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
  60 #define NR_TESTS 594
  61
  62 static int64_t current_time = 42;
  63
  64 /* Return 1 if uuids match, zero if different. */
  65 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  66 {
  67         int ret = 0;
  68         int i;
  69
  70         if (!uuid_a || !uuid_b) {
  71                 goto end;
  72         }
  73
  74         for (i = 0; i < 16; i++) {
  75                 if (uuid_a[i] != uuid_b[i]) {
  76                         goto end;
  77                 }
  78         }
  79
  80         ret = 1;
  81 end:
  82         return ret;
  83 }
  84
  85 void validate_metadata(char *parser_path, char *metadata_path)
  86 {
  87         int ret = 0;
  88         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  89         int parser_output_fd = -1, metadata_fd = -1;
  90
  91         if (!metadata_path) {
  92                 ret = -1;
  93                 goto result;
  94         }
  95
  96         parser_output_fd = mkstemp(parser_output_path);
  97         metadata_fd = open(metadata_path, O_RDONLY);
  98
  99         unlink(parser_output_path);
 100
 101         if (parser_output_fd == -1 || metadata_fd == -1) {
 102                 diag("Failed create temporary files for metadata parsing.");
 103                 ret = -1;
 104                 goto result;
 105         }
 106
 107         pid_t pid = fork();
 108         if (pid) {
 109                 int status = 0;
 110                 waitpid(pid, &status, 0);
 111                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 112         } else {
 113                 /* ctf-parser-test expects a metadata string on stdin. */
 114                 ret = dup2(metadata_fd, STDIN_FILENO);
 115                 if (ret < 0) {
 116                         perror("# dup2 metadata_fd to STDIN");
 117                         goto result;
 118                 }
 119
 120                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 121                 if (ret < 0) {
 122                         perror("# dup2 parser_output_fd to STDOUT");
 123                         goto result;
 124                 }
 125
 126                 ret = dup2(parser_output_fd, STDERR_FILENO);
 127                 if (ret < 0) {
 128                         perror("# dup2 parser_output_fd to STDERR");
 129                         goto result;
 130                 }
 131
 132                 execl(parser_path, "ctf-parser-test", NULL);
 133                 perror("# Could not launch the ctf metadata parser process");
 134                 exit(-1);
 135         }
 136 result:
 137         ok(ret == 0, "Metadata string is valid");
 138
 139         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 140                 char *line;
 141                 size_t len = METADATA_LINE_SIZE;
 142                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 143
 144                 metadata_fp = fdopen(metadata_fd, "r");
 145                 if (!metadata_fp) {
 146                         perror("fdopen on metadata_fd");
 147                         goto close_fp;
 148                 }
 149                 metadata_fd = -1;
 150
 151                 parser_output_fp = fdopen(parser_output_fd, "r");
 152                 if (!parser_output_fp) {
 153                         perror("fdopen on parser_output_fd");
 154                         goto close_fp;
 155                 }
 156                 parser_output_fd = -1;
 157
 158                 line = malloc(len);
 159                 if (!line) {
 160                         diag("malloc failure");
 161                 }
 162
 163                 rewind(metadata_fp);
 164
 165                 /* Output the metadata and parser output as diagnostic */
 166                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 167                         fprintf(stderr, "# %s", line);
 168                 }
 169
 170                 rewind(parser_output_fp);
 171                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 172                         fprintf(stderr, "# %s", line);
 173                 }
 174
 175                 free(line);
 176 close_fp:
 177                 if (metadata_fp) {
 178                         if (fclose(metadata_fp)) {
 179                                 diag("fclose failure");
 180                         }
 181                 }
 182                 if (parser_output_fp) {
 183                         if (fclose(parser_output_fp)) {
 184                                 diag("fclose failure");
 185                         }
 186                 }
 187         }
 188
 189         if (parser_output_fd >= 0) {
 190                 if (close(parser_output_fd)) {
 191                         diag("close error");
 192                 }
 193         }
 194         if (metadata_fd >= 0) {
 195                 if (close(metadata_fd)) {
 196                         diag("close error");
 197                 }
 198         }
 199 }
 200
 201 void validate_trace(char *parser_path, char *trace_path)
 202 {
 203         int ret = 0;
 204         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 205         int babeltrace_output_fd = -1;
 206
 207         if (!trace_path) {
 208                 ret = -1;
 209                 goto result;
 210         }
 211
 212         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 213         unlink(babeltrace_output_path);
 214
 215         if (babeltrace_output_fd == -1) {
 216                 diag("Failed to create a temporary file for trace parsing.");
 217                 ret = -1;
 218                 goto result;
 219         }
 220
 221         pid_t pid = fork();
 222         if (pid) {
 223                 int status = 0;
 224                 waitpid(pid, &status, 0);
 225                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 226         } else {
 227                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 228                 if (ret < 0) {
 229                         perror("# dup2 babeltrace_output_fd to STDOUT");
 230                         goto result;
 231                 }
 232
 233                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 234                 if (ret < 0) {
 235                         perror("# dup2 babeltrace_output_fd to STDERR");
 236                         goto result;
 237                 }
 238
 239                 execl(parser_path, "babeltrace", trace_path, NULL);
 240                 perror("# Could not launch the babeltrace process");
 241                 exit(-1);
 242         }
 243 result:
 244         ok(ret == 0, "Babeltrace could read the resulting trace");
 245
 246         if (ret && babeltrace_output_fd >= 0) {
 247                 char *line;
 248                 size_t len = METADATA_LINE_SIZE;
 249                 FILE *babeltrace_output_fp = NULL;
 250
 251                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 252                 if (!babeltrace_output_fp) {
 253                         perror("fdopen on babeltrace_output_fd");
 254                         goto close_fp;
 255                 }
 256                 babeltrace_output_fd = -1;
 257
 258                 line = malloc(len);
 259                 if (!line) {
 260                         diag("malloc error");
 261                 }
 262                 rewind(babeltrace_output_fp);
 263                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 264                         diag("%s", line);
 265                 }
 266
 267                 free(line);
 268 close_fp:
 269                 if (babeltrace_output_fp) {
 270                         if (fclose(babeltrace_output_fp)) {
 271                                 diag("fclose error");
 272                         }
 273                 }
 274         }
 275
 276         if (babeltrace_output_fd >= 0) {
 277                 if (close(babeltrace_output_fd)) {
 278                         diag("close error");
 279                 }
 280         }
 281 }
 282
 283 void event_copy_tests(struct bt_ctf_event *event)
 284 {
 285         struct bt_ctf_event *copy;
 286         struct bt_ctf_event_class *orig_event_class;
 287         struct bt_ctf_event_class *copy_event_class;
 288         struct bt_ctf_stream *orig_stream;
 289         struct bt_ctf_stream *copy_stream;
 290         struct bt_ctf_field *orig_field;
 291         struct bt_ctf_field *copy_field;
 292
 293         /* copy */
 294         ok(!bt_ctf_event_copy(NULL),
 295                 "bt_ctf_event_copy handles NULL correctly");
 296         copy = bt_ctf_event_copy(event);
 297         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 298
 299         /* validate event class */
 300         orig_event_class = bt_ctf_event_get_class(event);
 301         assert(orig_event_class);
 302         copy_event_class = bt_ctf_event_get_class(copy);
 303         ok(orig_event_class == copy_event_class,
 304                 "original and copied events share the same event class pointer");
 305         bt_put(orig_event_class);
 306         bt_put(copy_event_class);
 307
 308         /* validate stream */
 309         orig_stream = bt_ctf_event_get_stream(event);
 310         copy_stream = bt_ctf_event_get_stream(copy);
 311
 312         if (!orig_stream) {
 313                 ok(!copy_stream, "original and copied events have no stream");
 314         } else {
 315                 ok(orig_stream == copy_stream,
 316                         "original and copied events share the same stream pointer");
 317         }
 318         bt_put(orig_stream);
 319         bt_put(copy_stream);
 320
 321         /* header */
 322         orig_field = bt_ctf_event_get_header(event);
 323         copy_field = bt_ctf_event_get_header(copy);
 324
 325         if (!orig_field) {
 326                 ok(!copy_field, "original and copied events have no header");
 327         } else {
 328                 ok(orig_field != copy_field,
 329                         "original and copied events headers are different pointers");
 330         }
 331
 332         bt_put(orig_field);
 333         bt_put(copy_field);
 334
 335         /* context */
 336         orig_field = bt_ctf_event_get_event_context(event);
 337         copy_field = bt_ctf_event_get_event_context(copy);
 338
 339         if (!orig_field) {
 340                 ok(!copy_field, "original and copied events have no context");
 341         } else {
 342                 ok(orig_field != copy_field,
 343                         "original and copied events contexts are different pointers");
 344         }
 345
 346         bt_put(orig_field);
 347         bt_put(copy_field);
 348
 349         /* payload */
 350         orig_field = bt_ctf_event_get_payload_field(event);
 351         copy_field = bt_ctf_event_get_payload_field(copy);
 352
 353         if (!orig_field) {
 354                 ok(!copy_field, "original and copied events have no payload");
 355         } else {
 356                 ok(orig_field != copy_field,
 357                         "original and copied events payloads are different pointers");
 358         }
 359
 360         bt_put(orig_field);
 361         bt_put(copy_field);
 362
 363         bt_put(copy);
 364 }
 365
 366 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 367                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 368 {
 369         /* Create and add a simple event class */
 370         struct bt_ctf_event_class *simple_event_class =
 371                 bt_ctf_event_class_create("Simple Event");
 372         struct bt_ctf_field_type *uint_12_type =
 373                 bt_ctf_field_type_integer_create(12);
 374         struct bt_ctf_field_type *int_64_type =
 375                 bt_ctf_field_type_integer_create(64);
 376         struct bt_ctf_field_type *float_type =
 377                 bt_ctf_field_type_floating_point_create();
 378         struct bt_ctf_field_type *enum_type;
 379         struct bt_ctf_field_type *enum_type_unsigned =
 380                 bt_ctf_field_type_enumeration_create(uint_12_type);
 381         struct bt_ctf_field_type *event_context_type =
 382                 bt_ctf_field_type_structure_create();
 383         struct bt_ctf_field_type *event_payload_type = NULL;
 384         struct bt_ctf_field_type *returned_type;
 385         struct bt_ctf_event *simple_event;
 386         struct bt_ctf_field *integer_field;
 387         struct bt_ctf_field *float_field;
 388         struct bt_ctf_field *enum_field;
 389         struct bt_ctf_field *enum_field_unsigned;
 390         struct bt_ctf_field *enum_container_field;
 391         const char *mapping_name_test = "truie";
 392         const double double_test_value = 3.1415;
 393         struct bt_ctf_field *enum_container_field_unsigned;
 394         const char *mapping_name_negative_test = "negative_value";
 395         const char *ret_char;
 396         double ret_double;
 397         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 398         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 399         struct bt_ctf_clock *ret_clock;
 400         struct bt_ctf_event_class *ret_event_class;
 401         struct bt_ctf_field *packet_context;
 402         struct bt_ctf_field *packet_context_field;
 403         struct bt_ctf_field *stream_event_context;
 404         struct bt_ctf_field *stream_event_context_field;
 405         struct bt_ctf_field *event_context;
 406         struct bt_ctf_field *event_context_field;
 407         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 408         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 409         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 410         int ret;
 411
 412         ok(uint_12_type, "Create an unsigned integer type");
 413
 414         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 415         ok(int_64_type, "Create a signed integer type");
 416         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 417
 418         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 419         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 420         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 421         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 422                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 423         bt_put(returned_type);
 424
 425         bt_ctf_field_type_set_alignment(float_type, 32);
 426         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 427                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 428         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 429                 "bt_ctf_field_type_get_alignment returns a correct value");
 430
 431         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 432                 "Set a floating point type's exponent digit count");
 433         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 434                 "Set a floating point type's mantissa digit count");
 435
 436         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 437                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 438         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 439                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 440         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 441                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 442         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 443                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 444
 445         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 446                 mapping_name_negative_test, -12345, 0) == 0,
 447                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 448         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 449                 "escaping; \"test\"", 1, 1) == 0,
 450                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 451         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 452                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 453                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 454         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 455                 "event clock int float", 5, 22) == 0,
 456                 "Accept enumeration mapping strings containing reserved keywords");
 457         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 458                 42, 42);
 459         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 460                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 461         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 462                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 463         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 464                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 465         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 466
 467         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 468                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 469         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 470                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 471         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 472                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 473
 474         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 475                 "enum_field") == 0, "Add signed enumeration field to event");
 476
 477         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 478                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 479                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 480         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 481                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 482                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 483         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 484                 NULL, &ret_range_end_int64_t) < 0,
 485                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 486         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 487                 &ret_range_start_int64_t, NULL) < 0,
 488                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 489         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 490                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 491                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 492         ok(!strcmp(ret_char, mapping_name_test),
 493                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 494         ok(ret_range_start_int64_t == 42,
 495                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 496         ok(ret_range_end_int64_t == 42,
 497                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 498
 499         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 500                 "escaping; \"test\"", 0, 0) == 0,
 501                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 502         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 503                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 504                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 505         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 506                 "event clock int float", 5, 22) == 0,
 507                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 508         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 509                 42, 42);
 510         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 511                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 512         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 513                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 514         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 515                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 516         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 517                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 518
 519         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 520                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 521         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 522                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 523
 524         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 525                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 526                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 527         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 528                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 529                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 530         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 531                 NULL, &ret_range_end_uint64_t) < 0,
 532                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 533         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 534                 &ret_range_start_uint64_t, NULL) < 0,
 535                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 536         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 537                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 538                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 539         ok(!strcmp(ret_char, mapping_name_test),
 540                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 541         ok(ret_range_start_uint64_t == 42,
 542                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 543         ok(ret_range_end_uint64_t == 42,
 544                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 545
 546         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 547                 "integer_field");
 548         bt_ctf_event_class_add_field(simple_event_class, float_type,
 549                 "float_field");
 550
 551         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 552
 553         /* Set an event context type which will contain a single integer*/
 554         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 555                 "event_specific_context"),
 556                 "Add event specific context field");
 557         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 558                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 559         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 560                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 561
 562         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 563                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 564         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 565                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 566         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 567                 "Set an event class' context type successfully");
 568         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 569         ok(returned_type == event_context_type,
 570                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 571         bt_put(returned_type);
 572
 573         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 574
 575         /*
 576          * bt_ctf_stream_class_add_event_class() copies the field types
 577          * of simple_event_class, so we retrieve the new ones to create
 578          * the appropriate fields.
