tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-ir/stream-class.h>
  29 #include <babeltrace/ref.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/values.h>
  32 #include <unistd.h>
  33 #include <babeltrace/compat/stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <babeltrace/compat/stdio.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <babeltrace/compat/dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46 #include <sys/stat.h>
  47
  48 #define METADATA_LINE_SIZE 512
  49 #define SEQUENCE_TEST_LENGTH 10
  50 #define ARRAY_TEST_LENGTH 5
  51 #define PACKET_RESIZE_TEST_LENGTH 100000
  52
  53 #define DEFAULT_CLOCK_FREQ 1000000000
  54 #define DEFAULT_CLOCK_PRECISION 1
  55 #define DEFAULT_CLOCK_OFFSET 0
  56 #define DEFAULT_CLOCK_OFFSET_S 0
  57 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  58 #define DEFAULT_CLOCK_TIME 0
  59 #define DEFAULT_CLOCK_VALUE 0
  60
  61 #define NR_TESTS 591
  62
  63 static int64_t current_time = 42;
  64
  65 /* Return 1 if uuids match, zero if different. */
  66 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  67 {
  68         int ret = 0;
  69         int i;
  70
  71         if (!uuid_a || !uuid_b) {
  72                 goto end;
  73         }
  74
  75         for (i = 0; i < 16; i++) {
  76                 if (uuid_a[i] != uuid_b[i]) {
  77                         goto end;
  78                 }
  79         }
  80
  81         ret = 1;
  82 end:
  83         return ret;
  84 }
  85
  86 void validate_metadata(char *parser_path, char *metadata_path)
  87 {
  88         int ret = 0;
  89         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  90         int parser_output_fd = -1, metadata_fd = -1;
  91
  92         if (!metadata_path) {
  93                 ret = -1;
  94                 goto result;
  95         }
  96
  97         parser_output_fd = mkstemp(parser_output_path);
  98         metadata_fd = open(metadata_path, O_RDONLY);
  99
 100         unlink(parser_output_path);
 101
 102         if (parser_output_fd == -1 || metadata_fd == -1) {
 103                 diag("Failed create temporary files for metadata parsing.");
 104                 ret = -1;
 105                 goto result;
 106         }
 107
 108         pid_t pid = fork();
 109         if (pid) {
 110                 int status = 0;
 111                 waitpid(pid, &status, 0);
 112                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 113         } else {
 114                 /* ctf-parser-test expects a metadata string on stdin. */
 115                 ret = dup2(metadata_fd, STDIN_FILENO);
 116                 if (ret < 0) {
 117                         perror("# dup2 metadata_fd to STDIN");
 118                         goto result;
 119                 }
 120
 121                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 122                 if (ret < 0) {
 123                         perror("# dup2 parser_output_fd to STDOUT");
 124                         goto result;
 125                 }
 126
 127                 ret = dup2(parser_output_fd, STDERR_FILENO);
 128                 if (ret < 0) {
 129                         perror("# dup2 parser_output_fd to STDERR");
 130                         goto result;
 131                 }
 132
 133                 execl(parser_path, "ctf-parser-test", NULL);
 134                 perror("# Could not launch the ctf metadata parser process");
 135                 exit(-1);
 136         }
 137 result:
 138         ok(ret == 0, "Metadata string is valid");
 139
 140         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 141                 char *line;
 142                 size_t len = METADATA_LINE_SIZE;
 143                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 144
 145                 metadata_fp = fdopen(metadata_fd, "r");
 146                 if (!metadata_fp) {
 147                         perror("fdopen on metadata_fd");
 148                         goto close_fp;
 149                 }
 150                 metadata_fd = -1;
 151
 152                 parser_output_fp = fdopen(parser_output_fd, "r");
 153                 if (!parser_output_fp) {
 154                         perror("fdopen on parser_output_fd");
 155                         goto close_fp;
 156                 }
 157                 parser_output_fd = -1;
 158
 159                 line = malloc(len);
 160                 if (!line) {
 161                         diag("malloc failure");
 162                 }
 163
 164                 rewind(metadata_fp);
 165
 166                 /* Output the metadata and parser output as diagnostic */
 167                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 168                         fprintf(stderr, "# %s", line);
 169                 }
 170
 171                 rewind(parser_output_fp);
 172                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 173                         fprintf(stderr, "# %s", line);
 174                 }
 175
 176                 free(line);
 177 close_fp:
 178                 if (metadata_fp) {
 179                         if (fclose(metadata_fp)) {
 180                                 diag("fclose failure");
 181                         }
 182                 }
 183                 if (parser_output_fp) {
 184                         if (fclose(parser_output_fp)) {
 185                                 diag("fclose failure");
 186                         }
 187                 }
 188         }
 189
 190         if (parser_output_fd >= 0) {
 191                 if (close(parser_output_fd)) {
 192                         diag("close error");
 193                 }
 194         }
 195         if (metadata_fd >= 0) {
 196                 if (close(metadata_fd)) {
 197                         diag("close error");
 198                 }
 199         }
 200 }
 201
 202 void validate_trace(char *parser_path, char *trace_path)
 203 {
 204         int ret = 0;
 205         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 206         int babeltrace_output_fd = -1;
 207
 208         if (!trace_path) {
 209                 ret = -1;
 210                 goto result;
 211         }
 212
 213         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 214         unlink(babeltrace_output_path);
 215
 216         if (babeltrace_output_fd == -1) {
 217                 diag("Failed to create a temporary file for trace parsing.");
 218                 ret = -1;
 219                 goto result;
 220         }
 221
 222         pid_t pid = fork();
 223         if (pid) {
 224                 int status = 0;
 225                 waitpid(pid, &status, 0);
 226                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 227         } else {
 228                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 229                 if (ret < 0) {
 230                         perror("# dup2 babeltrace_output_fd to STDOUT");
 231                         goto result;
 232                 }
 233
 234                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 235                 if (ret < 0) {
 236                         perror("# dup2 babeltrace_output_fd to STDERR");
 237                         goto result;
 238                 }
 239
 240                 execl(parser_path, "babeltrace", trace_path, NULL);
 241                 perror("# Could not launch the babeltrace process");
 242                 exit(-1);
 243         }
 244 result:
 245         ok(ret == 0, "Babeltrace could read the resulting trace");
 246
 247         if (ret && babeltrace_output_fd >= 0) {
 248                 char *line;
 249                 size_t len = METADATA_LINE_SIZE;
 250                 FILE *babeltrace_output_fp = NULL;
 251
 252                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 253                 if (!babeltrace_output_fp) {
 254                         perror("fdopen on babeltrace_output_fd");
 255                         goto close_fp;
 256                 }
 257                 babeltrace_output_fd = -1;
 258
 259                 line = malloc(len);
 260                 if (!line) {
 261                         diag("malloc error");
 262                 }
 263                 rewind(babeltrace_output_fp);
 264                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 265                         diag("%s", line);
 266                 }
 267
 268                 free(line);
 269 close_fp:
 270                 if (babeltrace_output_fp) {
 271                         if (fclose(babeltrace_output_fp)) {
 272                                 diag("fclose error");
 273                         }
 274                 }
 275         }
 276
 277         if (babeltrace_output_fd >= 0) {
 278                 if (close(babeltrace_output_fd)) {
 279                         diag("close error");
 280                 }
 281         }
 282 }
 283
 284 void event_copy_tests(struct bt_ctf_event *event)
 285 {
 286         struct bt_ctf_event *copy;
 287         struct bt_ctf_event_class *orig_event_class;
 288         struct bt_ctf_event_class *copy_event_class;
 289         struct bt_ctf_stream *orig_stream;
 290         struct bt_ctf_stream *copy_stream;
 291         struct bt_ctf_field *orig_field;
 292         struct bt_ctf_field *copy_field;
 293
 294         /* copy */
 295         ok(!bt_ctf_event_copy(NULL),
 296                 "bt_ctf_event_copy handles NULL correctly");
 297         copy = bt_ctf_event_copy(event);
 298         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 299
 300         /* validate event class */
 301         orig_event_class = bt_ctf_event_get_class(event);
 302         assert(orig_event_class);
 303         copy_event_class = bt_ctf_event_get_class(copy);
 304         ok(orig_event_class == copy_event_class,
 305                 "original and copied events share the same event class pointer");
 306         bt_put(orig_event_class);
 307         bt_put(copy_event_class);
 308
 309         /* validate stream */
 310         orig_stream = bt_ctf_event_get_stream(event);
 311         copy_stream = bt_ctf_event_get_stream(copy);
 312
 313         if (!orig_stream) {
 314                 ok(!copy_stream, "original and copied events have no stream");
 315         } else {
 316                 ok(orig_stream == copy_stream,
 317                         "original and copied events share the same stream pointer");
 318         }
 319         bt_put(orig_stream);
 320         bt_put(copy_stream);
 321
 322         /* header */
 323         orig_field = bt_ctf_event_get_header(event);
 324         copy_field = bt_ctf_event_get_header(copy);
 325
 326         if (!orig_field) {
 327                 ok(!copy_field, "original and copied events have no header");
 328         } else {
 329                 ok(orig_field != copy_field,
 330                         "original and copied events headers are different pointers");
 331         }
 332
 333         bt_put(orig_field);
 334         bt_put(copy_field);
 335
 336         /* context */
 337         orig_field = bt_ctf_event_get_event_context(event);
 338         copy_field = bt_ctf_event_get_event_context(copy);
 339
 340         if (!orig_field) {
 341                 ok(!copy_field, "original and copied events have no context");
 342         } else {
 343                 ok(orig_field != copy_field,
 344                         "original and copied events contexts are different pointers");
 345         }
 346
 347         bt_put(orig_field);
 348         bt_put(copy_field);
 349
 350         /* payload */
 351         orig_field = bt_ctf_event_get_payload_field(event);
 352         copy_field = bt_ctf_event_get_payload_field(copy);
 353
 354         if (!orig_field) {
 355                 ok(!copy_field, "original and copied events have no payload");
 356         } else {
 357                 ok(orig_field != copy_field,
 358                         "original and copied events payloads are different pointers");
 359         }
 360
 361         bt_put(orig_field);
 362         bt_put(copy_field);
 363
 364         bt_put(copy);
 365 }
 366
 367 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 368                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 369 {
 370         /* Create and add a simple event class */
 371         struct bt_ctf_event_class *simple_event_class =
 372                 bt_ctf_event_class_create("Simple Event");
 373         struct bt_ctf_field_type *uint_12_type =
 374                 bt_ctf_field_type_integer_create(12);
 375         struct bt_ctf_field_type *int_64_type =
 376                 bt_ctf_field_type_integer_create(64);
 377         struct bt_ctf_field_type *float_type =
 378                 bt_ctf_field_type_floating_point_create();
 379         struct bt_ctf_field_type *enum_type;
 380         struct bt_ctf_field_type *enum_type_unsigned =
 381                 bt_ctf_field_type_enumeration_create(uint_12_type);
 382         struct bt_ctf_field_type *event_context_type =
 383                 bt_ctf_field_type_structure_create();
 384         struct bt_ctf_field_type *event_payload_type = NULL;
 385         struct bt_ctf_field_type *returned_type;
 386         struct bt_ctf_event *simple_event;
 387         struct bt_ctf_field *integer_field;
 388         struct bt_ctf_field *float_field;
 389         struct bt_ctf_field *enum_field;
 390         struct bt_ctf_field *enum_field_unsigned;
 391         struct bt_ctf_field *enum_container_field;
 392         const char *mapping_name_test = "truie";
 393         const double double_test_value = 3.1415;
 394         struct bt_ctf_field *enum_container_field_unsigned;
 395         const char *mapping_name_negative_test = "negative_value";
 396         const char *ret_char;
 397         double ret_double;
 398         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 399         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 400         struct bt_ctf_clock *ret_clock;
 401         struct bt_ctf_event_class *ret_event_class;
 402         struct bt_ctf_field *packet_context;
 403         struct bt_ctf_field *packet_context_field;
 404         struct bt_ctf_field *stream_event_context;
 405         struct bt_ctf_field *stream_event_context_field;
 406         struct bt_ctf_field *event_context;
 407         struct bt_ctf_field *event_context_field;
 408         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 409         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 410         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 411         int ret;
 412
 413         ok(uint_12_type, "Create an unsigned integer type");
 414
 415         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 416         ok(int_64_type, "Create a signed integer type");
 417         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 418
 419         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 420         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 421         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 422         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 423                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 424         bt_put(returned_type);
 425
 426         bt_ctf_field_type_set_alignment(float_type, 32);
 427         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 428                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 429         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 430                 "bt_ctf_field_type_get_alignment returns a correct value");
 431
 432         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 433                 "Set a floating point type's exponent digit count");
 434         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 435                 "Set a floating point type's mantissa digit count");
 436
 437         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 438                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 439         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 440                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 441         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 442                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 443         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 444                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 445
 446         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 447                 mapping_name_negative_test, -12345, 0) == 0,
 448                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 449         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 450                 "escaping; \"test\"", 1, 1) == 0,
 451                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 452         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 453                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 454                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 455         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 456                 "event clock int float", 5, 22) == 0,
 457                 "Accept enumeration mapping strings containing reserved keywords");
 458         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 459                 42, 42);
 460         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 461                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 462         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 463                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 464         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 465                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 466         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 467
 468         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 469                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 470         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 471                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 472         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 473                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 474
 475         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 476                 "enum_field") == 0, "Add signed enumeration field to event");
 477
 478         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 479                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 480                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 481         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 482                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 483                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 484         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 485                 NULL, &ret_range_end_int64_t) < 0,
 486                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 487         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 488                 &ret_range_start_int64_t, NULL) < 0,
 489                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 490         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 491                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 492                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 493         ok(!strcmp(ret_char, mapping_name_test),
 494                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 495         ok(ret_range_start_int64_t == 42,
 496                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 497         ok(ret_range_end_int64_t == 42,
 498                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 499
 500         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 501                 "escaping; \"test\"", 0, 0) == 0,
 502                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 503         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 504                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 505                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 506         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 507                 "event clock int float", 5, 22) == 0,
 508                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 509         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 510                 42, 42);
 511         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 512                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 513         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 514                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 515         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 516                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 517         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 518                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 519
 520         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 521                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 522         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 523                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 524
 525         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 526                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 527                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 528         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 529                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 530                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 531         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 532                 NULL, &ret_range_end_uint64_t) < 0,
 533                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 534         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 535                 &ret_range_start_uint64_t, NULL) < 0,
 536                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 537         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 538                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 539                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 540         ok(!strcmp(ret_char, mapping_name_test),
 541                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 542         ok(ret_range_start_uint64_t == 42,
 543                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 544         ok(ret_range_end_uint64_t == 42,
 545                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 546
 547         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 548                 "integer_field");
 549         bt_ctf_event_class_add_field(simple_event_class, float_type,
 550                 "float_field");
 551
 552         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 553
 554         /* Set an event context type which will contain a single integer*/
 555         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 556                 "event_specific_context"),
 557                 "Add event specific context field");
 558         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 559                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 560         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 561                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 562
 563         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 564                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 565         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 566                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 567         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 568                 "Set an event class' context type successfully");
 569         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 570         ok(returned_type == event_context_type,
 571                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 572         bt_put(returned_type);
 573
 574         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 575
 576         /*
 577          * bt_ctf_stream_class_add_event_class() copies the field types
 578          * of simple_event_class, so we retrieve the new ones to create
 579          * the appropriate fields.
