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 static
 102 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
 103 {
 104         int ret = 0;
 105         int i;
 106
 107         if (!uuid_a || !uuid_b) {
 108                 goto end;
 109         }
 110
 111         for (i = 0; i < 16; i++) {
 112                 if (uuid_a[i] != uuid_b[i]) {
 113                         goto end;
 114                 }
 115         }
 116
 117         ret = 1;
 118 end:
 119         return ret;
 120 }
 121
 122 static
 123 void validate_metadata(char *parser_path, char *metadata_path)
 124 {
 125         int ret = 0;
 126         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
 127         int parser_output_fd = -1, metadata_fd = -1;
 128
 129         if (!metadata_path) {
 130                 ret = -1;
 131                 goto result;
 132         }
 133
 134         parser_output_fd = mkstemp(parser_output_path);
 135         metadata_fd = open(metadata_path, O_RDONLY);
 136
 137         unlink(parser_output_path);
 138
 139         if (parser_output_fd == -1 || metadata_fd == -1) {
 140                 diag("Failed create temporary files for metadata parsing.");
 141                 ret = -1;
 142                 goto result;
 143         }
 144
 145         pid_t pid = fork();
 146         if (pid) {
 147                 int status = 0;
 148                 waitpid(pid, &status, 0);
 149                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 150         } else {
 151                 /* ctf-parser-test expects a metadata string on stdin. */
 152                 ret = dup2(metadata_fd, STDIN_FILENO);
 153                 if (ret < 0) {
 154                         perror("# dup2 metadata_fd to STDIN");
 155                         goto result;
 156                 }
 157
 158                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 159                 if (ret < 0) {
 160                         perror("# dup2 parser_output_fd to STDOUT");
 161                         goto result;
 162                 }
 163
 164                 ret = dup2(parser_output_fd, STDERR_FILENO);
 165                 if (ret < 0) {
 166                         perror("# dup2 parser_output_fd to STDERR");
 167                         goto result;
 168                 }
 169
 170                 execl(parser_path, "ctf-parser-test", NULL);
 171                 perror("# Could not launch the ctf metadata parser process");
 172                 exit(-1);
 173         }
 174 result:
 175         ok(ret == 0, "Metadata string is valid");
 176
 177         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 178                 char *line;
 179                 size_t len = METADATA_LINE_SIZE;
 180                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 181
 182                 metadata_fp = fdopen(metadata_fd, "r");
 183                 if (!metadata_fp) {
 184                         perror("fdopen on metadata_fd");
 185                         goto close_fp;
 186                 }
 187                 metadata_fd = -1;
 188
 189                 parser_output_fp = fdopen(parser_output_fd, "r");
 190                 if (!parser_output_fp) {
 191                         perror("fdopen on parser_output_fd");
 192                         goto close_fp;
 193                 }
 194                 parser_output_fd = -1;
 195
 196                 line = malloc(len);
 197                 if (!line) {
 198                         diag("malloc failure");
 199                 }
 200
 201                 rewind(metadata_fp);
 202
 203                 /* Output the metadata and parser output as diagnostic */
 204                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 205                         fprintf(stderr, "# %s", line);
 206                 }
 207
 208                 rewind(parser_output_fp);
 209                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 210                         fprintf(stderr, "# %s", line);
 211                 }
 212
 213                 free(line);
 214 close_fp:
 215                 if (metadata_fp) {
 216                         if (fclose(metadata_fp)) {
 217                                 diag("fclose failure");
 218                         }
 219                 }
 220                 if (parser_output_fp) {
 221                         if (fclose(parser_output_fp)) {
 222                                 diag("fclose failure");
 223                         }
 224                 }
 225         }
 226
 227         if (parser_output_fd >= 0) {
 228                 if (close(parser_output_fd)) {
 229                         diag("close error");
 230                 }
 231         }
 232         if (metadata_fd >= 0) {
 233                 if (close(metadata_fd)) {
 234                         diag("close error");
 235                 }
 236         }
 237 }
 238
 239 static
 240 void validate_trace(char *parser_path, char *trace_path)
 241 {
 242         int ret = 0;
 243         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 244         int babeltrace_output_fd = -1;
 245
 246         if (!trace_path) {
 247                 ret = -1;
 248                 goto result;
 249         }
 250
 251         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 252         unlink(babeltrace_output_path);
 253
 254         if (babeltrace_output_fd == -1) {
 255                 diag("Failed to create a temporary file for trace parsing.");
 256                 ret = -1;
 257                 goto result;
 258         }
 259
 260         pid_t pid = fork();
 261         if (pid) {
 262                 int status = 0;
 263                 waitpid(pid, &status, 0);
 264                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 265         } else {
 266                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 267                 if (ret < 0) {
 268                         perror("# dup2 babeltrace_output_fd to STDOUT");
 269                         goto result;
 270                 }
 271
 272                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 273                 if (ret < 0) {
 274                         perror("# dup2 babeltrace_output_fd to STDERR");
 275                         goto result;
 276                 }
 277
 278                 execl(parser_path, "babeltrace", trace_path, NULL);
 279                 perror("# Could not launch the babeltrace process");
 280                 exit(-1);
 281         }
 282 result:
 283         ok(ret == 0, "Babeltrace could read the resulting trace");
 284
 285         if (ret && babeltrace_output_fd >= 0) {
 286                 char *line;
 287                 size_t len = METADATA_LINE_SIZE;
 288                 FILE *babeltrace_output_fp = NULL;
 289
 290                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 291                 if (!babeltrace_output_fp) {
 292                         perror("fdopen on babeltrace_output_fd");
 293                         goto close_fp;
 294                 }
 295                 babeltrace_output_fd = -1;
 296
 297                 line = malloc(len);
 298                 if (!line) {
 299                         diag("malloc error");
 300                 }
 301                 rewind(babeltrace_output_fp);
 302                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 303                         diag("%s", line);
 304                 }
 305
 306                 free(line);
 307 close_fp:
 308                 if (babeltrace_output_fp) {
 309                         if (fclose(babeltrace_output_fp)) {
 310                                 diag("fclose error");
 311                         }
 312                 }
 313         }
 314
 315         if (babeltrace_output_fd >= 0) {
 316                 if (close(babeltrace_output_fd)) {
 317                         diag("close error");
 318                 }
 319         }
 320 }
 321
 322 static
 323 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 324                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 325 {
 326         /* Create and add a simple event class */
 327         struct bt_ctf_event_class *simple_event_class =
 328                 bt_ctf_event_class_create("Simple Event");
 329         struct bt_ctf_field_type *uint_12_type =
 330                 bt_ctf_field_type_integer_create(12);
 331         struct bt_ctf_field_type *int_64_type =
 332                 bt_ctf_field_type_integer_create(64);
 333         struct bt_ctf_field_type *float_type =
 334                 bt_ctf_field_type_floating_point_create();
 335         struct bt_ctf_field_type *enum_type;
 336         struct bt_ctf_field_type *enum_type_unsigned =
 337                 bt_ctf_field_type_enumeration_create(uint_12_type);
 338         struct bt_ctf_field_type *event_context_type =
 339                 bt_ctf_field_type_structure_create();
 340         struct bt_ctf_field_type *event_payload_type = NULL;
 341         struct bt_ctf_field_type *returned_type;
 342         struct bt_ctf_event *simple_event;
 343         struct bt_ctf_field *integer_field;
 344         struct bt_ctf_field *float_field;
 345         struct bt_ctf_field *enum_field;
 346         struct bt_ctf_field *enum_field_unsigned;
 347         struct bt_ctf_field *enum_container_field;
 348         const char *mapping_name_test = "truie";
 349         const double double_test_value = 3.1415;
 350         struct bt_ctf_field *enum_container_field_unsigned;
 351         const char *mapping_name_negative_test = "negative_value";
 352         const char *ret_char;
 353         double ret_double;
 354         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 355         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 356         struct bt_ctf_clock *ret_clock;
 357         struct bt_ctf_event_class *ret_event_class;
 358         struct bt_ctf_field *packet_context;
 359         struct bt_ctf_field *packet_context_field;
 360         struct bt_ctf_field *stream_event_context;
 361         struct bt_ctf_field *stream_event_context_field;
 362         struct bt_ctf_field *event_context;
