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         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) < 0,
 889                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 890         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 891                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 892         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 893                 "bt_ctf_field_type_variant_get_field returns a field");
 894         ok(!strcmp("INT16_TYPE", ret_string),
 895                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 896         ok(ret_field_type == int_16_type,
 897                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 898         bt_ctf_field_type_put(ret_field_type);
 899
 900         bt_ctf_field_type_structure_add_field(complex_structure_type,
 901                 enum_variant_type, "variant_selector");
 902         bt_ctf_field_type_structure_add_field(complex_structure_type,
 903                 string_type, "a_string");
 904         bt_ctf_field_type_structure_add_field(complex_structure_type,
 905                 variant_type, "variant_value");
 906         bt_ctf_field_type_structure_add_field(complex_structure_type,
 907                 inner_structure_type, "inner_structure");
 908
 909         ok(bt_ctf_event_class_create("clock") == NULL,
 910                 "Reject creation of an event class with an illegal name");
 911         event_class = bt_ctf_event_class_create(complex_test_event_string);
 912         ok(event_class, "Create an event class");
 913         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 914                 "Reject addition of a field with an empty name to an event");
 915         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 916                 "Reject addition of a field with a NULL type to an event");
 917         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 918                 "int"),
 919                 "Reject addition of a type with an illegal name to an event");
 920         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 921                 "uint_35") == 0,
 922                 "Add field of type unsigned integer to an event");
 923         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 924                 "int_16") == 0, "Add field of type signed integer to an event");
 925         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 926                 "complex_structure") == 0,
 927                 "Add composite structure to an event");
 928
 929         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 930                 "bt_ctf_event_class_get_name handles NULL correctly");
 931         ret_string = bt_ctf_event_class_get_name(event_class);
 932         ok(!strcmp(ret_string, complex_test_event_string),
 933                 "bt_ctf_event_class_get_name returns a correct name");
 934         ok(bt_ctf_event_class_get_id(event_class) < 0,
 935                 "bt_ctf_event_class_get_id returns a negative value when not set");
 936         ok(bt_ctf_event_class_get_id(NULL) < 0,
 937                 "bt_ctf_event_class_get_id handles NULL correctly");
 938         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 939                 "bt_ctf_event_class_set_id handles NULL correctly");
 940         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 941                 "Set an event class' id");
 942         ok(bt_ctf_event_class_get_id(event_class) == 42,
 943                 "bt_ctf_event_class_get_id returns the correct value");
 944
 945         /* Test event class attributes */
 946         assert(obj = bt_object_integer_create_init(15));
 947         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 948                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 949         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 950                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 951         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 952                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 953         assert(!bt_object_integer_set(obj, -3));
 954         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 955                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 956         assert(!bt_object_integer_set(obj, 11));
 957         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 958         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 959                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 960         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 961         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 962         ok(ret,
 963                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 964         BT_OBJECT_PUT(obj);
 965
 966         obj = bt_object_integer_create_init(5);
 967         assert(obj);
 968         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 969                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 970         BT_OBJECT_PUT(obj);
 971         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 972                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 973         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 974                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 975         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 976                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 977         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 978                 "loglevel");
 979         int64_value = 0;
 980         ret = bt_object_integer_get(obj, &int64_value);
 981         ok(obj && !ret && int64_value == 5,
 982                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 983         BT_OBJECT_PUT(obj);
 984
 985         assert(obj = bt_object_string_create_init("nu name"));
 986         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 987         ret_string = bt_ctf_event_class_get_name(event_class);
 988         ok(!strcmp(ret_string, "nu name"),
 989                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 990         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 991         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 992         ok(ret,
 993                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 994         BT_OBJECT_PUT(obj);
 995         obj = bt_object_string_create_init("http://kernel.org/");
 996         assert(obj);
 997         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 998         BT_OBJECT_PUT(obj);
 999
1000         ok(bt_ctf_event_class_get_attribute_count(NULL),
1001                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1002         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1003                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1004         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1005                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1006         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1007                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1008         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1009                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1010         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1011                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1012
1013         memset(&attrs_count, 0, sizeof(attrs_count));
1014
1015         for (i = 0; i < 4; ++i) {
1016                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1017                         i);
1018                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1019                 assert(ret_string && obj);
1020
1021                 if (!strcmp(ret_string, "id")) {
1022                         attrs_count.id++;
1023                         ok(bt_object_is_integer(obj),
1024                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1025                                 ret_string);
1026                 } else if (!strcmp(ret_string, "name")) {
1027                         attrs_count.name++;
1028                         ok(bt_object_is_string(obj),
1029                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1030                                 ret_string);
1031                 } else if (!strcmp(ret_string, "loglevel")) {
1032                         attrs_count.loglevel++;
1033                         ok(bt_object_is_integer(obj),
1034                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1035                                 ret_string);
1036                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1037                         attrs_count.modelemfuri++;
1038                         ok(bt_object_is_string(obj),
1039                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1040                                 ret_string);
1041                 } else {
1042                         attrs_count.unknown++;
1043                 }
1044
1045                 BT_OBJECT_PUT(obj);
1046         }
1047
1048         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1049         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1050                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1051                 "event class has one instance of each known attribute");
1052
1053         /* Add event class to the stream class */
1054         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1055                 "Reject addition of NULL event class to a stream class");
1056         ok(bt_ctf_stream_class_add_event_class(stream_class,
1057                 event_class) == 0, "Add an event class to stream class");
1058
1059         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1060                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1061         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1062         ok(ret_stream_class == stream_class,
1063                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1064         bt_ctf_stream_class_put(ret_stream_class);
1065
1066         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1067                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1068         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1069                 "bt_ctf_event_class_get_field_count returns a correct value");
1070
1071         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1072                 &ret_field_type, 0) < 0,
1073                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1074         ok(bt_ctf_event_class_get_field(event_class, NULL,
1075                 &ret_field_type, 0) == 0,
1076                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1077         bt_ctf_field_type_put(ret_field_type);
1078         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1079                 NULL, 0) == 0,
1080                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1081         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1082                 &ret_field_type, 42) < 0,
1083                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1084         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1085                 &ret_field_type, 0) == 0,
1086                 "bt_ctf_event_class_get_field returns a field");
1087         ok(ret_field_type == uint_35_type,
1088                 "bt_ctf_event_class_get_field returns a correct field type");
1089         bt_ctf_field_type_put(ret_field_type);
1090         ok(!strcmp(ret_string, "uint_35"),
1091                 "bt_ctf_event_class_get_field returns a correct field name");
1092         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1093                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1094         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1095                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1096         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1097                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1098         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1099                 "complex_structure");
1100         ok(ret_field_type == complex_structure_type,
1101                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1102         bt_ctf_field_type_put(ret_field_type);
1103
1104         event = bt_ctf_event_create(event_class);
1105         ok(event, "Instanciate a complex event");
1106
1107         ok(bt_ctf_event_get_class(NULL) == NULL,
1108                 "bt_ctf_event_get_class handles NULL correctly");
1109         ret_event_class = bt_ctf_event_get_class(event);
1110         ok(ret_event_class == event_class,
1111                 "bt_ctf_event_get_class returns the correct event class");
1112         bt_ctf_event_class_put(ret_event_class);
1113
1114         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1115         if (!uint_35_field) {
1116                 printf("uint_35_field is NULL\n");
1117         }
1118
1119         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1120         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1121         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1122                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1123         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1124                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1125         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1126                 &ret_unsigned_int) == 0,
1127                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1128         ok(ret_unsigned_int == 0x0DDF00D,