 580          */
 581         BT_PUT(event_context_type);
 582         BT_PUT(event_payload_type);
 583         event_payload_type = bt_ctf_event_class_get_payload_type(
 584                 simple_event_class);
 585         assert(event_payload_type);
 586         event_context_type = bt_ctf_event_class_get_context_type(
 587                 simple_event_class);
 588         assert(event_context_type);
 589         ep_integer_field_type =
 590                 bt_ctf_field_type_structure_get_field_type_by_name(
 591                         event_payload_type, "integer_field");
 592         assert(ep_integer_field_type);
 593         ep_enum_field_type =
 594                 bt_ctf_field_type_structure_get_field_type_by_name(
 595                         event_payload_type, "enum_field");
 596         assert(ep_enum_field_type);
 597         ep_enum_field_unsigned_type =
 598                 bt_ctf_field_type_structure_get_field_type_by_name(
 599                         event_payload_type, "enum_field_unsigned");
 600         assert(ep_enum_field_unsigned_type);
 601
 602         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 603                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 604         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 605                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 606         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 607                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 608         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 609                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 610         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 611         ok(ret_event_class == simple_event_class,
 612                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 613         bt_put(ret_event_class);
 614         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 615                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 616         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 617                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 618         ret_event_class =
 619                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 620         ok(ret_event_class == simple_event_class,
 621                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 622         bt_put(ret_event_class);
 623
 624         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 625                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 626         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 627                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 628         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 629                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 630         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 631         ok(ret_event_class == simple_event_class,
 632                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 633         bt_put(ret_event_class);
 634
 635         simple_event = bt_ctf_event_create(simple_event_class);
 636         ok(simple_event,
 637                 "Instantiate an event containing a single integer field");
 638
 639         ok(bt_ctf_event_get_clock(NULL) == NULL,
 640                 "bt_ctf_event_get_clock handles NULL correctly");
 641         ret_clock = bt_ctf_event_get_clock(simple_event);
 642         ok(ret_clock == clock,
 643                 "bt_ctf_event_get_clock returns a correct clock");
 644         bt_put(clock);
 645
 646         integer_field = bt_ctf_field_create(ep_integer_field_type);
 647         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 648         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 649                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 650
 651         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 652         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 653                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 654         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 655         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 656                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 657         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 658                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 659         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 660                 "bt_ctf_field_floating_point_get_value returns a double value");
 661         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 662                 "bt_ctf_field_floating_point_get_value returns a correct value");
 663
 664         enum_field = bt_ctf_field_create(ep_enum_field_type);
 665         assert(enum_field);
 666         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 667         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 668         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 669         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 670         enum_container_field = bt_ctf_field_enumeration_get_container(
 671                 enum_field);
 672         ok(bt_ctf_field_signed_integer_set_value(
 673                 enum_container_field, -42) == 0,
 674                 "Set signed enumeration container value");
 675         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 676         ok(!strcmp(ret_char, mapping_name_negative_test),
 677                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 678         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 679         assert(!ret);
 680
 681         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 682         assert(enum_field_unsigned);
 683         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 684                 enum_field_unsigned);
 685         ok(bt_ctf_field_unsigned_integer_set_value(
 686                 enum_container_field_unsigned, 42) == 0,
 687                 "Set unsigned enumeration container value");
 688         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 689                 enum_field_unsigned);
 690         assert(!ret);
 691         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 692         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 693                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 694
 695         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 696
 697         /* Populate stream event context */
 698         stream_event_context =
 699                 bt_ctf_event_get_stream_event_context(simple_event);
 700         assert(stream_event_context);
 701         stream_event_context_field = bt_ctf_field_structure_get_field(
 702                 stream_event_context, "common_event_context");
 703         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 704
 705         /* Populate the event's context */
 706         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 707                 "bt_ctf_event_get_event_context handles NULL correctly");
 708         event_context = bt_ctf_event_get_event_context(simple_event);
 709         ok(event_context,
 710                 "bt_ctf_event_get_event_context returns a field");
 711         returned_type = bt_ctf_field_get_type(event_context);
 712         ok(returned_type == event_context_type,
 713                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 714         event_context_field = bt_ctf_field_structure_get_field(event_context,
 715                 "event_specific_context");
 716         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 717                 "Successfully set an event context's value");
 718         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 719                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 720         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 721                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 722         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 723                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 724         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 725                 "Set an event context successfully");
 726
 727         event_copy_tests(simple_event);
 728         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 729                 "Append simple event to trace stream");
 730
 731         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 732                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 733         packet_context = bt_ctf_stream_get_packet_context(stream);
 734         ok(packet_context,
 735                 "bt_ctf_stream_get_packet_context returns a packet context");
 736
 737         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 738                 "packet_size");
 739         ok(packet_context_field,
 740                 "Packet context contains the default packet_size field.");
 741         bt_put(packet_context_field);
 742         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 743                 "custom_packet_context_field");
 744         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 745                 "Custom packet context field value successfully set.");
 746
 747         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 748                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 749         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 750                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 751         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 752                 "Successfully set a stream's packet context");
 753
 754         ok(bt_ctf_stream_flush(stream) == 0,
 755                 "Flush trace stream with one event");
 756
 757         bt_put(simple_event_class);
 758         bt_put(simple_event);
 759         bt_put(uint_12_type);
 760         bt_put(int_64_type);
 761         bt_put(float_type);
 762         bt_put(enum_type);
 763         bt_put(enum_type_unsigned);
 764         bt_put(returned_type);
 765         bt_put(event_context_type);
 766         bt_put(integer_field);
 767         bt_put(float_field);
 768         bt_put(enum_field);
 769         bt_put(enum_field_unsigned);
 770         bt_put(enum_container_field);
 771         bt_put(enum_container_field_unsigned);
 772         bt_put(packet_context);
 773         bt_put(packet_context_field);
 774         bt_put(stream_event_context);
 775         bt_put(stream_event_context_field);
 776         bt_put(event_context);
 777         bt_put(event_context_field);
 778         bt_put(event_payload_type);
 779         bt_put(ep_integer_field_type);
 780         bt_put(ep_enum_field_type);
 781         bt_put(ep_enum_field_unsigned_type);
 782 }
 783
 784 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 785                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 786 {
 787         struct event_class_attrs_counts {
 788                 int id;
 789                 int name;
 790                 int loglevel;
 791                 int modelemfuri;
 792                 int unknown;
 793         } attrs_count;
 794
 795         int i;
 796         int ret;
 797         int64_t int64_value;
 798         struct event_class_attrs_counts ;
 799         const char *complex_test_event_string = "Complex Test Event";
 800         const char *test_string_1 = "Test ";
 801         const char *test_string_2 = "string ";
 802         const char *test_string_3 = "abcdefghi";
 803         const char *test_string_4 = "abcd\0efg\0hi";
 804         const char *test_string_cat = "Test string abcdeabcd";
 805         struct bt_ctf_field_type *uint_35_type =
 806                 bt_ctf_field_type_integer_create(35);
 807         struct bt_ctf_field_type *int_16_type =
 808                 bt_ctf_field_type_integer_create(16);
 809         struct bt_ctf_field_type *uint_3_type =
 810                 bt_ctf_field_type_integer_create(3);
 811         struct bt_ctf_field_type *enum_variant_type =
 812                 bt_ctf_field_type_enumeration_create(uint_3_type);
 813         struct bt_ctf_field_type *variant_type =
 814                 bt_ctf_field_type_variant_create(enum_variant_type,
 815                         "variant_selector");
 816         struct bt_ctf_field_type *string_type =
 817                 bt_ctf_field_type_string_create();
 818         struct bt_ctf_field_type *sequence_type;
 819         struct bt_ctf_field_type *array_type;
 820         struct bt_ctf_field_type *inner_structure_type =
 821                 bt_ctf_field_type_structure_create();
 822         struct bt_ctf_field_type *complex_structure_type =
 823                 bt_ctf_field_type_structure_create();
 824         struct bt_ctf_field_type *ret_field_type;
 825         struct bt_ctf_event_class *event_class;
 826         struct bt_ctf_event *event;
 827         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 828                 *inner_structure_field, *complex_structure_field,
 829                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 830                 *variant_field, *an_array_field, *stream_event_ctx_field,
 831                 *stream_event_ctx_int_field, *ret_field;
 832         uint64_t ret_unsigned_int;
 833         int64_t ret_signed_int;
 834         const char *ret_string;
 835         struct bt_ctf_stream_class *ret_stream_class;
 836         struct bt_ctf_event_class *ret_event_class;
 837         struct bt_ctf_field *packet_context, *packet_context_field;
 838         struct bt_value *obj;
 839
 840         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 841                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 842         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 843                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 844         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 845                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 846         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 847                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 848         bt_ctf_field_type_set_alignment(int_16_type, 32);
 849         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 850         bt_ctf_field_type_integer_set_base(uint_35_type,
 851                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 852
 853         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 854         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 855                 "seq_len");
 856
 857         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 858                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 859         ret_field_type = bt_ctf_field_type_array_get_element_type(
 860                 array_type);
 861         ok(ret_field_type == int_16_type,
 862                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 863         bt_put(ret_field_type);
 864
 865         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 866                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 867         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 868                 "bt_ctf_field_type_array_get_length returns the correct length");
 869
 870         bt_ctf_field_type_structure_add_field(inner_structure_type,
 871                 uint_35_type, "seq_len");
 872         bt_ctf_field_type_structure_add_field(inner_structure_type,
 873                 sequence_type, "a_sequence");
 874         bt_ctf_field_type_structure_add_field(inner_structure_type,
 875                 array_type, "an_array");
 876
 877         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 878                 "UINT3_TYPE", 0, 0);
 879         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 880                 "INT16_TYPE", 1, 1);
 881         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 882                 "UINT35_TYPE", 2, 7);
 883
 884         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 885                 "INT16_TYPE") < 0,
 886                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 887         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 888                 enum_variant_type, NULL) < 0,
 889                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 890         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 891                 enum_variant_type, "INT16_TYPE") == 1,
 892                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 893
 894         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 895                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 896         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 897                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 898         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 899                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 900
 901         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 902                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 903         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 904                 "UINT3_TYPE") == 0, "Add a field to a variant");
 905         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 906                 "INT16_TYPE");
 907         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 908                 "UINT35_TYPE");
 909
 910         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 911                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 912         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 913         ok(ret_field_type == enum_variant_type,
 914                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 915         bt_put(ret_field_type);
 916
 917         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 918                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 919         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 920         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 921                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 922         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 923                 "INT16_TYPE") == NULL,
 924                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 925         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 926                 NULL) == NULL,
 927                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 928         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 929                 variant_type, "INT16_TYPE");
 930         ok(ret_field_type == int_16_type,
 931                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 932         bt_put(ret_field_type);
 933
 934         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 935                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 936         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 937                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 938
 939         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 940                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 941         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 942                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 943         bt_put(ret_field_type);
 944         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 945                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 946         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 947                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 948         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 949                 "bt_ctf_field_type_variant_get_field returns a field");
 950         ok(!strcmp("INT16_TYPE", ret_string),
 951                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 952         ok(ret_field_type == int_16_type,
 953                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 954         bt_put(ret_field_type);
 955
 956         bt_ctf_field_type_structure_add_field(complex_structure_type,
 957                 enum_variant_type, "variant_selector");
 958         bt_ctf_field_type_structure_add_field(complex_structure_type,
 959                 string_type, "a_string");
 960         bt_ctf_field_type_structure_add_field(complex_structure_type,