 363         struct bt_ctf_field *event_context_field;
 364         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 365         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 366         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 367         int ret;
 368
 369         ok(uint_12_type, "Create an unsigned integer type");
 370
 371         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 372         ok(int_64_type, "Create a signed integer type");
 373         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 374
 375         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 376         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 377         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 378         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 379                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 380         bt_put(returned_type);
 381
 382         bt_ctf_field_type_set_alignment(float_type, 32);
 383         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 384                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 385         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 386                 "bt_ctf_field_type_get_alignment returns a correct value");
 387
 388         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 389                 "Set a floating point type's exponent digit count");
 390         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 391                 "Set a floating point type's mantissa digit count");
 392
 393         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 394                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 395         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 396                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 397         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 398                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 399         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 400                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 401
 402         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 403                 mapping_name_negative_test, -12345, 0) == 0,
 404                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 405         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 406                 "escaping; \"test\"", 1, 1) == 0,
 407                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 408         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 409                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 410                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 411         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 412                 "event clock int float", 5, 22) == 0,
 413                 "Accept enumeration mapping strings containing reserved keywords");
 414         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 415                 42, 42);
 416         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 417                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 418         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 419                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 420         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 421                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 422         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 423
 424         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 425                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 426         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 427                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 428         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 429                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 430
 431         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 432                 "enum_field") == 0, "Add signed enumeration field to event");
 433
 434         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 435                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 436                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 437         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 438                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 439                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 440         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 441                 NULL, &ret_range_end_int64_t) < 0,
 442                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 443         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 444                 &ret_range_start_int64_t, NULL) < 0,
 445                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 446         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 447                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 448                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 449         ok(!strcmp(ret_char, mapping_name_test),
 450                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 451         ok(ret_range_start_int64_t == 42,
 452                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 453         ok(ret_range_end_int64_t == 42,
 454                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 455
 456         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 457                 "escaping; \"test\"", 0, 0) == 0,
 458                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 459         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 460                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 461                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 462         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 463                 "event clock int float", 5, 22) == 0,
 464                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 465         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 466                 42, 42);
 467         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 468                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 469         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 470                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 471         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 472                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 473         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 474                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 475
 476         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 477                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 478         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 479                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 480
 481         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 482                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 483                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 484         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 485                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 486                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 487         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 488                 NULL, &ret_range_end_uint64_t) < 0,
 489                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 490         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 491                 &ret_range_start_uint64_t, NULL) < 0,
 492                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 493         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 494                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 495                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 496         ok(!strcmp(ret_char, mapping_name_test),
 497                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 498         ok(ret_range_start_uint64_t == 42,
 499                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 500         ok(ret_range_end_uint64_t == 42,
 501                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 502
 503         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 504                 "integer_field");
 505         bt_ctf_event_class_add_field(simple_event_class, float_type,
 506                 "float_field");
 507
 508         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 509
 510         /* Set an event context type which will contain a single integer*/
 511         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 512                 "event_specific_context"),
 513                 "Add event specific context field");
 514         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 515                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 516         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 517                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 518
 519         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 520                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 521         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 522                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 523         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 524                 "Set an event class' context type successfully");
 525         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 526         ok(returned_type == event_context_type,
 527                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 528         bt_put(returned_type);
 529
 530         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 531
 532         /*
 533          * bt_ctf_stream_class_add_event_class() copies the field types
 534          * of simple_event_class, so we retrieve the new ones to create
 535          * the appropriate fields.
