tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-ir/stream-class.h>
  29 #include <babeltrace/ref.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/values.h>
  32 #include <unistd.h>
  33 #include <babeltrace/compat/stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <babeltrace/compat/stdio.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <babeltrace/compat/dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46 #include <sys/stat.h>
  47
  48 #define METADATA_LINE_SIZE 512
  49 #define SEQUENCE_TEST_LENGTH 10
  50 #define ARRAY_TEST_LENGTH 5
  51 #define PACKET_RESIZE_TEST_LENGTH 100000
  52
  53 #define DEFAULT_CLOCK_FREQ 1000000000
  54 #define DEFAULT_CLOCK_PRECISION 1
  55 #define DEFAULT_CLOCK_OFFSET 0
  56 #define DEFAULT_CLOCK_OFFSET_S 0
  57 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  58 #define DEFAULT_CLOCK_TIME 0
  59
  60 static uint64_t current_time = 42;
  61
  62 /* Return 1 if uuids match, zero if different. */
  63 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  64 {
  65         int ret = 0;
  66         int i;
  67
  68         if (!uuid_a || !uuid_b) {
  69                 goto end;
  70         }
  71
  72         for (i = 0; i < 16; i++) {
  73                 if (uuid_a[i] != uuid_b[i]) {
  74                         goto end;
  75                 }
  76         }
  77
  78         ret = 1;
  79 end:
  80         return ret;
  81 }
  82
  83 void validate_metadata(char *parser_path, char *metadata_path)
  84 {
  85         int ret = 0;
  86         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  87         int parser_output_fd = -1, metadata_fd = -1;
  88
  89         if (!metadata_path) {
  90                 ret = -1;
  91                 goto result;
  92         }
  93
  94         parser_output_fd = mkstemp(parser_output_path);
  95         metadata_fd = open(metadata_path, O_RDONLY);
  96
  97         unlink(parser_output_path);
  98
  99         if (parser_output_fd == -1 || metadata_fd == -1) {
 100                 diag("Failed create temporary files for metadata parsing.");
 101                 ret = -1;
 102                 goto result;
 103         }
 104
 105         pid_t pid = fork();
 106         if (pid) {
 107                 int status = 0;
 108                 waitpid(pid, &status, 0);
 109                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 110         } else {
 111                 /* ctf-parser-test expects a metadata string on stdin. */
 112                 ret = dup2(metadata_fd, STDIN_FILENO);
 113                 if (ret < 0) {
 114                         perror("# dup2 metadata_fd to STDIN");
 115                         goto result;
 116                 }
 117
 118                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 119                 if (ret < 0) {
 120                         perror("# dup2 parser_output_fd to STDOUT");
 121                         goto result;
 122                 }
 123
 124                 ret = dup2(parser_output_fd, STDERR_FILENO);
 125                 if (ret < 0) {
 126                         perror("# dup2 parser_output_fd to STDERR");
 127                         goto result;
 128                 }
 129
 130                 execl(parser_path, "ctf-parser-test", NULL);
 131                 perror("# Could not launch the ctf metadata parser process");
 132                 exit(-1);
 133         }
 134 result:
 135         ok(ret == 0, "Metadata string is valid");
 136
 137         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 138                 char *line;
 139                 size_t len = METADATA_LINE_SIZE;
 140                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 141
 142                 metadata_fp = fdopen(metadata_fd, "r");
 143                 if (!metadata_fp) {
 144                         perror("fdopen on metadata_fd");
 145                         goto close_fp;
 146                 }
 147                 metadata_fd = -1;
 148
 149                 parser_output_fp = fdopen(parser_output_fd, "r");
 150                 if (!parser_output_fp) {
 151                         perror("fdopen on parser_output_fd");
 152                         goto close_fp;
 153                 }
 154                 parser_output_fd = -1;
 155
 156                 line = malloc(len);
 157                 if (!line) {
 158                         diag("malloc failure");
 159                 }
 160
 161                 rewind(metadata_fp);
 162
 163                 /* Output the metadata and parser output as diagnostic */
 164                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 165                         fprintf(stderr, "# %s", line);
 166                 }
 167
 168                 rewind(parser_output_fp);
 169                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 170                         fprintf(stderr, "# %s", line);
 171                 }
 172
 173                 free(line);
 174 close_fp:
 175                 if (metadata_fp) {
 176                         if (fclose(metadata_fp)) {
 177                                 diag("fclose failure");
 178                         }
 179                 }
 180                 if (parser_output_fp) {
 181                         if (fclose(parser_output_fp)) {
 182                                 diag("fclose failure");
 183                         }
 184                 }
 185         }
 186
 187         if (parser_output_fd >= 0) {
 188                 if (close(parser_output_fd)) {
 189                         diag("close error");
 190                 }
 191         }
 192         if (metadata_fd >= 0) {
 193                 if (close(metadata_fd)) {
 194                         diag("close error");
 195                 }
 196         }
 197 }
 198
 199 void validate_trace(char *parser_path, char *trace_path)
 200 {
 201         int ret = 0;
 202         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 203         int babeltrace_output_fd = -1;
 204
 205         if (!trace_path) {
 206                 ret = -1;
 207                 goto result;
 208         }
 209
 210         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 211         unlink(babeltrace_output_path);
 212
 213         if (babeltrace_output_fd == -1) {
 214                 diag("Failed to create a temporary file for trace parsing.");
 215                 ret = -1;
 216                 goto result;
 217         }
 218
 219         pid_t pid = fork();
 220         if (pid) {
 221                 int status = 0;
 222                 waitpid(pid, &status, 0);
 223                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 224         } else {
 225                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 226                 if (ret < 0) {
 227                         perror("# dup2 babeltrace_output_fd to STDOUT");
 228                         goto result;
 229                 }
 230
 231                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 232                 if (ret < 0) {
 233                         perror("# dup2 babeltrace_output_fd to STDERR");
 234                         goto result;
 235                 }
 236
 237                 execl(parser_path, "babeltrace", trace_path, NULL);
 238                 perror("# Could not launch the babeltrace process");
 239                 exit(-1);
 240         }
 241 result:
 242         ok(ret == 0, "Babeltrace could read the resulting trace");
 243
 244         if (ret && babeltrace_output_fd >= 0) {
 245                 char *line;
 246                 size_t len = METADATA_LINE_SIZE;
 247                 FILE *babeltrace_output_fp = NULL;
 248
 249                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 250                 if (!babeltrace_output_fp) {
 251                         perror("fdopen on babeltrace_output_fd");
 252                         goto close_fp;
 253                 }
 254                 babeltrace_output_fd = -1;
 255
 256                 line = malloc(len);
 257                 if (!line) {
 258                         diag("malloc error");
 259                 }
 260                 rewind(babeltrace_output_fp);
 261                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 262                         diag("%s", line);
 263                 }
 264
 265                 free(line);
 266 close_fp:
 267                 if (babeltrace_output_fp) {
 268                         if (fclose(babeltrace_output_fp)) {
 269                                 diag("fclose error");
 270                         }
 271                 }
 272         }
 273
 274         if (babeltrace_output_fd >= 0) {
 275                 if (close(babeltrace_output_fd)) {
 276                         diag("close error");
 277                 }
 278         }
 279 }
 280
 281 void event_copy_tests(struct bt_ctf_event *event)
 282 {
 283         struct bt_ctf_event *copy;
 284         struct bt_ctf_event_class *orig_event_class;
 285         struct bt_ctf_event_class *copy_event_class;
 286         struct bt_ctf_stream *orig_stream;
 287         struct bt_ctf_stream *copy_stream;
 288         struct bt_ctf_field *orig_field;
 289         struct bt_ctf_field *copy_field;
 290
 291         /* copy */
 292         ok(!bt_ctf_event_copy(NULL),
 293                 "bt_ctf_event_copy handles NULL correctly");
 294         copy = bt_ctf_event_copy(event);
 295         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 296
 297         /* validate event class */
 298         orig_event_class = bt_ctf_event_get_class(event);
 299         assert(orig_event_class);
 300         copy_event_class = bt_ctf_event_get_class(copy);
 301         ok(orig_event_class == copy_event_class,
 302                 "original and copied events share the same event class pointer");
 303         bt_put(orig_event_class);
 304         bt_put(copy_event_class);
 305
 306         /* validate stream */
 307         orig_stream = bt_ctf_event_get_stream(event);
 308         copy_stream = bt_ctf_event_get_stream(copy);
 309
 310         if (!orig_stream) {
 311                 ok(!copy_stream, "original and copied events have no stream");
 312         } else {
 313                 ok(orig_stream == copy_stream,
 314                         "original and copied events share the same stream pointer");
 315         }
 316         bt_put(orig_stream);
 317         bt_put(copy_stream);
 318
 319         /* header */
 320         orig_field = bt_ctf_event_get_header(event);
 321         copy_field = bt_ctf_event_get_header(copy);
 322
 323         if (!orig_field) {
 324                 ok(!copy_field, "original and copied events have no header");
 325         } else {
 326                 ok(orig_field != copy_field,
 327                         "original and copied events headers are different pointers");
 328         }
 329
 330         bt_put(orig_field);
 331         bt_put(copy_field);
 332
 333         /* context */
 334         orig_field = bt_ctf_event_get_event_context(event);
 335         copy_field = bt_ctf_event_get_event_context(copy);
 336
 337         if (!orig_field) {
 338                 ok(!copy_field, "original and copied events have no context");
 339         } else {
 340                 ok(orig_field != copy_field,
 341                         "original and copied events contexts are different pointers");
 342         }
 343
 344         bt_put(orig_field);
 345         bt_put(copy_field);
 346
 347         /* payload */
 348         orig_field = bt_ctf_event_get_payload_field(event);
 349         copy_field = bt_ctf_event_get_payload_field(copy);
 350
 351         if (!orig_field) {
 352                 ok(!copy_field, "original and copied events have no payload");
 353         } else {
 354                 ok(orig_field != copy_field,
 355                         "original and copied events payloads are different pointers");
 356         }
 357
 358         bt_put(orig_field);
 359         bt_put(copy_field);
 360
 361         bt_put(copy);
 362 }
 363
 364 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 365                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 366 {
 367         /* Create and add a simple event class */
 368         struct bt_ctf_event_class *simple_event_class =
 369                 bt_ctf_event_class_create("Simple Event");
 370         struct bt_ctf_field_type *uint_12_type =
 371                 bt_ctf_field_type_integer_create(12);
 372         struct bt_ctf_field_type *int_64_type =
 373                 bt_ctf_field_type_integer_create(64);
 374         struct bt_ctf_field_type *float_type =
 375                 bt_ctf_field_type_floating_point_create();
 376         struct bt_ctf_field_type *enum_type;
 377         struct bt_ctf_field_type *enum_type_unsigned =
 378                 bt_ctf_field_type_enumeration_create(uint_12_type);
 379         struct bt_ctf_field_type *event_context_type =
 380                 bt_ctf_field_type_structure_create();
 381         struct bt_ctf_field_type *returned_type;
 382         struct bt_ctf_event *simple_event;
 383         struct bt_ctf_field *integer_field;
 384         struct bt_ctf_field *float_field;
 385         struct bt_ctf_field *enum_field;
 386         struct bt_ctf_field *enum_field_unsigned;
 387         struct bt_ctf_field *enum_container_field;
 388         const char *mapping_name_test = "truie";
 389         const double double_test_value = 3.1415;
 390         struct bt_ctf_field *enum_container_field_unsigned;
 391         const char *mapping_name_negative_test = "negative_value";
 392         const char *ret_char;
 393         double ret_double;
 394         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 395         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 396         struct bt_ctf_clock *ret_clock;
 397         struct bt_ctf_event_class *ret_event_class;
 398         struct bt_ctf_field *packet_context;
 399         struct bt_ctf_field *packet_context_field;
 400         struct bt_ctf_field *stream_event_context;
 401         struct bt_ctf_field *stream_event_context_field;
 402         struct bt_ctf_field *event_context;
 403         struct bt_ctf_field *event_context_field;
 404
 405         ok(uint_12_type, "Create an unsigned integer type");
 406
 407         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 408         ok(int_64_type, "Create a signed integer type");
 409         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 410
 411         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 412         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 413         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 414         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 415                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 416         bt_put(returned_type);
 417
 418         bt_ctf_field_type_set_alignment(float_type, 32);
 419         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 420                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 421         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 422                 "bt_ctf_field_type_get_alignment returns a correct value");
 423
 424         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 425                 "Set a floating point type's exponent digit count");
 426         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 427                 "Set a floating point type's mantissa digit count");
 428
 429         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 430                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 431         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 432                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 433         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 434                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 435         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 436                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 437
 438         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 439                 mapping_name_negative_test, -12345, 0) == 0,
 440                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 441         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 442                 "escaping; \"test\"", 1, 1) == 0,
 443                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 444         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 445                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 446                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 447         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 448                 "event clock int float", 5, 22) == 0,
 449                 "Accept enumeration mapping strings containing reserved keywords");
 450         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 451                 42, 42);
 452         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 453                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 454         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 455                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 456         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 457                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 458         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 459
 460         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 461                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 462         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 463                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 464         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 465                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 466
 467         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 468                 "enum_field") == 0, "Add signed enumeration field to event");
 469
 470         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 471                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 472                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 473         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 474                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 475                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 476         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 477                 NULL, &ret_range_end_int64_t) < 0,
 478                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 479         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 480                 &ret_range_start_int64_t, NULL) < 0,
 481                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 482         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 483                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 484                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 485         ok(!strcmp(ret_char, mapping_name_test),
 486                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 487         ok(ret_range_start_int64_t == 42,
 488                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 489         ok(ret_range_end_int64_t == 42,
 490                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 491
 492         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 493                 "escaping; \"test\"", 0, 0) == 0,
 494                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 495         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 496                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 497                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 498         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 499                 "event clock int float", 5, 22) == 0,
 500                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 501         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 502                 42, 42);
 503         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 504                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 505         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 506                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 507         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 508                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 509         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 510                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 511
 512         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 513                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 514         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 515                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 516