 579          */
 580         BT_PUT(event_context_type);
 581         BT_PUT(event_payload_type);
 582         event_payload_type = bt_ctf_event_class_get_payload_type(
 583                 simple_event_class);
 584         assert(event_payload_type);
 585         event_context_type = bt_ctf_event_class_get_context_type(
 586                 simple_event_class);
 587         assert(event_context_type);
 588         ep_integer_field_type =
 589                 bt_ctf_field_type_structure_get_field_type_by_name(
 590                         event_payload_type, "integer_field");
 591         assert(ep_integer_field_type);
 592         ep_enum_field_type =
 593                 bt_ctf_field_type_structure_get_field_type_by_name(
 594                         event_payload_type, "enum_field");
 595         assert(ep_enum_field_type);
 596         ep_enum_field_unsigned_type =
 597                 bt_ctf_field_type_structure_get_field_type_by_name(
 598                         event_payload_type, "enum_field_unsigned");
 599         assert(ep_enum_field_unsigned_type);
 600
 601         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 602                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 603         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 604                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 605         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 606                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 607         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 608                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 609         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 610         ok(ret_event_class == simple_event_class,
 611                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 612         bt_put(ret_event_class);
 613         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 614                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 615         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 616                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 617         ret_event_class =
 618                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 619         ok(ret_event_class == simple_event_class,
 620                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 621         bt_put(ret_event_class);
 622
 623         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 624                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 625         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 626                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 627         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 628                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 629         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 630         ok(ret_event_class == simple_event_class,
 631                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 632         bt_put(ret_event_class);
 633
 634         simple_event = bt_ctf_event_create(simple_event_class);
 635         ok(simple_event,
 636                 "Instantiate an event containing a single integer field");
 637
 638         ok(bt_ctf_event_get_clock(NULL) == NULL,
 639                 "bt_ctf_event_get_clock handles NULL correctly");
 640         ret_clock = bt_ctf_event_get_clock(simple_event);
 641         ok(ret_clock == clock,
 642                 "bt_ctf_event_get_clock returns a correct clock");
 643         bt_put(clock);
 644
 645         integer_field = bt_ctf_field_create(ep_integer_field_type);
 646         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 647         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 648                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 649
 650         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 651         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 652                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 653         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 654         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 655                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 656         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 657                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 658         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 659                 "bt_ctf_field_floating_point_get_value returns a double value");
 660         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 661                 "bt_ctf_field_floating_point_get_value returns a correct value");
 662
 663         enum_field = bt_ctf_field_create(ep_enum_field_type);
 664         assert(enum_field);
 665         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 666         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 667         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 668         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 669         enum_container_field = bt_ctf_field_enumeration_get_container(
 670                 enum_field);
 671         ok(bt_ctf_field_signed_integer_set_value(
 672                 enum_container_field, -42) == 0,
 673                 "Set signed enumeration container value");
 674         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 675         ok(!strcmp(ret_char, mapping_name_negative_test),
 676                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 677         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 678         assert(!ret);
 679
 680         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 681         assert(enum_field_unsigned);
 682         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 683                 enum_field_unsigned);
 684         ok(bt_ctf_field_unsigned_integer_set_value(
 685                 enum_container_field_unsigned, 42) == 0,
 686                 "Set unsigned enumeration container value");
 687         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 688                 enum_field_unsigned);
 689         assert(!ret);
 690         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 691         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 692                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 693
 694         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 695
 696         /* Populate stream event context */
 697         stream_event_context = bt_ctf_stream_get_event_context(stream);
 698         stream_event_context_field = bt_ctf_field_structure_get_field(
 699                 stream_event_context, "common_event_context");
 700         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 701
 702         /* Populate the event's context */
 703         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 704                 "bt_ctf_event_get_event_context handles NULL correctly");
 705         event_context = bt_ctf_event_get_event_context(simple_event);
 706         ok(event_context,
 707                 "bt_ctf_event_get_event_context returns a field");
 708         returned_type = bt_ctf_field_get_type(event_context);
 709         ok(returned_type == event_context_type,
 710                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 711         event_context_field = bt_ctf_field_structure_get_field(event_context,
 712                 "event_specific_context");
 713         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 714                 "Successfully set an event context's value");
 715         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 716                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 717         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 718                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 719         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 720                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 721         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 722                 "Set an event context successfully");
 723
 724         event_copy_tests(simple_event);
 725         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 726                 "Append simple event to trace stream");
 727
 728         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 729                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 730         packet_context = bt_ctf_stream_get_packet_context(stream);
 731         ok(packet_context,
 732                 "bt_ctf_stream_get_packet_context returns a packet context");
 733
 734         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 735                 "packet_size");
 736         ok(packet_context_field,
 737                 "Packet context contains the default packet_size field.");
 738         bt_put(packet_context_field);
 739         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 740                 "custom_packet_context_field");
 741         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 742                 "Custom packet context field value successfully set.");
 743
 744         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 745                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 746         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 747                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 748         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 749                 "Successfully set a stream's packet context");
 750
 751         ok(bt_ctf_stream_flush(stream) == 0,
 752                 "Flush trace stream with one event");
 753
 754         bt_put(simple_event_class);
 755         bt_put(simple_event);
 756         bt_put(uint_12_type);
 757         bt_put(int_64_type);
 758         bt_put(float_type);
 759         bt_put(enum_type);
 760         bt_put(enum_type_unsigned);
 761         bt_put(returned_type);
 762         bt_put(event_context_type);
 763         bt_put(integer_field);
 764         bt_put(float_field);
 765         bt_put(enum_field);
 766         bt_put(enum_field_unsigned);
 767         bt_put(enum_container_field);
 768         bt_put(enum_container_field_unsigned);
 769         bt_put(packet_context);
 770         bt_put(packet_context_field);
 771         bt_put(stream_event_context);
 772         bt_put(stream_event_context_field);
 773         bt_put(event_context);
 774         bt_put(event_context_field);
 775         bt_put(event_payload_type);
 776         bt_put(ep_integer_field_type);
 777         bt_put(ep_enum_field_type);
 778         bt_put(ep_enum_field_unsigned_type);
 779 }
 780
 781 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 782                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 783 {
 784         struct event_class_attrs_counts {
 785                 int id;
 786                 int name;
 787                 int loglevel;
 788                 int modelemfuri;
 789                 int unknown;
 790         } attrs_count;
 791
 792         int i;
 793         int ret;
 794         int64_t int64_value;
 795         struct event_class_attrs_counts ;
 796         const char *complex_test_event_string = "Complex Test Event";
 797         const char *test_string_1 = "Test ";
 798         const char *test_string_2 = "string ";
 799         const char *test_string_3 = "abcdefghi";
 800         const char *test_string_4 = "abcd\0efg\0hi";
 801         const char *test_string_cat = "Test string abcdeabcd";
 802         struct bt_ctf_field_type *uint_35_type =
 803                 bt_ctf_field_type_integer_create(35);
 804         struct bt_ctf_field_type *int_16_type =
 805                 bt_ctf_field_type_integer_create(16);
 806         struct bt_ctf_field_type *uint_3_type =
 807                 bt_ctf_field_type_integer_create(3);
 808         struct bt_ctf_field_type *enum_variant_type =
 809                 bt_ctf_field_type_enumeration_create(uint_3_type);
 810         struct bt_ctf_field_type *variant_type =
 811                 bt_ctf_field_type_variant_create(enum_variant_type,
 812                         "variant_selector");
 813         struct bt_ctf_field_type *string_type =
 814                 bt_ctf_field_type_string_create();
 815         struct bt_ctf_field_type *sequence_type;
 816         struct bt_ctf_field_type *array_type;
 817         struct bt_ctf_field_type *inner_structure_type =
 818                 bt_ctf_field_type_structure_create();
 819         struct bt_ctf_field_type *complex_structure_type =
 820                 bt_ctf_field_type_structure_create();
 821         struct bt_ctf_field_type *ret_field_type;
 822         struct bt_ctf_event_class *event_class;
 823         struct bt_ctf_event *event;
 824         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 825                 *inner_structure_field, *complex_structure_field,
 826                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 827                 *variant_field, *an_array_field, *ret_field;
 828         uint64_t ret_unsigned_int;
 829         int64_t ret_signed_int;
 830         const char *ret_string;
 831         struct bt_ctf_stream_class *ret_stream_class;
 832         struct bt_ctf_event_class *ret_event_class;
 833         struct bt_ctf_field *packet_context, *packet_context_field;
 834         struct bt_value *obj;
 835
 836         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 837                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 838         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 839                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 840         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 841                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 842         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 843                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 844         bt_ctf_field_type_set_alignment(int_16_type, 32);
 845         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 846         bt_ctf_field_type_integer_set_base(uint_35_type,
 847                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 848
 849         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 850         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 851                 "seq_len");
 852
 853         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 854                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 855         ret_field_type = bt_ctf_field_type_array_get_element_type(
 856                 array_type);
 857         ok(ret_field_type == int_16_type,
 858                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 859         bt_put(ret_field_type);
 860
 861         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 862                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 863         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 864                 "bt_ctf_field_type_array_get_length returns the correct length");
 865
 866         bt_ctf_field_type_structure_add_field(inner_structure_type,
 867                 uint_35_type, "seq_len");
 868         bt_ctf_field_type_structure_add_field(inner_structure_type,
 869                 sequence_type, "a_sequence");
 870         bt_ctf_field_type_structure_add_field(inner_structure_type,
 871                 array_type, "an_array");
 872
 873         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 874                 "UINT3_TYPE", 0, 0);
 875         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 876                 "INT16_TYPE", 1, 1);
 877         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 878                 "UINT35_TYPE", 2, 7);
 879
 880         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 881                 "INT16_TYPE") < 0,
 882                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 883         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 884                 enum_variant_type, NULL) < 0,
 885                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 886         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 887                 enum_variant_type, "INT16_TYPE") == 1,
 888                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 889
 890         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 891                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 892         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 893                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 894         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 895                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 896
 897         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 898                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 899         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 900                 "UINT3_TYPE") == 0, "Add a field to a variant");
 901         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 902                 "INT16_TYPE");
 903         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 904                 "UINT35_TYPE");
 905
 906         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 907                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 908         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 909         ok(ret_field_type == enum_variant_type,
 910                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 911         bt_put(ret_field_type);
 912
 913         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 914                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 915         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 916         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 917                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 918         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 919                 "INT16_TYPE") == NULL,
 920                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 921         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 922                 NULL) == NULL,
 923                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 924         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 925                 variant_type, "INT16_TYPE");
 926         ok(ret_field_type == int_16_type,
 927                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 928         bt_put(ret_field_type);
 929
 930         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 931                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 932         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 933                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 934
 935         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 936                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 937         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 938                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 939         bt_put(ret_field_type);
 940         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 941                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 942         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 943                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 944         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 945                 "bt_ctf_field_type_variant_get_field returns a field");
 946         ok(!strcmp("INT16_TYPE", ret_string),
 947                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 948         ok(ret_field_type == int_16_type,
 949                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 950         bt_put(ret_field_type);
 951
 952         bt_ctf_field_type_structure_add_field(complex_structure_type,
 953                 enum_variant_type, "variant_selector");
 954         bt_ctf_field_type_structure_add_field(complex_structure_type,