 961                 variant_type, "variant_value");
 962         bt_ctf_field_type_structure_add_field(complex_structure_type,
 963                 inner_structure_type, "inner_structure");
 964
 965         ok(bt_ctf_event_class_create("clock") == NULL,
 966                 "Reject creation of an event class with an illegal name");
 967         event_class = bt_ctf_event_class_create(complex_test_event_string);
 968         ok(event_class, "Create an event class");
 969         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 970                 "Reject addition of a field with an empty name to an event");
 971         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 972                 "Reject addition of a field with a NULL type to an event");
 973         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 974                 "int"),
 975                 "Reject addition of a type with an illegal name to an event");
 976         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 977                 "uint_35") == 0,
 978                 "Add field of type unsigned integer to an event");
 979         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 980                 "int_16") == 0, "Add field of type signed integer to an event");
 981         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 982                 "complex_structure") == 0,
 983                 "Add composite structure to an event");
 984
 985         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 986                 "bt_ctf_event_class_get_name handles NULL correctly");
 987         ret_string = bt_ctf_event_class_get_name(event_class);
 988         ok(!strcmp(ret_string, complex_test_event_string),
 989                 "bt_ctf_event_class_get_name returns a correct name");
 990         ok(bt_ctf_event_class_get_id(event_class) < 0,
 991                 "bt_ctf_event_class_get_id returns a negative value when not set");
 992         ok(bt_ctf_event_class_get_id(NULL) < 0,
 993                 "bt_ctf_event_class_get_id handles NULL correctly");
 994         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 995                 "bt_ctf_event_class_set_id handles NULL correctly");
 996         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 997                 "Set an event class' id");
 998         ok(bt_ctf_event_class_get_id(event_class) == 42,
 999                 "bt_ctf_event_class_get_id returns the correct value");
1000
1001         /* Test event class attributes */
1002         obj = bt_value_integer_create_init(15);
1003         assert(obj);
1004         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
1005                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
1006         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
1007                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
1008         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
1009                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
1010         assert(!bt_value_integer_set(obj, -3));
1011         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
1012                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
1013         assert(!bt_value_integer_set(obj, 11));
1014         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1015         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
1016                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
1017         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
1018         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
1019         ok(ret,
1020                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
1021         BT_PUT(obj);
1022
1023         obj = bt_value_integer_create_init(5);
1024         assert(obj);
1025         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
1026                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
1027         BT_PUT(obj);
1028         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
1029                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
1030         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
1031                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
1032         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
1033                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
1034         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
1035                 "loglevel");
1036         int64_value = 0;
1037         ret = bt_value_integer_get(obj, &int64_value);
1038         ok(obj && !ret && int64_value == 5,
1039                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
1040         BT_PUT(obj);
1041
1042         obj = bt_value_string_create_init("nu name");
1043         assert(obj);
1044         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1045         ret_string = bt_ctf_event_class_get_name(event_class);
1046         ok(!strcmp(ret_string, "nu name"),
1047                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1048         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1049         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1050         ok(ret,
1051                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1052         BT_PUT(obj);
1053         obj = bt_value_string_create_init("http://kernel.org/");
1054         assert(obj);
1055         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1056         BT_PUT(obj);
1057
1058         ok(bt_ctf_event_class_get_attribute_count(NULL),
1059                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1060         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1061                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1062         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1063                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1064         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1065                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1066         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1067                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1068         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1069                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1070
1071         memset(&attrs_count, 0, sizeof(attrs_count));
1072
1073         for (i = 0; i < 4; ++i) {
1074                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1075                         i);
1076                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1077                 assert(ret_string && obj);
1078
1079                 if (!strcmp(ret_string, "id")) {
1080                         attrs_count.id++;
1081                         ok(bt_value_is_integer(obj),
1082                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1083                                 ret_string);
1084                 } else if (!strcmp(ret_string, "name")) {
1085                         attrs_count.name++;
1086                         ok(bt_value_is_string(obj),
1087                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1088                                 ret_string);
1089                 } else if (!strcmp(ret_string, "loglevel")) {
1090                         attrs_count.loglevel++;
1091                         ok(bt_value_is_integer(obj),
1092                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1093                                 ret_string);
1094                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1095                         attrs_count.modelemfuri++;
1096                         ok(bt_value_is_string(obj),
1097                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1098                                 ret_string);
1099                 } else {
1100                         attrs_count.unknown++;
1101                 }
1102
1103                 BT_PUT(obj);
1104         }
1105
1106         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1107         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1108                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1109                 "event class has one instance of each known attribute");
1110
1111         /* Add event class to the stream class */
1112         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1113                 "Reject addition of NULL event class to a stream class");
1114         ok(bt_ctf_stream_class_add_event_class(stream_class,
1115                 event_class) == 0, "Add an event class to stream class");
1116
1117         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1118                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1119         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1120         ok(ret_stream_class == stream_class,
1121                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1122         bt_put(ret_stream_class);
1123
1124         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1125                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1126         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1127                 "bt_ctf_event_class_get_field_count returns a correct value");
1128
1129         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1130                 &ret_field_type, 0) < 0,
1131                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1132         ok(bt_ctf_event_class_get_field(event_class, NULL,
1133                 &ret_field_type, 0) == 0,
1134                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1135         bt_put(ret_field_type);
1136         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1137                 NULL, 0) == 0,
1138                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1139         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1140                 &ret_field_type, 42) < 0,
1141                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1142         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1143                 &ret_field_type, 0) == 0,
1144                 "bt_ctf_event_class_get_field returns a field");
1145         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1146                 "bt_ctf_event_class_get_field returns a correct field type");
1147         bt_put(ret_field_type);
1148         ok(!strcmp(ret_string, "uint_35"),
1149                 "bt_ctf_event_class_get_field returns a correct field name");
1150         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1151                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1152         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1153                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1154         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1155                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1156         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1157                 "complex_structure");
1158         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1159                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1160         bt_put(ret_field_type);
1161
1162         event = bt_ctf_event_create(event_class);
1163         ok(event, "Instanciate a complex event");
1164
1165         ok(bt_ctf_event_get_class(NULL) == NULL,
1166                 "bt_ctf_event_get_class handles NULL correctly");
1167         ret_event_class = bt_ctf_event_get_class(event);
1168         ok(ret_event_class == event_class,
1169                 "bt_ctf_event_get_class returns the correct event class");
1170         bt_put(ret_event_class);
1171
1172         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1173         if (!uint_35_field) {
1174                 printf("uint_35_field is NULL\n");
1175         }
1176
1177         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1178         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1179         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1180                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1181         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1182                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1183         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1184                 &ret_unsigned_int) == 0,
1185                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1186         ok(ret_unsigned_int == 0x0DDF00D,
1187                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1188         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1189                 &ret_signed_int) < 0,
1190                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1191         bt_put(uint_35_field);
1192
1193         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1194         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1195         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1196                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1197         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1198                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1199         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1200                 &ret_signed_int) == 0,
1201                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1202         ok(ret_signed_int == -12345,
1203                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1204         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1205                 &ret_unsigned_int) < 0,
1206                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1207         bt_put(int_16_field);
1208
1209         complex_structure_field = bt_ctf_event_get_payload(event,
1210                 "complex_structure");
1211
1212         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1213                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1214         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1215                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1216         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1217                 complex_structure_field, 3);
1218         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1219         bt_put(inner_structure_field);
1220         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1221                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1222         bt_put(ret_field_type);
1223
1224         inner_structure_field = bt_ctf_field_structure_get_field(
1225                 complex_structure_field, "inner_structure");
1226         a_string_field = bt_ctf_field_structure_get_field(
1227                 complex_structure_field, "a_string");
1228         enum_variant_field = bt_ctf_field_structure_get_field(
1229                 complex_structure_field, "variant_selector");
1230         variant_field = bt_ctf_field_structure_get_field(
1231                 complex_structure_field, "variant_value");
1232         uint_35_field = bt_ctf_field_structure_get_field(
1233                 inner_structure_field, "seq_len");
1234         a_sequence_field = bt_ctf_field_structure_get_field(
1235                 inner_structure_field, "a_sequence");
1236         an_array_field = bt_ctf_field_structure_get_field(
1237                 inner_structure_field, "an_array");
1238
1239         enum_container_field = bt_ctf_field_enumeration_get_container(
1240                 enum_variant_field);
1241         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1242         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1243                 enum_variant_field);
1244         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1245         bt_put(int_16_field);
1246         ok(!bt_ctf_field_string_get_value(a_string_field),
1247                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1248         bt_ctf_field_string_set_value(a_string_field,
1249                 test_string_1);
1250         ok(!bt_ctf_field_string_get_value(NULL),
1251                 "bt_ctf_field_string_get_value correctly handles NULL");
1252         ok(bt_ctf_field_string_append(NULL, "yeah"),
1253                 "bt_ctf_field_string_append correctly handles a NULL string field");
1254         ok(bt_ctf_field_string_append(a_string_field, NULL),
1255                 "bt_ctf_field_string_append correctly handles a NULL string value");
1256         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1257                 "bt_ctf_field_string_append succeeds");
1258         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1259                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1260         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1261                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1262         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1263                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1264         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1265                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1266         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1267                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1268         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1269                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1270
1271         ret_string = bt_ctf_field_string_get_value(a_string_field);
1272         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1273         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1274                 "bt_ctf_field_string_get_value returns a correct value");
1275         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1276                 SEQUENCE_TEST_LENGTH);
1277
1278         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1279                 enum_container_field) == NULL,
1280                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1281         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1282                 NULL) == NULL,
1283                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1284         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1285                 variant_type, enum_variant_field);
1286         ok(ret_field_type == int_16_type,
1287                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1288
1289         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1290                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1291         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1292                 uint_35_field) == 0, "Set a sequence field's length");
1293         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1294         ok(ret_field == uint_35_field,
1295                 "bt_ctf_field_sequence_get_length returns the correct length field");
1296         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1297                 "bt_ctf_field_sequence_get_length properly handles NULL");
1298
1299         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1300                 int_16_field = bt_ctf_field_sequence_get_field(
1301                         a_sequence_field, i);
1302                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1303                 bt_put(int_16_field);
1304         }
1305
1306         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1307                 int_16_field = bt_ctf_field_array_get_field(
1308                         an_array_field, i);
1309                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1310                 bt_put(int_16_field);
1311         }
1312
1313         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1314         assert(stream_event_ctx_field);
1315         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1316                 stream_event_ctx_field, "common_event_context");
1317         BT_PUT(stream_event_ctx_field);
1318         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1319         BT_PUT(stream_event_ctx_int_field);
1320
1321         bt_ctf_clock_set_time(clock, ++current_time);
1322         ok(bt_ctf_stream_append_event(stream, event) == 0,
1323                 "Append a complex event to a stream");
1324
1325         /*
1326          * Populate the custom packet context field with a dummy value
1327          * otherwise flush will fail.