 517         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 518                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 519                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 520         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 521                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 522                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 523         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 524                 NULL, &ret_range_end_uint64_t) < 0,
 525                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 526         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 527                 &ret_range_start_uint64_t, NULL) < 0,
 528                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 529         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 530                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 531                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 532         ok(!strcmp(ret_char, mapping_name_test),
 533                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 534         ok(ret_range_start_uint64_t == 42,
 535                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 536         ok(ret_range_end_uint64_t == 42,
 537                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 538
 539         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 540                 "integer_field");
 541         bt_ctf_event_class_add_field(simple_event_class, float_type,
 542                 "float_field");
 543
 544         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 545
 546         /* Set an event context type which will contain a single integer*/
 547         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 548                 "event_specific_context"),
 549                 "Add event specific context field");
 550         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 551                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 552         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 553                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 554
 555         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 556                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 557         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 558                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 559         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 560                 "Set an event class' context type successfully");
 561         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 562         ok(returned_type == event_context_type,
 563                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 564         bt_put(returned_type);
 565
 566         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 567
 568         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 569                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 570         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 571                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 572         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 573                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 574         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 575                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 576         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 577         ok(ret_event_class == simple_event_class,
 578                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 579         bt_put(ret_event_class);
 580         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 581                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 582         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 583                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 584         ret_event_class =
 585                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 586         ok(ret_event_class == simple_event_class,
 587                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 588         bt_put(ret_event_class);
 589
 590         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 591                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 592         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 593                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 594         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 595                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 596         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 597         ok(ret_event_class == simple_event_class,
 598                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 599         bt_put(ret_event_class);
 600
 601         simple_event = bt_ctf_event_create(simple_event_class);
 602         ok(simple_event,
 603                 "Instantiate an event containing a single integer field");
 604
 605         ok(bt_ctf_event_get_clock(NULL) == NULL,
 606                 "bt_ctf_event_get_clock handles NULL correctly");
 607         ret_clock = bt_ctf_event_get_clock(simple_event);
 608         ok(ret_clock == clock,
 609                 "bt_ctf_event_get_clock returns a correct clock");
 610         bt_put(clock);
 611
 612         integer_field = bt_ctf_field_create(uint_12_type);
 613         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 614         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 615                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 616
 617         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 618         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 619                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 620         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 621         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 622                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 623         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 624                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 625         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 626                 "bt_ctf_field_floating_point_get_value returns a double value");
 627         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 628                 "bt_ctf_field_floating_point_get_value returns a correct value");
 629
 630         enum_field = bt_ctf_field_create(enum_type);
 631         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 632         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 633         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 634         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 635         enum_container_field = bt_ctf_field_enumeration_get_container(
 636                 enum_field);
 637         ok(bt_ctf_field_signed_integer_set_value(
 638                 enum_container_field, -42) == 0,
 639                 "Set signed enumeration container value");
 640         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 641         ok(!strcmp(ret_char, mapping_name_negative_test),
 642                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 643         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 644
 645         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 646         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 647                 enum_field_unsigned);
 648         ok(bt_ctf_field_unsigned_integer_set_value(
 649                 enum_container_field_unsigned, 42) == 0,
 650                 "Set unsigned enumeration container value");
 651         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 652                 enum_field_unsigned);
 653         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 654         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 655                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 656
 657         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 658
 659         /* Populate stream event context */
 660         stream_event_context = bt_ctf_stream_get_event_context(stream);
 661         stream_event_context_field = bt_ctf_field_structure_get_field(
 662                 stream_event_context, "common_event_context");
 663         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 664
 665         /* Populate the event's context */
 666         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 667                 "bt_ctf_event_get_event_context handles NULL correctly");
 668         event_context = bt_ctf_event_get_event_context(simple_event);
 669         ok(event_context,
 670                 "bt_ctf_event_get_event_context returns a field");
 671         returned_type = bt_ctf_field_get_type(event_context);
 672         ok(returned_type == event_context_type,
 673                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 674         event_context_field = bt_ctf_field_structure_get_field(event_context,
 675                 "event_specific_context");
 676         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 677                 "Successfully set an event context's value");
 678         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 679                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 680         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 681                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 682         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 683                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 684         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 685                 "Set an event context successfully");
 686
 687         event_copy_tests(simple_event);
 688         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 689                 "Append simple event to trace stream");
 690
 691         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 692                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 693         packet_context = bt_ctf_stream_get_packet_context(stream);
 694         ok(packet_context,
 695                 "bt_ctf_stream_get_packet_context returns a packet context");
 696
 697         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 698                 "packet_size");
 699         ok(packet_context_field,
 700                 "Packet context contains the default packet_size field.");
 701         bt_put(packet_context_field);
 702         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 703                 "custom_packet_context_field");
 704         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 705                 "Custom packet context field value successfully set.");
 706
 707         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 708                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 709         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 710                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 711         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 712                 "Successfully set a stream's packet context");
 713
 714         ok(bt_ctf_stream_flush(stream) == 0,
 715                 "Flush trace stream with one event");
 716
 717         bt_put(simple_event_class);
 718         bt_put(simple_event);
 719         bt_put(uint_12_type);
 720         bt_put(int_64_type);
 721         bt_put(float_type);
 722         bt_put(enum_type);
 723         bt_put(enum_type_unsigned);
 724         bt_put(returned_type);
 725         bt_put(event_context_type);
 726         bt_put(integer_field);
 727         bt_put(float_field);
 728         bt_put(enum_field);
 729         bt_put(enum_field_unsigned);
 730         bt_put(enum_container_field);
 731         bt_put(enum_container_field_unsigned);
 732         bt_put(packet_context);
 733         bt_put(packet_context_field);
 734         bt_put(stream_event_context);
 735         bt_put(stream_event_context_field);
 736         bt_put(event_context);
 737         bt_put(event_context_field);
 738 }
 739
 740 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 741                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 742 {
 743         struct event_class_attrs_counts {
 744                 int id;
 745                 int name;
 746                 int loglevel;
 747                 int modelemfuri;
 748                 int unknown;
 749         } attrs_count;
 750
 751         int i;
 752         int ret;
 753         int64_t int64_value;
 754         struct event_class_attrs_counts ;
 755         const char *complex_test_event_string = "Complex Test Event";
 756         const char *test_string_1 = "Test ";
 757         const char *test_string_2 = "string ";
 758         const char *test_string_3 = "abcdefghi";
 759         const char *test_string_4 = "abcd\0efg\0hi";
 760         const char *test_string_cat = "Test string abcdeabcd";
 761         struct bt_ctf_field_type *uint_35_type =
 762                 bt_ctf_field_type_integer_create(35);
 763         struct bt_ctf_field_type *int_16_type =
 764                 bt_ctf_field_type_integer_create(16);
 765         struct bt_ctf_field_type *uint_3_type =
 766                 bt_ctf_field_type_integer_create(3);
 767         struct bt_ctf_field_type *enum_variant_type =
 768                 bt_ctf_field_type_enumeration_create(uint_3_type);
 769         struct bt_ctf_field_type *variant_type =
 770                 bt_ctf_field_type_variant_create(enum_variant_type,
 771                         "variant_selector");
 772         struct bt_ctf_field_type *string_type =
 773                 bt_ctf_field_type_string_create();
 774         struct bt_ctf_field_type *sequence_type;
 775         struct bt_ctf_field_type *array_type;
 776         struct bt_ctf_field_type *inner_structure_type =
 777                 bt_ctf_field_type_structure_create();
 778         struct bt_ctf_field_type *complex_structure_type =
 779                 bt_ctf_field_type_structure_create();
 780         struct bt_ctf_field_type *ret_field_type;
 781         struct bt_ctf_event_class *event_class;
 782         struct bt_ctf_event *event;
 783         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 784                 *inner_structure_field, *complex_structure_field,
 785                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 786                 *variant_field, *an_array_field, *ret_field;
 787         uint64_t ret_unsigned_int;
 788         int64_t ret_signed_int;
 789         const char *ret_string;
 790         struct bt_ctf_stream_class *ret_stream_class;
 791         struct bt_ctf_event_class *ret_event_class;
 792         struct bt_ctf_field *packet_context, *packet_context_field;
 793         struct bt_value *obj;
 794
 795         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 796                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 797         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 798                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 799         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 800                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 801         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 802                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 803         bt_ctf_field_type_set_alignment(int_16_type, 32);
 804         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 805         bt_ctf_field_type_integer_set_base(uint_35_type,
 806                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 807
 808         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 809         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 810                 "seq_len");
 811
 812         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 813                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 814         ret_field_type = bt_ctf_field_type_array_get_element_type(
 815                 array_type);
 816         ok(ret_field_type == int_16_type,
 817                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 818         bt_put(ret_field_type);
 819
 820         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 821                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 822         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 823                 "bt_ctf_field_type_array_get_length returns the correct length");
 824
 825         bt_ctf_field_type_structure_add_field(inner_structure_type,
 826                 uint_35_type, "seq_len");
 827         bt_ctf_field_type_structure_add_field(inner_structure_type,
 828                 sequence_type, "a_sequence");
 829         bt_ctf_field_type_structure_add_field(inner_structure_type,
 830                 array_type, "an_array");
 831
 832         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 833                 "UINT3_TYPE", 0, 0);
 834         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 835                 "INT16_TYPE", 1, 1);
 836         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 837                 "UINT35_TYPE", 2, 7);
 838
 839         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 840                 "INT16_TYPE") < 0,
 841                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 842         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 843                 enum_variant_type, NULL) < 0,
 844                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 845         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 846                 enum_variant_type, "INT16_TYPE") == 1,
 847                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 848
 849         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 850                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 851         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 852                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 853         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 854                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 855
 856         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 857                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 858         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 859                 "UINT3_TYPE") == 0, "Add a field to a variant");
 860         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 861                 "INT16_TYPE");
 862         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 863                 "UINT35_TYPE");
 864
 865         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 866                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 867         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 868         ok(ret_field_type == enum_variant_type,
 869                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 870         bt_put(ret_field_type);
 871
 872         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 873                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 874         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 875         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 876                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 877         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 878                 "INT16_TYPE") == NULL,
 879                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 880         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 881                 NULL) == NULL,
 882                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 883         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 884                 variant_type, "INT16_TYPE");
 885         ok(ret_field_type == int_16_type,
 886                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 887         bt_put(ret_field_type);
 888
 889         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 890                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 891         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 892                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 893
 894         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 895                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 896         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 897                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 898         bt_put(ret_field_type);
