a sequence of int16_t type");
1944         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1945                 CTF_TYPE_SEQUENCE,
1946                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1947
1948         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1949                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1950         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1951                 sequence_type);
1952         ok(!strcmp(ret_string, "seq_len"),
1953                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1954         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1955                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1956         returned_type = bt_ctf_field_type_sequence_get_element_type(
1957                 sequence_type);
1958         ok(returned_type == int_16_type,
1959                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1960         bt_put(returned_type);
1961
1962         string_type = bt_ctf_field_type_string_create();
1963         ok(string_type, "Create a string type");
1964         ok(bt_ctf_field_type_string_set_encoding(string_type,
1965                 CTF_STRING_NONE),
1966                 "Reject invalid \"None\" string encoding");
1967         ok(bt_ctf_field_type_string_set_encoding(string_type,
1968                 42),
1969                 "Reject invalid string encoding");
1970         ok(bt_ctf_field_type_string_set_encoding(string_type,
1971                 CTF_STRING_ASCII) == 0,
1972                 "Set string encoding to ASCII");
1973
1974         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1975                 CTF_STRING_UNKNOWN,
1976                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1977         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1978                 CTF_STRING_ASCII,
1979                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1980
1981         structure_seq_type = bt_ctf_field_type_structure_create();
1982         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1983                 CTF_TYPE_STRUCT,
1984                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1985         ok(structure_seq_type, "Create a structure type");
1986         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1987                 uint_8_type, "seq_len") == 0,
1988                 "Add a uint8_t type to a structure");
1989         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1990                 sequence_type, "a_sequence") == 0,
1991                 "Add a sequence type to a structure");
1992
1993         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1994                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1995         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1996                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1997
1998         ok(bt_ctf_field_type_structure_get_field(NULL,
1999                 &ret_string, &returned_type, 1) < 0,
2000                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2001         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2002                 NULL, &returned_type, 1) == 0,
2003                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2004         bt_put(returned_type);
2005         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2006                 &ret_string, NULL, 1) == 0,
2007                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2008         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2009                 &ret_string, &returned_type, 10) < 0,
2010                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2011         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2012                 &ret_string, &returned_type, 1) == 0,
2013                 "bt_ctf_field_type_structure_get_field returns a field");
2014         ok(!strcmp(ret_string, "a_sequence"),
2015                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2016         ok(returned_type == sequence_type,
2017                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2018         bt_put(returned_type);
2019
2020         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2021                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2022         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2023                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2024         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2025                 structure_seq_type, "a_sequence");
2026         ok(returned_type == sequence_type,
2027                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2028         bt_put(returned_type);
2029
2030         composite_structure_type = bt_ctf_field_type_structure_create();
2031         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2032                 string_type, "a_string") == 0,
2033                 "Add a string type to a structure");
2034         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2035                 structure_seq_type, "inner_structure") == 0,
2036                 "Add a structure type to a structure");
2037
2038         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2039                 NULL, "a_sequence") == NULL,
2040                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2041         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2042                 structure_seq_type, NULL) == NULL,
2043                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2044         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2045                 structure_seq_type, "a_sequence");
2046         ok(returned_type == sequence_type,
2047                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2048         bt_put(returned_type);
2049
2050         int_16 = bt_ctf_field_create(int_16_type);
2051         ok(int_16, "Instanciate a signed 16-bit integer");
2052         uint_12 = bt_ctf_field_create(uint_12_type);
2053         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2054         returned_type = bt_ctf_field_get_type(int_16);
2055         ok(returned_type == int_16_type,
2056                 "bt_ctf_field_get_type returns the correct type");
2057
2058         /* Can't modify types after instanciating them */
2059         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2060                 BT_CTF_INTEGER_BASE_DECIMAL),
2061                 "Check an integer type' base can't be modified after instanciation");
2062         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2063                 "Check an integer type's signedness can't be modified after instanciation");
2064
2065         /* Check signed property is checked */
2066         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2067                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2068         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2069                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2070
2071         /* Check overflows are properly tested for */
2072         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2073                 "Check -32768 is allowed for a signed 16-bit integer");
2074         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2075                 "Check 32767 is allowed for a signed 16-bit integer");
2076         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2077                 "Check 32768 is not allowed for a signed 16-bit integer");
2078         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2079                 "Check -32769 is not allowed for a signed 16-bit integer");
2080         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2081                 "Check -42 is allowed for a signed 16-bit integer");
2082
2083         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2084                 "Check 4095 is allowed for an unsigned 12-bit integer");
2085         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2086                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2087         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2088                 "Check 0 is allowed for an unsigned 12-bit integer");
2089
2090         string = bt_ctf_field_create(string_type);
2091         ok(string, "Instanciate a string field");
2092         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2093                 "Set a string's value");
2094
2095         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2096         ok(enumeration_type,
2097                 "Create an enumeration type with an unsigned 12-bit integer as container");
2098         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
2099                 enumeration_type, "count");
2100         ok(!enumeration_sequence_type,
2101                 "Check enumeration types are validated when creating a sequence");
2102         enumeration_array_type = bt_ctf_field_type_array_create(
2103                 enumeration_type, 10);
2104         ok(!enumeration_array_type,
2105                 "Check enumeration types are validated when creating an array");
2106         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2107                 enumeration_type, "enumeration"),
2108                 "Check enumeration types are validated when adding them as structure members");
2109         enumeration = bt_ctf_field_create(enumeration_type);
2110         ok(!enumeration,
2111                 "Check enumeration types are validated before instantiation");
2112
2113         bt_put(string);
2114         bt_put(uint_12);
2115         bt_put(int_16);
2116         bt_put(enumeration);
2117         bt_put(composite_structure_type);
2118         bt_put(structure_seq_type);
2119         bt_put(string_type);
2120         bt_put(sequence_type);
2121         bt_put(uint_8_type);
2122         bt_put(int_16_type);
2123         bt_put(uint_12_type);
2124         bt_put(enumeration_type);
2125         bt_put(enumeration_sequence_type);
2126         bt_put(enumeration_array_type);
2127         bt_put(returned_type);
2128 }
2129
2130 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2131                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2132 {
2133         /*
2134          * Append enough events to force the underlying packet to be resized.