 536          */
 537         BT_PUT(event_context_type);
 538         BT_PUT(event_payload_type);
 539         event_payload_type = bt_ctf_event_class_get_payload_type(
 540                 simple_event_class);
 541         assert(event_payload_type);
 542         event_context_type = bt_ctf_event_class_get_context_type(
 543                 simple_event_class);
 544         assert(event_context_type);
 545         ep_integer_field_type =
 546                 bt_ctf_field_type_structure_get_field_type_by_name(
 547                         event_payload_type, "integer_field");
 548         assert(ep_integer_field_type);
 549         ep_enum_field_type =
 550                 bt_ctf_field_type_structure_get_field_type_by_name(
 551                         event_payload_type, "enum_field");
 552         assert(ep_enum_field_type);
 553         ep_enum_field_unsigned_type =
 554                 bt_ctf_field_type_structure_get_field_type_by_name(
 555                         event_payload_type, "enum_field_unsigned");
 556         assert(ep_enum_field_unsigned_type);
 557
 558         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 559                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 560         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 561                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 562         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 563                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 564         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 565                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 566         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 567         ok(ret_event_class == simple_event_class,
 568                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 569         bt_put(ret_event_class);
 570         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 571                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 572         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 573                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 574         ret_event_class =
 575                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 576         ok(ret_event_class == simple_event_class,
 577                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 578         bt_put(ret_event_class);
 579
 580         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 581                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 582         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 583                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 584         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 585                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 586         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 587         ok(ret_event_class == simple_event_class,
 588                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 589         bt_put(ret_event_class);
 590
 591         simple_event = bt_ctf_event_create(simple_event_class);
 592         ok(simple_event,
 593                 "Instantiate an event containing a single integer field");
 594
 595         ok(bt_ctf_event_get_clock(NULL) == NULL,
 596                 "bt_ctf_event_get_clock handles NULL correctly");
 597         ret_clock = bt_ctf_event_get_clock(simple_event);
 598         ok(ret_clock == clock,
 599                 "bt_ctf_event_get_clock returns a correct clock");
 600         bt_put(clock);
 601
 602         integer_field = bt_ctf_field_create(ep_integer_field_type);
 603         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 604         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 605                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 606
 607         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 608         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 609                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 610         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 611         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 612                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 613         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 614                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 615         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 616                 "bt_ctf_field_floating_point_get_value returns a double value");
 617         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 618                 "bt_ctf_field_floating_point_get_value returns a correct value");
 619
 620         enum_field = bt_ctf_field_create(ep_enum_field_type);
 621         assert(enum_field);
 622         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 623         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 624         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 625         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 626         enum_container_field = bt_ctf_field_enumeration_get_container(
 627                 enum_field);
 628         ok(bt_ctf_field_signed_integer_set_value(
 629                 enum_container_field, -42) == 0,
 630                 "Set signed enumeration container value");
 631         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 632         ok(!strcmp(ret_char, mapping_name_negative_test),
 633                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 634         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 635         assert(!ret);
 636
 637         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 638         assert(enum_field_unsigned);
 639         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 640                 enum_field_unsigned);
 641         ok(bt_ctf_field_unsigned_integer_set_value(
 642                 enum_container_field_unsigned, 42) == 0,
 643                 "Set unsigned enumeration container value");
 644         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 645                 enum_field_unsigned);
 646         assert(!ret);
 647         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 648         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 649                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 650
 651         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 652
 653         /* Populate stream event context */
 654         stream_event_context =
 655                 bt_ctf_event_get_stream_event_context(simple_event);
 656         assert(stream_event_context);
 657         stream_event_context_field = bt_ctf_field_structure_get_field(
 658                 stream_event_context, "common_event_context");
 659         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 660
 661         /* Populate the event's context */
 662         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 663                 "bt_ctf_event_get_event_context handles NULL correctly");
 664         event_context = bt_ctf_event_get_event_context(simple_event);
 665         ok(event_context,
 666                 "bt_ctf_event_get_event_context returns a field");
 667         returned_type = bt_ctf_field_get_type(event_context);
 668         ok(returned_type == event_context_type,
 669                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 670         event_context_field = bt_ctf_field_structure_get_field(event_context,
 671                 "event_specific_context");
 672         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 673                 "Successfully set an event context's value");
 674         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 675                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 676         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 677                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 678         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 679                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 680         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 681                 "Set an event context successfully");
 682
 683         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 684                 "Append simple event to trace stream");
 685
 686         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 687                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 688         packet_context = bt_ctf_stream_get_packet_context(stream);
 689         ok(packet_context,
 690                 "bt_ctf_stream_get_packet_context returns a packet context");
 691
 692         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 693                 "packet_size");
 694         ok(packet_context_field,
 695                 "Packet context contains the default packet_size field.");
 696         bt_put(packet_context_field);
 697         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 698                 "custom_packet_context_field");
 699         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 700                 "Custom packet context field value successfully set.");
 701
 702         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 703                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 704         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 705                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 706         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 707                 "Successfully set a stream's packet context");
 708
 709         ok(bt_ctf_stream_flush(stream) == 0,
 710                 "Flush trace stream with one event");
 711
 712         bt_put(simple_event_class);
 713         bt_put(simple_event);
 714         bt_put(uint_12_type);
 715         bt_put(int_64_type);
 716         bt_put(float_type);
 717         bt_put(enum_type);
 718         bt_put(enum_type_unsigned);
 719         bt_put(returned_type);
 720         bt_put(event_context_type);
 721         bt_put(integer_field);
 722         bt_put(float_field);
 723         bt_put(enum_field);
 724         bt_put(enum_field_unsigned);