 899         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 900                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 901         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 902                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 903         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 904                 "bt_ctf_field_type_variant_get_field returns a field");
 905         ok(!strcmp("INT16_TYPE", ret_string),
 906                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 907         ok(ret_field_type == int_16_type,
 908                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 909         bt_put(ret_field_type);
 910
 911         bt_ctf_field_type_structure_add_field(complex_structure_type,
 912                 enum_variant_type, "variant_selector");
 913         bt_ctf_field_type_structure_add_field(complex_structure_type,
 914                 string_type, "a_string");
 915         bt_ctf_field_type_structure_add_field(complex_structure_type,
 916                 variant_type, "variant_value");
 917         bt_ctf_field_type_structure_add_field(complex_structure_type,
 918                 inner_structure_type, "inner_structure");
 919
 920         ok(bt_ctf_event_class_create("clock") == NULL,
 921                 "Reject creation of an event class with an illegal name");
 922         event_class = bt_ctf_event_class_create(complex_test_event_string);
 923         ok(event_class, "Create an event class");
 924         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 925                 "Reject addition of a field with an empty name to an event");
 926         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 927                 "Reject addition of a field with a NULL type to an event");
 928         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 929                 "int"),
 930                 "Reject addition of a type with an illegal name to an event");
 931         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 932                 "uint_35") == 0,
 933                 "Add field of type unsigned integer to an event");
 934         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 935                 "int_16") == 0, "Add field of type signed integer to an event");
 936         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 937                 "complex_structure") == 0,
 938                 "Add composite structure to an event");
 939
 940         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 941                 "bt_ctf_event_class_get_name handles NULL correctly");
 942         ret_string = bt_ctf_event_class_get_name(event_class);
 943         ok(!strcmp(ret_string, complex_test_event_string),
 944                 "bt_ctf_event_class_get_name returns a correct name");
 945         ok(bt_ctf_event_class_get_id(event_class) < 0,
 946                 "bt_ctf_event_class_get_id returns a negative value when not set");
 947         ok(bt_ctf_event_class_get_id(NULL) < 0,
 948                 "bt_ctf_event_class_get_id handles NULL correctly");
 949         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 950                 "bt_ctf_event_class_set_id handles NULL correctly");
 951         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 952                 "Set an event class' id");
 953         ok(bt_ctf_event_class_get_id(event_class) == 42,
 954                 "bt_ctf_event_class_get_id returns the correct value");
 955
 956         /* Test event class attributes */
 957         obj = bt_value_integer_create_init(15);
 958         assert(obj);
 959         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 960                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 961         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 962                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 963         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 964                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 965         assert(!bt_value_integer_set(obj, -3));
 966         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 967                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 968         assert(!bt_value_integer_set(obj, 11));
 969         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 970         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 971                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 972         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 973         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 974         ok(ret,
 975                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 976         BT_PUT(obj);
 977
 978         obj = bt_value_integer_create_init(5);
 979         assert(obj);
 980         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 981                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 982         BT_PUT(obj);
 983         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 984                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 985         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 986                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 987         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 988                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 989         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 990                 "loglevel");
 991         int64_value = 0;
 992         ret = bt_value_integer_get(obj, &int64_value);
 993         ok(obj && !ret && int64_value == 5,
 994                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 995         BT_PUT(obj);
 996
 997         obj = bt_value_string_create_init("nu name");
 998         assert(obj);
 999         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1000         ret_string = bt_ctf_event_class_get_name(event_class);
1001         ok(!strcmp(ret_string, "nu name"),
1002                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1003         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1004         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1005         ok(ret,
1006                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1007         BT_PUT(obj);
1008         obj = bt_value_string_create_init("http://kernel.org/");
1009         assert(obj);
1010         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1011         BT_PUT(obj);
1012
1013         ok(bt_ctf_event_class_get_attribute_count(NULL),
1014                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1015         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1016                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1017         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1018                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1019         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1020                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1021         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1022                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1023         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1024                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1025
1026         memset(&attrs_count, 0, sizeof(attrs_count));
1027
1028         for (i = 0; i < 4; ++i) {
1029                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1030                         i);
1031                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1032                 assert(ret_string && obj);
1033
1034                 if (!strcmp(ret_string, "id")) {
1035                         attrs_count.id++;
1036                         ok(bt_value_is_integer(obj),
1037                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1038                                 ret_string);
1039                 } else if (!strcmp(ret_string, "name")) {
1040                         attrs_count.name++;
1041                         ok(bt_value_is_string(obj),
1042                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1043                                 ret_string);
1044                 } else if (!strcmp(ret_string, "loglevel")) {
1045                         attrs_count.loglevel++;
1046                         ok(bt_value_is_integer(obj),
1047                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1048                                 ret_string);
1049                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1050                         attrs_count.modelemfuri++;
1051                         ok(bt_value_is_string(obj),
1052                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1053                                 ret_string);
1054                 } else {
1055                         attrs_count.unknown++;
1056                 }
1057
1058                 BT_PUT(obj);
1059         }
1060
1061         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1062         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1063                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1064                 "event class has one instance of each known attribute");
1065
1066         /* Add event class to the stream class */
1067         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1068                 "Reject addition of NULL event class to a stream class");
1069         ok(bt_ctf_stream_class_add_event_class(stream_class,
1070                 event_class) == 0, "Add an event class to stream class");
1071
1072         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1073                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1074         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1075         ok(ret_stream_class == stream_class,
1076                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1077         bt_put(ret_stream_class);
1078
1079         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1080                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1081         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1082                 "bt_ctf_event_class_get_field_count returns a correct value");
1083
1084         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1085                 &ret_field_type, 0) < 0,
1086                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1087         ok(bt_ctf_event_class_get_field(event_class, NULL,
1088                 &ret_field_type, 0) == 0,
1089                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1090         bt_put(ret_field_type);
1091         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1092                 NULL, 0) == 0,
1093                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1094         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1095                 &ret_field_type, 42) < 0,
1096                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1097         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1098                 &ret_field_type, 0) == 0,
1099                 "bt_ctf_event_class_get_field returns a field");
1100         ok(ret_field_type == uint_35_type,
1101                 "bt_ctf_event_class_get_field returns a correct field type");
1102         bt_put(ret_field_type);
1103         ok(!strcmp(ret_string, "uint_35"),
1104                 "bt_ctf_event_class_get_field returns a correct field name");
1105         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1106                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1107         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1108                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1109         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1110                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1111         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1112                 "complex_structure");
1113         ok(ret_field_type == complex_structure_type,
1114                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1115         bt_put(ret_field_type);
1116
1117         event = bt_ctf_event_create(event_class);
1118         ok(event, "Instanciate a complex event");
1119
1120         ok(bt_ctf_event_get_class(NULL) == NULL,
1121                 "bt_ctf_event_get_class handles NULL correctly");
1122         ret_event_class = bt_ctf_event_get_class(event);
1123         ok(ret_event_class == event_class,
1124                 "bt_ctf_event_get_class returns the correct event class");
1125         bt_put(ret_event_class);
1126
1127         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1128         if (!uint_35_field) {
1129                 printf("uint_35_field is NULL\n");
1130         }
1131
1132         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1133         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1134         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1135                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1136         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1137                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1138         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1139                 &ret_unsigned_int) == 0,
1140                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1141         ok(ret_unsigned_int == 0x0DDF00D,
1142                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1143         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1144                 &ret_signed_int) < 0,
1145                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1146         bt_put(uint_35_field);
1147
1148         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1149         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1150         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1151                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1152         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1153                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1154         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1155                 &ret_signed_int) == 0,
1156                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1157         ok(ret_signed_int == -12345,
1158                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1159         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1160                 &ret_unsigned_int) < 0,
1161                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1162         bt_put(int_16_field);
1163
1164         complex_structure_field = bt_ctf_event_get_payload(event,
1165                 "complex_structure");
1166
1167         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1168                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1169         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1170                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1171         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1172                 complex_structure_field, 3);
1173         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1174         bt_put(inner_structure_field);
1175         ok(ret_field_type == inner_structure_type,
1176                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1177         bt_put(ret_field_type);
1178
1179         inner_structure_field = bt_ctf_field_structure_get_field(
1180                 complex_structure_field, "inner_structure");
1181         a_string_field = bt_ctf_field_structure_get_field(
1182                 complex_structure_field, "a_string");
1183         enum_variant_field = bt_ctf_field_structure_get_field(
1184                 complex_structure_field, "variant_selector");
1185         variant_field = bt_ctf_field_structure_get_field(
1186                 complex_structure_field, "variant_value");
1187         uint_35_field = bt_ctf_field_structure_get_field(
1188                 inner_structure_field, "seq_len");
1189         a_sequence_field = bt_ctf_field_structure_get_field(
1190                 inner_structure_field, "a_sequence");
1191         an_array_field = bt_ctf_field_structure_get_field(
1192                 inner_structure_field, "an_array");
1193
1194         enum_container_field = bt_ctf_field_enumeration_get_container(
1195                 enum_variant_field);
1196         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1197         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1198                 enum_variant_field);
1199         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1200         bt_put(int_16_field);
1201         ok(!bt_ctf_field_string_get_value(a_string_field),
1202                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1203         bt_ctf_field_string_set_value(a_string_field,
1204                 test_string_1);
1205         ok(!bt_ctf_field_string_get_value(NULL),
1206                 "bt_ctf_field_string_get_value correctly handles NULL");
1207         ok(bt_ctf_field_string_append(NULL, "yeah"),
1208                 "bt_ctf_field_string_append correctly handles a NULL string field");
1209         ok(bt_ctf_field_string_append(a_string_field, NULL),
1210                 "bt_ctf_field_string_append correctly handles a NULL string value");
1211         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1212                 "bt_ctf_field_string_append succeeds");
1213         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1214                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1215         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1216                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1217         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1218                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1219         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1220                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1221         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1222                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1223         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1224                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1225
1226         ret_string = bt_ctf_field_string_get_value(a_string_field);
1227         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1228         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1229                 "bt_ctf_field_string_get_value returns a correct value");
1230         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1231                 SEQUENCE_TEST_LENGTH);
1232
1233         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1234                 enum_container_field) == NULL,
1235                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1236         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1237                 NULL) == NULL,
1238                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1239         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1240                 variant_type, enum_variant_field);
1241         ok(ret_field_type == int_16_type,
1242                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1243
1244         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1245                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1246         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1247                 uint_35_field) == 0, "Set a sequence field's length");
1248         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1249         ok(ret_field == uint_35_field,
1250                 "bt_ctf_field_sequence_get_length returns the correct length field");
1251         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1252                 "bt_ctf_field_sequence_get_length properly handles NULL");
1253
1254         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1255                 int_16_field = bt_ctf_field_sequence_get_field(
1256                         a_sequence_field, i);
1257                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1258                 bt_put(int_16_field);
1259         }
1260
1261         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1262                 int_16_field = bt_ctf_field_array_get_field(
1263                         an_array_field, i);
1264                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1265                 bt_put(int_16_field);
1266         }
1267
1268         bt_ctf_clock_set_time(clock, ++current_time);
1269         ok(bt_ctf_stream_append_event(stream, event) == 0,
1270                 "Append a complex event to a stream");
1271
1272         /*
1273          * Populate the custom packet context field with a dummy value
1274          * otherwise flush will fail.
