tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #define _GNU_SOURCE
  23 #include <babeltrace/ctf-writer/writer.h>
  24 #include <babeltrace/ctf-writer/clock.h>
  25 #include <babeltrace/ctf-writer/stream.h>
  26 #include <babeltrace/ctf-writer/event.h>
  27 #include <babeltrace/ctf-writer/event-types.h>
  28 #include <babeltrace/ctf-writer/event-fields.h>
  29 #include <babeltrace/ctf-ir/stream-class.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <unistd.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <sys/utsname.h>
  35 #include <babeltrace/compat/limits.h>
  36 #include <string.h>
  37 #include <assert.h>
  38 #include <sys/wait.h>
  39 #include <fcntl.h>
  40 #include <dirent.h>
  41 #include "tap/tap.h"
  42 #include <math.h>
  43 #include <float.h>
  44
  45 #define METADATA_LINE_SIZE 512
  46 #define SEQUENCE_TEST_LENGTH 10
  47 #define ARRAY_TEST_LENGTH 5
  48 #define PACKET_RESIZE_TEST_LENGTH 100000
  49
  50 #define DEFAULT_CLOCK_FREQ 1000000000
  51 #define DEFAULT_CLOCK_PRECISION 1
  52 #define DEFAULT_CLOCK_OFFSET 0
  53 #define DEFAULT_CLOCK_OFFSET_S 0
  54 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  55 #define DEFAULT_CLOCK_TIME 0
  56
  57 static uint64_t current_time = 42;
  58
  59 /* Return 1 if uuids match, zero if different. */
  60 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  61 {
  62         int ret = 0;
  63         int i;
  64
  65         if (!uuid_a || !uuid_b) {
  66                 goto end;
  67         }
  68
  69         for (i = 0; i < 16; i++) {
  70                 if (uuid_a[i] != uuid_b[i]) {
  71                         goto end;
  72                 }
  73         }
  74
  75         ret = 1;
  76 end:
  77         return ret;
  78 }
  79
  80 void validate_metadata(char *parser_path, char *metadata_path)
  81 {
  82         int ret = 0;
  83         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  84         int parser_output_fd = -1, metadata_fd = -1;
  85
  86         if (!metadata_path) {
  87                 ret = -1;
  88                 goto result;
  89         }
  90
  91         parser_output_fd = mkstemp(parser_output_path);
  92         metadata_fd = open(metadata_path, O_RDONLY);
  93
  94         unlink(parser_output_path);
  95
  96         if (parser_output_fd == -1 || metadata_fd == -1) {
  97                 diag("Failed create temporary files for metadata parsing.");
  98                 ret = -1;
  99                 goto result;
 100         }
 101
 102         pid_t pid = fork();
 103         if (pid) {
 104                 int status = 0;
 105                 waitpid(pid, &status, 0);
 106                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 107         } else {
 108                 /* ctf-parser-test expects a metadata string on stdin. */
 109                 ret = dup2(metadata_fd, STDIN_FILENO);
 110                 if (ret < 0) {
 111                         perror("# dup2 metadata_fd to STDIN");
 112                         goto result;
 113                 }
 114
 115                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 116                 if (ret < 0) {
 117                         perror("# dup2 parser_output_fd to STDOUT");
 118                         goto result;
 119                 }
 120
 121                 ret = dup2(parser_output_fd, STDERR_FILENO);
 122                 if (ret < 0) {
 123                         perror("# dup2 parser_output_fd to STDERR");
 124                         goto result;
 125                 }
 126
 127                 execl(parser_path, "ctf-parser-test", NULL);
 128                 perror("# Could not launch the ctf metadata parser process");
 129                 exit(-1);
 130         }
 131 result:
 132         ok(ret == 0, "Metadata string is valid");
 133
 134         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 135                 char *line;
 136                 size_t len = METADATA_LINE_SIZE;
 137                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 138
 139                 metadata_fp = fdopen(metadata_fd, "r");
 140                 if (!metadata_fp) {
 141                         perror("fdopen on metadata_fd");
 142                         goto close_fp;
 143                 }
 144                 metadata_fd = -1;
 145
 146                 parser_output_fp = fdopen(parser_output_fd, "r");
 147                 if (!parser_output_fp) {
 148                         perror("fdopen on parser_output_fd");
 149                         goto close_fp;
 150                 }
 151                 parser_output_fd = -1;
 152
 153                 line = malloc(len);
 154                 if (!line) {
 155                         diag("malloc failure");
 156                 }
 157
 158                 rewind(metadata_fp);
 159
 160                 /* Output the metadata and parser output as diagnostic */
 161                 while (getline(&line, &len, metadata_fp) > 0) {
 162                         fprintf(stderr, "# %s", line);
 163                 }
 164
 165                 rewind(parser_output_fp);
 166                 while (getline(&line, &len, parser_output_fp) > 0) {
 167                         fprintf(stderr, "# %s", line);
 168                 }
 169
 170                 free(line);
 171 close_fp:
 172                 if (metadata_fp) {
 173                         if (fclose(metadata_fp)) {
 174                                 diag("fclose failure");
 175                         }
 176                 }
 177                 if (parser_output_fp) {
 178                         if (fclose(parser_output_fp)) {
 179                                 diag("fclose failure");
 180                         }
 181                 }
 182         }
 183
 184         if (parser_output_fd >= 0) {
 185                 if (close(parser_output_fd)) {
 186                         diag("close error");
 187                 }
 188         }
 189         if (metadata_fd >= 0) {
 190                 if (close(metadata_fd)) {
 191                         diag("close error");
 192                 }
 193         }
 194 }
 195
 196 void validate_trace(char *parser_path, char *trace_path)
 197 {
 198         int ret = 0;
 199         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 200         int babeltrace_output_fd = -1;
 201
 202         if (!trace_path) {
 203                 ret = -1;
 204                 goto result;
 205         }
 206
 207         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 208         unlink(babeltrace_output_path);
 209
 210         if (babeltrace_output_fd == -1) {
 211                 diag("Failed to create a temporary file for trace parsing.");
 212                 ret = -1;
 213                 goto result;
 214         }
 215
 216         pid_t pid = fork();
 217         if (pid) {
 218                 int status = 0;
 219                 waitpid(pid, &status, 0);
 220                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 221         } else {
 222                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 223                 if (ret < 0) {
 224                         perror("# dup2 babeltrace_output_fd to STDOUT");
 225                         goto result;
 226                 }
 227
 228                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 229                 if (ret < 0) {
 230                         perror("# dup2 babeltrace_output_fd to STDERR");
 231                         goto result;
 232                 }
 233
 234                 execl(parser_path, "babeltrace", trace_path, NULL);
 235                 perror("# Could not launch the babeltrace process");
 236                 exit(-1);
 237         }
 238 result:
 239         ok(ret == 0, "Babeltrace could read the resulting trace");
 240
 241         if (ret && babeltrace_output_fd >= 0) {
 242                 char *line;
 243                 size_t len = METADATA_LINE_SIZE;
 244                 FILE *babeltrace_output_fp = NULL;
 245
 246                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 247                 if (!babeltrace_output_fp) {
 248                         perror("fdopen on babeltrace_output_fd");
 249                         goto close_fp;
 250                 }
 251                 babeltrace_output_fd = -1;
 252
 253                 line = malloc(len);
 254                 if (!line) {
 255                         diag("malloc error");
 256                 }
 257                 rewind(babeltrace_output_fp);
 258                 while (getline(&line, &len, babeltrace_output_fp) > 0) {
 259                         diag("%s", line);
 260                 }
 261
 262                 free(line);
 263 close_fp:
 264                 if (babeltrace_output_fp) {
 265                         if (fclose(babeltrace_output_fp)) {
 266                                 diag("fclose error");
 267                         }
 268                 }
 269         }
 270
 271         if (babeltrace_output_fd >= 0) {
 272                 if (close(babeltrace_output_fd)) {
 273                         diag("close error");
 274                 }
 275         }
 276 }
 277
 278 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 279                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 280 {
 281         /* Create and add a simple event class */
 282         struct bt_ctf_event_class *simple_event_class =
 283                 bt_ctf_event_class_create("Simple Event");
 284         struct bt_ctf_field_type *uint_12_type =
 285                 bt_ctf_field_type_integer_create(12);
 286         struct bt_ctf_field_type *int_64_type =
 287                 bt_ctf_field_type_integer_create(64);
 288         struct bt_ctf_field_type *float_type =
 289                 bt_ctf_field_type_floating_point_create();
 290         struct bt_ctf_field_type *enum_type;
 291         struct bt_ctf_field_type *enum_type_unsigned =
 292                 bt_ctf_field_type_enumeration_create(uint_12_type);
 293         struct bt_ctf_field_type *event_context_type =
 294                 bt_ctf_field_type_structure_create();
 295         struct bt_ctf_field_type *returned_type;
 296         struct bt_ctf_event *simple_event;
 297         struct bt_ctf_field *integer_field;
 298         struct bt_ctf_field *float_field;
 299         struct bt_ctf_field *enum_field;
 300         struct bt_ctf_field *enum_field_unsigned;
 301         struct bt_ctf_field *enum_container_field;
 302         const char *mapping_name_test = "truie";
 303         const double double_test_value = 3.1415;
 304         struct bt_ctf_field *enum_container_field_unsigned;
 305         const char *mapping_name_negative_test = "negative_value";
 306         const char *ret_char;
 307         double ret_double;
 308         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 309         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 310         struct bt_ctf_clock *ret_clock;
 311         struct bt_ctf_event_class *ret_event_class;
 312         struct bt_ctf_field *packet_context;
 313         struct bt_ctf_field *packet_context_field;
 314         struct bt_ctf_field *stream_event_context;
 315         struct bt_ctf_field *stream_event_context_field;
 316         struct bt_ctf_field *event_context;
 317         struct bt_ctf_field *event_context_field;
 318
 319         ok(uint_12_type, "Create an unsigned integer type");
 320
 321         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 322         ok(int_64_type, "Create a signed integer type");
 323         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 324
 325         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 326         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 327         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 328         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 329                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 330         bt_ctf_field_type_put(returned_type);
 331
 332         bt_ctf_field_type_set_alignment(float_type, 32);
 333         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 334                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 335         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 336                 "bt_ctf_field_type_get_alignment returns a correct value");
 337
 338         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 339                 "Set a floating point type's exponent digit count");
 340         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 341                 "Set a floating point type's mantissa digit count");
 342
 343         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 344                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 345         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 346                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 347         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 348                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 349         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 350                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 351
 352         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 353                 mapping_name_negative_test, -12345, 0) == 0,
 354                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 355         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 356                 "escaping; \"test\"", 1, 1) == 0,
 357                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 358         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 359                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 360                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 361         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 362                 "event clock int float", 5, 22) == 0,
 363                 "Accept enumeration mapping strings containing reserved keywords");
 364         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 365                 42, 42);
 366         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 367                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 368         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 369                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 370         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 371                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 372         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 373
 374         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 375                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 376         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 377                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 378         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 379                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 380
 381         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 382                 "enum_field") == 0, "Add signed enumeration field to event");
 383
