tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #define _GNU_SOURCE
  23 #include <babeltrace/ctf-writer/writer.h>
  24 #include <babeltrace/ctf-writer/clock.h>
  25 #include <babeltrace/ctf-writer/stream.h>
  26 #include <babeltrace/ctf-writer/event.h>
  27 #include <babeltrace/ctf-writer/event-types.h>
  28 #include <babeltrace/ctf-writer/event-fields.h>
  29 #include <babeltrace/ctf-ir/stream-class.h>
  30 #include <babeltrace/ref.h>
  31 #include <babeltrace/ctf/events.h>
  32 #include <babeltrace/values.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #include <stdio.h>
  36 #include <sys/utsname.h>
  37 #include <babeltrace/compat/limits.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46
  47 #define METADATA_LINE_SIZE 512
  48 #define SEQUENCE_TEST_LENGTH 10
  49 #define ARRAY_TEST_LENGTH 5
  50 #define PACKET_RESIZE_TEST_LENGTH 100000
  51
  52 #define DEFAULT_CLOCK_FREQ 1000000000
  53 #define DEFAULT_CLOCK_PRECISION 1
  54 #define DEFAULT_CLOCK_OFFSET 0
  55 #define DEFAULT_CLOCK_OFFSET_S 0
  56 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  57 #define DEFAULT_CLOCK_TIME 0
  58
  59 static uint64_t current_time = 42;
  60
  61 /* Return 1 if uuids match, zero if different. */
  62 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  63 {
  64         int ret = 0;
  65         int i;
  66
  67         if (!uuid_a || !uuid_b) {
  68                 goto end;
  69         }
  70
  71         for (i = 0; i < 16; i++) {
  72                 if (uuid_a[i] != uuid_b[i]) {
  73                         goto end;
  74                 }
  75         }
  76
  77         ret = 1;
  78 end:
  79         return ret;
  80 }
  81
  82 void validate_metadata(char *parser_path, char *metadata_path)
  83 {
  84         int ret = 0;
  85         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  86         int parser_output_fd = -1, metadata_fd = -1;
  87
  88         if (!metadata_path) {
  89                 ret = -1;
  90                 goto result;
  91         }
  92
  93         parser_output_fd = mkstemp(parser_output_path);
  94         metadata_fd = open(metadata_path, O_RDONLY);
  95
  96         unlink(parser_output_path);
  97
  98         if (parser_output_fd == -1 || metadata_fd == -1) {
  99                 diag("Failed create temporary files for metadata parsing.");
 100                 ret = -1;
 101                 goto result;
 102         }
 103
 104         pid_t pid = fork();
 105         if (pid) {
 106                 int status = 0;
 107                 waitpid(pid, &status, 0);
 108                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 109         } else {
 110                 /* ctf-parser-test expects a metadata string on stdin. */
 111                 ret = dup2(metadata_fd, STDIN_FILENO);
 112                 if (ret < 0) {
 113                         perror("# dup2 metadata_fd to STDIN");
 114                         goto result;
 115                 }
 116
 117                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 118                 if (ret < 0) {
 119                         perror("# dup2 parser_output_fd to STDOUT");
 120                         goto result;
 121                 }
 122
 123                 ret = dup2(parser_output_fd, STDERR_FILENO);
 124                 if (ret < 0) {
 125                         perror("# dup2 parser_output_fd to STDERR");
 126                         goto result;
 127                 }
 128
 129                 execl(parser_path, "ctf-parser-test", NULL);
 130                 perror("# Could not launch the ctf metadata parser process");
 131                 exit(-1);
 132         }
 133 result:
 134         ok(ret == 0, "Metadata string is valid");
 135
 136         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 137                 char *line;
 138                 size_t len = METADATA_LINE_SIZE;
 139                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 140
 141                 metadata_fp = fdopen(metadata_fd, "r");
 142                 if (!metadata_fp) {
 143                         perror("fdopen on metadata_fd");
 144                         goto close_fp;
 145                 }
 146                 metadata_fd = -1;
 147
 148                 parser_output_fp = fdopen(parser_output_fd, "r");
 149                 if (!parser_output_fp) {
 150                         perror("fdopen on parser_output_fd");
 151                         goto close_fp;
 152                 }
 153                 parser_output_fd = -1;
 154
 155                 line = malloc(len);
 156                 if (!line) {
 157                         diag("malloc failure");
 158                 }
 159
 160                 rewind(metadata_fp);
 161
 162                 /* Output the metadata and parser output as diagnostic */
 163                 while (getline(&line, &len, metadata_fp) > 0) {
 164                         fprintf(stderr, "# %s", line);
 165                 }
 166
 167                 rewind(parser_output_fp);
 168                 while (getline(&line, &len, parser_output_fp) > 0) {
 169                         fprintf(stderr, "# %s", line);
 170                 }
 171
 172                 free(line);
 173 close_fp:
 174                 if (metadata_fp) {
 175                         if (fclose(metadata_fp)) {
 176                                 diag("fclose failure");
 177                         }
 178                 }
 179                 if (parser_output_fp) {
 180                         if (fclose(parser_output_fp)) {
 181                                 diag("fclose failure");
 182                         }
 183                 }
 184         }
 185
 186         if (parser_output_fd >= 0) {
 187                 if (close(parser_output_fd)) {
 188                         diag("close error");
 189                 }
 190         }
 191         if (metadata_fd >= 0) {
 192                 if (close(metadata_fd)) {
 193                         diag("close error");
 194                 }
 195         }
 196 }
 197
 198 void validate_trace(char *parser_path, char *trace_path)
 199 {
 200         int ret = 0;
 201         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 202         int babeltrace_output_fd = -1;
 203
 204         if (!trace_path) {
 205                 ret = -1;
 206                 goto result;
 207         }
 208
 209         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 210         unlink(babeltrace_output_path);
 211
 212         if (babeltrace_output_fd == -1) {
 213                 diag("Failed to create a temporary file for trace parsing.");
 214                 ret = -1;
 215                 goto result;
 216         }
 217
 218         pid_t pid = fork();
 219         if (pid) {
 220                 int status = 0;
 221                 waitpid(pid, &status, 0);
 222                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 223         } else {
 224                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 225                 if (ret < 0) {
 226                         perror("# dup2 babeltrace_output_fd to STDOUT");
 227                         goto result;
 228                 }
 229
 230                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 231                 if (ret < 0) {
 232                         perror("# dup2 babeltrace_output_fd to STDERR");
 233                         goto result;
 234                 }
 235
 236                 execl(parser_path, "babeltrace", trace_path, NULL);
 237                 perror("# Could not launch the babeltrace process");
 238                 exit(-1);
 239         }
 240 result:
 241         ok(ret == 0, "Babeltrace could read the resulting trace");
 242
 243         if (ret && babeltrace_output_fd >= 0) {
 244                 char *line;
 245                 size_t len = METADATA_LINE_SIZE;
 246                 FILE *babeltrace_output_fp = NULL;
 247
 248                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 249                 if (!babeltrace_output_fp) {
 250                         perror("fdopen on babeltrace_output_fd");
 251                         goto close_fp;
 252                 }
 253                 babeltrace_output_fd = -1;
 254
 255                 line = malloc(len);
 256                 if (!line) {
 257                         diag("malloc error");
 258                 }
 259                 rewind(babeltrace_output_fp);
 260                 while (getline(&line, &len, babeltrace_output_fp) > 0) {
 261                         diag("%s", line);
 262                 }
 263
 264                 free(line);
 265 close_fp:
 266                 if (babeltrace_output_fp) {
 267                         if (fclose(babeltrace_output_fp)) {
 268                                 diag("fclose error");
 269                         }
 270                 }
 271         }
 272
 273         if (babeltrace_output_fd >= 0) {
 274                 if (close(babeltrace_output_fd)) {
 275                         diag("close error");
 276                 }
 277         }
 278 }
 279
 280 void event_copy_tests(struct bt_ctf_event *event)
 281 {
 282         struct bt_ctf_event *copy;
 283         struct bt_ctf_event_class *orig_event_class;
 284         struct bt_ctf_event_class *copy_event_class;
 285         struct bt_ctf_stream *orig_stream;
 286         struct bt_ctf_stream *copy_stream;
 287         struct bt_ctf_field *orig_field;
 288         struct bt_ctf_field *copy_field;
 289
 290         /* copy */
 291         ok(!bt_ctf_event_copy(NULL),
 292                 "bt_ctf_event_copy handles NULL correctly");
 293         copy = bt_ctf_event_copy(event);
 294         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 295
 296         /* validate event class */
 297         orig_event_class = bt_ctf_event_get_class(event);
 298         assert(orig_event_class);
 299         copy_event_class = bt_ctf_event_get_class(copy);
 300         ok(orig_event_class == copy_event_class,
 301                 "original and copied events share the same event class pointer");
 302         bt_put(orig_event_class);
 303         bt_put(copy_event_class);
 304
 305         /* validate stream */
 306         orig_stream = bt_ctf_event_get_stream(event);
 307         copy_stream = bt_ctf_event_get_stream(copy);
 308
 309         if (!orig_stream) {
 310                 ok(!copy_stream, "original and copied events have no stream");
 311         } else {
 312                 ok(orig_stream == copy_stream,
 313                         "original and copied events share the same stream pointer");
 314         }
 315         bt_put(orig_stream);
 316         bt_put(copy_stream);
 317
 318         /* header */
 319         orig_field = bt_ctf_event_get_header(event);
 320         copy_field = bt_ctf_event_get_header(copy);
 321
 322         if (!orig_field) {
 323                 ok(!copy_field, "original and copied events have no header");
 324         } else {
 325                 ok(orig_field != copy_field,
 326                         "original and copied events headers are different pointers");
 327         }
 328
 329         bt_put(orig_field);
 330         bt_put(copy_field);
 331
 332         /* context */
 333         orig_field = bt_ctf_event_get_event_context(event);
 334         copy_field = bt_ctf_event_get_event_context(copy);
 335
 336         if (!orig_field) {
 337                 ok(!copy_field, "original and copied events have no context");
 338         } else {
 339                 ok(orig_field != copy_field,
 340                         "original and copied events contexts are different pointers");
 341         }
 342
 343         bt_put(orig_field);
 344         bt_put(copy_field);
 345
 346         /* payload */
 347         orig_field = bt_ctf_event_get_payload_field(event);
 348         copy_field = bt_ctf_event_get_payload_field(copy);
 349
 350         if (!orig_field) {
 351                 ok(!copy_field, "original and copied events have no payload");
 352         } else {
 353                 ok(orig_field != copy_field,
 354                         "original and copied events payloads are different pointers");
 355         }
 356
 357         bt_put(orig_field);
 358         bt_put(copy_field);
 359
 360         bt_put(copy);
 361 }
 362
 363 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 364                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 365 {
 366         /* Create and add a simple event class */
 367         struct bt_ctf_event_class *simple_event_class =
 368                 bt_ctf_event_class_create("Simple Event");
 369         struct bt_ctf_field_type *uint_12_type =
 370                 bt_ctf_field_type_integer_create(12);
 371         struct bt_ctf_field_type *int_64_type =
 372                 bt_ctf_field_type_integer_create(64);
 373         struct bt_ctf_field_type *float_type =
 374                 bt_ctf_field_type_floating_point_create();
 375         struct bt_ctf_field_type *enum_type;
 376         struct bt_ctf_field_type *enum_type_unsigned =
 377                 bt_ctf_field_type_enumeration_create(uint_12_type);
 378         struct bt_ctf_field_type *event_context_type =
 379                 bt_ctf_field_type_structure_create();
 380         struct bt_ctf_field_type *returned_type;
 381         struct bt_ctf_event *simple_event;
 382         struct bt_ctf_field *integer_field;
 383         struct bt_ctf_field *float_field;
 384         struct bt_ctf_field *enum_field;
 385         struct bt_ctf_field *enum_field_unsigned;
 386         struct bt_ctf_field *enum_container_field;
 387         const char *mapping_name_test = "truie";
 388         const double double_test_value = 3.1415;
 389         struct bt_ctf_field *enum_container_field_unsigned;
 390         const char *mapping_name_negative_test = "negative_value";
 391         const char *ret_char;
 392         double ret_double;
 393         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 394         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 395         struct bt_ctf_clock *ret_clock;
 396         struct bt_ctf_event_class *ret_event_class;
 397         struct bt_ctf_field *packet_context;
 398         struct bt_ctf_field *packet_context_field;
 399         struct bt_ctf_field *stream_event_context;
 400         struct bt_ctf_field *stream_event_context_field;
 401         struct bt_ctf_field *event_context;
 402         struct bt_ctf_field *event_context_field;
 403
 404         ok(uint_12_type, "Create an unsigned integer type");
 405
 406         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 407         ok(int_64_type, "Create a signed integer type");
 408         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 409
 410         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 411         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 412         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 413         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 414                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 415         bt_put(returned_type);
 416
 417         bt_ctf_field_type_set_alignment(float_type, 32);
 418         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 419                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 420         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 421                 "bt_ctf_field_type_get_alignment returns a correct value");
 422
 423         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 424                 "Set a floating point type's exponent digit count");
 425         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 426                 "Set a floating point type's mantissa digit count");
 427
 428         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 429                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 430         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 431                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 432         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 433                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 434         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 435                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 436
 437         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 438                 mapping_name_negative_test, -12345, 0) == 0,
 439                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 440         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 441                 "escaping; \"test\"", 1, 1) == 0,
 442                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 443         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 444                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 445                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 446         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 447                 "event clock int float", 5, 22) == 0,
 448                 "Accept enumeration mapping strings containing reserved keywords");
 449         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 450                 42, 42);
 451         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 452                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 453         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 454                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 455         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 456                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 457         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 458
 459         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 460                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 461         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 462                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 463         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 464                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 465
 466         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 467                 "enum_field") == 0, "Add signed enumeration field to event");
 468
 469         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 470                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 471                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 472         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 473                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 474                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 475         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 476                 NULL, &ret_range_end_int64_t) < 0,
 477                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 478         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 479                 &ret_range_start_int64_t, NULL) < 0,
 480                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 481         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 482                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 483                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 484         ok(!strcmp(ret_char, mapping_name_test),
 485                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 486         ok(ret_range_start_int64_t == 42,
 487                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 488         ok(ret_range_end_int64_t == 42,
 489                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 490
 491         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 492                 "escaping; \"test\"", 0, 0) == 0,
 493                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 494         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 495                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 496                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 497         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 498                 "event clock int float", 5, 22) == 0,
 499                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 500         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 501                 42, 42);
 502         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 503                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 504         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 505                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 506         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 507                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 508         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 509                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 510