1275          */
1276         packet_context = bt_ctf_stream_get_packet_context(stream);
1277         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1278                 "custom_packet_context_field");
1279         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1280
1281         ok(bt_ctf_stream_flush(stream) == 0,
1282                 "Flush a stream containing a complex event");
1283
1284         bt_put(uint_35_field);
1285         bt_put(a_string_field);
1286         bt_put(inner_structure_field);
1287         bt_put(complex_structure_field);
1288         bt_put(a_sequence_field);
1289         bt_put(an_array_field);
1290         bt_put(enum_variant_field);
1291         bt_put(enum_container_field);
1292         bt_put(variant_field);
1293         bt_put(ret_field);
1294         bt_put(packet_context_field);
1295         bt_put(packet_context);
1296         bt_put(uint_35_type);
1297         bt_put(int_16_type);
1298         bt_put(string_type);
1299         bt_put(sequence_type);
1300         bt_put(array_type);
1301         bt_put(inner_structure_type);
1302         bt_put(complex_structure_type);
1303         bt_put(uint_3_type);
1304         bt_put(enum_variant_type);
1305         bt_put(variant_type);
1306         bt_put(ret_field_type);
1307         bt_put(event_class);
1308         bt_put(event);
1309 }
1310
1311 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1312         struct bt_ctf_field_type *expected_type, const char *name)
1313 {
1314         struct bt_ctf_field_type *copy_type;
1315
1316         copy_type = bt_ctf_field_get_type(field);
1317         ok(copy_type == expected_type,
1318                 "bt_ctf_field_copy does not copy the type (%s)", name);
1319         bt_put(copy_type);
1320 }
1321
1322 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1323         struct bt_ctf_field *field_b, const char *name)
1324 {
1325         ok(field_a != field_b,
1326                 "bt_ctf_field_copy creates different pointers (%s)", name);
1327 }
1328
1329 void field_copy_tests()
1330 {
1331         struct bt_ctf_field_type *len_type = NULL;
1332         struct bt_ctf_field_type *fp_type = NULL;
1333         struct bt_ctf_field_type *s_type = NULL;
1334         struct bt_ctf_field_type *e_int_type = NULL;
1335         struct bt_ctf_field_type *e_type = NULL;
1336         struct bt_ctf_field_type *v_type = NULL;
1337         struct bt_ctf_field_type *v_label1_type = NULL;
1338         struct bt_ctf_field_type *v_label1_array_type = NULL;
1339         struct bt_ctf_field_type *v_label2_type = NULL;
1340         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1341         struct bt_ctf_field_type *strct_type = NULL;
1342         struct bt_ctf_field *len = NULL;
1343         struct bt_ctf_field *fp = NULL;
1344         struct bt_ctf_field *s = NULL;
1345         struct bt_ctf_field *e_int = NULL;
1346         struct bt_ctf_field *e = NULL;
1347         struct bt_ctf_field *v = NULL;
1348         struct bt_ctf_field *v_selected = NULL;
1349         struct bt_ctf_field *v_selected_cur = NULL;
1350         struct bt_ctf_field *v_selected_0 = NULL;
1351         struct bt_ctf_field *v_selected_1 = NULL;
1352         struct bt_ctf_field *v_selected_2 = NULL;
1353         struct bt_ctf_field *v_selected_3 = NULL;
1354         struct bt_ctf_field *v_selected_4 = NULL;
1355         struct bt_ctf_field *v_selected_5 = NULL;
1356         struct bt_ctf_field *v_selected_6 = NULL;
1357         struct bt_ctf_field *a = NULL;
1358         struct bt_ctf_field *a_0 = NULL;
1359         struct bt_ctf_field *a_1 = NULL;
1360         struct bt_ctf_field *a_2 = NULL;
1361         struct bt_ctf_field *a_3 = NULL;
1362         struct bt_ctf_field *a_4 = NULL;
1363         struct bt_ctf_field *strct = NULL;
1364         struct bt_ctf_field *len_copy = NULL;
1365         struct bt_ctf_field *fp_copy = NULL;
1366         struct bt_ctf_field *s_copy = NULL;
1367         struct bt_ctf_field *e_int_copy = NULL;
1368         struct bt_ctf_field *e_copy = NULL;
1369         struct bt_ctf_field *v_copy = NULL;
1370         struct bt_ctf_field *v_selected_copy = NULL;
1371         struct bt_ctf_field *v_selected_copy_len = NULL;
1372         struct bt_ctf_field *v_selected_0_copy = NULL;
1373         struct bt_ctf_field *v_selected_1_copy = NULL;
1374         struct bt_ctf_field *v_selected_2_copy = NULL;
1375         struct bt_ctf_field *v_selected_3_copy = NULL;
1376         struct bt_ctf_field *v_selected_4_copy = NULL;
1377         struct bt_ctf_field *v_selected_5_copy = NULL;
1378         struct bt_ctf_field *v_selected_6_copy = NULL;
1379         struct bt_ctf_field *a_copy = NULL;
1380         struct bt_ctf_field *a_0_copy = NULL;
1381         struct bt_ctf_field *a_1_copy = NULL;
1382         struct bt_ctf_field *a_2_copy = NULL;
1383         struct bt_ctf_field *a_3_copy = NULL;
1384         struct bt_ctf_field *a_4_copy = NULL;
1385         struct bt_ctf_field *strct_copy = NULL;
1386         uint64_t uint64_t_val;
1387         const char *str_val;
1388         double double_val;
1389         int ret;
1390
1391         /* create len type */
1392         len_type = bt_ctf_field_type_integer_create(32);
1393         assert(len_type);
1394
1395         /* create fp type */
1396         fp_type = bt_ctf_field_type_floating_point_create();
1397         assert(fp_type);
1398
1399         /* create s type */
1400         s_type = bt_ctf_field_type_string_create();
1401         assert(s_type);
1402
1403         /* create e_int type */
1404         e_int_type = bt_ctf_field_type_integer_create(8);
1405         assert(e_int_type);
1406
1407         /* create e type */
1408         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1409         assert(e_type);
1410         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1411                 10, 15);
1412         assert(!ret);
1413         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1414                 23, 23);
1415         assert(!ret);
1416
1417         /* create v_label1 type */
1418         v_label1_type = bt_ctf_field_type_string_create();
1419         assert(v_label1_type);
1420
1421         /* create v_label1_array type */
1422         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1423         assert(v_label1_array_type);
1424
1425         /* create v_label2 type */
1426         v_label2_type = bt_ctf_field_type_integer_create(16);
1427         assert(v_label2_type);
1428
1429         /* create v_label2_seq type */
1430         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1431                 "len");
1432         assert(v_label2_seq_type);
1433
1434         /* create v type */
1435         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1436         assert(v_type);
1437         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1438                 "LABEL1");
1439         assert(!ret);
1440         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1441                 "LABEL2");
1442         assert(!ret);
1443
1444         /* create strct type */
1445         strct_type = bt_ctf_field_type_structure_create();
1446         assert(strct_type);
1447         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1448                 "len");
1449         assert(!ret);
1450         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1451         assert(!ret);
1452         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1453         assert(!ret);
1454         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1455         assert(!ret);
1456         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1457         assert(!ret);
1458         ret = bt_ctf_field_type_structure_add_field(strct_type,
1459                 v_label1_array_type, "a");
1460         assert(!ret);
1461
1462         /* create strct */
1463         strct = bt_ctf_field_create(strct_type);
1464         assert(strct);
1465
1466         /* get len field */
1467         len = bt_ctf_field_structure_get_field(strct, "len");
1468         assert(len);
1469
1470         /* get fp field */
1471         fp = bt_ctf_field_structure_get_field(strct, "fp");
1472         assert(fp);
1473
1474         /* get s field */
1475         s = bt_ctf_field_structure_get_field(strct, "s");
1476         assert(s);
1477
1478         /* get e field */
1479         e = bt_ctf_field_structure_get_field(strct, "e");
1480         assert(e);
1481
1482         /* get e_int (underlying integer) */
1483         e_int = bt_ctf_field_enumeration_get_container(e);
1484         assert(e_int);
1485
1486         /* get v field */
1487         v = bt_ctf_field_structure_get_field(strct, "v");
1488         assert(v);
1489
1490         /* get a field */
1491         a = bt_ctf_field_structure_get_field(strct, "a");
1492         assert(a);
1493
1494         /* set len field */
1495         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1496         assert(!ret);
1497
1498         /* set fp field */
1499         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1500         assert(!ret);
1501
1502         /* set s field */
1503         ret = bt_ctf_field_string_set_value(s, "btbt");
1504         assert(!ret);
1505
1506         /* set e field (LABEL2) */
1507         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1508         assert(!ret);
1509
1510         /* set v field */
1511         v_selected = bt_ctf_field_variant_get_field(v, e);
1512         assert(v_selected);
1513         ok(!bt_ctf_field_variant_get_current_field(NULL),
1514                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1515         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1516         ok(v_selected_cur == v_selected,
1517                 "bt_ctf_field_variant_get_current_field returns the current field");
1518         bt_put(v_selected_cur);
1519
1520         /* set selected v field */
1521         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1522         assert(!ret);
1523         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1524         assert(v_selected_0);
1525         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1526         assert(!ret);
1527         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1528         assert(v_selected_1);
1529         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1530         assert(!ret);
1531         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1532         assert(v_selected_2);
1533         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1534         assert(!ret);
1535         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1536         assert(v_selected_3);
1537         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1538         assert(!ret);
1539         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1540         assert(v_selected_4);
1541         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1542         assert(!ret);
1543         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1544         assert(v_selected_5);
1545         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1546         assert(!ret);
1547         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1548         assert(v_selected_6);
1549         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1550         assert(!ret);
1551
1552         /* set a field */
1553         a_0 = bt_ctf_field_array_get_field(a, 0);
1554         assert(a_0);
1555         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1556         assert(!ret);
1557         a_1 = bt_ctf_field_array_get_field(a, 1);
1558         assert(a_1);
1559         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1560         assert(!ret);
1561         a_2 = bt_ctf_field_array_get_field(a, 2);
1562         assert(a_2);
1563         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1564         assert(!ret);
1565         a_3 = bt_ctf_field_array_get_field(a, 3);
1566         assert(a_3);
1567         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1568         assert(!ret);
1569         a_4 = bt_ctf_field_array_get_field(a, 4);
1570         assert(a_4);
1571         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1572         assert(!ret);
1573
1574         /* create copy of strct */
1575         ok(!bt_ctf_field_copy(NULL),
1576                 "bt_ctf_field_copy handles NULL correctly");
1577         strct_copy = bt_ctf_field_copy(strct);
1578         ok(strct_copy,
1579                 "bt_ctf_field_copy returns a valid pointer");
1580
1581         /* get all copied fields */
1582         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1583         assert(len_copy);
1584         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1585         assert(fp_copy);
1586         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1587         assert(s_copy);
1588         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1589         assert(e_copy);
1590         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1591         assert(e_int_copy);
1592         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1593         assert(v_copy);
1594         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1595         assert(v_selected_copy);
1596         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1597         assert(v_selected_0_copy);
1598         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1599         assert(v_selected_1_copy);
1600         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1601         assert(v_selected_2_copy);
1602         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1603         assert(v_selected_3_copy);
1604         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1605         assert(v_selected_4_copy);
1606         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1607         assert(v_selected_5_copy);
1608         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1609         assert(v_selected_6_copy);
1610         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1611                 "sequence field copy is not too large");
1612         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1613         assert(a_copy);
1614         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1615         assert(a_0_copy);
1616         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1617         assert(a_1_copy);
1618         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1619         assert(a_2_copy);
1620         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1621         assert(a_3_copy);
1622         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1623         assert(a_4_copy);
1624         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1625                 "array field copy is not too large");
1626
1627         /* make sure copied fields are different pointers */
1628         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1629         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1630         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1631         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1632         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1633         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1634         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1635         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1636                 "v_selected");
1637         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1638                 "v_selected_0");
1639         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1640                 "v_selected_1");
1641         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1642                 "v_selected_2");
1643         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1644                 "v_selected_3");
1645         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1646                 "v_selected_4");
1647         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1648                 "v_selected_5");
1649         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1650                 "v_selected_6");
1651         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1652         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1653         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1654         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1655         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1656         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1657
1658         /* make sure copied fields share the same types */
1659         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1660         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1661         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1662         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1663         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1664         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1665         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1666                 "v_selected");
1667         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1668                 "v_selected_0");
1669         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1670                 "v_selected_1");
1671         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1672                 "v_selected_2");
1673         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1674                 "v_selected_3");
1675         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1676                 "v_selected_4");
1677         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1678                 "v_selected_5");
1679         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1680                 "v_selected_6");
1681         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1682         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1683         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1684         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1685         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1686         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1687
1688         /* validate len copy */
1689         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1690         assert(!ret);
1691         ok(uint64_t_val == 7,
1692                 "bt_ctf_field_copy creates a valid integer field copy");
1693
1694         /* validate fp copy */
1695         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1696         assert(!ret);
1697         ok(double_val == 3.14,
1698                 "bt_ctf_field_copy creates a valid floating point number field copy");
1699
1700         /* validate s copy */
1701         str_val = bt_ctf_field_string_get_value(s_copy);
1702         ok(str_val && !strcmp(str_val, "btbt"),
1703                 "bt_ctf_field_copy creates a valid string field copy");
1704
1705         /* validate e_int copy */
1706         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1707                 &uint64_t_val);
1708         assert(!ret);
1709         ok(uint64_t_val == 23,
1710                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1711
1712         /* validate e copy */
1713         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1714         ok(str_val && !strcmp(str_val, "LABEL2"),
1715                 "bt_ctf_field_copy creates a valid enum field copy");
1716
1717         /* validate v_selected copy */
1718         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1719         assert(v_selected_copy_len);
1720         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1721                 &uint64_t_val);
1722         assert(!ret);
1723         ok(uint64_t_val == 7,
1724                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1725         bt_put(v_selected_copy_len);
1726         v_selected_copy_len = NULL;
1727
1728         /* validate v_selected copy fields */
1729         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1730                 &uint64_t_val);
1731         assert(!ret);
1732         ok(uint64_t_val == 7,
1733                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1734         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1735                 &uint64_t_val);
1736         assert(!ret);
1737         ok(uint64_t_val == 6,