 384         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 385                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 386                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 387         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 388                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 389                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 390         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 391                 NULL, &ret_range_end_int64_t) < 0,
 392                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 393         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 394                 &ret_range_start_int64_t, NULL) < 0,
 395                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 396         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 397                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 398                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 399         ok(!strcmp(ret_char, mapping_name_test),
 400                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 401         ok(ret_range_start_int64_t == 42,
 402                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 403         ok(ret_range_end_int64_t == 42,
 404                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 405
 406         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 407                 "escaping; \"test\"", 0, 0) == 0,
 408                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 409         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 410                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 411                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 412         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 413                 "event clock int float", 5, 22) == 0,
 414                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 415         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 416                 42, 42);
 417         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 418                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 419         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 420                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 421         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 422                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 423         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 424                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 425
 426         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 427                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 428         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 429                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 430
 431         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 432                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 433                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 434         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 435                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 436                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 437         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 438                 NULL, &ret_range_end_uint64_t) < 0,
 439                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 440         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 441                 &ret_range_start_uint64_t, NULL) < 0,
 442                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 443         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 444                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 445                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 446         ok(!strcmp(ret_char, mapping_name_test),
 447                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 448         ok(ret_range_start_uint64_t == 42,
 449                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 450         ok(ret_range_end_uint64_t == 42,
 451                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 452
 453         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 454                 "integer_field");
 455         bt_ctf_event_class_add_field(simple_event_class, float_type,
 456                 "float_field");
 457
 458         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 459
 460         /* Set an event context type which will contain a single integer*/
 461         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 462                 "event_specific_context"),
 463                 "Add event specific context field");
 464         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 465                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 466         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 467                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 468
 469         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 470                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 471         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 472                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 473         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 474                 "Set an event class' context type successfully");
 475         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 476         ok(returned_type == event_context_type,
 477                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 478         bt_ctf_field_type_put(returned_type);
 479
 480         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 481
 482         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 483                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 484         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 485                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 486         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 487                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 488         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 489                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 490         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 491         ok(ret_event_class == simple_event_class,
 492                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 493         bt_ctf_event_class_put(ret_event_class);
 494         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 495                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 496         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 497                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 498         ret_event_class =
 499                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 500         ok(ret_event_class == simple_event_class,
 501                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 502         bt_ctf_event_class_put(ret_event_class);
 503
 504         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 505                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 506         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 507                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 508         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 509                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 510         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 511         ok(ret_event_class == simple_event_class,
 512                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 513         bt_ctf_event_class_put(ret_event_class);
 514
 515         simple_event = bt_ctf_event_create(simple_event_class);
 516         ok(simple_event,
 517                 "Instantiate an event containing a single integer field");
 518
 519         ok(bt_ctf_event_get_clock(NULL) == NULL,
 520                 "bt_ctf_event_get_clock handles NULL correctly");
 521         ret_clock = bt_ctf_event_get_clock(simple_event);
 522         ok(ret_clock == clock,
 523                 "bt_ctf_event_get_clock returns a correct clock");
 524         bt_ctf_clock_put(clock);
 525
 526         integer_field = bt_ctf_field_create(uint_12_type);
 527         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 528         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 529                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 530
 531         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 532         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 533                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 534         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 535         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 536                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 537         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 538                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 539         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 540                 "bt_ctf_field_floating_point_get_value returns a double value");
 541         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 542                 "bt_ctf_field_floating_point_get_value returns a correct value");
 543
 544         enum_field = bt_ctf_field_create(enum_type);
 545         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 546         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 547         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 548         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 549         enum_container_field = bt_ctf_field_enumeration_get_container(
 550                 enum_field);
 551         ok(bt_ctf_field_signed_integer_set_value(
 552                 enum_container_field, -42) == 0,
 553                 "Set signed enumeration container value");
 554         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 555         ok(!strcmp(ret_char, mapping_name_negative_test),
 556                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 557         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 558
 559         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 560         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 561                 enum_field_unsigned);
 562         ok(bt_ctf_field_unsigned_integer_set_value(
 563                 enum_container_field_unsigned, 42) == 0,
 564                 "Set unsigned enumeration container value");
 565         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 566                 enum_field_unsigned);
 567         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 568         ok(!strcmp(ret_char, mapping_name_test),
 569                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 570
 571         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 572
 573         /* Populate stream event context */
 574         stream_event_context = bt_ctf_stream_get_event_context(stream);
 575         stream_event_context_field = bt_ctf_field_structure_get_field(
 576                 stream_event_context, "common_event_context");
 577         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 578
 579         /* Populate the event's context */
 580         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 581                 "bt_ctf_event_get_event_context handles NULL correctly");
 582         event_context = bt_ctf_event_get_event_context(simple_event);
 583         ok(event_context,
 584                 "bt_ctf_event_get_event_context returns a field");
 585         returned_type = bt_ctf_field_get_type(event_context);
 586         ok(returned_type == event_context_type,
 587                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 588         event_context_field = bt_ctf_field_structure_get_field(event_context,
 589                 "event_specific_context");
 590         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 591                 "Successfully set an event context's value");
 592         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 593                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 594         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 595                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 596         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 597                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 598         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 599                 "Set an event context successfully");
 600
 601         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 602                 "Append simple event to trace stream");
 603
 604         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 605                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 606         packet_context = bt_ctf_stream_get_packet_context(stream);
 607         ok(packet_context,
 608                 "bt_ctf_stream_get_packet_context returns a packet context");
 609
 610         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 611                 "packet_size");
 612         ok(packet_context_field,
 613                 "Packet context contains the default packet_size field.");
 614         bt_ctf_field_put(packet_context_field);
 615         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 616                 "custom_packet_context_field");
 617         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 618                 "Custom packet context field value successfully set.");
 619
 620         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 621                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 622         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 623                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 624         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 625                 "Successfully set a stream's packet context");
 626
 627         ok(bt_ctf_stream_flush(stream) == 0,
 628                 "Flush trace stream with one event");
 629
 630         bt_ctf_event_class_put(simple_event_class);
 631         bt_ctf_event_put(simple_event);
 632         bt_ctf_field_type_put(uint_12_type);
 633         bt_ctf_field_type_put(int_64_type);
 634         bt_ctf_field_type_put(float_type);
 635         bt_ctf_field_type_put(enum_type);
 636         bt_ctf_field_type_put(enum_type_unsigned);
 637         bt_ctf_field_type_put(returned_type);
 638         bt_ctf_field_type_put(event_context_type);
 639         bt_ctf_field_put(integer_field);
 640         bt_ctf_field_put(float_field);
 641         bt_ctf_field_put(enum_field);
 642         bt_ctf_field_put(enum_field_unsigned);
 643         bt_ctf_field_put(enum_container_field);
 644         bt_ctf_field_put(enum_container_field_unsigned);
 645         bt_ctf_field_put(packet_context);
 646         bt_ctf_field_put(packet_context_field);
 647         bt_ctf_field_put(stream_event_context);