 725         bt_put(enum_container_field);
 726         bt_put(enum_container_field_unsigned);
 727         bt_put(packet_context);
 728         bt_put(packet_context_field);
 729         bt_put(stream_event_context);
 730         bt_put(stream_event_context_field);
 731         bt_put(event_context);
 732         bt_put(event_context_field);
 733         bt_put(event_payload_type);
 734         bt_put(ep_integer_field_type);
 735         bt_put(ep_enum_field_type);
 736         bt_put(ep_enum_field_unsigned_type);
 737 }
 738
 739 static
 740 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 741                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 742 {
 743         struct event_class_attrs_counts {
 744                 int id;
 745                 int name;
 746                 int loglevel;
 747                 int modelemfuri;
 748                 int unknown;
 749         } attrs_count;
 750
 751         int i;
 752         int ret;
 753         int64_t int64_value;
 754         struct event_class_attrs_counts ;
 755         const char *complex_test_event_string = "Complex Test Event";
 756         const char *test_string_1 = "Test ";
 757         const char *test_string_2 = "string ";
 758         const char *test_string_3 = "abcdefghi";
 759         const char *test_string_4 = "abcd\0efg\0hi";
 760         const char *test_string_cat = "Test string abcdeabcd";
 761         struct bt_ctf_field_type *uint_35_type =
 762                 bt_ctf_field_type_integer_create(35);
 763         struct bt_ctf_field_type *int_16_type =
 764                 bt_ctf_field_type_integer_create(16);
 765         struct bt_ctf_field_type *uint_3_type =
 766                 bt_ctf_field_type_integer_create(3);
 767         struct bt_ctf_field_type *enum_variant_type =
 768                 bt_ctf_field_type_enumeration_create(uint_3_type);
 769         struct bt_ctf_field_type *variant_type =
 770                 bt_ctf_field_type_variant_create(enum_variant_type,
 771                         "variant_selector");
 772         struct bt_ctf_field_type *string_type =
 773                 bt_ctf_field_type_string_create();
 774         struct bt_ctf_field_type *sequence_type;
 775         struct bt_ctf_field_type *array_type;
 776         struct bt_ctf_field_type *inner_structure_type =
 777                 bt_ctf_field_type_structure_create();
 778         struct bt_ctf_field_type *complex_structure_type =
 779                 bt_ctf_field_type_structure_create();
 780         struct bt_ctf_field_type *ret_field_type;
 781         struct bt_ctf_event_class *event_class;
 782         struct bt_ctf_event *event;
 783         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 784                 *inner_structure_field, *complex_structure_field,
 785                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 786                 *variant_field, *an_array_field, *stream_event_ctx_field,
 787                 *stream_event_ctx_int_field, *ret_field;
 788         uint64_t ret_unsigned_int;
 789         int64_t ret_signed_int;
 790         const char *ret_string;
 791         struct bt_ctf_stream_class *ret_stream_class;
 792         struct bt_ctf_event_class *ret_event_class;
 793         struct bt_ctf_field *packet_context, *packet_context_field;
 794         struct bt_value *obj;
 795
 796         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 797                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 798         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 799                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 800         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 801                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 802         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 803                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 804         bt_ctf_field_type_set_alignment(int_16_type, 32);
 805         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 806         bt_ctf_field_type_integer_set_base(uint_35_type,
 807                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 808
 809         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 810         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 811                 "seq_len");
 812
 813         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 814                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 815         ret_field_type = bt_ctf_field_type_array_get_element_type(
 816                 array_type);
 817         ok(ret_field_type == int_16_type,
 818                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 819         bt_put(ret_field_type);
 820
 821         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 822                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 823         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 824                 "bt_ctf_field_type_array_get_length returns the correct length");
 825
 826         bt_ctf_field_type_structure_add_field(inner_structure_type,
 827                 uint_35_type, "seq_len");
 828         bt_ctf_field_type_structure_add_field(inner_structure_type,
 829                 sequence_type, "a_sequence");
 830         bt_ctf_field_type_structure_add_field(inner_structure_type,
 831                 array_type, "an_array");
 832
 833         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 834                 "UINT3_TYPE", 0, 0);
 835         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 836                 "INT16_TYPE", 1, 1);
 837         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 838                 "UINT35_TYPE", 2, 7);
 839
 840         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 841                 "INT16_TYPE") < 0,
 842                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 843         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 844                 enum_variant_type, NULL) < 0,
 845                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 846         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 847                 enum_variant_type, "INT16_TYPE") == 1,
 848                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 849
 850         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 851                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 852         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 853                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 854         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 855                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 856
 857         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 858                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 859         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 860                 "UINT3_TYPE") == 0, "Add a field to a variant");
 861         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 862                 "INT16_TYPE");
 863         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 864                 "UINT35_TYPE");
 865
 866         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 867                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 868         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 869         ok(ret_field_type == enum_variant_type,
 870                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 871         bt_put(ret_field_type);
 872
 873         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 874                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 875         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 876         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 877                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 878         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 879                 "INT16_TYPE") == NULL,
 880                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 881         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 882                 NULL) == NULL,
 883                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 884         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 885                 variant_type, "INT16_TYPE");
 886         ok(ret_field_type == int_16_type,
 887                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 888         bt_put(ret_field_type);
 889
 890         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 891                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 892         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 893                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 894
 895         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 896                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 897         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 898                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 899         bt_put(ret_field_type);
 900         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 901                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 902         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 903                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 904         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 905                 "bt_ctf_field_type_variant_get_field returns a field");
 906         ok(!strcmp("INT16_TYPE", ret_string),
 907                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 908         ok(ret_field_type == int_16_type,
 909                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 910         bt_put(ret_field_type);
 911
 912         bt_ctf_field_type_structure_add_field(complex_structure_type,
 913                 enum_variant_type, "variant_selector");
 914         bt_ctf_field_type_structure_add_field(complex_structure_type,
 915                 string_type, "a_string");
 916         bt_ctf_field_type_structure_add_field(complex_structure_type,
 917                 variant_type, "variant_value");