2135          * Also tests that a new event can be declared after a stream has been
2136          * instantiated and used/flushed.
2137          */
2138         int ret = 0;
2139         int i;
2140         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2141                 "Spammy_Event");
2142         struct bt_ctf_field_type *integer_type =
2143                 bt_ctf_field_type_integer_create(17);
2144         struct bt_ctf_field_type *string_type =
2145                 bt_ctf_field_type_string_create();
2146         struct bt_ctf_event *event = NULL;
2147         struct bt_ctf_field *ret_field = NULL;
2148         struct bt_ctf_field_type *ret_field_type = NULL;
2149         uint64_t ret_uint64;
2150         int events_appended = 0;
2151         struct bt_ctf_field *packet_context = NULL,
2152                 *packet_context_field = NULL, *event_context = NULL;
2153
2154         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2155                 "field_1");
2156         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2157                 "a_string");
2158         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2159         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2160         if (ret) {
2161                 goto end;
2162         }
2163
2164         event = bt_ctf_event_create(event_class);
2165         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2166         ret_field_type = bt_ctf_field_get_type(ret_field);
2167         ok(ret_field_type == integer_type,
2168                 "bt_ctf_event_get_payload_by_index returns a correct field");
2169         bt_put(ret_field_type);
2170         bt_put(ret_field);
2171
2172         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2173                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2174         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2175                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2176         bt_put(event);
2177
2178         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2179                 "bt_ctf_stream_get_event_context handles NULL correctly");
2180         event_context = bt_ctf_stream_get_event_context(stream);
2181         ok(event_context,
2182                 "bt_ctf_stream_get_event_context returns a stream event context");
2183         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2184                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2185         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2186                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2187         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2188                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2189         ret_field = bt_ctf_field_create(integer_type);
2190         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2191                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2192         bt_put(ret_field);
2193
2194         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2195                 event = bt_ctf_event_create(event_class);
2196                 struct bt_ctf_field *integer =
2197                         bt_ctf_field_create(integer_type);
2198                 struct bt_ctf_field *string =
2199                         bt_ctf_field_create(string_type);
2200
2201                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2202                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2203                 ret |= bt_ctf_event_set_payload(event, "field_1",
2204                         integer);
2205                 bt_put(integer);
2206                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2207                 ret |= bt_ctf_event_set_payload(event, "a_string",
2208                         string);
2209                 bt_put(string);
2210
2211                 /* Populate stream event context */
2212                 integer = bt_ctf_field_structure_get_field(event_context,
2213                         "common_event_context");
2214                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2215                         i % 42);
2216                 bt_put(integer);
2217
2218                 ret |= bt_ctf_stream_append_event(stream, event);
2219                 bt_put(event);
2220
2221                 if (ret) {
2222                         break;
2223                 }
2224         }
2225
2226         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2227         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2228                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2229         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2230                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2231         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2232         ok(ret == 0 && ret_uint64 == 0,
2233                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2234         bt_ctf_stream_append_discarded_events(stream, 1000);
2235         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2236         ok(ret == 0 && ret_uint64 == 1000,
2237                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2238
2239 end:
2240         ok(events_appended, "Append 100 000 events to a stream");
2241
2242         /*
2243          * Populate the custom packet context field with a dummy value
2244          * otherwise flush will fail.
