tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ctf-ir/packet.h>
  30 #include <babeltrace/ref.h>
  31 #include <babeltrace/ctf/events.h>
  32 #include <babeltrace/values.h>
  33 #include <unistd.h>
  34 #include <babeltrace/compat/stdlib.h>
  35 #include <stdio.h>
  36 #include <sys/utsname.h>
  37 #include <babeltrace/compat/limits.h>
  38 #include <babeltrace/compat/stdio.h>
  39 #include <string.h>
  40 #include <assert.h>
  41 #include <sys/wait.h>
  42 #include <fcntl.h>
  43 #include <babeltrace/compat/dirent.h>
  44 #include "tap/tap.h"
  45 #include <math.h>
  46 #include <float.h>
  47 #include <sys/stat.h>
  48
  49 #define METADATA_LINE_SIZE 512
  50 #define SEQUENCE_TEST_LENGTH 10
  51 #define ARRAY_TEST_LENGTH 5
  52 #define PACKET_RESIZE_TEST_LENGTH 100000
  53
  54 #define DEFAULT_CLOCK_FREQ 1000000000
  55 #define DEFAULT_CLOCK_PRECISION 1
  56 #define DEFAULT_CLOCK_OFFSET 0
  57 #define DEFAULT_CLOCK_OFFSET_S 0
  58 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  59 #define DEFAULT_CLOCK_TIME 0
  60 #define DEFAULT_CLOCK_VALUE 0
  61
  62 #define NR_TESTS 605
  63
  64 static int64_t current_time = 42;
  65
  66 static
  67 void delete_trace(const char *trace_path)
  68 {
  69         /* Remove all trace files and delete temporary trace directory */
  70         struct dirent *entry;
  71         DIR *trace_dir = opendir(trace_path);
  72
  73         if (!trace_dir) {
  74                 perror("# opendir");
  75                 return;
  76         }
  77
  78         while ((entry = readdir(trace_dir))) {
  79                 struct stat st;
  80                 char filename[PATH_MAX];
  81
  82                 if (snprintf(filename, sizeof(filename), "%s/%s",
  83                              trace_path, entry->d_name) <= 0) {
  84                         continue;
  85                 }
  86
  87                 if (stat(filename, &st)) {
  88                         continue;
  89                 }
  90
  91                 if (S_ISREG(st.st_mode)) {
  92                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
  93                 }
  94         }
  95
  96         rmdir(trace_path);
  97         closedir(trace_dir);
  98 }
  99
 100 /* Return 1 if uuids match, zero if different. */
 101 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
 102 {
 103         int ret = 0;
 104         int i;
 105
 106         if (!uuid_a || !uuid_b) {
 107                 goto end;
 108         }
 109
 110         for (i = 0; i < 16; i++) {
 111                 if (uuid_a[i] != uuid_b[i]) {
 112                         goto end;
 113                 }
 114         }
 115
 116         ret = 1;
 117 end:
 118         return ret;
 119 }
 120
 121 void validate_metadata(char *parser_path, char *metadata_path)
 122 {
 123         int ret = 0;
 124         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
 125         int parser_output_fd = -1, metadata_fd = -1;
 126
 127         if (!metadata_path) {
 128                 ret = -1;
 129                 goto result;
 130         }
 131
 132         parser_output_fd = mkstemp(parser_output_path);
 133         metadata_fd = open(metadata_path, O_RDONLY);
 134
 135         unlink(parser_output_path);
 136
 137         if (parser_output_fd == -1 || metadata_fd == -1) {
 138                 diag("Failed create temporary files for metadata parsing.");
 139                 ret = -1;
 140                 goto result;
 141         }
 142
 143         pid_t pid = fork();
 144         if (pid) {
 145                 int status = 0;
 146                 waitpid(pid, &status, 0);
 147                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 148         } else {
 149                 /* ctf-parser-test expects a metadata string on stdin. */
 150                 ret = dup2(metadata_fd, STDIN_FILENO);
 151                 if (ret < 0) {
 152                         perror("# dup2 metadata_fd to STDIN");
 153                         goto result;
 154                 }
 155
 156                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 157                 if (ret < 0) {
 158                         perror("# dup2 parser_output_fd to STDOUT");
 159                         goto result;
 160                 }
 161
 162                 ret = dup2(parser_output_fd, STDERR_FILENO);
 163                 if (ret < 0) {
 164                         perror("# dup2 parser_output_fd to STDERR");
 165                         goto result;
 166                 }
 167
 168                 execl(parser_path, "ctf-parser-test", NULL);
 169                 perror("# Could not launch the ctf metadata parser process");
 170                 exit(-1);
 171         }
 172 result:
 173         ok(ret == 0, "Metadata string is valid");
 174
 175         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 176                 char *line;
 177                 size_t len = METADATA_LINE_SIZE;
 178                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 179
 180                 metadata_fp = fdopen(metadata_fd, "r");
 181                 if (!metadata_fp) {
 182                         perror("fdopen on metadata_fd");
 183                         goto close_fp;
 184                 }
 185                 metadata_fd = -1;
 186
 187                 parser_output_fp = fdopen(parser_output_fd, "r");
 188                 if (!parser_output_fp) {
 189                         perror("fdopen on parser_output_fd");
 190                         goto close_fp;
 191                 }
 192                 parser_output_fd = -1;
 193
 194                 line = malloc(len);
 195                 if (!line) {
 196                         diag("malloc failure");
 197                 }
 198
 199                 rewind(metadata_fp);
 200
 201                 /* Output the metadata and parser output as diagnostic */
 202                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 203                         fprintf(stderr, "# %s", line);
 204                 }
 205
 206                 rewind(parser_output_fp);
 207                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 208                         fprintf(stderr, "# %s", line);
 209                 }
 210
 211                 free(line);
 212 close_fp:
 213                 if (metadata_fp) {
 214                         if (fclose(metadata_fp)) {
 215                                 diag("fclose failure");
 216                         }
 217                 }
 218                 if (parser_output_fp) {
 219                         if (fclose(parser_output_fp)) {
 220                                 diag("fclose failure");
 221                         }
 222                 }
 223         }
 224
 225         if (parser_output_fd >= 0) {
 226                 if (close(parser_output_fd)) {
 227                         diag("close error");
 228                 }
 229         }
 230         if (metadata_fd >= 0) {
 231                 if (close(metadata_fd)) {
 232                         diag("close error");
 233                 }
 234         }
 235 }
 236
 237 void validate_trace(char *parser_path, char *trace_path)
 238 {
 239         int ret = 0;
 240         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 241         int babeltrace_output_fd = -1;
 242
 243         if (!trace_path) {
 244                 ret = -1;
 245                 goto result;
 246         }
 247
 248         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 249         unlink(babeltrace_output_path);
 250
 251         if (babeltrace_output_fd == -1) {
 252                 diag("Failed to create a temporary file for trace parsing.");
 253                 ret = -1;
 254                 goto result;
 255         }
 256
 257         pid_t pid = fork();
 258         if (pid) {
 259                 int status = 0;
 260                 waitpid(pid, &status, 0);
 261                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 262         } else {
 263                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 264                 if (ret < 0) {
 265                         perror("# dup2 babeltrace_output_fd to STDOUT");
 266                         goto result;
 267                 }
 268
 269                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 270                 if (ret < 0) {
 271                         perror("# dup2 babeltrace_output_fd to STDERR");
 272                         goto result;
 273                 }
 274
 275                 execl(parser_path, "babeltrace", trace_path, NULL);
 276                 perror("# Could not launch the babeltrace process");
 277                 exit(-1);
 278         }
 279 result:
 280         ok(ret == 0, "Babeltrace could read the resulting trace");
 281
 282         if (ret && babeltrace_output_fd >= 0) {
 283                 char *line;
 284                 size_t len = METADATA_LINE_SIZE;
 285                 FILE *babeltrace_output_fp = NULL;
 286
 287                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 288                 if (!babeltrace_output_fp) {
 289                         perror("fdopen on babeltrace_output_fd");
 290                         goto close_fp;
 291                 }
 292                 babeltrace_output_fd = -1;
 293
 294                 line = malloc(len);
 295                 if (!line) {
 296                         diag("malloc error");
 297                 }
 298                 rewind(babeltrace_output_fp);
 299                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 300                         diag("%s", line);
 301                 }
 302
 303                 free(line);
 304 close_fp:
 305                 if (babeltrace_output_fp) {
 306                         if (fclose(babeltrace_output_fp)) {
 307                                 diag("fclose error");
 308                         }
 309                 }
 310         }
 311
 312         if (babeltrace_output_fd >= 0) {
 313                 if (close(babeltrace_output_fd)) {
 314                         diag("close error");
 315                 }
 316         }
 317 }
 318
 319 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 320                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 321 {
 322         /* Create and add a simple event class */
 323         struct bt_ctf_event_class *simple_event_class =
 324                 bt_ctf_event_class_create("Simple Event");
 325         struct bt_ctf_field_type *uint_12_type =
 326                 bt_ctf_field_type_integer_create(12);
 327         struct bt_ctf_field_type *int_64_type =
 328                 bt_ctf_field_type_integer_create(64);
 329         struct bt_ctf_field_type *float_type =
 330                 bt_ctf_field_type_floating_point_create();
 331         struct bt_ctf_field_type *enum_type;
 332         struct bt_ctf_field_type *enum_type_unsigned =
 333                 bt_ctf_field_type_enumeration_create(uint_12_type);
 334         struct bt_ctf_field_type *event_context_type =
 335                 bt_ctf_field_type_structure_create();
 336         struct bt_ctf_field_type *event_payload_type = NULL;
 337         struct bt_ctf_field_type *returned_type;
 338         struct bt_ctf_event *simple_event;
 339         struct bt_ctf_field *integer_field;
 340         struct bt_ctf_field *float_field;
 341         struct bt_ctf_field *enum_field;
 342         struct bt_ctf_field *enum_field_unsigned;
 343         struct bt_ctf_field *enum_container_field;
 344         const char *mapping_name_test = "truie";
 345         const double double_test_value = 3.1415;
 346         struct bt_ctf_field *enum_container_field_unsigned;
 347         const char *mapping_name_negative_test = "negative_value";
 348         const char *ret_char;
 349         double ret_double;
 350         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 351         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 352         struct bt_ctf_clock *ret_clock;
 353         struct bt_ctf_event_class *ret_event_class;
 354         struct bt_ctf_field *packet_context;
 355         struct bt_ctf_field *packet_context_field;
 356         struct bt_ctf_field *stream_event_context;
 357         struct bt_ctf_field *stream_event_context_field;
 358         struct bt_ctf_field *event_context;
 359         struct bt_ctf_field *event_context_field;
 360         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 361         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 362         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 363         int ret;
 364
 365         ok(uint_12_type, "Create an unsigned integer type");
 366
 367         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 368         ok(int_64_type, "Create a signed integer type");
 369         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 370
 371         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 372         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 373         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 374         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 375                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 376         bt_put(returned_type);
 377
 378         bt_ctf_field_type_set_alignment(float_type, 32);
 379         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 380                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 381         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 382                 "bt_ctf_field_type_get_alignment returns a correct value");
 383
 384         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 385                 "Set a floating point type's exponent digit count");
 386         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 387                 "Set a floating point type's mantissa digit count");
 388
 389         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 390                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 391         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 392                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 393         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 394                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 395         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 396                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 397
 398         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 399                 mapping_name_negative_test, -12345, 0) == 0,
 400                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 401         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 402                 "escaping; \"test\"", 1, 1) == 0,
 403                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 404         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 405                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 406                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 407         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 408                 "event clock int float", 5, 22) == 0,
 409                 "Accept enumeration mapping strings containing reserved keywords");
 410         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 411                 42, 42);
 412         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 413                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 414         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 415                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 416         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 417                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 418         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 419
 420         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 421                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 422         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 423                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 424         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 425                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 426
 427         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 428                 "enum_field") == 0, "Add signed enumeration field to event");
 429
 430         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 431                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 432                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 433         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 434                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 435                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 436         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 437                 NULL, &ret_range_end_int64_t) < 0,
 438                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 439         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 440                 &ret_range_start_int64_t, NULL) < 0,
 441                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 442         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 443                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 444                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 445         ok(!strcmp(ret_char, mapping_name_test),
 446                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 447         ok(ret_range_start_int64_t == 42,
 448                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 449         ok(ret_range_end_int64_t == 42,
 450                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 451
 452         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 453                 "escaping; \"test\"", 0, 0) == 0,
 454                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 455         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 456                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 457                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 458         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 459                 "event clock int float", 5, 22) == 0,
 460                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 461         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 462                 42, 42);
 463         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 464                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 465         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 466                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 467         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 468                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 469         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 470                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 471
 472         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 473                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 474         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 475                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 476
 477         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 478                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 479                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 480         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 481                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 482                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 483         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 484                 NULL, &ret_range_end_uint64_t) < 0,
 485                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 486         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 487                 &ret_range_start_uint64_t, NULL) < 0,
 488                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 489         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 490                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 491                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 492         ok(!strcmp(ret_char, mapping_name_test),
 493                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 494         ok(ret_range_start_uint64_t == 42,
 495                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 496         ok(ret_range_end_uint64_t == 42,
 497                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 498
 499         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 500                 "integer_field");
 501         bt_ctf_event_class_add_field(simple_event_class, float_type,
 502                 "float_field");
 503
 504         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 505
 506         /* Set an event context type which will contain a single integer*/
 507         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 508                 "event_specific_context"),
 509                 "Add event specific context field");
 510         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 511                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 512         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 513                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 514
 515         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 516                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 517         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 518                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 519         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 520                 "Set an event class' context type successfully");
 521         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 522         ok(returned_type == event_context_type,
 523                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 524         bt_put(returned_type);
 525
 526         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 527
 528         /*
 529          * bt_ctf_stream_class_add_event_class() copies the field types
 530          * of simple_event_class, so we retrieve the new ones to create
 531          * the appropriate fields.