 918         bt_ctf_field_type_structure_add_field(complex_structure_type,
 919                 inner_structure_type, "inner_structure");
 920
 921         ok(bt_ctf_event_class_create("clock") == NULL,
 922                 "Reject creation of an event class with an illegal name");
 923         event_class = bt_ctf_event_class_create(complex_test_event_string);
 924         ok(event_class, "Create an event class");
 925         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 926                 "Reject addition of a field with an empty name to an event");
 927         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 928                 "Reject addition of a field with a NULL type to an event");
 929         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 930                 "int"),
 931                 "Reject addition of a type with an illegal name to an event");
 932         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 933                 "uint_35") == 0,
 934                 "Add field of type unsigned integer to an event");
 935         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 936                 "int_16") == 0, "Add field of type signed integer to an event");
 937         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 938                 "complex_structure") == 0,
 939                 "Add composite structure to an event");
 940
 941         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 942                 "bt_ctf_event_class_get_name handles NULL correctly");
 943         ret_string = bt_ctf_event_class_get_name(event_class);
 944         ok(!strcmp(ret_string, complex_test_event_string),
 945                 "bt_ctf_event_class_get_name returns a correct name");
 946         ok(bt_ctf_event_class_get_id(event_class) < 0,
 947                 "bt_ctf_event_class_get_id returns a negative value when not set");
 948         ok(bt_ctf_event_class_get_id(NULL) < 0,
 949                 "bt_ctf_event_class_get_id handles NULL correctly");
 950         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 951                 "bt_ctf_event_class_set_id handles NULL correctly");
 952         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 953                 "Set an event class' id");
 954         ok(bt_ctf_event_class_get_id(event_class) == 42,
 955                 "bt_ctf_event_class_get_id returns the correct value");
 956
 957         /* Test event class attributes */
 958         obj = bt_value_integer_create_init(15);
 959         assert(obj);
 960         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 961                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 962         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 963                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 964         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 965                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 966         assert(!bt_value_integer_set(obj, -3));
 967         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 968                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 969         assert(!bt_value_integer_set(obj, 11));
 970         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 971         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 972                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 973         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 974         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 975         ok(ret,
 976                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 977         BT_PUT(obj);
 978
 979         obj = bt_value_integer_create_init(5);
 980         assert(obj);
 981         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 982                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 983         BT_PUT(obj);
 984         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 985                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 986         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 987                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 988         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 989                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 990         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 991                 "loglevel");
 992         int64_value = 0;
 993         ret = bt_value_integer_get(obj, &int64_value);
 994         ok(obj && !ret && int64_value == 5,
 995                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 996         BT_PUT(obj);
 997
 998         obj = bt_value_string_create_init("nu name");
 999         assert(obj);
1000         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1001         ret_string = bt_ctf_event_class_get_name(event_class);
1002         ok(!strcmp(ret_string, "nu name"),
1003                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1004         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1005         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1006         ok(ret,
1007                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1008         BT_PUT(obj);
1009         obj = bt_value_string_create_init("http://kernel.org/");
1010         assert(obj);
1011         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1012         BT_PUT(obj);
1013
1014         ok(bt_ctf_event_class_get_attribute_count(NULL),
1015                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1016         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1017                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1018         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1019                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1020         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1021                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1022         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1023                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1024         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1025                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1026
1027         memset(&attrs_count, 0, sizeof(attrs_count));
1028
1029         for (i = 0; i < 4; ++i) {
1030                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1031                         i);
1032                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1033                 assert(ret_string && obj);
1034
1035                 if (!strcmp(ret_string, "id")) {
1036                         attrs_count.id++;
1037                         ok(bt_value_is_integer(obj),
1038                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1039                                 ret_string);
1040                 } else if (!strcmp(ret_string, "name")) {
1041                         attrs_count.name++;
1042                         ok(bt_value_is_string(obj),
1043                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1044                                 ret_string);
1045                 } else if (!strcmp(ret_string, "loglevel")) {
1046                         attrs_count.loglevel++;
1047                         ok(bt_value_is_integer(obj),
1048                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1049                                 ret_string);
1050                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1051                         attrs_count.modelemfuri++;
1052                         ok(bt_value_is_string(obj),
1053                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1054                                 ret_string);
1055                 } else {
1056                         attrs_count.unknown++;
1057                 }
1058
1059                 BT_PUT(obj);
1060         }
1061
1062         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1063         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1064                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1065                 "event class has one instance of each known attribute");
1066
1067         /* Add event class to the stream class */
1068         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1069                 "Reject addition of NULL event class to a stream class");
1070         ok(bt_ctf_stream_class_add_event_class(stream_class,
1071                 event_class) == 0, "Add an event class to stream class");
1072
1073         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1074                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1075         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1076         ok(ret_stream_class == stream_class,
1077                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1078         bt_put(ret_stream_class);
1079
1080         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1081                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1082         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1083                 "bt_ctf_event_class_get_field_count returns a correct value");
1084
1085         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1086                 &ret_field_type, 0) < 0,
1087                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1088         ok(bt_ctf_event_class_get_field(event_class, NULL,
1089                 &ret_field_type, 0) == 0,
1090                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1091         bt_put(ret_field_type);
1092         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1093                 NULL, 0) == 0,
1094                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1095         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1096                 &ret_field_type, 42) < 0,
1097                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1098         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1099                 &ret_field_type, 0) == 0,
1100                 "bt_ctf_event_class_get_field returns a field");