2245          */
2246         packet_context = bt_ctf_stream_get_packet_context(stream);
2247         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2248                 "custom_packet_context_field");
2249         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2250
2251         ok(bt_ctf_stream_flush(stream) == 0,
2252                 "Flush a stream that forces a packet resize");
2253         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2254         ok(ret == 0 && ret_uint64 == 1000,
2255                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2256         bt_put(integer_type);
2257         bt_put(string_type);
2258         bt_put(packet_context);
2259         bt_put(packet_context_field);
2260         bt_put(event_context);
2261         bt_put(event_class);
2262 }
2263
2264 void test_empty_stream(struct bt_ctf_writer *writer)
2265 {
2266         int ret = 0;
2267         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2268         struct bt_ctf_stream_class *stream_class = NULL;
2269         struct bt_ctf_stream *stream = NULL;
2270
2271         trace = bt_ctf_writer_get_trace(writer);
2272         if (!trace) {
2273                 diag("Failed to get trace from writer");
2274                 ret = -1;
2275                 goto end;
2276         }
2277
2278         stream_class = bt_ctf_stream_class_create("empty_stream");
2279         if (!stream_class) {
2280                 diag("Failed to create stream class");
2281                 ret = -1;
2282                 goto end;
2283         }
2284
2285         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2286                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2287         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2288                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2289
2290         stream = bt_ctf_writer_create_stream(writer, stream_class);
2291         if (!stream) {
2292                 diag("Failed to create writer stream");
2293                 ret = -1;
2294                 goto end;
2295         }
2296
2297         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2298         ok(ret_trace == trace,
2299                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2300 end:
2301         ok(ret == 0,
2302                 "Created a stream class with default attributes and an empty stream");
2303         bt_put(trace);
2304         bt_put(ret_trace);
2305         bt_put(stream);
2306         bt_put(stream_class);
2307 }
2308
2309 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2310 {
2311         int i, ret;
2312         struct bt_ctf_trace *trace = NULL;
2313         struct bt_ctf_clock *clock = NULL;
2314         struct bt_ctf_stream_class *stream_class = NULL;
2315         struct bt_ctf_stream *stream = NULL;
2316         struct bt_ctf_field_type *integer_type = NULL,
2317                 *sequence_type = NULL, *event_header_type = NULL;
2318         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2319                 *event_header = NULL, *packet_header = NULL;
2320         struct bt_ctf_event_class *event_class = NULL;
2321         struct bt_ctf_event *event = NULL;
2322
2323         trace = bt_ctf_writer_get_trace(writer);
2324         if (!trace) {
2325                 fail("Failed to get trace from writer");
2326                 goto end;
2327         }
2328
2329         clock = bt_ctf_trace_get_clock(trace, 0);
2330         if (!clock) {
2331                 fail("Failed to get clock from trace");
2332                 goto end;
2333         }
2334
2335         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2336         if (!stream_class) {
2337                 fail("Failed to create stream class");
2338                 goto end;
2339         }
2340
2341         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2342         if (ret) {
2343                 fail("Failed to set stream class clock");
2344                 goto end;
2345         }
2346
2347         /*
2348          * Customize event header to add an "seq_len" integer member
2349          * which will be used as the length of a sequence in an event of this
2350          * stream.
2351          */
2352         event_header_type = bt_ctf_stream_class_get_event_header_type(
2353                 stream_class);
2354         if (!event_header_type) {
2355                 fail("Failed to get event header type");
2356                 goto end;
2357         }
2358
2359         integer_type = bt_ctf_field_type_integer_create(13);
2360         if (!integer_type) {
2361                 fail("Failed to create length integer type");
2362                 goto end;
2363         }
2364
2365         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2366                 integer_type, "seq_len");
2367         if (ret) {
2368                 fail("Failed to add a new field to stream event header");
2369                 goto end;
2370         }
2371
2372         event_class = bt_ctf_event_class_create("sequence_event");
2373         if (!event_class) {
2374                 fail("Failed to create event class");
2375                 goto end;
2376         }
2377
2378         /*
2379          * This event's payload will contain a sequence which references
2380          * stream.event.header.seq_len as its length field.
2381          */
2382         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2383                 "stream.event.header.seq_len");
2384         if (!sequence_type) {
2385                 fail("Failed to create a sequence");
2386                 goto end;
2387         }
2388
2389         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2390                 "some_sequence");
2391         if (ret) {
2392                 fail("Failed to add a sequence to an event class");
2393                 goto end;
2394         }
2395
2396         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2397         if (ret) {
2398                 fail("Failed to add event class to stream class");
2399                 goto end;
2400         }
2401
2402         stream = bt_ctf_writer_create_stream(writer, stream_class);
2403         if (!stream) {
2404                 fail("Failed to create stream")
2405                 goto end;
2406         }
2407
2408         /*
2409          * We have defined a custom packet header field. We have to populate it
2410          * explicitly.