1129                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1130         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1131                 &ret_signed_int) < 0,
1132                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1133         bt_ctf_field_put(uint_35_field);
1134
1135         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1136         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1137         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1138                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1139         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1140                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1141         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1142                 &ret_signed_int) == 0,
1143                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1144         ok(ret_signed_int == -12345,
1145                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1146         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1147                 &ret_unsigned_int) < 0,
1148                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1149         bt_ctf_field_put(int_16_field);
1150
1151         complex_structure_field = bt_ctf_event_get_payload(event,
1152                 "complex_structure");
1153
1154         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1155                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1156         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1157                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1158         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1159                 complex_structure_field, 3);
1160         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1161         bt_ctf_field_put(inner_structure_field);
1162         ok(ret_field_type == inner_structure_type,
1163                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1164         bt_ctf_field_type_put(ret_field_type);
1165
1166         inner_structure_field = bt_ctf_field_structure_get_field(
1167                 complex_structure_field, "inner_structure");
1168         a_string_field = bt_ctf_field_structure_get_field(
1169                 complex_structure_field, "a_string");
1170         enum_variant_field = bt_ctf_field_structure_get_field(
1171                 complex_structure_field, "variant_selector");
1172         variant_field = bt_ctf_field_structure_get_field(
1173                 complex_structure_field, "variant_value");
1174         uint_35_field = bt_ctf_field_structure_get_field(
1175                 inner_structure_field, "seq_len");
1176         a_sequence_field = bt_ctf_field_structure_get_field(
1177                 inner_structure_field, "a_sequence");
1178         an_array_field = bt_ctf_field_structure_get_field(
1179                 inner_structure_field, "an_array");
1180
1181         enum_container_field = bt_ctf_field_enumeration_get_container(
1182                 enum_variant_field);
1183         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1184         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1185                 enum_variant_field);
1186         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1187         bt_ctf_field_put(int_16_field);
1188         ok(!bt_ctf_field_string_get_value(a_string_field),
1189                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1190         bt_ctf_field_string_set_value(a_string_field,
1191                 test_string_1);
1192         ok(!bt_ctf_field_string_get_value(NULL),
1193                 "bt_ctf_field_string_get_value correctly handles NULL");
1194         ok(bt_ctf_field_string_append(NULL, "yeah"),
1195                 "bt_ctf_field_string_append correctly handles a NULL string field");
1196         ok(bt_ctf_field_string_append(a_string_field, NULL),
1197                 "bt_ctf_field_string_append correctly handles a NULL string value");
1198         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1199                 "bt_ctf_field_string_append succeeds");
1200         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1201                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1202         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1203                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1204         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1205                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1206         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1207                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1208         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1209                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1210         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1211                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1212
1213         ret_string = bt_ctf_field_string_get_value(a_string_field);
1214         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1215         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1216                 "bt_ctf_field_string_get_value returns a correct value");
1217         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1218                 SEQUENCE_TEST_LENGTH);
1219
1220         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1221                 enum_container_field) == NULL,
1222                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1223         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1224                 NULL) == NULL,
1225                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1226         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1227                 variant_type, enum_variant_field);
1228         ok(ret_field_type == int_16_type,
1229                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1230
1231         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1232                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1233         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1234                 uint_35_field) == 0, "Set a sequence field's length");
1235         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1236         ok(ret_field == uint_35_field,
1237                 "bt_ctf_field_sequence_get_length returns the correct length field");
1238         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1239                 "bt_ctf_field_sequence_get_length properly handles NULL");
1240
1241         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1242                 int_16_field = bt_ctf_field_sequence_get_field(
1243                         a_sequence_field, i);
1244                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1245                 bt_ctf_field_put(int_16_field);
1246         }
1247
1248         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1249                 int_16_field = bt_ctf_field_array_get_field(
1250                         an_array_field, i);
1251                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1252                 bt_ctf_field_put(int_16_field);
1253         }
1254
1255         bt_ctf_clock_set_time(clock, ++current_time);
1256         ok(bt_ctf_stream_append_event(stream, event) == 0,
1257                 "Append a complex event to a stream");
1258
1259         /*
1260          * Populate the custom packet context field with a dummy value
1261          * otherwise flush will fail.
1262          */
1263         packet_context = bt_ctf_stream_get_packet_context(stream);
1264         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1265                 "custom_packet_context_field");
1266         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1267
1268         ok(bt_ctf_stream_flush(stream) == 0,
1269                 "Flush a stream containing a complex event");
1270
1271         bt_ctf_field_put(uint_35_field);
1272         bt_ctf_field_put(a_string_field);
1273         bt_ctf_field_put(inner_structure_field);
1274         bt_ctf_field_put(complex_structure_field);
1275         bt_ctf_field_put(a_sequence_field);
1276         bt_ctf_field_put(an_array_field);
1277         bt_ctf_field_put(enum_variant_field);
1278         bt_ctf_field_put(enum_container_field);
1279         bt_ctf_field_put(variant_field);
1280         bt_ctf_field_put(ret_field);
1281         bt_ctf_field_put(packet_context_field);
1282         bt_ctf_field_put(packet_context);
1283         bt_ctf_field_type_put(uint_35_type);
1284         bt_ctf_field_type_put(int_16_type);
1285         bt_ctf_field_type_put(string_type);
1286         bt_ctf_field_type_put(sequence_type);
1287         bt_ctf_field_type_put(array_type);
1288         bt_ctf_field_type_put(inner_structure_type);
1289         bt_ctf_field_type_put(complex_structure_type);
1290         bt_ctf_field_type_put(uint_3_type);
1291         bt_ctf_field_type_put(enum_variant_type);
1292         bt_ctf_field_type_put(variant_type);
1293         bt_ctf_field_type_put(ret_field_type);
1294         bt_ctf_event_class_put(event_class);
1295         bt_ctf_event_put(event);
1296 }
1297
1298 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1299         struct bt_ctf_field_type *expected_type, const char *name)
1300 {
1301         struct bt_ctf_field_type *copy_type;
1302
1303         copy_type = bt_ctf_field_get_type(field);
1304         ok(copy_type == expected_type,
1305                 "bt_ctf_field_copy does not copy the type (%s)", name);
1306         bt_ctf_field_type_put(copy_type);
1307 }
1308
1309 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1310         struct bt_ctf_field *field_b, const char *name)
1311 {
1312         ok(field_a != field_b,
1313                 "bt_ctf_field_copy creates different pointers (%s)", name);
1314 }
1315
1316 void field_copy_tests()
1317 {
1318         struct bt_ctf_field_type *len_type = NULL;
1319         struct bt_ctf_field_type *fp_type = NULL;
1320         struct bt_ctf_field_type *s_type = NULL;
1321         struct bt_ctf_field_type *e_int_type = NULL;
1322         struct bt_ctf_field_type *e_type = NULL;
1323         struct bt_ctf_field_type *v_type = NULL;
1324         struct bt_ctf_field_type *v_label1_type = NULL;
1325         struct bt_ctf_field_type *v_label1_array_type = NULL;
1326         struct bt_ctf_field_type *v_label2_type = NULL;
1327         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1328         struct bt_ctf_field_type *strct_type = NULL;
1329         struct bt_ctf_field *len = NULL;
1330         struct bt_ctf_field *fp = NULL;
1331         struct bt_ctf_field *s = NULL;
1332         struct bt_ctf_field *e_int = NULL;
1333         struct bt_ctf_field *e = NULL;
1334         struct bt_ctf_field *v = NULL;
1335         struct bt_ctf_field *v_selected = NULL;
1336         struct bt_ctf_field *v_selected_0 = NULL;
1337         struct bt_ctf_field *v_selected_1 = NULL;
1338         struct bt_ctf_field *v_selected_2 = NULL;
1339         struct bt_ctf_field *v_selected_3 = NULL;
1340         struct bt_ctf_field *v_selected_4 = NULL;
1341         struct bt_ctf_field *v_selected_5 = NULL;
1342         struct bt_ctf_field *v_selected_6 = NULL;
1343         struct bt_ctf_field *a = NULL;
1344         struct bt_ctf_field *a_0 = NULL;
1345         struct bt_ctf_field *a_1 = NULL;
1346         struct bt_ctf_field *a_2 = NULL;
1347         struct bt_ctf_field *a_3 = NULL;
1348         struct bt_ctf_field *a_4 = NULL;
1349         struct bt_ctf_field *strct = NULL;
1350         struct bt_ctf_field *len_copy = NULL;
1351         struct bt_ctf_field *fp_copy = NULL;
1352         struct bt_ctf_field *s_copy = NULL;
1353         struct bt_ctf_field *e_int_copy = NULL;
1354         struct bt_ctf_field *e_copy = NULL;
1355         struct bt_ctf_field *v_copy = NULL;
1356         struct bt_ctf_field *v_selected_copy = NULL;
1357         struct bt_ctf_field *v_selected_copy_len = NULL;
1358         struct bt_ctf_field *v_selected_0_copy = NULL;
1359         struct bt_ctf_field *v_selected_1_copy = NULL;
1360         struct bt_ctf_field *v_selected_2_copy = NULL;
1361         struct bt_ctf_field *v_selected_3_copy = NULL;
1362         struct bt_ctf_field *v_selected_4_copy = NULL;
1363         struct bt_ctf_field *v_selected_5_copy = NULL;
1364         struct bt_ctf_field *v_selected_6_copy = NULL;
1365         struct bt_ctf_field *a_copy = NULL;
1366         struct bt_ctf_field *a_0_copy = NULL;
1367         struct bt_ctf_field *a_1_copy = NULL;
1368         struct bt_ctf_field *a_2_copy = NULL;
1369         struct bt_ctf_field *a_3_copy = NULL;
1370         struct bt_ctf_field *a_4_copy = NULL;
1371         struct bt_ctf_field *strct_copy = NULL;
1372         uint64_t uint64_t_val;
1373         const char *str_val;
1374         double double_val;
1375         int ret;
1376
1377         /* create len type */
1378         len_type = bt_ctf_field_type_integer_create(32);
1379         assert(len_type);
1380
1381         /* create fp type */
1382         fp_type = bt_ctf_field_type_floating_point_create();
1383         assert(fp_type);
1384
1385         /* create s type */
1386         s_type = bt_ctf_field_type_string_create();
1387         assert(s_type);
1388
1389         /* create e_int type */
1390         e_int_type = bt_ctf_field_type_integer_create(8);
1391         assert(e_int_type);
1392
1393         /* create e type */
1394         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1395         assert(e_type);
1396         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1397                 10, 15);
1398         assert(!ret);