1101         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1102                 "bt_ctf_event_class_get_field returns a correct field type");
1103         bt_put(ret_field_type);
1104         ok(!strcmp(ret_string, "uint_35"),
1105                 "bt_ctf_event_class_get_field returns a correct field name");
1106         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1107                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1108         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1109                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1110         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1111                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1112         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1113                 "complex_structure");
1114         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1115                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1116         bt_put(ret_field_type);
1117
1118         event = bt_ctf_event_create(event_class);
1119         ok(event, "Instanciate a complex event");
1120
1121         ok(bt_ctf_event_get_class(NULL) == NULL,
1122                 "bt_ctf_event_get_class handles NULL correctly");
1123         ret_event_class = bt_ctf_event_get_class(event);
1124         ok(ret_event_class == event_class,
1125                 "bt_ctf_event_get_class returns the correct event class");
1126         bt_put(ret_event_class);
1127
1128         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1129         if (!uint_35_field) {
1130                 printf("uint_35_field is NULL\n");
1131         }
1132
1133         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1134         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1135         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1136                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1137         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1138                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1139         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1140                 &ret_unsigned_int) == 0,
1141                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1142         ok(ret_unsigned_int == 0x0DDF00D,
1143                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1144         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1145                 &ret_signed_int) < 0,
1146                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1147         bt_put(uint_35_field);
1148
1149         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1150         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1151         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1152                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1153         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1154                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1155         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1156                 &ret_signed_int) == 0,
1157                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1158         ok(ret_signed_int == -12345,
1159                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1160         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1161                 &ret_unsigned_int) < 0,
1162                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1163         bt_put(int_16_field);
1164
1165         complex_structure_field = bt_ctf_event_get_payload(event,
1166                 "complex_structure");
1167
1168         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1169                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1170         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1171                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1172         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1173                 complex_structure_field, 3);
1174         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1175         bt_put(inner_structure_field);
1176         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1177                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1178         bt_put(ret_field_type);
1179
1180         inner_structure_field = bt_ctf_field_structure_get_field(
1181                 complex_structure_field, "inner_structure");
1182         a_string_field = bt_ctf_field_structure_get_field(
1183                 complex_structure_field, "a_string");
1184         enum_variant_field = bt_ctf_field_structure_get_field(
1185                 complex_structure_field, "variant_selector");
1186         variant_field = bt_ctf_field_structure_get_field(
1187                 complex_structure_field, "variant_value");
1188         uint_35_field = bt_ctf_field_structure_get_field(
1189                 inner_structure_field, "seq_len");
1190         a_sequence_field = bt_ctf_field_structure_get_field(
1191                 inner_structure_field, "a_sequence");
1192         an_array_field = bt_ctf_field_structure_get_field(
1193                 inner_structure_field, "an_array");
1194
1195         enum_container_field = bt_ctf_field_enumeration_get_container(
1196                 enum_variant_field);
1197         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1198         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1199                 enum_variant_field);
1200         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1201         bt_put(int_16_field);
1202         ok(!bt_ctf_field_string_get_value(a_string_field),
1203                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1204         bt_ctf_field_string_set_value(a_string_field,
1205                 test_string_1);
1206         ok(!bt_ctf_field_string_get_value(NULL),
1207                 "bt_ctf_field_string_get_value correctly handles NULL");
1208         ok(bt_ctf_field_string_append(NULL, "yeah"),
1209                 "bt_ctf_field_string_append correctly handles a NULL string field");
1210         ok(bt_ctf_field_string_append(a_string_field, NULL),
1211                 "bt_ctf_field_string_append correctly handles a NULL string value");
1212         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1213                 "bt_ctf_field_string_append succeeds");
1214         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1215                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1216         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1217                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1218         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1219                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1220         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1221                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1222         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1223                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1224         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1225                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1226
1227         ret_string = bt_ctf_field_string_get_value(a_string_field);
1228         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1229         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1230                 "bt_ctf_field_string_get_value returns a correct value");
1231         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1232                 SEQUENCE_TEST_LENGTH);
1233
1234         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1235                 enum_container_field) == NULL,
1236                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1237         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1238                 NULL) == NULL,
1239                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1240         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1241                 variant_type, enum_variant_field);
1242         ok(ret_field_type == int_16_type,
1243                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1244
1245         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1246                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1247         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1248                 uint_35_field) == 0, "Set a sequence field's length");
1249         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1250         ok(ret_field == uint_35_field,
1251                 "bt_ctf_field_sequence_get_length returns the correct length field");
1252         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1253                 "bt_ctf_field_sequence_get_length properly handles NULL");
1254
1255         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1256                 int_16_field = bt_ctf_field_sequence_get_field(
1257                         a_sequence_field, i);
1258                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1259                 bt_put(int_16_field);
1260         }
1261
1262         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1263                 int_16_field = bt_ctf_field_array_get_field(
1264                         an_array_field, i);
1265                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1266                 bt_put(int_16_field);
1267         }
1268
1269         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1270         assert(stream_event_ctx_field);
1271         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1272                 stream_event_ctx_field, "common_event_context");
1273         BT_PUT(stream_event_ctx_field);
1274         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1275         BT_PUT(stream_event_ctx_int_field);
1276
1277         bt_ctf_clock_set_time(clock, ++current_time);
1278         ok(bt_ctf_stream_append_event(stream, event) == 0,
1279                 "Append a complex event to a stream");
1280
1281         /*
1282          * Populate the custom packet context field with a dummy value
1283          * otherwise flush will fail.