 511         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 512                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 513         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 514                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 515
 516         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 517                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 518                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 519         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 520                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 521                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 522         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 523                 NULL, &ret_range_end_uint64_t) < 0,
 524                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 525         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 526                 &ret_range_start_uint64_t, NULL) < 0,
 527                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 528         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 529                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 530                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 531         ok(!strcmp(ret_char, mapping_name_test),
 532                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 533         ok(ret_range_start_uint64_t == 42,
 534                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 535         ok(ret_range_end_uint64_t == 42,
 536                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 537
 538         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 539                 "integer_field");
 540         bt_ctf_event_class_add_field(simple_event_class, float_type,
 541                 "float_field");
 542
 543         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 544
 545         /* Set an event context type which will contain a single integer*/
 546         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 547                 "event_specific_context"),
 548                 "Add event specific context field");
 549         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 550                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 551         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 552                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 553
 554         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 555                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 556         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 557                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 558         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 559                 "Set an event class' context type successfully");
 560         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 561         ok(returned_type == event_context_type,
 562                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 563         bt_put(returned_type);
 564
 565         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 566
 567         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 568                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 569         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 570                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 571         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 572                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 573         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 574                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 575         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 576         ok(ret_event_class == simple_event_class,
 577                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 578         bt_put(ret_event_class);
 579         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 580                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 581         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 582                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 583         ret_event_class =
 584                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 585         ok(ret_event_class == simple_event_class,
 586                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 587         bt_put(ret_event_class);
 588
 589         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 590                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 591         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 592                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 593         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 594                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 595         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 596         ok(ret_event_class == simple_event_class,
 597                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 598         bt_put(ret_event_class);
 599
 600         simple_event = bt_ctf_event_create(simple_event_class);
 601         ok(simple_event,
 602                 "Instantiate an event containing a single integer field");
 603
 604         ok(bt_ctf_event_get_clock(NULL) == NULL,
 605                 "bt_ctf_event_get_clock handles NULL correctly");
 606         ret_clock = bt_ctf_event_get_clock(simple_event);
 607         ok(ret_clock == clock,
 608                 "bt_ctf_event_get_clock returns a correct clock");
 609         bt_put(clock);
 610
 611         integer_field = bt_ctf_field_create(uint_12_type);
 612         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 613         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 614                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 615
 616         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 617         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 618                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 619         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 620         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 621                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 622         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 623                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 624         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 625                 "bt_ctf_field_floating_point_get_value returns a double value");
 626         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 627                 "bt_ctf_field_floating_point_get_value returns a correct value");
 628
 629         enum_field = bt_ctf_field_create(enum_type);
 630         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 631         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 632         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 633         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 634         enum_container_field = bt_ctf_field_enumeration_get_container(
 635                 enum_field);
 636         ok(bt_ctf_field_signed_integer_set_value(
 637                 enum_container_field, -42) == 0,
 638                 "Set signed enumeration container value");
 639         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 640         ok(!strcmp(ret_char, mapping_name_negative_test),
 641                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 642         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 643
 644         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 645         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 646                 enum_field_unsigned);
 647         ok(bt_ctf_field_unsigned_integer_set_value(
 648                 enum_container_field_unsigned, 42) == 0,
 649                 "Set unsigned enumeration container value");
 650         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 651                 enum_field_unsigned);
 652         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 653         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 654                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 655
 656         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 657
 658         /* Populate stream event context */
 659         stream_event_context = bt_ctf_stream_get_event_context(stream);
 660         stream_event_context_field = bt_ctf_field_structure_get_field(
 661                 stream_event_context, "common_event_context");
 662         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 663
 664         /* Populate the event's context */
 665         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 666                 "bt_ctf_event_get_event_context handles NULL correctly");
 667         event_context = bt_ctf_event_get_event_context(simple_event);
 668         ok(event_context,
 669                 "bt_ctf_event_get_event_context returns a field");
 670         returned_type = bt_ctf_field_get_type(event_context);
 671         ok(returned_type == event_context_type,
 672                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 673         event_context_field = bt_ctf_field_structure_get_field(event_context,
 674                 "event_specific_context");
 675         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 676                 "Successfully set an event context's value");
 677         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 678                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 679         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 680                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 681         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 682                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 683         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 684                 "Set an event context successfully");
 685
 686         event_copy_tests(simple_event);
 687         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 688                 "Append simple event to trace stream");
 689
 690         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 691                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 692         packet_context = bt_ctf_stream_get_packet_context(stream);
 693         ok(packet_context,
 694                 "bt_ctf_stream_get_packet_context returns a packet context");
 695
 696         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 697                 "packet_size");
 698         ok(packet_context_field,
 699                 "Packet context contains the default packet_size field.");
 700         bt_put(packet_context_field);
 701         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 702                 "custom_packet_context_field");
 703         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 704                 "Custom packet context field value successfully set.");
 705
 706         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 707                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 708         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 709                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 710         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 711                 "Successfully set a stream's packet context");
 712
 713         ok(bt_ctf_stream_flush(stream) == 0,
 714                 "Flush trace stream with one event");
 715
 716         bt_put(simple_event_class);
 717         bt_put(simple_event);
 718         bt_put(uint_12_type);
 719         bt_put(int_64_type);
 720         bt_put(float_type);
 721         bt_put(enum_type);
 722         bt_put(enum_type_unsigned);
 723         bt_put(returned_type);
 724         bt_put(event_context_type);
 725         bt_put(integer_field);
 726         bt_put(float_field);
 727         bt_put(enum_field);
 728         bt_put(enum_field_unsigned);
 729         bt_put(enum_container_field);
 730         bt_put(enum_container_field_unsigned);
 731         bt_put(packet_context);
 732         bt_put(packet_context_field);
 733         bt_put(stream_event_context);
 734         bt_put(stream_event_context_field);
 735         bt_put(event_context);
 736         bt_put(event_context_field);
 737 }
 738
 739 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 740                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 741 {
 742         struct event_class_attrs_counts {
 743                 int id;
 744                 int name;
 745                 int loglevel;
 746                 int modelemfuri;
 747                 int unknown;
 748         } attrs_count;
 749
 750         int i;
 751         int ret;
 752         int64_t int64_value;
 753         struct event_class_attrs_counts ;
 754         const char *complex_test_event_string = "Complex Test Event";
 755         const char *test_string_1 = "Test ";
 756         const char *test_string_2 = "string ";
 757         const char *test_string_3 = "abcdefghi";
 758         const char *test_string_4 = "abcd\0efg\0hi";
 759         const char *test_string_cat = "Test string abcdeabcd";
 760         struct bt_ctf_field_type *uint_35_type =
 761                 bt_ctf_field_type_integer_create(35);
 762         struct bt_ctf_field_type *int_16_type =
 763                 bt_ctf_field_type_integer_create(16);
 764         struct bt_ctf_field_type *uint_3_type =
 765                 bt_ctf_field_type_integer_create(3);
 766         struct bt_ctf_field_type *enum_variant_type =
 767                 bt_ctf_field_type_enumeration_create(uint_3_type);
 768         struct bt_ctf_field_type *variant_type =
 769                 bt_ctf_field_type_variant_create(enum_variant_type,
 770                         "variant_selector");
 771         struct bt_ctf_field_type *string_type =
 772                 bt_ctf_field_type_string_create();
 773         struct bt_ctf_field_type *sequence_type;
 774         struct bt_ctf_field_type *array_type;
 775         struct bt_ctf_field_type *inner_structure_type =
 776                 bt_ctf_field_type_structure_create();
 777         struct bt_ctf_field_type *complex_structure_type =
 778                 bt_ctf_field_type_structure_create();
 779         struct bt_ctf_field_type *ret_field_type;
 780         struct bt_ctf_event_class *event_class;
 781         struct bt_ctf_event *event;
 782         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 783                 *inner_structure_field, *complex_structure_field,
 784                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 785                 *variant_field, *an_array_field, *ret_field;
 786         uint64_t ret_unsigned_int;
 787         int64_t ret_signed_int;
 788         const char *ret_string;
 789         struct bt_ctf_stream_class *ret_stream_class;
 790         struct bt_ctf_event_class *ret_event_class;
 791         struct bt_ctf_field *packet_context, *packet_context_field;
 792         struct bt_value *obj;
 793
 794         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 795                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 796         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 797                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 798         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 799                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 800         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 801                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 802         bt_ctf_field_type_set_alignment(int_16_type, 32);
 803         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 804         bt_ctf_field_type_integer_set_base(uint_35_type,
 805                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 806
 807         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 808         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 809                 "seq_len");
 810
 811         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 812                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 813         ret_field_type = bt_ctf_field_type_array_get_element_type(
 814                 array_type);
 815         ok(ret_field_type == int_16_type,
 816                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 817         bt_put(ret_field_type);
 818
 819         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 820                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 821         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 822                 "bt_ctf_field_type_array_get_length returns the correct length");
 823
 824         bt_ctf_field_type_structure_add_field(inner_structure_type,
 825                 uint_35_type, "seq_len");
 826         bt_ctf_field_type_structure_add_field(inner_structure_type,
 827                 sequence_type, "a_sequence");
 828         bt_ctf_field_type_structure_add_field(inner_structure_type,
 829                 array_type, "an_array");
 830
 831         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 832                 "UINT3_TYPE", 0, 0);
 833         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 834                 "INT16_TYPE", 1, 1);
 835         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 836                 "UINT35_TYPE", 2, 7);
 837
 838         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 839                 "INT16_TYPE") < 0,
 840                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 841         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 842                 enum_variant_type, NULL) < 0,
 843                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 844         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 845                 enum_variant_type, "INT16_TYPE") == 1,
 846                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 847
 848         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 849                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 850         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 851                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 852         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 853                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 854
 855         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 856                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 857         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 858                 "UINT3_TYPE") == 0, "Add a field to a variant");
 859         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 860                 "INT16_TYPE");
 861         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 862                 "UINT35_TYPE");
 863
 864         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 865                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 866         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 867         ok(ret_field_type == enum_variant_type,
 868                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 869         bt_put(ret_field_type);
 870
 871         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 872                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 873         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 874         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 875                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 876         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 877                 "INT16_TYPE") == NULL,
 878                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 879         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 880                 NULL) == NULL,
 881                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 882         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 883                 variant_type, "INT16_TYPE");
 884         ok(ret_field_type == int_16_type,
 885                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 886         bt_put(ret_field_type);
 887
 888         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 889                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 890         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 891                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 892
 893         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 894                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 895         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 896                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 897         bt_put(ret_field_type);