1328          */
1329         packet_context = bt_ctf_stream_get_packet_context(stream);
1330         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1331                 "custom_packet_context_field");
1332         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1333
1334         ok(bt_ctf_stream_flush(stream) == 0,
1335                 "Flush a stream containing a complex event");
1336
1337         bt_put(uint_35_field);
1338         bt_put(a_string_field);
1339         bt_put(inner_structure_field);
1340         bt_put(complex_structure_field);
1341         bt_put(a_sequence_field);
1342         bt_put(an_array_field);
1343         bt_put(enum_variant_field);
1344         bt_put(enum_container_field);
1345         bt_put(variant_field);
1346         bt_put(ret_field);
1347         bt_put(packet_context_field);
1348         bt_put(packet_context);
1349         bt_put(uint_35_type);
1350         bt_put(int_16_type);
1351         bt_put(string_type);
1352         bt_put(sequence_type);
1353         bt_put(array_type);
1354         bt_put(inner_structure_type);
1355         bt_put(complex_structure_type);
1356         bt_put(uint_3_type);
1357         bt_put(enum_variant_type);
1358         bt_put(variant_type);
1359         bt_put(ret_field_type);
1360         bt_put(event_class);
1361         bt_put(event);
1362 }
1363
1364 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1365         struct bt_ctf_field_type *expected_type, const char *name)
1366 {
1367         struct bt_ctf_field_type *copy_type;
1368
1369         copy_type = bt_ctf_field_get_type(field);
1370         ok(copy_type == expected_type,
1371                 "bt_ctf_field_copy does not copy the type (%s)", name);
1372         bt_put(copy_type);
1373 }
1374
1375 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1376         struct bt_ctf_field *field_b, const char *name)
1377 {
1378         ok(field_a != field_b,
1379                 "bt_ctf_field_copy creates different pointers (%s)", name);
1380 }
1381
1382 void field_copy_tests()
1383 {
1384         struct bt_ctf_field_type *len_type = NULL;
1385         struct bt_ctf_field_type *fp_type = NULL;
1386         struct bt_ctf_field_type *s_type = NULL;
1387         struct bt_ctf_field_type *e_int_type = NULL;
1388         struct bt_ctf_field_type *e_type = NULL;
1389         struct bt_ctf_field_type *v_type = NULL;
1390         struct bt_ctf_field_type *v_label1_type = NULL;
1391         struct bt_ctf_field_type *v_label1_array_type = NULL;
1392         struct bt_ctf_field_type *v_label2_type = NULL;
1393         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1394         struct bt_ctf_field_type *strct_type = NULL;
1395         struct bt_ctf_field *len = NULL;
1396         struct bt_ctf_field *fp = NULL;
1397         struct bt_ctf_field *s = NULL;
1398         struct bt_ctf_field *e_int = NULL;
1399         struct bt_ctf_field *e = NULL;
1400         struct bt_ctf_field *v = NULL;
1401         struct bt_ctf_field *v_selected = NULL;
1402         struct bt_ctf_field *v_selected_cur = NULL;
1403         struct bt_ctf_field *v_selected_0 = NULL;
1404         struct bt_ctf_field *v_selected_1 = NULL;
1405         struct bt_ctf_field *v_selected_2 = NULL;
1406         struct bt_ctf_field *v_selected_3 = NULL;
1407         struct bt_ctf_field *v_selected_4 = NULL;
1408         struct bt_ctf_field *v_selected_5 = NULL;
1409         struct bt_ctf_field *v_selected_6 = NULL;
1410         struct bt_ctf_field *a = NULL;
1411         struct bt_ctf_field *a_0 = NULL;
1412         struct bt_ctf_field *a_1 = NULL;
1413         struct bt_ctf_field *a_2 = NULL;
1414         struct bt_ctf_field *a_3 = NULL;
1415         struct bt_ctf_field *a_4 = NULL;
1416         struct bt_ctf_field *strct = NULL;
1417         struct bt_ctf_field *len_copy = NULL;
1418         struct bt_ctf_field *fp_copy = NULL;
1419         struct bt_ctf_field *s_copy = NULL;
1420         struct bt_ctf_field *e_int_copy = NULL;
1421         struct bt_ctf_field *e_copy = NULL;
1422         struct bt_ctf_field *v_copy = NULL;
1423         struct bt_ctf_field *v_selected_copy = NULL;
1424         struct bt_ctf_field *v_selected_copy_len = NULL;
1425         struct bt_ctf_field *v_selected_0_copy = NULL;
1426         struct bt_ctf_field *v_selected_1_copy = NULL;
1427         struct bt_ctf_field *v_selected_2_copy = NULL;
1428         struct bt_ctf_field *v_selected_3_copy = NULL;
1429         struct bt_ctf_field *v_selected_4_copy = NULL;
1430         struct bt_ctf_field *v_selected_5_copy = NULL;
1431         struct bt_ctf_field *v_selected_6_copy = NULL;
1432         struct bt_ctf_field *a_copy = NULL;
1433         struct bt_ctf_field *a_0_copy = NULL;
1434         struct bt_ctf_field *a_1_copy = NULL;
1435         struct bt_ctf_field *a_2_copy = NULL;
1436         struct bt_ctf_field *a_3_copy = NULL;
1437         struct bt_ctf_field *a_4_copy = NULL;
1438         struct bt_ctf_field *strct_copy = NULL;
1439         uint64_t uint64_t_val;
1440         const char *str_val;
1441         double double_val;
1442         int ret;
1443
1444         /* create len type */
1445         len_type = bt_ctf_field_type_integer_create(32);
1446         assert(len_type);
1447
1448         /* create fp type */
1449         fp_type = bt_ctf_field_type_floating_point_create();
1450         assert(fp_type);
1451
1452         /* create s type */
1453         s_type = bt_ctf_field_type_string_create();
1454         assert(s_type);
1455
1456         /* create e_int type */
1457         e_int_type = bt_ctf_field_type_integer_create(8);
1458         assert(e_int_type);
1459
1460         /* create e type */
1461         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1462         assert(e_type);
1463         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1464                 10, 15);
1465         assert(!ret);
1466         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1467                 23, 23);
1468         assert(!ret);
1469
1470         /* create v_label1 type */
1471         v_label1_type = bt_ctf_field_type_string_create();
1472         assert(v_label1_type);
1473
1474         /* create v_label1_array type */
1475         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1476         assert(v_label1_array_type);
1477
1478         /* create v_label2 type */
1479         v_label2_type = bt_ctf_field_type_integer_create(16);
1480         assert(v_label2_type);
1481
1482         /* create v_label2_seq type */
1483         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1484                 "len");
1485         assert(v_label2_seq_type);
1486
1487         /* create v type */
1488         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1489         assert(v_type);
1490         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1491                 "LABEL1");
1492         assert(!ret);
1493         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1494                 "LABEL2");
1495         assert(!ret);
1496
1497         /* create strct type */
1498         strct_type = bt_ctf_field_type_structure_create();
1499         assert(strct_type);
1500         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1501                 "len");
1502         assert(!ret);
1503         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1504         assert(!ret);
1505         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1506         assert(!ret);
1507         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1508         assert(!ret);
1509         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1510         assert(!ret);
1511         ret = bt_ctf_field_type_structure_add_field(strct_type,
1512                 v_label1_array_type, "a");
1513         assert(!ret);
1514
1515         /* create strct */
1516         strct = bt_ctf_field_create(strct_type);
1517         assert(strct);
1518
1519         /* get len field */
1520         len = bt_ctf_field_structure_get_field(strct, "len");
1521         assert(len);
1522
1523         /* get fp field */
1524         fp = bt_ctf_field_structure_get_field(strct, "fp");
1525         assert(fp);
1526
1527         /* get s field */
1528         s = bt_ctf_field_structure_get_field(strct, "s");
1529         assert(s);
1530
1531         /* get e field */
1532         e = bt_ctf_field_structure_get_field(strct, "e");
1533         assert(e);
1534
1535         /* get e_int (underlying integer) */
1536         e_int = bt_ctf_field_enumeration_get_container(e);
1537         assert(e_int);
1538
1539         /* get v field */
1540         v = bt_ctf_field_structure_get_field(strct, "v");
1541         assert(v);
1542
1543         /* get a field */
1544         a = bt_ctf_field_structure_get_field(strct, "a");
1545         assert(a);
1546
1547         /* set len field */
1548         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1549         assert(!ret);
1550
1551         /* set fp field */
1552         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1553         assert(!ret);
1554
1555         /* set s field */
1556         ret = bt_ctf_field_string_set_value(s, "btbt");
1557         assert(!ret);
1558
1559         /* set e field (LABEL2) */
1560         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1561         assert(!ret);
1562
1563         /* set v field */
1564         v_selected = bt_ctf_field_variant_get_field(v, e);
1565         assert(v_selected);
1566         ok(!bt_ctf_field_variant_get_current_field(NULL),
1567                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1568         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1569         ok(v_selected_cur == v_selected,
1570                 "bt_ctf_field_variant_get_current_field returns the current field");
1571         bt_put(v_selected_cur);
1572
1573         /* set selected v field */
1574         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1575         assert(!ret);
1576         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1577         assert(v_selected_0);
1578         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1579         assert(!ret);
1580         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1581         assert(v_selected_1);
1582         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1583         assert(!ret);
1584         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1585         assert(v_selected_2);
1586         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1587         assert(!ret);
1588         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1589         assert(v_selected_3);
1590         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1591         assert(!ret);
1592         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1593         assert(v_selected_4);
1594         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1595         assert(!ret);
1596         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1597         assert(v_selected_5);
1598         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1599         assert(!ret);
1600         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1601         assert(v_selected_6);
1602         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1603         assert(!ret);
1604
1605         /* set a field */
1606         a_0 = bt_ctf_field_array_get_field(a, 0);
1607         assert(a_0);
1608         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1609         assert(!ret);
1610         a_1 = bt_ctf_field_array_get_field(a, 1);
1611         assert(a_1);
1612         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1613         assert(!ret);
1614         a_2 = bt_ctf_field_array_get_field(a, 2);
1615         assert(a_2);
1616         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1617         assert(!ret);
1618         a_3 = bt_ctf_field_array_get_field(a, 3);
1619         assert(a_3);
1620         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1621         assert(!ret);
1622         a_4 = bt_ctf_field_array_get_field(a, 4);
1623         assert(a_4);
1624         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1625         assert(!ret);
1626
1627         /* create copy of strct */
1628         ok(!bt_ctf_field_copy(NULL),
1629                 "bt_ctf_field_copy handles NULL correctly");
1630         strct_copy = bt_ctf_field_copy(strct);
1631         ok(strct_copy,
1632                 "bt_ctf_field_copy returns a valid pointer");
1633
1634         /* get all copied fields */
1635         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1636         assert(len_copy);
1637         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1638         assert(fp_copy);
1639         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1640         assert(s_copy);
1641         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1642         assert(e_copy);
1643         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1644         assert(e_int_copy);
1645         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1646         assert(v_copy);
1647         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1648         assert(v_selected_copy);
1649         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1650         assert(v_selected_0_copy);
1651         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1652         assert(v_selected_1_copy);
1653         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1654         assert(v_selected_2_copy);
1655         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1656         assert(v_selected_3_copy);
1657         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1658         assert(v_selected_4_copy);
1659         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1660         assert(v_selected_5_copy);
1661         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1662         assert(v_selected_6_copy);
1663         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1664                 "sequence field copy is not too large");
1665         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1666         assert(a_copy);
1667         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1668         assert(a_0_copy);
1669         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1670         assert(a_1_copy);
1671         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1672         assert(a_2_copy);
1673         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1674         assert(a_3_copy);
1675         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1676         assert(a_4_copy);
1677         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1678                 "array field copy is not too large");
1679
1680         /* make sure copied fields are different pointers */
1681         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1682         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1683         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1684         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1685         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1686         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1687         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1688         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1689                 "v_selected");
1690         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1691                 "v_selected_0");
1692         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1693                 "v_selected_1");
1694         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1695                 "v_selected_2");
1696         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1697                 "v_selected_3");
1698         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1699                 "v_selected_4");
1700         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1701                 "v_selected_5");
1702         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1703                 "v_selected_6");
1704         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1705         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1706         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1707         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1708         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1709         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1710
1711         /* make sure copied fields share the same types */
1712         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1713         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1714         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1715         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1716         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1717         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1718         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1719                 "v_selected");
1720         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1721                 "v_selected_0");
1722         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1723                 "v_selected_1");
1724         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1725                 "v_selected_2");
1726         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1727                 "v_selected_3");
1728         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1729                 "v_selected_4");
1730         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1731                 "v_selected_5");
1732         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1733                 "v_selected_6");
1734         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1735         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1736         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1737         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1738         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1739         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1740
1741         /* validate len copy */
1742         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1743         assert(!ret);
1744         ok(uint64_t_val == 7,
1745                 "bt_ctf_field_copy creates a valid integer field copy");
1746
1747         /* validate fp copy */
1748         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1749         assert(!ret);
1750         ok(double_val == 3.14,
1751                 "bt_ctf_field_copy creates a valid floating point number field copy");
1752
1753         /* validate s copy */
1754         str_val = bt_ctf_field_string_get_value(s_copy);
1755         ok(str_val && !strcmp(str_val, "btbt"),
1756                 "bt_ctf_field_copy creates a valid string field copy");
1757
1758         /* validate e_int copy */
1759         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1760                 &uint64_t_val);
1761         assert(!ret);
1762         ok(uint64_t_val == 23,
1763                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1764
1765         /* validate e copy */
1766         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1767         ok(str_val && !strcmp(str_val, "LABEL2"),
1768                 "bt_ctf_field_copy creates a valid enum field copy");
1769
1770         /* validate v_selected copy */
1771         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1772         assert(v_selected_copy_len);
1773         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1774                 &uint64_t_val);
1775         assert(!ret);
1776         ok(uint64_t_val == 7,
1777                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1778         bt_put(v_selected_copy_len);
1779         v_selected_copy_len = NULL;
1780
1781         /* validate v_selected copy fields */
1782         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1783                 &uint64_t_val);
1784         assert(!ret);
1785         ok(uint64_t_val == 7,