 955                 string_type, "a_string");
 956         bt_ctf_field_type_structure_add_field(complex_structure_type,
 957                 variant_type, "variant_value");
 958         bt_ctf_field_type_structure_add_field(complex_structure_type,
 959                 inner_structure_type, "inner_structure");
 960
 961         ok(bt_ctf_event_class_create("clock") == NULL,
 962                 "Reject creation of an event class with an illegal name");
 963         event_class = bt_ctf_event_class_create(complex_test_event_string);
 964         ok(event_class, "Create an event class");
 965         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 966                 "Reject addition of a field with an empty name to an event");
 967         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 968                 "Reject addition of a field with a NULL type to an event");
 969         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 970                 "int"),
 971                 "Reject addition of a type with an illegal name to an event");
 972         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 973                 "uint_35") == 0,
 974                 "Add field of type unsigned integer to an event");
 975         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 976                 "int_16") == 0, "Add field of type signed integer to an event");
 977         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 978                 "complex_structure") == 0,
 979                 "Add composite structure to an event");
 980
 981         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 982                 "bt_ctf_event_class_get_name handles NULL correctly");
 983         ret_string = bt_ctf_event_class_get_name(event_class);
 984         ok(!strcmp(ret_string, complex_test_event_string),
 985                 "bt_ctf_event_class_get_name returns a correct name");
 986         ok(bt_ctf_event_class_get_id(event_class) < 0,
 987                 "bt_ctf_event_class_get_id returns a negative value when not set");
 988         ok(bt_ctf_event_class_get_id(NULL) < 0,
 989                 "bt_ctf_event_class_get_id handles NULL correctly");
 990         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 991                 "bt_ctf_event_class_set_id handles NULL correctly");
 992         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 993                 "Set an event class' id");
 994         ok(bt_ctf_event_class_get_id(event_class) == 42,
 995                 "bt_ctf_event_class_get_id returns the correct value");
 996
 997         /* Test event class attributes */
 998         obj = bt_value_integer_create_init(15);
 999         assert(obj);
1000         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
1001                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
1002         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
1003                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
1004         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
1005                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
1006         assert(!bt_value_integer_set(obj, -3));
1007         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
1008                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
1009         assert(!bt_value_integer_set(obj, 11));
1010         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1011         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
1012                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
1013         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
1014         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
1015         ok(ret,
1016                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
1017         BT_PUT(obj);
1018
1019         obj = bt_value_integer_create_init(5);
1020         assert(obj);
1021         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
1022                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
1023         BT_PUT(obj);
1024         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
1025                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
1026         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
1027                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
1028         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
1029                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
1030         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
1031                 "loglevel");
1032         int64_value = 0;
1033         ret = bt_value_integer_get(obj, &int64_value);
1034         ok(obj && !ret && int64_value == 5,
1035                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
1036         BT_PUT(obj);
1037
1038         obj = bt_value_string_create_init("nu name");
1039         assert(obj);
1040         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1041         ret_string = bt_ctf_event_class_get_name(event_class);
1042         ok(!strcmp(ret_string, "nu name"),
1043                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1044         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1045         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1046         ok(ret,
1047                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1048         BT_PUT(obj);
1049         obj = bt_value_string_create_init("http://kernel.org/");
1050         assert(obj);
1051         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1052         BT_PUT(obj);
1053
1054         ok(bt_ctf_event_class_get_attribute_count(NULL),
1055                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1056         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1057                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1058         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1059                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1060         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1061                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1062         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1063                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1064         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1065                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1066
1067         memset(&attrs_count, 0, sizeof(attrs_count));
1068
1069         for (i = 0; i < 4; ++i) {
1070                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1071                         i);
1072                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1073                 assert(ret_string && obj);
1074
1075                 if (!strcmp(ret_string, "id")) {
1076                         attrs_count.id++;
1077                         ok(bt_value_is_integer(obj),
1078                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1079                                 ret_string);
1080                 } else if (!strcmp(ret_string, "name")) {
1081                         attrs_count.name++;
1082                         ok(bt_value_is_string(obj),
1083                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1084                                 ret_string);
1085                 } else if (!strcmp(ret_string, "loglevel")) {
1086                         attrs_count.loglevel++;
1087                         ok(bt_value_is_integer(obj),
1088                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1089                                 ret_string);
1090                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1091                         attrs_count.modelemfuri++;
1092                         ok(bt_value_is_string(obj),
1093                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1094                                 ret_string);
1095                 } else {
1096                         attrs_count.unknown++;
1097                 }
1098
1099                 BT_PUT(obj);
1100         }
1101
1102         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1103         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1104                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1105                 "event class has one instance of each known attribute");
1106
1107         /* Add event class to the stream class */
1108         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1109                 "Reject addition of NULL event class to a stream class");
1110         ok(bt_ctf_stream_class_add_event_class(stream_class,
1111                 event_class) == 0, "Add an event class to stream class");
1112
1113         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1114                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1115         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1116         ok(ret_stream_class == stream_class,
1117                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1118         bt_put(ret_stream_class);
1119
1120         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1121                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1122         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1123                 "bt_ctf_event_class_get_field_count returns a correct value");
1124
1125         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1126                 &ret_field_type, 0) < 0,
1127                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1128         ok(bt_ctf_event_class_get_field(event_class, NULL,
1129                 &ret_field_type, 0) == 0,
1130                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1131         bt_put(ret_field_type);
1132         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1133                 NULL, 0) == 0,
1134                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1135         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1136                 &ret_field_type, 42) < 0,
1137                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1138         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1139                 &ret_field_type, 0) == 0,
1140                 "bt_ctf_event_class_get_field returns a field");
1141         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1142                 "bt_ctf_event_class_get_field returns a correct field type");
1143         bt_put(ret_field_type);
1144         ok(!strcmp(ret_string, "uint_35"),
1145                 "bt_ctf_event_class_get_field returns a correct field name");
1146         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1147                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1148         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1149                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1150         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1151                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1152         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1153                 "complex_structure");
1154         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1155                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1156         bt_put(ret_field_type);
1157
1158         event = bt_ctf_event_create(event_class);
1159         ok(event, "Instanciate a complex event");
1160
1161         ok(bt_ctf_event_get_class(NULL) == NULL,
1162                 "bt_ctf_event_get_class handles NULL correctly");
1163         ret_event_class = bt_ctf_event_get_class(event);
1164         ok(ret_event_class == event_class,
1165                 "bt_ctf_event_get_class returns the correct event class");
1166         bt_put(ret_event_class);
1167
1168         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1169         if (!uint_35_field) {
1170                 printf("uint_35_field is NULL\n");
1171         }
1172
1173         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1174         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1175         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1176                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1177         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1178                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1179         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1180                 &ret_unsigned_int) == 0,
1181                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1182         ok(ret_unsigned_int == 0x0DDF00D,
1183                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1184         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1185                 &ret_signed_int) < 0,
1186                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1187         bt_put(uint_35_field);
1188
1189         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1190         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1191         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1192                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1193         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1194                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1195         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1196                 &ret_signed_int) == 0,
1197                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1198         ok(ret_signed_int == -12345,
1199                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1200         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1201                 &ret_unsigned_int) < 0,
1202                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1203         bt_put(int_16_field);
1204
1205         complex_structure_field = bt_ctf_event_get_payload(event,
1206                 "complex_structure");
1207
1208         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1209                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1210         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1211                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1212         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1213                 complex_structure_field, 3);
1214         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1215         bt_put(inner_structure_field);
1216         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1217                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1218         bt_put(ret_field_type);
1219
1220         inner_structure_field = bt_ctf_field_structure_get_field(
1221                 complex_structure_field, "inner_structure");
1222         a_string_field = bt_ctf_field_structure_get_field(
1223                 complex_structure_field, "a_string");
1224         enum_variant_field = bt_ctf_field_structure_get_field(
1225                 complex_structure_field, "variant_selector");
1226         variant_field = bt_ctf_field_structure_get_field(
1227                 complex_structure_field, "variant_value");
1228         uint_35_field = bt_ctf_field_structure_get_field(
1229                 inner_structure_field, "seq_len");
1230         a_sequence_field = bt_ctf_field_structure_get_field(
1231                 inner_structure_field, "a_sequence");
1232         an_array_field = bt_ctf_field_structure_get_field(
1233                 inner_structure_field, "an_array");
1234
1235         enum_container_field = bt_ctf_field_enumeration_get_container(
1236                 enum_variant_field);
1237         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1238         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1239                 enum_variant_field);
1240         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1241         bt_put(int_16_field);
1242         ok(!bt_ctf_field_string_get_value(a_string_field),
1243                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1244         bt_ctf_field_string_set_value(a_string_field,
1245                 test_string_1);
1246         ok(!bt_ctf_field_string_get_value(NULL),
1247                 "bt_ctf_field_string_get_value correctly handles NULL");
1248         ok(bt_ctf_field_string_append(NULL, "yeah"),
1249                 "bt_ctf_field_string_append correctly handles a NULL string field");
1250         ok(bt_ctf_field_string_append(a_string_field, NULL),
1251                 "bt_ctf_field_string_append correctly handles a NULL string value");
1252         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1253                 "bt_ctf_field_string_append succeeds");
1254         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1255                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1256         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1257                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1258         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1259                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1260         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1261                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1262         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1263                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1264         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1265                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1266
1267         ret_string = bt_ctf_field_string_get_value(a_string_field);
1268         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1269         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1270                 "bt_ctf_field_string_get_value returns a correct value");
1271         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1272                 SEQUENCE_TEST_LENGTH);
1273
1274         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1275                 enum_container_field) == NULL,
1276                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1277         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1278                 NULL) == NULL,
1279                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1280         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1281                 variant_type, enum_variant_field);
1282         ok(ret_field_type == int_16_type,
1283                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1284
1285         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1286                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1287         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1288                 uint_35_field) == 0, "Set a sequence field's length");
1289         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1290         ok(ret_field == uint_35_field,
1291                 "bt_ctf_field_sequence_get_length returns the correct length field");
1292         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1293                 "bt_ctf_field_sequence_get_length properly handles NULL");
1294
1295         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1296                 int_16_field = bt_ctf_field_sequence_get_field(
1297                         a_sequence_field, i);
1298                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1299                 bt_put(int_16_field);
1300         }
1301
1302         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1303                 int_16_field = bt_ctf_field_array_get_field(
1304                         an_array_field, i);
1305                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1306                 bt_put(int_16_field);
1307         }
1308
1309         bt_ctf_clock_set_time(clock, ++current_time);
1310         ok(bt_ctf_stream_append_event(stream, event) == 0,
1311                 "Append a complex event to a stream");
1312
1313         /*
1314          * Populate the custom packet context field with a dummy value
1315          * otherwise flush will fail.