 898         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 899                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 900         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 901                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 902         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 903                 "bt_ctf_field_type_variant_get_field returns a field");
 904         ok(!strcmp("INT16_TYPE", ret_string),
 905                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 906         ok(ret_field_type == int_16_type,
 907                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 908         bt_put(ret_field_type);
 909
 910         bt_ctf_field_type_structure_add_field(complex_structure_type,
 911                 enum_variant_type, "variant_selector");
 912         bt_ctf_field_type_structure_add_field(complex_structure_type,
 913                 string_type, "a_string");
 914         bt_ctf_field_type_structure_add_field(complex_structure_type,
 915                 variant_type, "variant_value");
 916         bt_ctf_field_type_structure_add_field(complex_structure_type,
 917                 inner_structure_type, "inner_structure");
 918
 919         ok(bt_ctf_event_class_create("clock") == NULL,
 920                 "Reject creation of an event class with an illegal name");
 921         event_class = bt_ctf_event_class_create(complex_test_event_string);
 922         ok(event_class, "Create an event class");
 923         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 924                 "Reject addition of a field with an empty name to an event");
 925         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 926                 "Reject addition of a field with a NULL type to an event");
 927         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 928                 "int"),
 929                 "Reject addition of a type with an illegal name to an event");
 930         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 931                 "uint_35") == 0,
 932                 "Add field of type unsigned integer to an event");
 933         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 934                 "int_16") == 0, "Add field of type signed integer to an event");
 935         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 936                 "complex_structure") == 0,
 937                 "Add composite structure to an event");
 938
 939         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 940                 "bt_ctf_event_class_get_name handles NULL correctly");
 941         ret_string = bt_ctf_event_class_get_name(event_class);
 942         ok(!strcmp(ret_string, complex_test_event_string),
 943                 "bt_ctf_event_class_get_name returns a correct name");
 944         ok(bt_ctf_event_class_get_id(event_class) < 0,
 945                 "bt_ctf_event_class_get_id returns a negative value when not set");
 946         ok(bt_ctf_event_class_get_id(NULL) < 0,
 947                 "bt_ctf_event_class_get_id handles NULL correctly");
 948         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 949                 "bt_ctf_event_class_set_id handles NULL correctly");
 950         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 951                 "Set an event class' id");
 952         ok(bt_ctf_event_class_get_id(event_class) == 42,
 953                 "bt_ctf_event_class_get_id returns the correct value");
 954
 955         /* Test event class attributes */
 956         assert(obj = bt_value_integer_create_init(15));
 957         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 958                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 959         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 960                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 961         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 962                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 963         assert(!bt_value_integer_set(obj, -3));
 964         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 965                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 966         assert(!bt_value_integer_set(obj, 11));
 967         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 968         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 969                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 970         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 971         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 972         ok(ret,
 973                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 974         BT_PUT(obj);
 975
 976         obj = bt_value_integer_create_init(5);
 977         assert(obj);
 978         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 979                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 980         BT_PUT(obj);
 981         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 982                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 983         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 984                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 985         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 986                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 987         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 988                 "loglevel");
 989         int64_value = 0;
 990         ret = bt_value_integer_get(obj, &int64_value);
 991         ok(obj && !ret && int64_value == 5,
 992                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 993         BT_PUT(obj);
 994
 995         assert(obj = bt_value_string_create_init("nu name"));
 996         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 997         ret_string = bt_ctf_event_class_get_name(event_class);
 998         ok(!strcmp(ret_string, "nu name"),
 999                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1000         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1001         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1002         ok(ret,
1003                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1004         BT_PUT(obj);
1005         obj = bt_value_string_create_init("http://kernel.org/");
1006         assert(obj);
1007         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1008         BT_PUT(obj);
1009
1010         ok(bt_ctf_event_class_get_attribute_count(NULL),
1011                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1012         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1013                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1014         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1015                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1016         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1017                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1018         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1019                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1020         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1021                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1022
1023         memset(&attrs_count, 0, sizeof(attrs_count));
1024
1025         for (i = 0; i < 4; ++i) {
1026                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1027                         i);
1028                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1029                 assert(ret_string && obj);
1030
1031                 if (!strcmp(ret_string, "id")) {
1032                         attrs_count.id++;
1033                         ok(bt_value_is_integer(obj),
1034                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1035                                 ret_string);
1036                 } else if (!strcmp(ret_string, "name")) {
1037                         attrs_count.name++;
1038                         ok(bt_value_is_string(obj),
1039                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1040                                 ret_string);
1041                 } else if (!strcmp(ret_string, "loglevel")) {
1042                         attrs_count.loglevel++;
1043                         ok(bt_value_is_integer(obj),
1044                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1045                                 ret_string);
1046                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1047                         attrs_count.modelemfuri++;
1048                         ok(bt_value_is_string(obj),
1049                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1050                                 ret_string);
1051                 } else {
1052                         attrs_count.unknown++;
1053                 }
1054
1055                 BT_PUT(obj);
1056         }
1057
1058         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1059         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1060                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1061                 "event class has one instance of each known attribute");
1062
1063         /* Add event class to the stream class */
1064         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1065                 "Reject addition of NULL event class to a stream class");
1066         ok(bt_ctf_stream_class_add_event_class(stream_class,
1067                 event_class) == 0, "Add an event class to stream class");
1068
1069         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1070                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1071         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1072         ok(ret_stream_class == stream_class,
1073                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1074         bt_put(ret_stream_class);
1075
1076         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1077                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1078         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1079                 "bt_ctf_event_class_get_field_count returns a correct value");
1080
1081         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1082                 &ret_field_type, 0) < 0,
1083                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1084         ok(bt_ctf_event_class_get_field(event_class, NULL,
1085                 &ret_field_type, 0) == 0,
1086                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1087         bt_put(ret_field_type);
1088         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1089                 NULL, 0) == 0,
1090                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1091         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1092                 &ret_field_type, 42) < 0,
1093                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1094         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1095                 &ret_field_type, 0) == 0,
1096                 "bt_ctf_event_class_get_field returns a field");
1097         ok(ret_field_type == uint_35_type,
1098                 "bt_ctf_event_class_get_field returns a correct field type");
1099         bt_put(ret_field_type);
1100         ok(!strcmp(ret_string, "uint_35"),
1101                 "bt_ctf_event_class_get_field returns a correct field name");
1102         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1103                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1104         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1105                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1106         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1107                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1108         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1109                 "complex_structure");
1110         ok(ret_field_type == complex_structure_type,
1111                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1112         bt_put(ret_field_type);
1113
1114         event = bt_ctf_event_create(event_class);
1115         ok(event, "Instanciate a complex event");
1116
1117         ok(bt_ctf_event_get_class(NULL) == NULL,
1118                 "bt_ctf_event_get_class handles NULL correctly");
1119         ret_event_class = bt_ctf_event_get_class(event);
1120         ok(ret_event_class == event_class,
1121                 "bt_ctf_event_get_class returns the correct event class");
1122         bt_put(ret_event_class);
1123
1124         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1125         if (!uint_35_field) {
1126                 printf("uint_35_field is NULL\n");
1127         }
1128
1129         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1130         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1131         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1132                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1133         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1134                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1135         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1136                 &ret_unsigned_int) == 0,
1137                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1138         ok(ret_unsigned_int == 0x0DDF00D,
1139                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1140         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1141                 &ret_signed_int) < 0,
1142                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1143         bt_put(uint_35_field);
1144
1145         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1146         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1147         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1148                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1149         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1150                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1151         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1152                 &ret_signed_int) == 0,
1153                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1154         ok(ret_signed_int == -12345,
1155                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1156         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1157                 &ret_unsigned_int) < 0,
1158                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1159         bt_put(int_16_field);
1160
1161         complex_structure_field = bt_ctf_event_get_payload(event,
1162                 "complex_structure");
1163
1164         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1165                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1166         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1167                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1168         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1169                 complex_structure_field, 3);
1170         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1171         bt_put(inner_structure_field);
1172         ok(ret_field_type == inner_structure_type,
1173                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1174         bt_put(ret_field_type);
1175
1176         inner_structure_field = bt_ctf_field_structure_get_field(
1177                 complex_structure_field, "inner_structure");
1178         a_string_field = bt_ctf_field_structure_get_field(
1179                 complex_structure_field, "a_string");
1180         enum_variant_field = bt_ctf_field_structure_get_field(
1181                 complex_structure_field, "variant_selector");
1182         variant_field = bt_ctf_field_structure_get_field(
1183                 complex_structure_field, "variant_value");
1184         uint_35_field = bt_ctf_field_structure_get_field(
1185                 inner_structure_field, "seq_len");
1186         a_sequence_field = bt_ctf_field_structure_get_field(
1187                 inner_structure_field, "a_sequence");
1188         an_array_field = bt_ctf_field_structure_get_field(
1189                 inner_structure_field, "an_array");
1190
1191         enum_container_field = bt_ctf_field_enumeration_get_container(
1192                 enum_variant_field);
1193         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1194         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1195                 enum_variant_field);
1196         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1197         bt_put(int_16_field);
1198         ok(!bt_ctf_field_string_get_value(a_string_field),
1199                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1200         bt_ctf_field_string_set_value(a_string_field,
1201                 test_string_1);
1202         ok(!bt_ctf_field_string_get_value(NULL),
1203                 "bt_ctf_field_string_get_value correctly handles NULL");
1204         ok(bt_ctf_field_string_append(NULL, "yeah"),
1205                 "bt_ctf_field_string_append correctly handles a NULL string field");
1206         ok(bt_ctf_field_string_append(a_string_field, NULL),
1207                 "bt_ctf_field_string_append correctly handles a NULL string value");
1208         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1209                 "bt_ctf_field_string_append succeeds");
1210         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1211                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1212         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1213                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1214         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1215                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1216         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1217                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1218         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1219                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1220         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1221                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1222
1223         ret_string = bt_ctf_field_string_get_value(a_string_field);
1224         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1225         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1226                 "bt_ctf_field_string_get_value returns a correct value");
1227         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1228                 SEQUENCE_TEST_LENGTH);
1229
1230         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1231                 enum_container_field) == NULL,
1232                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1233         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1234                 NULL) == NULL,
1235                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1236         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1237                 variant_type, enum_variant_field);
1238         ok(ret_field_type == int_16_type,
1239                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1240
1241         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1242                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1243         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1244                 uint_35_field) == 0, "Set a sequence field's length");
1245         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1246         ok(ret_field == uint_35_field,
1247                 "bt_ctf_field_sequence_get_length returns the correct length field");
1248         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1249                 "bt_ctf_field_sequence_get_length properly handles NULL");
1250
1251         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1252                 int_16_field = bt_ctf_field_sequence_get_field(
1253                         a_sequence_field, i);
1254                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1255                 bt_put(int_16_field);
1256         }
1257
1258         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1259                 int_16_field = bt_ctf_field_array_get_field(
1260                         an_array_field, i);
1261                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1262                 bt_put(int_16_field);
1263         }
1264
1265         bt_ctf_clock_set_time(clock, ++current_time);
1266         ok(bt_ctf_stream_append_event(stream, event) == 0,
1267                 "Append a complex event to a stream");
1268
1269         /*
1270          * Populate the custom packet context field with a dummy value
1271          * otherwise flush will fail.