 532          */
 533         BT_PUT(event_context_type);
 534         BT_PUT(event_payload_type);
 535         event_payload_type = bt_ctf_event_class_get_payload_type(
 536                 simple_event_class);
 537         assert(event_payload_type);
 538         event_context_type = bt_ctf_event_class_get_context_type(
 539                 simple_event_class);
 540         assert(event_context_type);
 541         ep_integer_field_type =
 542                 bt_ctf_field_type_structure_get_field_type_by_name(
 543                         event_payload_type, "integer_field");
 544         assert(ep_integer_field_type);
 545         ep_enum_field_type =
 546                 bt_ctf_field_type_structure_get_field_type_by_name(
 547                         event_payload_type, "enum_field");
 548         assert(ep_enum_field_type);
 549         ep_enum_field_unsigned_type =
 550                 bt_ctf_field_type_structure_get_field_type_by_name(
 551                         event_payload_type, "enum_field_unsigned");
 552         assert(ep_enum_field_unsigned_type);
 553
 554         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 555                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 556         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 557                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 558         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 559                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 560         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 561                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 562         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 563         ok(ret_event_class == simple_event_class,
 564                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 565         bt_put(ret_event_class);
 566         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 567                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 568         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 569                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 570         ret_event_class =
 571                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 572         ok(ret_event_class == simple_event_class,
 573                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 574         bt_put(ret_event_class);
 575
 576         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 577                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 578         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 579                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 580         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 581                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 582         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 583         ok(ret_event_class == simple_event_class,
 584                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 585         bt_put(ret_event_class);
 586
 587         simple_event = bt_ctf_event_create(simple_event_class);
 588         ok(simple_event,
 589                 "Instantiate an event containing a single integer field");
 590
 591         ok(bt_ctf_event_get_clock(NULL) == NULL,
 592                 "bt_ctf_event_get_clock handles NULL correctly");
 593         ret_clock = bt_ctf_event_get_clock(simple_event);
 594         ok(ret_clock == clock,
 595                 "bt_ctf_event_get_clock returns a correct clock");
 596         bt_put(clock);
 597
 598         integer_field = bt_ctf_field_create(ep_integer_field_type);
 599         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 600         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 601                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 602
 603         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 604         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 605                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 606         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 607         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 608                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 609         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 610                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 611         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 612                 "bt_ctf_field_floating_point_get_value returns a double value");
 613         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 614                 "bt_ctf_field_floating_point_get_value returns a correct value");
 615
 616         enum_field = bt_ctf_field_create(ep_enum_field_type);
 617         assert(enum_field);
 618         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 619         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 620         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 621         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 622         enum_container_field = bt_ctf_field_enumeration_get_container(
 623                 enum_field);
 624         ok(bt_ctf_field_signed_integer_set_value(
 625                 enum_container_field, -42) == 0,
 626                 "Set signed enumeration container value");
 627         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 628         ok(!strcmp(ret_char, mapping_name_negative_test),
 629                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 630         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 631         assert(!ret);
 632
 633         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 634         assert(enum_field_unsigned);
 635         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 636                 enum_field_unsigned);
 637         ok(bt_ctf_field_unsigned_integer_set_value(
 638                 enum_container_field_unsigned, 42) == 0,
 639                 "Set unsigned enumeration container value");
 640         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 641                 enum_field_unsigned);
 642         assert(!ret);
 643         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 644         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 645                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 646
 647         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 648
 649         /* Populate stream event context */
 650         stream_event_context =
 651                 bt_ctf_event_get_stream_event_context(simple_event);
 652         assert(stream_event_context);
 653         stream_event_context_field = bt_ctf_field_structure_get_field(
 654                 stream_event_context, "common_event_context");
 655         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 656
 657         /* Populate the event's context */
 658         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 659                 "bt_ctf_event_get_event_context handles NULL correctly");
 660         event_context = bt_ctf_event_get_event_context(simple_event);
 661         ok(event_context,
 662                 "bt_ctf_event_get_event_context returns a field");
 663         returned_type = bt_ctf_field_get_type(event_context);
 664         ok(returned_type == event_context_type,
 665                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 666         event_context_field = bt_ctf_field_structure_get_field(event_context,
 667                 "event_specific_context");
 668         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 669                 "Successfully set an event context's value");
 670         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 671                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 672         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 673                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 674         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 675                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 676         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 677                 "Set an event context successfully");
 678
 679         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 680                 "Append simple event to trace stream");
 681
 682         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 683                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 684         packet_context = bt_ctf_stream_get_packet_context(stream);
 685         ok(packet_context,
 686                 "bt_ctf_stream_get_packet_context returns a packet context");
 687
 688         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 689                 "packet_size");
 690         ok(packet_context_field,
 691                 "Packet context contains the default packet_size field.");
 692         bt_put(packet_context_field);
 693         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 694                 "custom_packet_context_field");
 695         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 696                 "Custom packet context field value successfully set.");
 697
 698         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 699                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 700         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 701                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 702         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 703                 "Successfully set a stream's packet context");
 704
 705         ok(bt_ctf_stream_flush(stream) == 0,
 706                 "Flush trace stream with one event");
 707
 708         bt_put(simple_event_class);
 709         bt_put(simple_event);
 710         bt_put(uint_12_type);
 711         bt_put(int_64_type);
 712         bt_put(float_type);
 713         bt_put(enum_type);
 714         bt_put(enum_type_unsigned);
 715         bt_put(returned_type);
 716         bt_put(event_context_type);
 717         bt_put(integer_field);
 718         bt_put(float_field);
 719         bt_put(enum_field);
 720         bt_put(enum_field_unsigned);
 721         bt_put(enum_container_field);
 722         bt_put(enum_container_field_unsigned);
 723         bt_put(packet_context);
 724         bt_put(packet_context_field);
 725         bt_put(stream_event_context);
 726         bt_put(stream_event_context_field);
 727         bt_put(event_context);
 728         bt_put(event_context_field);
 729         bt_put(event_payload_type);
 730         bt_put(ep_integer_field_type);
 731         bt_put(ep_enum_field_type);
 732         bt_put(ep_enum_field_unsigned_type);
 733 }
 734
 735 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 736                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 737 {
 738         struct event_class_attrs_counts {
 739                 int id;
 740                 int name;
 741                 int loglevel;
 742                 int modelemfuri;
 743                 int unknown;
 744         } attrs_count;
 745
 746         int i;
 747         int ret;
 748         int64_t int64_value;
 749         struct event_class_attrs_counts ;
 750         const char *complex_test_event_string = "Complex Test Event";
 751         const char *test_string_1 = "Test ";
 752         const char *test_string_2 = "string ";
 753         const char *test_string_3 = "abcdefghi";
 754         const char *test_string_4 = "abcd\0efg\0hi";
 755         const char *test_string_cat = "Test string abcdeabcd";
 756         struct bt_ctf_field_type *uint_35_type =
 757                 bt_ctf_field_type_integer_create(35);
 758         struct bt_ctf_field_type *int_16_type =
 759                 bt_ctf_field_type_integer_create(16);
 760         struct bt_ctf_field_type *uint_3_type =
 761                 bt_ctf_field_type_integer_create(3);
 762         struct bt_ctf_field_type *enum_variant_type =
 763                 bt_ctf_field_type_enumeration_create(uint_3_type);
 764         struct bt_ctf_field_type *variant_type =
 765                 bt_ctf_field_type_variant_create(enum_variant_type,
 766                         "variant_selector");
 767         struct bt_ctf_field_type *string_type =
 768                 bt_ctf_field_type_string_create();
 769         struct bt_ctf_field_type *sequence_type;
 770         struct bt_ctf_field_type *array_type;
 771         struct bt_ctf_field_type *inner_structure_type =
 772                 bt_ctf_field_type_structure_create();
 773         struct bt_ctf_field_type *complex_structure_type =
 774                 bt_ctf_field_type_structure_create();
 775         struct bt_ctf_field_type *ret_field_type;
 776         struct bt_ctf_event_class *event_class;
 777         struct bt_ctf_event *event;
 778         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 779                 *inner_structure_field, *complex_structure_field,
 780                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 781                 *variant_field, *an_array_field, *stream_event_ctx_field,
 782                 *stream_event_ctx_int_field, *ret_field;
 783         uint64_t ret_unsigned_int;
 784         int64_t ret_signed_int;
 785         const char *ret_string;
 786         struct bt_ctf_stream_class *ret_stream_class;
 787         struct bt_ctf_event_class *ret_event_class;
 788         struct bt_ctf_field *packet_context, *packet_context_field;
 789         struct bt_value *obj;
 790
 791         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 792                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 793         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 794                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 795         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 796                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 797         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 798                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 799         bt_ctf_field_type_set_alignment(int_16_type, 32);
 800         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 801         bt_ctf_field_type_integer_set_base(uint_35_type,
 802                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 803
 804         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 805         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 806                 "seq_len");
 807
 808         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 809                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 810         ret_field_type = bt_ctf_field_type_array_get_element_type(
 811                 array_type);
 812         ok(ret_field_type == int_16_type,
 813                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 814         bt_put(ret_field_type);
 815
 816         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 817                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 818         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 819                 "bt_ctf_field_type_array_get_length returns the correct length");
 820
 821         bt_ctf_field_type_structure_add_field(inner_structure_type,
 822                 uint_35_type, "seq_len");
 823         bt_ctf_field_type_structure_add_field(inner_structure_type,
 824                 sequence_type, "a_sequence");
 825         bt_ctf_field_type_structure_add_field(inner_structure_type,
 826                 array_type, "an_array");
 827
 828         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 829                 "UINT3_TYPE", 0, 0);
 830         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 831                 "INT16_TYPE", 1, 1);
 832         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 833                 "UINT35_TYPE", 2, 7);
 834
 835         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 836                 "INT16_TYPE") < 0,
 837                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 838         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 839                 enum_variant_type, NULL) < 0,
 840                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 841         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 842                 enum_variant_type, "INT16_TYPE") == 1,
 843                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 844
 845         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 846                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 847         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 848                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 849         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 850                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 851
 852         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 853                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 854         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 855                 "UINT3_TYPE") == 0, "Add a field to a variant");
 856         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 857                 "INT16_TYPE");
 858         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 859                 "UINT35_TYPE");
 860
 861         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 862                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 863         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 864         ok(ret_field_type == enum_variant_type,
 865                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 866         bt_put(ret_field_type);
 867
 868         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 869                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 870         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 871         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 872                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 873         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 874                 "INT16_TYPE") == NULL,
 875                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 876         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 877                 NULL) == NULL,
 878                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 879         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 880                 variant_type, "INT16_TYPE");
 881         ok(ret_field_type == int_16_type,
 882                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 883         bt_put(ret_field_type);
 884
 885         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 886                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 887         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 888                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 889
 890         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 891                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 892         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 893                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 894         bt_put(ret_field_type);
 895         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 896                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 897         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 898                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 899         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 900                 "bt_ctf_field_type_variant_get_field returns a field");
 901         ok(!strcmp("INT16_TYPE", ret_string),
 902                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 903         ok(ret_field_type == int_16_type,
 904                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 905         bt_put(ret_field_type);
 906
 907         bt_ctf_field_type_structure_add_field(complex_structure_type,
 908                 enum_variant_type, "variant_selector");
 909         bt_ctf_field_type_structure_add_field(complex_structure_type,
 910                 string_type, "a_string");
 911         bt_ctf_field_type_structure_add_field(complex_structure_type,
 912                 variant_type, "variant_value");
 913         bt_ctf_field_type_structure_add_field(complex_structure_type,
 914                 inner_structure_type, "inner_structure");
 915
 916         ok(bt_ctf_event_class_create("clock") == NULL,
 917                 "Reject creation of an event class with an illegal name");
 918         event_class = bt_ctf_event_class_create(complex_test_event_string);
 919         ok(event_class, "Create an event class");
 920         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 921                 "Reject addition of a field with an empty name to an event");
 922         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 923                 "Reject addition of a field with a NULL type to an event");
 924         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 925                 "int"),
 926                 "Reject addition of a type with an illegal name to an event");
 927         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 928                 "uint_35") == 0,
 929                 "Add field of type unsigned integer to an event");
 930         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 931                 "int_16") == 0, "Add field of type signed integer to an event");
 932         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 933                 "complex_structure") == 0,
 934                 "Add composite structure to an event");
 935
 936         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 937                 "bt_ctf_event_class_get_name handles NULL correctly");
 938         ret_string = bt_ctf_event_class_get_name(event_class);
 939         ok(!strcmp(ret_string, complex_test_event_string),
 940                 "bt_ctf_event_class_get_name returns a correct name");
 941         ok(bt_ctf_event_class_get_id(event_class) < 0,
 942                 "bt_ctf_event_class_get_id returns a negative value when not set");
 943         ok(bt_ctf_event_class_get_id(NULL) < 0,
 944                 "bt_ctf_event_class_get_id handles NULL correctly");
 945         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 946                 "bt_ctf_event_class_set_id handles NULL correctly");
 947         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 948                 "Set an event class' id");
 949         ok(bt_ctf_event_class_get_id(event_class) == 42,