1738                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1739         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1740                 &uint64_t_val);
1741         assert(!ret);
1742         ok(uint64_t_val == 5,
1743                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1744         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1745                 &uint64_t_val);
1746         assert(!ret);
1747         ok(uint64_t_val == 4,
1748                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1749         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1750                 &uint64_t_val);
1751         assert(!ret);
1752         ok(uint64_t_val == 3,
1753                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1754         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1755                 &uint64_t_val);
1756         assert(!ret);
1757         ok(uint64_t_val == 2,
1758                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1759         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1760                 &uint64_t_val);
1761         assert(!ret);
1762         ok(uint64_t_val == 1,
1763                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1764
1765         /* validate a copy fields */
1766         str_val = bt_ctf_field_string_get_value(a_0_copy);
1767         ok(str_val && !strcmp(str_val, "a_0"),
1768                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1769         str_val = bt_ctf_field_string_get_value(a_1_copy);
1770         ok(str_val && !strcmp(str_val, "a_1"),
1771                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1772         str_val = bt_ctf_field_string_get_value(a_2_copy);
1773         ok(str_val && !strcmp(str_val, "a_2"),
1774                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1775         str_val = bt_ctf_field_string_get_value(a_3_copy);
1776         ok(str_val && !strcmp(str_val, "a_3"),
1777                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1778         str_val = bt_ctf_field_string_get_value(a_4_copy);
1779         ok(str_val && !strcmp(str_val, "a_4"),
1780                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1781
1782         /* put everything */
1783         bt_put(len_type);
1784         bt_put(fp_type);
1785         bt_put(s_type);
1786         bt_put(e_int_type);
1787         bt_put(e_type);
1788         bt_put(v_type);
1789         bt_put(v_label1_type);
1790         bt_put(v_label1_array_type);
1791         bt_put(v_label2_type);
1792         bt_put(v_label2_seq_type);
1793         bt_put(strct_type);
1794         bt_put(len);
1795         bt_put(fp);
1796         bt_put(s);
1797         bt_put(e_int);
1798         bt_put(e);
1799         bt_put(v);
1800         bt_put(v_selected);
1801         bt_put(v_selected_0);
1802         bt_put(v_selected_1);
1803         bt_put(v_selected_2);
1804         bt_put(v_selected_3);
1805         bt_put(v_selected_4);
1806         bt_put(v_selected_5);
1807         bt_put(v_selected_6);
1808         bt_put(a);
1809         bt_put(a_0);
1810         bt_put(a_1);
1811         bt_put(a_2);
1812         bt_put(a_3);
1813         bt_put(a_4);
1814         bt_put(strct);
1815         bt_put(len_copy);
1816         bt_put(fp_copy);
1817         bt_put(s_copy);
1818         bt_put(e_int_copy);
1819         bt_put(e_copy);
1820         bt_put(v_copy);
1821         bt_put(v_selected_copy);
1822         bt_put(v_selected_0_copy);
1823         bt_put(v_selected_1_copy);
1824         bt_put(v_selected_2_copy);
1825         bt_put(v_selected_3_copy);
1826         bt_put(v_selected_4_copy);
1827         bt_put(v_selected_5_copy);
1828         bt_put(v_selected_6_copy);
1829         bt_put(a_copy);
1830         bt_put(a_0_copy);
1831         bt_put(a_1_copy);
1832         bt_put(a_2_copy);
1833         bt_put(a_3_copy);
1834         bt_put(a_4_copy);
1835         bt_put(strct_copy);
1836 }
1837
1838 void type_field_tests()
1839 {
1840         struct bt_ctf_field *uint_12;
1841         struct bt_ctf_field *int_16;
1842         struct bt_ctf_field *string;
1843         struct bt_ctf_field *enumeration;
1844         struct bt_ctf_field_type *composite_structure_type;
1845         struct bt_ctf_field_type *structure_seq_type;
1846         struct bt_ctf_field_type *string_type;
1847         struct bt_ctf_field_type *sequence_type;
1848         struct bt_ctf_field_type *uint_8_type;
1849         struct bt_ctf_field_type *int_16_type;
1850         struct bt_ctf_field_type *uint_12_type =
1851                 bt_ctf_field_type_integer_create(12);
1852         struct bt_ctf_field_type *enumeration_type;
1853         struct bt_ctf_field_type *enumeration_sequence_type;
1854         struct bt_ctf_field_type *enumeration_array_type;
1855         struct bt_ctf_field_type *returned_type;
1856         const char *ret_string;
1857
1858         returned_type = bt_ctf_field_get_type(NULL);
1859         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1860
1861         ok(uint_12_type, "Create an unsigned integer type");
1862         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1863                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1864                 "Set integer type's base as binary");
1865         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1866                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1867                 "Set integer type's base as decimal");
1868         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1869                 BT_CTF_INTEGER_BASE_UNKNOWN),
1870                 "Reject integer type's base set as unknown");
1871         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1872                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1873                 "Set integer type's base as octal");
1874         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1875                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1876                 "Set integer type's base as hexadecimal");
1877         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1878                 "Reject unknown integer base value");
1879         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1880                 "Set integer type signedness to signed");
1881         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1882                 "Set integer type signedness to unsigned");
1883         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1884                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1885         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1886                 "bt_ctf_field_type_integer_get_size returns a correct value");
1887         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1888                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1889         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1890                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1891
1892         ok(bt_ctf_field_type_set_byte_order(NULL,
1893                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1894                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1895         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1896                 (enum bt_ctf_byte_order) 42) < 0,
1897                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1898         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1899                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1900                 "Set an integer's byte order to little endian");
1901         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1902                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1903                 "Set an integer's byte order to big endian");
1904         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1905                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1906                 "bt_ctf_field_type_get_byte_order returns a correct value");
1907         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1908                 BT_CTF_BYTE_ORDER_UNKNOWN,
1909                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1910
1911         ok(bt_ctf_field_type_get_type_id(NULL) ==
1912                 CTF_TYPE_UNKNOWN,
1913                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1914         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1915                 CTF_TYPE_INTEGER,
1916                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1917
1918         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1919                 BT_CTF_INTEGER_BASE_UNKNOWN,
1920                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1921         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1922                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1923                 "bt_ctf_field_type_integer_get_base returns a correct value");
1924
1925         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1926                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1927         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1928                 (enum ctf_string_encoding) 123) < 0,
1929                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1930         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1931                 CTF_STRING_UTF8) == 0,
1932                 "Set integer type encoding to UTF8");
1933         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1934                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1935         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1936                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1937
1938         int_16_type = bt_ctf_field_type_integer_create(16);
1939         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1940         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1941                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1942         uint_8_type = bt_ctf_field_type_integer_create(8);
1943         sequence_type =
1944                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1945         ok(sequence_type, "Create a sequence of int16_t type");
1946         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1947                 CTF_TYPE_SEQUENCE,
1948                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1949
1950         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1951                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1952         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1953                 sequence_type);
1954         ok(!strcmp(ret_string, "seq_len"),
1955                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1956         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1957                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1958         returned_type = bt_ctf_field_type_sequence_get_element_type(
1959                 sequence_type);
1960         ok(returned_type == int_16_type,
1961                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1962         bt_put(returned_type);
1963
1964         string_type = bt_ctf_field_type_string_create();
1965         ok(string_type, "Create a string type");
1966         ok(bt_ctf_field_type_string_set_encoding(string_type,
1967                 CTF_STRING_NONE),
1968                 "Reject invalid \"None\" string encoding");
1969         ok(bt_ctf_field_type_string_set_encoding(string_type,
1970                 42),
1971                 "Reject invalid string encoding");
1972         ok(bt_ctf_field_type_string_set_encoding(string_type,
1973                 CTF_STRING_ASCII) == 0,
1974                 "Set string encoding to ASCII");
1975
1976         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1977                 CTF_STRING_UNKNOWN,
1978                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1979         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1980                 CTF_STRING_ASCII,
1981                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1982
1983         structure_seq_type = bt_ctf_field_type_structure_create();
1984         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1985                 CTF_TYPE_STRUCT,
1986                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1987         ok(structure_seq_type, "Create a structure type");
1988         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1989                 uint_8_type, "seq_len") == 0,
1990                 "Add a uint8_t type to a structure");
1991         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1992                 sequence_type, "a_sequence") == 0,
1993                 "Add a sequence type to a structure");
1994
1995         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1996                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1997         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1998                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1999
2000         ok(bt_ctf_field_type_structure_get_field(NULL,
2001                 &ret_string, &returned_type, 1) < 0,
2002                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2003         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2004                 NULL, &returned_type, 1) == 0,
2005                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2006         bt_put(returned_type);
2007         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2008                 &ret_string, NULL, 1) == 0,
2009                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2010         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2011                 &ret_string, &returned_type, 10) < 0,
2012                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2013         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2014                 &ret_string, &returned_type, 1) == 0,
2015                 "bt_ctf_field_type_structure_get_field returns a field");
2016         ok(!strcmp(ret_string, "a_sequence"),
2017                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2018         ok(returned_type == sequence_type,
2019                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2020         bt_put(returned_type);
2021
2022         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2023                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2024         ok(bt_ctf_field_type_structure_get_field_type_by_name(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 the correct field type");
2030         bt_put(returned_type);
2031
2032         composite_structure_type = bt_ctf_field_type_structure_create();
2033         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2034                 string_type, "a_string") == 0,
2035                 "Add a string type to a structure");
2036         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2037                 structure_seq_type, "inner_structure") == 0,
2038                 "Add a structure type to a structure");
2039
2040         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2041                 NULL, "a_sequence") == NULL,
2042                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2043         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2044                 structure_seq_type, NULL) == NULL,
2045                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2046         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2047                 structure_seq_type, "a_sequence");
2048         ok(returned_type == sequence_type,
2049                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2050         bt_put(returned_type);
2051
2052         int_16 = bt_ctf_field_create(int_16_type);
2053         ok(int_16, "Instanciate a signed 16-bit integer");
2054         uint_12 = bt_ctf_field_create(uint_12_type);
2055         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2056         returned_type = bt_ctf_field_get_type(int_16);
2057         ok(returned_type == int_16_type,
2058                 "bt_ctf_field_get_type returns the correct type");
2059
2060         /* Can't modify types after instanciating them */
2061         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2062                 BT_CTF_INTEGER_BASE_DECIMAL),
2063                 "Check an integer type' base can't be modified after instanciation");
2064         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2065                 "Check an integer type's signedness can't be modified after instanciation");
2066
2067         /* Check signed property is checked */
2068         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2069                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2070         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2071                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2072
2073         /* Check overflows are properly tested for */
2074         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2075                 "Check -32768 is allowed for a signed 16-bit integer");
2076         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2077                 "Check 32767 is allowed for a signed 16-bit integer");
2078         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2079                 "Check 32768 is not allowed for a signed 16-bit integer");
2080         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2081                 "Check -32769 is not allowed for a signed 16-bit integer");
2082         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2083                 "Check -42 is allowed for a signed 16-bit integer");
2084
2085         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2086                 "Check 4095 is allowed for an unsigned 12-bit integer");
2087         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2088                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2089         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2090                 "Check 0 is allowed for an unsigned 12-bit integer");
2091
2092         string = bt_ctf_field_create(string_type);
2093         ok(string, "Instanciate a string field");
2094         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2095                 "Set a string's value");
2096
2097         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2098         ok(enumeration_type,
2099                 "Create an enumeration type with an unsigned 12-bit integer as container");
2100         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
2101                 enumeration_type, "count");
2102         ok(!enumeration_sequence_type,
2103                 "Check enumeration types are validated when creating a sequence");
2104         enumeration_array_type = bt_ctf_field_type_array_create(
2105                 enumeration_type, 10);
2106         ok(!enumeration_array_type,
2107                 "Check enumeration types are validated when creating an array");
2108         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2109                 enumeration_type, "enumeration"),
2110                 "Check enumeration types are validated when adding them as structure members");
2111         enumeration = bt_ctf_field_create(enumeration_type);
2112         ok(!enumeration,
2113                 "Check enumeration types are validated before instantiation");
2114
2115         bt_put(string);
2116         bt_put(uint_12);
2117         bt_put(int_16);
2118         bt_put(enumeration);
2119         bt_put(composite_structure_type);
2120         bt_put(structure_seq_type);
2121         bt_put(string_type);
2122         bt_put(sequence_type);
2123         bt_put(uint_8_type);
2124         bt_put(int_16_type);
2125         bt_put(uint_12_type);
2126         bt_put(enumeration_type);
2127         bt_put(enumeration_sequence_type);
2128         bt_put(enumeration_array_type);
2129         bt_put(returned_type);
2130 }
2131
2132 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2133                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2134 {
2135         /*
2136          * Append enough events to force the underlying packet to be resized.