1316          */
1317         packet_context = bt_ctf_stream_get_packet_context(stream);
1318         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1319                 "custom_packet_context_field");
1320         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1321
1322         ok(bt_ctf_stream_flush(stream) == 0,
1323                 "Flush a stream containing a complex event");
1324
1325         bt_put(uint_35_field);
1326         bt_put(a_string_field);
1327         bt_put(inner_structure_field);
1328         bt_put(complex_structure_field);
1329         bt_put(a_sequence_field);
1330         bt_put(an_array_field);
1331         bt_put(enum_variant_field);
1332         bt_put(enum_container_field);
1333         bt_put(variant_field);
1334         bt_put(ret_field);
1335         bt_put(packet_context_field);
1336         bt_put(packet_context);
1337         bt_put(uint_35_type);
1338         bt_put(int_16_type);
1339         bt_put(string_type);
1340         bt_put(sequence_type);
1341         bt_put(array_type);
1342         bt_put(inner_structure_type);
1343         bt_put(complex_structure_type);
1344         bt_put(uint_3_type);
1345         bt_put(enum_variant_type);
1346         bt_put(variant_type);
1347         bt_put(ret_field_type);
1348         bt_put(event_class);
1349         bt_put(event);
1350 }
1351
1352 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1353         struct bt_ctf_field_type *expected_type, const char *name)
1354 {
1355         struct bt_ctf_field_type *copy_type;
1356
1357         copy_type = bt_ctf_field_get_type(field);
1358         ok(copy_type == expected_type,
1359                 "bt_ctf_field_copy does not copy the type (%s)", name);
1360         bt_put(copy_type);
1361 }
1362
1363 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1364         struct bt_ctf_field *field_b, const char *name)
1365 {
1366         ok(field_a != field_b,
1367                 "bt_ctf_field_copy creates different pointers (%s)", name);
1368 }
1369
1370 void field_copy_tests()
1371 {
1372         struct bt_ctf_field_type *len_type = NULL;
1373         struct bt_ctf_field_type *fp_type = NULL;
1374         struct bt_ctf_field_type *s_type = NULL;
1375         struct bt_ctf_field_type *e_int_type = NULL;
1376         struct bt_ctf_field_type *e_type = NULL;
1377         struct bt_ctf_field_type *v_type = NULL;
1378         struct bt_ctf_field_type *v_label1_type = NULL;
1379         struct bt_ctf_field_type *v_label1_array_type = NULL;
1380         struct bt_ctf_field_type *v_label2_type = NULL;
1381         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1382         struct bt_ctf_field_type *strct_type = NULL;
1383         struct bt_ctf_field *len = NULL;
1384         struct bt_ctf_field *fp = NULL;
1385         struct bt_ctf_field *s = NULL;
1386         struct bt_ctf_field *e_int = NULL;
1387         struct bt_ctf_field *e = NULL;
1388         struct bt_ctf_field *v = NULL;
1389         struct bt_ctf_field *v_selected = NULL;
1390         struct bt_ctf_field *v_selected_cur = NULL;
1391         struct bt_ctf_field *v_selected_0 = NULL;
1392         struct bt_ctf_field *v_selected_1 = NULL;
1393         struct bt_ctf_field *v_selected_2 = NULL;
1394         struct bt_ctf_field *v_selected_3 = NULL;
1395         struct bt_ctf_field *v_selected_4 = NULL;
1396         struct bt_ctf_field *v_selected_5 = NULL;
1397         struct bt_ctf_field *v_selected_6 = NULL;
1398         struct bt_ctf_field *a = NULL;
1399         struct bt_ctf_field *a_0 = NULL;
1400         struct bt_ctf_field *a_1 = NULL;
1401         struct bt_ctf_field *a_2 = NULL;
1402         struct bt_ctf_field *a_3 = NULL;
1403         struct bt_ctf_field *a_4 = NULL;
1404         struct bt_ctf_field *strct = NULL;
1405         struct bt_ctf_field *len_copy = NULL;
1406         struct bt_ctf_field *fp_copy = NULL;
1407         struct bt_ctf_field *s_copy = NULL;
1408         struct bt_ctf_field *e_int_copy = NULL;
1409         struct bt_ctf_field *e_copy = NULL;
1410         struct bt_ctf_field *v_copy = NULL;
1411         struct bt_ctf_field *v_selected_copy = NULL;
1412         struct bt_ctf_field *v_selected_copy_len = NULL;
1413         struct bt_ctf_field *v_selected_0_copy = NULL;
1414         struct bt_ctf_field *v_selected_1_copy = NULL;
1415         struct bt_ctf_field *v_selected_2_copy = NULL;
1416         struct bt_ctf_field *v_selected_3_copy = NULL;
1417         struct bt_ctf_field *v_selected_4_copy = NULL;
1418         struct bt_ctf_field *v_selected_5_copy = NULL;
1419         struct bt_ctf_field *v_selected_6_copy = NULL;
1420         struct bt_ctf_field *a_copy = NULL;
1421         struct bt_ctf_field *a_0_copy = NULL;
1422         struct bt_ctf_field *a_1_copy = NULL;
1423         struct bt_ctf_field *a_2_copy = NULL;
1424         struct bt_ctf_field *a_3_copy = NULL;
1425         struct bt_ctf_field *a_4_copy = NULL;
1426         struct bt_ctf_field *strct_copy = NULL;
1427         uint64_t uint64_t_val;
1428         const char *str_val;
1429         double double_val;
1430         int ret;
1431
1432         /* create len type */
1433         len_type = bt_ctf_field_type_integer_create(32);
1434         assert(len_type);
1435
1436         /* create fp type */
1437         fp_type = bt_ctf_field_type_floating_point_create();
1438         assert(fp_type);
1439
1440         /* create s type */
1441         s_type = bt_ctf_field_type_string_create();
1442         assert(s_type);
1443
1444         /* create e_int type */
1445         e_int_type = bt_ctf_field_type_integer_create(8);
1446         assert(e_int_type);
1447
1448         /* create e type */
1449         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1450         assert(e_type);
1451         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1452                 10, 15);
1453         assert(!ret);
1454         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1455                 23, 23);
1456         assert(!ret);
1457
1458         /* create v_label1 type */
1459         v_label1_type = bt_ctf_field_type_string_create();
1460         assert(v_label1_type);
1461
1462         /* create v_label1_array type */
1463         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1464         assert(v_label1_array_type);
1465
1466         /* create v_label2 type */
1467         v_label2_type = bt_ctf_field_type_integer_create(16);
1468         assert(v_label2_type);
1469
1470         /* create v_label2_seq type */
1471         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1472                 "len");
1473         assert(v_label2_seq_type);
1474
1475         /* create v type */
1476         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1477         assert(v_type);
1478         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1479                 "LABEL1");
1480         assert(!ret);
1481         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1482                 "LABEL2");
1483         assert(!ret);
1484
1485         /* create strct type */
1486         strct_type = bt_ctf_field_type_structure_create();
1487         assert(strct_type);
1488         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1489                 "len");
1490         assert(!ret);
1491         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1492         assert(!ret);
1493         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1494         assert(!ret);
1495         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1496         assert(!ret);
1497         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1498         assert(!ret);
1499         ret = bt_ctf_field_type_structure_add_field(strct_type,
1500                 v_label1_array_type, "a");
1501         assert(!ret);
1502
1503         /* create strct */
1504         strct = bt_ctf_field_create(strct_type);
1505         assert(strct);
1506
1507         /* get len field */
1508         len = bt_ctf_field_structure_get_field(strct, "len");
1509         assert(len);
1510
1511         /* get fp field */
1512         fp = bt_ctf_field_structure_get_field(strct, "fp");
1513         assert(fp);
1514
1515         /* get s field */
1516         s = bt_ctf_field_structure_get_field(strct, "s");
1517         assert(s);
1518
1519         /* get e field */
1520         e = bt_ctf_field_structure_get_field(strct, "e");
1521         assert(e);
1522
1523         /* get e_int (underlying integer) */
1524         e_int = bt_ctf_field_enumeration_get_container(e);
1525         assert(e_int);
1526
1527         /* get v field */
1528         v = bt_ctf_field_structure_get_field(strct, "v");
1529         assert(v);
1530
1531         /* get a field */
1532         a = bt_ctf_field_structure_get_field(strct, "a");
1533         assert(a);
1534
1535         /* set len field */
1536         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1537         assert(!ret);
1538
1539         /* set fp field */
1540         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1541         assert(!ret);
1542
1543         /* set s field */
1544         ret = bt_ctf_field_string_set_value(s, "btbt");
1545         assert(!ret);
1546
1547         /* set e field (LABEL2) */
1548         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1549         assert(!ret);
1550
1551         /* set v field */
1552         v_selected = bt_ctf_field_variant_get_field(v, e);
1553         assert(v_selected);
1554         ok(!bt_ctf_field_variant_get_current_field(NULL),
1555                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1556         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1557         ok(v_selected_cur == v_selected,
1558                 "bt_ctf_field_variant_get_current_field returns the current field");
1559         bt_put(v_selected_cur);
1560
1561         /* set selected v field */
1562         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1563         assert(!ret);
1564         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1565         assert(v_selected_0);
1566         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1567         assert(!ret);
1568         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1569         assert(v_selected_1);
1570         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1571         assert(!ret);
1572         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1573         assert(v_selected_2);
1574         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1575         assert(!ret);
1576         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1577         assert(v_selected_3);
1578         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1579         assert(!ret);
1580         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1581         assert(v_selected_4);
1582         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1583         assert(!ret);
1584         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1585         assert(v_selected_5);
1586         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1587         assert(!ret);
1588         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1589         assert(v_selected_6);
1590         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1591         assert(!ret);
1592
1593         /* set a field */
1594         a_0 = bt_ctf_field_array_get_field(a, 0);
1595         assert(a_0);
1596         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1597         assert(!ret);
1598         a_1 = bt_ctf_field_array_get_field(a, 1);
1599         assert(a_1);
1600         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1601         assert(!ret);
1602         a_2 = bt_ctf_field_array_get_field(a, 2);
1603         assert(a_2);
1604         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1605         assert(!ret);
1606         a_3 = bt_ctf_field_array_get_field(a, 3);
1607         assert(a_3);
1608         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1609         assert(!ret);
1610         a_4 = bt_ctf_field_array_get_field(a, 4);
1611         assert(a_4);
1612         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1613         assert(!ret);
1614
1615         /* create copy of strct */
1616         ok(!bt_ctf_field_copy(NULL),
1617                 "bt_ctf_field_copy handles NULL correctly");
1618         strct_copy = bt_ctf_field_copy(strct);
1619         ok(strct_copy,
1620                 "bt_ctf_field_copy returns a valid pointer");
1621
1622         /* get all copied fields */
1623         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1624         assert(len_copy);
1625         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1626         assert(fp_copy);
1627         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1628         assert(s_copy);
1629         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1630         assert(e_copy);
1631         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1632         assert(e_int_copy);
1633         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1634         assert(v_copy);
1635         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1636         assert(v_selected_copy);
1637         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1638         assert(v_selected_0_copy);
1639         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1640         assert(v_selected_1_copy);
1641         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1642         assert(v_selected_2_copy);
1643         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1644         assert(v_selected_3_copy);
1645         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1646         assert(v_selected_4_copy);
1647         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1648         assert(v_selected_5_copy);
1649         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1650         assert(v_selected_6_copy);
1651         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1652                 "sequence field copy is not too large");
1653         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1654         assert(a_copy);
1655         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1656         assert(a_0_copy);
1657         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1658         assert(a_1_copy);
1659         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1660         assert(a_2_copy);
1661         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1662         assert(a_3_copy);
1663         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1664         assert(a_4_copy);
1665         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1666                 "array field copy is not too large");
1667
1668         /* make sure copied fields are different pointers */
1669         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1670         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1671         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1672         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1673         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1674         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1675         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1676         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1677                 "v_selected");
1678         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1679                 "v_selected_0");
1680         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1681                 "v_selected_1");
1682         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1683                 "v_selected_2");
1684         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1685                 "v_selected_3");
1686         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1687                 "v_selected_4");
1688         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1689                 "v_selected_5");
1690         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1691                 "v_selected_6");
1692         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1693         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1694         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1695         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1696         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1697         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1698
1699         /* make sure copied fields share the same types */
1700         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1701         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1702         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1703         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1704         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1705         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1706         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1707                 "v_selected");
1708         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1709                 "v_selected_0");
1710         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1711                 "v_selected_1");
1712         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1713                 "v_selected_2");
1714         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1715                 "v_selected_3");
1716         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1717                 "v_selected_4");
1718         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1719                 "v_selected_5");
1720         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1721                 "v_selected_6");
1722         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1723         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1724         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1725         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1726         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1727         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1728
1729         /* validate len copy */
1730         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1731         assert(!ret);
1732         ok(uint64_t_val == 7,
1733                 "bt_ctf_field_copy creates a valid integer field copy");
1734
1735         /* validate fp copy */
1736         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1737         assert(!ret);
1738         ok(double_val == 3.14,
1739                 "bt_ctf_field_copy creates a valid floating point number field copy");
1740
1741         /* validate s copy */
1742         str_val = bt_ctf_field_string_get_value(s_copy);
1743         ok(str_val && !strcmp(str_val, "btbt"),
1744                 "bt_ctf_field_copy creates a valid string field copy");
1745
1746         /* validate e_int copy */
1747         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1748                 &uint64_t_val);
1749         assert(!ret);
1750         ok(uint64_t_val == 23,
1751                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1752
1753         /* validate e copy */
1754         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1755         ok(str_val && !strcmp(str_val, "LABEL2"),
1756                 "bt_ctf_field_copy creates a valid enum field copy");
1757
1758         /* validate v_selected copy */
1759         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1760         assert(v_selected_copy_len);
1761         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1762                 &uint64_t_val);
1763         assert(!ret);
1764         ok(uint64_t_val == 7,
1765                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1766         bt_put(v_selected_copy_len);
1767         v_selected_copy_len = NULL;
1768
1769         /* validate v_selected copy fields */
1770         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1771                 &uint64_t_val);