1284          */
1285         packet_context = bt_ctf_stream_get_packet_context(stream);
1286         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1287                 "custom_packet_context_field");
1288         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1289
1290         ok(bt_ctf_stream_flush(stream) == 0,
1291                 "Flush a stream containing a complex event");
1292
1293         bt_put(uint_35_field);
1294         bt_put(a_string_field);
1295         bt_put(inner_structure_field);
1296         bt_put(complex_structure_field);
1297         bt_put(a_sequence_field);
1298         bt_put(an_array_field);
1299         bt_put(enum_variant_field);
1300         bt_put(enum_container_field);
1301         bt_put(variant_field);
1302         bt_put(ret_field);
1303         bt_put(packet_context_field);
1304         bt_put(packet_context);
1305         bt_put(uint_35_type);
1306         bt_put(int_16_type);
1307         bt_put(string_type);
1308         bt_put(sequence_type);
1309         bt_put(array_type);
1310         bt_put(inner_structure_type);
1311         bt_put(complex_structure_type);
1312         bt_put(uint_3_type);
1313         bt_put(enum_variant_type);
1314         bt_put(variant_type);
1315         bt_put(ret_field_type);
1316         bt_put(event_class);
1317         bt_put(event);
1318 }
1319
1320 static
1321 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1322                 struct bt_ctf_field_type *expected_type, const char *name)
1323 {
1324         struct bt_ctf_field_type *copy_type;
1325
1326         copy_type = bt_ctf_field_get_type(field);
1327         ok(copy_type == expected_type,
1328                 "bt_ctf_field_copy does not copy the type (%s)", name);
1329         bt_put(copy_type);
1330 }
1331
1332 static
1333 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1334                 struct bt_ctf_field *field_b, const char *name)
1335 {
1336         ok(field_a != field_b,
1337                 "bt_ctf_field_copy creates different pointers (%s)", name);
1338 }
1339
1340 static
1341 void field_copy_tests()
1342 {
1343         struct bt_ctf_field_type *len_type = NULL;
1344         struct bt_ctf_field_type *fp_type = NULL;
1345         struct bt_ctf_field_type *s_type = NULL;
1346         struct bt_ctf_field_type *e_int_type = NULL;
1347         struct bt_ctf_field_type *e_type = NULL;
1348         struct bt_ctf_field_type *v_type = NULL;
1349         struct bt_ctf_field_type *v_label1_type = NULL;
1350         struct bt_ctf_field_type *v_label1_array_type = NULL;
1351         struct bt_ctf_field_type *v_label2_type = NULL;
1352         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1353         struct bt_ctf_field_type *strct_type = NULL;
1354         struct bt_ctf_field *len = NULL;
1355         struct bt_ctf_field *fp = NULL;
1356         struct bt_ctf_field *s = NULL;
1357         struct bt_ctf_field *e_int = NULL;
1358         struct bt_ctf_field *e = NULL;
1359         struct bt_ctf_field *v = NULL;
1360         struct bt_ctf_field *v_selected = NULL;
1361         struct bt_ctf_field *v_selected_cur = NULL;
1362         struct bt_ctf_field *v_selected_0 = NULL;
1363         struct bt_ctf_field *v_selected_1 = NULL;
1364         struct bt_ctf_field *v_selected_2 = NULL;
1365         struct bt_ctf_field *v_selected_3 = NULL;
1366         struct bt_ctf_field *v_selected_4 = NULL;
1367         struct bt_ctf_field *v_selected_5 = NULL;
1368         struct bt_ctf_field *v_selected_6 = NULL;
1369         struct bt_ctf_field *a = NULL;
1370         struct bt_ctf_field *a_0 = NULL;
1371         struct bt_ctf_field *a_1 = NULL;
1372         struct bt_ctf_field *a_2 = NULL;
1373         struct bt_ctf_field *a_3 = NULL;
1374         struct bt_ctf_field *a_4 = NULL;
1375         struct bt_ctf_field *strct = NULL;
1376         struct bt_ctf_field *len_copy = NULL;
1377         struct bt_ctf_field *fp_copy = NULL;
1378         struct bt_ctf_field *s_copy = NULL;
1379         struct bt_ctf_field *e_int_copy = NULL;
1380         struct bt_ctf_field *e_copy = NULL;
1381         struct bt_ctf_field *v_copy = NULL;
1382         struct bt_ctf_field *v_selected_copy = NULL;
1383         struct bt_ctf_field *v_selected_copy_len = NULL;
1384         struct bt_ctf_field *v_selected_0_copy = NULL;
1385         struct bt_ctf_field *v_selected_1_copy = NULL;
1386         struct bt_ctf_field *v_selected_2_copy = NULL;
1387         struct bt_ctf_field *v_selected_3_copy = NULL;
1388         struct bt_ctf_field *v_selected_4_copy = NULL;
1389         struct bt_ctf_field *v_selected_5_copy = NULL;
1390         struct bt_ctf_field *v_selected_6_copy = NULL;
1391         struct bt_ctf_field *a_copy = NULL;
1392         struct bt_ctf_field *a_0_copy = NULL;
1393         struct bt_ctf_field *a_1_copy = NULL;
1394         struct bt_ctf_field *a_2_copy = NULL;
1395         struct bt_ctf_field *a_3_copy = NULL;
1396         struct bt_ctf_field *a_4_copy = NULL;
1397         struct bt_ctf_field *strct_copy = NULL;
1398         uint64_t uint64_t_val;
1399         const char *str_val;
1400         double double_val;
1401         int ret;
1402
1403         /* create len type */
1404         len_type = bt_ctf_field_type_integer_create(32);
1405         assert(len_type);
1406
1407         /* create fp type */
1408         fp_type = bt_ctf_field_type_floating_point_create();
1409         assert(fp_type);
1410
1411         /* create s type */
1412         s_type = bt_ctf_field_type_string_create();
1413         assert(s_type);
1414
1415         /* create e_int type */
1416         e_int_type = bt_ctf_field_type_integer_create(8);
1417         assert(e_int_type);
1418
1419         /* create e type */
1420         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1421         assert(e_type);
1422         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1423                 10, 15);
1424         assert(!ret);
1425         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1426                 23, 23);
1427         assert(!ret);
1428
1429         /* create v_label1 type */
1430         v_label1_type = bt_ctf_field_type_string_create();
1431         assert(v_label1_type);
1432
1433         /* create v_label1_array type */
1434         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1435         assert(v_label1_array_type);
1436
1437         /* create v_label2 type */
1438         v_label2_type = bt_ctf_field_type_integer_create(16);
1439         assert(v_label2_type);
1440
1441         /* create v_label2_seq type */
1442         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1443                 "len");
1444         assert(v_label2_seq_type);
1445
1446         /* create v type */
1447         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1448         assert(v_type);
1449         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1450                 "LABEL1");
1451         assert(!ret);