 648         bt_ctf_field_put(stream_event_context_field);
 649         bt_ctf_field_put(event_context);
 650         bt_ctf_field_put(event_context_field);
 651 }
 652
 653 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 654                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 655 {
 656         int i;
 657         const char *complex_test_event_string = "Complex Test Event";
 658         const char *test_string = "Test string";
 659         struct bt_ctf_field_type *uint_35_type =
 660                 bt_ctf_field_type_integer_create(35);
 661         struct bt_ctf_field_type *int_16_type =
 662                 bt_ctf_field_type_integer_create(16);
 663         struct bt_ctf_field_type *uint_3_type =
 664                 bt_ctf_field_type_integer_create(3);
 665         struct bt_ctf_field_type *enum_variant_type =
 666                 bt_ctf_field_type_enumeration_create(uint_3_type);
 667         struct bt_ctf_field_type *variant_type =
 668                 bt_ctf_field_type_variant_create(enum_variant_type,
 669                         "variant_selector");
 670         struct bt_ctf_field_type *string_type =
 671                 bt_ctf_field_type_string_create();
 672         struct bt_ctf_field_type *sequence_type;
 673         struct bt_ctf_field_type *array_type;
 674         struct bt_ctf_field_type *inner_structure_type =
 675                 bt_ctf_field_type_structure_create();
 676         struct bt_ctf_field_type *complex_structure_type =
 677                 bt_ctf_field_type_structure_create();
 678         struct bt_ctf_field_type *ret_field_type;
 679         struct bt_ctf_event_class *event_class;
 680         struct bt_ctf_event *event;
 681         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 682                 *inner_structure_field, *complex_structure_field,
 683                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 684                 *variant_field, *an_array_field, *ret_field;
 685         uint64_t ret_unsigned_int;
 686         int64_t ret_signed_int;
 687         const char *ret_string;
 688         struct bt_ctf_stream_class *ret_stream_class;
 689         struct bt_ctf_event_class *ret_event_class;
 690         struct bt_ctf_field *packet_context, *packet_context_field;
 691
 692         bt_ctf_field_type_set_alignment(int_16_type, 32);
 693         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 694         bt_ctf_field_type_integer_set_base(uint_35_type,
 695                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 696
 697         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 698         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 699                 "seq_len");
 700
 701         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 702                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 703         ret_field_type = bt_ctf_field_type_array_get_element_type(
 704                 array_type);
 705         ok(ret_field_type == int_16_type,
 706                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 707         bt_ctf_field_type_put(ret_field_type);
 708
 709         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 710                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 711         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 712                 "bt_ctf_field_type_array_get_length returns the correct length");
 713
 714         bt_ctf_field_type_structure_add_field(inner_structure_type,
 715                 uint_35_type, "seq_len");
 716         bt_ctf_field_type_structure_add_field(inner_structure_type,
 717                 sequence_type, "a_sequence");
 718         bt_ctf_field_type_structure_add_field(inner_structure_type,
 719                 array_type, "an_array");
 720
 721         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 722                 "UINT3_TYPE", 0, 0);
 723         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 724                 "INT16_TYPE", 1, 1);
 725         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 726                 "UINT35_TYPE", 2, 7);
 727
 728         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 729                 "INT16_TYPE") < 0,
 730                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 731         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 732                 enum_variant_type, NULL) < 0,
 733                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 734         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 735                 enum_variant_type, "INT16_TYPE") == 1,
 736                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 737
 738         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 739                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 740         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 741                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 742         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 743                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 744
 745         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 746                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 747         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 748                 "UINT3_TYPE") == 0, "Add a field to a variant");
 749         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 750                 "INT16_TYPE");
 751         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 752                 "UINT35_TYPE");
 753
 754         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 755                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 756         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 757         ok(ret_field_type == enum_variant_type,
 758                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 759         bt_ctf_field_type_put(ret_field_type);
 760
 761         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 762                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 763         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 764         ok(!strcmp(ret_string, "variant_selector"),
 765                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 766         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 767                 "INT16_TYPE") == NULL,
 768                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 769         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 770                 NULL) == NULL,
 771                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 772         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 773                 variant_type, "INT16_TYPE");
 774         ok(ret_field_type == int_16_type,
 775                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 776         bt_ctf_field_type_put(ret_field_type);
 777
 778         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 779                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 780         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 781                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 782
 783         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 784                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 785         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) < 0,
 786                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 787         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) < 0,
 788                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 789         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 790                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 791         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 792                 "bt_ctf_field_type_variant_get_field returns a field");
 793         ok(!strcmp("INT16_TYPE", ret_string),
 794                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 795         ok(ret_field_type == int_16_type,
 796                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 797         bt_ctf_field_type_put(ret_field_type);
 798
 799         bt_ctf_field_type_structure_add_field(complex_structure_type,
 800                 enum_variant_type, "variant_selector");
 801         bt_ctf_field_type_structure_add_field(complex_structure_type,
 802                 string_type, "a_string");
 803         bt_ctf_field_type_structure_add_field(complex_structure_type,
 804                 variant_type, "variant_value");
 805         bt_ctf_field_type_structure_add_field(complex_structure_type,
 806                 inner_structure_type, "inner_structure");
 807
 808         ok(bt_ctf_event_class_create("clock") == NULL,
 809                 "Reject creation of an event class with an illegal name");
 810         event_class = bt_ctf_event_class_create(complex_test_event_string);
 811         ok(event_class, "Create an event class");
 812         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 813                 "Reject addition of a field with an empty name to an event");
 814         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 815                 "Reject addition of a field with a NULL type to an event");
 816         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 817                 "int"),
 818                 "Reject addition of a type with an illegal name to an event");
 819         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 820                 "uint_35") == 0,
 821                 "Add field of type unsigned integer to an event");
 822         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 823                 "int_16") == 0, "Add field of type signed integer to an event");
 824         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 825                 "complex_structure") == 0,
 826                 "Add composite structure to an event");
 827
 828         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 829                 "bt_ctf_event_class_get_name handles NULL correctly");
 830         ret_string = bt_ctf_event_class_get_name(event_class);
 831         ok(!strcmp(ret_string, complex_test_event_string),
 832                 "bt_ctf_event_class_get_name returns a correct name");
 833         ok(bt_ctf_event_class_get_id(event_class) < 0,
 834                 "bt_ctf_event_class_get_id returns a negative value when not set");
 835         ok(bt_ctf_event_class_get_id(NULL) < 0,
 836                 "bt_ctf_event_class_get_id handles NULL correctly");
 837         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 838                 "bt_ctf_event_class_set_id handles NULL correctly");
 839         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 840                 "Set an event class' id");
 841         ok(bt_ctf_event_class_get_id(event_class) == 42,
 842                 "bt_ctf_event_class_get_id returns the correct value");
 843
 844         /* Add event class to the stream class */
 845         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 846                 "Reject addition of NULL event class to a stream class");
 847         ok(bt_ctf_stream_class_add_event_class(stream_class,
 848                 event_class) == 0, "Add an event class to stream class");
 849
 850         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 851                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 852         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 853         ok(ret_stream_class == stream_class,
 854                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 855         bt_ctf_stream_class_put(ret_stream_class);
 856
 857         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
 858                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 859         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
 860                 "bt_ctf_event_class_get_field_count returns a correct value");
 861
 862         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
 863                 &ret_field_type, 0) < 0,
 864                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 865         ok(bt_ctf_event_class_get_field(event_class, NULL,
 866                 &ret_field_type, 0) < 0,
 867                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 868         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 869                 NULL, 0) < 0,
 870                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 871         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 872                 &ret_field_type, 42) < 0,
 873                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 874         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 875                 &ret_field_type, 0) == 0,
 876                 "bt_ctf_event_class_get_field returns a field");
 877         ok(ret_field_type == uint_35_type,
 878                 "bt_ctf_event_class_get_field returns a correct field type");
 879         bt_ctf_field_type_put(ret_field_type);
 880         ok(!strcmp(ret_string, "uint_35"),
 881                 "bt_ctf_event_class_get_field returns a correct field name");
 882         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 883                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 884         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 885                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 886         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 887                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 888         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 889                 "complex_structure");
 890         ok(ret_field_type == complex_structure_type,
 891                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 892         bt_ctf_field_type_put(ret_field_type);
 893
 894         event = bt_ctf_event_create(event_class);
 895         ok(event, "Instanciate a complex event");
 896
 897         ok(bt_ctf_event_get_class(NULL) == NULL,
 898                 "bt_ctf_event_get_class handles NULL correctly");
 899         ret_event_class = bt_ctf_event_get_class(event);
 900         ok(ret_event_class == event_class,
 901                 "bt_ctf_event_get_class returns the correct event class");
 902         bt_ctf_event_class_put(ret_event_class);
 903
 904         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 905         if (!uint_35_field) {
 906                 printf("uint_35_field is NULL\n");
 907         }
 908
 909         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 910         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 911         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
 912                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 913         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
 914                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 915         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 916                 &ret_unsigned_int) == 0,
 917                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 918         ok(ret_unsigned_int == 0x0DDF00D,