1772         assert(!ret);
1773         ok(uint64_t_val == 7,
1774                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1775         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1776                 &uint64_t_val);
1777         assert(!ret);
1778         ok(uint64_t_val == 6,
1779                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1780         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1781                 &uint64_t_val);
1782         assert(!ret);
1783         ok(uint64_t_val == 5,
1784                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1785         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1786                 &uint64_t_val);
1787         assert(!ret);
1788         ok(uint64_t_val == 4,
1789                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1790         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1791                 &uint64_t_val);
1792         assert(!ret);
1793         ok(uint64_t_val == 3,
1794                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1795         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1796                 &uint64_t_val);
1797         assert(!ret);
1798         ok(uint64_t_val == 2,
1799                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1800         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1801                 &uint64_t_val);
1802         assert(!ret);
1803         ok(uint64_t_val == 1,
1804                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1805
1806         /* validate a copy fields */
1807         str_val = bt_ctf_field_string_get_value(a_0_copy);
1808         ok(str_val && !strcmp(str_val, "a_0"),
1809                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1810         str_val = bt_ctf_field_string_get_value(a_1_copy);
1811         ok(str_val && !strcmp(str_val, "a_1"),
1812                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1813         str_val = bt_ctf_field_string_get_value(a_2_copy);
1814         ok(str_val && !strcmp(str_val, "a_2"),
1815                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1816         str_val = bt_ctf_field_string_get_value(a_3_copy);
1817         ok(str_val && !strcmp(str_val, "a_3"),
1818                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1819         str_val = bt_ctf_field_string_get_value(a_4_copy);
1820         ok(str_val && !strcmp(str_val, "a_4"),
1821                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1822
1823         /* put everything */
1824         bt_put(len_type);
1825         bt_put(fp_type);
1826         bt_put(s_type);
1827         bt_put(e_int_type);
1828         bt_put(e_type);
1829         bt_put(v_type);
1830         bt_put(v_label1_type);
1831         bt_put(v_label1_array_type);
1832         bt_put(v_label2_type);
1833         bt_put(v_label2_seq_type);
1834         bt_put(strct_type);
1835         bt_put(len);
1836         bt_put(fp);
1837         bt_put(s);
1838         bt_put(e_int);
1839         bt_put(e);
1840         bt_put(v);
1841         bt_put(v_selected);
1842         bt_put(v_selected_0);
1843         bt_put(v_selected_1);
1844         bt_put(v_selected_2);
1845         bt_put(v_selected_3);
1846         bt_put(v_selected_4);
1847         bt_put(v_selected_5);
1848         bt_put(v_selected_6);
1849         bt_put(a);
1850         bt_put(a_0);
1851         bt_put(a_1);
1852         bt_put(a_2);
1853         bt_put(a_3);
1854         bt_put(a_4);
1855         bt_put(strct);
1856         bt_put(len_copy);
1857         bt_put(fp_copy);
1858         bt_put(s_copy);
1859         bt_put(e_int_copy);
1860         bt_put(e_copy);
1861         bt_put(v_copy);
1862         bt_put(v_selected_copy);
1863         bt_put(v_selected_0_copy);
1864         bt_put(v_selected_1_copy);
1865         bt_put(v_selected_2_copy);
1866         bt_put(v_selected_3_copy);
1867         bt_put(v_selected_4_copy);
1868         bt_put(v_selected_5_copy);
1869         bt_put(v_selected_6_copy);
1870         bt_put(a_copy);
1871         bt_put(a_0_copy);
1872         bt_put(a_1_copy);
1873         bt_put(a_2_copy);
1874         bt_put(a_3_copy);
1875         bt_put(a_4_copy);
1876         bt_put(strct_copy);
1877 }
1878
1879 void type_field_tests()
1880 {
1881         struct bt_ctf_field *uint_12;
1882         struct bt_ctf_field *int_16;
1883         struct bt_ctf_field *string;
1884         struct bt_ctf_field *enumeration;
1885         struct bt_ctf_field_type *composite_structure_type;
1886         struct bt_ctf_field_type *structure_seq_type;
1887         struct bt_ctf_field_type *string_type;
1888         struct bt_ctf_field_type *sequence_type;
1889         struct bt_ctf_field_type *uint_8_type;
1890         struct bt_ctf_field_type *int_16_type;
1891         struct bt_ctf_field_type *uint_12_type =
1892                 bt_ctf_field_type_integer_create(12);
1893         struct bt_ctf_field_type *enumeration_type;
1894         struct bt_ctf_field_type *returned_type;
1895         const char *ret_string;
1896
1897         returned_type = bt_ctf_field_get_type(NULL);
1898         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1899
1900         ok(uint_12_type, "Create an unsigned integer type");
1901         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1902                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1903                 "Set integer type's base as binary");
1904         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1905                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1906                 "Set integer type's base as decimal");
1907         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1908                 BT_CTF_INTEGER_BASE_UNKNOWN),
1909                 "Reject integer type's base set as unknown");
1910         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1911                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1912                 "Set integer type's base as octal");
1913         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1914                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1915                 "Set integer type's base as hexadecimal");
1916         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1917                 "Reject unknown integer base value");
1918         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1919                 "Set integer type signedness to signed");
1920         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1921                 "Set integer type signedness to unsigned");
1922         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1923                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1924         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1925                 "bt_ctf_field_type_integer_get_size returns a correct value");
1926         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1927                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1928         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1929                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1930
1931         ok(bt_ctf_field_type_set_byte_order(NULL,
1932                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1933                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1934         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1935                 (enum bt_ctf_byte_order) 42) < 0,
1936                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1937         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1938                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1939                 "Set an integer's byte order to little endian");
1940         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1941                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1942                 "Set an integer's byte order to big endian");
1943         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1944                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1945                 "bt_ctf_field_type_get_byte_order returns a correct value");
1946         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1947                 BT_CTF_BYTE_ORDER_UNKNOWN,
1948                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1949
1950         ok(bt_ctf_field_type_get_type_id(NULL) ==
1951                 CTF_TYPE_UNKNOWN,
1952                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1953         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1954                 CTF_TYPE_INTEGER,
1955                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1956
1957         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1958                 BT_CTF_INTEGER_BASE_UNKNOWN,
1959                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1960         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1961                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1962                 "bt_ctf_field_type_integer_get_base returns a correct value");
1963
1964         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1965                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1966         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1967                 (enum ctf_string_encoding) 123) < 0,
1968                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1969         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1970                 CTF_STRING_UTF8) == 0,
1971                 "Set integer type encoding to UTF8");
1972         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1973                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1974         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1975                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1976
1977         int_16_type = bt_ctf_field_type_integer_create(16);
1978         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1979         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1980                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1981         uint_8_type = bt_ctf_field_type_integer_create(8);
1982         sequence_type =
1983                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1984         ok(sequence_type, "Create a sequence of int16_t type");
1985         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1986                 CTF_TYPE_SEQUENCE,
1987                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1988
1989         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1990                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1991         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1992                 sequence_type);
1993         ok(!strcmp(ret_string, "seq_len"),
1994                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1995         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1996                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1997         returned_type = bt_ctf_field_type_sequence_get_element_type(
1998                 sequence_type);
1999         ok(returned_type == int_16_type,
2000                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
2001         bt_put(returned_type);
2002
2003         string_type = bt_ctf_field_type_string_create();
2004         ok(string_type, "Create a string type");
2005         ok(bt_ctf_field_type_string_set_encoding(string_type,
2006                 CTF_STRING_NONE),
2007                 "Reject invalid \"None\" string encoding");
2008         ok(bt_ctf_field_type_string_set_encoding(string_type,
2009                 42),
2010                 "Reject invalid string encoding");
2011         ok(bt_ctf_field_type_string_set_encoding(string_type,
2012                 CTF_STRING_ASCII) == 0,
2013                 "Set string encoding to ASCII");
2014
2015         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
2016                 CTF_STRING_UNKNOWN,
2017                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
2018         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
2019                 CTF_STRING_ASCII,
2020                 "bt_ctf_field_type_string_get_encoding returns the correct value");
2021
2022         structure_seq_type = bt_ctf_field_type_structure_create();
2023         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
2024                 CTF_TYPE_STRUCT,
2025                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
2026         ok(structure_seq_type, "Create a structure type");
2027         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2028                 uint_8_type, "seq_len") == 0,
2029                 "Add a uint8_t type to a structure");
2030         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2031                 sequence_type, "a_sequence") == 0,
2032                 "Add a sequence type to a structure");
2033
2034         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2035                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2036         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2037                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2038
2039         ok(bt_ctf_field_type_structure_get_field(NULL,
2040                 &ret_string, &returned_type, 1) < 0,
2041                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2042         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2043                 NULL, &returned_type, 1) == 0,
2044                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2045         bt_put(returned_type);
2046         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2047                 &ret_string, NULL, 1) == 0,
2048                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2049         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2050                 &ret_string, &returned_type, 10) < 0,
2051                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2052         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2053                 &ret_string, &returned_type, 1) == 0,
2054                 "bt_ctf_field_type_structure_get_field returns a field");
2055         ok(!strcmp(ret_string, "a_sequence"),
2056                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2057         ok(returned_type == sequence_type,
2058                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2059         bt_put(returned_type);
2060
2061         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2062                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2063         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2064                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2065         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2066                 structure_seq_type, "a_sequence");
2067         ok(returned_type == sequence_type,
2068                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2069         bt_put(returned_type);
2070
2071         composite_structure_type = bt_ctf_field_type_structure_create();
2072         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2073                 string_type, "a_string") == 0,
2074                 "Add a string type to a structure");
2075         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2076                 structure_seq_type, "inner_structure") == 0,
2077                 "Add a structure type to a structure");
2078
2079         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2080                 NULL, "a_sequence") == NULL,
2081                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2082         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2083                 structure_seq_type, NULL) == NULL,
2084                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2085         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2086                 structure_seq_type, "a_sequence");
2087         ok(returned_type == sequence_type,
2088                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2089         bt_put(returned_type);
2090
2091         int_16 = bt_ctf_field_create(int_16_type);
2092         ok(int_16, "Instanciate a signed 16-bit integer");
2093         uint_12 = bt_ctf_field_create(uint_12_type);
2094         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2095         returned_type = bt_ctf_field_get_type(int_16);
2096         ok(returned_type == int_16_type,
2097                 "bt_ctf_field_get_type returns the correct type");
2098
2099         /* Can't modify types after instanciating them */
2100         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2101                 BT_CTF_INTEGER_BASE_DECIMAL),
2102                 "Check an integer type' base can't be modified after instanciation");
2103         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2104                 "Check an integer type's signedness can't be modified after instanciation");
2105
2106         /* Check signed property is checked */
2107         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2108                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2109         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2110                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2111
2112         /* Check overflows are properly tested for */
2113         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2114                 "Check -32768 is allowed for a signed 16-bit integer");
2115         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2116                 "Check 32767 is allowed for a signed 16-bit integer");
2117         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2118                 "Check 32768 is not allowed for a signed 16-bit integer");
2119         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2120                 "Check -32769 is not allowed for a signed 16-bit integer");
2121         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2122                 "Check -42 is allowed for a signed 16-bit integer");
2123
2124         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2125                 "Check 4095 is allowed for an unsigned 12-bit integer");
2126         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2127                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2128         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2129                 "Check 0 is allowed for an unsigned 12-bit integer");
2130
2131         string = bt_ctf_field_create(string_type);
2132         ok(string, "Instanciate a string field");
2133         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2134                 "Set a string's value");
2135
2136         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2137         ok(enumeration_type,
2138                 "Create an enumeration type with an unsigned 12-bit integer as container");
2139         enumeration = bt_ctf_field_create(enumeration_type);
2140         ok(!enumeration,
2141                 "Check enumeration types are validated before instantiation");
2142
2143         bt_put(string);
2144         bt_put(uint_12);
2145         bt_put(int_16);
2146         bt_put(enumeration);
2147         bt_put(composite_structure_type);
2148         bt_put(structure_seq_type);
2149         bt_put(string_type);
2150         bt_put(sequence_type);
2151         bt_put(uint_8_type);
2152         bt_put(int_16_type);
2153         bt_put(uint_12_type);
2154         bt_put(enumeration_type);
2155         bt_put(returned_type);
2156 }
2157
2158 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2159                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2160 {
2161         /*
2162          * Append enough events to force the underlying packet to be resized.