 950                 "bt_ctf_event_class_get_id returns the correct value");
 951
 952         /* Test event class attributes */
 953         obj = bt_value_integer_create_init(15);
 954         assert(obj);
 955         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 956                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 957         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 958                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 959         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 960                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 961         assert(!bt_value_integer_set(obj, -3));
 962         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 963                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 964         assert(!bt_value_integer_set(obj, 11));
 965         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 966         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 967                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 968         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 969         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 970         ok(ret,
 971                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 972         BT_PUT(obj);
 973
 974         obj = bt_value_integer_create_init(5);
 975         assert(obj);
 976         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 977                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 978         BT_PUT(obj);
 979         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 980                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 981         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 982                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 983         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 984                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 985         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 986                 "loglevel");
 987         int64_value = 0;
 988         ret = bt_value_integer_get(obj, &int64_value);
 989         ok(obj && !ret && int64_value == 5,
 990                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 991         BT_PUT(obj);
 992
 993         obj = bt_value_string_create_init("nu name");
 994         assert(obj);
 995         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 996         ret_string = bt_ctf_event_class_get_name(event_class);
 997         ok(!strcmp(ret_string, "nu name"),
 998                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 999         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1000         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1001         ok(ret,
1002                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1003         BT_PUT(obj);
1004         obj = bt_value_string_create_init("http://kernel.org/");
1005         assert(obj);
1006         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1007         BT_PUT(obj);
1008
1009         ok(bt_ctf_event_class_get_attribute_count(NULL),
1010                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1011         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1012                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1013         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1014                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1015         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1016                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1017         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1018                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1019         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1020                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1021
1022         memset(&attrs_count, 0, sizeof(attrs_count));
1023
1024         for (i = 0; i < 4; ++i) {
1025                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1026                         i);
1027                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1028                 assert(ret_string && obj);
1029
1030                 if (!strcmp(ret_string, "id")) {
1031                         attrs_count.id++;
1032                         ok(bt_value_is_integer(obj),
1033                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1034                                 ret_string);
1035                 } else if (!strcmp(ret_string, "name")) {
1036                         attrs_count.name++;
1037                         ok(bt_value_is_string(obj),
1038                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1039                                 ret_string);
1040                 } else if (!strcmp(ret_string, "loglevel")) {
1041                         attrs_count.loglevel++;
1042                         ok(bt_value_is_integer(obj),
1043                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1044                                 ret_string);
1045                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1046                         attrs_count.modelemfuri++;
1047                         ok(bt_value_is_string(obj),
1048                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1049                                 ret_string);
1050                 } else {
1051                         attrs_count.unknown++;
1052                 }
1053
1054                 BT_PUT(obj);
1055         }
1056
1057         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1058         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1059                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1060                 "event class has one instance of each known attribute");
1061
1062         /* Add event class to the stream class */
1063         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1064                 "Reject addition of NULL event class to a stream class");
1065         ok(bt_ctf_stream_class_add_event_class(stream_class,
1066                 event_class) == 0, "Add an event class to stream class");
1067
1068         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1069                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1070         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1071         ok(ret_stream_class == stream_class,
1072                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1073         bt_put(ret_stream_class);
1074
1075         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1076                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1077         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1078                 "bt_ctf_event_class_get_field_count returns a correct value");
1079
1080         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1081                 &ret_field_type, 0) < 0,
1082                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1083         ok(bt_ctf_event_class_get_field(event_class, NULL,
1084                 &ret_field_type, 0) == 0,
1085                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1086         bt_put(ret_field_type);
1087         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1088                 NULL, 0) == 0,
1089                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1090         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1091                 &ret_field_type, 42) < 0,
1092                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1093         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1094                 &ret_field_type, 0) == 0,
1095                 "bt_ctf_event_class_get_field returns a field");
1096         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1097                 "bt_ctf_event_class_get_field returns a correct field type");
1098         bt_put(ret_field_type);
1099         ok(!strcmp(ret_string, "uint_35"),
1100                 "bt_ctf_event_class_get_field returns a correct field name");
1101         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1102                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1103         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1104                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1105         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1106                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1107         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1108                 "complex_structure");
1109         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1110                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1111         bt_put(ret_field_type);
1112
1113         event = bt_ctf_event_create(event_class);
1114         ok(event, "Instanciate a complex event");
1115
1116         ok(bt_ctf_event_get_class(NULL) == NULL,
1117                 "bt_ctf_event_get_class handles NULL correctly");
1118         ret_event_class = bt_ctf_event_get_class(event);
1119         ok(ret_event_class == event_class,
1120                 "bt_ctf_event_get_class returns the correct event class");
1121         bt_put(ret_event_class);
1122
1123         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1124         if (!uint_35_field) {
1125                 printf("uint_35_field is NULL\n");
1126         }
1127
1128         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1129         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1130         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1131                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1132         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1133                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1134         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1135                 &ret_unsigned_int) == 0,
1136                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1137         ok(ret_unsigned_int == 0x0DDF00D,
1138                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1139         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1140                 &ret_signed_int) < 0,
1141                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1142         bt_put(uint_35_field);
1143
1144         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1145         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1146         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1147                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1148         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1149                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1150         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1151                 &ret_signed_int) == 0,
1152                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1153         ok(ret_signed_int == -12345,
1154                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1155         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1156                 &ret_unsigned_int) < 0,
1157                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1158         bt_put(int_16_field);
1159
1160         complex_structure_field = bt_ctf_event_get_payload(event,
1161                 "complex_structure");
1162
1163         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1164                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1165         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1166                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1167         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1168                 complex_structure_field, 3);
1169         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1170         bt_put(inner_structure_field);
1171         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1172                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1173         bt_put(ret_field_type);
1174
1175         inner_structure_field = bt_ctf_field_structure_get_field(
1176                 complex_structure_field, "inner_structure");
1177         a_string_field = bt_ctf_field_structure_get_field(
1178                 complex_structure_field, "a_string");
1179         enum_variant_field = bt_ctf_field_structure_get_field(
1180                 complex_structure_field, "variant_selector");
1181         variant_field = bt_ctf_field_structure_get_field(
1182                 complex_structure_field, "variant_value");
1183         uint_35_field = bt_ctf_field_structure_get_field(
1184                 inner_structure_field, "seq_len");
1185         a_sequence_field = bt_ctf_field_structure_get_field(
1186                 inner_structure_field, "a_sequence");
1187         an_array_field = bt_ctf_field_structure_get_field(
1188                 inner_structure_field, "an_array");
1189
1190         enum_container_field = bt_ctf_field_enumeration_get_container(
1191                 enum_variant_field);
1192         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1193         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1194                 enum_variant_field);
1195         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1196         bt_put(int_16_field);
1197         ok(!bt_ctf_field_string_get_value(a_string_field),
1198                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1199         bt_ctf_field_string_set_value(a_string_field,
1200                 test_string_1);
1201         ok(!bt_ctf_field_string_get_value(NULL),
1202                 "bt_ctf_field_string_get_value correctly handles NULL");
1203         ok(bt_ctf_field_string_append(NULL, "yeah"),
1204                 "bt_ctf_field_string_append correctly handles a NULL string field");
1205         ok(bt_ctf_field_string_append(a_string_field, NULL),
1206                 "bt_ctf_field_string_append correctly handles a NULL string value");
1207         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1208                 "bt_ctf_field_string_append succeeds");
1209         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1210                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1211         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1212                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1213         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1214                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1215         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1216                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1217         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1218                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1219         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1220                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1221
1222         ret_string = bt_ctf_field_string_get_value(a_string_field);
1223         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1224         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1225                 "bt_ctf_field_string_get_value returns a correct value");
1226         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1227                 SEQUENCE_TEST_LENGTH);
1228
1229         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1230                 enum_container_field) == NULL,
1231                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1232         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1233                 NULL) == NULL,
1234                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1235         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1236                 variant_type, enum_variant_field);
1237         ok(ret_field_type == int_16_type,
1238                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1239
1240         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1241                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1242         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1243                 uint_35_field) == 0, "Set a sequence field's length");
1244         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1245         ok(ret_field == uint_35_field,
1246                 "bt_ctf_field_sequence_get_length returns the correct length field");
1247         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1248                 "bt_ctf_field_sequence_get_length properly handles NULL");
1249
1250         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1251                 int_16_field = bt_ctf_field_sequence_get_field(
1252                         a_sequence_field, i);
1253                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1254                 bt_put(int_16_field);
1255         }
1256
1257         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1258                 int_16_field = bt_ctf_field_array_get_field(
1259                         an_array_field, i);
1260                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1261                 bt_put(int_16_field);
1262         }
1263
1264         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1265         assert(stream_event_ctx_field);
1266         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1267                 stream_event_ctx_field, "common_event_context");
1268         BT_PUT(stream_event_ctx_field);
1269         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1270         BT_PUT(stream_event_ctx_int_field);
1271
1272         bt_ctf_clock_set_time(clock, ++current_time);
1273         ok(bt_ctf_stream_append_event(stream, event) == 0,
1274                 "Append a complex event to a stream");
1275
1276         /*
1277          * Populate the custom packet context field with a dummy value
1278          * otherwise flush will fail.
1279          */
1280         packet_context = bt_ctf_stream_get_packet_context(stream);
1281         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1282                 "custom_packet_context_field");
1283         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1284
1285         ok(bt_ctf_stream_flush(stream) == 0,
1286                 "Flush a stream containing a complex event");
1287
1288         bt_put(uint_35_field);
1289         bt_put(a_string_field);
1290         bt_put(inner_structure_field);
1291         bt_put(complex_structure_field);
1292         bt_put(a_sequence_field);
1293         bt_put(an_array_field);
1294         bt_put(enum_variant_field);
1295         bt_put(enum_container_field);
1296         bt_put(variant_field);
1297         bt_put(ret_field);
1298         bt_put(packet_context_field);
1299         bt_put(packet_context);
1300         bt_put(uint_35_type);
1301         bt_put(int_16_type);
1302         bt_put(string_type);
1303         bt_put(sequence_type);
1304         bt_put(array_type);
1305         bt_put(inner_structure_type);
1306         bt_put(complex_structure_type);
1307         bt_put(uint_3_type);
1308         bt_put(enum_variant_type);
1309         bt_put(variant_type);
1310         bt_put(ret_field_type);
1311         bt_put(event_class);
1312         bt_put(event);
1313 }
1314
1315 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1316         struct bt_ctf_field_type *expected_type, const char *name)
1317 {
1318         struct bt_ctf_field_type *copy_type;
1319
1320         copy_type = bt_ctf_field_get_type(field);
1321         ok(copy_type == expected_type,
1322                 "bt_ctf_field_copy does not copy the type (%s)", name);
1323         bt_put(copy_type);
1324 }
1325
1326 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1327         struct bt_ctf_field *field_b, const char *name)
1328 {
1329         ok(field_a != field_b,
1330                 "bt_ctf_field_copy creates different pointers (%s)", name);
1331 }
1332
1333 void field_copy_tests()
1334 {
1335         struct bt_ctf_field_type *len_type = NULL;
1336         struct bt_ctf_field_type *fp_type = NULL;
1337         struct bt_ctf_field_type *s_type = NULL;
1338         struct bt_ctf_field_type *e_int_type = NULL;
1339         struct bt_ctf_field_type *e_type = NULL;
1340         struct bt_ctf_field_type *v_type = NULL;
1341         struct bt_ctf_field_type *v_label1_type = NULL;
1342         struct bt_ctf_field_type *v_label1_array_type = NULL;
1343         struct bt_ctf_field_type *v_label2_type = NULL;
1344         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1345         struct bt_ctf_field_type *strct_type = NULL;
1346         struct bt_ctf_field *len = NULL;
1347         struct bt_ctf_field *fp = NULL;
1348         struct bt_ctf_field *s = NULL;
1349         struct bt_ctf_field *e_int = NULL;
1350         struct bt_ctf_field *e = NULL;
1351         struct bt_ctf_field *v = NULL;
1352         struct bt_ctf_field *v_selected = NULL;
1353         struct bt_ctf_field *v_selected_cur = NULL;
1354         struct bt_ctf_field *v_selected_0 = NULL;
1355         struct bt_ctf_field *v_selected_1 = NULL;
1356         struct bt_ctf_field *v_selected_2 = NULL;
1357         struct bt_ctf_field *v_selected_3 = NULL;
1358         struct bt_ctf_field *v_selected_4 = NULL;
1359         struct bt_ctf_field *v_selected_5 = NULL;
1360         struct bt_ctf_field *v_selected_6 = NULL;
1361         struct bt_ctf_field *a = NULL;
1362         struct bt_ctf_field *a_0 = NULL;
1363         struct bt_ctf_field *a_1 = NULL;
1364         struct bt_ctf_field *a_2 = NULL;
1365         struct bt_ctf_field *a_3 = NULL;
1366         struct bt_ctf_field *a_4 = NULL;
1367         struct bt_ctf_field *strct = NULL;
1368         struct bt_ctf_field *len_copy = NULL;
1369         struct bt_ctf_field *fp_copy = NULL;
1370         struct bt_ctf_field *s_copy = NULL;
1371         struct bt_ctf_field *e_int_copy = NULL;
1372         struct bt_ctf_field *e_copy = NULL;
1373         struct bt_ctf_field *v_copy = NULL;
1374         struct bt_ctf_field *v_selected_copy = NULL;
1375         struct bt_ctf_field *v_selected_copy_len = NULL;
1376         struct bt_ctf_field *v_selected_0_copy = NULL;
1377         struct bt_ctf_field *v_selected_1_copy = NULL;
1378         struct bt_ctf_field *v_selected_2_copy = NULL;
1379         struct bt_ctf_field *v_selected_3_copy = NULL;
1380         struct bt_ctf_field *v_selected_4_copy = NULL;
1381         struct bt_ctf_field *v_selected_5_copy = NULL;
1382         struct bt_ctf_field *v_selected_6_copy = NULL;
1383         struct bt_ctf_field *a_copy = NULL;