 919                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 920         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 921                 &ret_signed_int) < 0,
 922                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 923         bt_ctf_field_put(uint_35_field);
 924
 925         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 926         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 927         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
 928                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 929         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
 930                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 931         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 932                 &ret_signed_int) == 0,
 933                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 934         ok(ret_signed_int == -12345,
 935                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 936         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 937                 &ret_unsigned_int) < 0,
 938                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 939         bt_ctf_field_put(int_16_field);
 940
 941         complex_structure_field = bt_ctf_event_get_payload(event,
 942                 "complex_structure");
 943
 944         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 945                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 946         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 947                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 948         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 949                 complex_structure_field, 3);
 950         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 951         bt_ctf_field_put(inner_structure_field);
 952         ok(ret_field_type == inner_structure_type,
 953                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 954         bt_ctf_field_type_put(ret_field_type);
 955
 956         inner_structure_field = bt_ctf_field_structure_get_field(
 957                 complex_structure_field, "inner_structure");
 958         a_string_field = bt_ctf_field_structure_get_field(
 959                 complex_structure_field, "a_string");
 960         enum_variant_field = bt_ctf_field_structure_get_field(
 961                 complex_structure_field, "variant_selector");
 962         variant_field = bt_ctf_field_structure_get_field(
 963                 complex_structure_field, "variant_value");
 964         uint_35_field = bt_ctf_field_structure_get_field(
 965                 inner_structure_field, "seq_len");
 966         a_sequence_field = bt_ctf_field_structure_get_field(
 967                 inner_structure_field, "a_sequence");
 968         an_array_field = bt_ctf_field_structure_get_field(
 969                 inner_structure_field, "an_array");
 970
 971         enum_container_field = bt_ctf_field_enumeration_get_container(
 972                 enum_variant_field);
 973         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 974         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 975                 enum_variant_field);
 976         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 977         bt_ctf_field_put(int_16_field);
 978         ok(!bt_ctf_field_string_get_value(a_string_field),
 979                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 980         bt_ctf_field_string_set_value(a_string_field,
 981                 test_string);
 982         ok(!bt_ctf_field_string_get_value(NULL),
 983                 "bt_ctf_field_string_get_value correctly handles NULL");
 984         ret_string = bt_ctf_field_string_get_value(a_string_field);
 985         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
 986         ok(ret_string ? !strcmp(ret_string, test_string) : 0,
 987                 "bt_ctf_field_string_get_value returns a correct value");
 988         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
 989                 SEQUENCE_TEST_LENGTH);
 990
 991         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
 992                 enum_container_field) == NULL,
 993                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
 994         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
 995                 NULL) == NULL,
 996                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
 997         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
 998                 variant_type, enum_variant_field);
 999         ok(ret_field_type == int_16_type,
1000                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1001
1002         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1003                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1004         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1005                 uint_35_field) == 0, "Set a sequence field's length");
1006         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1007         ok(ret_field == uint_35_field,
1008                 "bt_ctf_field_sequence_get_length returns the correct length field");
1009         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1010                 "bt_ctf_field_sequence_get_length properly handles NULL");
1011
1012         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1013                 int_16_field = bt_ctf_field_sequence_get_field(
1014                         a_sequence_field, i);
1015                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1016                 bt_ctf_field_put(int_16_field);
1017         }
1018
1019         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1020                 int_16_field = bt_ctf_field_array_get_field(
1021                         an_array_field, i);
1022                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1023                 bt_ctf_field_put(int_16_field);
1024         }
1025
1026         bt_ctf_clock_set_time(clock, ++current_time);
1027         ok(bt_ctf_stream_append_event(stream, event) == 0,
1028                 "Append a complex event to a stream");
1029
1030         /*
1031          * Populate the custom packet context field with a dummy value
1032          * otherwise flush will fail.
1033          */
1034         packet_context = bt_ctf_stream_get_packet_context(stream);
1035         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1036                 "custom_packet_context_field");
1037         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1038
1039         ok(bt_ctf_stream_flush(stream) == 0,
1040                 "Flush a stream containing a complex event");
1041
1042         bt_ctf_field_put(uint_35_field);
1043         bt_ctf_field_put(a_string_field);
1044         bt_ctf_field_put(inner_structure_field);
1045         bt_ctf_field_put(complex_structure_field);
1046         bt_ctf_field_put(a_sequence_field);
1047         bt_ctf_field_put(an_array_field);
1048         bt_ctf_field_put(enum_variant_field);
1049         bt_ctf_field_put(enum_container_field);
1050         bt_ctf_field_put(variant_field);
1051         bt_ctf_field_put(ret_field);
1052         bt_ctf_field_put(packet_context_field);
1053         bt_ctf_field_put(packet_context);
1054         bt_ctf_field_type_put(uint_35_type);
1055         bt_ctf_field_type_put(int_16_type);
1056         bt_ctf_field_type_put(string_type);
1057         bt_ctf_field_type_put(sequence_type);
1058         bt_ctf_field_type_put(array_type);
1059         bt_ctf_field_type_put(inner_structure_type);
1060         bt_ctf_field_type_put(complex_structure_type);
1061         bt_ctf_field_type_put(uint_3_type);
1062         bt_ctf_field_type_put(enum_variant_type);
1063         bt_ctf_field_type_put(variant_type);
1064         bt_ctf_field_type_put(ret_field_type);
1065         bt_ctf_event_class_put(event_class);
1066         bt_ctf_event_put(event);
1067 }
1068
1069 void type_field_tests()
1070 {
1071         struct bt_ctf_field *uint_12;
1072         struct bt_ctf_field *int_16;
1073         struct bt_ctf_field *string;
1074         struct bt_ctf_field *enumeration;
1075         struct bt_ctf_field_type *composite_structure_type;
1076         struct bt_ctf_field_type *structure_seq_type;
1077         struct bt_ctf_field_type *string_type;
1078         struct bt_ctf_field_type *sequence_type;
1079         struct bt_ctf_field_type *uint_8_type;
1080         struct bt_ctf_field_type *int_16_type;
1081         struct bt_ctf_field_type *uint_12_type =
1082                 bt_ctf_field_type_integer_create(12);
1083         struct bt_ctf_field_type *enumeration_type;
1084         struct bt_ctf_field_type *enumeration_sequence_type;
1085         struct bt_ctf_field_type *enumeration_array_type;
1086         struct bt_ctf_field_type *returned_type;
1087         const char *ret_string;
1088
1089         returned_type = bt_ctf_field_get_type(NULL);
1090         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1091
1092         ok(uint_12_type, "Create an unsigned integer type");
1093         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1094                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1095                 "Set integer type's base as binary");
1096         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1097                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1098                 "Set integer type's base as decimal");
1099         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1100                 BT_CTF_INTEGER_BASE_UNKNOWN),
1101                 "Reject integer type's base set as unknown");
1102         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1103                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1104                 "Set integer type's base as octal");
1105         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1106                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1107                 "Set integer type's base as hexadecimal");
1108         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1109                 "Reject unknown integer base value");
1110         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1111                 "Set integer type signedness to signed");
1112         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1113                 "Set integer type signedness to unsigned");
1114         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1115                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1116         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1117                 "bt_ctf_field_type_integer_get_size returns a correct value");
1118         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1119                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1120         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1121                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1122
1123         ok(bt_ctf_field_type_set_byte_order(NULL,
1124                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1125                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1126         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1127                 (enum bt_ctf_byte_order) 42) < 0,
1128                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1129         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1130                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1131                 "Set an integer's byte order to little endian");
1132         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1133                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1134                 "Set an integer's byte order to big endian");
1135         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1136                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1137                 "bt_ctf_field_type_get_byte_order returns a correct value");
1138         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1139                 BT_CTF_BYTE_ORDER_UNKNOWN,
1140                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1141
1142         ok(bt_ctf_field_type_get_type_id(NULL) ==
1143                 CTF_TYPE_UNKNOWN,
1144                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1145         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1146                 CTF_TYPE_INTEGER,
1147                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1148
1149         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1150                 BT_CTF_INTEGER_BASE_UNKNOWN,
1151                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1152         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1153                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1154                 "bt_ctf_field_type_integer_get_base returns a correct value");
1155
1156         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1157                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1158         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1159                 (enum ctf_string_encoding) 123) < 0,
1160                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1161         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1162                 CTF_STRING_UTF8) == 0,
1163                 "Set integer type encoding to UTF8");
1164         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1165                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1166         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1167                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1168
1169         int_16_type = bt_ctf_field_type_integer_create(16);
1170         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1171         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1172                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1173         uint_8_type = bt_ctf_field_type_integer_create(8);
1174         sequence_type =
1175                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1176         ok(sequence_type, "Create a sequence of int16_t type");
1177         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1178                 CTF_TYPE_SEQUENCE,
1179                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1180
1181         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1182                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1183         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1184                 sequence_type);
1185         ok(!strcmp(ret_string, "seq_len"),
1186                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1187         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1188                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1189         returned_type = bt_ctf_field_type_sequence_get_element_type(
1190                 sequence_type);
1191         ok(returned_type == int_16_type,