2163          * Also tests that a new event can be declared after a stream has been
2164          * instantiated and used/flushed.
2165          */
2166         int ret = 0;
2167         int i;
2168         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2169                 "Spammy_Event");
2170         struct bt_ctf_field_type *integer_type =
2171                 bt_ctf_field_type_integer_create(17);
2172         struct bt_ctf_field_type *string_type =
2173                 bt_ctf_field_type_string_create();
2174         struct bt_ctf_event *event = NULL;
2175         struct bt_ctf_field *ret_field = NULL;
2176         struct bt_ctf_field_type *ret_field_type = NULL;
2177         uint64_t ret_uint64;
2178         int events_appended = 0;
2179         struct bt_ctf_field *packet_context = NULL,
2180                 *packet_context_field = NULL, *event_context = NULL;
2181         struct bt_ctf_field_type *ep_field_1_type = NULL;
2182         struct bt_ctf_field_type *ep_a_string_type = NULL;
2183         struct bt_ctf_field_type *ep_type = NULL;
2184
2185         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2186                 "field_1");
2187         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2188                 "a_string");
2189         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2190         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2191         if (ret) {
2192                 goto end;
2193         }
2194
2195         /*
2196          * bt_ctf_stream_class_add_event_class() copies the field types
2197          * of event_class, so we retrieve the new ones to create the
2198          * appropriate fields.
2199          */
2200         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2201         assert(ep_type);
2202         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2203                 ep_type, "field_1");
2204         assert(ep_field_1_type);
2205         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2206                 ep_type, "a_string");
2207         assert(ep_a_string_type);
2208
2209         event = bt_ctf_event_create(event_class);
2210         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2211         ret_field_type = bt_ctf_field_get_type(ret_field);
2212         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2213                 "bt_ctf_event_get_payload_by_index returns a correct field");
2214         bt_put(ret_field_type);
2215         bt_put(ret_field);
2216
2217         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2218                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2219         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2220                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2221         bt_put(event);
2222
2223         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2224                 "bt_ctf_stream_get_event_context handles NULL correctly");
2225         event_context = bt_ctf_stream_get_event_context(stream);
2226         ok(event_context,
2227                 "bt_ctf_stream_get_event_context returns a stream event context");
2228         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2229                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2230         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2231                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2232         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2233                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2234         ret_field = bt_ctf_field_create(ep_field_1_type);
2235         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2236                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2237         bt_put(ret_field);
2238
2239         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2240                 event = bt_ctf_event_create(event_class);
2241                 struct bt_ctf_field *integer =
2242                         bt_ctf_field_create(ep_field_1_type);
2243                 struct bt_ctf_field *string =
2244                         bt_ctf_field_create(ep_a_string_type);
2245
2246                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2247                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2248                 ret |= bt_ctf_event_set_payload(event, "field_1",
2249                         integer);
2250                 bt_put(integer);
2251                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2252                 ret |= bt_ctf_event_set_payload(event, "a_string",
2253                         string);
2254                 bt_put(string);
2255
2256                 /* Populate stream event context */
2257                 integer = bt_ctf_field_structure_get_field(event_context,
2258                         "common_event_context");
2259                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2260                         i % 42);
2261                 bt_put(integer);
2262
2263                 ret |= bt_ctf_stream_append_event(stream, event);
2264                 bt_put(event);
2265
2266                 if (ret) {
2267                         break;
2268                 }
2269         }
2270
2271         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2272         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2273                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2274         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2275                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2276         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2277         ok(ret == 0 && ret_uint64 == 0,
2278                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2279         bt_ctf_stream_append_discarded_events(stream, 1000);
2280         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2281         ok(ret == 0 && ret_uint64 == 1000,
2282                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2283
2284 end:
2285         ok(events_appended, "Append 100 000 events to a stream");
2286
2287         /*
2288          * Populate the custom packet context field with a dummy value
2289          * otherwise flush will fail.
2290          */
2291         packet_context = bt_ctf_stream_get_packet_context(stream);
2292         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2293                 "custom_packet_context_field");
2294         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2295
2296         ok(bt_ctf_stream_flush(stream) == 0,
2297                 "Flush a stream that forces a packet resize");
2298         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2299         ok(ret == 0 && ret_uint64 == 1000,
2300                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2301         bt_put(integer_type);
2302         bt_put(string_type);
2303         bt_put(packet_context);
2304         bt_put(packet_context_field);
2305         bt_put(event_context);
2306         bt_put(event_class);
2307         bt_put(ep_field_1_type);
2308         bt_put(ep_a_string_type);
2309         bt_put(ep_type);
2310 }
2311
2312 void test_empty_stream(struct bt_ctf_writer *writer)
2313 {
2314         int ret = 0;
2315         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2316         struct bt_ctf_stream_class *stream_class = NULL;
2317         struct bt_ctf_stream *stream = NULL;
2318
2319         trace = bt_ctf_writer_get_trace(writer);
2320         if (!trace) {
2321                 diag("Failed to get trace from writer");
2322                 ret = -1;
2323                 goto end;
2324         }
2325
2326         stream_class = bt_ctf_stream_class_create("empty_stream");
2327         if (!stream_class) {
2328                 diag("Failed to create stream class");
2329                 ret = -1;
2330                 goto end;
2331         }
2332
2333         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2334                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2335         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2336                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2337
2338         stream = bt_ctf_writer_create_stream(writer, stream_class);
2339         if (!stream) {
2340                 diag("Failed to create writer stream");
2341                 ret = -1;
2342                 goto end;
2343         }
2344
2345         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2346         ok(ret_trace == trace,
2347                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2348 end:
2349         ok(ret == 0,
2350                 "Created a stream class with default attributes and an empty stream");
2351         bt_put(trace);
2352         bt_put(ret_trace);
2353         bt_put(stream);
2354         bt_put(stream_class);
2355 }
2356
2357 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2358 {
2359         int i, ret;
2360         struct bt_ctf_trace *trace = NULL;
2361         struct bt_ctf_clock *clock = NULL;
2362         struct bt_ctf_stream_class *stream_class = NULL;
2363         struct bt_ctf_stream *stream = NULL;
2364         struct bt_ctf_field_type *integer_type = NULL,
2365                 *sequence_type = NULL, *event_header_type = NULL;
2366         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2367                 *event_header = NULL, *packet_header = NULL;
2368         struct bt_ctf_event_class *event_class = NULL;
2369         struct bt_ctf_event *event = NULL;
2370
2371         trace = bt_ctf_writer_get_trace(writer);
2372         if (!trace) {
2373                 fail("Failed to get trace from writer");
2374                 goto end;
2375         }
2376
2377         clock = bt_ctf_trace_get_clock(trace, 0);
2378         if (!clock) {
2379                 fail("Failed to get clock from trace");
2380                 goto end;
2381         }
2382
2383         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2384         if (!stream_class) {
2385                 fail("Failed to create stream class");
2386                 goto end;
2387         }
2388
2389         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2390         if (ret) {
2391                 fail("Failed to set stream class clock");
2392                 goto end;
2393         }
2394
2395         /*
2396          * Customize event header to add an "seq_len" integer member
2397          * which will be used as the length of a sequence in an event of this
2398          * stream.
2399          */
2400         event_header_type = bt_ctf_stream_class_get_event_header_type(
2401                 stream_class);
2402         if (!event_header_type) {
2403                 fail("Failed to get event header type");
2404                 goto end;
2405         }
2406
2407         integer_type = bt_ctf_field_type_integer_create(13);
2408         if (!integer_type) {
2409                 fail("Failed to create length integer type");
2410                 goto end;
2411         }
2412
2413         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2414                 integer_type, "seq_len");
2415         if (ret) {
2416                 fail("Failed to add a new field to stream event header");
2417                 goto end;
2418         }
2419
2420         event_class = bt_ctf_event_class_create("sequence_event");
2421         if (!event_class) {
2422                 fail("Failed to create event class");
2423                 goto end;
2424         }
2425
2426         /*
2427          * This event's payload will contain a sequence which references
2428          * stream.event.header.seq_len as its length field.
2429          */
2430         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2431                 "stream.event.header.seq_len");
2432         if (!sequence_type) {
2433                 fail("Failed to create a sequence");
2434                 goto end;
2435         }
2436
2437         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2438                 "some_sequence");
2439         if (ret) {
2440                 fail("Failed to add a sequence to an event class");
2441                 goto end;
2442         }
2443
2444         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2445         if (ret) {
2446                 fail("Failed to add event class to stream class");
2447                 goto end;
2448         }
2449
2450         stream = bt_ctf_writer_create_stream(writer, stream_class);
2451         if (!stream) {
2452                 fail("Failed to create stream")
2453                 goto end;
2454         }
2455
2456         /*
2457          * We have defined a custom packet header field. We have to populate it
2458          * explicitly.