1272          */
1273         packet_context = bt_ctf_stream_get_packet_context(stream);
1274         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1275                 "custom_packet_context_field");
1276         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1277
1278         ok(bt_ctf_stream_flush(stream) == 0,
1279                 "Flush a stream containing a complex event");
1280
1281         bt_put(uint_35_field);
1282         bt_put(a_string_field);
1283         bt_put(inner_structure_field);
1284         bt_put(complex_structure_field);
1285         bt_put(a_sequence_field);
1286         bt_put(an_array_field);
1287         bt_put(enum_variant_field);
1288         bt_put(enum_container_field);
1289         bt_put(variant_field);
1290         bt_put(ret_field);
1291         bt_put(packet_context_field);
1292         bt_put(packet_context);
1293         bt_put(uint_35_type);
1294         bt_put(int_16_type);
1295         bt_put(string_type);
1296         bt_put(sequence_type);
1297         bt_put(array_type);
1298         bt_put(inner_structure_type);
1299         bt_put(complex_structure_type);
1300         bt_put(uint_3_type);
1301         bt_put(enum_variant_type);
1302         bt_put(variant_type);
1303         bt_put(ret_field_type);
1304         bt_put(event_class);
1305         bt_put(event);
1306 }
1307
1308 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1309         struct bt_ctf_field_type *expected_type, const char *name)
1310 {
1311         struct bt_ctf_field_type *copy_type;
1312
1313         copy_type = bt_ctf_field_get_type(field);
1314         ok(copy_type == expected_type,
1315                 "bt_ctf_field_copy does not copy the type (%s)", name);
1316         bt_put(copy_type);
1317 }
1318
1319 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1320         struct bt_ctf_field *field_b, const char *name)
1321 {
1322         ok(field_a != field_b,
1323                 "bt_ctf_field_copy creates different pointers (%s)", name);
1324 }
1325
1326 void field_copy_tests()
1327 {
1328         struct bt_ctf_field_type *len_type = NULL;
1329         struct bt_ctf_field_type *fp_type = NULL;
1330         struct bt_ctf_field_type *s_type = NULL;
1331         struct bt_ctf_field_type *e_int_type = NULL;
1332         struct bt_ctf_field_type *e_type = NULL;
1333         struct bt_ctf_field_type *v_type = NULL;
1334         struct bt_ctf_field_type *v_label1_type = NULL;
1335         struct bt_ctf_field_type *v_label1_array_type = NULL;
1336         struct bt_ctf_field_type *v_label2_type = NULL;
1337         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1338         struct bt_ctf_field_type *strct_type = NULL;
1339         struct bt_ctf_field *len = NULL;
1340         struct bt_ctf_field *fp = NULL;
1341         struct bt_ctf_field *s = NULL;
1342         struct bt_ctf_field *e_int = NULL;
1343         struct bt_ctf_field *e = NULL;
1344         struct bt_ctf_field *v = NULL;
1345         struct bt_ctf_field *v_selected = NULL;
1346         struct bt_ctf_field *v_selected_cur = NULL;
1347         struct bt_ctf_field *v_selected_0 = NULL;
1348         struct bt_ctf_field *v_selected_1 = NULL;
1349         struct bt_ctf_field *v_selected_2 = NULL;
1350         struct bt_ctf_field *v_selected_3 = NULL;
1351         struct bt_ctf_field *v_selected_4 = NULL;
1352         struct bt_ctf_field *v_selected_5 = NULL;
1353         struct bt_ctf_field *v_selected_6 = NULL;
1354         struct bt_ctf_field *a = NULL;
1355         struct bt_ctf_field *a_0 = NULL;
1356         struct bt_ctf_field *a_1 = NULL;
1357         struct bt_ctf_field *a_2 = NULL;
1358         struct bt_ctf_field *a_3 = NULL;
1359         struct bt_ctf_field *a_4 = NULL;
1360         struct bt_ctf_field *strct = NULL;
1361         struct bt_ctf_field *len_copy = NULL;
1362         struct bt_ctf_field *fp_copy = NULL;
1363         struct bt_ctf_field *s_copy = NULL;
1364         struct bt_ctf_field *e_int_copy = NULL;
1365         struct bt_ctf_field *e_copy = NULL;
1366         struct bt_ctf_field *v_copy = NULL;
1367         struct bt_ctf_field *v_selected_copy = NULL;
1368         struct bt_ctf_field *v_selected_copy_len = NULL;
1369         struct bt_ctf_field *v_selected_0_copy = NULL;
1370         struct bt_ctf_field *v_selected_1_copy = NULL;
1371         struct bt_ctf_field *v_selected_2_copy = NULL;
1372         struct bt_ctf_field *v_selected_3_copy = NULL;
1373         struct bt_ctf_field *v_selected_4_copy = NULL;
1374         struct bt_ctf_field *v_selected_5_copy = NULL;
1375         struct bt_ctf_field *v_selected_6_copy = NULL;
1376         struct bt_ctf_field *a_copy = NULL;
1377         struct bt_ctf_field *a_0_copy = NULL;
1378         struct bt_ctf_field *a_1_copy = NULL;
1379         struct bt_ctf_field *a_2_copy = NULL;
1380         struct bt_ctf_field *a_3_copy = NULL;
1381         struct bt_ctf_field *a_4_copy = NULL;
1382         struct bt_ctf_field *strct_copy = NULL;
1383         uint64_t uint64_t_val;
1384         const char *str_val;
1385         double double_val;
1386         int ret;
1387
1388         /* create len type */
1389         len_type = bt_ctf_field_type_integer_create(32);
1390         assert(len_type);
1391
1392         /* create fp type */
1393         fp_type = bt_ctf_field_type_floating_point_create();
1394         assert(fp_type);
1395
1396         /* create s type */
1397         s_type = bt_ctf_field_type_string_create();
1398         assert(s_type);
1399
1400         /* create e_int type */
1401         e_int_type = bt_ctf_field_type_integer_create(8);
1402         assert(e_int_type);
1403
1404         /* create e type */
1405         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1406         assert(e_type);
1407         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1408                 10, 15);
1409         assert(!ret);
1410         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1411                 23, 23);
1412         assert(!ret);
1413
1414         /* create v_label1 type */
1415         v_label1_type = bt_ctf_field_type_string_create();
1416         assert(v_label1_type);
1417
1418         /* create v_label1_array type */
1419         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1420         assert(v_label1_array_type);
1421
1422         /* create v_label2 type */
1423         v_label2_type = bt_ctf_field_type_integer_create(16);
1424         assert(v_label2_type);
1425
1426         /* create v_label2_seq type */
1427         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1428                 "len");
1429         assert(v_label2_seq_type);
1430
1431         /* create v type */
1432         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1433         assert(v_type);
1434         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1435                 "LABEL1");
1436         assert(!ret);
1437         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1438                 "LABEL2");
1439         assert(!ret);
1440
1441         /* create strct type */
1442         strct_type = bt_ctf_field_type_structure_create();
1443         assert(strct_type);
1444         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1445                 "len");
1446         assert(!ret);
1447         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1448         assert(!ret);
1449         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1450         assert(!ret);
1451         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1452         assert(!ret);
1453         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1454         assert(!ret);
1455         ret = bt_ctf_field_type_structure_add_field(strct_type,
1456                 v_label1_array_type, "a");
1457         assert(!ret);
1458
1459         /* create strct */
1460         strct = bt_ctf_field_create(strct_type);
1461         assert(strct);
1462
1463         /* get len field */
1464         len = bt_ctf_field_structure_get_field(strct, "len");
1465         assert(len);
1466
1467         /* get fp field */
1468         fp = bt_ctf_field_structure_get_field(strct, "fp");
1469         assert(fp);
1470
1471         /* get s field */
1472         s = bt_ctf_field_structure_get_field(strct, "s");
1473         assert(s);
1474
1475         /* get e field */
1476         e = bt_ctf_field_structure_get_field(strct, "e");
1477         assert(e);
1478
1479         /* get e_int (underlying integer) */
1480         e_int = bt_ctf_field_enumeration_get_container(e);
1481         assert(e_int);
1482
1483         /* get v field */
1484         v = bt_ctf_field_structure_get_field(strct, "v");
1485         assert(v);
1486
1487         /* get a field */
1488         a = bt_ctf_field_structure_get_field(strct, "a");
1489         assert(a);
1490
1491         /* set len field */
1492         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1493         assert(!ret);
1494
1495         /* set fp field */
1496         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1497         assert(!ret);
1498
1499         /* set s field */
1500         ret = bt_ctf_field_string_set_value(s, "btbt");
1501         assert(!ret);
1502
1503         /* set e field (LABEL2) */
1504         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1505         assert(!ret);
1506
1507         /* set v field */
1508         v_selected = bt_ctf_field_variant_get_field(v, e);
1509         assert(v_selected);
1510         ok(!bt_ctf_field_variant_get_current_field(NULL),
1511                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1512         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1513         ok(v_selected_cur == v_selected,
1514                 "bt_ctf_field_variant_get_current_field returns the current field");
1515         bt_put(v_selected_cur);
1516
1517         /* set selected v field */
1518         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1519         assert(!ret);
1520         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1521         assert(v_selected_0);
1522         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1523         assert(!ret);
1524         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1525         assert(v_selected_1);
1526         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1527         assert(!ret);
1528         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1529         assert(v_selected_2);
1530         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1531         assert(!ret);
1532         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1533         assert(v_selected_3);
1534         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1535         assert(!ret);
1536         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1537         assert(v_selected_4);
1538         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1539         assert(!ret);
1540         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1541         assert(v_selected_5);
1542         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1543         assert(!ret);
1544         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1545         assert(v_selected_6);
1546         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1547         assert(!ret);
1548
1549         /* set a field */
1550         a_0 = bt_ctf_field_array_get_field(a, 0);
1551         assert(a_0);
1552         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1553         assert(!ret);
1554         a_1 = bt_ctf_field_array_get_field(a, 1);
1555         assert(a_1);
1556         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1557         assert(!ret);
1558         a_2 = bt_ctf_field_array_get_field(a, 2);
1559         assert(a_2);
1560         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1561         assert(!ret);
1562         a_3 = bt_ctf_field_array_get_field(a, 3);
1563         assert(a_3);
1564         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1565         assert(!ret);
1566         a_4 = bt_ctf_field_array_get_field(a, 4);
1567         assert(a_4);
1568         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1569         assert(!ret);
1570
1571         /* create copy of strct */
1572         ok(!bt_ctf_field_copy(NULL),
1573                 "bt_ctf_field_copy handles NULL correctly");
1574         strct_copy = bt_ctf_field_copy(strct);
1575         ok(strct_copy,
1576                 "bt_ctf_field_copy returns a valid pointer");
1577
1578         /* get all copied fields */
1579         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1580         assert(len_copy);
1581         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1582         assert(fp_copy);
1583         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1584         assert(s_copy);
1585         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1586         assert(e_copy);
1587         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1588         assert(e_int_copy);
1589         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1590         assert(v_copy);
1591         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1592         assert(v_selected_copy);
1593         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1594         assert(v_selected_0_copy);
1595         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1596         assert(v_selected_1_copy);
1597         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1598         assert(v_selected_2_copy);
1599         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1600         assert(v_selected_3_copy);
1601         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1602         assert(v_selected_4_copy);
1603         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1604         assert(v_selected_5_copy);
1605         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1606         assert(v_selected_6_copy);
1607         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1608                 "sequence field copy is not too large");
1609         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1610         assert(a_copy);
1611         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1612         assert(a_0_copy);
1613         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1614         assert(a_1_copy);
1615         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1616         assert(a_2_copy);
1617         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1618         assert(a_3_copy);
1619         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1620         assert(a_4_copy);
1621         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1622                 "array field copy is not too large");
1623
1624         /* make sure copied fields are different pointers */
1625         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1626         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1627         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1628         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1629         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1630         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1631         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1632         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1633                 "v_selected");
1634         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1635                 "v_selected_0");
1636         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1637                 "v_selected_1");
1638         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1639                 "v_selected_2");
1640         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1641                 "v_selected_3");
1642         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1643                 "v_selected_4");
1644         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1645                 "v_selected_5");
1646         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1647                 "v_selected_6");
1648         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1649         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1650         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1651         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1652         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1653         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1654
1655         /* make sure copied fields share the same types */
1656         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1657         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1658         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1659         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1660         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1661         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1662         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1663                 "v_selected");
1664         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1665                 "v_selected_0");
1666         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1667                 "v_selected_1");
1668         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1669                 "v_selected_2");
1670         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1671                 "v_selected_3");
1672         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1673                 "v_selected_4");
1674         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1675                 "v_selected_5");
1676         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1677                 "v_selected_6");
1678         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1679         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1680         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1681         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1682         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1683         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1684
1685         /* validate len copy */
1686         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1687         assert(!ret);
1688         ok(uint64_t_val == 7,
1689                 "bt_ctf_field_copy creates a valid integer field copy");
1690
1691         /* validate fp copy */
1692         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1693         assert(!ret);
1694         ok(double_val == 3.14,
1695                 "bt_ctf_field_copy creates a valid floating point number field copy");
1696
1697         /* validate s copy */
1698         str_val = bt_ctf_field_string_get_value(s_copy);
1699         ok(str_val && !strcmp(str_val, "btbt"),
1700                 "bt_ctf_field_copy creates a valid string field copy");
1701
1702         /* validate e_int copy */
1703         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1704                 &uint64_t_val);
1705         assert(!ret);
1706         ok(uint64_t_val == 23,
1707                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1708
1709         /* validate e copy */
1710         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1711         ok(str_val && !strcmp(str_val, "LABEL2"),
1712                 "bt_ctf_field_copy creates a valid enum field copy");
1713
1714         /* validate v_selected copy */
1715         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1716         assert(v_selected_copy_len);
1717         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1718                 &uint64_t_val);
1719         assert(!ret);
1720         ok(uint64_t_val == 7,
1721                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1722         bt_put(v_selected_copy_len);
1723         v_selected_copy_len = NULL;
1724
1725         /* validate v_selected copy fields */
1726         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1727                 &uint64_t_val);
1728         assert(!ret);
1729         ok(uint64_t_val == 7,
1730                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1731         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1732                 &uint64_t_val);
1733         assert(!ret);
1734         ok(uint64_t_val == 6,
1735                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1736         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1737                 &uint64_t_val);