1192                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1193         bt_ctf_field_type_put(returned_type);
1194
1195         string_type = bt_ctf_field_type_string_create();
1196         ok(string_type, "Create a string type");
1197         ok(bt_ctf_field_type_string_set_encoding(string_type,
1198                 CTF_STRING_NONE),
1199                 "Reject invalid \"None\" string encoding");
1200         ok(bt_ctf_field_type_string_set_encoding(string_type,
1201                 42),
1202                 "Reject invalid string encoding");
1203         ok(bt_ctf_field_type_string_set_encoding(string_type,
1204                 CTF_STRING_ASCII) == 0,
1205                 "Set string encoding to ASCII");
1206
1207         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1208                 CTF_STRING_UNKNOWN,
1209                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1210         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1211                 CTF_STRING_ASCII,
1212                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1213
1214         structure_seq_type = bt_ctf_field_type_structure_create();
1215         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1216                 CTF_TYPE_STRUCT,
1217                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1218         ok(structure_seq_type, "Create a structure type");
1219         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1220                 uint_8_type, "seq_len") == 0,
1221                 "Add a uint8_t type to a structure");
1222         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1223                 sequence_type, "a_sequence") == 0,
1224                 "Add a sequence type to a structure");
1225
1226         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1227                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1228         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1229                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1230
1231         ok(bt_ctf_field_type_structure_get_field(NULL,
1232                 &ret_string, &returned_type, 1) < 0,
1233                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1234         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1235                 NULL, &returned_type, 1) < 0,
1236                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1237         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1238                 &ret_string, NULL, 1) < 0,
1239                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1240         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1241                 &ret_string, &returned_type, 10) < 0,
1242                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1243         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1244                 &ret_string, &returned_type, 1) == 0,
1245                 "bt_ctf_field_type_structure_get_field returns a field");
1246         ok(!strcmp(ret_string, "a_sequence"),
1247                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1248         ok(returned_type == sequence_type,
1249                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1250         bt_ctf_field_type_put(returned_type);
1251
1252         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1253                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1254         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1255                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1256         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1257                 structure_seq_type, "a_sequence");
1258         ok(returned_type == sequence_type,
1259                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1260         bt_ctf_field_type_put(returned_type);
1261
1262         composite_structure_type = bt_ctf_field_type_structure_create();
1263         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1264                 string_type, "a_string") == 0,
1265                 "Add a string type to a structure");
1266         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1267                 structure_seq_type, "inner_structure") == 0,
1268                 "Add a structure type to a structure");
1269
1270         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1271                 NULL, "a_sequence") == NULL,
1272                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1273         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1274                 structure_seq_type, NULL) == NULL,
1275                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1276         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1277                 structure_seq_type, "a_sequence");
1278         ok(returned_type == sequence_type,
1279                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1280         bt_ctf_field_type_put(returned_type);
1281
1282         int_16 = bt_ctf_field_create(int_16_type);
1283         ok(int_16, "Instanciate a signed 16-bit integer");
1284         uint_12 = bt_ctf_field_create(uint_12_type);
1285         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1286         returned_type = bt_ctf_field_get_type(int_16);
1287         ok(returned_type == int_16_type,
1288                 "bt_ctf_field_get_type returns the correct type");
1289
1290         /* Can't modify types after instanciating them */
1291         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1292                 BT_CTF_INTEGER_BASE_DECIMAL),
1293                 "Check an integer type' base can't be modified after instanciation");
1294         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1295                 "Check an integer type's signedness can't be modified after instanciation");
1296
1297         /* Check signed property is checked */
1298         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1299                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1300         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1301                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1302
1303         /* Check overflows are properly tested for */
1304         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1305                 "Check -32768 is allowed for a signed 16-bit integer");
1306         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1307                 "Check 32767 is allowed for a signed 16-bit integer");
1308         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1309                 "Check 32768 is not allowed for a signed 16-bit integer");
1310         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1311                 "Check -32769 is not allowed for a signed 16-bit integer");
1312         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1313                 "Check -42 is allowed for a signed 16-bit integer");
1314
1315         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1316                 "Check 4095 is allowed for an unsigned 12-bit integer");
1317         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1318                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1319         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1320                 "Check 0 is allowed for an unsigned 12-bit integer");
1321
1322         string = bt_ctf_field_create(string_type);
1323         ok(string, "Instanciate a string field");
1324         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1325                 "Set a string's value");
1326
1327         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1328         ok(enumeration_type,
1329                 "Create an enumeration type with an unsigned 12-bit integer as container");
1330         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
1331                 enumeration_type, "count");
1332         ok(!enumeration_sequence_type,
1333                 "Check enumeration types are validated when creating a sequence");
1334         enumeration_array_type = bt_ctf_field_type_array_create(
1335                 enumeration_type, 10);
1336         ok(!enumeration_array_type,
1337                 "Check enumeration types are validated when creating an array");
1338         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1339                 enumeration_type, "enumeration"),
1340                 "Check enumeration types are validated when adding them as structure members");
1341         enumeration = bt_ctf_field_create(enumeration_type);
1342         ok(!enumeration,
1343                 "Check enumeration types are validated before instantiation");
1344
1345         bt_ctf_field_put(string);
1346         bt_ctf_field_put(uint_12);
1347         bt_ctf_field_put(int_16);
1348         bt_ctf_field_put(enumeration);
1349         bt_ctf_field_type_put(composite_structure_type);
1350         bt_ctf_field_type_put(structure_seq_type);
1351         bt_ctf_field_type_put(string_type);
1352         bt_ctf_field_type_put(sequence_type);
1353         bt_ctf_field_type_put(uint_8_type);
1354         bt_ctf_field_type_put(int_16_type);
1355         bt_ctf_field_type_put(uint_12_type);
1356         bt_ctf_field_type_put(enumeration_type);
1357         bt_ctf_field_type_put(enumeration_sequence_type);
1358         bt_ctf_field_type_put(enumeration_array_type);
1359         bt_ctf_field_type_put(returned_type);
1360 }
1361
1362 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1363                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1364 {
1365         /*
1366          * Append enough events to force the underlying packet to be resized.
1367          * Also tests that a new event can be declared after a stream has been
1368          * instantiated and used/flushed.
1369          */
1370         int ret = 0;
1371         int i;
1372         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1373                 "Spammy_Event");
1374         struct bt_ctf_field_type *integer_type =
1375                 bt_ctf_field_type_integer_create(17);
1376         struct bt_ctf_field_type *string_type =
1377                 bt_ctf_field_type_string_create();
1378         struct bt_ctf_event *event = NULL;
1379         struct bt_ctf_field *ret_field = NULL;
1380         struct bt_ctf_field_type *ret_field_type = NULL;
1381         uint64_t ret_uint64;
1382         int events_appended = 0;
1383         struct bt_ctf_field *packet_context = NULL,
1384                 *packet_context_field = NULL, *event_context = NULL;
1385
1386         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1387                 "field_1");
1388         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1389                 "a_string");
1390         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1391         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1392         if (ret) {
1393                 goto end;
1394         }
1395
1396         event = bt_ctf_event_create(event_class);
1397         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1398         ret_field_type = bt_ctf_field_get_type(ret_field);
1399         ok(ret_field_type == integer_type,
1400                 "bt_ctf_event_get_payload_by_index returns a correct field");
1401         bt_ctf_field_type_put(ret_field_type);
1402         bt_ctf_field_put(ret_field);
1403
1404         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1405                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1406         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1407                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1408         bt_ctf_event_put(event);
1409
1410         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
1411                 "bt_ctf_stream_get_event_context handles NULL correctly");
1412         event_context = bt_ctf_stream_get_event_context(stream);
1413         ok(event_context,
1414                 "bt_ctf_stream_get_event_context returns a stream event context");
1415         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
1416                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
1417         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
1418                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
1419         ok(!bt_ctf_stream_set_event_context(stream, event_context),
1420                 "bt_ctf_stream_set_event_context correctly set a stream event context");
1421         ret_field = bt_ctf_field_create(integer_type);
1422         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
1423                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
1424         bt_ctf_field_put(ret_field);
1425
1426         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
1427                 event = bt_ctf_event_create(event_class);
1428                 struct bt_ctf_field *integer =
1429                         bt_ctf_field_create(integer_type);
1430                 struct bt_ctf_field *string =
1431                         bt_ctf_field_create(string_type);
1432
1433                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1434                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1435                 ret |= bt_ctf_event_set_payload(event, "field_1",
1436                         integer);
1437                 bt_ctf_field_put(integer);
1438                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1439                 ret |= bt_ctf_event_set_payload(event, "a_string",
1440                         string);
1441                 bt_ctf_field_put(string);
1442
1443                 /* Populate stream event context */
1444                 integer = bt_ctf_field_structure_get_field(event_context,
1445                         "common_event_context");
1446                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
1447                         i % 42);
1448                 bt_ctf_field_put(integer);
1449
1450                 ret |= bt_ctf_stream_append_event(stream, event);
1451                 bt_ctf_event_put(event);
1452
1453                 if (ret) {
1454                         break;
1455                 }
1456         }
1457
1458         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
1459         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
1460                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
1461         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
1462                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
1463         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1464         ok(ret == 0 && ret_uint64 == 0,
1465                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
1466         bt_ctf_stream_append_discarded_events(stream, 1000);
1467         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1468         ok(ret == 0 && ret_uint64 == 1000,
1469                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
1470
1471 end:
1472         ok(events_appended, "Append 100 000 events to a stream");
1473
1474         /*
1475          * Populate the custom packet context field with a dummy value
1476          * otherwise flush will fail.