1384         struct bt_ctf_field *a_0_copy = NULL;
1385         struct bt_ctf_field *a_1_copy = NULL;
1386         struct bt_ctf_field *a_2_copy = NULL;
1387         struct bt_ctf_field *a_3_copy = NULL;
1388         struct bt_ctf_field *a_4_copy = NULL;
1389         struct bt_ctf_field *strct_copy = NULL;
1390         uint64_t uint64_t_val;
1391         const char *str_val;
1392         double double_val;
1393         int ret;
1394
1395         /* create len type */
1396         len_type = bt_ctf_field_type_integer_create(32);
1397         assert(len_type);
1398
1399         /* create fp type */
1400         fp_type = bt_ctf_field_type_floating_point_create();
1401         assert(fp_type);
1402
1403         /* create s type */
1404         s_type = bt_ctf_field_type_string_create();
1405         assert(s_type);
1406
1407         /* create e_int type */
1408         e_int_type = bt_ctf_field_type_integer_create(8);
1409         assert(e_int_type);
1410
1411         /* create e type */
1412         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1413         assert(e_type);
1414         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1415                 10, 15);
1416         assert(!ret);
1417         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1418                 23, 23);
1419         assert(!ret);
1420
1421         /* create v_label1 type */
1422         v_label1_type = bt_ctf_field_type_string_create();
1423         assert(v_label1_type);
1424
1425         /* create v_label1_array type */
1426         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1427         assert(v_label1_array_type);
1428
1429         /* create v_label2 type */
1430         v_label2_type = bt_ctf_field_type_integer_create(16);
1431         assert(v_label2_type);
1432
1433         /* create v_label2_seq type */
1434         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1435                 "len");
1436         assert(v_label2_seq_type);
1437
1438         /* create v type */
1439         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1440         assert(v_type);
1441         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1442                 "LABEL1");
1443         assert(!ret);
1444         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1445                 "LABEL2");
1446         assert(!ret);
1447
1448         /* create strct type */
1449         strct_type = bt_ctf_field_type_structure_create();
1450         assert(strct_type);
1451         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1452                 "len");
1453         assert(!ret);
1454         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1455         assert(!ret);
1456         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1457         assert(!ret);
1458         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1459         assert(!ret);
1460         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1461         assert(!ret);
1462         ret = bt_ctf_field_type_structure_add_field(strct_type,
1463                 v_label1_array_type, "a");
1464         assert(!ret);
1465
1466         /* create strct */
1467         strct = bt_ctf_field_create(strct_type);
1468         assert(strct);
1469
1470         /* get len field */
1471         len = bt_ctf_field_structure_get_field(strct, "len");
1472         assert(len);
1473
1474         /* get fp field */
1475         fp = bt_ctf_field_structure_get_field(strct, "fp");
1476         assert(fp);
1477
1478         /* get s field */
1479         s = bt_ctf_field_structure_get_field(strct, "s");
1480         assert(s);
1481
1482         /* get e field */
1483         e = bt_ctf_field_structure_get_field(strct, "e");
1484         assert(e);
1485
1486         /* get e_int (underlying integer) */
1487         e_int = bt_ctf_field_enumeration_get_container(e);
1488         assert(e_int);
1489
1490         /* get v field */
1491         v = bt_ctf_field_structure_get_field(strct, "v");
1492         assert(v);
1493
1494         /* get a field */
1495         a = bt_ctf_field_structure_get_field(strct, "a");
1496         assert(a);
1497
1498         /* set len field */
1499         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1500         assert(!ret);
1501
1502         /* set fp field */
1503         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1504         assert(!ret);
1505
1506         /* set s field */
1507         ret = bt_ctf_field_string_set_value(s, "btbt");
1508         assert(!ret);
1509
1510         /* set e field (LABEL2) */
1511         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1512         assert(!ret);
1513
1514         /* set v field */
1515         v_selected = bt_ctf_field_variant_get_field(v, e);
1516         assert(v_selected);
1517         ok(!bt_ctf_field_variant_get_current_field(NULL),
1518                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1519         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1520         ok(v_selected_cur == v_selected,
1521                 "bt_ctf_field_variant_get_current_field returns the current field");
1522         bt_put(v_selected_cur);
1523
1524         /* set selected v field */
1525         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1526         assert(!ret);
1527         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1528         assert(v_selected_0);
1529         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1530         assert(!ret);
1531         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1532         assert(v_selected_1);
1533         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1534         assert(!ret);
1535         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1536         assert(v_selected_2);
1537         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1538         assert(!ret);
1539         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1540         assert(v_selected_3);
1541         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1542         assert(!ret);
1543         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1544         assert(v_selected_4);
1545         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1546         assert(!ret);
1547         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1548         assert(v_selected_5);
1549         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1550         assert(!ret);
1551         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1552         assert(v_selected_6);
1553         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1554         assert(!ret);
1555
1556         /* set a field */
1557         a_0 = bt_ctf_field_array_get_field(a, 0);
1558         assert(a_0);
1559         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1560         assert(!ret);
1561         a_1 = bt_ctf_field_array_get_field(a, 1);
1562         assert(a_1);
1563         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1564         assert(!ret);
1565         a_2 = bt_ctf_field_array_get_field(a, 2);
1566         assert(a_2);
1567         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1568         assert(!ret);
1569         a_3 = bt_ctf_field_array_get_field(a, 3);
1570         assert(a_3);
1571         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1572         assert(!ret);
1573         a_4 = bt_ctf_field_array_get_field(a, 4);
1574         assert(a_4);
1575         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1576         assert(!ret);
1577
1578         /* create copy of strct */
1579         ok(!bt_ctf_field_copy(NULL),
1580                 "bt_ctf_field_copy handles NULL correctly");
1581         strct_copy = bt_ctf_field_copy(strct);
1582         ok(strct_copy,
1583                 "bt_ctf_field_copy returns a valid pointer");
1584
1585         /* get all copied fields */
1586         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1587         assert(len_copy);
1588         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1589         assert(fp_copy);
1590         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1591         assert(s_copy);
1592         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1593         assert(e_copy);
1594         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1595         assert(e_int_copy);
1596         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1597         assert(v_copy);
1598         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1599         assert(v_selected_copy);
1600         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1601         assert(v_selected_0_copy);
1602         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1603         assert(v_selected_1_copy);
1604         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1605         assert(v_selected_2_copy);
1606         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1607         assert(v_selected_3_copy);
1608         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1609         assert(v_selected_4_copy);
1610         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1611         assert(v_selected_5_copy);
1612         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1613         assert(v_selected_6_copy);
1614         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1615                 "sequence field copy is not too large");
1616         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1617         assert(a_copy);
1618         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1619         assert(a_0_copy);
1620         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1621         assert(a_1_copy);
1622         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1623         assert(a_2_copy);
1624         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1625         assert(a_3_copy);
1626         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1627         assert(a_4_copy);
1628         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1629                 "array field copy is not too large");
1630
1631         /* make sure copied fields are different pointers */
1632         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1633         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1634         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1635         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1636         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1637         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1638         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1639         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1640                 "v_selected");
1641         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1642                 "v_selected_0");
1643         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1644                 "v_selected_1");
1645         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1646                 "v_selected_2");
1647         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1648                 "v_selected_3");
1649         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1650                 "v_selected_4");
1651         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1652                 "v_selected_5");
1653         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1654                 "v_selected_6");
1655         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1656         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1657         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1658         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1659         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1660         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1661
1662         /* make sure copied fields share the same types */
1663         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1664         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1665         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1666         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1667         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1668         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1669         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1670                 "v_selected");
1671         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1672                 "v_selected_0");
1673         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1674                 "v_selected_1");
1675         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1676                 "v_selected_2");
1677         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1678                 "v_selected_3");
1679         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1680                 "v_selected_4");
1681         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1682                 "v_selected_5");
1683         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1684                 "v_selected_6");
1685         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1686         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1687         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1688         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1689         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1690         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1691
1692         /* validate len copy */
1693         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1694         assert(!ret);
1695         ok(uint64_t_val == 7,
1696                 "bt_ctf_field_copy creates a valid integer field copy");
1697
1698         /* validate fp copy */
1699         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1700         assert(!ret);
1701         ok(double_val == 3.14,
1702                 "bt_ctf_field_copy creates a valid floating point number field copy");
1703
1704         /* validate s copy */
1705         str_val = bt_ctf_field_string_get_value(s_copy);
1706         ok(str_val && !strcmp(str_val, "btbt"),
1707                 "bt_ctf_field_copy creates a valid string field copy");
1708
1709         /* validate e_int copy */
1710         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1711                 &uint64_t_val);
1712         assert(!ret);
1713         ok(uint64_t_val == 23,
1714                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1715
1716         /* validate e copy */
1717         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1718         ok(str_val && !strcmp(str_val, "LABEL2"),
1719                 "bt_ctf_field_copy creates a valid enum field copy");
1720
1721         /* validate v_selected copy */
1722         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1723         assert(v_selected_copy_len);
1724         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1725                 &uint64_t_val);
1726         assert(!ret);
1727         ok(uint64_t_val == 7,
1728                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1729         bt_put(v_selected_copy_len);
1730         v_selected_copy_len = NULL;
1731
1732         /* validate v_selected copy fields */
1733         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1734                 &uint64_t_val);
1735         assert(!ret);
1736         ok(uint64_t_val == 7,
1737                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1738         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1739                 &uint64_t_val);
1740         assert(!ret);
1741         ok(uint64_t_val == 6,
1742                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1743         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1744                 &uint64_t_val);
1745         assert(!ret);
1746         ok(uint64_t_val == 5,
1747                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1748         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1749                 &uint64_t_val);
1750         assert(!ret);
1751         ok(uint64_t_val == 4,
1752                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1753         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1754                 &uint64_t_val);
1755         assert(!ret);
1756         ok(uint64_t_val == 3,
1757                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1758         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1759                 &uint64_t_val);
1760         assert(!ret);
1761         ok(uint64_t_val == 2,
1762                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1763         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1764                 &uint64_t_val);
1765         assert(!ret);
1766         ok(uint64_t_val == 1,
1767                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1768
1769         /* validate a copy fields */
1770         str_val = bt_ctf_field_string_get_value(a_0_copy);
1771         ok(str_val && !strcmp(str_val, "a_0"),
1772                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1773         str_val = bt_ctf_field_string_get_value(a_1_copy);
1774         ok(str_val && !strcmp(str_val, "a_1"),
1775                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1776         str_val = bt_ctf_field_string_get_value(a_2_copy);
1777         ok(str_val && !strcmp(str_val, "a_2"),
1778                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1779         str_val = bt_ctf_field_string_get_value(a_3_copy);
1780         ok(str_val && !strcmp(str_val, "a_3"),
1781                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1782         str_val = bt_ctf_field_string_get_value(a_4_copy);
1783         ok(str_val && !strcmp(str_val, "a_4"),
1784                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1785
1786         /* put everything */
1787         bt_put(len_type);
1788         bt_put(fp_type);
1789         bt_put(s_type);
1790         bt_put(e_int_type);
1791         bt_put(e_type);
1792         bt_put(v_type);
1793         bt_put(v_label1_type);
1794         bt_put(v_label1_array_type);
1795         bt_put(v_label2_type);
1796         bt_put(v_label2_seq_type);
1797         bt_put(strct_type);
1798         bt_put(len);
1799         bt_put(fp);
1800         bt_put(s);
1801         bt_put(e_int);
1802         bt_put(e);
1803         bt_put(v);
1804         bt_put(v_selected);
1805         bt_put(v_selected_0);
1806         bt_put(v_selected_1);
1807         bt_put(v_selected_2);
1808         bt_put(v_selected_3);
1809         bt_put(v_selected_4);
1810         bt_put(v_selected_5);
1811         bt_put(v_selected_6);
1812         bt_put(a);
1813         bt_put(a_0);
1814         bt_put(a_1);
1815         bt_put(a_2);
1816         bt_put(a_3);
1817         bt_put(a_4);
1818         bt_put(strct);
1819         bt_put(len_copy);
1820         bt_put(fp_copy);
1821         bt_put(s_copy);
1822         bt_put(e_int_copy);
1823         bt_put(e_copy);
1824         bt_put(v_copy);
1825         bt_put(v_selected_copy);
1826         bt_put(v_selected_0_copy);
1827         bt_put(v_selected_1_copy);
1828         bt_put(v_selected_2_copy);
1829         bt_put(v_selected_3_copy);
1830         bt_put(v_selected_4_copy);
1831         bt_put(v_selected_5_copy);
1832         bt_put(v_selected_6_copy);
1833         bt_put(a_copy);
1834         bt_put(a_0_copy);
1835         bt_put(a_1_copy);
1836         bt_put(a_2_copy);
1837         bt_put(a_3_copy);
1838         bt_put(a_4_copy);
1839         bt_put(strct_copy);
1840 }
1841
1842 void type_field_tests()
1843 {
1844         struct bt_ctf_field *uint_12;
1845         struct bt_ctf_field *int_16;
1846         struct bt_ctf_field *string;
1847         struct bt_ctf_field *enumeration;
1848         struct bt_ctf_field_type *composite_structure_type;
1849         struct bt_ctf_field_type *structure_seq_type;
1850         struct bt_ctf_field_type *string_type;
1851         struct bt_ctf_field_type *sequence_type;
1852         struct bt_ctf_field_type *uint_8_type;
1853         struct bt_ctf_field_type *int_16_type;
1854         struct bt_ctf_field_type *uint_12_type =
1855                 bt_ctf_field_type_integer_create(12);
1856         struct bt_ctf_field_type *enumeration_type;
1857         struct bt_ctf_field_type *returned_type;
1858         const char *ret_string;
1859
1860         returned_type = bt_ctf_field_get_type(NULL);
1861         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1862
1863         ok(uint_12_type, "Create an unsigned integer type");
1864         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1865                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1866                 "Set integer type's base as binary");
1867         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1868                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1869                 "Set integer type's base as decimal");
1870         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1871                 BT_CTF_INTEGER_BASE_UNKNOWN),
1872                 "Reject integer type's base set as unknown");
1873         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1874                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1875                 "Set integer type's base as octal");
1876         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1877                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1878                 "Set integer type's base as hexadecimal");
1879         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1880                 "Reject unknown integer base value");
1881         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1882                 "Set integer type signedness to signed");
1883         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1884                 "Set integer type signedness to unsigned");
1885         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1886                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1887         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1888                 "bt_ctf_field_type_integer_get_size returns a correct value");
1889         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1890                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1891         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1892                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1893
1894         ok(bt_ctf_field_type_set_byte_order(NULL,