1786                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1787         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1788                 &uint64_t_val);
1789         assert(!ret);
1790         ok(uint64_t_val == 6,
1791                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1792         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1793                 &uint64_t_val);
1794         assert(!ret);
1795         ok(uint64_t_val == 5,
1796                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1797         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1798                 &uint64_t_val);
1799         assert(!ret);
1800         ok(uint64_t_val == 4,
1801                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1802         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1803                 &uint64_t_val);
1804         assert(!ret);
1805         ok(uint64_t_val == 3,
1806                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1807         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1808                 &uint64_t_val);
1809         assert(!ret);
1810         ok(uint64_t_val == 2,
1811                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1812         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1813                 &uint64_t_val);
1814         assert(!ret);
1815         ok(uint64_t_val == 1,
1816                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1817
1818         /* validate a copy fields */
1819         str_val = bt_ctf_field_string_get_value(a_0_copy);
1820         ok(str_val && !strcmp(str_val, "a_0"),
1821                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1822         str_val = bt_ctf_field_string_get_value(a_1_copy);
1823         ok(str_val && !strcmp(str_val, "a_1"),
1824                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1825         str_val = bt_ctf_field_string_get_value(a_2_copy);
1826         ok(str_val && !strcmp(str_val, "a_2"),
1827                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1828         str_val = bt_ctf_field_string_get_value(a_3_copy);
1829         ok(str_val && !strcmp(str_val, "a_3"),
1830                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1831         str_val = bt_ctf_field_string_get_value(a_4_copy);
1832         ok(str_val && !strcmp(str_val, "a_4"),
1833                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1834
1835         /* put everything */
1836         bt_put(len_type);
1837         bt_put(fp_type);
1838         bt_put(s_type);
1839         bt_put(e_int_type);
1840         bt_put(e_type);
1841         bt_put(v_type);
1842         bt_put(v_label1_type);
1843         bt_put(v_label1_array_type);
1844         bt_put(v_label2_type);
1845         bt_put(v_label2_seq_type);
1846         bt_put(strct_type);
1847         bt_put(len);
1848         bt_put(fp);
1849         bt_put(s);
1850         bt_put(e_int);
1851         bt_put(e);
1852         bt_put(v);
1853         bt_put(v_selected);
1854         bt_put(v_selected_0);
1855         bt_put(v_selected_1);
1856         bt_put(v_selected_2);
1857         bt_put(v_selected_3);
1858         bt_put(v_selected_4);
1859         bt_put(v_selected_5);
1860         bt_put(v_selected_6);
1861         bt_put(a);
1862         bt_put(a_0);
1863         bt_put(a_1);
1864         bt_put(a_2);
1865         bt_put(a_3);
1866         bt_put(a_4);
1867         bt_put(strct);
1868         bt_put(len_copy);
1869         bt_put(fp_copy);
1870         bt_put(s_copy);
1871         bt_put(e_int_copy);
1872         bt_put(e_copy);
1873         bt_put(v_copy);
1874         bt_put(v_selected_copy);
1875         bt_put(v_selected_0_copy);
1876         bt_put(v_selected_1_copy);
1877         bt_put(v_selected_2_copy);
1878         bt_put(v_selected_3_copy);
1879         bt_put(v_selected_4_copy);
1880         bt_put(v_selected_5_copy);
1881         bt_put(v_selected_6_copy);
1882         bt_put(a_copy);
1883         bt_put(a_0_copy);
1884         bt_put(a_1_copy);
1885         bt_put(a_2_copy);
1886         bt_put(a_3_copy);
1887         bt_put(a_4_copy);
1888         bt_put(strct_copy);
1889 }
1890
1891 void type_field_tests()
1892 {
1893         struct bt_ctf_field *uint_12;
1894         struct bt_ctf_field *int_16;
1895         struct bt_ctf_field *string;
1896         struct bt_ctf_field *enumeration;
1897         struct bt_ctf_field_type *composite_structure_type;
1898         struct bt_ctf_field_type *structure_seq_type;
1899         struct bt_ctf_field_type *string_type;
1900         struct bt_ctf_field_type *sequence_type;
1901         struct bt_ctf_field_type *uint_8_type;
1902         struct bt_ctf_field_type *int_16_type;
1903         struct bt_ctf_field_type *uint_12_type =
1904                 bt_ctf_field_type_integer_create(12);
1905         struct bt_ctf_field_type *enumeration_type;
1906         struct bt_ctf_field_type *returned_type;
1907         const char *ret_string;
1908
1909         returned_type = bt_ctf_field_get_type(NULL);
1910         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1911
1912         ok(uint_12_type, "Create an unsigned integer type");
1913         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1914                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1915                 "Set integer type's base as binary");
1916         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1917                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1918                 "Set integer type's base as decimal");
1919         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1920                 BT_CTF_INTEGER_BASE_UNKNOWN),
1921                 "Reject integer type's base set as unknown");
1922         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1923                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1924                 "Set integer type's base as octal");
1925         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1926                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1927                 "Set integer type's base as hexadecimal");
1928         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1929                 "Reject unknown integer base value");
1930         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1931                 "Set integer type signedness to signed");
1932         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1933                 "Set integer type signedness to unsigned");
1934         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1935                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1936         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1937                 "bt_ctf_field_type_integer_get_size returns a correct value");
1938         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1939                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1940         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1941                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1942
1943         ok(bt_ctf_field_type_set_byte_order(NULL,
1944                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1945                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1946         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1947                 (enum bt_ctf_byte_order) 42) < 0,
1948                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1949         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1950                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1951                 "Set an integer's byte order to little endian");
1952         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1953                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1954                 "Set an integer's byte order to big endian");
1955         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1956                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1957                 "bt_ctf_field_type_get_byte_order returns a correct value");
1958         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1959                 BT_CTF_BYTE_ORDER_UNKNOWN,
1960                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1961
1962         ok(bt_ctf_field_type_get_type_id(NULL) ==
1963                 BT_CTF_TYPE_ID_UNKNOWN,
1964                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1965         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1966                 BT_CTF_TYPE_ID_INTEGER,
1967                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1968
1969         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1970                 BT_CTF_INTEGER_BASE_UNKNOWN,
1971                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1972         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1973                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1974                 "bt_ctf_field_type_integer_get_base returns a correct value");
1975
1976         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1977                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1978                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1979         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1980                 (enum bt_ctf_string_encoding) 123) < 0,
1981                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1982         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1983                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1984                 "Set integer type encoding to UTF8");
1985         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1986                 BT_CTF_STRING_ENCODING_UNKNOWN,
1987                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1988         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1989                 BT_CTF_STRING_ENCODING_UTF8,
1990                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1991
1992         int_16_type = bt_ctf_field_type_integer_create(16);
1993         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1994         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1995                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1996         uint_8_type = bt_ctf_field_type_integer_create(8);
1997         sequence_type =
1998                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1999         ok(sequence_type, "Create a sequence of int16_t type");
2000         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
2001                 BT_CTF_TYPE_ID_SEQUENCE,
2002                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
2003
2004         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
2005                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
2006         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
2007                 sequence_type);
2008         ok(!strcmp(ret_string, "seq_len"),
2009                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
2010         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
2011                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
2012         returned_type = bt_ctf_field_type_sequence_get_element_type(
2013                 sequence_type);
2014         ok(returned_type == int_16_type,
2015                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
2016         bt_put(returned_type);
2017
2018         string_type = bt_ctf_field_type_string_create();
2019         ok(string_type, "Create a string type");
2020         ok(bt_ctf_field_type_string_set_encoding(string_type,
2021                 BT_CTF_STRING_ENCODING_NONE),
2022                 "Reject invalid \"None\" string encoding");
2023         ok(bt_ctf_field_type_string_set_encoding(string_type,
2024                 42),
2025                 "Reject invalid string encoding");
2026         ok(bt_ctf_field_type_string_set_encoding(string_type,
2027                 BT_CTF_STRING_ENCODING_ASCII) == 0,
2028                 "Set string encoding to ASCII");
2029
2030         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
2031                 BT_CTF_STRING_ENCODING_UNKNOWN,
2032                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
2033         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
2034                 BT_CTF_STRING_ENCODING_ASCII,
2035                 "bt_ctf_field_type_string_get_encoding returns the correct value");
2036
2037         structure_seq_type = bt_ctf_field_type_structure_create();
2038         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
2039                 BT_CTF_TYPE_ID_STRUCT,
2040                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
2041         ok(structure_seq_type, "Create a structure type");
2042         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2043                 uint_8_type, "seq_len") == 0,
2044                 "Add a uint8_t type to a structure");
2045         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2046                 sequence_type, "a_sequence") == 0,
2047                 "Add a sequence type to a structure");
2048
2049         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2050                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2051         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2052                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2053
2054         ok(bt_ctf_field_type_structure_get_field(NULL,
2055                 &ret_string, &returned_type, 1) < 0,
2056                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2057         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2058                 NULL, &returned_type, 1) == 0,
2059                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2060         bt_put(returned_type);
2061         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2062                 &ret_string, NULL, 1) == 0,
2063                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2064         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2065                 &ret_string, &returned_type, 10) < 0,
2066                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2067         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2068                 &ret_string, &returned_type, 1) == 0,
2069                 "bt_ctf_field_type_structure_get_field returns a field");
2070         ok(!strcmp(ret_string, "a_sequence"),
2071                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2072         ok(returned_type == sequence_type,
2073                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2074         bt_put(returned_type);
2075
2076         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2077                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2078         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2079                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2080         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2081                 structure_seq_type, "a_sequence");
2082         ok(returned_type == sequence_type,
2083                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2084         bt_put(returned_type);
2085
2086         composite_structure_type = bt_ctf_field_type_structure_create();
2087         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2088                 string_type, "a_string") == 0,
2089                 "Add a string type to a structure");
2090         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2091                 structure_seq_type, "inner_structure") == 0,
2092                 "Add a structure type to a structure");
2093
2094         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2095                 NULL, "a_sequence") == NULL,
2096                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2097         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2098                 structure_seq_type, NULL) == NULL,
2099                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2100         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2101                 structure_seq_type, "a_sequence");
2102         ok(returned_type == sequence_type,
2103                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2104         bt_put(returned_type);
2105
2106         int_16 = bt_ctf_field_create(int_16_type);
2107         ok(int_16, "Instanciate a signed 16-bit integer");
2108         uint_12 = bt_ctf_field_create(uint_12_type);
2109         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2110         returned_type = bt_ctf_field_get_type(int_16);
2111         ok(returned_type == int_16_type,
2112                 "bt_ctf_field_get_type returns the correct type");
2113
2114         /* Can't modify types after instanciating them */
2115         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2116                 BT_CTF_INTEGER_BASE_DECIMAL),
2117                 "Check an integer type' base can't be modified after instanciation");
2118         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2119                 "Check an integer type's signedness can't be modified after instanciation");
2120
2121         /* Check signed property is checked */
2122         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2123                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2124         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2125                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2126
2127         /* Check overflows are properly tested for */
2128         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2129                 "Check -32768 is allowed for a signed 16-bit integer");
2130         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2131                 "Check 32767 is allowed for a signed 16-bit integer");
2132         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2133                 "Check 32768 is not allowed for a signed 16-bit integer");
2134         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2135                 "Check -32769 is not allowed for a signed 16-bit integer");
2136         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2137                 "Check -42 is allowed for a signed 16-bit integer");
2138
2139         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2140                 "Check 4095 is allowed for an unsigned 12-bit integer");
2141         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2142                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2143         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2144                 "Check 0 is allowed for an unsigned 12-bit integer");
2145
2146         string = bt_ctf_field_create(string_type);
2147         ok(string, "Instanciate a string field");
2148         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2149                 "Set a string's value");
2150
2151         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2152         ok(enumeration_type,
2153                 "Create an enumeration type with an unsigned 12-bit integer as container");
2154         enumeration = bt_ctf_field_create(enumeration_type);
2155         ok(!enumeration,
2156                 "Check enumeration types are validated before instantiation");
2157
2158         bt_put(string);
2159         bt_put(uint_12);
2160         bt_put(int_16);
2161         bt_put(enumeration);
2162         bt_put(composite_structure_type);
2163         bt_put(structure_seq_type);
2164         bt_put(string_type);
2165         bt_put(sequence_type);
2166         bt_put(uint_8_type);
2167         bt_put(int_16_type);
2168         bt_put(uint_12_type);
2169         bt_put(enumeration_type);
2170         bt_put(returned_type);
2171 }
2172
2173 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2174                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2175 {
2176         /*
2177          * Append enough events to force the underlying packet to be resized.