1399         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1400                 23, 23);
1401         assert(!ret);
1402
1403         /* create v_label1 type */
1404         v_label1_type = bt_ctf_field_type_string_create();
1405         assert(v_label1_type);
1406
1407         /* create v_label1_array type */
1408         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1409         assert(v_label1_array_type);
1410
1411         /* create v_label2 type */
1412         v_label2_type = bt_ctf_field_type_integer_create(16);
1413         assert(v_label2_type);
1414
1415         /* create v_label2_seq type */
1416         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1417                 "len");
1418         assert(v_label2_seq_type);
1419
1420         /* create v type */
1421         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1422         assert(v_type);
1423         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1424                 "LABEL1");
1425         assert(!ret);
1426         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1427                 "LABEL2");
1428         assert(!ret);
1429
1430         /* create strct type */
1431         strct_type = bt_ctf_field_type_structure_create();
1432         assert(strct_type);
1433         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1434                 "len");
1435         assert(!ret);
1436         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1437         assert(!ret);
1438         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1439         assert(!ret);
1440         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1441         assert(!ret);
1442         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1443         assert(!ret);
1444         ret = bt_ctf_field_type_structure_add_field(strct_type,
1445                 v_label1_array_type, "a");
1446         assert(!ret);
1447
1448         /* create strct */
1449         strct = bt_ctf_field_create(strct_type);
1450         assert(strct);
1451
1452         /* get len field */
1453         len = bt_ctf_field_structure_get_field(strct, "len");
1454         assert(len);
1455
1456         /* get fp field */
1457         fp = bt_ctf_field_structure_get_field(strct, "fp");
1458         assert(fp);
1459
1460         /* get s field */
1461         s = bt_ctf_field_structure_get_field(strct, "s");
1462         assert(s);
1463
1464         /* get e field */
1465         e = bt_ctf_field_structure_get_field(strct, "e");
1466         assert(e);
1467
1468         /* get e_int (underlying integer) */
1469         e_int = bt_ctf_field_enumeration_get_container(e);
1470         assert(e_int);
1471
1472         /* get v field */
1473         v = bt_ctf_field_structure_get_field(strct, "v");
1474         assert(v);
1475
1476         /* get a field */
1477         a = bt_ctf_field_structure_get_field(strct, "a");
1478         assert(a);
1479
1480         /* set len field */
1481         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1482         assert(!ret);
1483
1484         /* set fp field */
1485         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1486         assert(!ret);
1487
1488         /* set s field */
1489         ret = bt_ctf_field_string_set_value(s, "btbt");
1490         assert(!ret);
1491
1492         /* set e field (LABEL2) */
1493         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1494         assert(!ret);
1495
1496         /* set v field */
1497         v_selected = bt_ctf_field_variant_get_field(v, e);
1498         assert(v_selected);
1499
1500         /* set selected v field */
1501         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1502         assert(!ret);
1503         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1504         assert(v_selected_0);
1505         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1506         assert(!ret);
1507         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1508         assert(v_selected_1);
1509         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1510         assert(!ret);
1511         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1512         assert(v_selected_2);
1513         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1514         assert(!ret);
1515         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1516         assert(v_selected_3);
1517         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1518         assert(!ret);
1519         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1520         assert(v_selected_4);
1521         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1522         assert(!ret);
1523         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1524         assert(v_selected_5);
1525         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1526         assert(!ret);
1527         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1528         assert(v_selected_6);
1529         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1530         assert(!ret);
1531
1532         /* set a field */
1533         a_0 = bt_ctf_field_array_get_field(a, 0);
1534         assert(a_0);
1535         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1536         assert(!ret);
1537         a_1 = bt_ctf_field_array_get_field(a, 1);
1538         assert(a_1);
1539         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1540         assert(!ret);
1541         a_2 = bt_ctf_field_array_get_field(a, 2);
1542         assert(a_2);
1543         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1544         assert(!ret);
1545         a_3 = bt_ctf_field_array_get_field(a, 3);
1546         assert(a_3);
1547         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1548         assert(!ret);
1549         a_4 = bt_ctf_field_array_get_field(a, 4);
1550         assert(a_4);
1551         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1552         assert(!ret);
1553
1554         /* create copy of strct */
1555         ok(!bt_ctf_field_copy(NULL),
1556                 "bt_ctf_field_copy handles NULL correctly");
1557         strct_copy = bt_ctf_field_copy(strct);
1558         ok(strct_copy,
1559                 "bt_ctf_field_copy returns a valid pointer");
1560
1561         /* get all copied fields */
1562         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1563         assert(len_copy);
1564         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1565         assert(fp_copy);
1566         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1567         assert(s_copy);
1568         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1569         assert(e_copy);
1570         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1571         assert(e_int_copy);
1572         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1573         assert(v_copy);
1574         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1575         assert(v_selected_copy);
1576         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1577         assert(v_selected_0_copy);
1578         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1579         assert(v_selected_1_copy);
1580         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1581         assert(v_selected_2_copy);
1582         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1583         assert(v_selected_3_copy);
1584         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1585         assert(v_selected_4_copy);
1586         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1587         assert(v_selected_5_copy);
1588         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1589         assert(v_selected_6_copy);
1590         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1591                 "sequence field copy is not too large");
1592         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1593         assert(a_copy);
1594         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1595         assert(a_0_copy);
1596         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1597         assert(a_1_copy);
1598         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1599         assert(a_2_copy);
1600         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1601         assert(a_3_copy);
1602         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1603         assert(a_4_copy);
1604         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1605                 "array field copy is not too large");
1606
1607         /* make sure copied fields are different pointers */
1608         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1609         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1610         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1611         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1612         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1613         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1614         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1615         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1616                 "v_selected");
1617         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1618                 "v_selected_0");
1619         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1620                 "v_selected_1");
1621         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1622                 "v_selected_2");
1623         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1624                 "v_selected_3");
1625         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1626                 "v_selected_4");
1627         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1628                 "v_selected_5");
1629         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1630                 "v_selected_6");
1631         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1632         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1633         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1634         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1635         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1636         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1637
1638         /* make sure copied fields share the same types */
1639         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1640         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1641         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1642         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1643         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1644         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1645         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1646                 "v_selected");
1647         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1648                 "v_selected_0");
1649         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1650                 "v_selected_1");
1651         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1652                 "v_selected_2");
1653         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1654                 "v_selected_3");
1655         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1656                 "v_selected_4");
1657         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1658                 "v_selected_5");
1659         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1660                 "v_selected_6");
1661         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1662         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1663         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1664         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1665         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1666         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1667
1668         /* validate len copy */
1669         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1670         assert(!ret);
1671         ok(uint64_t_val == 7,
1672                 "bt_ctf_field_copy creates a valid integer field copy");
1673
1674         /* validate fp copy */
1675         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1676         assert(!ret);
1677         ok(double_val == 3.14,
1678                 "bt_ctf_field_copy creates a valid floating point number field copy");
1679
1680         /* validate s copy */
1681         str_val = bt_ctf_field_string_get_value(s_copy);
1682         ok(str_val && !strcmp(str_val, "btbt"),
1683                 "bt_ctf_field_copy creates a valid string field copy");
1684
1685         /* validate e_int copy */
1686         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1687                 &uint64_t_val);
1688         assert(!ret);
1689         ok(uint64_t_val == 23,
1690                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1691
1692         /* validate e copy */
1693         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1694         ok(str_val && !strcmp(str_val, "LABEL2"),
1695                 "bt_ctf_field_copy creates a valid enum field copy");
1696
1697         /* validate v_selected copy */
1698         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1699         assert(v_selected_copy_len);
1700         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1701                 &uint64_t_val);
1702         assert(!ret);
1703         ok(uint64_t_val == 7,
1704                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1705         bt_ctf_field_put(v_selected_copy_len);
1706         v_selected_copy_len = NULL;
1707