1895                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1896                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1897         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1898                 (enum bt_ctf_byte_order) 42) < 0,
1899                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1900         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1901                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1902                 "Set an integer's byte order to little endian");
1903         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1904                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1905                 "Set an integer's byte order to big endian");
1906         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1907                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1908                 "bt_ctf_field_type_get_byte_order returns a correct value");
1909         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1910                 BT_CTF_BYTE_ORDER_UNKNOWN,
1911                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1912
1913         ok(bt_ctf_field_type_get_type_id(NULL) ==
1914                 BT_CTF_TYPE_ID_UNKNOWN,
1915                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1916         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1917                 BT_CTF_TYPE_ID_INTEGER,
1918                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1919
1920         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1921                 BT_CTF_INTEGER_BASE_UNKNOWN,
1922                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1923         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1924                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1925                 "bt_ctf_field_type_integer_get_base returns a correct value");
1926
1927         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1928                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1929                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1930         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1931                 (enum bt_ctf_string_encoding) 123) < 0,
1932                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1933         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1934                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1935                 "Set integer type encoding to UTF8");
1936         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1937                 BT_CTF_STRING_ENCODING_UNKNOWN,
1938                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1939         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1940                 BT_CTF_STRING_ENCODING_UTF8,
1941                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1942
1943         int_16_type = bt_ctf_field_type_integer_create(16);
1944         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1945         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1946                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1947         uint_8_type = bt_ctf_field_type_integer_create(8);
1948         sequence_type =
1949                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1950         ok(sequence_type, "Create a sequence of int16_t type");
1951         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1952                 BT_CTF_TYPE_ID_SEQUENCE,
1953                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1954
1955         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1956                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1957         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1958                 sequence_type);
1959         ok(!strcmp(ret_string, "seq_len"),
1960                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1961         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1962                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1963         returned_type = bt_ctf_field_type_sequence_get_element_type(
1964                 sequence_type);
1965         ok(returned_type == int_16_type,
1966                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1967         bt_put(returned_type);
1968
1969         string_type = bt_ctf_field_type_string_create();
1970         ok(string_type, "Create a string type");
1971         ok(bt_ctf_field_type_string_set_encoding(string_type,
1972                 BT_CTF_STRING_ENCODING_NONE),
1973                 "Reject invalid \"None\" string encoding");
1974         ok(bt_ctf_field_type_string_set_encoding(string_type,
1975                 42),
1976                 "Reject invalid string encoding");
1977         ok(bt_ctf_field_type_string_set_encoding(string_type,
1978                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1979                 "Set string encoding to ASCII");
1980
1981         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1982                 BT_CTF_STRING_ENCODING_UNKNOWN,
1983                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1984         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1985                 BT_CTF_STRING_ENCODING_ASCII,
1986                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1987
1988         structure_seq_type = bt_ctf_field_type_structure_create();
1989         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1990                 BT_CTF_TYPE_ID_STRUCT,
1991                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1992         ok(structure_seq_type, "Create a structure type");
1993         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1994                 uint_8_type, "seq_len") == 0,
1995                 "Add a uint8_t type to a structure");
1996         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1997                 sequence_type, "a_sequence") == 0,
1998                 "Add a sequence type to a structure");
1999
2000         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2001                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2002         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2003                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2004
2005         ok(bt_ctf_field_type_structure_get_field(NULL,
2006                 &ret_string, &returned_type, 1) < 0,
2007                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2008         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2009                 NULL, &returned_type, 1) == 0,
2010                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2011         bt_put(returned_type);
2012         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2013                 &ret_string, NULL, 1) == 0,
2014                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2015         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2016                 &ret_string, &returned_type, 10) < 0,
2017                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2018         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2019                 &ret_string, &returned_type, 1) == 0,
2020                 "bt_ctf_field_type_structure_get_field returns a field");
2021         ok(!strcmp(ret_string, "a_sequence"),
2022                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2023         ok(returned_type == sequence_type,
2024                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2025         bt_put(returned_type);
2026
2027         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2028                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2029         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2030                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2031         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2032                 structure_seq_type, "a_sequence");
2033         ok(returned_type == sequence_type,
2034                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2035         bt_put(returned_type);
2036
2037         composite_structure_type = bt_ctf_field_type_structure_create();
2038         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2039                 string_type, "a_string") == 0,
2040                 "Add a string type to a structure");
2041         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2042                 structure_seq_type, "inner_structure") == 0,
2043                 "Add a structure type to a structure");
2044
2045         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2046                 NULL, "a_sequence") == NULL,
2047                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2048         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2049                 structure_seq_type, NULL) == NULL,
2050                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2051         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2052                 structure_seq_type, "a_sequence");
2053         ok(returned_type == sequence_type,
2054                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2055         bt_put(returned_type);
2056
2057         int_16 = bt_ctf_field_create(int_16_type);
2058         ok(int_16, "Instanciate a signed 16-bit integer");
2059         uint_12 = bt_ctf_field_create(uint_12_type);
2060         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2061         returned_type = bt_ctf_field_get_type(int_16);
2062         ok(returned_type == int_16_type,
2063                 "bt_ctf_field_get_type returns the correct type");
2064
2065         /* Can't modify types after instanciating them */
2066         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2067                 BT_CTF_INTEGER_BASE_DECIMAL),
2068                 "Check an integer type' base can't be modified after instanciation");
2069         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2070                 "Check an integer type's signedness can't be modified after instanciation");
2071
2072         /* Check signed property is checked */
2073         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2074                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2075         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2076                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2077
2078         /* Check overflows are properly tested for */
2079         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2080                 "Check -32768 is allowed for a signed 16-bit integer");
2081         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2082                 "Check 32767 is allowed for a signed 16-bit integer");
2083         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2084                 "Check 32768 is not allowed for a signed 16-bit integer");
2085         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2086                 "Check -32769 is not allowed for a signed 16-bit integer");
2087         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2088                 "Check -42 is allowed for a signed 16-bit integer");
2089
2090         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2091                 "Check 4095 is allowed for an unsigned 12-bit integer");
2092         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2093                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2094         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2095                 "Check 0 is allowed for an unsigned 12-bit integer");
2096
2097         string = bt_ctf_field_create(string_type);
2098         ok(string, "Instanciate a string field");
2099         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2100                 "Set a string's value");
2101
2102         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2103         ok(enumeration_type,
2104                 "Create an enumeration type with an unsigned 12-bit integer as container");
2105         enumeration = bt_ctf_field_create(enumeration_type);
2106         ok(!enumeration,
2107                 "Check enumeration types are validated before instantiation");
2108
2109         bt_put(string);
2110         bt_put(uint_12);
2111         bt_put(int_16);
2112         bt_put(enumeration);
2113         bt_put(composite_structure_type);
2114         bt_put(structure_seq_type);
2115         bt_put(string_type);
2116         bt_put(sequence_type);
2117         bt_put(uint_8_type);
2118         bt_put(int_16_type);
2119         bt_put(uint_12_type);
2120         bt_put(enumeration_type);
2121         bt_put(returned_type);
2122 }
2123
2124 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2125                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2126 {
2127         /*
2128          * Append enough events to force the underlying packet to be resized.
2129          * Also tests that a new event can be declared after a stream has been
2130          * instantiated and used/flushed.
2131          */
2132         int ret = 0;
2133         int i;
2134         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2135                 "Spammy_Event");
2136         struct bt_ctf_field_type *integer_type =
2137                 bt_ctf_field_type_integer_create(17);
2138         struct bt_ctf_field_type *string_type =
2139                 bt_ctf_field_type_string_create();
2140         struct bt_ctf_event *event = NULL;
2141         struct bt_ctf_field *ret_field = NULL;
2142         struct bt_ctf_field_type *ret_field_type = NULL;
2143         uint64_t ret_uint64;
2144         int events_appended = 0;
2145         struct bt_ctf_field *packet_context = NULL,
2146                 *packet_context_field = NULL, *stream_event_context = NULL;
2147         struct bt_ctf_field_type *ep_field_1_type = NULL;
2148         struct bt_ctf_field_type *ep_a_string_type = NULL;
2149         struct bt_ctf_field_type *ep_type = NULL;
2150
2151         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2152                 "field_1");
2153         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2154                 "a_string");
2155         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2156         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2157         if (ret) {
2158                 goto end;
2159         }
2160
2161         /*
2162          * bt_ctf_stream_class_add_event_class() copies the field types
2163          * of event_class, so we retrieve the new ones to create the
2164          * appropriate fields.
2165          */
2166         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2167         assert(ep_type);
2168         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2169                 ep_type, "field_1");
2170         assert(ep_field_1_type);
2171         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2172                 ep_type, "a_string");
2173         assert(ep_a_string_type);
2174
2175         event = bt_ctf_event_create(event_class);
2176         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2177         ret_field_type = bt_ctf_field_get_type(ret_field);
2178         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2179                 "bt_ctf_event_get_payload_by_index returns a correct field");
2180         bt_put(ret_field_type);
2181         bt_put(ret_field);
2182
2183         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2184                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2185         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2186                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2187         bt_put(event);
2188
2189         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2190                 event = bt_ctf_event_create(event_class);
2191                 struct bt_ctf_field *integer =
2192                         bt_ctf_field_create(ep_field_1_type);
2193                 struct bt_ctf_field *string =
2194                         bt_ctf_field_create(ep_a_string_type);
2195
2196                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2197                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2198                 ret |= bt_ctf_event_set_payload(event, "field_1",
2199                         integer);
2200                 bt_put(integer);
2201                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2202                 ret |= bt_ctf_event_set_payload(event, "a_string",
2203                         string);
2204                 bt_put(string);
2205
2206                 /* Populate stream event context */
2207                 stream_event_context =
2208                         bt_ctf_event_get_stream_event_context(event);
2209                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2210                         "common_event_context");
2211                 BT_PUT(stream_event_context);
2212                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2213                         i % 42);
2214                 bt_put(integer);
2215
2216                 ret |= bt_ctf_stream_append_event(stream, event);
2217                 bt_put(event);
2218
2219                 if (ret) {
2220                         break;
2221                 }
2222         }
2223
2224         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2225         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2226                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2227         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2228                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2229         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2230         ok(ret == 0 && ret_uint64 == 0,
2231                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2232         bt_ctf_stream_append_discarded_events(stream, 1000);
2233         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2234         ok(ret == 0 && ret_uint64 == 1000,
2235                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2236
2237 end:
2238         ok(events_appended, "Append 100 000 events to a stream");
2239
2240         /*
2241          * Populate the custom packet context field with a dummy value
2242          * otherwise flush will fail.
2243          */
2244         packet_context = bt_ctf_stream_get_packet_context(stream);
2245         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2246                 "custom_packet_context_field");
2247         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2248
2249         ok(bt_ctf_stream_flush(stream) == 0,
2250                 "Flush a stream that forces a packet resize");
2251         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2252         ok(ret == 0 && ret_uint64 == 1000,
2253                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2254         bt_put(integer_type);
2255         bt_put(string_type);
2256         bt_put(packet_context);
2257         bt_put(packet_context_field);
2258         bt_put(stream_event_context);
2259         bt_put(event_class);
2260         bt_put(ep_field_1_type);
2261         bt_put(ep_a_string_type);
2262         bt_put(ep_type);
2263 }
2264
2265 void test_empty_stream(struct bt_ctf_writer *writer)
2266 {
2267         int ret = 0;
2268         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2269         struct bt_ctf_stream_class *stream_class = NULL;
2270         struct bt_ctf_stream *stream = NULL;
2271
2272         trace = bt_ctf_writer_get_trace(writer);
2273         if (!trace) {
2274                 diag("Failed to get trace from writer");
2275                 ret = -1;
2276                 goto end;
2277         }
2278
2279         stream_class = bt_ctf_stream_class_create("empty_stream");
2280         if (!stream_class) {
2281                 diag("Failed to create stream class");
2282                 ret = -1;
2283                 goto end;
2284         }
2285
2286         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2287                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2288         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2289                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2290
2291         stream = bt_ctf_writer_create_stream(writer, stream_class);
2292         if (!stream) {
2293                 diag("Failed to create writer stream");
2294                 ret = -1;
2295                 goto end;
2296         }
2297
2298         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2299         ok(ret_trace == trace,
2300                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2301 end:
2302         ok(ret == 0,
2303                 "Created a stream class with default attributes and an empty stream");
2304         bt_put(trace);
2305         bt_put(ret_trace);
2306         bt_put(stream);
2307         bt_put(stream_class);
2308 }
2309
2310 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2311 {
2312         int i, ret;
2313         struct bt_ctf_trace *trace = NULL;
2314         struct bt_ctf_clock *clock = NULL;
2315         struct bt_ctf_stream_class *stream_class = NULL;
2316         struct bt_ctf_stream *stream = NULL;
2317         struct bt_ctf_field_type *integer_type = NULL,
2318                 *sequence_type = NULL, *event_header_type = NULL;
2319         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2320                 *event_header = NULL, *packet_header = NULL;
2321         struct bt_ctf_event_class *event_class = NULL;
2322         struct bt_ctf_event *event = NULL;
2323
2324         trace = bt_ctf_writer_get_trace(writer);
2325         if (!trace) {
2326                 fail("Failed to get trace from writer");
2327                 goto end;
2328         }
2329
2330         clock = bt_ctf_trace_get_clock(trace, 0);
2331         if (!clock) {
2332                 fail("Failed to get clock from trace");
2333                 goto end;
2334         }
2335
2336         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2337         if (!stream_class) {
2338                 fail("Failed to create stream class");
2339                 goto end;
2340         }
2341
2342         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2343         if (ret) {
2344                 fail("Failed to set stream class clock");
2345                 goto end;
2346         }
2347
2348         /*
2349          * Customize event header to add an "seq_len" integer member
2350          * which will be used as the length of a sequence in an event of this
2351          * stream.