2411          */
2412         packet_header = bt_ctf_stream_get_packet_header(stream);
2413         if (!packet_header) {
2414                 fail("Failed to get stream packet header");
2415                 goto end;
2416         }
2417
2418         integer = bt_ctf_field_structure_get_field(packet_header,
2419                 "custom_trace_packet_header_field");
2420         if (!integer) {
2421                 fail("Failed to retrieve custom_trace_packet_header_field");
2422                 goto end;
2423         }
2424
2425         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2426         if (ret) {
2427                 fail("Failed to set custom_trace_packet_header_field value");
2428                 goto end;
2429         }
2430         bt_put(integer);
2431
2432         event = bt_ctf_event_create(event_class);
2433         if (!event) {
2434                 fail("Failed to create event");
2435                 goto end;
2436         }
2437
2438         event_header = bt_ctf_event_get_header(event);
2439         if (!event_header) {
2440                 fail("Failed to get event header");
2441                 goto end;
2442         }
2443
2444         integer = bt_ctf_field_structure_get_field(event_header,
2445                 "seq_len");
2446         if (!integer) {
2447                 fail("Failed to get seq_len field from event header");
2448                 goto end;
2449         }
2450
2451         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2452         if (ret) {
2453                 fail("Failed to set seq_len value in event header");
2454                 goto end;
2455         }
2456
2457         /* Populate both sequence integer fields */
2458         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2459         if (!sequence) {
2460                 fail("Failed to retrieve sequence from event");
2461                 goto end;
2462         }
2463
2464         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2465         if (ret) {
2466                 fail("Failed to set sequence length");
2467                 goto end;
2468         }
2469         bt_put(integer);
2470
2471         for (i = 0; i < 2; i++) {
2472                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2473                 if (ret) {
2474                         fail("Failed to retrieve sequence element");
2475                         goto end;
2476                 }
2477
2478                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2479                 if (ret) {
2480                         fail("Failed to set sequence element value");
2481                         goto end;
2482                 }
2483
2484                 bt_put(integer);
2485                 integer = NULL;
2486         }
2487
2488         ret = bt_ctf_stream_append_event(stream, event);
2489         if (ret) {
2490                 fail("Failed to append event to stream");
2491                 goto end;
2492         }
2493
2494         ret = bt_ctf_stream_flush(stream);
2495         if (ret) {
2496                 fail("Failed to flush custom_event_header stream");
2497         }
2498 end:
2499         bt_put(clock);
2500         bt_put(trace);
2501         bt_put(stream);
2502         bt_put(stream_class);
2503         bt_put(event_class);
2504         bt_put(event);
2505         bt_put(integer);
2506         bt_put(sequence);
2507         bt_put(event_header);
2508         bt_put(packet_header);
2509         bt_put(sequence_type);
2510         bt_put(integer_type);
2511         bt_put(event_header_type);
2512 }
2513
2514 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2515 {
2516         int ret = 0;
2517         struct bt_ctf_trace *trace = NULL;
2518         struct bt_ctf_clock *clock = NULL;
2519         struct bt_ctf_stream_class *stream_class = NULL;
2520         struct bt_ctf_stream *stream = NULL,
2521                 *ret_stream = NULL;
2522         struct bt_ctf_event_class *event_class = NULL;
2523         struct bt_ctf_event *event = NULL;
2524         struct bt_ctf_field_type *integer_type = NULL;
2525         struct bt_ctf_field *integer = NULL;
2526
2527         trace = bt_ctf_writer_get_trace(writer);
2528         if (!trace) {
2529                 diag("Failed to get trace from writer");
2530                 ret = -1;
2531                 goto end;
2532         }
2533
2534         clock = bt_ctf_trace_get_clock(trace, 0);
2535         if (!clock) {
2536                 diag("Failed to get clock from trace");
2537                 ret = -1;
2538                 goto end;
2539         }
2540
2541         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2542         if (!stream_class) {
2543                 diag("Failed to create stream class");
2544                 ret = -1;
2545                 goto end;
2546         }
2547
2548         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2549         if (ret) {
2550                 diag("Failed to set stream class clock");
2551                 goto end;
2552         }
2553
2554         event_class = bt_ctf_event_class_create("some_event_class_name");
2555         integer_type = bt_ctf_field_type_integer_create(32);
2556         if (!integer_type) {
2557                 diag("Failed to create integer field type");
2558                 ret = -1;
2559                 goto end;
2560         }
2561
2562         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2563                 "integer_field");
2564         if (ret) {
2565                 diag("Failed to add field to event class");
2566                 goto end;
2567         }
2568
2569         ret = bt_ctf_stream_class_add_event_class(stream_class,
2570                 event_class);
2571         if (ret) {
2572                 diag("Failed to add event class to stream class");
2573         }
2574
2575         event = bt_ctf_event_create(event_class);
2576         if (!event) {
2577                 diag("Failed to create event");
2578                 ret = -1;
2579                 goto end;
2580         }
2581
2582         integer = bt_ctf_event_get_payload_by_index(event, 0);
2583         if (!integer) {
2584                 diag("Failed to get integer field payload from event");
2585                 ret = -1;
2586                 goto end;
2587         }
2588
2589         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2590         if (ret) {
2591                 diag("Failed to set integer field value");
2592                 goto end;
2593         }
2594
2595         stream = bt_ctf_writer_create_stream(writer, stream_class);
2596         if (!stream) {
2597                 diag("Failed to create writer stream");
2598                 ret = -1;
2599                 goto end;
2600         }
2601
2602         ok(bt_ctf_event_get_stream(NULL) == NULL,
2603                 "bt_ctf_event_get_stream handles NULL correctly");
2604         ok(bt_ctf_event_get_stream(event) == NULL,
2605                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2606
2607         ret = bt_ctf_stream_append_event(stream, event);
2608         if (ret) {
2609                 diag("Failed to append event to stream");
2610                 goto end;
2611         }
2612
2613         ret_stream = bt_ctf_event_get_stream(event);
2614         ok(ret_stream == stream,
2615                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2616 end:
2617         ok(ret == 0,
2618                 "Create an event before instanciating its associated stream");
2619         bt_put(trace);
2620         bt_put(stream);
2621         bt_put(ret_stream);
2622         bt_put(stream_class);
2623         bt_put(event_class);
2624         bt_put(event);
2625         bt_put(integer_type);
2626         bt_put(integer);
2627         bt_put(clock);
2628 }
2629
2630 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2631 {
2632         struct bt_ctf_event_class *event_class;
2633
2634         event_class = bt_ctf_event_class_create("Simple Event");
2635         assert(event_class);
2636         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2637                 "two event classes with the same name cannot cohabit within the same stream class");
2638         bt_put(event_class);
2639
2640         event_class = bt_ctf_event_class_create("different name, ok");
2641         assert(event_class);
2642         assert(!bt_ctf_event_class_set_id(event_class, 11));
2643         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2644                 "two event classes with the same ID cannot cohabit within the same stream class");
2645         bt_put(event_class);
2646 }
2647
2648 int main(int argc, char **argv)
2649 {
2650         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2651         char metadata_path[sizeof(trace_path) + 9];
2652         const char *clock_name = "test_clock";
2653         const char *clock_description = "This is a test clock";
2654         const char *returned_clock_name;
2655         const char *returned_clock_description;
2656         const uint64_t frequency = 1123456789;
2657         const uint64_t offset_s = 1351530929945824323;
2658         const uint64_t offset = 1234567;
2659         const uint64_t precision = 10;
2660         const int is_absolute = 0xFF;
2661         char *metadata_string;
2662         struct bt_ctf_writer *writer;
2663         struct utsname name;
2664         char hostname[BABELTRACE_HOST_NAME_MAX];
2665         struct bt_ctf_clock *clock, *ret_clock;
2666         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2667         struct bt_ctf_stream *stream1;