1708         /* validate v_selected copy fields */
1709         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1710                 &uint64_t_val);
1711         assert(!ret);
1712         ok(uint64_t_val == 7,
1713                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1714         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1715                 &uint64_t_val);
1716         assert(!ret);
1717         ok(uint64_t_val == 6,
1718                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1719         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1720                 &uint64_t_val);
1721         assert(!ret);
1722         ok(uint64_t_val == 5,
1723                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1724         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1725                 &uint64_t_val);
1726         assert(!ret);
1727         ok(uint64_t_val == 4,
1728                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1729         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1730                 &uint64_t_val);
1731         assert(!ret);
1732         ok(uint64_t_val == 3,
1733                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1734         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1735                 &uint64_t_val);
1736         assert(!ret);
1737         ok(uint64_t_val == 2,
1738                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1739         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1740                 &uint64_t_val);
1741         assert(!ret);
1742         ok(uint64_t_val == 1,
1743                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1744
1745         /* validate a copy fields */
1746         str_val = bt_ctf_field_string_get_value(a_0_copy);
1747         ok(str_val && !strcmp(str_val, "a_0"),
1748                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1749         str_val = bt_ctf_field_string_get_value(a_1_copy);
1750         ok(str_val && !strcmp(str_val, "a_1"),
1751                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1752         str_val = bt_ctf_field_string_get_value(a_2_copy);
1753         ok(str_val && !strcmp(str_val, "a_2"),
1754                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1755         str_val = bt_ctf_field_string_get_value(a_3_copy);
1756         ok(str_val && !strcmp(str_val, "a_3"),
1757                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1758         str_val = bt_ctf_field_string_get_value(a_4_copy);
1759         ok(str_val && !strcmp(str_val, "a_4"),
1760                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1761
1762         /* put everything */
1763         bt_ctf_field_type_put(len_type);
1764         bt_ctf_field_type_put(fp_type);
1765         bt_ctf_field_type_put(s_type);
1766         bt_ctf_field_type_put(e_int_type);
1767         bt_ctf_field_type_put(e_type);
1768         bt_ctf_field_type_put(v_type);
1769         bt_ctf_field_type_put(v_label1_type);
1770         bt_ctf_field_type_put(v_label1_array_type);
1771         bt_ctf_field_type_put(v_label2_type);
1772         bt_ctf_field_type_put(v_label2_seq_type);
1773         bt_ctf_field_type_put(strct_type);
1774         bt_ctf_field_put(len);
1775         bt_ctf_field_put(fp);
1776         bt_ctf_field_put(s);
1777         bt_ctf_field_put(e_int);
1778         bt_ctf_field_put(e);
1779         bt_ctf_field_put(v);
1780         bt_ctf_field_put(v_selected);
1781         bt_ctf_field_put(v_selected_0);
1782         bt_ctf_field_put(v_selected_1);
1783         bt_ctf_field_put(v_selected_2);
1784         bt_ctf_field_put(v_selected_3);
1785         bt_ctf_field_put(v_selected_4);
1786         bt_ctf_field_put(v_selected_5);
1787         bt_ctf_field_put(v_selected_6);
1788         bt_ctf_field_put(a);
1789         bt_ctf_field_put(a_0);
1790         bt_ctf_field_put(a_1);
1791         bt_ctf_field_put(a_2);
1792         bt_ctf_field_put(a_3);
1793         bt_ctf_field_put(a_4);
1794         bt_ctf_field_put(strct);
1795         bt_ctf_field_put(len_copy);
1796         bt_ctf_field_put(fp_copy);
1797         bt_ctf_field_put(s_copy);
1798         bt_ctf_field_put(e_int_copy);
1799         bt_ctf_field_put(e_copy);
1800         bt_ctf_field_put(v_copy);
1801         bt_ctf_field_put(v_selected_copy);
1802         bt_ctf_field_put(v_selected_0_copy);
1803         bt_ctf_field_put(v_selected_1_copy);
1804         bt_ctf_field_put(v_selected_2_copy);
1805         bt_ctf_field_put(v_selected_3_copy);
1806         bt_ctf_field_put(v_selected_4_copy);
1807         bt_ctf_field_put(v_selected_5_copy);
1808         bt_ctf_field_put(v_selected_6_copy);
1809         bt_ctf_field_put(a_copy);
1810         bt_ctf_field_put(a_0_copy);
1811         bt_ctf_field_put(a_1_copy);
1812         bt_ctf_field_put(a_2_copy);
1813         bt_ctf_field_put(a_3_copy);
1814         bt_ctf_field_put(a_4_copy);
1815         bt_ctf_field_put(strct_copy);
1816 }
1817
1818 void type_field_tests()
1819 {
1820         struct bt_ctf_field *uint_12;
1821         struct bt_ctf_field *int_16;
1822         struct bt_ctf_field *string;
1823         struct bt_ctf_field *enumeration;
1824         struct bt_ctf_field_type *composite_structure_type;
1825         struct bt_ctf_field_type *structure_seq_type;
1826         struct bt_ctf_field_type *string_type;
1827         struct bt_ctf_field_type *sequence_type;
1828         struct bt_ctf_field_type *uint_8_type;
1829         struct bt_ctf_field_type *int_16_type;
1830         struct bt_ctf_field_type *uint_12_type =
1831                 bt_ctf_field_type_integer_create(12);
1832         struct bt_ctf_field_type *enumeration_type;
1833         struct bt_ctf_field_type *enumeration_sequence_type;
1834         struct bt_ctf_field_type *enumeration_array_type;
1835         struct bt_ctf_field_type *returned_type;
1836         const char *ret_string;
1837
1838         returned_type = bt_ctf_field_get_type(NULL);
1839         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1840
1841         ok(uint_12_type, "Create an unsigned integer type");
1842         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1843                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1844                 "Set integer type's base as binary");
1845         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1846                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1847                 "Set integer type's base as decimal");
1848         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1849                 BT_CTF_INTEGER_BASE_UNKNOWN),
1850                 "Reject integer type's base set as unknown");
1851         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1852                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1853                 "Set integer type's base as octal");
1854         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1855                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1856                 "Set integer type's base as hexadecimal");
1857         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1858                 "Reject unknown integer base value");
1859         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1860                 "Set integer type signedness to signed");
1861         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1862                 "Set integer type signedness to unsigned");
1863         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1864                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1865         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1866                 "bt_ctf_field_type_integer_get_size returns a correct value");
1867         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1868                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1869         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1870                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1871
1872         ok(bt_ctf_field_type_set_byte_order(NULL,
1873                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1874                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1875         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1876                 (enum bt_ctf_byte_order) 42) < 0,
1877                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1878         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1879                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1880                 "Set an integer's byte order to little endian");
1881         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1882                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1883                 "Set an integer's byte order to big endian");
1884         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1885                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1886                 "bt_ctf_field_type_get_byte_order returns a correct value");
1887         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1888                 BT_CTF_BYTE_ORDER_UNKNOWN,
1889                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1890
1891         ok(bt_ctf_field_type_get_type_id(NULL) ==
1892                 CTF_TYPE_UNKNOWN,
1893                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1894         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1895                 CTF_TYPE_INTEGER,
1896                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1897
1898         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1899                 BT_CTF_INTEGER_BASE_UNKNOWN,
1900                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1901         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1902                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1903                 "bt_ctf_field_type_integer_get_base returns a correct value");
1904
1905         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1906                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1907         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1908                 (enum ctf_string_encoding) 123) < 0,
1909                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1910         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1911                 CTF_STRING_UTF8) == 0,
1912                 "Set integer type encoding to UTF8");
1913         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1914                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1915         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1916                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1917
1918         int_16_type = bt_ctf_field_type_integer_create(16);
1919         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1920         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1921                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1922         uint_8_type = bt_ctf_field_type_integer_create(8);
1923         sequence_type =
1924                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1925         ok(sequence_type, "Create a sequence of int16_t type");
1926         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1927                 CTF_TYPE_SEQUENCE,
1928                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1929
1930         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1931                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1932         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1933                 sequence_type);
1934         ok(!strcmp(ret_string, "seq_len"),
1935                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1936         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1937                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1938         returned_type = bt_ctf_field_type_sequence_get_element_type(
1939                 sequence_type);
1940         ok(returned_type == int_16_type,
1941                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1942         bt_ctf_field_type_put(returned_type);
1943
1944         string_type = bt_ctf_field_type_string_create();
1945         ok(string_type, "Create a string type");
1946         ok(bt_ctf_field_type_string_set_encoding(string_type,
1947                 CTF_STRING_NONE),
1948                 "Reject invalid \"None\" string encoding");
1949         ok(bt_ctf_field_type_string_set_encoding(string_type,
1950                 42),
1951                 "Reject invalid string encoding");
1952         ok(bt_ctf_field_type_string_set_encoding(string_type,
1953                 CTF_STRING_ASCII) == 0,
1954                 "Set string encoding to ASCII");
1955
1956         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1957                 CTF_STRING_UNKNOWN,
1958                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1959         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1960                 CTF_STRING_ASCII,
1961                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1962
1963         structure_seq_type = bt_ctf_field_type_structure_create();
1964         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1965                 CTF_TYPE_STRUCT,
1966                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1967         ok(structure_seq_type, "Create a structure type");
1968         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1969                 uint_8_type, "seq_len") == 0,
1970                 "Add a uint8_t type to a structure");