2137          * Also tests that a new event can be declared after a stream has been
2138          * instantiated and used/flushed.
2139          */
2140         int ret = 0;
2141         int i;
2142         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2143                 "Spammy_Event");
2144         struct bt_ctf_field_type *integer_type =
2145                 bt_ctf_field_type_integer_create(17);
2146         struct bt_ctf_field_type *string_type =
2147                 bt_ctf_field_type_string_create();
2148         struct bt_ctf_event *event = NULL;
2149         struct bt_ctf_field *ret_field = NULL;
2150         struct bt_ctf_field_type *ret_field_type = NULL;
2151         uint64_t ret_uint64;
2152         int events_appended = 0;
2153         struct bt_ctf_field *packet_context = NULL,
2154                 *packet_context_field = NULL, *event_context = NULL;
2155
2156         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2157                 "field_1");
2158         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2159                 "a_string");
2160         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2161         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2162         if (ret) {
2163                 goto end;
2164         }
2165
2166         event = bt_ctf_event_create(event_class);
2167         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2168         ret_field_type = bt_ctf_field_get_type(ret_field);
2169         ok(ret_field_type == integer_type,
2170                 "bt_ctf_event_get_payload_by_index returns a correct field");
2171         bt_put(ret_field_type);
2172         bt_put(ret_field);
2173
2174         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2175                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2176         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2177                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2178         bt_put(event);
2179
2180         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2181                 "bt_ctf_stream_get_event_context handles NULL correctly");
2182         event_context = bt_ctf_stream_get_event_context(stream);
2183         ok(event_context,
2184                 "bt_ctf_stream_get_event_context returns a stream event context");
2185         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2186                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2187         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2188                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2189         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2190                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2191         ret_field = bt_ctf_field_create(integer_type);
2192         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2193                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2194         bt_put(ret_field);
2195
2196         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2197                 event = bt_ctf_event_create(event_class);
2198                 struct bt_ctf_field *integer =
2199                         bt_ctf_field_create(integer_type);
2200                 struct bt_ctf_field *string =
2201                         bt_ctf_field_create(string_type);
2202
2203                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2204                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2205                 ret |= bt_ctf_event_set_payload(event, "field_1",
2206                         integer);
2207                 bt_put(integer);
2208                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2209                 ret |= bt_ctf_event_set_payload(event, "a_string",
2210                         string);
2211                 bt_put(string);
2212
2213                 /* Populate stream event context */
2214                 integer = bt_ctf_field_structure_get_field(event_context,
2215                         "common_event_context");
2216                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2217                         i % 42);
2218                 bt_put(integer);
2219
2220                 ret |= bt_ctf_stream_append_event(stream, event);
2221                 bt_put(event);
2222
2223                 if (ret) {
2224                         break;
2225                 }
2226         }
2227
2228         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2229         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2230                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2231         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2232                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2233         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2234         ok(ret == 0 && ret_uint64 == 0,
2235                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2236         bt_ctf_stream_append_discarded_events(stream, 1000);
2237         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2238         ok(ret == 0 && ret_uint64 == 1000,
2239                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2240
2241 end:
2242         ok(events_appended, "Append 100 000 events to a stream");
2243
2244         /*
2245          * Populate the custom packet context field with a dummy value
2246          * otherwise flush will fail.
2247          */
2248         packet_context = bt_ctf_stream_get_packet_context(stream);
2249         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2250                 "custom_packet_context_field");
2251         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2252
2253         ok(bt_ctf_stream_flush(stream) == 0,
2254                 "Flush a stream that forces a packet resize");
2255         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2256         ok(ret == 0 && ret_uint64 == 1000,
2257                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2258         bt_put(integer_type);
2259         bt_put(string_type);
2260         bt_put(packet_context);
2261         bt_put(packet_context_field);
2262         bt_put(event_context);
2263         bt_put(event_class);
2264 }
2265
2266 void test_empty_stream(struct bt_ctf_writer *writer)
2267 {
2268         int ret = 0;
2269         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2270         struct bt_ctf_stream_class *stream_class = NULL;
2271         struct bt_ctf_stream *stream = NULL;
2272
2273         trace = bt_ctf_writer_get_trace(writer);
2274         if (!trace) {
2275                 diag("Failed to get trace from writer");
2276                 ret = -1;
2277                 goto end;
2278         }
2279
2280         stream_class = bt_ctf_stream_class_create("empty_stream");
2281         if (!stream_class) {
2282                 diag("Failed to create stream class");
2283                 ret = -1;
2284                 goto end;
2285         }
2286
2287         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2288                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2289         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2290                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2291
2292         stream = bt_ctf_writer_create_stream(writer, stream_class);
2293         if (!stream) {
2294                 diag("Failed to create writer stream");
2295                 ret = -1;
2296                 goto end;
2297         }
2298
2299         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2300         ok(ret_trace == trace,
2301                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2302 end:
2303         ok(ret == 0,
2304                 "Created a stream class with default attributes and an empty stream");
2305         bt_put(trace);
2306         bt_put(ret_trace);
2307         bt_put(stream);
2308         bt_put(stream_class);
2309 }
2310
2311 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2312 {
2313         int i, ret;
2314         struct bt_ctf_trace *trace = NULL;
2315         struct bt_ctf_clock *clock = NULL;
2316         struct bt_ctf_stream_class *stream_class = NULL;
2317         struct bt_ctf_stream *stream = NULL;
2318         struct bt_ctf_field_type *integer_type = NULL,
2319                 *sequence_type = NULL, *event_header_type = NULL;
2320         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2321                 *event_header = NULL, *packet_header = NULL;
2322         struct bt_ctf_event_class *event_class = NULL;
2323         struct bt_ctf_event *event = NULL;
2324
2325         trace = bt_ctf_writer_get_trace(writer);
2326         if (!trace) {
2327                 fail("Failed to get trace from writer");
2328                 goto end;
2329         }
2330
2331         clock = bt_ctf_trace_get_clock(trace, 0);
2332         if (!clock) {
2333                 fail("Failed to get clock from trace");
2334                 goto end;
2335         }
2336
2337         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2338         if (!stream_class) {
2339                 fail("Failed to create stream class");
2340                 goto end;
2341         }
2342
2343         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2344         if (ret) {
2345                 fail("Failed to set stream class clock");
2346                 goto end;
2347         }
2348
2349         /*
2350          * Customize event header to add an "seq_len" integer member
2351          * which will be used as the length of a sequence in an event of this
2352          * stream.
2353          */
2354         event_header_type = bt_ctf_stream_class_get_event_header_type(
2355                 stream_class);
2356         if (!event_header_type) {
2357                 fail("Failed to get event header type");
2358                 goto end;
2359         }
2360
2361         integer_type = bt_ctf_field_type_integer_create(13);
2362         if (!integer_type) {
2363                 fail("Failed to create length integer type");
2364                 goto end;
2365         }
2366
2367         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2368                 integer_type, "seq_len");
2369         if (ret) {
2370                 fail("Failed to add a new field to stream event header");
2371                 goto end;
2372         }
2373
2374         event_class = bt_ctf_event_class_create("sequence_event");
2375         if (!event_class) {
2376                 fail("Failed to create event class");
2377                 goto end;
2378         }
2379
2380         /*
2381          * This event's payload will contain a sequence which references
2382          * stream.event.header.seq_len as its length field.
2383          */
2384         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2385                 "stream.event.header.seq_len");
2386         if (!sequence_type) {
2387                 fail("Failed to create a sequence");
2388                 goto end;
2389         }
2390
2391         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2392                 "some_sequence");
2393         if (ret) {
2394                 fail("Failed to add a sequence to an event class");
2395                 goto end;
2396         }
2397
2398         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2399         if (ret) {
2400                 fail("Failed to add event class to stream class");
2401                 goto end;
2402         }
2403
2404         stream = bt_ctf_writer_create_stream(writer, stream_class);
2405         if (!stream) {
2406                 fail("Failed to create stream")
2407                 goto end;
2408         }
2409
2410         /*
2411          * We have defined a custom packet header field. We have to populate it
2412          * explicitly.