2178          * Also tests that a new event can be declared after a stream has been
2179          * instantiated and used/flushed.
2180          */
2181         int ret = 0;
2182         int i;
2183         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2184                 "Spammy_Event");
2185         struct bt_ctf_field_type *integer_type =
2186                 bt_ctf_field_type_integer_create(17);
2187         struct bt_ctf_field_type *string_type =
2188                 bt_ctf_field_type_string_create();
2189         struct bt_ctf_event *event = NULL;
2190         struct bt_ctf_field *ret_field = NULL;
2191         struct bt_ctf_field_type *ret_field_type = NULL;
2192         uint64_t ret_uint64;
2193         int events_appended = 0;
2194         struct bt_ctf_field *packet_context = NULL,
2195                 *packet_context_field = NULL, *stream_event_context = NULL;
2196         struct bt_ctf_field_type *ep_field_1_type = NULL;
2197         struct bt_ctf_field_type *ep_a_string_type = NULL;
2198         struct bt_ctf_field_type *ep_type = NULL;
2199
2200         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2201                 "field_1");
2202         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2203                 "a_string");
2204         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2205         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2206         if (ret) {
2207                 goto end;
2208         }
2209
2210         /*
2211          * bt_ctf_stream_class_add_event_class() copies the field types
2212          * of event_class, so we retrieve the new ones to create the
2213          * appropriate fields.
2214          */
2215         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2216         assert(ep_type);
2217         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2218                 ep_type, "field_1");
2219         assert(ep_field_1_type);
2220         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2221                 ep_type, "a_string");
2222         assert(ep_a_string_type);
2223
2224         event = bt_ctf_event_create(event_class);
2225         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2226         ret_field_type = bt_ctf_field_get_type(ret_field);
2227         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2228                 "bt_ctf_event_get_payload_by_index returns a correct field");
2229         bt_put(ret_field_type);
2230         bt_put(ret_field);
2231
2232         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2233                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2234         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2235                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2236         bt_put(event);
2237
2238         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2239                 event = bt_ctf_event_create(event_class);
2240                 struct bt_ctf_field *integer =
2241                         bt_ctf_field_create(ep_field_1_type);
2242                 struct bt_ctf_field *string =
2243                         bt_ctf_field_create(ep_a_string_type);
2244
2245                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2246                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2247                 ret |= bt_ctf_event_set_payload(event, "field_1",
2248                         integer);
2249                 bt_put(integer);
2250                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2251                 ret |= bt_ctf_event_set_payload(event, "a_string",
2252                         string);
2253                 bt_put(string);
2254
2255                 /* Populate stream event context */
2256                 stream_event_context =
2257                         bt_ctf_event_get_stream_event_context(event);
2258                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2259                         "common_event_context");
2260                 BT_PUT(stream_event_context);
2261                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2262                         i % 42);
2263                 bt_put(integer);
2264
2265                 ret |= bt_ctf_stream_append_event(stream, event);
2266                 bt_put(event);
2267
2268                 if (ret) {
2269                         break;
2270                 }
2271         }
2272
2273         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2274         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2275                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2276         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2277                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2278         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2279         ok(ret == 0 && ret_uint64 == 0,
2280                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2281         bt_ctf_stream_append_discarded_events(stream, 1000);
2282         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2283         ok(ret == 0 && ret_uint64 == 1000,
2284                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2285
2286 end:
2287         ok(events_appended, "Append 100 000 events to a stream");
2288
2289         /*
2290          * Populate the custom packet context field with a dummy value
2291          * otherwise flush will fail.
2292          */
2293         packet_context = bt_ctf_stream_get_packet_context(stream);
2294         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2295                 "custom_packet_context_field");
2296         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2297
2298         ok(bt_ctf_stream_flush(stream) == 0,
2299                 "Flush a stream that forces a packet resize");
2300         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2301         ok(ret == 0 && ret_uint64 == 1000,
2302                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2303         bt_put(integer_type);
2304         bt_put(string_type);
2305         bt_put(packet_context);
2306         bt_put(packet_context_field);
2307         bt_put(stream_event_context);
2308         bt_put(event_class);
2309         bt_put(ep_field_1_type);
2310         bt_put(ep_a_string_type);
2311         bt_put(ep_type);
2312 }
2313
2314 void test_empty_stream(struct bt_ctf_writer *writer)
2315 {
2316         int ret = 0;
2317         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2318         struct bt_ctf_stream_class *stream_class = NULL;
2319         struct bt_ctf_stream *stream = NULL;
2320
2321         trace = bt_ctf_writer_get_trace(writer);
2322         if (!trace) {
2323                 diag("Failed to get trace from writer");
2324                 ret = -1;
2325                 goto end;
2326         }
2327
2328         stream_class = bt_ctf_stream_class_create("empty_stream");
2329         if (!stream_class) {
2330                 diag("Failed to create stream class");
2331                 ret = -1;
2332                 goto end;
2333         }
2334
2335         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2336                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2337         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2338                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2339
2340         stream = bt_ctf_writer_create_stream(writer, stream_class);
2341         if (!stream) {
2342                 diag("Failed to create writer stream");
2343                 ret = -1;
2344                 goto end;
2345         }
2346
2347         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2348         ok(ret_trace == trace,
2349                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2350 end:
2351         ok(ret == 0,
2352                 "Created a stream class with default attributes and an empty stream");
2353         bt_put(trace);
2354         bt_put(ret_trace);
2355         bt_put(stream);
2356         bt_put(stream_class);
2357 }
2358
2359 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2360 {
2361         int i, ret;
2362         struct bt_ctf_trace *trace = NULL;
2363         struct bt_ctf_clock *clock = NULL;
2364         struct bt_ctf_stream_class *stream_class = NULL;
2365         struct bt_ctf_stream *stream = NULL;
2366         struct bt_ctf_field_type *integer_type = NULL,
2367                 *sequence_type = NULL, *event_header_type = NULL;
2368         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2369                 *event_header = NULL, *packet_header = NULL;
2370         struct bt_ctf_event_class *event_class = NULL;
2371         struct bt_ctf_event *event = NULL;
2372
2373         trace = bt_ctf_writer_get_trace(writer);
2374         if (!trace) {
2375                 fail("Failed to get trace from writer");
2376                 goto end;
2377         }
2378
2379         clock = bt_ctf_trace_get_clock(trace, 0);
2380         if (!clock) {
2381                 fail("Failed to get clock from trace");
2382                 goto end;
2383         }
2384
2385         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2386         if (!stream_class) {
2387                 fail("Failed to create stream class");
2388                 goto end;
2389         }
2390
2391         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2392         if (ret) {
2393                 fail("Failed to set stream class clock");
2394                 goto end;
2395         }
2396
2397         /*
2398          * Customize event header to add an "seq_len" integer member
2399          * which will be used as the length of a sequence in an event of this
2400          * stream.
2401          */
2402         event_header_type = bt_ctf_stream_class_get_event_header_type(
2403                 stream_class);
2404         if (!event_header_type) {
2405                 fail("Failed to get event header type");
2406                 goto end;
2407         }
2408
2409         integer_type = bt_ctf_field_type_integer_create(13);
2410         if (!integer_type) {
2411                 fail("Failed to create length integer type");
2412                 goto end;
2413         }
2414
2415         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2416                 integer_type, "seq_len");
2417         if (ret) {
2418                 fail("Failed to add a new field to stream event header");
2419                 goto end;
2420         }
2421
2422         event_class = bt_ctf_event_class_create("sequence_event");
2423         if (!event_class) {
2424                 fail("Failed to create event class");
2425                 goto end;
2426         }
2427
2428         /*
2429          * This event's payload will contain a sequence which references
2430          * stream.event.header.seq_len as its length field.
2431          */
2432         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2433                 "stream.event.header.seq_len");
2434         if (!sequence_type) {
2435                 fail("Failed to create a sequence");
2436                 goto end;
2437         }
2438
2439         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2440                 "some_sequence");
2441         if (ret) {
2442                 fail("Failed to add a sequence to an event class");
2443                 goto end;
2444         }
2445
2446         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2447         if (ret) {
2448                 fail("Failed to add event class to stream class");
2449                 goto end;
2450         }
2451
2452         stream = bt_ctf_writer_create_stream(writer, stream_class);
2453         if (!stream) {
2454                 fail("Failed to create stream")
2455                 goto end;
2456         }
2457
2458         /*
2459          * We have defined a custom packet header field. We have to populate it
2460          * explicitly.