1971         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1972                 sequence_type, "a_sequence") == 0,
1973                 "Add a sequence type to a structure");
1974
1975         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1976                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1977         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1978                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1979
1980         ok(bt_ctf_field_type_structure_get_field(NULL,
1981                 &ret_string, &returned_type, 1) < 0,
1982                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1983         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1984                 NULL, &returned_type, 1) == 0,
1985                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1986         bt_ctf_field_type_put(returned_type);
1987         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1988                 &ret_string, NULL, 1) == 0,
1989                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1990         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1991                 &ret_string, &returned_type, 10) < 0,
1992                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1993         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1994                 &ret_string, &returned_type, 1) == 0,
1995                 "bt_ctf_field_type_structure_get_field returns a field");
1996         ok(!strcmp(ret_string, "a_sequence"),
1997                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1998         ok(returned_type == sequence_type,
1999                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2000         bt_ctf_field_type_put(returned_type);
2001
2002         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2003                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2004         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2005                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2006         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2007                 structure_seq_type, "a_sequence");
2008         ok(returned_type == sequence_type,
2009                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2010         bt_ctf_field_type_put(returned_type);
2011
2012         composite_structure_type = bt_ctf_field_type_structure_create();
2013         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2014                 string_type, "a_string") == 0,
2015                 "Add a string type to a structure");
2016         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2017                 structure_seq_type, "inner_structure") == 0,
2018                 "Add a structure type to a structure");
2019
2020         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2021                 NULL, "a_sequence") == NULL,
2022                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2023         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2024                 structure_seq_type, NULL) == NULL,
2025                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2026         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2027                 structure_seq_type, "a_sequence");
2028         ok(returned_type == sequence_type,
2029                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2030         bt_ctf_field_type_put(returned_type);
2031
2032         int_16 = bt_ctf_field_create(int_16_type);
2033         ok(int_16, "Instanciate a signed 16-bit integer");
2034         uint_12 = bt_ctf_field_create(uint_12_type);
2035         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2036         returned_type = bt_ctf_field_get_type(int_16);
2037         ok(returned_type == int_16_type,
2038                 "bt_ctf_field_get_type returns the correct type");
2039
2040         /* Can't modify types after instanciating them */
2041         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2042                 BT_CTF_INTEGER_BASE_DECIMAL),
2043                 "Check an integer type' base can't be modified after instanciation");
2044         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2045                 "Check an integer type's signedness can't be modified after instanciation");
2046
2047         /* Check signed property is checked */
2048         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2049                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2050         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2051                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2052
2053         /* Check overflows are properly tested for */
2054         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2055                 "Check -32768 is allowed for a signed 16-bit integer");
2056         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2057                 "Check 32767 is allowed for a signed 16-bit integer");
2058         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2059                 "Check 32768 is not allowed for a signed 16-bit integer");
2060         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2061                 "Check -32769 is not allowed for a signed 16-bit integer");
2062         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2063                 "Check -42 is allowed for a signed 16-bit integer");
2064
2065         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2066                 "Check 4095 is allowed for an unsigned 12-bit integer");
2067         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2068                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2069         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2070                 "Check 0 is allowed for an unsigned 12-bit integer");
2071
2072         string = bt_ctf_field_create(string_type);
2073         ok(string, "Instanciate a string field");
2074         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2075                 "Set a string's value");
2076
2077         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2078         ok(enumeration_type,
2079                 "Create an enumeration type with an unsigned 12-bit integer as container");
2080         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
2081                 enumeration_type, "count");
2082         ok(!enumeration_sequence_type,
2083                 "Check enumeration types are validated when creating a sequence");
2084         enumeration_array_type = bt_ctf_field_type_array_create(
2085                 enumeration_type, 10);
2086         ok(!enumeration_array_type,
2087                 "Check enumeration types are validated when creating an array");
2088         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2089                 enumeration_type, "enumeration"),
2090                 "Check enumeration types are validated when adding them as structure members");
2091         enumeration = bt_ctf_field_create(enumeration_type);
2092         ok(!enumeration,
2093                 "Check enumeration types are validated before instantiation");
2094
2095         bt_ctf_field_put(string);
2096         bt_ctf_field_put(uint_12);
2097         bt_ctf_field_put(int_16);
2098         bt_ctf_field_put(enumeration);
2099         bt_ctf_field_type_put(composite_structure_type);
2100         bt_ctf_field_type_put(structure_seq_type);
2101         bt_ctf_field_type_put(string_type);
2102         bt_ctf_field_type_put(sequence_type);
2103         bt_ctf_field_type_put(uint_8_type);
2104         bt_ctf_field_type_put(int_16_type);
2105         bt_ctf_field_type_put(uint_12_type);
2106         bt_ctf_field_type_put(enumeration_type);
2107         bt_ctf_field_type_put(enumeration_sequence_type);
2108         bt_ctf_field_type_put(enumeration_array_type);
2109         bt_ctf_field_type_put(returned_type);
2110 }
2111
2112 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2113                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2114 {
2115         /*
2116          * Append enough events to force the underlying packet to be resized.
2117          * Also tests that a new event can be declared after a stream has been
2118          * instantiated and used/flushed.
2119          */
2120         int ret = 0;
2121         int i;
2122         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2123                 "Spammy_Event");
2124         struct bt_ctf_field_type *integer_type =
2125                 bt_ctf_field_type_integer_create(17);
2126         struct bt_ctf_field_type *string_type =
2127                 bt_ctf_field_type_string_create();
2128         struct bt_ctf_event *event = NULL;
2129         struct bt_ctf_field *ret_field = NULL;
2130         struct bt_ctf_field_type *ret_field_type = NULL;
2131         uint64_t ret_uint64;
2132         int events_appended = 0;
2133         struct bt_ctf_field *packet_context = NULL,
2134                 *packet_context_field = NULL, *event_context = NULL;
2135
2136         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2137                 "field_1");
2138         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2139                 "a_string");
2140         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2141         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2142         if (ret) {
2143                 goto end;
2144         }
2145
2146         event = bt_ctf_event_create(event_class);
2147         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2148         ret_field_type = bt_ctf_field_get_type(ret_field);
2149         ok(ret_field_type == integer_type,
2150                 "bt_ctf_event_get_payload_by_index returns a correct field");
2151         bt_ctf_field_type_put(ret_field_type);
2152         bt_ctf_field_put(ret_field);
2153
2154         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2155                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2156         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2157                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2158         bt_ctf_event_put(event);
2159
2160         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2161                 "bt_ctf_stream_get_event_context handles NULL correctly");
2162         event_context = bt_ctf_stream_get_event_context(stream);
2163         ok(event_context,
2164                 "bt_ctf_stream_get_event_context returns a stream event context");
2165         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2166                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2167         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2168                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2169         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2170                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2171         ret_field = bt_ctf_field_create(integer_type);
2172         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2173                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2174         bt_ctf_field_put(ret_field);
2175
2176         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2177                 event = bt_ctf_event_create(event_class);
2178                 struct bt_ctf_field *integer =
2179                         bt_ctf_field_create(integer_type);
2180                 struct bt_ctf_field *string =
2181                         bt_ctf_field_create(string_type);
2182
2183                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2184                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2185                 ret |= bt_ctf_event_set_payload(event, "field_1",
2186                         integer);
2187                 bt_ctf_field_put(integer);
2188                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2189                 ret |= bt_ctf_event_set_payload(event, "a_string",
2190                         string);
2191                 bt_ctf_field_put(string);
2192
2193                 /* Populate stream event context */
2194                 integer = bt_ctf_field_structure_get_field(event_context,
2195                         "common_event_context");
2196                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2197                         i % 42);
2198                 bt_ctf_field_put(integer);
2199
2200                 ret |= bt_ctf_stream_append_event(stream, event);
2201                 bt_ctf_event_put(event);
2202
2203                 if (ret) {
2204                         break;
2205                 }
2206         }
2207
2208         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2209         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2210                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2211         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2212                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2213         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2214         ok(ret == 0 && ret_uint64 == 0,
2215                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2216         bt_ctf_stream_append_discarded_events(stream, 1000);
2217         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2218         ok(ret == 0 && ret_uint64 == 1000,
2219                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2220
2221 end:
2222         ok(events_appended, "Append 100 000 events to a stream");
2223
2224         /*
2225          * Populate the custom packet context field with a dummy value
2226          * otherwise flush will fail.