2413          */
2414         packet_header = bt_ctf_stream_get_packet_header(stream);
2415         if (!packet_header) {
2416                 fail("Failed to get stream packet header");
2417                 goto end;
2418         }
2419
2420         integer = bt_ctf_field_structure_get_field(packet_header,
2421                 "custom_trace_packet_header_field");
2422         if (!integer) {
2423                 fail("Failed to retrieve custom_trace_packet_header_field");
2424                 goto end;
2425         }
2426
2427         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2428         if (ret) {
2429                 fail("Failed to set custom_trace_packet_header_field value");
2430                 goto end;
2431         }
2432         bt_put(integer);
2433
2434         event = bt_ctf_event_create(event_class);
2435         if (!event) {
2436                 fail("Failed to create event");
2437                 goto end;
2438         }
2439
2440         event_header = bt_ctf_event_get_header(event);
2441         if (!event_header) {
2442                 fail("Failed to get event header");
2443                 goto end;
2444         }
2445
2446         integer = bt_ctf_field_structure_get_field(event_header,
2447                 "seq_len");
2448         if (!integer) {
2449                 fail("Failed to get seq_len field from event header");
2450                 goto end;
2451         }
2452
2453         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2454         if (ret) {
2455                 fail("Failed to set seq_len value in event header");
2456                 goto end;
2457         }
2458
2459         /* Populate both sequence integer fields */
2460         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2461         if (!sequence) {
2462                 fail("Failed to retrieve sequence from event");
2463                 goto end;
2464         }
2465
2466         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2467         if (ret) {
2468                 fail("Failed to set sequence length");
2469                 goto end;
2470         }
2471         bt_put(integer);
2472
2473         for (i = 0; i < 2; i++) {
2474                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2475                 if (ret) {
2476                         fail("Failed to retrieve sequence element");
2477                         goto end;
2478                 }
2479
2480                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2481                 if (ret) {
2482                         fail("Failed to set sequence element value");
2483                         goto end;
2484                 }
2485
2486                 bt_put(integer);
2487                 integer = NULL;
2488         }
2489
2490         ret = bt_ctf_stream_append_event(stream, event);
2491         if (ret) {
2492                 fail("Failed to append event to stream");
2493                 goto end;
2494         }
2495
2496         ret = bt_ctf_stream_flush(stream);
2497         if (ret) {
2498                 fail("Failed to flush custom_event_header stream");
2499         }
2500 end:
2501         bt_put(clock);
2502         bt_put(trace);
2503         bt_put(stream);
2504         bt_put(stream_class);
2505         bt_put(event_class);
2506         bt_put(event);
2507         bt_put(integer);
2508         bt_put(sequence);
2509         bt_put(event_header);
2510         bt_put(packet_header);
2511         bt_put(sequence_type);
2512         bt_put(integer_type);
2513         bt_put(event_header_type);
2514 }
2515
2516 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2517 {
2518         int ret = 0;
2519         struct bt_ctf_trace *trace = NULL;
2520         struct bt_ctf_clock *clock = NULL;
2521         struct bt_ctf_stream_class *stream_class = NULL;
2522         struct bt_ctf_stream *stream = NULL,
2523                 *ret_stream = NULL;
2524         struct bt_ctf_event_class *event_class = NULL;
2525         struct bt_ctf_event *event = NULL;
2526         struct bt_ctf_field_type *integer_type = NULL;
2527         struct bt_ctf_field *integer = NULL;
2528
2529         trace = bt_ctf_writer_get_trace(writer);
2530         if (!trace) {
2531                 diag("Failed to get trace from writer");
2532                 ret = -1;
2533                 goto end;
2534         }
2535
2536         clock = bt_ctf_trace_get_clock(trace, 0);
2537         if (!clock) {
2538                 diag("Failed to get clock from trace");
2539                 ret = -1;
2540                 goto end;
2541         }
2542
2543         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2544         if (!stream_class) {
2545                 diag("Failed to create stream class");
2546                 ret = -1;
2547                 goto end;
2548         }
2549
2550         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2551         if (ret) {
2552                 diag("Failed to set stream class clock");
2553                 goto end;
2554         }
2555
2556         event_class = bt_ctf_event_class_create("some_event_class_name");
2557         integer_type = bt_ctf_field_type_integer_create(32);
2558         if (!integer_type) {
2559                 diag("Failed to create integer field type");
2560                 ret = -1;
2561                 goto end;
2562         }
2563
2564         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2565                 "integer_field");
2566         if (ret) {
2567                 diag("Failed to add field to event class");
2568                 goto end;
2569         }
2570
2571         ret = bt_ctf_stream_class_add_event_class(stream_class,
2572                 event_class);
2573         if (ret) {
2574                 diag("Failed to add event class to stream class");
2575         }
2576
2577         event = bt_ctf_event_create(event_class);
2578         if (!event) {
2579                 diag("Failed to create event");
2580                 ret = -1;
2581                 goto end;
2582         }
2583
2584         integer = bt_ctf_event_get_payload_by_index(event, 0);
2585         if (!integer) {
2586                 diag("Failed to get integer field payload from event");
2587                 ret = -1;
2588                 goto end;
2589         }
2590
2591         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2592         if (ret) {
2593                 diag("Failed to set integer field value");
2594                 goto end;
2595         }
2596
2597         stream = bt_ctf_writer_create_stream(writer, stream_class);
2598         if (!stream) {
2599                 diag("Failed to create writer stream");
2600                 ret = -1;
2601                 goto end;
2602         }
2603
2604         ok(bt_ctf_event_get_stream(NULL) == NULL,
2605                 "bt_ctf_event_get_stream handles NULL correctly");
2606         ok(bt_ctf_event_get_stream(event) == NULL,
2607                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2608
2609         ret = bt_ctf_stream_append_event(stream, event);
2610         if (ret) {
2611                 diag("Failed to append event to stream");
2612                 goto end;
2613         }
2614
2615         ret_stream = bt_ctf_event_get_stream(event);
2616         ok(ret_stream == stream,
2617                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2618 end:
2619         ok(ret == 0,
2620                 "Create an event before instanciating its associated stream");
2621         bt_put(trace);
2622         bt_put(stream);
2623         bt_put(ret_stream);
2624         bt_put(stream_class);
2625         bt_put(event_class);
2626         bt_put(event);
2627         bt_put(integer_type);
2628         bt_put(integer);
2629         bt_put(clock);
2630 }
2631
2632 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2633 {
2634         struct bt_ctf_event_class *event_class;
2635
2636         event_class = bt_ctf_event_class_create("Simple Event");
2637         assert(event_class);
2638         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2639                 "two event classes with the same name cannot cohabit within the same stream class");
2640         bt_put(event_class);
2641
2642         event_class = bt_ctf_event_class_create("different name, ok");
2643         assert(event_class);
2644         assert(!bt_ctf_event_class_set_id(event_class, 11));
2645         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2646                 "two event classes with the same ID cannot cohabit within the same stream class");
2647         bt_put(event_class);
2648 }
2649
2650 int main(int argc, char **argv)
2651 {
2652         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2653         char metadata_path[sizeof(trace_path) + 9];
2654         const char *clock_name = "test_clock";
2655         const char *clock_description = "This is a test clock";
2656         const char *returned_clock_name;
2657         const char *returned_clock_description;
2658         const uint64_t frequency = 1123456789;
2659         const uint64_t offset_s = 1351530929945824323;
2660         const uint64_t offset = 1234567;
2661         const uint64_t precision = 10;
2662         const int is_absolute = 0xFF;
2663         char *metadata_string;
2664         struct bt_ctf_writer *writer;
2665         struct utsname name;
2666         char hostname[BABELTRACE_HOST_NAME_MAX];
2667         struct bt_ctf_clock *clock, *ret_clock;
2668         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2669         struct bt_ctf_stream *stream1;
2670         const char *ret_string;
2671         const unsigned char *ret_uuid;
2672         unsigned char tmp_uuid[16] = { 0 };
2673         struct bt_ctf_field_type *packet_context_type,
2674                 *packet_context_field_type,
2675                 *packet_header_type,
2676                 *packet_header_field_type,
2677                 *integer_type,
2678                 *stream_event_context_type,
2679                 *ret_field_type,
2680                 *event_header_field_type;
2681         struct bt_ctf_field *packet_header, *packet_header_field;
2682         struct bt_ctf_trace *trace;
2683         int ret;
2684         int64_t ret_int64_t;
2685         struct bt_value *obj;
2686
2687         if (argc < 3) {
2688                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2689                 return -1;
2690         }
2691
2692         plan_no_plan();
2693
2694         if (!bt_mkdtemp(trace_path)) {
2695                 perror("# perror");
2696         }
2697
2698         strcpy(metadata_path, trace_path);
2699         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2700
2701         writer = bt_ctf_writer_create(trace_path);
2702         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2703
2704         ok(!bt_ctf_writer_get_trace(NULL),
2705                 "bt_ctf_writer_get_trace correctly handles NULL");
2706         trace = bt_ctf_writer_get_trace(writer);
2707         ok(trace,
2708                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2709         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2710                 "Set a trace's byte order to big endian");
2711         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2712                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2713
2714         /* Add environment context to the trace */
2715         ret = gethostname(hostname, sizeof(hostname));
2716         if (ret < 0) {
2717                 return ret;
2718         }
2719         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2720                 "Add host (%s) environment field to writer instance",
2721                 hostname);
2722         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2723                 "test_value"),
2724                 "bt_ctf_writer_add_environment_field error with NULL writer");
2725         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2726                 "test_value"),
2727                 "bt_ctf_writer_add_environment_field error with NULL field name");
2728         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2729                 NULL),
2730                 "bt_ctf_writer_add_environment_field error with NULL field value");
2731
2732         /* Test bt_ctf_trace_set_environment_field with an integer object */
2733         obj = bt_value_integer_create_init(23);
2734         assert(obj);
2735         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2736                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2737         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2738                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2739         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2740                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2741         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2742                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2743         BT_PUT(obj);
2744
2745         /* Test bt_ctf_trace_set_environment_field with a string object */
2746         obj = bt_value_string_create_init("the value");
2747         assert(obj);
2748         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2749                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2750         BT_PUT(obj);
2751
2752         /* Test bt_ctf_trace_set_environment_field_integer */
2753         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2754                 -194875),
2755                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2756         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2757                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2758         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2759                 -164973),
2760                 "bt_ctf_trace_set_environment_field_integer succeeds");
2761
2762         /* Test bt_ctf_trace_set_environment_field_string */
2763         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2764                 "yeah"),
2765                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2766         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2767                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2768         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2769                 NULL),
2770                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2771         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2772                 "oh yeah"),
2773                 "bt_ctf_trace_set_environment_field_string succeeds");
2774
2775         /* Test bt_ctf_trace_get_environment_field_count */
2776         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2777                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2778         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2779                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2780
2781         /* Test bt_ctf_trace_get_environment_field_name */
2782         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2783                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2784         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2785                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2786         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2787                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2788         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2789         ok(ret_string && !strcmp(ret_string, "host"),
2790                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2791         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2792         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2793                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2794         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2795         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2796                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2797         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2798         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2799                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2800         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2801         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2802                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2803
2804         /* Test bt_ctf_trace_get_environment_field_value */
2805         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2806                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2807         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2808                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2809         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2810                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2811         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2812         ret = bt_value_integer_get(obj, &ret_int64_t);
2813         ok(!ret && ret_int64_t == 23,
2814                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2815         BT_PUT(obj);
2816         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2817         ret = bt_value_string_get(obj, &ret_string);
2818         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2819                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2820         BT_PUT(obj);
2821
2822         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2823         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2824                 "test_env_str"),
2825                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2826         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2827                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2828         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2829                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2830         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2831                 "test_env_str");
2832         ret = bt_value_string_get(obj, &ret_string);
2833         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2834                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2835         BT_PUT(obj);
2836
2837         /* Test environment field replacement */
2838         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2839                 654321),
2840                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2841         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2842                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2843         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2844         ret = bt_value_integer_get(obj, &ret_int64_t);
2845         ok(!ret && ret_int64_t == 654321,
2846                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2847         BT_PUT(obj);
2848
2849         /* On Solaris, uname() can return any positive value on success */
2850         if (uname(&name) < 0) {
2851                 perror("uname");
2852                 return -1;
2853         }
2854
2855         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2856                 == 0, "Add sysname (%s) environment field to writer instance",
2857                 name.sysname);
2858         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2859                 name.nodename) == 0,
2860                 "Add nodename (%s) environment field to writer instance",
2861                 name.nodename);
2862         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2863                 == 0, "Add release (%s) environment field to writer instance",
2864                 name.release);
2865         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2866                 == 0, "Add version (%s) environment field to writer instance",
2867                 name.version);
2868         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2869                 == 0, "Add machine (%s) environment field to writer istance",
2870                 name.machine);
2871
2872         /* Define a clock and add it to the trace */
2873         ok(bt_ctf_clock_create("signed") == NULL,
2874                 "Illegal clock name rejected");
2875         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2876         clock = bt_ctf_clock_create(clock_name);
2877         ok(clock, "Clock created sucessfully");
2878         returned_clock_name = bt_ctf_clock_get_name(clock);
2879         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2880         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2881                 "Returned clock name is valid");
2882
2883         returned_clock_description = bt_ctf_clock_get_description(clock);
2884         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2885         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2886                 "Clock description set successfully");
2887
2888         returned_clock_description = bt_ctf_clock_get_description(clock);
2889         ok(returned_clock_description,
2890                 "bt_ctf_clock_get_description returns a description.");
2891         ok(returned_clock_description ?