1738         assert(!ret);
1739         ok(uint64_t_val == 5,
1740                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1741         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1742                 &uint64_t_val);
1743         assert(!ret);
1744         ok(uint64_t_val == 4,
1745                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1746         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1747                 &uint64_t_val);
1748         assert(!ret);
1749         ok(uint64_t_val == 3,
1750                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1751         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1752                 &uint64_t_val);
1753         assert(!ret);
1754         ok(uint64_t_val == 2,
1755                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1756         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1757                 &uint64_t_val);
1758         assert(!ret);
1759         ok(uint64_t_val == 1,
1760                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1761
1762         /* validate a copy fields */
1763         str_val = bt_ctf_field_string_get_value(a_0_copy);
1764         ok(str_val && !strcmp(str_val, "a_0"),
1765                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1766         str_val = bt_ctf_field_string_get_value(a_1_copy);
1767         ok(str_val && !strcmp(str_val, "a_1"),
1768                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1769         str_val = bt_ctf_field_string_get_value(a_2_copy);
1770         ok(str_val && !strcmp(str_val, "a_2"),
1771                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1772         str_val = bt_ctf_field_string_get_value(a_3_copy);
1773         ok(str_val && !strcmp(str_val, "a_3"),
1774                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1775         str_val = bt_ctf_field_string_get_value(a_4_copy);
1776         ok(str_val && !strcmp(str_val, "a_4"),
1777                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1778
1779         /* put everything */
1780         bt_put(len_type);
1781         bt_put(fp_type);
1782         bt_put(s_type);
1783         bt_put(e_int_type);
1784         bt_put(e_type);
1785         bt_put(v_type);
1786         bt_put(v_label1_type);
1787         bt_put(v_label1_array_type);
1788         bt_put(v_label2_type);
1789         bt_put(v_label2_seq_type);
1790         bt_put(strct_type);
1791         bt_put(len);
1792         bt_put(fp);
1793         bt_put(s);
1794         bt_put(e_int);
1795         bt_put(e);
1796         bt_put(v);
1797         bt_put(v_selected);
1798         bt_put(v_selected_0);
1799         bt_put(v_selected_1);
1800         bt_put(v_selected_2);
1801         bt_put(v_selected_3);
1802         bt_put(v_selected_4);
1803         bt_put(v_selected_5);
1804         bt_put(v_selected_6);
1805         bt_put(a);
1806         bt_put(a_0);
1807         bt_put(a_1);
1808         bt_put(a_2);
1809         bt_put(a_3);
1810         bt_put(a_4);
1811         bt_put(strct);
1812         bt_put(len_copy);
1813         bt_put(fp_copy);
1814         bt_put(s_copy);
1815         bt_put(e_int_copy);
1816         bt_put(e_copy);
1817         bt_put(v_copy);
1818         bt_put(v_selected_copy);
1819         bt_put(v_selected_0_copy);
1820         bt_put(v_selected_1_copy);
1821         bt_put(v_selected_2_copy);
1822         bt_put(v_selected_3_copy);
1823         bt_put(v_selected_4_copy);
1824         bt_put(v_selected_5_copy);
1825         bt_put(v_selected_6_copy);
1826         bt_put(a_copy);
1827         bt_put(a_0_copy);
1828         bt_put(a_1_copy);
1829         bt_put(a_2_copy);
1830         bt_put(a_3_copy);
1831         bt_put(a_4_copy);
1832         bt_put(strct_copy);
1833 }
1834
1835 void type_field_tests()
1836 {
1837         struct bt_ctf_field *uint_12;
1838         struct bt_ctf_field *int_16;
1839         struct bt_ctf_field *string;
1840         struct bt_ctf_field *enumeration;
1841         struct bt_ctf_field_type *composite_structure_type;
1842         struct bt_ctf_field_type *structure_seq_type;
1843         struct bt_ctf_field_type *string_type;
1844         struct bt_ctf_field_type *sequence_type;
1845         struct bt_ctf_field_type *uint_8_type;
1846         struct bt_ctf_field_type *int_16_type;
1847         struct bt_ctf_field_type *uint_12_type =
1848                 bt_ctf_field_type_integer_create(12);
1849         struct bt_ctf_field_type *enumeration_type;
1850         struct bt_ctf_field_type *enumeration_sequence_type;
1851         struct bt_ctf_field_type *enumeration_array_type;
1852         struct bt_ctf_field_type *returned_type;
1853         const char *ret_string;
1854
1855         returned_type = bt_ctf_field_get_type(NULL);
1856         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1857
1858         ok(uint_12_type, "Create an unsigned integer type");
1859         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1860                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1861                 "Set integer type's base as binary");
1862         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1863                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1864                 "Set integer type's base as decimal");
1865         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1866                 BT_CTF_INTEGER_BASE_UNKNOWN),
1867                 "Reject integer type's base set as unknown");
1868         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1869                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1870                 "Set integer type's base as octal");
1871         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1872                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1873                 "Set integer type's base as hexadecimal");
1874         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1875                 "Reject unknown integer base value");
1876         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1877                 "Set integer type signedness to signed");
1878         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1879                 "Set integer type signedness to unsigned");
1880         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1881                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1882         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1883                 "bt_ctf_field_type_integer_get_size returns a correct value");
1884         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1885                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1886         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1887                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1888
1889         ok(bt_ctf_field_type_set_byte_order(NULL,
1890                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1891                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1892         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1893                 (enum bt_ctf_byte_order) 42) < 0,
1894                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1895         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1896                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1897                 "Set an integer's byte order to little endian");
1898         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1899                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1900                 "Set an integer's byte order to big endian");
1901         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1902                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1903                 "bt_ctf_field_type_get_byte_order returns a correct value");
1904         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1905                 BT_CTF_BYTE_ORDER_UNKNOWN,
1906                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1907
1908         ok(bt_ctf_field_type_get_type_id(NULL) ==
1909                 CTF_TYPE_UNKNOWN,
1910                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1911         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1912                 CTF_TYPE_INTEGER,
1913                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1914
1915         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1916                 BT_CTF_INTEGER_BASE_UNKNOWN,
1917                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1918         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1919                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1920                 "bt_ctf_field_type_integer_get_base returns a correct value");
1921
1922         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1923                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1924         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1925                 (enum ctf_string_encoding) 123) < 0,
1926                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1927         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1928                 CTF_STRING_UTF8) == 0,
1929                 "Set integer type encoding to UTF8");
1930         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1931                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1932         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1933                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1934
1935         int_16_type = bt_ctf_field_type_integer_create(16);
1936         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1937         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1938                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1939         uint_8_type = bt_ctf_field_type_integer_create(8);
1940         sequence_type =
1941                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1942         ok(sequence_type, "Create a sequence of int16_t type");
1943         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1944                 CTF_TYPE_SEQUENCE,
1945                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1946
1947         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1948                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1949         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1950                 sequence_type);
1951         ok(!strcmp(ret_string, "seq_len"),
1952                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1953         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1954                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1955         returned_type = bt_ctf_field_type_sequence_get_element_type(
1956                 sequence_type);
1957         ok(returned_type == int_16_type,
1958                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1959         bt_put(returned_type);
1960
1961         string_type = bt_ctf_field_type_string_create();
1962         ok(string_type, "Create a string type");
1963         ok(bt_ctf_field_type_string_set_encoding(string_type,
1964                 CTF_STRING_NONE),
1965                 "Reject invalid \"None\" string encoding");
1966         ok(bt_ctf_field_type_string_set_encoding(string_type,
1967                 42),
1968                 "Reject invalid string encoding");
1969         ok(bt_ctf_field_type_string_set_encoding(string_type,
1970                 CTF_STRING_ASCII) == 0,
1971                 "Set string encoding to ASCII");
1972
1973         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1974                 CTF_STRING_UNKNOWN,
1975                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1976         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1977                 CTF_STRING_ASCII,
1978                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1979
1980         structure_seq_type = bt_ctf_field_type_structure_create();
1981         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1982                 CTF_TYPE_STRUCT,
1983                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1984         ok(structure_seq_type, "Create a structure type");
1985         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1986                 uint_8_type, "seq_len") == 0,
1987                 "Add a uint8_t type to a structure");
1988         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1989                 sequence_type, "a_sequence") == 0,
1990                 "Add a sequence type to a structure");
1991
1992         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1993                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1994         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1995                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1996
1997         ok(bt_ctf_field_type_structure_get_field(NULL,
1998                 &ret_string, &returned_type, 1) < 0,
1999                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2000         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2001                 NULL, &returned_type, 1) == 0,
2002                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2003         bt_put(returned_type);
2004         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2005                 &ret_string, NULL, 1) == 0,
2006                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2007         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2008                 &ret_string, &returned_type, 10) < 0,
2009                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2010         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2011                 &ret_string, &returned_type, 1) == 0,
2012                 "bt_ctf_field_type_structure_get_field returns a field");
2013         ok(!strcmp(ret_string, "a_sequence"),
2014                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2015         ok(returned_type == sequence_type,
2016                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2017         bt_put(returned_type);
2018
2019         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2020                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2021         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2022                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2023         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2024                 structure_seq_type, "a_sequence");
2025         ok(returned_type == sequence_type,
2026                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2027         bt_put(returned_type);
2028
2029         composite_structure_type = bt_ctf_field_type_structure_create();
2030         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2031                 string_type, "a_string") == 0,
2032                 "Add a string type to a structure");
2033         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2034                 structure_seq_type, "inner_structure") == 0,
2035                 "Add a structure type to a structure");
2036
2037         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2038                 NULL, "a_sequence") == NULL,
2039                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2040         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2041                 structure_seq_type, NULL) == NULL,
2042                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2043         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2044                 structure_seq_type, "a_sequence");
2045         ok(returned_type == sequence_type,
2046                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2047         bt_put(returned_type);
2048
2049         int_16 = bt_ctf_field_create(int_16_type);
2050         ok(int_16, "Instanciate a signed 16-bit integer");
2051         uint_12 = bt_ctf_field_create(uint_12_type);
2052         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2053         returned_type = bt_ctf_field_get_type(int_16);
2054         ok(returned_type == int_16_type,
2055                 "bt_ctf_field_get_type returns the correct type");
2056
2057         /* Can't modify types after instanciating them */
2058         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2059                 BT_CTF_INTEGER_BASE_DECIMAL),
2060                 "Check an integer type' base can't be modified after instanciation");
2061         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2062                 "Check an integer type's signedness can't be modified after instanciation");
2063
2064         /* Check signed property is checked */
2065         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2066                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2067         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2068                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2069
2070         /* Check overflows are properly tested for */
2071         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2072                 "Check -32768 is allowed for a signed 16-bit integer");
2073         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2074                 "Check 32767 is allowed for a signed 16-bit integer");
2075         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2076                 "Check 32768 is not allowed for a signed 16-bit integer");
2077         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2078                 "Check -32769 is not allowed for a signed 16-bit integer");
2079         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2080                 "Check -42 is allowed for a signed 16-bit integer");
2081
2082         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2083                 "Check 4095 is allowed for an unsigned 12-bit integer");
2084         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2085                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2086         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2087                 "Check 0 is allowed for an unsigned 12-bit integer");
2088
2089         string = bt_ctf_field_create(string_type);
2090         ok(string, "Instanciate a string field");
2091         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2092                 "Set a string's value");
2093
2094         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2095         ok(enumeration_type,
2096                 "Create an enumeration type with an unsigned 12-bit integer as container");
2097         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
2098                 enumeration_type, "count");
2099         ok(!enumeration_sequence_type,
2100                 "Check enumeration types are validated when creating a sequence");
2101         enumeration_array_type = bt_ctf_field_type_array_create(
2102                 enumeration_type, 10);
2103         ok(!enumeration_array_type,
2104                 "Check enumeration types are validated when creating an array");
2105         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2106                 enumeration_type, "enumeration"),
2107                 "Check enumeration types are validated when adding them as structure members");
2108         enumeration = bt_ctf_field_create(enumeration_type);
2109         ok(!enumeration,
2110                 "Check enumeration types are validated before instantiation");
2111
2112         bt_put(string);
2113         bt_put(uint_12);
2114         bt_put(int_16);
2115         bt_put(enumeration);
2116         bt_put(composite_structure_type);
2117         bt_put(structure_seq_type);
2118         bt_put(string_type);
2119         bt_put(sequence_type);
2120         bt_put(uint_8_type);
2121         bt_put(int_16_type);
2122         bt_put(uint_12_type);
2123         bt_put(enumeration_type);
2124         bt_put(enumeration_sequence_type);
2125         bt_put(enumeration_array_type);
2126         bt_put(returned_type);
2127 }
2128
2129 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2130                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2131 {
2132         /*
2133          * Append enough events to force the underlying packet to be resized.