2227          */
2228         packet_context = bt_ctf_stream_get_packet_context(stream);
2229         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2230                 "custom_packet_context_field");
2231         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2232
2233         ok(bt_ctf_stream_flush(stream) == 0,
2234                 "Flush a stream that forces a packet resize");
2235         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2236         ok(ret == 0 && ret_uint64 == 1000,
2237                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2238         bt_ctf_field_type_put(integer_type);
2239         bt_ctf_field_type_put(string_type);
2240         bt_ctf_field_put(packet_context);
2241         bt_ctf_field_put(packet_context_field);
2242         bt_ctf_field_put(event_context);
2243         bt_ctf_event_class_put(event_class);
2244 }
2245
2246 void test_empty_stream(struct bt_ctf_writer *writer)
2247 {
2248         int ret = 0;
2249         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2250         struct bt_ctf_stream_class *stream_class = NULL;
2251         struct bt_ctf_stream *stream = NULL;
2252
2253         trace = bt_ctf_writer_get_trace(writer);
2254         if (!trace) {
2255                 diag("Failed to get trace from writer");
2256                 ret = -1;
2257                 goto end;
2258         }
2259
2260         stream_class = bt_ctf_stream_class_create("empty_stream");
2261         if (!stream_class) {
2262                 diag("Failed to create stream class");
2263                 ret = -1;
2264                 goto end;
2265         }
2266
2267         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2268                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2269         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2270                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2271
2272         stream = bt_ctf_writer_create_stream(writer, stream_class);
2273         if (!stream) {
2274                 diag("Failed to create writer stream");
2275                 ret = -1;
2276                 goto end;
2277         }
2278
2279         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2280         ok(ret_trace == trace,
2281                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2282 end:
2283         ok(ret == 0,
2284                 "Created a stream class with default attributes and an empty stream");
2285         bt_ctf_trace_put(trace);
2286         bt_ctf_trace_put(ret_trace);
2287         bt_ctf_stream_put(stream);
2288         bt_ctf_stream_class_put(stream_class);
2289 }
2290
2291 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2292 {
2293         int ret = 0;
2294         struct bt_ctf_trace *trace = NULL;
2295         struct bt_ctf_clock *clock = NULL;
2296         struct bt_ctf_stream_class *stream_class = NULL;
2297         struct bt_ctf_stream *stream = NULL,
2298                 *ret_stream = NULL;
2299         struct bt_ctf_event_class *event_class = NULL;
2300         struct bt_ctf_event *event = NULL;
2301         struct bt_ctf_field_type *integer_type = NULL;
2302         struct bt_ctf_field *integer = NULL;
2303
2304         trace = bt_ctf_writer_get_trace(writer);
2305         if (!trace) {
2306                 diag("Failed to get trace from writer");
2307                 ret = -1;
2308                 goto end;
2309         }
2310
2311         clock = bt_ctf_trace_get_clock(trace, 0);
2312         if (!clock) {
2313                 diag("Failed to get clock from trace");
2314                 ret = -1;
2315                 goto end;
2316         }
2317
2318         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2319         if (!stream_class) {
2320                 diag("Failed to create stream class");
2321                 ret = -1;
2322                 goto end;
2323         }
2324
2325         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2326         if (ret) {
2327                 diag("Failed to set stream class clock");
2328                 goto end;
2329         }
2330
2331         event_class = bt_ctf_event_class_create("some_event_class_name");
2332         integer_type = bt_ctf_field_type_integer_create(32);
2333         if (!integer_type) {
2334                 diag("Failed to create integer field type");
2335                 ret = -1;
2336                 goto end;
2337         }
2338
2339         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2340                 "integer_field");
2341         if (ret) {
2342                 diag("Failed to add field to event class");
2343                 goto end;
2344         }
2345
2346         ret = bt_ctf_stream_class_add_event_class(stream_class,
2347                 event_class);
2348         if (ret) {
2349                 diag("Failed to add event class to stream class");
2350         }
2351
2352         event = bt_ctf_event_create(event_class);
2353         if (!event) {
2354                 diag("Failed to create event");
2355                 ret = -1;
2356                 goto end;
2357         }
2358
2359         integer = bt_ctf_event_get_payload_by_index(event, 0);
2360         if (!integer) {
2361                 diag("Failed to get integer field payload from event");
2362                 ret = -1;
2363                 goto end;
2364         }
2365
2366         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2367         if (ret) {
2368                 diag("Failed to set integer field value");
2369                 goto end;
2370         }
2371
2372         stream = bt_ctf_writer_create_stream(writer, stream_class);
2373         if (!stream) {
2374                 diag("Failed to create writer stream");
2375                 ret = -1;
2376                 goto end;
2377         }
2378
2379         ok(bt_ctf_event_get_stream(NULL) == NULL,
2380                 "bt_ctf_event_get_stream handles NULL correctly");
2381         ok(bt_ctf_event_get_stream(event) == NULL,
2382                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2383
2384         ret = bt_ctf_stream_append_event(stream, event);
2385         if (ret) {
2386                 diag("Failed to append event to stream");
2387                 goto end;
2388         }
2389
2390         ret_stream = bt_ctf_event_get_stream(event);
2391         ok(ret_stream == stream,
2392                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2393 end:
2394         ok(ret == 0,
2395                 "Create an event before instanciating its associated stream");
2396         bt_ctf_trace_put(trace);
2397         bt_ctf_stream_put(stream);
2398         bt_ctf_stream_put(ret_stream);
2399         bt_ctf_stream_class_put(stream_class);
2400         bt_ctf_event_class_put(event_class);
2401         bt_ctf_event_put(event);
2402         bt_ctf_field_type_put(integer_type);
2403         bt_ctf_field_put(integer);
2404         bt_ctf_clock_put(clock);
2405 }
2406
2407 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2408 {
2409         struct bt_ctf_event_class *event_class;
2410
2411         assert(event_class = bt_ctf_event_class_create("Simple Event"));
2412         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2413                 "two event classes with the same name cannot cohabit within the same stream class");
2414         bt_ctf_event_class_put(event_class);
2415
2416         event_class = bt_ctf_event_class_create("different name, ok");
2417         assert(event_class);
2418         assert(!bt_ctf_event_class_set_id(event_class, 11));
2419         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2420                 "two event classes with the same ID cannot cohabit within the same stream class");
2421         bt_ctf_event_class_put(event_class);
2422 }
2423
2424 int main(int argc, char **argv)
2425 {
2426         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2427         char metadata_path[sizeof(trace_path) + 9];
2428         const char *clock_name = "test_clock";
2429         const char *clock_description = "This is a test clock";
2430         const char *returned_clock_name;
2431         const char *returned_clock_description;
2432         const uint64_t frequency = 1123456789;
2433         const uint64_t offset_s = 1351530929945824323;
2434         const uint64_t offset = 1234567;
2435         const uint64_t precision = 10;
2436         const int is_absolute = 0xFF;
2437         char *metadata_string;
2438         struct bt_ctf_writer *writer;
2439         struct utsname name;
2440         char hostname[BABELTRACE_HOST_NAME_MAX];
2441         struct bt_ctf_clock *clock, *ret_clock;
2442         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2443         struct bt_ctf_stream *stream1;
2444         const char *ret_string;
2445         const unsigned char *ret_uuid;
2446         unsigned char tmp_uuid[16] = { 0 };
2447         struct bt_ctf_field_type *packet_context_type,
2448                 *packet_context_field_type,
2449                 *packet_header_type,
2450                 *packet_header_field_type,
2451                 *integer_type,
2452                 *stream_event_context_type,
2453                 *ret_field_type,
2454                 *event_header_field_type;
2455         struct bt_ctf_field *packet_header, *packet_header_field;
2456         struct bt_ctf_trace *trace;
2457         int ret;
2458         int64_t ret_int64_t;
2459         struct bt_object *obj;
2460
2461         if (argc < 3) {
2462                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2463                 return -1;
2464         }
2465
2466         plan_no_plan();
2467
2468         if (!mkdtemp(trace_path)) {
2469                 perror("# perror");
2470         }
2471
2472         strcpy(metadata_path, trace_path);
2473         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2474
2475         writer = bt_ctf_writer_create(trace_path);
2476         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2477
2478         ok(!bt_ctf_writer_get_trace(NULL),
2479                 "bt_ctf_writer_get_trace correctly handles NULL");
2480         trace = bt_ctf_writer_get_trace(writer);
2481         ok(trace,
2482                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2483         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2484                 "Set a trace's byte order to big endian");
2485         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2486                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2487
2488         /* Add environment context to the trace */
2489         ret = gethostname(hostname, sizeof(hostname));
2490         if (ret < 0) {
2491                 return ret;
2492         }
2493         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2494                 "Add host (%s) environment field to writer instance",
2495                 hostname);
2496         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2497                 "test_value"),
2498                 "bt_ctf_writer_add_environment_field error with NULL writer");
2499         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2500                 "test_value"),
2501                 "bt_ctf_writer_add_environment_field error with NULL field name");
2502         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2503                 NULL),
2504                 "bt_ctf_writer_add_environment_field error with NULL field value");
2505
2506         /* Test bt_ctf_trace_set_environment_field with an integer object */
2507         obj = bt_object_integer_create_init(23);
2508         assert(obj);
2509         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2510                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2511         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2512                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2513         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2514                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2515         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2516                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2517         BT_OBJECT_PUT(obj);
2518
2519         /* Test bt_ctf_trace_set_environment_field with a string object */
2520         obj = bt_object_string_create_init("the value");
2521         assert(obj);
2522         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2523                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2524         BT_OBJECT_PUT(obj);
2525
2526         /* Test bt_ctf_trace_set_environment_field_integer */
2527         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2528                 -194875),
2529                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2530         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2531                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2532         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2533                 -164973),
2534                 "bt_ctf_trace_set_environment_field_integer succeeds");
2535
2536         /* Test bt_ctf_trace_set_environment_field_string */
2537         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2538                 "yeah"),
2539                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2540         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2541                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2542         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2543                 NULL),
2544                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2545         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2546                 "oh yeah"),
2547                 "bt_ctf_trace_set_environment_field_string succeeds");
2548
2549         /* Test bt_ctf_trace_get_environment_field_count */
2550         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2551                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2552         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2553                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2554
2555         /* Test bt_ctf_trace_get_environment_field_name */