1477          */
1478         packet_context = bt_ctf_stream_get_packet_context(stream);
1479         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1480                 "custom_packet_context_field");
1481         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
1482
1483         ok(bt_ctf_stream_flush(stream) == 0,
1484                 "Flush a stream that forces a packet resize");
1485         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1486         ok(ret == 0 && ret_uint64 == 1000,
1487                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
1488         bt_ctf_field_type_put(integer_type);
1489         bt_ctf_field_type_put(string_type);
1490         bt_ctf_field_put(packet_context);
1491         bt_ctf_field_put(packet_context_field);
1492         bt_ctf_field_put(event_context);
1493         bt_ctf_event_class_put(event_class);
1494 }
1495
1496 void test_empty_stream(struct bt_ctf_writer *writer)
1497 {
1498         int ret = 0;
1499         struct bt_ctf_trace *trace = NULL;
1500         struct bt_ctf_stream_class *stream_class = NULL;
1501         struct bt_ctf_stream *stream = NULL;
1502
1503         trace = bt_ctf_writer_get_trace(writer);
1504         if (!trace) {
1505                 diag("Failed to get trace from writer");
1506                 ret = -1;
1507                 goto end;
1508         }
1509
1510         stream_class = bt_ctf_stream_class_create("empty_stream");
1511         if (!stream_class) {
1512                 diag("Failed to create stream class");
1513                 ret = -1;
1514                 goto end;
1515         }
1516
1517         stream = bt_ctf_writer_create_stream(writer, stream_class);
1518         if (!stream) {
1519                 diag("Failed to create writer stream");
1520                 ret = -1;
1521                 goto end;
1522         }
1523 end:
1524         ok(ret == 0,
1525                 "Created a stream class with default attributes and an empty stream");
1526         bt_ctf_trace_put(trace);
1527         bt_ctf_stream_put(stream);
1528         bt_ctf_stream_class_put(stream_class);
1529 }
1530
1531 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
1532 {
1533         int ret = 0;
1534         struct bt_ctf_trace *trace = NULL;
1535         struct bt_ctf_clock *clock = NULL;
1536         struct bt_ctf_stream_class *stream_class = NULL;
1537         struct bt_ctf_stream *stream = NULL;
1538         struct bt_ctf_event_class *event_class = NULL;
1539         struct bt_ctf_event *event = NULL;
1540         struct bt_ctf_field_type *integer_type = NULL;
1541         struct bt_ctf_field *integer = NULL;
1542
1543         trace = bt_ctf_writer_get_trace(writer);
1544         if (!trace) {
1545                 diag("Failed to get trace from writer");
1546                 ret = -1;
1547                 goto end;
1548         }
1549
1550         clock = bt_ctf_trace_get_clock(trace, 0);
1551         if (!clock) {
1552                 diag("Failed to get clock from trace");
1553                 ret = -1;
1554                 goto end;
1555         }
1556
1557         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
1558         if (!stream_class) {
1559                 diag("Failed to create stream class");
1560                 ret = -1;
1561                 goto end;
1562         }
1563
1564         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
1565         if (ret) {
1566                 diag("Failed to set stream class clock");
1567                 goto end;
1568         }
1569
1570         event_class = bt_ctf_event_class_create("some_event_class_name");
1571         integer_type = bt_ctf_field_type_integer_create(32);
1572         if (!integer_type) {
1573                 diag("Failed to create integer field type");
1574                 ret = -1;
1575                 goto end;
1576         }
1577
1578         ret = bt_ctf_event_class_add_field(event_class, integer_type,
1579                 "integer_field");
1580         if (ret) {
1581                 diag("Failed to add field to event class");
1582                 goto end;
1583         }
1584
1585         ret = bt_ctf_stream_class_add_event_class(stream_class,
1586                 event_class);
1587         if (ret) {
1588                 diag("Failed to add event class to stream class");
1589         }
1590
1591         event = bt_ctf_event_create(event_class);
1592         if (!event) {
1593                 diag("Failed to create event");
1594                 ret = -1;
1595                 goto end;
1596         }
1597
1598         integer = bt_ctf_event_get_payload_by_index(event, 0);
1599         if (!integer) {
1600                 diag("Failed to get integer field payload from event");
1601                 ret = -1;
1602                 goto end;
1603         }
1604
1605         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
1606         if (ret) {
1607                 diag("Failed to set integer field value");
1608                 goto end;
1609         }
1610
1611         stream = bt_ctf_writer_create_stream(writer, stream_class);
1612         if (!stream) {
1613                 diag("Failed to create writer stream");
1614                 ret = -1;
1615                 goto end;
1616         }
1617
1618         ret = bt_ctf_stream_append_event(stream, event);
1619         if (ret) {
1620                 diag("Failed to append event to stream");
1621                 goto end;
1622         }
1623 end:
1624         ok(ret == 0,
1625                 "Create an event before instanciating its associated stream");
1626         bt_ctf_trace_put(trace);
1627         bt_ctf_stream_put(stream);
1628         bt_ctf_stream_class_put(stream_class);
1629         bt_ctf_event_class_put(event_class);
1630         bt_ctf_event_put(event);
1631         bt_ctf_field_type_put(integer_type);
1632         bt_ctf_field_put(integer);
1633         bt_ctf_clock_put(clock);
1634 }
1635
1636 int main(int argc, char **argv)
1637 {
1638         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
1639         char metadata_path[sizeof(trace_path) + 9];
1640         const char *clock_name = "test_clock";
1641         const char *clock_description = "This is a test clock";
1642         const char *returned_clock_name;
1643         const char *returned_clock_description;
1644         const uint64_t frequency = 1123456789;
1645         const uint64_t offset_s = 1351530929945824323;
1646         const uint64_t offset = 1234567;
1647         const uint64_t precision = 10;
1648         const int is_absolute = 0xFF;
1649         char *metadata_string;
1650         struct bt_ctf_writer *writer;
1651         struct utsname name;
1652         char hostname[BABELTRACE_HOST_NAME_MAX];
1653         struct bt_ctf_clock *clock, *ret_clock;
1654         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
1655         struct bt_ctf_stream *stream1;
1656         const char *ret_string;
1657         const unsigned char *ret_uuid;
1658         unsigned char tmp_uuid[16] = { 0 };
1659         struct bt_ctf_field_type *packet_context_type,
1660                 *packet_context_field_type,
1661                 *packet_header_type,
1662                 *packet_header_field_type,
1663                 *integer_type,
1664                 *stream_event_context_type,
1665                 *ret_field_type,
1666                 *event_header_field_type;
1667         struct bt_ctf_field *packet_header, *packet_header_field;
1668         struct bt_ctf_trace *trace;
1669         int ret;
1670         int64_t ret_int64_t;
1671
1672         if (argc < 3) {
1673                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
1674                 return -1;
1675         }
1676
1677         plan_no_plan();
1678
1679         if (!mkdtemp(trace_path)) {
1680                 perror("# perror");
1681         }
1682
1683         strcpy(metadata_path, trace_path);
1684         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
1685
1686         writer = bt_ctf_writer_create(trace_path);
1687         ok(writer, "bt_ctf_create succeeds in creating trace with path");
1688
1689         ok(!bt_ctf_writer_get_trace(NULL),
1690                 "bt_ctf_writer_get_trace correctly handles NULL");
1691         trace = bt_ctf_writer_get_trace(writer);
1692         ok(trace,
1693                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
1694         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1695                 "Set a trace's byte order to big endian");
1696         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1697                 "bt_ctf_trace_get_byte_order returns a correct endianness");
1698
1699         /* Add environment context to the trace */
1700         ret = gethostname(hostname, sizeof(hostname));
1701         if (ret < 0) {
1702                 return ret;
1703         }
1704         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
1705                 "Add host (%s) environment field to writer instance",
1706                 hostname);
1707         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
1708                 "test_value"),
1709                 "bt_ctf_writer_add_environment_field error with NULL writer");
1710         ok(bt_ctf_writer_add_environment_field(writer, NULL,
1711                 "test_value"),
1712                 "bt_ctf_writer_add_environment_field error with NULL field name");
1713         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
1714                 NULL),
1715                 "bt_ctf_writer_add_environment_field error with NULL field value");
1716         ok(bt_ctf_trace_add_environment_field_integer(NULL, "test_env", 0),
1717                 "bt_ctf_trace_add_environment_field_integer handles a NULL trace correctly");
1718         ok(bt_ctf_trace_add_environment_field_integer(trace, NULL, 0),
1719                 "bt_ctf_trace_add_environment_field_integer handles a NULL environment field name");
1720         ok(!bt_ctf_trace_add_environment_field_integer(trace, "test_env",
1721                 123456),
1722                 "Add an integer environment field to a trace instance");
1723
1724         /* Test bt_ctf_trace_get_environment_field_count */
1725         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
1726                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
1727         ok(bt_ctf_trace_get_environment_field_count(trace) == 2,
1728                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
1729
1730         /* Test bt_ctf_trace_get_environment_field_type */
1731         ok(bt_ctf_trace_get_environment_field_type(trace, 2) ==
1732                 BT_ENVIRONMENT_FIELD_TYPE_UNKNOWN,
1733                 "bt_ctf_trace_get_environment_field_type handles an invalid index correctly");
1734         ok(bt_ctf_trace_get_environment_field_type(NULL, 0) ==
1735                 BT_ENVIRONMENT_FIELD_TYPE_UNKNOWN,
1736                 "bt_ctf_trace_get_environment_field_type handles a NULL trace correctly");
1737         ok(bt_ctf_trace_get_environment_field_type(trace, 1) ==
1738                 BT_ENVIRONMENT_FIELD_TYPE_INTEGER,
1739                 "bt_ctf_trace_get_environment_field_type the correct type of environment field");
1740
1741         /* Test bt_ctf_trace_get_environment_field_name */
1742         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
1743                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
1744         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
1745                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly");
1746         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
1747         ok(ret_string && !strcmp(ret_string, "host"),
1748                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1749
1750         /* Test bt_ctf_trace_get_environment_field_value_string */
1751         ok(bt_ctf_trace_get_environment_field_value_string(NULL, 0) == NULL,
1752                 "bt_ctf_trace_get_environment_field_value_string handles a NULL trace correctly");
1753         ok(bt_ctf_trace_get_environment_field_value_string(trace, -1) == NULL,
1754                 "bt_ctf_trace_get_environment_field_value_string handles an invalid index correctly");
1755         ok(bt_ctf_trace_get_environment_field_value_string(trace, 1) == NULL,
1756                 "bt_ctf_trace_get_environment_field_value_string validates environment field type");
1757         ret_string = bt_ctf_trace_get_environment_field_value_string(trace, 0);
1758         ok(ret_string && !strcmp(ret_string, hostname),
1759                 "bt_ctf_trace_get_environment_field_value_string returns a correct value");
1760
1761         /* Test bt_ctf_trace_get_environment_field_value_integer */
1762         ok(bt_ctf_trace_get_environment_field_value_integer(NULL, 0, &ret_int64_t) < 0,