2134          * Also tests that a new event can be declared after a stream has been
2135          * instantiated and used/flushed.
2136          */
2137         int ret = 0;
2138         int i;
2139         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2140                 "Spammy_Event");
2141         struct bt_ctf_field_type *integer_type =
2142                 bt_ctf_field_type_integer_create(17);
2143         struct bt_ctf_field_type *string_type =
2144                 bt_ctf_field_type_string_create();
2145         struct bt_ctf_event *event = NULL;
2146         struct bt_ctf_field *ret_field = NULL;
2147         struct bt_ctf_field_type *ret_field_type = NULL;
2148         uint64_t ret_uint64;
2149         int events_appended = 0;
2150         struct bt_ctf_field *packet_context = NULL,
2151                 *packet_context_field = NULL, *event_context = NULL;
2152
2153         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2154                 "field_1");
2155         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2156                 "a_string");
2157         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2158         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2159         if (ret) {
2160                 goto end;
2161         }
2162
2163         event = bt_ctf_event_create(event_class);
2164         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2165         ret_field_type = bt_ctf_field_get_type(ret_field);
2166         ok(ret_field_type == integer_type,
2167                 "bt_ctf_event_get_payload_by_index returns a correct field");
2168         bt_put(ret_field_type);
2169         bt_put(ret_field);
2170
2171         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2172                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2173         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2174                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2175         bt_put(event);
2176
2177         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2178                 "bt_ctf_stream_get_event_context handles NULL correctly");
2179         event_context = bt_ctf_stream_get_event_context(stream);
2180         ok(event_context,
2181                 "bt_ctf_stream_get_event_context returns a stream event context");
2182         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2183                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2184         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2185                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2186         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2187                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2188         ret_field = bt_ctf_field_create(integer_type);
2189         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2190                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2191         bt_put(ret_field);
2192
2193         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2194                 event = bt_ctf_event_create(event_class);
2195                 struct bt_ctf_field *integer =
2196                         bt_ctf_field_create(integer_type);
2197                 struct bt_ctf_field *string =
2198                         bt_ctf_field_create(string_type);
2199
2200                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2201                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2202                 ret |= bt_ctf_event_set_payload(event, "field_1",
2203                         integer);
2204                 bt_put(integer);
2205                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2206                 ret |= bt_ctf_event_set_payload(event, "a_string",
2207                         string);
2208                 bt_put(string);
2209
2210                 /* Populate stream event context */
2211                 integer = bt_ctf_field_structure_get_field(event_context,
2212                         "common_event_context");
2213                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2214                         i % 42);
2215                 bt_put(integer);
2216
2217                 ret |= bt_ctf_stream_append_event(stream, event);
2218                 bt_put(event);
2219
2220                 if (ret) {
2221                         break;
2222                 }
2223         }
2224
2225         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2226         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2227                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2228         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2229                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2230         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2231         ok(ret == 0 && ret_uint64 == 0,
2232                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2233         bt_ctf_stream_append_discarded_events(stream, 1000);
2234         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2235         ok(ret == 0 && ret_uint64 == 1000,
2236                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2237
2238 end:
2239         ok(events_appended, "Append 100 000 events to a stream");
2240
2241         /*
2242          * Populate the custom packet context field with a dummy value
2243          * otherwise flush will fail.
2244          */
2245         packet_context = bt_ctf_stream_get_packet_context(stream);
2246         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2247                 "custom_packet_context_field");
2248         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2249
2250         ok(bt_ctf_stream_flush(stream) == 0,
2251                 "Flush a stream that forces a packet resize");
2252         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2253         ok(ret == 0 && ret_uint64 == 1000,
2254                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2255         bt_put(integer_type);
2256         bt_put(string_type);
2257         bt_put(packet_context);
2258         bt_put(packet_context_field);
2259         bt_put(event_context);
2260         bt_put(event_class);
2261 }
2262
2263 void test_empty_stream(struct bt_ctf_writer *writer)
2264 {
2265         int ret = 0;
2266         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2267         struct bt_ctf_stream_class *stream_class = NULL;
2268         struct bt_ctf_stream *stream = NULL;
2269
2270         trace = bt_ctf_writer_get_trace(writer);
2271         if (!trace) {
2272                 diag("Failed to get trace from writer");
2273                 ret = -1;
2274                 goto end;
2275         }
2276
2277         stream_class = bt_ctf_stream_class_create("empty_stream");
2278         if (!stream_class) {
2279                 diag("Failed to create stream class");
2280                 ret = -1;
2281                 goto end;
2282         }
2283
2284         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2285                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2286         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2287                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2288
2289         stream = bt_ctf_writer_create_stream(writer, stream_class);
2290         if (!stream) {
2291                 diag("Failed to create writer stream");
2292                 ret = -1;
2293                 goto end;
2294         }
2295
2296         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2297         ok(ret_trace == trace,
2298                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2299 end:
2300         ok(ret == 0,
2301                 "Created a stream class with default attributes and an empty stream");
2302         bt_put(trace);
2303         bt_put(ret_trace);
2304         bt_put(stream);
2305         bt_put(stream_class);
2306 }
2307
2308 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2309 {
2310         int i, ret;
2311         struct bt_ctf_trace *trace = NULL;
2312         struct bt_ctf_clock *clock = NULL;
2313         struct bt_ctf_stream_class *stream_class = NULL;
2314         struct bt_ctf_stream *stream = NULL;
2315         struct bt_ctf_field_type *integer_type = NULL,
2316                 *sequence_type = NULL, *event_header_type = NULL;
2317         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2318                 *event_header = NULL, *packet_header = NULL;
2319         struct bt_ctf_event_class *event_class = NULL;
2320         struct bt_ctf_event *event = NULL;
2321
2322         trace = bt_ctf_writer_get_trace(writer);
2323         if (!trace) {
2324                 fail("Failed to get trace from writer");
2325                 goto end;
2326         }
2327
2328         clock = bt_ctf_trace_get_clock(trace, 0);
2329         if (!clock) {
2330                 fail("Failed to get clock from trace");
2331                 goto end;
2332         }
2333
2334         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2335         if (!stream_class) {
2336                 fail("Failed to create stream class");
2337                 goto end;
2338         }
2339
2340         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2341         if (ret) {
2342                 fail("Failed to set stream class clock");
2343                 goto end;
2344         }
2345
2346         /*
2347          * Customize event header to add an "seq_len" integer member
2348          * which will be used as the length of a sequence in an event of this
2349          * stream.
2350          */
2351         event_header_type = bt_ctf_stream_class_get_event_header_type(
2352                 stream_class);
2353         if (!event_header_type) {
2354                 fail("Failed to get event header type");
2355                 goto end;
2356         }
2357
2358         integer_type = bt_ctf_field_type_integer_create(13);
2359         if (!integer_type) {
2360                 fail("Failed to create length integer type");
2361                 goto end;
2362         }
2363
2364         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2365                 integer_type, "seq_len");
2366         if (ret) {
2367                 fail("Failed to add a new field to stream event header");
2368                 goto end;
2369         }
2370
2371         event_class = bt_ctf_event_class_create("sequence_event");
2372         if (!event_class) {
2373                 fail("Failed to create event class");
2374                 goto end;
2375         }
2376
2377         /*
2378          * This event's payload will contain a sequence which references
2379          * stream.event.header.seq_len as its length field.
2380          */
2381         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2382                 "stream.event.header.seq_len");
2383         if (!sequence_type) {
2384                 fail("Failed to create a sequence");
2385                 goto end;
2386         }
2387
2388         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2389                 "some_sequence");
2390         if (ret) {
2391                 fail("Failed to add a sequence to an event class");
2392                 goto end;
2393         }
2394
2395         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2396         if (ret) {
2397                 fail("Failed to add event class to stream class");
2398                 goto end;
2399         }
2400
2401         stream = bt_ctf_writer_create_stream(writer, stream_class);
2402         if (!stream) {
2403                 fail("Failed to create stream")
2404                 goto end;
2405         }
2406
2407         /*
2408          * We have defined a custom packet header field. We have to populate it
2409          * explicitly.