2556         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2557                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2558         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2559                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2560         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2561                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2562         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2563         ok(ret_string && !strcmp(ret_string, "host"),
2564                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2565         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2566         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2567                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2568         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2569         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2570                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2571         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2572         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2573                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2574         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2575         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2576                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2577
2578         /* Test bt_ctf_trace_get_environment_field_value */
2579         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2580                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2581         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2582                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2583         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2584                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2585         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2586         ret = bt_object_integer_get(obj, &ret_int64_t);
2587         ok(!ret && ret_int64_t == 23,
2588                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2589         BT_OBJECT_PUT(obj);
2590         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2591         ret = bt_object_string_get(obj, &ret_string);
2592         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2593                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2594         BT_OBJECT_PUT(obj);
2595
2596         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2597         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2598                 "test_env_str"),
2599                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2600         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2601                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2602         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2603                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2604         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2605                 "test_env_str");
2606         ret = bt_object_string_get(obj, &ret_string);
2607         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2608                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2609         BT_OBJECT_PUT(obj);
2610
2611         /* Test environment field replacement */
2612         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2613                 654321),
2614                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2615         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2616                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2617         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2618         ret = bt_object_integer_get(obj, &ret_int64_t);
2619         ok(!ret && ret_int64_t == 654321,
2620                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2621         BT_OBJECT_PUT(obj);
2622
2623         if (uname(&name)) {
2624                 perror("uname");
2625                 return -1;
2626         }
2627
2628         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2629                 == 0, "Add sysname (%s) environment field to writer instance",
2630                 name.sysname);
2631         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2632                 name.nodename) == 0,
2633                 "Add nodename (%s) environment field to writer instance",
2634                 name.nodename);
2635         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2636                 == 0, "Add release (%s) environment field to writer instance",
2637                 name.release);
2638         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2639                 == 0, "Add version (%s) environment field to writer instance",
2640                 name.version);
2641         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2642                 == 0, "Add machine (%s) environment field to writer istance",
2643                 name.machine);
2644
2645         /* Define a clock and add it to the trace */
2646         ok(bt_ctf_clock_create("signed") == NULL,
2647                 "Illegal clock name rejected");
2648         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2649         clock = bt_ctf_clock_create(clock_name);
2650         ok(clock, "Clock created sucessfully");
2651         returned_clock_name = bt_ctf_clock_get_name(clock);
2652         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2653         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2654                 "Returned clock name is valid");
2655
2656         returned_clock_description = bt_ctf_clock_get_description(clock);
2657         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2658         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2659                 "Clock description set successfully");
2660
2661         returned_clock_description = bt_ctf_clock_get_description(clock);
2662         ok(returned_clock_description,
2663                 "bt_ctf_clock_get_description returns a description.");
2664         ok(returned_clock_description ?
2665                 !strcmp(returned_clock_description, clock_description) : 0,
2666                 "Returned clock description is valid");
2667
2668         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2669                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2670         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2671                 "Set clock frequency");
2672         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2673                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2674
2675         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
2676                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2677         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2678                 "Set clock offset (seconds)");
2679         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
2680                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2681
2682         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
2683                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
2684         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2685         ok(bt_ctf_clock_get_offset(clock) == offset,
2686                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
2687
2688         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2689                 "bt_ctf_clock_get_precision returns the correct default precision");
2690         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2691                 "Set clock precision");
2692         ok(bt_ctf_clock_get_precision(clock) == precision,
2693                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2694
2695         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2696                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2697         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2698                 "Set clock absolute property");
2699         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2700                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2701
2702         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
2703                 "bt_ctf_clock_get_time returns the correct default time");
2704         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2705                 "Set clock time");
2706         ok(bt_ctf_clock_get_time(clock) == current_time,
2707                 "bt_ctf_clock_get_time returns the correct time once it is set");
2708
2709         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2710                 "Add clock to writer instance");
2711         ok(bt_ctf_writer_add_clock(writer, clock),
2712                 "Verify a clock can't be added twice to a writer instance");
2713
2714         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2715                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2716         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2717                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2718         ok(!bt_ctf_trace_get_clock(NULL, 0),
2719                 "bt_ctf_trace_get_clock correctly handles NULL");
2720         ok(!bt_ctf_trace_get_clock(trace, -1),
2721                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2722         ok(!bt_ctf_trace_get_clock(trace, 1),
2723                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2724         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2725         ok(ret_clock == clock,
2726                 "bt_ctf_trace_get_clock returns the right clock instance");
2727         bt_ctf_clock_put(ret_clock);
2728         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2729                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2730         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2731                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2732         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2733                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2734         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2735         ok(ret_clock == clock,
2736                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2737         bt_ctf_clock_put(ret_clock);
2738         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2739                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2740
2741         ok(!bt_ctf_clock_get_name(NULL),
2742                 "bt_ctf_clock_get_name correctly handles NULL");
2743         ok(!bt_ctf_clock_get_description(NULL),
2744                 "bt_ctf_clock_get_description correctly handles NULL");
2745         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2746                 "bt_ctf_clock_get_frequency correctly handles NULL");
2747         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2748                 "bt_ctf_clock_get_precision correctly handles NULL");
2749         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
2750                 "bt_ctf_clock_get_offset_s correctly handles NULL");
2751         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
2752                 "bt_ctf_clock_get_offset correctly handles NULL");
2753         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
2754                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
2755         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
2756                 "bt_ctf_clock_get_time correctly handles NULL");
2757
2758         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
2759                 "bt_ctf_clock_set_description correctly handles NULL clock");
2760         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
2761                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
2762         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
2763                 "bt_ctf_clock_get_precision correctly handles NULL clock");
2764         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
2765                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
2766         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
2767                 "bt_ctf_clock_set_offset correctly handles NULL clock");
2768         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
2769                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
2770         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
2771                 "bt_ctf_clock_set_time correctly handles NULL clock");
2772         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
2773                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
2774         ret_uuid = bt_ctf_clock_get_uuid(clock);
2775         ok(ret_uuid,
2776                 "bt_ctf_clock_get_uuid returns a UUID");
2777         if (ret_uuid) {
2778                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
2779                 /* Slightly modify UUID */
2780                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
2781         }
2782
2783         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
2784                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
2785         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
2786                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
2787         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
2788                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
2789         ret_uuid = bt_ctf_clock_get_uuid(clock);
2790         ok(ret_uuid,
2791                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
2792         ok(uuid_match(ret_uuid, tmp_uuid),
2793                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
2794
2795         /* Define a stream class */
2796         stream_class = bt_ctf_stream_class_create("test_stream");
2797
2798         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
2799                 "bt_ctf_stream_class_get_name handles NULL correctly");
2800         ret_string = bt_ctf_stream_class_get_name(stream_class);
2801         ok(ret_string && !strcmp(ret_string, "test_stream"),
2802                 "bt_ctf_stream_class_get_name returns a correct stream class name");
2803
2804         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
2805                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