1763                 "bt_ctf_trace_get_environment_field_value_integer handles a NULL trace correctly");
1764         ok(bt_ctf_trace_get_environment_field_value_integer(trace, 42, &ret_int64_t) < 0,
1765                 "bt_ctf_trace_get_environment_field_value_integer handles an invalid index correctly");
1766         ok(bt_ctf_trace_get_environment_field_value_integer(trace, 1, NULL) < 0,
1767                 "bt_ctf_trace_get_environment_field_value_integer handles a NULL value argument correctly");
1768         ok(bt_ctf_trace_get_environment_field_value_integer(trace, 0, &ret_int64_t) < 0,
1769                 "bt_ctf_trace_get_environment_field_value_integer validates environment field type");
1770         ok(!bt_ctf_trace_get_environment_field_value_integer(trace, 1, &ret_int64_t),
1771                 "bt_ctf_trace_get_environment_field_value_integer returns a value");
1772         ok(ret_int64_t == 123456,
1773                 "bt_ctf_trace_get_environment_field_value_integer returned a correct value");
1774
1775         if (uname(&name)) {
1776                 perror("uname");
1777                 return -1;
1778         }
1779
1780         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
1781                 == 0, "Add sysname (%s) environment field to writer instance",
1782                 name.sysname);
1783         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
1784                 name.nodename) == 0,
1785                 "Add nodename (%s) environment field to writer instance",
1786                 name.nodename);
1787         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
1788                 == 0, "Add release (%s) environment field to writer instance",
1789                 name.release);
1790         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
1791                 == 0, "Add version (%s) environment field to writer instance",
1792                 name.version);
1793         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
1794                 == 0, "Add machine (%s) environment field to writer istance",
1795                 name.machine);
1796
1797         /* Define a clock and add it to the trace */
1798         ok(bt_ctf_clock_create("signed") == NULL,
1799                 "Illegal clock name rejected");
1800         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
1801         clock = bt_ctf_clock_create(clock_name);
1802         ok(clock, "Clock created sucessfully");
1803         returned_clock_name = bt_ctf_clock_get_name(clock);
1804         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
1805         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
1806                 "Returned clock name is valid");
1807
1808         returned_clock_description = bt_ctf_clock_get_description(clock);
1809         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
1810         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
1811                 "Clock description set successfully");
1812
1813         returned_clock_description = bt_ctf_clock_get_description(clock);
1814         ok(returned_clock_description,
1815                 "bt_ctf_clock_get_description returns a description.");
1816         ok(returned_clock_description ?
1817                 !strcmp(returned_clock_description, clock_description) : 0,
1818                 "Returned clock description is valid");
1819
1820         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
1821                 "bt_ctf_clock_get_frequency returns the correct default frequency");
1822         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
1823                 "Set clock frequency");
1824         ok(bt_ctf_clock_get_frequency(clock) == frequency,
1825                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
1826
1827         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
1828                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
1829         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
1830                 "Set clock offset (seconds)");
1831         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
1832                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
1833
1834         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
1835                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
1836         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
1837         ok(bt_ctf_clock_get_offset(clock) == offset,
1838                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
1839
1840         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
1841                 "bt_ctf_clock_get_precision returns the correct default precision");
1842         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
1843                 "Set clock precision");
1844         ok(bt_ctf_clock_get_precision(clock) == precision,
1845                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
1846
1847         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
1848                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
1849         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
1850                 "Set clock absolute property");
1851         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
1852                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
1853
1854         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
1855                 "bt_ctf_clock_get_time returns the correct default time");
1856         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
1857                 "Set clock time");
1858         ok(bt_ctf_clock_get_time(clock) == current_time,
1859                 "bt_ctf_clock_get_time returns the correct time once it is set");
1860
1861         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
1862                 "Add clock to writer instance");
1863         ok(bt_ctf_writer_add_clock(writer, clock),
1864                 "Verify a clock can't be added twice to a writer instance");
1865
1866         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
1867                 "bt_ctf_trace_get_clock_count correctly handles NULL");
1868         ok(bt_ctf_trace_get_clock_count(trace) == 1,
1869                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
1870         ok(!bt_ctf_trace_get_clock(NULL, 0),
1871                 "bt_ctf_trace_get_clock correctly handles NULL");
1872         ok(!bt_ctf_trace_get_clock(trace, -1),
1873                 "bt_ctf_trace_get_clock correctly handles negative indexes");
1874         ok(!bt_ctf_trace_get_clock(trace, 1),
1875                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
1876         ret_clock = bt_ctf_trace_get_clock(trace, 0);
1877         ok(ret_clock == clock,
1878                 "bt_ctf_trace_get_clock returns the right clock instance");
1879         bt_ctf_clock_put(ret_clock);
1880         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
1881                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
1882         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
1883                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
1884         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
1885                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
1886         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
1887         ok(ret_clock == clock,
1888                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
1889         bt_ctf_clock_put(ret_clock);
1890         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
1891                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
1892
1893         ok(!bt_ctf_clock_get_name(NULL),
1894                 "bt_ctf_clock_get_name correctly handles NULL");
1895         ok(!bt_ctf_clock_get_description(NULL),
1896                 "bt_ctf_clock_get_description correctly handles NULL");
1897         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
1898                 "bt_ctf_clock_get_frequency correctly handles NULL");
1899         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
1900                 "bt_ctf_clock_get_precision correctly handles NULL");
1901         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
1902                 "bt_ctf_clock_get_offset_s correctly handles NULL");
1903         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
1904                 "bt_ctf_clock_get_offset correctly handles NULL");
1905         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
1906                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
1907         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
1908                 "bt_ctf_clock_get_time correctly handles NULL");
1909
1910         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
1911                 "bt_ctf_clock_set_description correctly handles NULL clock");
1912         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
1913                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
1914         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
1915                 "bt_ctf_clock_get_precision correctly handles NULL clock");
1916         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
1917                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
1918         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
1919                 "bt_ctf_clock_set_offset correctly handles NULL clock");
1920         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
1921                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
1922         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
1923                 "bt_ctf_clock_set_time correctly handles NULL clock");
1924         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
1925                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
1926         ret_uuid = bt_ctf_clock_get_uuid(clock);
1927         ok(ret_uuid,
1928                 "bt_ctf_clock_get_uuid returns a UUID");
1929         if (ret_uuid) {
1930                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
1931                 /* Slightly modify UUID */
1932                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
1933         }
1934
1935         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
1936                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
1937         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
1938                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
1939         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
1940                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
1941         ret_uuid = bt_ctf_clock_get_uuid(clock);
1942         ok(ret_uuid,
1943                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
1944         ok(uuid_match(ret_uuid, tmp_uuid),
1945                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
1946
1947         /* Define a stream class */
1948         stream_class = bt_ctf_stream_class_create("test_stream");
1949
1950         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
1951                 "bt_ctf_stream_class_get_name handles NULL correctly");
1952         ret_string = bt_ctf_stream_class_get_name(stream_class);
1953         ok(ret_string && !strcmp(ret_string, "test_stream"),
1954                 "bt_ctf_stream_class_get_name returns a correct stream class name");
1955
1956         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
1957                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
1958         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
1959                 "bt_ctf_stream_class_get_clock handles NULL correctly");
1960
1961         ok(stream_class, "Create stream class");
1962         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
1963                 "Set a stream class' clock");
1964         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
1965         ok(ret_clock == clock,
1966                 "bt_ctf_stream_class_get_clock returns a correct clock");
1967         bt_ctf_clock_put(ret_clock);
1968
1969         /* Test the event fields and event types APIs */
1970         type_field_tests();
1971
1972         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
1973                 "bt_ctf_stream_class_get_id returns an error when no id is set");
1974         ok(bt_ctf_stream_class_get_id(NULL) < 0,
1975                 "bt_ctf_stream_class_get_id handles NULL correctly");
1976         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
1977                 "bt_ctf_stream_class_set_id handles NULL correctly");
1978         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