2352          */
2353         event_header_type = bt_ctf_stream_class_get_event_header_type(
2354                 stream_class);
2355         if (!event_header_type) {
2356                 fail("Failed to get event header type");
2357                 goto end;
2358         }
2359
2360         integer_type = bt_ctf_field_type_integer_create(13);
2361         if (!integer_type) {
2362                 fail("Failed to create length integer type");
2363                 goto end;
2364         }
2365
2366         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2367                 integer_type, "seq_len");
2368         if (ret) {
2369                 fail("Failed to add a new field to stream event header");
2370                 goto end;
2371         }
2372
2373         event_class = bt_ctf_event_class_create("sequence_event");
2374         if (!event_class) {
2375                 fail("Failed to create event class");
2376                 goto end;
2377         }
2378
2379         /*
2380          * This event's payload will contain a sequence which references
2381          * stream.event.header.seq_len as its length field.
2382          */
2383         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2384                 "stream.event.header.seq_len");
2385         if (!sequence_type) {
2386                 fail("Failed to create a sequence");
2387                 goto end;
2388         }
2389
2390         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2391                 "some_sequence");
2392         if (ret) {
2393                 fail("Failed to add a sequence to an event class");
2394                 goto end;
2395         }
2396
2397         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2398         if (ret) {
2399                 fail("Failed to add event class to stream class");
2400                 goto end;
2401         }
2402
2403         stream = bt_ctf_writer_create_stream(writer, stream_class);
2404         if (!stream) {
2405                 fail("Failed to create stream")
2406                 goto end;
2407         }
2408
2409         /*
2410          * We have defined a custom packet header field. We have to populate it
2411          * explicitly.
2412          */
2413         packet_header = bt_ctf_stream_get_packet_header(stream);
2414         if (!packet_header) {
2415                 fail("Failed to get stream packet header");
2416                 goto end;
2417         }
2418
2419         integer = bt_ctf_field_structure_get_field(packet_header,
2420                 "custom_trace_packet_header_field");
2421         if (!integer) {
2422                 fail("Failed to retrieve custom_trace_packet_header_field");
2423                 goto end;
2424         }
2425
2426         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2427         if (ret) {
2428                 fail("Failed to set custom_trace_packet_header_field value");
2429                 goto end;
2430         }
2431         bt_put(integer);
2432
2433         event = bt_ctf_event_create(event_class);
2434         if (!event) {
2435                 fail("Failed to create event");
2436                 goto end;
2437         }
2438
2439         event_header = bt_ctf_event_get_header(event);
2440         if (!event_header) {
2441                 fail("Failed to get event header");
2442                 goto end;
2443         }
2444
2445         integer = bt_ctf_field_structure_get_field(event_header,
2446                 "seq_len");
2447         if (!integer) {
2448                 fail("Failed to get seq_len field from event header");
2449                 goto end;
2450         }
2451
2452         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2453         if (ret) {
2454                 fail("Failed to set seq_len value in event header");
2455                 goto end;
2456         }
2457
2458         /* Populate both sequence integer fields */
2459         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2460         if (!sequence) {
2461                 fail("Failed to retrieve sequence from event");
2462                 goto end;
2463         }
2464
2465         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2466         if (ret) {
2467                 fail("Failed to set sequence length");
2468                 goto end;
2469         }
2470         bt_put(integer);
2471
2472         for (i = 0; i < 2; i++) {
2473                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2474                 if (ret) {
2475                         fail("Failed to retrieve sequence element");
2476                         goto end;
2477                 }
2478
2479                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2480                 if (ret) {
2481                         fail("Failed to set sequence element value");
2482                         goto end;
2483                 }
2484
2485                 bt_put(integer);
2486                 integer = NULL;
2487         }
2488
2489         ret = bt_ctf_stream_append_event(stream, event);
2490         if (ret) {
2491                 fail("Failed to append event to stream");
2492                 goto end;
2493         }
2494
2495         ret = bt_ctf_stream_flush(stream);
2496         if (ret) {
2497                 fail("Failed to flush custom_event_header stream");
2498         }
2499 end:
2500         bt_put(clock);
2501         bt_put(trace);
2502         bt_put(stream);
2503         bt_put(stream_class);
2504         bt_put(event_class);
2505         bt_put(event);
2506         bt_put(integer);
2507         bt_put(sequence);
2508         bt_put(event_header);
2509         bt_put(packet_header);
2510         bt_put(sequence_type);
2511         bt_put(integer_type);
2512         bt_put(event_header_type);
2513 }
2514
2515 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2516 {
2517         int ret = 0;
2518         struct bt_ctf_trace *trace = NULL;
2519         struct bt_ctf_clock *clock = NULL;
2520         struct bt_ctf_stream_class *stream_class = NULL;
2521         struct bt_ctf_stream *stream = NULL,
2522                 *ret_stream = NULL;
2523         struct bt_ctf_event_class *event_class = NULL;
2524         struct bt_ctf_event *event = NULL;
2525         struct bt_ctf_field_type *integer_type = NULL;
2526         struct bt_ctf_field *integer = NULL;
2527
2528         trace = bt_ctf_writer_get_trace(writer);
2529         if (!trace) {
2530                 diag("Failed to get trace from writer");
2531                 ret = -1;
2532                 goto end;
2533         }
2534
2535         clock = bt_ctf_trace_get_clock(trace, 0);
2536         if (!clock) {
2537                 diag("Failed to get clock from trace");
2538                 ret = -1;
2539                 goto end;
2540         }
2541
2542         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2543         if (!stream_class) {
2544                 diag("Failed to create stream class");
2545                 ret = -1;
2546                 goto end;
2547         }
2548
2549         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2550         if (ret) {
2551                 diag("Failed to set stream class clock");
2552                 goto end;
2553         }
2554
2555         event_class = bt_ctf_event_class_create("some_event_class_name");
2556         integer_type = bt_ctf_field_type_integer_create(32);
2557         if (!integer_type) {
2558                 diag("Failed to create integer field type");
2559                 ret = -1;
2560                 goto end;
2561         }
2562
2563         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2564                 "integer_field");
2565         if (ret) {
2566                 diag("Failed to add field to event class");
2567                 goto end;
2568         }
2569
2570         ret = bt_ctf_stream_class_add_event_class(stream_class,
2571                 event_class);
2572         if (ret) {
2573                 diag("Failed to add event class to stream class");
2574         }
2575
2576         event = bt_ctf_event_create(event_class);
2577         if (!event) {
2578                 diag("Failed to create event");
2579                 ret = -1;
2580                 goto end;
2581         }
2582
2583         integer = bt_ctf_event_get_payload_by_index(event, 0);
2584         if (!integer) {
2585                 diag("Failed to get integer field payload from event");
2586                 ret = -1;
2587                 goto end;
2588         }
2589
2590         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2591         if (ret) {
2592                 diag("Failed to set integer field value");
2593                 goto end;
2594         }
2595
2596         stream = bt_ctf_writer_create_stream(writer, stream_class);
2597         if (!stream) {
2598                 diag("Failed to create writer stream");
2599                 ret = -1;
2600                 goto end;
2601         }
2602
2603         ok(bt_ctf_event_get_stream(NULL) == NULL,
2604                 "bt_ctf_event_get_stream handles NULL correctly");
2605         ok(bt_ctf_event_get_stream(event) == NULL,
2606                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2607
2608         ret = bt_ctf_stream_append_event(stream, event);
2609         if (ret) {
2610                 diag("Failed to append event to stream");
2611                 goto end;
2612         }
2613
2614         ret_stream = bt_ctf_event_get_stream(event);
2615         ok(ret_stream == stream,
2616                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2617 end:
2618         ok(ret == 0,
2619                 "Create an event before instanciating its associated stream");
2620         bt_put(trace);
2621         bt_put(stream);
2622         bt_put(ret_stream);
2623         bt_put(stream_class);
2624         bt_put(event_class);
2625         bt_put(event);
2626         bt_put(integer_type);
2627         bt_put(integer);
2628         bt_put(clock);
2629 }
2630
2631 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2632 {
2633         struct bt_ctf_event_class *event_class;
2634
2635         event_class = bt_ctf_event_class_create("Simple Event");
2636         assert(event_class);
2637         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2638                 "two event classes with the same name cannot cohabit within the same stream class");
2639         bt_put(event_class);
2640
2641         event_class = bt_ctf_event_class_create("different name, ok");
2642         assert(event_class);
2643         assert(!bt_ctf_event_class_set_id(event_class, 11));
2644         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2645                 "two event classes with the same ID cannot cohabit within the same stream class");
2646         bt_put(event_class);
2647 }
2648
2649 void test_trace_stream_class_clock(void)
2650 {
2651         struct bt_ctf_trace *trace = NULL;
2652         struct bt_ctf_stream_class *sc1 = NULL;
2653         struct bt_ctf_stream_class *sc2 = NULL;
2654         struct bt_ctf_clock *sc1_clock = NULL;
2655         struct bt_ctf_clock *sc2_clock = NULL;
2656         const char *clock_name = "hello";
2657
2658         trace = bt_ctf_trace_create();
2659         assert(trace);
2660         sc1 = bt_ctf_stream_class_create(NULL);
2661         assert(sc1);
2662         sc2 = bt_ctf_stream_class_create(NULL);
2663         assert(sc2);
2664         sc1_clock = bt_ctf_clock_create(clock_name);
2665         assert(sc1_clock);
2666         sc2_clock = bt_ctf_clock_create(clock_name);
2667         assert(sc2_clock);
2668
2669         ok(!bt_ctf_stream_class_set_clock(sc1, sc1_clock),
2670                 "bt_ctf_stream_class_set_clock() succeeds for sc1");
2671         ok(!bt_ctf_stream_class_set_clock(sc2, sc2_clock),
2672                 "bt_ctf_stream_class_set_clock() succeeds for sc2");
2673         ok(!bt_ctf_trace_add_stream_class(trace, sc1),
2674                 "bt_ctf_trace_add_stream_class() succeeds with sc1");
2675         ok(bt_ctf_trace_add_stream_class(trace, sc2),
2676                 "bt_ctf_trace_add_stream_class() fails with sc2 (different clock, same name)");
2677
2678         BT_PUT(trace);
2679         BT_PUT(sc1);
2680         BT_PUT(sc2);
2681         BT_PUT(sc1_clock);
2682         BT_PUT(sc2_clock);
2683 }
2684
2685 static
2686 struct bt_ctf_event_class *create_minimal_event_class(void)
2687 {
2688         struct bt_ctf_event_class *ec = NULL;
2689         struct bt_ctf_field_type *int_ft = NULL;
2690         int ret;
2691
2692         int_ft = bt_ctf_field_type_integer_create(23);
2693         assert(int_ft);
2694         ec = bt_ctf_event_class_create("minimal");
2695         assert(ec);
2696         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2697         assert(!ret);
2698         BT_PUT(int_ft);
2699
2700         return ec;
2701 }
2702
2703 static
2704 void test_create_writer_vs_non_writer_mode(void)
2705 {
2706         int ret;
2707         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2708         const char *writer_stream_name = "writer stream instance";
2709         struct bt_ctf_writer *writer = NULL;
2710         struct bt_ctf_trace *writer_trace = NULL;
2711         struct bt_ctf_stream_class *writer_sc = NULL;
2712         struct bt_ctf_stream *writer_stream = NULL;
2713         struct bt_ctf_stream *writer_stream2 = NULL;
2714         struct bt_ctf_stream *packet_stream = NULL;
2715         struct bt_ctf_trace *non_writer_trace = NULL;
2716         struct bt_ctf_stream_class *non_writer_sc = NULL;
2717         struct bt_ctf_stream *non_writer_stream = NULL;
2718         struct bt_ctf_stream *non_writer_stream2 = NULL;
2719         struct bt_ctf_event_class *writer_ec = NULL;
2720         struct bt_ctf_event_class *non_writer_ec = NULL;
2721         struct bt_ctf_event *event = NULL;
2722         struct bt_ctf_event *event2 = NULL;
2723         struct bt_ctf_field_type *empty_struct_ft = NULL;
2724         struct bt_ctf_field *int_field = NULL;
2725         struct bt_ctf_clock *writer_clock = NULL;
2726         struct bt_ctf_clock *non_writer_clock = NULL;
2727         struct bt_ctf_packet *packet = NULL;
2728         struct bt_ctf_packet *packet2 = NULL;
2729
2730         if (!bt_mkdtemp(trace_path)) {
2731                 perror("# perror");
2732         }
2733
2734         /* Create empty structure field type (event header) */
2735         empty_struct_ft = bt_ctf_field_type_structure_create();
2736         assert(empty_struct_ft);
2737
2738         /* Create writer, writer stream class, stream, and clock */
2739         writer = bt_ctf_writer_create(trace_path);
2740         assert(writer);
2741         writer_trace = bt_ctf_writer_get_trace(writer);
2742         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2743         writer_sc = bt_ctf_stream_class_create("writer_sc");
2744         assert(writer_sc);
2745         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2746                 empty_struct_ft);
2747         assert(!ret);
2748         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2749         assert(!ret);
2750         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2751         assert(writer_stream);
2752         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2753                 "bt_ctf_stream_get_name() returns the stream's name");
2754         writer_clock = bt_ctf_clock_create("writer_clock");
2755         assert(writer_clock);
2756         ret = bt_ctf_trace_add_clock(writer_trace, writer_clock);
2757         assert(!ret);
2758
2759         /* Create non-writer trace, stream class, stream, and clock */
2760         non_writer_trace = bt_ctf_trace_create();
2761         assert(non_writer_trace);
2762         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2763         assert(non_writer_sc);
2764         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2765                 empty_struct_ft);
2766         assert(!ret);
2767         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2768         assert(!ret);
2769         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2770         assert(non_writer_stream);
2771         non_writer_clock = bt_ctf_clock_create("non_writer_clock");
2772         assert(non_writer_clock);
2773         ret = bt_ctf_trace_add_clock(non_writer_trace, non_writer_clock);
2774         assert(!ret);
2775
2776         /* Create event class and event */
2777         writer_ec = create_minimal_event_class();
2778         assert(writer_ec);
2779         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2780         assert(!ret);
2781         event = bt_ctf_event_create(writer_ec);
2782         assert(event);
2783         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2784         assert(int_field);
2785         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2786
2787         /*
2788          * Verify non-writer stream: it should be impossible to append
2789          * an event to it.