2668         const char *ret_string;
2669         const unsigned char *ret_uuid;
2670         unsigned char tmp_uuid[16] = { 0 };
2671         struct bt_ctf_field_type *packet_context_type,
2672                 *packet_context_field_type,
2673                 *packet_header_type,
2674                 *packet_header_field_type,
2675                 *integer_type,
2676                 *stream_event_context_type,
2677                 *ret_field_type,
2678                 *event_header_field_type;
2679         struct bt_ctf_field *packet_header, *packet_header_field;
2680         struct bt_ctf_trace *trace;
2681         int ret;
2682         int64_t ret_int64_t;
2683         struct bt_value *obj;
2684
2685         if (argc < 3) {
2686                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2687                 return -1;
2688         }
2689
2690         plan_no_plan();
2691
2692         if (!bt_mkdtemp(trace_path)) {
2693                 perror("# perror");
2694         }
2695
2696         strcpy(metadata_path, trace_path);
2697         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2698
2699         writer = bt_ctf_writer_create(trace_path);
2700         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2701
2702         ok(!bt_ctf_writer_get_trace(NULL),
2703                 "bt_ctf_writer_get_trace correctly handles NULL");
2704         trace = bt_ctf_writer_get_trace(writer);
2705         ok(trace,
2706                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2707         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2708                 "Set a trace's byte order to big endian");
2709         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2710                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2711
2712         /* Add environment context to the trace */
2713         ret = gethostname(hostname, sizeof(hostname));
2714         if (ret < 0) {
2715                 return ret;
2716         }
2717         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2718                 "Add host (%s) environment field to writer instance",
2719                 hostname);
2720         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2721                 "test_value"),
2722                 "bt_ctf_writer_add_environment_field error with NULL writer");
2723         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2724                 "test_value"),
2725                 "bt_ctf_writer_add_environment_field error with NULL field name");
2726         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2727                 NULL),
2728                 "bt_ctf_writer_add_environment_field error with NULL field value");
2729
2730         /* Test bt_ctf_trace_set_environment_field with an integer object */
2731         obj = bt_value_integer_create_init(23);
2732         assert(obj);
2733         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2734                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2735         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2736                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2737         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2738                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2739         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2740                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2741         BT_PUT(obj);
2742
2743         /* Test bt_ctf_trace_set_environment_field with a string object */
2744         obj = bt_value_string_create_init("the value");
2745         assert(obj);
2746         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2747                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2748         BT_PUT(obj);
2749
2750         /* Test bt_ctf_trace_set_environment_field_integer */
2751         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2752                 -194875),
2753                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2754         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2755                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2756         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2757                 -164973),
2758                 "bt_ctf_trace_set_environment_field_integer succeeds");
2759
2760         /* Test bt_ctf_trace_set_environment_field_string */
2761         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2762                 "yeah"),
2763                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2764         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2765                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2766         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2767                 NULL),
2768                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2769         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2770                 "oh yeah"),
2771                 "bt_ctf_trace_set_environment_field_string succeeds");
2772
2773         /* Test bt_ctf_trace_get_environment_field_count */
2774         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2775                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2776         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2777                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2778
2779         /* Test bt_ctf_trace_get_environment_field_name */
2780         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2781                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2782         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2783                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2784         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2785                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2786         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2787         ok(ret_string && !strcmp(ret_string, "host"),
2788                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2789         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2790         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2791                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2792         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2793         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2794                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2795         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2796         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2797                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2798         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2799         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2800                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2801
2802         /* Test bt_ctf_trace_get_environment_field_value */
2803         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2804                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2805         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2806                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2807         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2808                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2809         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2810         ret = bt_value_integer_get(obj, &ret_int64_t);
2811         ok(!ret && ret_int64_t == 23,
2812                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2813         BT_PUT(obj);
2814         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2815         ret = bt_value_string_get(obj, &ret_string);
2816         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2817                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2818         BT_PUT(obj);
2819
2820         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2821         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2822                 "test_env_str"),
2823                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2824         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2825                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2826         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2827                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2828         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2829                 "test_env_str");
2830         ret = bt_value_string_get(obj, &ret_string);
2831         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2832                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2833         BT_PUT(obj);
2834
2835         /* Test environment field replacement */
2836         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2837                 654321),
2838                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2839         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2840                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2841         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2842         ret = bt_value_integer_get(obj, &ret_int64_t);
2843         ok(!ret && ret_int64_t == 654321,
2844                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2845         BT_PUT(obj);
2846
2847         /* On Solaris, uname() can return any positive value on success */
2848         if (uname(&name) < 0) {