1979                 "Set an stream class' id");
1980         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
1981                 "bt_ctf_stream_class_get_id returns the correct value");
1982
1983         /* Validate default event header fields */
1984         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
1985                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
1986         ret_field_type = bt_ctf_stream_class_get_event_header_type(
1987                 stream_class);
1988         ok(ret_field_type,
1989                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
1990         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
1991                 "Default event header type is a structure");
1992         event_header_field_type =
1993                 bt_ctf_field_type_structure_get_field_type_by_name(
1994                 ret_field_type, "id");
1995         ok(event_header_field_type,
1996                 "Default event header type contains an \"id\" field");
1997         ok(bt_ctf_field_type_get_type_id(
1998                 event_header_field_type) == CTF_TYPE_INTEGER,
1999                 "Default event header \"id\" field is an integer");
2000         bt_ctf_field_type_put(event_header_field_type);
2001         event_header_field_type =
2002                 bt_ctf_field_type_structure_get_field_type_by_name(
2003                 ret_field_type, "timestamp");
2004         ok(event_header_field_type,
2005                 "Default event header type contains a \"timestamp\" field");
2006         ok(bt_ctf_field_type_get_type_id(
2007                 event_header_field_type) == CTF_TYPE_INTEGER,
2008                 "Default event header \"timestamp\" field is an integer");
2009         bt_ctf_field_type_put(event_header_field_type);
2010         bt_ctf_field_type_put(ret_field_type);
2011
2012         /* Add a custom trace packet header field */
2013         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
2014                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
2015         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
2016         ok(packet_header_type,
2017                 "bt_ctf_trace_get_packet_header_type returns a packet header");
2018         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
2019                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
2020         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2021                 packet_header_type, "magic");
2022         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
2023         bt_ctf_field_type_put(ret_field_type);
2024         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2025                 packet_header_type, "uuid");
2026         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
2027         bt_ctf_field_type_put(ret_field_type);
2028         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2029                 packet_header_type, "stream_id");
2030         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
2031         bt_ctf_field_type_put(ret_field_type);
2032
2033         packet_header_field_type = bt_ctf_field_type_integer_create(22);
2034         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
2035                 packet_header_field_type, "custom_trace_packet_header_field"),
2036                 "Added a custom trace packet header field successfully");
2037
2038         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
2039                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
2040         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
2041                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
2042         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
2043                 "Set a trace packet_header_type successfully");
2044
2045         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
2046                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
2047
2048         /* Add a custom field to the stream class' packet context */
2049         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
2050         ok(packet_context_type,
2051                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
2052         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
2053                 "Packet context is a structure");
2054
2055         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
2056                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
2057         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
2058                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
2059
2060         integer_type = bt_ctf_field_type_integer_create(32);
2061         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
2062                 integer_type) < 0,
2063                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
2064         /* Create a "uint5_t" equivalent custom packet context field */
2065         packet_context_field_type = bt_ctf_field_type_integer_create(5);
2066
2067         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2068                 packet_context_field_type, "custom_packet_context_field");
2069         ok(ret == 0, "Packet context field added successfully");
2070
2071         /* Define a stream event context containing a my_integer field. */
2072         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
2073                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
2074         ok(bt_ctf_stream_class_get_event_context_type(
2075                 stream_class) == NULL,
2076                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
2077         stream_event_context_type = bt_ctf_field_type_structure_create();
2078         bt_ctf_field_type_structure_add_field(stream_event_context_type,
2079                 integer_type, "common_event_context");
2080
2081         ok(bt_ctf_stream_class_set_event_context_type(NULL,
2082                 stream_event_context_type) < 0,
2083                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
2084         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2085                 NULL) < 0,
2086                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
2087         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2088                 integer_type) < 0,
2089                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
2090
2091         ok(bt_ctf_stream_class_set_event_context_type(
2092                 stream_class, stream_event_context_type) == 0,
2093                 "Set a new stream event context type");
2094         ret_field_type = bt_ctf_stream_class_get_event_context_type(
2095                 stream_class);
2096         ok(ret_field_type == stream_event_context_type,
2097                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
2098         bt_ctf_field_type_put(ret_field_type);
2099
2100         /* Instantiate a stream and append events */
2101         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
2102         ok(stream1, "Instanciate a stream class from writer");
2103
2104         ok(bt_ctf_stream_get_class(NULL) == NULL,
2105                 "bt_ctf_stream_get_class correctly handles NULL");
2106         ret_stream_class = bt_ctf_stream_get_class(stream1);
2107         ok(ret_stream_class,
2108                 "bt_ctf_stream_get_class returns a stream class");
2109         ok(ret_stream_class == stream_class,
2110                 "Returned stream class is of the correct type");
2111
2112         /*
2113          * Try to modify the packet context type after a stream has been
2114          * created.
2115          */
2116         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
2117                 packet_header_field_type, "should_fail");
2118         ok(ret < 0,
2119                 "Trace packet header type can't be modified once a stream has been instanciated");
2120
2121         /*
2122          * Try to modify the packet context type after a stream has been
2123          * created.
2124          */
2125         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2126                 packet_context_field_type, "should_fail");
2127         ok(ret < 0,
2128                 "Packet context type can't be modified once a stream has been instanciated");
2129
2130         /*
2131          * Try to modify the stream event context type after a stream has been
2132          * created.
2133          */
2134         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
2135                 integer_type, "should_fail");
2136         ok(ret < 0,
2137                 "Stream event context type can't be modified once a stream has been instanciated");
2138
2139         /* Should fail after instanciating a stream (frozen) */
2140         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
2141                 "Changes to a stream class that was already instantiated fail");
2142
2143         /* Populate the custom packet header field only once for all tests */
2144         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
2145                 "bt_ctf_stream_get_packet_header handles NULL correctly");
2146         packet_header = bt_ctf_stream_get_packet_header(stream1);
2147         ok(packet_header,
2148                 "bt_ctf_stream_get_packet_header returns a packet header");
2149         ret_field_type = bt_ctf_field_get_type(packet_header);
2150         ok(ret_field_type == packet_header_type,
2151                 "Stream returns a packet header of the appropriate type");
2152         bt_ctf_field_type_put(ret_field_type);
2153         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
2154                 "custom_trace_packet_header_field");
2155         ok(packet_header_field,
2156                 "Packet header structure contains a custom field with the appropriate name");
2157         ret_field_type = bt_ctf_field_get_type(packet_header_field);
2158         ok(ret_field_type == packet_header_field_type,
2159                 "Custom packet header field is of the expected type");
2160         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
2161                 54321), "Set custom packet header value successfully");
2162         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
2163                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
2164         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
2165                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
2166         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
2167                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
2168         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
2169                 "Successfully set a stream's packet header");
2170
2171         test_instanciate_event_before_stream(writer);
2172
2173         append_simple_event(stream_class, stream1, clock);
2174
2175         packet_resize_test(stream_class, stream1, clock);
2176
2177         append_complex_event(stream_class, stream1, clock);
2178
2179         test_empty_stream(writer);
2180
2181         metadata_string = bt_ctf_writer_get_metadata_string(writer);
2182         ok(metadata_string, "Get metadata string");
2183
2184         bt_ctf_writer_flush_metadata(writer);
2185         validate_metadata(argv[1], metadata_path);
2186         validate_trace(argv[2], trace_path);
2187
2188         bt_ctf_clock_put(clock);
2189         bt_ctf_stream_class_put(stream_class);
2190         bt_ctf_stream_class_put(ret_stream_class);
2191         bt_ctf_writer_put(writer);
2192         bt_ctf_stream_put(stream1);
2193         bt_ctf_field_type_put(packet_context_type);
2194         bt_ctf_field_type_put(packet_context_field_type);
2195         bt_ctf_field_type_put(integer_type);
2196         bt_ctf_field_type_put(stream_event_context_type);
2197         bt_ctf_field_type_put(ret_field_type);
2198         bt_ctf_field_type_put(packet_header_type);
2199         bt_ctf_field_type_put(packet_header_field_type);
2200         bt_ctf_field_put(packet_header);
2201         bt_ctf_field_put(packet_header_field);
2202         bt_ctf_trace_put(trace);
2203         free(metadata_string);
2204
2205         /* Remove all trace files and delete temporary trace directory */
2206         DIR *trace_dir = opendir(trace_path);
2207         if (!trace_dir) {
2208                 perror("# opendir");
2209                 return -1;
2210         }
2211
2212         struct dirent *entry;
2213         while ((entry = readdir(trace_dir))) {
2214                 if (entry->d_type == DT_REG) {
2215                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
2216                 }
2217         }
2218
2219         rmdir(trace_path);
2220         closedir(trace_dir);
2221         return 0;
2222 }