2461          */
2462         packet_header = bt_ctf_stream_get_packet_header(stream);
2463         if (!packet_header) {
2464                 fail("Failed to get stream packet header");
2465                 goto end;
2466         }
2467
2468         integer = bt_ctf_field_structure_get_field(packet_header,
2469                 "custom_trace_packet_header_field");
2470         if (!integer) {
2471                 fail("Failed to retrieve custom_trace_packet_header_field");
2472                 goto end;
2473         }
2474
2475         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2476         if (ret) {
2477                 fail("Failed to set custom_trace_packet_header_field value");
2478                 goto end;
2479         }
2480         bt_put(integer);
2481
2482         event = bt_ctf_event_create(event_class);
2483         if (!event) {
2484                 fail("Failed to create event");
2485                 goto end;
2486         }
2487
2488         event_header = bt_ctf_event_get_header(event);
2489         if (!event_header) {
2490                 fail("Failed to get event header");
2491                 goto end;
2492         }
2493
2494         integer = bt_ctf_field_structure_get_field(event_header,
2495                 "seq_len");
2496         if (!integer) {
2497                 fail("Failed to get seq_len field from event header");
2498                 goto end;
2499         }
2500
2501         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2502         if (ret) {
2503                 fail("Failed to set seq_len value in event header");
2504                 goto end;
2505         }
2506
2507         /* Populate both sequence integer fields */
2508         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2509         if (!sequence) {
2510                 fail("Failed to retrieve sequence from event");
2511                 goto end;
2512         }
2513
2514         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2515         if (ret) {
2516                 fail("Failed to set sequence length");
2517                 goto end;
2518         }
2519         bt_put(integer);
2520
2521         for (i = 0; i < 2; i++) {
2522                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2523                 if (ret) {
2524                         fail("Failed to retrieve sequence element");
2525                         goto end;
2526                 }
2527
2528                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2529                 if (ret) {
2530                         fail("Failed to set sequence element value");
2531                         goto end;
2532                 }
2533
2534                 bt_put(integer);
2535                 integer = NULL;
2536         }
2537
2538         ret = bt_ctf_stream_append_event(stream, event);
2539         if (ret) {
2540                 fail("Failed to append event to stream");
2541                 goto end;
2542         }
2543
2544         ret = bt_ctf_stream_flush(stream);
2545         if (ret) {
2546                 fail("Failed to flush custom_event_header stream");
2547         }
2548 end:
2549         bt_put(clock);
2550         bt_put(trace);
2551         bt_put(stream);
2552         bt_put(stream_class);
2553         bt_put(event_class);
2554         bt_put(event);
2555         bt_put(integer);
2556         bt_put(sequence);
2557         bt_put(event_header);
2558         bt_put(packet_header);
2559         bt_put(sequence_type);
2560         bt_put(integer_type);
2561         bt_put(event_header_type);
2562 }
2563
2564 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2565 {
2566         int ret = 0;
2567         struct bt_ctf_trace *trace = NULL;
2568         struct bt_ctf_clock *clock = NULL;
2569         struct bt_ctf_stream_class *stream_class = NULL;
2570         struct bt_ctf_stream *stream = NULL,
2571                 *ret_stream = NULL;
2572         struct bt_ctf_event_class *event_class = NULL;
2573         struct bt_ctf_event *event = NULL;
2574         struct bt_ctf_field_type *integer_type = NULL;
2575         struct bt_ctf_field *integer = NULL;
2576
2577         trace = bt_ctf_writer_get_trace(writer);
2578         if (!trace) {
2579                 diag("Failed to get trace from writer");
2580                 ret = -1;
2581                 goto end;
2582         }
2583
2584         clock = bt_ctf_trace_get_clock(trace, 0);
2585         if (!clock) {
2586                 diag("Failed to get clock from trace");
2587                 ret = -1;
2588                 goto end;
2589         }
2590
2591         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2592         if (!stream_class) {
2593                 diag("Failed to create stream class");
2594                 ret = -1;
2595                 goto end;
2596         }
2597
2598         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2599         if (ret) {
2600                 diag("Failed to set stream class clock");
2601                 goto end;
2602         }
2603
2604         event_class = bt_ctf_event_class_create("some_event_class_name");
2605         integer_type = bt_ctf_field_type_integer_create(32);
2606         if (!integer_type) {
2607                 diag("Failed to create integer field type");
2608                 ret = -1;
2609                 goto end;
2610         }
2611
2612         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2613                 "integer_field");
2614         if (ret) {
2615                 diag("Failed to add field to event class");
2616                 goto end;
2617         }
2618
2619         ret = bt_ctf_stream_class_add_event_class(stream_class,
2620                 event_class);
2621         if (ret) {
2622                 diag("Failed to add event class to stream class");
2623         }
2624
2625         event = bt_ctf_event_create(event_class);
2626         if (!event) {
2627                 diag("Failed to create event");
2628                 ret = -1;
2629                 goto end;
2630         }
2631
2632         integer = bt_ctf_event_get_payload_by_index(event, 0);
2633         if (!integer) {
2634                 diag("Failed to get integer field payload from event");
2635                 ret = -1;
2636                 goto end;
2637         }
2638
2639         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2640         if (ret) {
2641                 diag("Failed to set integer field value");
2642                 goto end;
2643         }
2644
2645         stream = bt_ctf_writer_create_stream(writer, stream_class);
2646         if (!stream) {
2647                 diag("Failed to create writer stream");
2648                 ret = -1;
2649                 goto end;
2650         }
2651
2652         ok(bt_ctf_event_get_stream(NULL) == NULL,
2653                 "bt_ctf_event_get_stream handles NULL correctly");
2654         ok(bt_ctf_event_get_stream(event) == NULL,
2655                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2656
2657         ret = bt_ctf_stream_append_event(stream, event);
2658         if (ret) {
2659                 diag("Failed to append event to stream");
2660                 goto end;
2661         }
2662
2663         ret_stream = bt_ctf_event_get_stream(event);
2664         ok(ret_stream == stream,
2665                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2666 end:
2667         ok(ret == 0,
2668                 "Create an event before instanciating its associated stream");
2669         bt_put(trace);
2670         bt_put(stream);
2671         bt_put(ret_stream);
2672         bt_put(stream_class);
2673         bt_put(event_class);
2674         bt_put(event);
2675         bt_put(integer_type);
2676         bt_put(integer);
2677         bt_put(clock);
2678 }
2679
2680 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2681 {
2682         struct bt_ctf_event_class *event_class;
2683
2684         event_class = bt_ctf_event_class_create("Simple Event");
2685         assert(event_class);
2686         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2687                 "two event classes with the same name cannot cohabit within the same stream class");
2688         bt_put(event_class);
2689
2690         event_class = bt_ctf_event_class_create("different name, ok");
2691         assert(event_class);
2692         assert(!bt_ctf_event_class_set_id(event_class, 11));
2693         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2694                 "two event classes with the same ID cannot cohabit within the same stream class");
2695         bt_put(event_class);
2696 }
2697
2698 int main(int argc, char **argv)
2699 {
2700         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2701         char metadata_path[sizeof(trace_path) + 9];
2702         const char *clock_name = "test_clock";
2703         const char *clock_description = "This is a test clock";
2704         const char *returned_clock_name;
2705         const char *returned_clock_description;
2706         const uint64_t frequency = 1123456789;
2707         const int64_t offset_s = 1351530929945824323;
2708         const int64_t offset = 1234567;
2709         int64_t get_offset_s,
2710                 get_offset,
2711                 get_time;
2712         const uint64_t precision = 10;
2713         const int is_absolute = 0xFF;
2714         char *metadata_string;
2715         struct bt_ctf_writer *writer;
2716         struct utsname name;
2717         char hostname[BABELTRACE_HOST_NAME_MAX];
2718         struct bt_ctf_clock *clock, *ret_clock;
2719         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2720         struct bt_ctf_stream *stream1;
2721         const char *ret_string;
2722         const unsigned char *ret_uuid;
2723         unsigned char tmp_uuid[16] = { 0 };
2724         struct bt_ctf_field_type *packet_context_type,
2725                 *packet_context_field_type,
2726                 *packet_header_type,
2727                 *packet_header_field_type,
2728                 *integer_type,
2729                 *stream_event_context_type,
2730                 *ret_field_type,
2731                 *event_header_field_type;
2732         struct bt_ctf_field *packet_header, *packet_header_field;
2733         struct bt_ctf_trace *trace;
2734         int ret;
2735         int64_t ret_int64_t;
2736         struct bt_value *obj;
2737
2738         if (argc < 3) {
2739                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2740                 return -1;
2741         }
2742
2743         plan_tests(NR_TESTS);
2744
2745         if (!bt_mkdtemp(trace_path)) {
2746                 perror("# perror");
2747         }
2748
2749         strcpy(metadata_path, trace_path);
2750         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2751
2752         writer = bt_ctf_writer_create(trace_path);
2753         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2754
2755         ok(!bt_ctf_writer_get_trace(NULL),
2756                 "bt_ctf_writer_get_trace correctly handles NULL");
2757         trace = bt_ctf_writer_get_trace(writer);
2758         ok(trace,
2759                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2760         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2761                 "Set a trace's byte order to big endian");
2762         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2763                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2764
2765         /* Add environment context to the trace */
2766         ret = gethostname(hostname, sizeof(hostname));
2767         if (ret < 0) {
2768                 return ret;
2769         }
2770         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2771                 "Add host (%s) environment field to writer instance",
2772                 hostname);
2773         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2774                 "test_value"),
2775                 "bt_ctf_writer_add_environment_field error with NULL writer");
2776         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2777                 "test_value"),
2778                 "bt_ctf_writer_add_environment_field error with NULL field name");
2779         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2780                 NULL),
2781                 "bt_ctf_writer_add_environment_field error with NULL field value");
2782
2783         /* Test bt_ctf_trace_set_environment_field with an integer object */
2784         obj = bt_value_integer_create_init(23);
2785         assert(obj);
2786         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2787                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2788         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2789                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2790         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2791                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2792         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2793                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2794         BT_PUT(obj);
2795
2796         /* Test bt_ctf_trace_set_environment_field with a string object */
2797         obj = bt_value_string_create_init("the value");
2798         assert(obj);
2799         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2800                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2801         BT_PUT(obj);
2802
2803         /* Test bt_ctf_trace_set_environment_field_integer */
2804         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2805                 -194875),
2806                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2807         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2808                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2809         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2810                 -164973),
2811                 "bt_ctf_trace_set_environment_field_integer succeeds");
2812
2813         /* Test bt_ctf_trace_set_environment_field_string */
2814         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2815                 "yeah"),
2816                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2817         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2818                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2819         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2820                 NULL),
2821                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2822         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2823                 "oh yeah"),
2824                 "bt_ctf_trace_set_environment_field_string succeeds");
2825
2826         /* Test bt_ctf_trace_get_environment_field_count */
2827         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2828                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2829         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2830                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2831
2832         /* Test bt_ctf_trace_get_environment_field_name */
2833         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2834                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2835         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2836                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2837         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2838                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2839         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2840         ok(ret_string && !strcmp(ret_string, "host"),
2841                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2842         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2843         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2844                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2845         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2846         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2847                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2848         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2849         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2850                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2851         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2852         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2853                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2854
2855         /* Test bt_ctf_trace_get_environment_field_value */
2856         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2857                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2858         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2859                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2860         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2861                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2862         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2863         ret = bt_value_integer_get(obj, &ret_int64_t);
2864         ok(!ret && ret_int64_t == 23,
2865                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2866         BT_PUT(obj);
2867         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2868         ret = bt_value_string_get(obj, &ret_string);
2869         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2870                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2871         BT_PUT(obj);
2872
2873         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2874         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2875                 "test_env_str"),
2876                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2877         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2878                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2879         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2880                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2881         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2882                 "test_env_str");
2883         ret = bt_value_string_get(obj, &ret_string);
2884         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2885                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2886         BT_PUT(obj);
2887
2888         /* Test environment field replacement */
2889         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2890                 654321),
2891                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2892         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2893                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2894         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2895         ret = bt_value_integer_get(obj, &ret_int64_t);
2896         ok(!ret && ret_int64_t == 654321,
2897                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2898         BT_PUT(obj);
2899
2900         /* On Solaris, uname() can return any positive value on success */
2901         if (uname(&name) < 0) {
2902                 perror("uname");
2903                 return -1;
2904         }
2905
2906         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2907                 == 0, "Add sysname (%s) environment field to writer instance",
2908                 name.sysname);
2909         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2910                 name.nodename) == 0,
2911                 "Add nodename (%s) environment field to writer instance",
2912                 name.nodename);
2913         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2914                 == 0, "Add release (%s) environment field to writer instance",
2915                 name.release);
2916         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2917                 == 0, "Add version (%s) environment field to writer instance",
2918                 name.version);
2919         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2920                 == 0, "Add machine (%s) environment field to writer istance",
2921                 name.machine);
2922
2923         /* Define a clock and add it to the trace */
2924         ok(bt_ctf_clock_create("signed") == NULL,
2925                 "Illegal clock name rejected");
2926         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2927         clock = bt_ctf_clock_create(clock_name);
2928         ok(clock, "Clock created sucessfully");
2929         returned_clock_name = bt_ctf_clock_get_name(clock);
2930         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2931         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2932                 "Returned clock name is valid");
2933
2934         returned_clock_description = bt_ctf_clock_get_description(clock);
2935         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2936         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2937                 "Clock description set successfully");
2938
2939         returned_clock_description = bt_ctf_clock_get_description(clock);
2940         ok(returned_clock_description,
2941                 "bt_ctf_clock_get_description returns a description.");
2942         ok(returned_clock_description ?
