tests/lib/test_ctf_writer.c

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