2459          */
2460         packet_header = bt_ctf_stream_get_packet_header(stream);
2461         if (!packet_header) {
2462                 fail("Failed to get stream packet header");
2463                 goto end;
2464         }
2465
2466         integer = bt_ctf_field_structure_get_field(packet_header,
2467                 "custom_trace_packet_header_field");
2468         if (!integer) {
2469                 fail("Failed to retrieve custom_trace_packet_header_field");
2470                 goto end;
2471         }
2472
2473         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2474         if (ret) {
2475                 fail("Failed to set custom_trace_packet_header_field value");
2476                 goto end;
2477         }
2478         bt_put(integer);
2479
2480         event = bt_ctf_event_create(event_class);
2481         if (!event) {
2482                 fail("Failed to create event");
2483                 goto end;
2484         }
2485
2486         event_header = bt_ctf_event_get_header(event);
2487         if (!event_header) {
2488                 fail("Failed to get event header");
2489                 goto end;
2490         }
2491
2492         integer = bt_ctf_field_structure_get_field(event_header,
2493                 "seq_len");
2494         if (!integer) {
2495                 fail("Failed to get seq_len field from event header");
2496                 goto end;
2497         }
2498
2499         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2500         if (ret) {
2501                 fail("Failed to set seq_len value in event header");
2502                 goto end;
2503         }
2504
2505         /* Populate both sequence integer fields */
2506         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2507         if (!sequence) {
2508                 fail("Failed to retrieve sequence from event");
2509                 goto end;
2510         }
2511
2512         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2513         if (ret) {
2514                 fail("Failed to set sequence length");
2515                 goto end;
2516         }
2517         bt_put(integer);
2518
2519         for (i = 0; i < 2; i++) {
2520                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2521                 if (ret) {
2522                         fail("Failed to retrieve sequence element");
2523                         goto end;
2524                 }
2525
2526                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2527                 if (ret) {
2528                         fail("Failed to set sequence element value");
2529                         goto end;
2530                 }
2531
2532                 bt_put(integer);
2533                 integer = NULL;
2534         }
2535
2536         ret = bt_ctf_stream_append_event(stream, event);
2537         if (ret) {
2538                 fail("Failed to append event to stream");
2539                 goto end;
2540         }
2541
2542         ret = bt_ctf_stream_flush(stream);
2543         if (ret) {
2544                 fail("Failed to flush custom_event_header stream");
2545         }
2546 end:
2547         bt_put(clock);
2548         bt_put(trace);
2549         bt_put(stream);
2550         bt_put(stream_class);
2551         bt_put(event_class);
2552         bt_put(event);
2553         bt_put(integer);
2554         bt_put(sequence);
2555         bt_put(event_header);
2556         bt_put(packet_header);
2557         bt_put(sequence_type);
2558         bt_put(integer_type);
2559         bt_put(event_header_type);
2560 }
2561
2562 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2563 {
2564         int ret = 0;
2565         struct bt_ctf_trace *trace = NULL;
2566         struct bt_ctf_clock *clock = NULL;
2567         struct bt_ctf_stream_class *stream_class = NULL;
2568         struct bt_ctf_stream *stream = NULL,
2569                 *ret_stream = NULL;
2570         struct bt_ctf_event_class *event_class = NULL;
2571         struct bt_ctf_event *event = NULL;
2572         struct bt_ctf_field_type *integer_type = NULL;
2573         struct bt_ctf_field *integer = NULL;
2574
2575         trace = bt_ctf_writer_get_trace(writer);
2576         if (!trace) {
2577                 diag("Failed to get trace from writer");
2578                 ret = -1;
2579                 goto end;
2580         }
2581
2582         clock = bt_ctf_trace_get_clock(trace, 0);
2583         if (!clock) {
2584                 diag("Failed to get clock from trace");
2585                 ret = -1;
2586                 goto end;
2587         }
2588
2589         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2590         if (!stream_class) {
2591                 diag("Failed to create stream class");
2592                 ret = -1;
2593                 goto end;
2594         }
2595
2596         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2597         if (ret) {
2598                 diag("Failed to set stream class clock");
2599                 goto end;
2600         }
2601
2602         event_class = bt_ctf_event_class_create("some_event_class_name");
2603         integer_type = bt_ctf_field_type_integer_create(32);
2604         if (!integer_type) {
2605                 diag("Failed to create integer field type");
2606                 ret = -1;
2607                 goto end;
2608         }
2609
2610         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2611                 "integer_field");
2612         if (ret) {
2613                 diag("Failed to add field to event class");
2614                 goto end;
2615         }
2616
2617         ret = bt_ctf_stream_class_add_event_class(stream_class,
2618                 event_class);
2619         if (ret) {
2620                 diag("Failed to add event class to stream class");
2621         }
2622
2623         event = bt_ctf_event_create(event_class);
2624         if (!event) {
2625                 diag("Failed to create event");
2626                 ret = -1;
2627                 goto end;
2628         }
2629
2630         integer = bt_ctf_event_get_payload_by_index(event, 0);
2631         if (!integer) {
2632                 diag("Failed to get integer field payload from event");
2633                 ret = -1;
2634                 goto end;
2635         }
2636
2637         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2638         if (ret) {
2639                 diag("Failed to set integer field value");
2640                 goto end;
2641         }
2642
2643         stream = bt_ctf_writer_create_stream(writer, stream_class);
2644         if (!stream) {
2645                 diag("Failed to create writer stream");
2646                 ret = -1;
2647                 goto end;
2648         }
2649
2650         ok(bt_ctf_event_get_stream(NULL) == NULL,
2651                 "bt_ctf_event_get_stream handles NULL correctly");
2652         ok(bt_ctf_event_get_stream(event) == NULL,
2653                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2654
2655         ret = bt_ctf_stream_append_event(stream, event);
2656         if (ret) {
2657                 diag("Failed to append event to stream");
2658                 goto end;
2659         }
2660
2661         ret_stream = bt_ctf_event_get_stream(event);
2662         ok(ret_stream == stream,
2663                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2664 end:
2665         ok(ret == 0,
2666                 "Create an event before instanciating its associated stream");
2667         bt_put(trace);
2668         bt_put(stream);
2669         bt_put(ret_stream);
2670         bt_put(stream_class);
2671         bt_put(event_class);
2672         bt_put(event);
2673         bt_put(integer_type);
2674         bt_put(integer);
2675         bt_put(clock);
2676 }
2677
2678 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2679 {
2680         struct bt_ctf_event_class *event_class;
2681
2682         event_class = bt_ctf_event_class_create("Simple Event");
2683         assert(event_class);
2684         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2685                 "two event classes with the same name cannot cohabit within the same stream class");
2686         bt_put(event_class);
2687
2688         event_class = bt_ctf_event_class_create("different name, ok");
2689         assert(event_class);
2690         assert(!bt_ctf_event_class_set_id(event_class, 11));
2691         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2692                 "two event classes with the same ID cannot cohabit within the same stream class");
2693         bt_put(event_class);
2694 }
2695
2696 int main(int argc, char **argv)
2697 {
2698         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2699         char metadata_path[sizeof(trace_path) + 9];
2700         const char *clock_name = "test_clock";
2701         const char *clock_description = "This is a test clock";
2702         const char *returned_clock_name;
2703         const char *returned_clock_description;
2704         const uint64_t frequency = 1123456789;
2705         const int64_t offset_s = 1351530929945824323;
2706         const int64_t offset = 1234567;
2707         int64_t get_offset_s,
2708                 get_offset,
2709                 get_time;
2710         const uint64_t precision = 10;
2711         const int is_absolute = 0xFF;
2712         char *metadata_string;
2713         struct bt_ctf_writer *writer;
2714         struct utsname name;
2715         char hostname[BABELTRACE_HOST_NAME_MAX];
2716         struct bt_ctf_clock *clock, *ret_clock;
2717         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2718         struct bt_ctf_stream *stream1;
2719         const char *ret_string;
2720         const unsigned char *ret_uuid;
2721         unsigned char tmp_uuid[16] = { 0 };
2722         struct bt_ctf_field_type *packet_context_type,
2723                 *packet_context_field_type,
2724                 *packet_header_type,
2725                 *packet_header_field_type,
2726                 *integer_type,
2727                 *stream_event_context_type,
2728                 *ret_field_type,
2729                 *event_header_field_type;
2730         struct bt_ctf_field *packet_header, *packet_header_field;
2731         struct bt_ctf_trace *trace;
2732         int ret;
2733         int64_t ret_int64_t;
2734         struct bt_value *obj;
2735
2736         if (argc < 3) {
2737                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2738                 return -1;
2739         }
2740
2741         plan_tests(NR_TESTS);
2742
2743         if (!bt_mkdtemp(trace_path)) {
2744                 perror("# perror");
2745         }
2746
2747         strcpy(metadata_path, trace_path);
2748         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2749
2750         writer = bt_ctf_writer_create(trace_path);
2751         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2752
2753         ok(!bt_ctf_writer_get_trace(NULL),
2754                 "bt_ctf_writer_get_trace correctly handles NULL");
2755         trace = bt_ctf_writer_get_trace(writer);
2756         ok(trace,
2757                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2758         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2759                 "Set a trace's byte order to big endian");
2760         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2761                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2762
2763         /* Add environment context to the trace */
2764         ret = gethostname(hostname, sizeof(hostname));
2765         if (ret < 0) {
2766                 return ret;
2767         }
2768         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2769                 "Add host (%s) environment field to writer instance",
2770                 hostname);
2771         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2772                 "test_value"),
2773                 "bt_ctf_writer_add_environment_field error with NULL writer");
2774         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2775                 "test_value"),
2776                 "bt_ctf_writer_add_environment_field error with NULL field name");
2777         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2778                 NULL),
2779                 "bt_ctf_writer_add_environment_field error with NULL field value");
2780
2781         /* Test bt_ctf_trace_set_environment_field with an integer object */
2782         obj = bt_value_integer_create_init(23);
2783         assert(obj);
2784         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2785                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2786         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2787                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2788         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2789                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2790         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2791                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2792         BT_PUT(obj);
2793
2794         /* Test bt_ctf_trace_set_environment_field with a string object */
2795         obj = bt_value_string_create_init("the value");
2796         assert(obj);
2797         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2798                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2799         BT_PUT(obj);
2800
2801         /* Test bt_ctf_trace_set_environment_field_integer */
2802         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2803                 -194875),
2804                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2805         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2806                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2807         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2808                 -164973),
2809                 "bt_ctf_trace_set_environment_field_integer succeeds");
2810
2811         /* Test bt_ctf_trace_set_environment_field_string */
2812         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2813                 "yeah"),
2814                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2815         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2816                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2817         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2818                 NULL),
2819                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2820         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2821                 "oh yeah"),
2822                 "bt_ctf_trace_set_environment_field_string succeeds");
2823
2824         /* Test bt_ctf_trace_get_environment_field_count */
2825         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2826                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2827         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2828                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2829
2830         /* Test bt_ctf_trace_get_environment_field_name */
2831         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2832                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2833         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2834                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2835         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2836                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2837         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2838         ok(ret_string && !strcmp(ret_string, "host"),
2839                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2840         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2841         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2842                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2843         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2844         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2845                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2846         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2847         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2848                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2849         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2850         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2851                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2852
2853         /* Test bt_ctf_trace_get_environment_field_value */
2854         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2855                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2856         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2857                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2858         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2859                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2860         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2861         ret = bt_value_integer_get(obj, &ret_int64_t);
2862         ok(!ret && ret_int64_t == 23,
2863                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2864         BT_PUT(obj);
2865         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2866         ret = bt_value_string_get(obj, &ret_string);
2867         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2868                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2869         BT_PUT(obj);
2870
2871         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2872         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2873                 "test_env_str"),
2874                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2875         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2876                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2877         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2878                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2879         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2880                 "test_env_str");
2881         ret = bt_value_string_get(obj, &ret_string);
2882         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2883                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2884         BT_PUT(obj);
2885
2886         /* Test environment field replacement */
2887         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2888                 654321),
2889                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2890         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2891                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2892         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2893         ret = bt_value_integer_get(obj, &ret_int64_t);
2894         ok(!ret && ret_int64_t == 654321,
2895                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2896         BT_PUT(obj);
2897
2898         /* On Solaris, uname() can return any positive value on success */
2899         if (uname(&name) < 0) {
2900                 perror("uname");
2901                 return -1;
2902         }
2903
2904         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2905                 == 0, "Add sysname (%s) environment field to writer instance",
2906                 name.sysname);
2907         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2908                 name.nodename) == 0,
2909                 "Add nodename (%s) environment field to writer instance",
2910                 name.nodename);
2911         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2912                 == 0, "Add release (%s) environment field to writer instance",
2913                 name.release);
2914         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2915                 == 0, "Add version (%s) environment field to writer instance",
2916                 name.version);
2917         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2918                 == 0, "Add machine (%s) environment field to writer istance",
2919                 name.machine);
2920
2921         /* Define a clock and add it to the trace */
2922         ok(bt_ctf_clock_create("signed") == NULL,
2923                 "Illegal clock name rejected");
2924         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2925         clock = bt_ctf_clock_create(clock_name);
2926         ok(clock, "Clock created sucessfully");
2927         returned_clock_name = bt_ctf_clock_get_name(clock);
2928         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2929         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2930                 "Returned clock name is valid");
2931
2932         returned_clock_description = bt_ctf_clock_get_description(clock);
2933         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2934         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2935                 "Clock description set successfully");
2936
2937         returned_clock_description = bt_ctf_clock_get_description(clock);
2938         ok(returned_clock_description,
2939                 "bt_ctf_clock_get_description returns a description.");
2940         ok(returned_clock_description ?