2943                 !strcmp(returned_clock_description, clock_description) : 0,
2944                 "Returned clock description is valid");
2945
2946         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2947                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2948         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2949                 "Set clock frequency");
2950         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2951                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2952
2953         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2954                 "bt_ctf_clock_get_offset_s succeeds");
2955         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
2956                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2957         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2958                 "Set clock offset (seconds)");
2959         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2960                 "bt_ctf_clock_get_offset_s succeeds");
2961         ok(get_offset_s == offset_s,
2962                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2963
2964         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2965                 "bt_ctf_clock_get_offset succeeds");
2966         ok(get_offset == DEFAULT_CLOCK_OFFSET,
2967                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
2968         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2969         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2970                 "bt_ctf_clock_get_offset succeeds");
2971         ok(get_offset == offset,
2972                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
2973
2974         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2975                 "bt_ctf_clock_get_precision returns the correct default precision");
2976         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2977                 "Set clock precision");
2978         ok(bt_ctf_clock_get_precision(clock) == precision,
2979                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2980
2981         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2982                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2983         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2984                 "Set clock absolute property");
2985         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2986                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2987
2988         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2989                 "bt_ctf_clock_get_time succeeds");
2990         ok(get_time == DEFAULT_CLOCK_TIME,
2991                 "bt_ctf_clock_get_time returns the correct default time");
2992         ok(bt_ctf_clock_get_value(clock) == DEFAULT_CLOCK_VALUE,
2993                 "bt_ctf_clock_get_value returns the correct default value");
2994         ok(bt_ctf_clock_set_value(clock, current_time) == 0,
2995                 "Set clock value");
2996         ok(bt_ctf_clock_get_value(clock) == current_time,
2997                 "bt_ctf_clock_get_value returns the correct value once it is set");
2998         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2999                 "Set clock time");
3000         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3001                 "bt_ctf_clock_get_time succeeds");
3002         ok(get_time >= current_time - 1 && get_time <= current_time + 1,
3003                 "bt_ctf_clock_get_time returns the correct time once it is set");
3004
3005         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
3006                 "Add clock to writer instance");
3007         ok(bt_ctf_writer_add_clock(writer, clock),
3008                 "Verify a clock can't be added twice to a writer instance");
3009
3010         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3011                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3012         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3013                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3014         ok(!bt_ctf_trace_get_clock(NULL, 0),
3015                 "bt_ctf_trace_get_clock correctly handles NULL");
3016         ok(!bt_ctf_trace_get_clock(trace, -1),
3017                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3018         ok(!bt_ctf_trace_get_clock(trace, 1),
3019                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3020         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3021         ok(ret_clock == clock,
3022                 "bt_ctf_trace_get_clock returns the right clock instance");
3023         bt_put(ret_clock);
3024         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3025                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3026         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3027                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3028         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3029                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3030         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3031         ok(ret_clock == clock,
3032                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3033         bt_put(ret_clock);
3034         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3035                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3036
3037         ok(!bt_ctf_clock_get_name(NULL),
3038                 "bt_ctf_clock_get_name correctly handles NULL");
3039         ok(!bt_ctf_clock_get_description(NULL),
3040                 "bt_ctf_clock_get_description correctly handles NULL");
3041         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3042                 "bt_ctf_clock_get_frequency correctly handles NULL");
3043         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3044                 "bt_ctf_clock_get_precision correctly handles NULL");
3045         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3046                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3047         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3048                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3049         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3050                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3051         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3052                 "bt_ctf_clock_get_offset correctly handles NULL output");
3053         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3054                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3055         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3056                 "bt_ctf_clock_get_time correctly handles NULL clock");
3057         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3058                 "bt_ctf_clock_get_time correctly handles NULL output");
3059
3060         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3061                 "bt_ctf_clock_set_description correctly handles NULL clock");
3062         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3063                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3064         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3065                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3066         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3067                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3068         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3069                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3070         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3071                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3072         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3073                 "bt_ctf_clock_set_time correctly handles NULL clock");
3074         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3075                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3076         ret_uuid = bt_ctf_clock_get_uuid(clock);
3077         ok(ret_uuid,
3078                 "bt_ctf_clock_get_uuid returns a UUID");
3079         if (ret_uuid) {
3080                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3081                 /* Slightly modify UUID */
3082                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3083         }
3084
3085         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3086                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3087         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3088                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3089         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3090                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3091         ret_uuid = bt_ctf_clock_get_uuid(clock);
3092         ok(ret_uuid,
3093                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3094         ok(uuid_match(ret_uuid, tmp_uuid),
3095                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3096
3097         /* Define a stream class */
3098         stream_class = bt_ctf_stream_class_create("test_stream");
3099
3100         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3101                 "bt_ctf_stream_class_get_name handles NULL correctly");
3102         ret_string = bt_ctf_stream_class_get_name(stream_class);
3103         ok(ret_string && !strcmp(ret_string, "test_stream"),
3104                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3105
3106         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3107                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3108         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3109                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3110
3111         ok(stream_class, "Create stream class");
3112         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3113                 "Set a stream class' clock");
3114         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3115         ok(ret_clock == clock,
3116                 "bt_ctf_stream_class_get_clock returns a correct clock");
3117         bt_put(ret_clock);
3118
3119         /* Test the event fields and event types APIs */
3120         type_field_tests();
3121
3122         /* Test fields copying */
3123         field_copy_tests();
3124
3125         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3126                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3127         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3128                 "bt_ctf_stream_class_get_id handles NULL correctly");
3129         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3130                 "bt_ctf_stream_class_set_id handles NULL correctly");
3131         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3132                 "Set an stream class' id");
3133         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3134                 "bt_ctf_stream_class_get_id returns the correct value");
3135
3136         /* Validate default event header fields */
3137         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3138                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3139         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3140                 stream_class);
3141         ok(ret_field_type,
3142                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3143         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3144                 "Default event header type is a structure");
3145         event_header_field_type =
3146                 bt_ctf_field_type_structure_get_field_type_by_name(
3147                 ret_field_type, "id");
3148         ok(event_header_field_type,
3149                 "Default event header type contains an \"id\" field");
3150         ok(bt_ctf_field_type_get_type_id(
3151                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3152                 "Default event header \"id\" field is an integer");
3153         bt_put(event_header_field_type);
3154         event_header_field_type =
3155                 bt_ctf_field_type_structure_get_field_type_by_name(
3156                 ret_field_type, "timestamp");
3157         ok(event_header_field_type,
3158                 "Default event header type contains a \"timestamp\" field");
3159         ok(bt_ctf_field_type_get_type_id(
3160                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3161                 "Default event header \"timestamp\" field is an integer");
3162         bt_put(event_header_field_type);
3163         bt_put(ret_field_type);
3164
3165         /* Add a custom trace packet header field */
3166         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3167                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3168         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3169         ok(packet_header_type,
3170                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3171         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3172                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3173         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3174                 packet_header_type, "magic");
3175         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3176         bt_put(ret_field_type);
3177         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3178                 packet_header_type, "uuid");
3179         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3180         bt_put(ret_field_type);
3181         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3182                 packet_header_type, "stream_id");
3183         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3184         bt_put(ret_field_type);
3185
3186         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3187         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3188                 packet_header_field_type, "custom_trace_packet_header_field"),
3189                 "Added a custom trace packet header field successfully");
3190
3191         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3192                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3193         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3194                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3195         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3196                 "Set a trace packet_header_type successfully");
3197
3198         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3199                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3200
3201         /* Add a custom field to the stream class' packet context */
3202         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3203         ok(packet_context_type,
3204                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3205         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3206                 "Packet context is a structure");
3207
3208         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3209                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3210         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3211                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3212
3213         integer_type = bt_ctf_field_type_integer_create(32);
3214         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3215                 integer_type) < 0,
3216                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3217         /* Create a "uint5_t" equivalent custom packet context field */
3218         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3219
3220         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3221                 packet_context_field_type, "custom_packet_context_field");
3222         ok(ret == 0, "Packet context field added successfully");
3223
3224         /* Define a stream event context containing a my_integer field. */
3225         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3226                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3227         ok(bt_ctf_stream_class_get_event_context_type(
3228                 stream_class) == NULL,
3229                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3230         stream_event_context_type = bt_ctf_field_type_structure_create();
3231         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3232                 integer_type, "common_event_context");
3233
3234         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3235                 stream_event_context_type) < 0,
3236                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3237         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3238                 NULL) < 0,
3239                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3240         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3241                 integer_type) < 0,
3242                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3243
3244         ok(bt_ctf_stream_class_set_event_context_type(
3245                 stream_class, stream_event_context_type) == 0,
3246                 "Set a new stream event context type");
3247         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3248                 stream_class);
3249         ok(ret_field_type == stream_event_context_type,
3250                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3251         bt_put(ret_field_type);
3252
3253         /* Instantiate a stream and append events */
3254         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3255         ok(stream1, "Instanciate a stream class from writer");
3256
3257         ok(bt_ctf_stream_get_class(NULL) == NULL,
3258                 "bt_ctf_stream_get_class correctly handles NULL");
3259         ret_stream_class = bt_ctf_stream_get_class(stream1);
3260         ok(ret_stream_class,
3261                 "bt_ctf_stream_get_class returns a stream class");
3262         ok(ret_stream_class == stream_class,
3263                 "Returned stream class is of the correct type");
3264
3265         /*
3266          * Packet header, packet context, event header, and stream
3267          * event context types were copied for the resolving
3268          * process
3269          */
3270         BT_PUT(packet_header_type);
3271         BT_PUT(packet_context_type);
3272         BT_PUT(stream_event_context_type);
3273         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3274         assert(packet_header_type);
3275         packet_context_type =
3276                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3277         assert(packet_context_type);
3278         stream_event_context_type =
3279                 bt_ctf_stream_class_get_event_context_type(stream_class);
3280         assert(stream_event_context_type);
3281
3282         /*
3283          * Try to modify the packet context type after a stream has been
3284          * created.
3285          */
3286         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3287                 packet_header_field_type, "should_fail");
3288         ok(ret < 0,
3289                 "Trace packet header type can't be modified once a stream has been instanciated");
3290
3291         /*
3292          * Try to modify the packet context type after a stream has been
3293          * created.
3294          */
3295         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3296                 packet_context_field_type, "should_fail");
3297         ok(ret < 0,
3298                 "Packet context type can't be modified once a stream has been instanciated");
3299
3300         /*
3301          * Try to modify the stream event context type after a stream has been
3302          * created.
3303          */
3304         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3305                 integer_type, "should_fail");
3306         ok(ret < 0,
3307                 "Stream event context type can't be modified once a stream has been instanciated");
3308
3309         /* Should fail after instanciating a stream (frozen) */
3310         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3311                 "Changes to a stream class that was already instantiated fail");
3312
3313         /* Populate the custom packet header field only once for all tests */
3314         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3315                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3316         packet_header = bt_ctf_stream_get_packet_header(stream1);
3317         ok(packet_header,
3318                 "bt_ctf_stream_get_packet_header returns a packet header");
3319         ret_field_type = bt_ctf_field_get_type(packet_header);
3320         ok(ret_field_type == packet_header_type,
3321                 "Stream returns a packet header of the appropriate type");
3322         bt_put(ret_field_type);
3323         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3324                 "custom_trace_packet_header_field");
3325         ok(packet_header_field,
3326                 "Packet header structure contains a custom field with the appropriate name");
3327         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3328         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3329                 "Custom packet header field is of the expected type");
3330         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3331                 54321), "Set custom packet header value successfully");
3332         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3333                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3334         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3335                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3336         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3337                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3338         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3339                 "Successfully set a stream's packet header");
3340
3341         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3342                 "Add environment field to writer after stream creation");
3343
3344         test_instanciate_event_before_stream(writer);
3345
3346         append_simple_event(stream_class, stream1, clock);
3347
3348         packet_resize_test(stream_class, stream1, clock);
3349
3350         append_complex_event(stream_class, stream1, clock);
3351
3352         append_existing_event_class(stream_class);
3353
3354         test_empty_stream(writer);
3355
3356         test_custom_event_header_stream(writer);
3357
3358         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3359         ok(metadata_string, "Get metadata string");
3360
3361         bt_ctf_writer_flush_metadata(writer);
3362         validate_metadata(argv[1], metadata_path);
3363         validate_trace(argv[2], trace_path);
3364
3365         bt_put(clock);
3366         bt_put(ret_stream_class);
3367         bt_put(writer);
3368         bt_put(stream1);
3369         bt_put(packet_context_type);
3370         bt_put(packet_context_field_type);
3371         bt_put(integer_type);
3372         bt_put(stream_event_context_type);
3373         bt_put(ret_field_type);
3374         bt_put(packet_header_type);
3375         bt_put(packet_header_field_type);
3376         bt_put(packet_header);
3377         bt_put(packet_header_field);
3378         bt_put(trace);
3379         free(metadata_string);
3380         bt_put(stream_class);
3381
3382         /* Remove all trace files and delete temporary trace directory */
3383         DIR *trace_dir = opendir(trace_path);
3384         if (!trace_dir) {
3385                 perror("# opendir");
3386                 return -1;
3387         }
3388
3389         struct dirent *entry;
3390         while ((entry = readdir(trace_dir))) {
3391                 struct stat st;
3392                 char filename[PATH_MAX];
3393
3394                 if (snprintf(filename, sizeof(filename), "%s/%s",
3395                                         trace_path, entry->d_name) <= 0) {
3396                         continue;
3397                 }
3398
3399                 if (stat(entry->d_name, &st)) {
3400                         continue;
3401                 }
3402
3403                 if (S_ISREG(st.st_mode)) {
3404                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3405                 }
3406         }
3407
3408         rmdir(trace_path);
3409         closedir(trace_dir);
3410         return 0;
3411 }