2849                 perror("uname");
2850                 return -1;
2851         }
2852
2853         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2854                 == 0, "Add sysname (%s) environment field to writer instance",
2855                 name.sysname);
2856         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2857                 name.nodename) == 0,
2858                 "Add nodename (%s) environment field to writer instance",
2859                 name.nodename);
2860         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2861                 == 0, "Add release (%s) environment field to writer instance",
2862                 name.release);
2863         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2864                 == 0, "Add version (%s) environment field to writer instance",
2865                 name.version);
2866         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2867                 == 0, "Add machine (%s) environment field to writer istance",
2868                 name.machine);
2869
2870         /* Define a clock and add it to the trace */
2871         ok(bt_ctf_clock_create("signed") == NULL,
2872                 "Illegal clock name rejected");
2873         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2874         clock = bt_ctf_clock_create(clock_name);
2875         ok(clock, "Clock created sucessfully");
2876         returned_clock_name = bt_ctf_clock_get_name(clock);
2877         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2878         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2879                 "Returned clock name is valid");
2880
2881         returned_clock_description = bt_ctf_clock_get_description(clock);
2882         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2883         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2884                 "Clock description set successfully");
2885
2886         returned_clock_description = bt_ctf_clock_get_description(clock);
2887         ok(returned_clock_description,
2888                 "bt_ctf_clock_get_description returns a description.");
2889         ok(returned_clock_description ?
2890                 !strcmp(returned_clock_description, clock_description) : 0,
2891                 "Returned clock description is valid");
2892
2893         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2894                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2895         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2896                 "Set clock frequency");
2897         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2898                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2899
2900         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
2901                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2902         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2903                 "Set clock offset (seconds)");
2904         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
2905                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2906
2907         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
2908                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
2909         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2910         ok(bt_ctf_clock_get_offset(clock) == offset,
2911                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
2912
2913         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2914                 "bt_ctf_clock_get_precision returns the correct default precision");
2915         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2916                 "Set clock precision");
2917         ok(bt_ctf_clock_get_precision(clock) == precision,
2918                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2919
2920         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2921                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2922         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2923                 "Set clock absolute property");
2924         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2925                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2926
2927         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
2928                 "bt_ctf_clock_get_time returns the correct default time");
2929         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2930                 "Set clock time");
2931         ok(bt_ctf_clock_get_time(clock) == current_time,
2932                 "bt_ctf_clock_get_time returns the correct time once it is set");
2933
2934         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2935                 "Add clock to writer instance");
2936         ok(bt_ctf_writer_add_clock(writer, clock),
2937                 "Verify a clock can't be added twice to a writer instance");
2938
2939         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2940                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2941         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2942                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2943         ok(!bt_ctf_trace_get_clock(NULL, 0),
2944                 "bt_ctf_trace_get_clock correctly handles NULL");
2945         ok(!bt_ctf_trace_get_clock(trace, -1),
2946                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2947         ok(!bt_ctf_trace_get_clock(trace, 1),
2948                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2949         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2950         ok(ret_clock == clock,
2951                 "bt_ctf_trace_get_clock returns the right clock instance");
2952         bt_put(ret_clock);
2953         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2954                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2955         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2956                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2957         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2958                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2959         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2960         ok(ret_clock == clock,
2961                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2962         bt_put(ret_clock);
2963         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2964                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2965
2966         ok(!bt_ctf_clock_get_name(NULL),
2967                 "bt_ctf_clock_get_name correctly handles NULL");
2968         ok(!bt_ctf_clock_get_description(NULL),
2969                 "bt_ctf_clock_get_description correctly handles NULL");
2970         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2971                 "bt_ctf_clock_get_frequency correctly handles NULL");
2972         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2973                 "bt_ctf_clock_get_precision correctly handles NULL");
2974         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
2975                 "bt_ctf_clock_get_offset_s correctly handles NULL");
2976         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
2977                 "bt_ctf_clock_get_offset correctly handles NULL");
2978         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
2979                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
2980         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
2981                 "bt_ctf_clock_get_time correctly handles NULL");
2982
2983         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
2984                 "bt_ctf_clock_set_description correctly handles NULL clock");
2985         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
2986                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
2987         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
2988                 "bt_ctf_clock_get_precision correctly handles NULL clock");
2989         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
2990                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
2991         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
2992                 "bt_ctf_clock_set_offset correctly handles NULL clock");
2993         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
2994                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
2995         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
2996                 "bt_ctf_clock_set_time correctly handles NULL clock");
2997         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
2998                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
2999         ret_uuid = bt_ctf_clock_get_uuid(clock);
3000         ok(ret_uuid,
3001                 "bt_ctf_clock_get_uuid returns a UUID");
3002         if (ret_uuid) {
3003                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3004                 /* Slightly modify UUID */
3005                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3006         }
3007
3008         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3009                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3010         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3011                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3012         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3013                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3014         ret_uuid = bt_ctf_clock_get_uuid(clock);