2790          */
2791         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2792                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2793
2794         /*
2795          * Verify writer stream: it should be possible to append an
2796          * event to it.
2797          */
2798         ok(!bt_ctf_stream_append_event(writer_stream, event),
2799                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2800
2801         /*
2802          * Verify that it's possible to get and set the value of a
2803          * writer mode clock.
2804          */
2805         ok (!bt_ctf_clock_set_value(writer_clock, 1000),
2806                 "bt_ctf_clock_set_value() succeeds with a writer mode clock");
2807         ok (bt_ctf_clock_get_value(writer_clock) == 1000,
2808                 "bt_ctf_clock_get_value() succeeds with a writer mode clock");
2809
2810         /*
2811          * Verify that it's impossible to get and set the value of a
2812          * non-writer mode clock.
2813          */
2814         ok (bt_ctf_clock_set_value(non_writer_clock, 1000),
2815                 "bt_ctf_clock_set_value() fails with a non-writer mode clock");
2816         ok (bt_ctf_clock_get_value(non_writer_clock) == -1ULL,
2817                 "bt_ctf_clock_get_value() fails with a non-writer mode clock");
2818
2819         /*
2820          * It should be possible to create a packet from a non-writer
2821          * stream, but not from a writer stream.
2822          */
2823         packet = bt_ctf_packet_create(writer_stream);
2824         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2825         packet = bt_ctf_packet_create(non_writer_stream);
2826         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2827         packet_stream = bt_ctf_packet_get_stream(packet);
2828         ok(packet_stream == non_writer_stream,
2829                 "bt_ctf_packet_get_stream() returns the correct stream");
2830
2831         /*
2832          * It should not be possible to append an event associated to
2833          * a stream to a different stream.
2834          */
2835         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2836         assert(writer_stream2);
2837         ok(bt_ctf_stream_append_event(writer_stream2, event),
2838                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2839
2840         /*
2841          * It should not be possible to set the packet of an event
2842          * associated to a given stream to a packet associated with
2843          * a different stream.
2844          */
2845         ok(bt_ctf_event_set_packet(event, packet),
2846                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2847
2848         /*
2849          * It should be possible to set the packet of a fresh event, as
2850          * long as the originating stream classes are the same.
2851          */
2852         event2 = bt_ctf_event_create(writer_ec);
2853         assert(event2);
2854         ok(bt_ctf_event_set_packet(event2, packet),
2855                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2856         non_writer_ec = create_minimal_event_class();
2857         assert(non_writer_ec);
2858         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2859         assert(!ret);
2860         BT_PUT(event2);
2861         event2 = bt_ctf_event_create(non_writer_ec);
2862         assert(event2);
2863         ok(!bt_ctf_event_set_packet(event2, packet),
2864                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2865
2866         /*
2867          * It should be possible to set a packet created from the same
2868          * stream to an event with an existing packet.
2869          */
2870         packet2 = bt_ctf_packet_create(non_writer_stream);
2871         assert(packet2);
2872         ok(!bt_ctf_event_set_packet(event2, packet2),
2873                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2874         BT_PUT(packet2);
2875
2876         /*
2877          * It should not be possible to set a packet created from a
2878          * different stream to an event with an existing packet.
2879          */
2880         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2881         assert(non_writer_stream2);
2882         packet2 = bt_ctf_packet_create(non_writer_stream);
2883         assert(packet2);
2884         ok(!bt_ctf_event_set_packet(event2, packet2),
2885                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2886
2887         bt_put(writer);
2888         bt_put(writer_trace);
2889         bt_put(writer_sc);
2890         bt_put(writer_stream);
2891         bt_put(writer_stream2);
2892         bt_put(non_writer_trace);
2893         bt_put(non_writer_sc);
2894         bt_put(non_writer_stream);
2895         bt_put(non_writer_stream2);
2896         bt_put(packet_stream);
2897         bt_put(writer_ec);
2898         bt_put(non_writer_ec);
2899         bt_put(event);
2900         bt_put(event2);
2901         bt_put(int_field);
2902         bt_put(empty_struct_ft);
2903         bt_put(writer_clock);
2904         bt_put(non_writer_clock);
2905         bt_put(packet);
2906         bt_put(packet2);
2907         delete_trace(trace_path);
2908 }
2909
2910 void test_clock_utils(void)
2911 {
2912         int ret;
2913         struct bt_ctf_clock *clock = NULL;
2914
2915         clock = bt_ctf_clock_create("water");
2916         assert(clock);
2917         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2918         assert(!ret);
2919         ret = bt_ctf_clock_set_offset(clock, 1000);
2920         assert(!ret);
2921         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2922         assert(!ret);
2923         ok(bt_ctf_clock_ns_from_value(clock, 4321) == 1234000005321ULL,
2924                 "bt_ctf_clock_ns_from_value() returns the correct value with a 1 GHz frequency");
2925         ret = bt_ctf_clock_set_frequency(clock, 1534);
2926         assert(!ret);
2927         ok(bt_ctf_clock_ns_from_value(clock, 4321) ==
2928                 (uint64_t) 1237468709256.845,
2929                 "bt_ctf_clock_ns_from_value() returns the correct value with a non-1 GHz frequency");
2930
2931         BT_PUT(clock);
2932 }
2933
2934 int main(int argc, char **argv)
2935 {
2936         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2937         char metadata_path[sizeof(trace_path) + 9];
2938         const char *clock_name = "test_clock";
2939         const char *clock_description = "This is a test clock";
2940         const char *returned_clock_name;
2941         const char *returned_clock_description;
2942         const uint64_t frequency = 1123456789;
2943         const int64_t offset_s = 1351530929945824323;
2944         const int64_t offset = 1234567;
2945         int64_t get_offset_s,
2946                 get_offset,
2947                 get_time;
2948         const uint64_t precision = 10;
2949         const int is_absolute = 0xFF;
2950         char *metadata_string;
2951         struct bt_ctf_writer *writer;
2952         struct utsname name;
2953         char hostname[BABELTRACE_HOST_NAME_MAX];
2954         struct bt_ctf_clock *clock, *ret_clock;
2955         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2956         struct bt_ctf_stream *stream1;
2957         const char *ret_string;
2958         const unsigned char *ret_uuid;
2959         unsigned char tmp_uuid[16] = { 0 };
2960         struct bt_ctf_field_type *packet_context_type,
2961                 *packet_context_field_type,
2962                 *packet_header_type,
2963                 *packet_header_field_type,
2964                 *integer_type,
2965                 *stream_event_context_type,
2966                 *ret_field_type,
2967                 *event_header_field_type;
2968         struct bt_ctf_field *packet_header, *packet_header_field;
2969         struct bt_ctf_trace *trace;
2970         int ret;
2971         int64_t ret_int64_t;
2972         struct bt_value *obj;
2973
2974         if (argc < 3) {
2975                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2976                 return -1;
2977         }
2978
2979         plan_tests(NR_TESTS);
2980
2981         if (!bt_mkdtemp(trace_path)) {
2982                 perror("# perror");
2983         }
2984
2985         strcpy(metadata_path, trace_path);
2986         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2987
2988         writer = bt_ctf_writer_create(trace_path);
2989         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2990
2991         ok(!bt_ctf_writer_get_trace(NULL),
2992                 "bt_ctf_writer_get_trace correctly handles NULL");
2993         trace = bt_ctf_writer_get_trace(writer);
2994         ok(trace,
2995                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2996         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2997                 "Set a trace's byte order to big endian");
2998         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2999                 "bt_ctf_trace_get_byte_order returns a correct endianness");
3000
3001         /* Add environment context to the trace */
3002         ret = gethostname(hostname, sizeof(hostname));
3003         if (ret < 0) {
3004                 return ret;
3005         }
3006         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
3007                 "Add host (%s) environment field to writer instance",
3008                 hostname);
3009         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
3010                 "test_value"),
3011                 "bt_ctf_writer_add_environment_field error with NULL writer");
3012         ok(bt_ctf_writer_add_environment_field(writer, NULL,
3013                 "test_value"),
3014                 "bt_ctf_writer_add_environment_field error with NULL field name");
3015         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
3016                 NULL),
3017                 "bt_ctf_writer_add_environment_field error with NULL field value");
3018
3019         /* Test bt_ctf_trace_set_environment_field with an integer object */
3020         obj = bt_value_integer_create_init(23);
3021         assert(obj);
3022         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
3023                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
3024         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
3025                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
3026         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
3027                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
3028         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
3029                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
3030         BT_PUT(obj);
3031
3032         /* Test bt_ctf_trace_set_environment_field with a string object */
3033         obj = bt_value_string_create_init("the value");
3034         assert(obj);
3035         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
3036                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
3037         BT_PUT(obj);
3038
3039         /* Test bt_ctf_trace_set_environment_field_integer */
3040         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
3041                 -194875),
3042                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
3043         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
3044                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
3045         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3046                 -164973),
3047                 "bt_ctf_trace_set_environment_field_integer succeeds");
3048
3049         /* Test bt_ctf_trace_set_environment_field_string */
3050         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
3051                 "yeah"),
3052                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
3053         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
3054                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
3055         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3056                 NULL),
3057                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
3058         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3059                 "oh yeah"),
3060                 "bt_ctf_trace_set_environment_field_string succeeds");
3061
3062         /* Test bt_ctf_trace_get_environment_field_count */
3063         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
3064                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
3065         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3066                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
3067
3068         /* Test bt_ctf_trace_get_environment_field_name */
3069         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
3070                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
3071         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
3072                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
3073         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
3074                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
3075         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
3076         ok(ret_string && !strcmp(ret_string, "host"),
3077                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3078         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
3079         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
3080                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3081         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
3082         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3083                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3084         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
3085         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3086                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3087         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
3088         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3089                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3090
3091         /* Test bt_ctf_trace_get_environment_field_value */
3092         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
3093                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3094         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
3095                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3096         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
3097                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3098         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
3099         ret = bt_value_integer_get(obj, &ret_int64_t);
3100         ok(!ret && ret_int64_t == 23,
3101                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3102         BT_PUT(obj);
3103         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
3104         ret = bt_value_string_get(obj, &ret_string);
3105         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3106                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3107         BT_PUT(obj);
3108
3109         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3110         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3111                 "test_env_str"),
3112                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3113         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3114                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3115         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3116                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3117         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3118                 "test_env_str");
3119         ret = bt_value_string_get(obj, &ret_string);
3120         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3121                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3122         BT_PUT(obj);
3123
3124         /* Test environment field replacement */
3125         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3126                 654321),
3127                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3128         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3129                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3130         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
3131         ret = bt_value_integer_get(obj, &ret_int64_t);
3132         ok(!ret && ret_int64_t == 654321,
3133                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3134         BT_PUT(obj);
3135
3136         /* On Solaris, uname() can return any positive value on success */
3137         if (uname(&name) < 0) {
3138                 perror("uname");
3139                 return -1;
3140         }
3141
3142         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3143                 == 0, "Add sysname (%s) environment field to writer instance",
3144                 name.sysname);
3145         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3146                 name.nodename) == 0,
3147                 "Add nodename (%s) environment field to writer instance",
3148                 name.nodename);
3149         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3150                 == 0, "Add release (%s) environment field to writer instance",
3151                 name.release);
3152         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3153                 == 0, "Add version (%s) environment field to writer instance",
3154                 name.version);
3155         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3156                 == 0, "Add machine (%s) environment field to writer istance",
3157                 name.machine);
3158
3159         /* Define a clock and add it to the trace */
3160         ok(bt_ctf_clock_create("signed") == NULL,
3161                 "Illegal clock name rejected");
3162         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
3163         clock = bt_ctf_clock_create(clock_name);
3164         ok(clock, "Clock created sucessfully");
3165         returned_clock_name = bt_ctf_clock_get_name(clock);
3166         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3167         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3168                 "Returned clock name is valid");
3169
3170         returned_clock_description = bt_ctf_clock_get_description(clock);
3171         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3172         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3173                 "Clock description set successfully");
3174
3175         returned_clock_description = bt_ctf_clock_get_description(clock);
3176         ok(returned_clock_description,
3177                 "bt_ctf_clock_get_description returns a description.");
3178         ok(returned_clock_description ?