2892                 !strcmp(returned_clock_description, clock_description) : 0,
2893                 "Returned clock description is valid");
2894
2895         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2896                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2897         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2898                 "Set clock frequency");
2899         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2900                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2901
2902         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
2903                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2904         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2905                 "Set clock offset (seconds)");
2906         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
2907                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2908
2909         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
2910                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
2911         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2912         ok(bt_ctf_clock_get_offset(clock) == offset,
2913                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
2914
2915         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2916                 "bt_ctf_clock_get_precision returns the correct default precision");
2917         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2918                 "Set clock precision");
2919         ok(bt_ctf_clock_get_precision(clock) == precision,
2920                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2921
2922         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2923                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2924         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2925                 "Set clock absolute property");
2926         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2927                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2928
2929         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
2930                 "bt_ctf_clock_get_time returns the correct default time");
2931         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2932                 "Set clock time");
2933         ok(bt_ctf_clock_get_time(clock) == current_time,
2934                 "bt_ctf_clock_get_time returns the correct time once it is set");
2935
2936         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2937                 "Add clock to writer instance");
2938         ok(bt_ctf_writer_add_clock(writer, clock),
2939                 "Verify a clock can't be added twice to a writer instance");
2940
2941         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2942                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2943         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2944                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2945         ok(!bt_ctf_trace_get_clock(NULL, 0),
2946                 "bt_ctf_trace_get_clock correctly handles NULL");
2947         ok(!bt_ctf_trace_get_clock(trace, -1),
2948                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2949         ok(!bt_ctf_trace_get_clock(trace, 1),
2950                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2951         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2952         ok(ret_clock == clock,
2953                 "bt_ctf_trace_get_clock returns the right clock instance");
2954         bt_put(ret_clock);
2955         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2956                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2957         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2958                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2959         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2960                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2961         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2962         ok(ret_clock == clock,
2963                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2964         bt_put(ret_clock);
2965         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2966                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2967
2968         ok(!bt_ctf_clock_get_name(NULL),
2969                 "bt_ctf_clock_get_name correctly handles NULL");
2970         ok(!bt_ctf_clock_get_description(NULL),
2971                 "bt_ctf_clock_get_description correctly handles NULL");
2972         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2973                 "bt_ctf_clock_get_frequency correctly handles NULL");
2974         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2975                 "bt_ctf_clock_get_precision correctly handles NULL");
2976         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
2977                 "bt_ctf_clock_get_offset_s correctly handles NULL");
2978         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
2979                 "bt_ctf_clock_get_offset correctly handles NULL");
2980         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
2981                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
2982         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
2983                 "bt_ctf_clock_get_time correctly handles NULL");
2984
2985         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
2986                 "bt_ctf_clock_set_description correctly handles NULL clock");
2987         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
2988                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
2989         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
2990                 "bt_ctf_clock_get_precision correctly handles NULL clock");
2991         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
2992                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
2993         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
2994                 "bt_ctf_clock_set_offset correctly handles NULL clock");
2995         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
2996                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
2997         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
2998                 "bt_ctf_clock_set_time correctly handles NULL clock");
2999         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3000                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3001         ret_uuid = bt_ctf_clock_get_uuid(clock);
3002         ok(ret_uuid,
3003                 "bt_ctf_clock_get_uuid returns a UUID");
3004         if (ret_uuid) {
3005                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3006                 /* Slightly modify UUID */
3007                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3008         }
3009
3010         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3011                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3012         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3013                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3014         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3015                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3016         ret_uuid = bt_ctf_clock_get_uuid(clock);
3017         ok(ret_uuid,
3018                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3019         ok(uuid_match(ret_uuid, tmp_uuid),
3020                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3021
3022         /* Define a stream class */
3023         stream_class = bt_ctf_stream_class_create("test_stream");
3024
3025         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3026                 "bt_ctf_stream_class_get_name handles NULL correctly");
3027         ret_string = bt_ctf_stream_class_get_name(stream_class);
3028         ok(ret_string && !strcmp(ret_string, "test_stream"),
3029                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3030
3031         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3032                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3033         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3034                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3035
3036         ok(stream_class, "Create stream class");
3037         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3038                 "Set a stream class' clock");
3039         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3040         ok(ret_clock == clock,
3041                 "bt_ctf_stream_class_get_clock returns a correct clock");
3042         bt_put(ret_clock);
3043
3044         /* Test the event fields and event types APIs */
3045         type_field_tests();
3046
3047         /* Test fields copying */
3048         field_copy_tests();
3049
3050         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3051                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3052         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3053                 "bt_ctf_stream_class_get_id handles NULL correctly");
3054         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3055                 "bt_ctf_stream_class_set_id handles NULL correctly");
3056         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3057                 "Set an stream class' id");
3058         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3059                 "bt_ctf_stream_class_get_id returns the correct value");
3060
3061         /* Validate default event header fields */
3062         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3063                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3064         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3065                 stream_class);
3066         ok(ret_field_type,
3067                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3068         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
3069                 "Default event header type is a structure");
3070         event_header_field_type =
3071                 bt_ctf_field_type_structure_get_field_type_by_name(
3072                 ret_field_type, "id");
3073         ok(event_header_field_type,
3074                 "Default event header type contains an \"id\" field");
3075         ok(bt_ctf_field_type_get_type_id(
3076                 event_header_field_type) == CTF_TYPE_INTEGER,
3077                 "Default event header \"id\" field is an integer");
3078         bt_put(event_header_field_type);
3079         event_header_field_type =
3080                 bt_ctf_field_type_structure_get_field_type_by_name(
3081                 ret_field_type, "timestamp");
3082         ok(event_header_field_type,
3083                 "Default event header type contains a \"timestamp\" field");
3084         ok(bt_ctf_field_type_get_type_id(
3085                 event_header_field_type) == CTF_TYPE_INTEGER,
3086                 "Default event header \"timestamp\" field is an integer");
3087         bt_put(event_header_field_type);
3088         bt_put(ret_field_type);
3089
3090         /* Add a custom trace packet header field */
3091         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3092                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3093         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3094         ok(packet_header_type,
3095                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3096         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
3097                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3098         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3099                 packet_header_type, "magic");
3100         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3101         bt_put(ret_field_type);
3102         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3103                 packet_header_type, "uuid");
3104         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3105         bt_put(ret_field_type);
3106         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3107                 packet_header_type, "stream_id");
3108         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3109         bt_put(ret_field_type);
3110
3111         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3112         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3113                 packet_header_field_type, "custom_trace_packet_header_field"),
3114                 "Added a custom trace packet header field successfully");
3115
3116         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3117                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3118         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3119                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3120         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3121                 "Set a trace packet_header_type successfully");
3122
3123         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3124                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3125
3126         /* Add a custom field to the stream class' packet context */
3127         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3128         ok(packet_context_type,
3129                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3130         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
3131                 "Packet context is a structure");
3132
3133         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3134                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3135         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3136                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3137
3138         integer_type = bt_ctf_field_type_integer_create(32);
3139         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3140                 integer_type) < 0,
3141                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3142         /* Create a "uint5_t" equivalent custom packet context field */
3143         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3144
3145         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3146                 packet_context_field_type, "custom_packet_context_field");
3147         ok(ret == 0, "Packet context field added successfully");
3148
3149         /* Define a stream event context containing a my_integer field. */
3150         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3151                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3152         ok(bt_ctf_stream_class_get_event_context_type(
3153                 stream_class) == NULL,
3154                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3155         stream_event_context_type = bt_ctf_field_type_structure_create();
3156         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3157                 integer_type, "common_event_context");
3158
3159         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3160                 stream_event_context_type) < 0,
3161                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3162         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3163                 NULL) < 0,
3164                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3165         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3166                 integer_type) < 0,
3167                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3168
3169         ok(bt_ctf_stream_class_set_event_context_type(
3170                 stream_class, stream_event_context_type) == 0,
3171                 "Set a new stream event context type");
3172         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3173                 stream_class);
3174         ok(ret_field_type == stream_event_context_type,
3175                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3176         bt_put(ret_field_type);
3177
3178         /* Instantiate a stream and append events */
3179         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3180         ok(stream1, "Instanciate a stream class from writer");
3181
3182         ok(bt_ctf_stream_get_class(NULL) == NULL,
3183                 "bt_ctf_stream_get_class correctly handles NULL");
3184         ret_stream_class = bt_ctf_stream_get_class(stream1);
3185         ok(ret_stream_class,
3186                 "bt_ctf_stream_get_class returns a stream class");
3187         ok(ret_stream_class == stream_class,
3188                 "Returned stream class is of the correct type");
3189
3190         /*
3191          * Try to modify the packet context type after a stream has been
3192          * created.
3193          */
3194         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3195                 packet_header_field_type, "should_fail");
3196         ok(ret < 0,
3197                 "Trace packet header type can't be modified once a stream has been instanciated");
3198
3199         /*
3200          * Try to modify the packet context type after a stream has been
3201          * created.
3202          */
3203         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3204                 packet_context_field_type, "should_fail");
3205         ok(ret < 0,
3206                 "Packet context type can't be modified once a stream has been instanciated");
3207
3208         /*
3209          * Try to modify the stream event context type after a stream has been
3210          * created.
3211          */
3212         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3213                 integer_type, "should_fail");
3214         ok(ret < 0,
3215                 "Stream event context type can't be modified once a stream has been instanciated");
3216
3217         /* Should fail after instanciating a stream (frozen) */
3218         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3219                 "Changes to a stream class that was already instantiated fail");
3220
3221         /* Populate the custom packet header field only once for all tests */
3222         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3223                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3224         packet_header = bt_ctf_stream_get_packet_header(stream1);
3225         ok(packet_header,
3226                 "bt_ctf_stream_get_packet_header returns a packet header");
3227         ret_field_type = bt_ctf_field_get_type(packet_header);
3228         ok(ret_field_type == packet_header_type,
3229                 "Stream returns a packet header of the appropriate type");
3230         bt_put(ret_field_type);
3231         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3232                 "custom_trace_packet_header_field");
3233         ok(packet_header_field,
3234                 "Packet header structure contains a custom field with the appropriate name");
3235         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3236         ok(ret_field_type == packet_header_field_type,
3237                 "Custom packet header field is of the expected type");
3238         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3239                 54321), "Set custom packet header value successfully");
3240         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3241                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3242         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3243                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3244         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3245                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3246         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3247                 "Successfully set a stream's packet header");
3248
3249         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3250                 "Add environment field to writer after stream creation");
3251
3252         test_instanciate_event_before_stream(writer);
3253
3254         append_simple_event(stream_class, stream1, clock);
3255
3256         packet_resize_test(stream_class, stream1, clock);
3257
3258         append_complex_event(stream_class, stream1, clock);
3259
3260         append_existing_event_class(stream_class);
3261
3262         test_empty_stream(writer);
3263
3264         test_custom_event_header_stream(writer);
3265
3266         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3267         ok(metadata_string, "Get metadata string");
3268
3269         bt_ctf_writer_flush_metadata(writer);
3270         validate_metadata(argv[1], metadata_path);
3271         validate_trace(argv[2], trace_path);
3272
3273         bt_put(clock);
3274         bt_put(ret_stream_class);
3275         bt_put(writer);
3276         bt_put(stream1);
3277         bt_put(packet_context_type);
3278         bt_put(packet_context_field_type);
3279         bt_put(integer_type);
3280         bt_put(stream_event_context_type);
3281         bt_put(ret_field_type);
3282         bt_put(packet_header_type);
3283         bt_put(packet_header_field_type);
3284         bt_put(packet_header);
3285         bt_put(packet_header_field);
3286         bt_put(trace);
3287         free(metadata_string);
3288         bt_put(stream_class);
3289
3290         /* Remove all trace files and delete temporary trace directory */
3291         DIR *trace_dir = opendir(trace_path);
3292         if (!trace_dir) {
3293                 perror("# opendir");
3294                 return -1;
3295         }
3296
3297         struct dirent *entry;
3298         while ((entry = readdir(trace_dir))) {
3299                 struct stat st;
3300                 char filename[PATH_MAX];
3301
3302                 if (snprintf(filename, sizeof(filename), "%s/%s",
3303                                         trace_path, entry->d_name) <= 0) {
3304                         continue;
3305                 }
3306
3307                 if (stat(entry->d_name, &st)) {
3308                         continue;
3309                 }
3310
3311                 if (S_ISREG(st.st_mode)) {
3312                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3313                 }
3314         }
3315
3316         rmdir(trace_path);
3317         closedir(trace_dir);
3318         return 0;
3319 }