2410          */
2411         packet_header = bt_ctf_stream_get_packet_header(stream);
2412         if (!packet_header) {
2413                 fail("Failed to get stream packet header");
2414                 goto end;
2415         }
2416
2417         integer = bt_ctf_field_structure_get_field(packet_header,
2418                 "custom_trace_packet_header_field");
2419         if (!integer) {
2420                 fail("Failed to retrieve custom_trace_packet_header_field");
2421                 goto end;
2422         }
2423
2424         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2425         if (ret) {
2426                 fail("Failed to set custom_trace_packet_header_field value");
2427                 goto end;
2428         }
2429         bt_put(integer);
2430
2431         event = bt_ctf_event_create(event_class);
2432         if (!event) {
2433                 fail("Failed to create event");
2434                 goto end;
2435         }
2436
2437         event_header = bt_ctf_event_get_header(event);
2438         if (!event_header) {
2439                 fail("Failed to get event header");
2440                 goto end;
2441         }
2442
2443         integer = bt_ctf_field_structure_get_field(event_header,
2444                 "seq_len");
2445         if (!integer) {
2446                 fail("Failed to get seq_len field from event header");
2447                 goto end;
2448         }
2449
2450         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2451         if (ret) {
2452                 fail("Failed to set seq_len value in event header");
2453                 goto end;
2454         }
2455
2456         /* Populate both sequence integer fields */
2457         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2458         if (!sequence) {
2459                 fail("Failed to retrieve sequence from event");
2460                 goto end;
2461         }
2462
2463         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2464         if (ret) {
2465                 fail("Failed to set sequence length");
2466                 goto end;
2467         }
2468         bt_put(integer);
2469
2470         for (i = 0; i < 2; i++) {
2471                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2472                 if (ret) {
2473                         fail("Failed to retrieve sequence element");
2474                         goto end;
2475                 }
2476
2477                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2478                 if (ret) {
2479                         fail("Failed to set sequence element value");
2480                         goto end;
2481                 }
2482
2483                 bt_put(integer);
2484                 integer = NULL;
2485         }
2486
2487         ret = bt_ctf_stream_append_event(stream, event);
2488         if (ret) {
2489                 fail("Failed to append event to stream");
2490                 goto end;
2491         }
2492
2493         ret = bt_ctf_stream_flush(stream);
2494         if (ret) {
2495                 fail("Failed to flush custom_event_header stream");
2496         }
2497 end:
2498         bt_put(clock);
2499         bt_put(trace);
2500         bt_put(stream);
2501         bt_put(stream_class);
2502         bt_put(event_class);
2503         bt_put(event);
2504         bt_put(integer);
2505         bt_put(sequence);
2506         bt_put(event_header);
2507         bt_put(packet_header);
2508         bt_put(sequence_type);
2509         bt_put(integer_type);
2510         bt_put(event_header_type);
2511 }
2512
2513 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2514 {
2515         int ret = 0;
2516         struct bt_ctf_trace *trace = NULL;
2517         struct bt_ctf_clock *clock = NULL;
2518         struct bt_ctf_stream_class *stream_class = NULL;
2519         struct bt_ctf_stream *stream = NULL,
2520                 *ret_stream = NULL;
2521         struct bt_ctf_event_class *event_class = NULL;
2522         struct bt_ctf_event *event = NULL;
2523         struct bt_ctf_field_type *integer_type = NULL;
2524         struct bt_ctf_field *integer = NULL;
2525
2526         trace = bt_ctf_writer_get_trace(writer);
2527         if (!trace) {
2528                 diag("Failed to get trace from writer");
2529                 ret = -1;
2530                 goto end;
2531         }
2532
2533         clock = bt_ctf_trace_get_clock(trace, 0);
2534         if (!clock) {
2535                 diag("Failed to get clock from trace");
2536                 ret = -1;
2537                 goto end;
2538         }
2539
2540         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2541         if (!stream_class) {
2542                 diag("Failed to create stream class");
2543                 ret = -1;
2544                 goto end;
2545         }
2546
2547         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2548         if (ret) {
2549                 diag("Failed to set stream class clock");
2550                 goto end;
2551         }
2552
2553         event_class = bt_ctf_event_class_create("some_event_class_name");
2554         integer_type = bt_ctf_field_type_integer_create(32);
2555         if (!integer_type) {
2556                 diag("Failed to create integer field type");
2557                 ret = -1;
2558                 goto end;
2559         }
2560
2561         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2562                 "integer_field");
2563         if (ret) {
2564                 diag("Failed to add field to event class");
2565                 goto end;
2566         }
2567
2568         ret = bt_ctf_stream_class_add_event_class(stream_class,
2569                 event_class);
2570         if (ret) {
2571                 diag("Failed to add event class to stream class");
2572         }
2573
2574         event = bt_ctf_event_create(event_class);
2575         if (!event) {
2576                 diag("Failed to create event");
2577                 ret = -1;
2578                 goto end;
2579         }
2580
2581         integer = bt_ctf_event_get_payload_by_index(event, 0);
2582         if (!integer) {
2583                 diag("Failed to get integer field payload from event");
2584                 ret = -1;
2585                 goto end;
2586         }
2587
2588         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2589         if (ret) {
2590                 diag("Failed to set integer field value");
2591                 goto end;
2592         }
2593
2594         stream = bt_ctf_writer_create_stream(writer, stream_class);
2595         if (!stream) {
2596                 diag("Failed to create writer stream");
2597                 ret = -1;
2598                 goto end;
2599         }
2600
2601         ok(bt_ctf_event_get_stream(NULL) == NULL,
2602                 "bt_ctf_event_get_stream handles NULL correctly");
2603         ok(bt_ctf_event_get_stream(event) == NULL,
2604                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2605
2606         ret = bt_ctf_stream_append_event(stream, event);
2607         if (ret) {
2608                 diag("Failed to append event to stream");
2609                 goto end;
2610         }
2611
2612         ret_stream = bt_ctf_event_get_stream(event);
2613         ok(ret_stream == stream,
2614                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2615 end:
2616         ok(ret == 0,
2617                 "Create an event before instanciating its associated stream");
2618         bt_put(trace);
2619         bt_put(stream);
2620         bt_put(ret_stream);
2621         bt_put(stream_class);
2622         bt_put(event_class);
2623         bt_put(event);
2624         bt_put(integer_type);
2625         bt_put(integer);
2626         bt_put(clock);
2627 }
2628
2629 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2630 {
2631         struct bt_ctf_event_class *event_class;
2632
2633         assert(event_class = bt_ctf_event_class_create("Simple Event"));
2634         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2635                 "two event classes with the same name cannot cohabit within the same stream class");
2636         bt_put(event_class);
2637
2638         event_class = bt_ctf_event_class_create("different name, ok");
2639         assert(event_class);
2640         assert(!bt_ctf_event_class_set_id(event_class, 11));
2641         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2642                 "two event classes with the same ID cannot cohabit within the same stream class");
2643         bt_put(event_class);
2644 }
2645
2646 int main(int argc, char **argv)
2647 {
2648         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2649         char metadata_path[sizeof(trace_path) + 9];
2650         const char *clock_name = "test_clock";
2651         const char *clock_description = "This is a test clock";
2652         const char *returned_clock_name;
2653         const char *returned_clock_description;
2654         const uint64_t frequency = 1123456789;
2655         const uint64_t offset_s = 1351530929945824323;
2656         const uint64_t offset = 1234567;
2657         const uint64_t precision = 10;
2658         const int is_absolute = 0xFF;
2659         char *metadata_string;
2660         struct bt_ctf_writer *writer;
2661         struct utsname name;
2662         char hostname[BABELTRACE_HOST_NAME_MAX];
2663         struct bt_ctf_clock *clock, *ret_clock;
2664         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2665         struct bt_ctf_stream *stream1;
2666         const char *ret_string;
2667         const unsigned char *ret_uuid;
2668         unsigned char tmp_uuid[16] = { 0 };
2669         struct bt_ctf_field_type *packet_context_type,
2670                 *packet_context_field_type,
2671                 *packet_header_type,
2672                 *packet_header_field_type,
2673                 *integer_type,
2674                 *stream_event_context_type,
2675                 *ret_field_type,
2676                 *event_header_field_type;
2677         struct bt_ctf_field *packet_header, *packet_header_field;
2678         struct bt_ctf_trace *trace;
2679         int ret;
2680         int64_t ret_int64_t;
2681         struct bt_value *obj;
2682
2683         if (argc < 3) {
2684                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2685                 return -1;
2686         }
2687
2688         plan_no_plan();
2689
2690         if (!mkdtemp(trace_path)) {
2691                 perror("# perror");
2692         }
2693
2694         strcpy(metadata_path, trace_path);
2695         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2696
2697         writer = bt_ctf_writer_create(trace_path);
2698         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2699
2700         ok(!bt_ctf_writer_get_trace(NULL),
2701                 "bt_ctf_writer_get_trace correctly handles NULL");
2702         trace = bt_ctf_writer_get_trace(writer);
2703         ok(trace,
2704                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2705         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2706                 "Set a trace's byte order to big endian");
2707         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2708                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2709
2710         /* Add environment context to the trace */
2711         ret = gethostname(hostname, sizeof(hostname));
2712         if (ret < 0) {
2713                 return ret;
2714         }
2715         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2716                 "Add host (%s) environment field to writer instance",
2717                 hostname);
2718         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2719                 "test_value"),
2720                 "bt_ctf_writer_add_environment_field error with NULL writer");
2721         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2722                 "test_value"),
2723                 "bt_ctf_writer_add_environment_field error with NULL field name");
2724         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2725                 NULL),
2726                 "bt_ctf_writer_add_environment_field error with NULL field value");
2727
2728         /* Test bt_ctf_trace_set_environment_field with an integer object */
2729         obj = bt_value_integer_create_init(23);
2730         assert(obj);
2731         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2732                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2733         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2734                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2735         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2736                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2737         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2738                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2739         BT_PUT(obj);
2740
2741         /* Test bt_ctf_trace_set_environment_field with a string object */
2742         obj = bt_value_string_create_init("the value");
2743         assert(obj);
2744         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2745                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2746         BT_PUT(obj);
2747
2748         /* Test bt_ctf_trace_set_environment_field_integer */
2749         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2750                 -194875),
2751                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2752         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2753                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2754         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2755                 -164973),
2756                 "bt_ctf_trace_set_environment_field_integer succeeds");
2757
2758         /* Test bt_ctf_trace_set_environment_field_string */
2759         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2760                 "yeah"),
2761                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2762         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2763                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2764         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2765                 NULL),
2766                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2767         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2768                 "oh yeah"),
2769                 "bt_ctf_trace_set_environment_field_string succeeds");
2770
2771         /* Test bt_ctf_trace_get_environment_field_count */
2772         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2773                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2774         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2775                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2776
2777         /* Test bt_ctf_trace_get_environment_field_name */
2778         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2779                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2780         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2781                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2782         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2783                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2784         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2785         ok(ret_string && !strcmp(ret_string, "host"),
2786                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2787         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2788         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2789                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2790         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2791         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2792                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2793         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2794         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2795                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2796         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2797         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2798                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2799
2800         /* Test bt_ctf_trace_get_environment_field_value */
2801         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2802                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2803         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2804                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2805         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2806                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2807         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2808         ret = bt_value_integer_get(obj, &ret_int64_t);
2809         ok(!ret && ret_int64_t == 23,
2810                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2811         BT_PUT(obj);
2812         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2813         ret = bt_value_string_get(obj, &ret_string);
2814         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2815                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2816         BT_PUT(obj);
2817
2818         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2819         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2820                 "test_env_str"),
2821                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2822         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2823                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2824         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2825                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2826         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2827                 "test_env_str");
2828         ret = bt_value_string_get(obj, &ret_string);
2829         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2830                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2831         BT_PUT(obj);
2832
2833         /* Test environment field replacement */
2834         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2835                 654321),
2836                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2837         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2838                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2839         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2840         ret = bt_value_integer_get(obj, &ret_int64_t);
2841         ok(!ret && ret_int64_t == 654321,
2842                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2843         BT_PUT(obj);
2844
2845         if (uname(&name)) {
2846                 perror("uname");
2847                 return -1;
2848         }
2849
2850         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2851                 == 0, "Add sysname (%s) environment field to writer instance",
2852                 name.sysname);
2853         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2854                 name.nodename) == 0,
2855                 "Add nodename (%s) environment field to writer instance",
2856                 name.nodename);
2857         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2858                 == 0, "Add release (%s) environment field to writer instance",
2859                 name.release);
2860         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2861                 == 0, "Add version (%s) environment field to writer instance",
2862                 name.version);
2863         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2864                 == 0, "Add machine (%s) environment field to writer istance",
2865                 name.machine);
2866
2867         /* Define a clock and add it to the trace */
2868         ok(bt_ctf_clock_create("signed") == NULL,
2869                 "Illegal clock name rejected");
2870         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2871         clock = bt_ctf_clock_create(clock_name);
2872         ok(clock, "Clock created sucessfully");
2873         returned_clock_name = bt_ctf_clock_get_name(clock);
2874         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2875         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2876                 "Returned clock name is valid");
2877
2878         returned_clock_description = bt_ctf_clock_get_description(clock);
2879         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2880         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2881                 "Clock description set successfully");
2882
2883         returned_clock_description = bt_ctf_clock_get_description(clock);
2884         ok(returned_clock_description,
2885                 "bt_ctf_clock_get_description returns a description.");
2886         ok(returned_clock_description ?