3179                 !strcmp(returned_clock_description, clock_description) : 0,
3180                 "Returned clock description is valid");
3181
3182         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3183                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3184         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3185                 "Set clock frequency");
3186         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3187                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3188
3189         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3190                 "bt_ctf_clock_get_offset_s succeeds");
3191         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3192                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3193         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3194                 "Set clock offset (seconds)");
3195         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3196                 "bt_ctf_clock_get_offset_s succeeds");
3197         ok(get_offset_s == offset_s,
3198                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3199
3200         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3201                 "bt_ctf_clock_get_offset succeeds");
3202         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3203                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3204         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3205         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3206                 "bt_ctf_clock_get_offset succeeds");
3207         ok(get_offset == offset,
3208                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3209
3210         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3211                 "bt_ctf_clock_get_precision returns the correct default precision");
3212         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3213                 "Set clock precision");
3214         ok(bt_ctf_clock_get_precision(clock) == precision,
3215                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3216
3217         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3218                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3219         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3220                 "Set clock absolute property");
3221         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3222                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3223
3224         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3225                 "bt_ctf_clock_get_time succeeds");
3226         ok(get_time == DEFAULT_CLOCK_TIME,
3227                 "bt_ctf_clock_get_time returns the correct default time");
3228         ok(bt_ctf_clock_get_value(clock) == DEFAULT_CLOCK_VALUE,
3229                 "bt_ctf_clock_get_value returns the correct default value");
3230         ok(bt_ctf_clock_set_value(clock, current_time) == 0,
3231                 "Set clock value");
3232         ok(bt_ctf_clock_get_value(clock) == current_time,
3233                 "bt_ctf_clock_get_value returns the correct value once it is set");
3234         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3235                 "Set clock time");
3236         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3237                 "bt_ctf_clock_get_time succeeds");
3238         ok(get_time >= current_time - 1 && get_time <= current_time + 1,
3239                 "bt_ctf_clock_get_time returns the correct time once it is set");
3240
3241         ok(!bt_ctf_clock_get_name(NULL),
3242                 "bt_ctf_clock_get_name correctly handles NULL");
3243         ok(!bt_ctf_clock_get_description(NULL),
3244                 "bt_ctf_clock_get_description correctly handles NULL");
3245         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3246                 "bt_ctf_clock_get_frequency correctly handles NULL");
3247         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3248                 "bt_ctf_clock_get_precision correctly handles NULL");
3249         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3250                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3251         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3252                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3253         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3254                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3255         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3256                 "bt_ctf_clock_get_offset correctly handles NULL output");
3257         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3258                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3259         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3260                 "bt_ctf_clock_get_time correctly handles NULL clock");
3261         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3262                 "bt_ctf_clock_get_time correctly handles NULL output");
3263
3264         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3265                 "bt_ctf_clock_set_description correctly handles NULL clock");
3266         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3267                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3268         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3269                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3270         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3271                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3272         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3273                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3274         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3275                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3276         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3277                 "bt_ctf_clock_set_time correctly handles NULL clock");
3278         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3279                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3280         ret_uuid = bt_ctf_clock_get_uuid(clock);
3281         ok(ret_uuid,
3282                 "bt_ctf_clock_get_uuid returns a UUID");
3283         if (ret_uuid) {
3284                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3285                 /* Slightly modify UUID */
3286                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3287         }
3288
3289         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3290                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3291         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3292                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3293         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3294                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3295         ret_uuid = bt_ctf_clock_get_uuid(clock);
3296         ok(ret_uuid,
3297                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3298         ok(uuid_match(ret_uuid, tmp_uuid),
3299                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3300
3301         /* Define a stream class */
3302         stream_class = bt_ctf_stream_class_create("test_stream");
3303
3304         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3305                 "bt_ctf_stream_class_get_name handles NULL correctly");
3306         ret_string = bt_ctf_stream_class_get_name(stream_class);
3307         ok(ret_string && !strcmp(ret_string, "test_stream"),
3308                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3309
3310         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3311                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3312         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3313                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3314
3315         ok(stream_class, "Create stream class");
3316         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3317                 "Set a stream class' clock");
3318         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3319         ok(ret_clock == clock,
3320                 "bt_ctf_stream_class_get_clock returns a correct clock");
3321         bt_put(ret_clock);
3322
3323         /* Test the event fields and event types APIs */
3324         type_field_tests();
3325
3326         /* Test fields copying */
3327         field_copy_tests();
3328
3329         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3330                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3331         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3332                 "bt_ctf_stream_class_get_id handles NULL correctly");
3333         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3334                 "bt_ctf_stream_class_set_id handles NULL correctly");
3335         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3336                 "Set an stream class' id");
3337         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3338                 "bt_ctf_stream_class_get_id returns the correct value");
3339
3340         /* Validate default event header fields */
3341         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3342                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3343         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3344                 stream_class);
3345         ok(ret_field_type,
3346                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3347         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3348                 "Default event header type is a structure");
3349         event_header_field_type =
3350                 bt_ctf_field_type_structure_get_field_type_by_name(
3351                 ret_field_type, "id");
3352         ok(event_header_field_type,
3353                 "Default event header type contains an \"id\" field");
3354         ok(bt_ctf_field_type_get_type_id(
3355                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3356                 "Default event header \"id\" field is an integer");
3357         bt_put(event_header_field_type);
3358         event_header_field_type =
3359                 bt_ctf_field_type_structure_get_field_type_by_name(
3360                 ret_field_type, "timestamp");
3361         ok(event_header_field_type,
3362                 "Default event header type contains a \"timestamp\" field");
3363         ok(bt_ctf_field_type_get_type_id(
3364                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3365                 "Default event header \"timestamp\" field is an integer");
3366         bt_put(event_header_field_type);
3367         bt_put(ret_field_type);
3368
3369         /* Add a custom trace packet header field */
3370         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3371                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3372         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3373         ok(packet_header_type,
3374                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3375         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3376                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3377         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3378                 packet_header_type, "magic");
3379         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3380         bt_put(ret_field_type);
3381         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3382                 packet_header_type, "uuid");
3383         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3384         bt_put(ret_field_type);
3385         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3386                 packet_header_type, "stream_id");
3387         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3388         bt_put(ret_field_type);
3389
3390         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3391         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3392                 packet_header_field_type, "custom_trace_packet_header_field"),
3393                 "Added a custom trace packet header field successfully");
3394
3395         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3396                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3397         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3398                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3399         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3400                 "Set a trace packet_header_type successfully");
3401
3402         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3403                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3404
3405         /* Add a custom field to the stream class' packet context */
3406         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3407         ok(packet_context_type,
3408                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3409         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3410                 "Packet context is a structure");
3411
3412         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3413                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3414         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3415                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3416
3417         integer_type = bt_ctf_field_type_integer_create(32);
3418         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3419                 integer_type) < 0,
3420                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3421         /* Create a "uint5_t" equivalent custom packet context field */
3422         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3423
3424         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3425                 packet_context_field_type, "custom_packet_context_field");
3426         ok(ret == 0, "Packet context field added successfully");
3427
3428         /* Define a stream event context containing a my_integer field. */
3429         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3430                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3431         ok(bt_ctf_stream_class_get_event_context_type(
3432                 stream_class) == NULL,
3433                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3434         stream_event_context_type = bt_ctf_field_type_structure_create();
3435         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3436                 integer_type, "common_event_context");
3437
3438         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3439                 stream_event_context_type) < 0,
3440                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3441         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3442                 NULL) < 0,
3443                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3444         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3445                 integer_type) < 0,
3446                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3447
3448         ok(bt_ctf_stream_class_set_event_context_type(
3449                 stream_class, stream_event_context_type) == 0,
3450                 "Set a new stream event context type");
3451         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3452                 stream_class);
3453         ok(ret_field_type == stream_event_context_type,
3454                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3455         bt_put(ret_field_type);
3456
3457         /* Instantiate a stream and append events */
3458         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3459         ok(stream1, "Instanciate a stream class from writer");
3460
3461         /*
3462          * Creating a stream through a writer adds the given stream
3463          * class to the writer's trace, thus registering the stream
3464          * class's clock to the trace.
3465          */
3466         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3467                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3468         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3469                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3470         ok(!bt_ctf_trace_get_clock(NULL, 0),
3471                 "bt_ctf_trace_get_clock correctly handles NULL");
3472         ok(!bt_ctf_trace_get_clock(trace, -1),
3473                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3474         ok(!bt_ctf_trace_get_clock(trace, 1),
3475                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3476         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3477         ok(ret_clock == clock,
3478                 "bt_ctf_trace_get_clock returns the right clock instance");
3479         bt_put(ret_clock);
3480         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3481                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3482         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3483                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3484         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3485                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3486         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3487         ok(ret_clock == clock,
3488                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3489         bt_put(ret_clock);
3490         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3491                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3492
3493         ok(bt_ctf_stream_get_class(NULL) == NULL,
3494                 "bt_ctf_stream_get_class correctly handles NULL");
3495         ret_stream_class = bt_ctf_stream_get_class(stream1);
3496         ok(ret_stream_class,
3497                 "bt_ctf_stream_get_class returns a stream class");
3498         ok(ret_stream_class == stream_class,
3499                 "Returned stream class is of the correct type");
3500
3501         /*
3502          * Packet header, packet context, event header, and stream
3503          * event context types were copied for the resolving
3504          * process
3505          */
3506         BT_PUT(packet_header_type);
3507         BT_PUT(packet_context_type);
3508         BT_PUT(stream_event_context_type);
3509         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3510         assert(packet_header_type);
3511         packet_context_type =
3512                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3513         assert(packet_context_type);
3514         stream_event_context_type =
3515                 bt_ctf_stream_class_get_event_context_type(stream_class);
3516         assert(stream_event_context_type);
3517
3518         /*
3519          * Try to modify the packet context type after a stream has been
3520          * created.
3521          */
3522         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3523                 packet_header_field_type, "should_fail");
3524         ok(ret < 0,
3525                 "Trace packet header type can't be modified once a stream has been instanciated");
3526
3527         /*
3528          * Try to modify the packet context type after a stream has been
3529          * created.
3530          */
3531         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3532                 packet_context_field_type, "should_fail");
3533         ok(ret < 0,
3534                 "Packet context type can't be modified once a stream has been instanciated");
3535
3536         /*
3537          * Try to modify the stream event context type after a stream has been
3538          * created.
3539          */
3540         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3541                 integer_type, "should_fail");
3542         ok(ret < 0,
3543                 "Stream event context type can't be modified once a stream has been instanciated");
3544
3545         /* Should fail after instanciating a stream (frozen) */
3546         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3547                 "Changes to a stream class that was already instantiated fail");
3548
3549         /* Populate the custom packet header field only once for all tests */
3550         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3551                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3552         packet_header = bt_ctf_stream_get_packet_header(stream1);
3553         ok(packet_header,
3554                 "bt_ctf_stream_get_packet_header returns a packet header");
3555         ret_field_type = bt_ctf_field_get_type(packet_header);
3556         ok(ret_field_type == packet_header_type,
3557                 "Stream returns a packet header of the appropriate type");
3558         bt_put(ret_field_type);
3559         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3560                 "custom_trace_packet_header_field");
3561         ok(packet_header_field,
3562                 "Packet header structure contains a custom field with the appropriate name");
3563         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3564         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3565                 "Custom packet header field is of the expected type");
3566         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3567                 54321), "Set custom packet header value successfully");
3568         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3569                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3570         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3571                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3572         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3573                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3574         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3575                 "Successfully set a stream's packet header");
3576
3577         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3578                 "Add environment field to writer after stream creation");
3579
3580         test_clock_utils();
3581
3582         test_trace_stream_class_clock();
3583
3584         test_create_writer_vs_non_writer_mode();
3585
3586         test_instanciate_event_before_stream(writer);
3587
3588         append_simple_event(stream_class, stream1, clock);
3589
3590         packet_resize_test(stream_class, stream1, clock);
3591
3592         append_complex_event(stream_class, stream1, clock);
3593
3594         append_existing_event_class(stream_class);
3595
3596         test_empty_stream(writer);
3597
3598         test_custom_event_header_stream(writer);
3599
3600         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3601         ok(metadata_string, "Get metadata string");
3602
3603         bt_ctf_writer_flush_metadata(writer);
3604         validate_metadata(argv[1], metadata_path);
3605         validate_trace(argv[2], trace_path);
3606
3607         bt_put(clock);
3608         bt_put(ret_stream_class);
3609         bt_put(writer);
3610         bt_put(stream1);
3611         bt_put(packet_context_type);
3612         bt_put(packet_context_field_type);
3613         bt_put(integer_type);
3614         bt_put(stream_event_context_type);
3615         bt_put(ret_field_type);
3616         bt_put(packet_header_type);
3617         bt_put(packet_header_field_type);
3618         bt_put(packet_header);
3619         bt_put(packet_header_field);
3620         bt_put(trace);
3621         free(metadata_string);
3622         bt_put(stream_class);
3623
3624         delete_trace(trace_path);
3625         return 0;
3626 }