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