3015         ok(ret_uuid,
3016                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3017         ok(uuid_match(ret_uuid, tmp_uuid),
3018                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3019
3020         /* Define a stream class */
3021         stream_class = bt_ctf_stream_class_create("test_stream");
3022
3023         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3024                 "bt_ctf_stream_class_get_name handles NULL correctly");
3025         ret_string = bt_ctf_stream_class_get_name(stream_class);
3026         ok(ret_string && !strcmp(ret_string, "test_stream"),
3027                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3028
3029         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3030                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3031         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3032                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3033
3034         ok(stream_class, "Create stream class");
3035         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3036                 "Set a stream class' clock");
3037         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3038         ok(ret_clock == clock,
3039                 "bt_ctf_stream_class_get_clock returns a correct clock");
3040         bt_put(ret_clock);
3041
3042         /* Test the event fields and event types APIs */
3043         type_field_tests();
3044
3045         /* Test fields copying */
3046         field_copy_tests();
3047
3048         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3049                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3050         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3051                 "bt_ctf_stream_class_get_id handles NULL correctly");
3052         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3053                 "bt_ctf_stream_class_set_id handles NULL correctly");
3054         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3055                 "Set an stream class' id");
3056         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3057                 "bt_ctf_stream_class_get_id returns the correct value");
3058
3059         /* Validate default event header fields */
3060         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3061                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3062         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3063                 stream_class);
3064         ok(ret_field_type,
3065                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3066         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
3067                 "Default event header type is a structure");
3068         event_header_field_type =
3069                 bt_ctf_field_type_structure_get_field_type_by_name(
3070                 ret_field_type, "id");
3071         ok(event_header_field_type,
3072                 "Default event header type contains an \"id\" field");
3073         ok(bt_ctf_field_type_get_type_id(
3074                 event_header_field_type) == CTF_TYPE_INTEGER,
3075                 "Default event header \"id\" field is an integer");
3076         bt_put(event_header_field_type);
3077         event_header_field_type =
3078                 bt_ctf_field_type_structure_get_field_type_by_name(
3079                 ret_field_type, "timestamp");
3080         ok(event_header_field_type,
3081                 "Default event header type contains a \"timestamp\" field");
3082         ok(bt_ctf_field_type_get_type_id(
3083                 event_header_field_type) == CTF_TYPE_INTEGER,
3084                 "Default event header \"timestamp\" field is an integer");
3085         bt_put(event_header_field_type);
3086         bt_put(ret_field_type);
3087
3088         /* Add a custom trace packet header field */
3089         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3090                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3091         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3092         ok(packet_header_type,
3093                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3094         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
3095                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3096         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3097                 packet_header_type, "magic");
3098         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3099         bt_put(ret_field_type);
3100         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3101                 packet_header_type, "uuid");
3102         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3103         bt_put(ret_field_type);
3104         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3105                 packet_header_type, "stream_id");
3106         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3107         bt_put(ret_field_type);
3108
3109         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3110         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3111                 packet_header_field_type, "custom_trace_packet_header_field"),
3112                 "Added a custom trace packet header field successfully");
3113
3114         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3115                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3116         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3117                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3118         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3119                 "Set a trace packet_header_type successfully");
3120
3121         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3122                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3123
3124         /* Add a custom field to the stream class' packet context */
3125         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3126         ok(packet_context_type,
3127                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3128         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
3129                 "Packet context is a structure");
3130
3131         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3132                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3133         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3134                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3135
3136         integer_type = bt_ctf_field_type_integer_create(32);
3137         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3138                 integer_type) < 0,
3139                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3140         /* Create a "uint5_t" equivalent custom packet context field */
3141         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3142
3143         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3144                 packet_context_field_type, "custom_packet_context_field");
3145         ok(ret == 0, "Packet context field added successfully");
3146
3147         /* Define a stream event context containing a my_integer field. */
3148         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3149                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3150         ok(bt_ctf_stream_class_get_event_context_type(
3151                 stream_class) == NULL,
3152                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3153         stream_event_context_type = bt_ctf_field_type_structure_create();
3154         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3155                 integer_type, "common_event_context");
3156
3157         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3158                 stream_event_context_type) < 0,
3159                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3160         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3161                 NULL) < 0,
3162                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3163         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3164                 integer_type) < 0,
3165                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3166
3167         ok(bt_ctf_stream_class_set_event_context_type(
3168                 stream_class, stream_event_context_type) == 0,
3169                 "Set a new stream event context type");
3170         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3171                 stream_class);
3172         ok(ret_field_type == stream_event_context_type,
3173                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3174         bt_put(ret_field_type);
3175
3176         /* Instantiate a stream and append events */
3177         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3178         ok(stream1, "Instanciate a stream class from writer");
3179
3180         ok(bt_ctf_stream_get_class(NULL) == NULL,
3181                 "bt_ctf_stream_get_class correctly handles NULL");
3182         ret_stream_class = bt_ctf_stream_get_class(stream1);
3183         ok(ret_stream_class,
3184                 "bt_ctf_stream_get_class returns a stream class");
3185         ok(ret_stream_class == stream_class,
3186                 "Returned stream class is of the correct type");
3187
3188         /*
3189          * Try to modify the packet context type after a stream has been
3190          * created.