2806         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
2807                 "bt_ctf_stream_class_get_clock handles NULL correctly");
2808
2809         ok(stream_class, "Create stream class");
2810         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
2811                 "Set a stream class' clock");
2812         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
2813         ok(ret_clock == clock,
2814                 "bt_ctf_stream_class_get_clock returns a correct clock");
2815         bt_ctf_clock_put(ret_clock);
2816
2817         /* Test the event fields and event types APIs */
2818         type_field_tests();
2819
2820         /* Test fields copying */
2821         field_copy_tests();
2822
2823         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
2824                 "bt_ctf_stream_class_get_id returns an error when no id is set");
2825         ok(bt_ctf_stream_class_get_id(NULL) < 0,
2826                 "bt_ctf_stream_class_get_id handles NULL correctly");
2827         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
2828                 "bt_ctf_stream_class_set_id handles NULL correctly");
2829         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
2830                 "Set an stream class' id");
2831         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
2832                 "bt_ctf_stream_class_get_id returns the correct value");
2833
2834         /* Validate default event header fields */
2835         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
2836                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
2837         ret_field_type = bt_ctf_stream_class_get_event_header_type(
2838                 stream_class);
2839         ok(ret_field_type,
2840                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
2841         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
2842                 "Default event header type is a structure");
2843         event_header_field_type =
2844                 bt_ctf_field_type_structure_get_field_type_by_name(
2845                 ret_field_type, "id");
2846         ok(event_header_field_type,
2847                 "Default event header type contains an \"id\" field");
2848         ok(bt_ctf_field_type_get_type_id(
2849                 event_header_field_type) == CTF_TYPE_INTEGER,
2850                 "Default event header \"id\" field is an integer");
2851         bt_ctf_field_type_put(event_header_field_type);
2852         event_header_field_type =
2853                 bt_ctf_field_type_structure_get_field_type_by_name(
2854                 ret_field_type, "timestamp");
2855         ok(event_header_field_type,
2856                 "Default event header type contains a \"timestamp\" field");
2857         ok(bt_ctf_field_type_get_type_id(
2858                 event_header_field_type) == CTF_TYPE_INTEGER,
2859                 "Default event header \"timestamp\" field is an integer");
2860         bt_ctf_field_type_put(event_header_field_type);
2861         bt_ctf_field_type_put(ret_field_type);
2862
2863         /* Add a custom trace packet header field */
2864         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
2865                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
2866         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
2867         ok(packet_header_type,
2868                 "bt_ctf_trace_get_packet_header_type returns a packet header");
2869         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
2870                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
2871         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2872                 packet_header_type, "magic");
2873         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
2874         bt_ctf_field_type_put(ret_field_type);
2875         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2876                 packet_header_type, "uuid");
2877         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
2878         bt_ctf_field_type_put(ret_field_type);
2879         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2880                 packet_header_type, "stream_id");
2881         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
2882         bt_ctf_field_type_put(ret_field_type);
2883
2884         packet_header_field_type = bt_ctf_field_type_integer_create(22);
2885         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
2886                 packet_header_field_type, "custom_trace_packet_header_field"),
2887                 "Added a custom trace packet header field successfully");
2888
2889         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
2890                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
2891         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
2892                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
2893         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
2894                 "Set a trace packet_header_type successfully");
2895
2896         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
2897                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
2898
2899         /* Add a custom field to the stream class' packet context */
2900         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
2901         ok(packet_context_type,
2902                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
2903         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
2904                 "Packet context is a structure");
2905
2906         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
2907                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
2908         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
2909                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
2910
2911         integer_type = bt_ctf_field_type_integer_create(32);
2912         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
2913                 integer_type) < 0,
2914                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
2915         /* Create a "uint5_t" equivalent custom packet context field */
2916         packet_context_field_type = bt_ctf_field_type_integer_create(5);
2917
2918         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2919                 packet_context_field_type, "custom_packet_context_field");
2920         ok(ret == 0, "Packet context field added successfully");
2921
2922         /* Define a stream event context containing a my_integer field. */
2923         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
2924                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
2925         ok(bt_ctf_stream_class_get_event_context_type(
2926                 stream_class) == NULL,
2927                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
2928         stream_event_context_type = bt_ctf_field_type_structure_create();
2929         bt_ctf_field_type_structure_add_field(stream_event_context_type,
2930                 integer_type, "common_event_context");
2931
2932         ok(bt_ctf_stream_class_set_event_context_type(NULL,
2933                 stream_event_context_type) < 0,
2934                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
2935         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2936                 NULL) < 0,
2937                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
2938         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2939                 integer_type) < 0,
2940                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
2941
2942         ok(bt_ctf_stream_class_set_event_context_type(
2943                 stream_class, stream_event_context_type) == 0,
2944                 "Set a new stream event context type");
2945         ret_field_type = bt_ctf_stream_class_get_event_context_type(
2946                 stream_class);
2947         ok(ret_field_type == stream_event_context_type,
2948                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
2949         bt_ctf_field_type_put(ret_field_type);
2950
2951         /* Instantiate a stream and append events */
2952         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
2953         ok(stream1, "Instanciate a stream class from writer");
2954
2955         ok(bt_ctf_stream_get_class(NULL) == NULL,
2956                 "bt_ctf_stream_get_class correctly handles NULL");
2957         ret_stream_class = bt_ctf_stream_get_class(stream1);
2958         ok(ret_stream_class,
2959                 "bt_ctf_stream_get_class returns a stream class");
2960         ok(ret_stream_class == stream_class,
2961                 "Returned stream class is of the correct type");
2962
2963         /*
2964          * Try to modify the packet context type after a stream has been
2965          * created.
2966          */
2967         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
2968                 packet_header_field_type, "should_fail");
2969         ok(ret < 0,
2970                 "Trace packet header type can't be modified once a stream has been instanciated");
2971
2972         /*
2973          * Try to modify the packet context type after a stream has been
2974          * created.
2975          */
2976         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2977                 packet_context_field_type, "should_fail");
2978         ok(ret < 0,
2979                 "Packet context type can't be modified once a stream has been instanciated");
2980
2981         /*
2982          * Try to modify the stream event context type after a stream has been
2983          * created.
2984          */
2985         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
2986                 integer_type, "should_fail");
2987         ok(ret < 0,
2988                 "Stream event context type can't be modified once a stream has been instanciated");
2989
2990         /* Should fail after instanciating a stream (frozen) */
2991         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
2992                 "Changes to a stream class that was already instantiated fail");
2993
2994         /* Populate the custom packet header field only once for all tests */
2995         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
2996                 "bt_ctf_stream_get_packet_header handles NULL correctly");
2997         packet_header = bt_ctf_stream_get_packet_header(stream1);
2998         ok(packet_header,
2999                 "bt_ctf_stream_get_packet_header returns a packet header");
3000         ret_field_type = bt_ctf_field_get_type(packet_header);
3001         ok(ret_field_type == packet_header_type,
3002                 "Stream returns a packet header of the appropriate type");
3003         bt_ctf_field_type_put(ret_field_type);
3004         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3005                 "custom_trace_packet_header_field");
3006         ok(packet_header_field,
3007                 "Packet header structure contains a custom field with the appropriate name");
3008         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3009         ok(ret_field_type == packet_header_field_type,
3010                 "Custom packet header field is of the expected type");
3011         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3012                 54321), "Set custom packet header value successfully");
3013         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3014                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3015         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3016                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3017         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3018                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3019         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3020                 "Successfully set a stream's packet header");
3021
3022         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3023                 "Add environment field to writer after stream creation");
3024
3025         test_instanciate_event_before_stream(writer);
3026
3027         append_simple_event(stream_class, stream1, clock);
3028
3029         packet_resize_test(stream_class, stream1, clock);
3030
3031         append_complex_event(stream_class, stream1, clock);
3032
3033         append_existing_event_class(stream_class);
3034
3035         test_empty_stream(writer);
3036
3037         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3038         ok(metadata_string, "Get metadata string");
3039
3040         bt_ctf_writer_flush_metadata(writer);
3041         validate_metadata(argv[1], metadata_path);
3042         validate_trace(argv[2], trace_path);
3043
3044         bt_ctf_clock_put(clock);
3045         bt_ctf_stream_class_put(ret_stream_class);
3046         bt_ctf_writer_put(writer);
3047         bt_ctf_stream_put(stream1);
3048         bt_ctf_field_type_put(packet_context_type);
3049         bt_ctf_field_type_put(packet_context_field_type);
3050         bt_ctf_field_type_put(integer_type);
3051         bt_ctf_field_type_put(stream_event_context_type);
3052         bt_ctf_field_type_put(ret_field_type);
3053         bt_ctf_field_type_put(packet_header_type);
3054         bt_ctf_field_type_put(packet_header_field_type);
3055         bt_ctf_field_put(packet_header);
3056         bt_ctf_field_put(packet_header_field);
3057         bt_ctf_trace_put(trace);
3058         free(metadata_string);
3059
3060         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
3061                 "bt_ctf_stream_class_get_trace returns NULL after its trace has been reclaimed");
3062         bt_ctf_stream_class_put(stream_class);
3063
3064         /* Remove all trace files and delete temporary trace directory */
3065         DIR *trace_dir = opendir(trace_path);
3066         if (!trace_dir) {
3067                 perror("# opendir");
3068                 return -1;
3069         }
3070
3071         struct dirent *entry;
3072         while ((entry = readdir(trace_dir))) {
3073                 if (entry->d_type == DT_REG) {
3074                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
3075                 }
3076         }
3077
3078         rmdir(trace_path);
3079         closedir(trace_dir);
3080         return 0;
3081 }