2887                 !strcmp(returned_clock_description, clock_description) : 0,
2888                 "Returned clock description is valid");
2889
2890         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2891                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2892         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2893                 "Set clock frequency");
2894         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2895                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2896
2897         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
2898                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2899         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2900                 "Set clock offset (seconds)");
2901         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
2902                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2903
2904         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
2905                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
2906         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2907         ok(bt_ctf_clock_get_offset(clock) == offset,
2908                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
2909
2910         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2911                 "bt_ctf_clock_get_precision returns the correct default precision");
2912         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2913                 "Set clock precision");
2914         ok(bt_ctf_clock_get_precision(clock) == precision,
2915                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2916
2917         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2918                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2919         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2920                 "Set clock absolute property");
2921         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2922                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2923
2924         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
2925                 "bt_ctf_clock_get_time returns the correct default time");
2926         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2927                 "Set clock time");
2928         ok(bt_ctf_clock_get_time(clock) == current_time,
2929                 "bt_ctf_clock_get_time returns the correct time once it is set");
2930
2931         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2932                 "Add clock to writer instance");
2933         ok(bt_ctf_writer_add_clock(writer, clock),
2934                 "Verify a clock can't be added twice to a writer instance");
2935
2936         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2937                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2938         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2939                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2940         ok(!bt_ctf_trace_get_clock(NULL, 0),
2941                 "bt_ctf_trace_get_clock correctly handles NULL");
2942         ok(!bt_ctf_trace_get_clock(trace, -1),
2943                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2944         ok(!bt_ctf_trace_get_clock(trace, 1),
2945                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2946         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2947         ok(ret_clock == clock,
2948                 "bt_ctf_trace_get_clock returns the right clock instance");
2949         bt_put(ret_clock);
2950         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2951                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2952         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2953                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2954         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2955                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2956         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2957         ok(ret_clock == clock,
2958                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2959         bt_put(ret_clock);
2960         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2961                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2962
2963         ok(!bt_ctf_clock_get_name(NULL),
2964                 "bt_ctf_clock_get_name correctly handles NULL");
2965         ok(!bt_ctf_clock_get_description(NULL),
2966                 "bt_ctf_clock_get_description correctly handles NULL");
2967         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2968                 "bt_ctf_clock_get_frequency correctly handles NULL");
2969         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2970                 "bt_ctf_clock_get_precision correctly handles NULL");
2971         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
2972                 "bt_ctf_clock_get_offset_s correctly handles NULL");
2973         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
2974                 "bt_ctf_clock_get_offset correctly handles NULL");
2975         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
2976                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
2977         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
2978                 "bt_ctf_clock_get_time correctly handles NULL");
2979
2980         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
2981                 "bt_ctf_clock_set_description correctly handles NULL clock");
2982         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
2983                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
2984         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
2985                 "bt_ctf_clock_get_precision correctly handles NULL clock");
2986         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
2987                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
2988         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
2989                 "bt_ctf_clock_set_offset correctly handles NULL clock");
2990         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
2991                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
2992         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
2993                 "bt_ctf_clock_set_time correctly handles NULL clock");
2994         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
2995                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
2996         ret_uuid = bt_ctf_clock_get_uuid(clock);
2997         ok(ret_uuid,
2998                 "bt_ctf_clock_get_uuid returns a UUID");
2999         if (ret_uuid) {
3000                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3001                 /* Slightly modify UUID */
3002                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3003         }
3004
3005         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3006                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3007         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3008                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3009         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3010                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3011         ret_uuid = bt_ctf_clock_get_uuid(clock);
3012         ok(ret_uuid,
3013                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3014         ok(uuid_match(ret_uuid, tmp_uuid),
3015                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3016
3017         /* Define a stream class */
3018         stream_class = bt_ctf_stream_class_create("test_stream");
3019
3020         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3021                 "bt_ctf_stream_class_get_name handles NULL correctly");
3022         ret_string = bt_ctf_stream_class_get_name(stream_class);
3023         ok(ret_string && !strcmp(ret_string, "test_stream"),
3024                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3025
3026         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3027                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3028         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3029                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3030
3031         ok(stream_class, "Create stream class");
3032         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3033                 "Set a stream class' clock");
3034         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3035         ok(ret_clock == clock,
3036                 "bt_ctf_stream_class_get_clock returns a correct clock");
3037         bt_put(ret_clock);
3038
3039         /* Test the event fields and event types APIs */
3040         type_field_tests();
3041
3042         /* Test fields copying */
3043         field_copy_tests();
3044
3045         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3046                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3047         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3048                 "bt_ctf_stream_class_get_id handles NULL correctly");
3049         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3050                 "bt_ctf_stream_class_set_id handles NULL correctly");
3051         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3052                 "Set an stream class' id");
3053         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3054                 "bt_ctf_stream_class_get_id returns the correct value");
3055
3056         /* Validate default event header fields */
3057         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3058                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3059         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3060                 stream_class);
3061         ok(ret_field_type,
3062                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3063         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
3064                 "Default event header type is a structure");
3065         event_header_field_type =
3066                 bt_ctf_field_type_structure_get_field_type_by_name(
3067                 ret_field_type, "id");
3068         ok(event_header_field_type,
3069                 "Default event header type contains an \"id\" field");
3070         ok(bt_ctf_field_type_get_type_id(
3071                 event_header_field_type) == CTF_TYPE_INTEGER,
3072                 "Default event header \"id\" field is an integer");
3073         bt_put(event_header_field_type);
3074         event_header_field_type =
3075                 bt_ctf_field_type_structure_get_field_type_by_name(
3076                 ret_field_type, "timestamp");
3077         ok(event_header_field_type,
3078                 "Default event header type contains a \"timestamp\" field");
3079         ok(bt_ctf_field_type_get_type_id(
3080                 event_header_field_type) == CTF_TYPE_INTEGER,
3081                 "Default event header \"timestamp\" field is an integer");
3082         bt_put(event_header_field_type);
3083         bt_put(ret_field_type);
3084
3085         /* Add a custom trace packet header field */
3086         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3087                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3088         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3089         ok(packet_header_type,
3090                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3091         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
3092                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3093         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3094                 packet_header_type, "magic");
3095         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3096         bt_put(ret_field_type);
3097         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3098                 packet_header_type, "uuid");
3099         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3100         bt_put(ret_field_type);
3101         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3102                 packet_header_type, "stream_id");
3103         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3104         bt_put(ret_field_type);
3105
3106         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3107         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3108                 packet_header_field_type, "custom_trace_packet_header_field"),
3109                 "Added a custom trace packet header field successfully");
3110
3111         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3112                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3113         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3114                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3115         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3116                 "Set a trace packet_header_type successfully");
3117
3118         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3119                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3120
3121         /* Add a custom field to the stream class' packet context */
3122         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3123         ok(packet_context_type,
3124                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3125         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
3126                 "Packet context is a structure");
3127
3128         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3129                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3130         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3131                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3132
3133         integer_type = bt_ctf_field_type_integer_create(32);
3134         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3135                 integer_type) < 0,
3136                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3137         /* Create a "uint5_t" equivalent custom packet context field */
3138         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3139
3140         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3141                 packet_context_field_type, "custom_packet_context_field");
3142         ok(ret == 0, "Packet context field added successfully");
3143
3144         /* Define a stream event context containing a my_integer field. */
3145         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3146                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3147         ok(bt_ctf_stream_class_get_event_context_type(
3148                 stream_class) == NULL,
3149                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3150         stream_event_context_type = bt_ctf_field_type_structure_create();
3151         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3152                 integer_type, "common_event_context");
3153
3154         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3155                 stream_event_context_type) < 0,
3156                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3157         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3158                 NULL) < 0,
3159                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3160         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3161                 integer_type) < 0,
3162                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3163
3164         ok(bt_ctf_stream_class_set_event_context_type(
3165                 stream_class, stream_event_context_type) == 0,
3166                 "Set a new stream event context type");
3167         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3168                 stream_class);
3169         ok(ret_field_type == stream_event_context_type,
3170                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3171         bt_put(ret_field_type);
3172
3173         /* Instantiate a stream and append events */
3174         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3175         ok(stream1, "Instanciate a stream class from writer");
3176
3177         ok(bt_ctf_stream_get_class(NULL) == NULL,
3178                 "bt_ctf_stream_get_class correctly handles NULL");
3179         ret_stream_class = bt_ctf_stream_get_class(stream1);
3180         ok(ret_stream_class,
3181                 "bt_ctf_stream_get_class returns a stream class");
3182         ok(ret_stream_class == stream_class,
3183                 "Returned stream class is of the correct type");
3184
3185         /*
3186          * Try to modify the packet context type after a stream has been
3187          * created.
3188          */
3189         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3190                 packet_header_field_type, "should_fail");
3191         ok(ret < 0,
3192                 "Trace packet header type can't be modified once a stream has been instanciated");
3193
3194         /*
3195          * Try to modify the packet context type after a stream has been
3196          * created.
3197          */
3198         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3199                 packet_context_field_type, "should_fail");
3200         ok(ret < 0,
3201                 "Packet context type can't be modified once a stream has been instanciated");
3202
3203         /*
3204          * Try to modify the stream event context type after a stream has been
3205          * created.
3206          */
3207         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3208                 integer_type, "should_fail");
3209         ok(ret < 0,
3210                 "Stream event context type can't be modified once a stream has been instanciated");
3211
3212         /* Should fail after instanciating a stream (frozen) */
3213         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3214                 "Changes to a stream class that was already instantiated fail");
3215
3216         /* Populate the custom packet header field only once for all tests */
3217         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3218                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3219         packet_header = bt_ctf_stream_get_packet_header(stream1);
3220         ok(packet_header,
3221                 "bt_ctf_stream_get_packet_header returns a packet header");
3222         ret_field_type = bt_ctf_field_get_type(packet_header);
3223         ok(ret_field_type == packet_header_type,
3224                 "Stream returns a packet header of the appropriate type");
3225         bt_put(ret_field_type);
3226         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3227                 "custom_trace_packet_header_field");
3228         ok(packet_header_field,
3229                 "Packet header structure contains a custom field with the appropriate name");
3230         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3231         ok(ret_field_type == packet_header_field_type,
3232                 "Custom packet header field is of the expected type");
3233         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3234                 54321), "Set custom packet header value successfully");
3235         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3236                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3237         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3238                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3239         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3240                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3241         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3242                 "Successfully set a stream's packet header");
3243
3244         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3245                 "Add environment field to writer after stream creation");
3246
3247         test_instanciate_event_before_stream(writer);
3248
3249         append_simple_event(stream_class, stream1, clock);
3250
3251         packet_resize_test(stream_class, stream1, clock);
3252
3253         append_complex_event(stream_class, stream1, clock);
3254
3255         append_existing_event_class(stream_class);
3256
3257         test_empty_stream(writer);
3258
3259         test_custom_event_header_stream(writer);
3260
3261         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3262         ok(metadata_string, "Get metadata string");
3263
3264         bt_ctf_writer_flush_metadata(writer);
3265         validate_metadata(argv[1], metadata_path);
3266         validate_trace(argv[2], trace_path);
3267
3268         bt_put(clock);
3269         bt_put(ret_stream_class);
3270         bt_put(writer);
3271         bt_put(stream1);
3272         bt_put(packet_context_type);
3273         bt_put(packet_context_field_type);
3274         bt_put(integer_type);
3275         bt_put(stream_event_context_type);
3276         bt_put(ret_field_type);
3277         bt_put(packet_header_type);
3278         bt_put(packet_header_field_type);
3279         bt_put(packet_header);
3280         bt_put(packet_header_field);
3281         bt_put(trace);
3282         free(metadata_string);
3283
3284         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
3285                 "bt_ctf_stream_class_get_trace returns NULL after its trace has been reclaimed");
3286         bt_put(stream_class);
3287
3288         /* Remove all trace files and delete temporary trace directory */
3289         DIR *trace_dir = opendir(trace_path);
3290         if (!trace_dir) {
3291                 perror("# opendir");
3292                 return -1;
3293         }
3294
3295         struct dirent *entry;
3296         while ((entry = readdir(trace_dir))) {
3297                 if (entry->d_type == DT_REG) {
3298                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
3299                 }
3300         }
3301
3302         rmdir(trace_path);
3303         closedir(trace_dir);
3304         return 0;
3305 }