3191          */
3192         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3193                 packet_header_field_type, "should_fail");
3194         ok(ret < 0,
3195                 "Trace packet header type can't be modified once a stream has been instanciated");
3196
3197         /*
3198          * Try to modify the packet context type after a stream has been
3199          * created.
3200          */
3201         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3202                 packet_context_field_type, "should_fail");
3203         ok(ret < 0,
3204                 "Packet context type can't be modified once a stream has been instanciated");
3205
3206         /*
3207          * Try to modify the stream event context type after a stream has been
3208          * created.
3209          */
3210         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3211                 integer_type, "should_fail");
3212         ok(ret < 0,
3213                 "Stream event context type can't be modified once a stream has been instanciated");
3214
3215         /* Should fail after instanciating a stream (frozen) */
3216         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3217                 "Changes to a stream class that was already instantiated fail");
3218
3219         /* Populate the custom packet header field only once for all tests */
3220         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3221                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3222         packet_header = bt_ctf_stream_get_packet_header(stream1);
3223         ok(packet_header,
3224                 "bt_ctf_stream_get_packet_header returns a packet header");
3225         ret_field_type = bt_ctf_field_get_type(packet_header);
3226         ok(ret_field_type == packet_header_type,
3227                 "Stream returns a packet header of the appropriate type");
3228         bt_put(ret_field_type);
3229         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3230                 "custom_trace_packet_header_field");
3231         ok(packet_header_field,
3232                 "Packet header structure contains a custom field with the appropriate name");
3233         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3234         ok(ret_field_type == packet_header_field_type,
3235                 "Custom packet header field is of the expected type");
3236         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3237                 54321), "Set custom packet header value successfully");
3238         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3239                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3240         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3241                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3242         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3243                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3244         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3245                 "Successfully set a stream's packet header");
3246
3247         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3248                 "Add environment field to writer after stream creation");
3249
3250         test_instanciate_event_before_stream(writer);
3251
3252         append_simple_event(stream_class, stream1, clock);
3253
3254         packet_resize_test(stream_class, stream1, clock);
3255
3256         append_complex_event(stream_class, stream1, clock);
3257
3258         append_existing_event_class(stream_class);
3259
3260         test_empty_stream(writer);
3261
3262         test_custom_event_header_stream(writer);
3263
3264         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3265         ok(metadata_string, "Get metadata string");
3266
3267         bt_ctf_writer_flush_metadata(writer);
3268         validate_metadata(argv[1], metadata_path);
3269         validate_trace(argv[2], trace_path);
3270
3271         bt_put(clock);
3272         bt_put(ret_stream_class);
3273         bt_put(writer);
3274         bt_put(stream1);
3275         bt_put(packet_context_type);
3276         bt_put(packet_context_field_type);
3277         bt_put(integer_type);
3278         bt_put(stream_event_context_type);
3279         bt_put(ret_field_type);
3280         bt_put(packet_header_type);
3281         bt_put(packet_header_field_type);
3282         bt_put(packet_header);
3283         bt_put(packet_header_field);
3284         bt_put(trace);
3285         free(metadata_string);
3286
3287         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
3288                 "bt_ctf_stream_class_get_trace returns NULL after its trace has been reclaimed");
3289         bt_put(stream_class);
3290
3291         /* Remove all trace files and delete temporary trace directory */
3292         DIR *trace_dir = opendir(trace_path);
3293         if (!trace_dir) {
3294                 perror("# opendir");
3295                 return -1;
3296         }
3297
3298         struct dirent *entry;
3299         while ((entry = readdir(trace_dir))) {
3300                 if (entry->d_type == DT_REG) {
3301                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3302                 }
3303         }
3304
3305         rmdir(trace_path);
3306         closedir(trace_dir);
3307         return 0;
3308 }