2941                 !strcmp(returned_clock_description, clock_description) : 0,
2942                 "Returned clock description is valid");
2943
2944         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2945                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2946         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2947                 "Set clock frequency");
2948         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2949                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2950
2951         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2952                 "bt_ctf_clock_get_offset_s succeeds");
2953         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
2954                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2955         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2956                 "Set clock offset (seconds)");
2957         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2958                 "bt_ctf_clock_get_offset_s succeeds");
2959         ok(get_offset_s == offset_s,
2960                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2961
2962         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2963                 "bt_ctf_clock_get_offset succeeds");
2964         ok(get_offset == DEFAULT_CLOCK_OFFSET,
2965                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
2966         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2967         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2968                 "bt_ctf_clock_get_offset succeeds");
2969         ok(get_offset == offset,
2970                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
2971
2972         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2973                 "bt_ctf_clock_get_precision returns the correct default precision");
2974         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2975                 "Set clock precision");
2976         ok(bt_ctf_clock_get_precision(clock) == precision,
2977                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2978
2979         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2980                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2981         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2982                 "Set clock absolute property");
2983         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2984                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2985
2986         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2987                 "bt_ctf_clock_get_time succeeds");
2988         ok(get_time == DEFAULT_CLOCK_TIME,
2989                 "bt_ctf_clock_get_time returns the correct default time");
2990         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2991                 "Set clock time");
2992         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2993                 "bt_ctf_clock_get_time succeeds");
2994         ok(get_time == current_time,
2995                 "bt_ctf_clock_get_time returns the correct time once it is set");
2996
2997         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2998                 "Add clock to writer instance");
2999         ok(bt_ctf_writer_add_clock(writer, clock),
3000                 "Verify a clock can't be added twice to a writer instance");
3001
3002         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3003                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3004         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3005                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3006         ok(!bt_ctf_trace_get_clock(NULL, 0),
3007                 "bt_ctf_trace_get_clock correctly handles NULL");
3008         ok(!bt_ctf_trace_get_clock(trace, -1),
3009                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3010         ok(!bt_ctf_trace_get_clock(trace, 1),
3011                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3012         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3013         ok(ret_clock == clock,
3014                 "bt_ctf_trace_get_clock returns the right clock instance");
3015         bt_put(ret_clock);
3016         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3017                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3018         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3019                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3020         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3021                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3022         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3023         ok(ret_clock == clock,
3024                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3025         bt_put(ret_clock);
3026         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3027                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3028
3029         ok(!bt_ctf_clock_get_name(NULL),
3030                 "bt_ctf_clock_get_name correctly handles NULL");
3031         ok(!bt_ctf_clock_get_description(NULL),
3032                 "bt_ctf_clock_get_description correctly handles NULL");
3033         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3034                 "bt_ctf_clock_get_frequency correctly handles NULL");
3035         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3036                 "bt_ctf_clock_get_precision correctly handles NULL");
3037         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3038                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3039         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3040                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3041         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3042                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3043         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3044                 "bt_ctf_clock_get_offset correctly handles NULL output");
3045         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3046                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3047         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3048                 "bt_ctf_clock_get_time correctly handles NULL clock");
3049         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3050                 "bt_ctf_clock_get_time correctly handles NULL output");
3051
3052         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3053                 "bt_ctf_clock_set_description correctly handles NULL clock");
3054         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3055                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3056         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3057                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3058         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3059                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3060         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3061                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3062         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3063                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3064         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3065                 "bt_ctf_clock_set_time correctly handles NULL clock");
3066         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3067                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3068         ret_uuid = bt_ctf_clock_get_uuid(clock);
3069         ok(ret_uuid,
3070                 "bt_ctf_clock_get_uuid returns a UUID");
3071         if (ret_uuid) {
3072                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3073                 /* Slightly modify UUID */
3074                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3075         }
3076
3077         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3078                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3079         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3080                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3081         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3082                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3083         ret_uuid = bt_ctf_clock_get_uuid(clock);
3084         ok(ret_uuid,
3085                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3086         ok(uuid_match(ret_uuid, tmp_uuid),
3087                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3088
3089         /* Define a stream class */
3090         stream_class = bt_ctf_stream_class_create("test_stream");
3091
3092         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3093                 "bt_ctf_stream_class_get_name handles NULL correctly");
3094         ret_string = bt_ctf_stream_class_get_name(stream_class);
3095         ok(ret_string && !strcmp(ret_string, "test_stream"),
3096                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3097
3098         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3099                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3100         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3101                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3102
3103         ok(stream_class, "Create stream class");
3104         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3105                 "Set a stream class' clock");
3106         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3107         ok(ret_clock == clock,
3108                 "bt_ctf_stream_class_get_clock returns a correct clock");
3109         bt_put(ret_clock);
3110
3111         /* Test the event fields and event types APIs */
3112         type_field_tests();
3113
3114         /* Test fields copying */
3115         field_copy_tests();
3116
3117         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3118                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3119         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3120                 "bt_ctf_stream_class_get_id handles NULL correctly");
3121         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3122                 "bt_ctf_stream_class_set_id handles NULL correctly");
3123         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3124                 "Set an stream class' id");
3125         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3126                 "bt_ctf_stream_class_get_id returns the correct value");
3127
3128         /* Validate default event header fields */
3129         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3130                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3131         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3132                 stream_class);
3133         ok(ret_field_type,
3134                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3135         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
3136                 "Default event header type is a structure");
3137         event_header_field_type =
3138                 bt_ctf_field_type_structure_get_field_type_by_name(
3139                 ret_field_type, "id");
3140         ok(event_header_field_type,
3141                 "Default event header type contains an \"id\" field");
3142         ok(bt_ctf_field_type_get_type_id(
3143                 event_header_field_type) == CTF_TYPE_INTEGER,
3144                 "Default event header \"id\" field is an integer");
3145         bt_put(event_header_field_type);
3146         event_header_field_type =
3147                 bt_ctf_field_type_structure_get_field_type_by_name(
3148                 ret_field_type, "timestamp");
3149         ok(event_header_field_type,
3150                 "Default event header type contains a \"timestamp\" field");
3151         ok(bt_ctf_field_type_get_type_id(
3152                 event_header_field_type) == CTF_TYPE_INTEGER,
3153                 "Default event header \"timestamp\" field is an integer");
3154         bt_put(event_header_field_type);
3155         bt_put(ret_field_type);
3156
3157         /* Add a custom trace packet header field */
3158         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3159                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3160         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3161         ok(packet_header_type,
3162                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3163         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
3164                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3165         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3166                 packet_header_type, "magic");
3167         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3168         bt_put(ret_field_type);
3169         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3170                 packet_header_type, "uuid");
3171         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3172         bt_put(ret_field_type);
3173         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3174                 packet_header_type, "stream_id");
3175         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3176         bt_put(ret_field_type);
3177
3178         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3179         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3180                 packet_header_field_type, "custom_trace_packet_header_field"),
3181                 "Added a custom trace packet header field successfully");
3182
3183         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3184                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3185         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3186                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3187         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3188                 "Set a trace packet_header_type successfully");
3189
3190         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3191                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3192
3193         /* Add a custom field to the stream class' packet context */
3194         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3195         ok(packet_context_type,
3196                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3197         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
3198                 "Packet context is a structure");
3199
3200         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3201                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3202         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3203                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3204
3205         integer_type = bt_ctf_field_type_integer_create(32);
3206         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3207                 integer_type) < 0,
3208                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3209         /* Create a "uint5_t" equivalent custom packet context field */
3210         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3211
3212         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3213                 packet_context_field_type, "custom_packet_context_field");
3214         ok(ret == 0, "Packet context field added successfully");
3215
3216         /* Define a stream event context containing a my_integer field. */
3217         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3218                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3219         ok(bt_ctf_stream_class_get_event_context_type(
3220                 stream_class) == NULL,
3221                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3222         stream_event_context_type = bt_ctf_field_type_structure_create();
3223         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3224                 integer_type, "common_event_context");
3225
3226         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3227                 stream_event_context_type) < 0,
3228                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3229         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3230                 NULL) < 0,
3231                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3232         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3233                 integer_type) < 0,
3234                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3235
3236         ok(bt_ctf_stream_class_set_event_context_type(
3237                 stream_class, stream_event_context_type) == 0,
3238                 "Set a new stream event context type");
3239         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3240                 stream_class);
3241         ok(ret_field_type == stream_event_context_type,
3242                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3243         bt_put(ret_field_type);
3244
3245         /* Instantiate a stream and append events */
3246         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3247         ok(stream1, "Instanciate a stream class from writer");
3248
3249         ok(bt_ctf_stream_get_class(NULL) == NULL,
3250                 "bt_ctf_stream_get_class correctly handles NULL");
3251         ret_stream_class = bt_ctf_stream_get_class(stream1);
3252         ok(ret_stream_class,
3253                 "bt_ctf_stream_get_class returns a stream class");
3254         ok(ret_stream_class == stream_class,
3255                 "Returned stream class is of the correct type");
3256
3257         /*
3258          * Packet header, packet context, event header, and stream
3259          * event context types were copied for the resolving
3260          * process
3261          */
3262         BT_PUT(packet_header_type);
3263         BT_PUT(packet_context_type);
3264         BT_PUT(stream_event_context_type);
3265         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3266         assert(packet_header_type);
3267         packet_context_type =
3268                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3269         assert(packet_context_type);
3270         stream_event_context_type =
3271                 bt_ctf_stream_class_get_event_context_type(stream_class);
3272         assert(stream_event_context_type);
3273
3274         /*
3275          * Try to modify the packet context type after a stream has been
3276          * created.
3277          */
3278         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3279                 packet_header_field_type, "should_fail");
3280         ok(ret < 0,
3281                 "Trace packet header type can't be modified once a stream has been instanciated");
3282
3283         /*
3284          * Try to modify the packet context type after a stream has been
3285          * created.
3286          */
3287         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3288                 packet_context_field_type, "should_fail");
3289         ok(ret < 0,
3290                 "Packet context type can't be modified once a stream has been instanciated");
3291
3292         /*
3293          * Try to modify the stream event context type after a stream has been
3294          * created.
3295          */
3296         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3297                 integer_type, "should_fail");
3298         ok(ret < 0,
3299                 "Stream event context type can't be modified once a stream has been instanciated");
3300
3301         /* Should fail after instanciating a stream (frozen) */
3302         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3303                 "Changes to a stream class that was already instantiated fail");
3304
3305         /* Populate the custom packet header field only once for all tests */
3306         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3307                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3308         packet_header = bt_ctf_stream_get_packet_header(stream1);
3309         ok(packet_header,
3310                 "bt_ctf_stream_get_packet_header returns a packet header");
3311         ret_field_type = bt_ctf_field_get_type(packet_header);
3312         ok(ret_field_type == packet_header_type,
3313                 "Stream returns a packet header of the appropriate type");
3314         bt_put(ret_field_type);
3315         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3316                 "custom_trace_packet_header_field");
3317         ok(packet_header_field,
3318                 "Packet header structure contains a custom field with the appropriate name");
3319         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3320         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3321                 "Custom packet header field is of the expected type");
3322         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3323                 54321), "Set custom packet header value successfully");
3324         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3325                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3326         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3327                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3328         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3329                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3330         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3331                 "Successfully set a stream's packet header");
3332
3333         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3334                 "Add environment field to writer after stream creation");
3335
3336         test_instanciate_event_before_stream(writer);
3337
3338         append_simple_event(stream_class, stream1, clock);
3339
3340         packet_resize_test(stream_class, stream1, clock);
3341
3342         append_complex_event(stream_class, stream1, clock);
3343
3344         append_existing_event_class(stream_class);
3345
3346         test_empty_stream(writer);
3347
3348         test_custom_event_header_stream(writer);
3349
3350         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3351         ok(metadata_string, "Get metadata string");
3352
3353         bt_ctf_writer_flush_metadata(writer);
3354         validate_metadata(argv[1], metadata_path);
3355         validate_trace(argv[2], trace_path);
3356
3357         bt_put(clock);
3358         bt_put(ret_stream_class);
3359         bt_put(writer);
3360         bt_put(stream1);
3361         bt_put(packet_context_type);
3362         bt_put(packet_context_field_type);
3363         bt_put(integer_type);
3364         bt_put(stream_event_context_type);
3365         bt_put(ret_field_type);
3366         bt_put(packet_header_type);
3367         bt_put(packet_header_field_type);
3368         bt_put(packet_header);
3369         bt_put(packet_header_field);
3370         bt_put(trace);
3371         free(metadata_string);
3372         bt_put(stream_class);
3373
3374         /* Remove all trace files and delete temporary trace directory */
3375         DIR *trace_dir = opendir(trace_path);
3376         if (!trace_dir) {
3377                 perror("# opendir");
3378                 return -1;
3379         }
3380
3381         struct dirent *entry;
3382         while ((entry = readdir(trace_dir))) {
3383                 struct stat st;
3384                 char filename[PATH_MAX];
3385
3386                 if (snprintf(filename, sizeof(filename), "%s/%s",
3387                                         trace_path, entry->d_name) <= 0) {
3388                         continue;
3389                 }
3390
3391                 if (stat(entry->d_name, &st)) {
3392                         continue;
3393                 }
3394
3395                 if (S_ISREG(st.st_mode)) {
3396                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3397                 }
3398         }
3399
3400         rmdir(trace_path);
3401         closedir(trace_dir);
3402         return 0;
3403 }