1452         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1453                 "LABEL2");
1454         assert(!ret);
1455
1456         /* create strct type */
1457         strct_type = bt_ctf_field_type_structure_create();
1458         assert(strct_type);
1459         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1460                 "len");
1461         assert(!ret);
1462         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1463         assert(!ret);
1464         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1465         assert(!ret);
1466         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1467         assert(!ret);
1468         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1469         assert(!ret);
1470         ret = bt_ctf_field_type_structure_add_field(strct_type,
1471                 v_label1_array_type, "a");
1472         assert(!ret);
1473
1474         /* create strct */
1475         strct = bt_ctf_field_create(strct_type);
1476         assert(strct);
1477
1478         /* get len field */
1479         len = bt_ctf_field_structure_get_field(strct, "len");
1480         assert(len);
1481
1482         /* get fp field */
1483         fp = bt_ctf_field_structure_get_field(strct, "fp");
1484         assert(fp);
1485
1486         /* get s field */
1487         s = bt_ctf_field_structure_get_field(strct, "s");
1488         assert(s);
1489
1490         /* get e field */
1491         e = bt_ctf_field_structure_get_field(strct, "e");
1492         assert(e);
1493
1494         /* get e_int (underlying integer) */
1495         e_int = bt_ctf_field_enumeration_get_container(e);
1496         assert(e_int);
1497
1498         /* get v field */
1499         v = bt_ctf_field_structure_get_field(strct, "v");
1500         assert(v);
1501
1502         /* get a field */
1503         a = bt_ctf_field_structure_get_field(strct, "a");
1504         assert(a);
1505
1506         /* set len field */
1507         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1508         assert(!ret);
1509
1510         /* set fp field */
1511         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1512         assert(!ret);
1513
1514         /* set s field */
1515         ret = bt_ctf_field_string_set_value(s, "btbt");
1516         assert(!ret);
1517
1518         /* set e field (LABEL2) */
1519         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1520         assert(!ret);
1521
1522         /* set v field */
1523         v_selected = bt_ctf_field_variant_get_field(v, e);
1524         assert(v_selected);
1525         ok(!bt_ctf_field_variant_get_current_field(NULL),
1526                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1527         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1528         ok(v_selected_cur == v_selected,
1529                 "bt_ctf_field_variant_get_current_field returns the current field");
1530         bt_put(v_selected_cur);
1531
1532         /* set selected v field */
1533         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1534         assert(!ret);
1535         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1536         assert(v_selected_0);
1537         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1538         assert(!ret);
1539         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1540         assert(v_selected_1);
1541         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1542         assert(!ret);
1543         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1544         assert(v_selected_2);
1545         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1546         assert(!ret);
1547         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1548         assert(v_selected_3);
1549         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1550         assert(!ret);
1551         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1552         assert(v_selected_4);
1553         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1554         assert(!ret);
1555         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1556         assert(v_selected_5);
1557         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1558         assert(!ret);
1559         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1560         assert(v_selected_6);
1561         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1562         assert(!ret);
1563
1564         /* set a field */
1565         a_0 = bt_ctf_field_array_get_field(a, 0);
1566         assert(a_0);
1567         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1568         assert(!ret);
1569         a_1 = bt_ctf_field_array_get_field(a, 1);
1570         assert(a_1);
1571         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1572         assert(!ret);
1573         a_2 = bt_ctf_field_array_get_field(a, 2);
1574         assert(a_2);
1575         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1576         assert(!ret);
1577         a_3 = bt_ctf_field_array_get_field(a, 3);
1578         assert(a_3);
1579         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1580         assert(!ret);
1581         a_4 = bt_ctf_field_array_get_field(a, 4);
1582         assert(a_4);
1583         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1584         assert(!ret);
1585
1586         /* create copy of strct */
1587         ok(!bt_ctf_field_copy(NULL),
1588                 "bt_ctf_field_copy handles NULL correctly");
1589         strct_copy = bt_ctf_field_copy(strct);
1590         ok(strct_copy,
1591                 "bt_ctf_field_copy returns a valid pointer");
1592
1593         /* get all copied fields */
1594         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1595         assert(len_copy);
1596         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1597         assert(fp_copy);
1598         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1599         assert(s_copy);
1600         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1601         assert(e_copy);
1602         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1603         assert(e_int_copy);
1604         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1605         assert(v_copy);
1606         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1607         assert(v_selected_copy);
1608         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1609         assert(v_selected_0_copy);
1610         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1611         assert(v_selected_1_copy);
1612         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1613         assert(v_selected_2_copy);
1614         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1615         assert(v_selected_3_copy);
1616         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1617         assert(v_selected_4_copy);
1618         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1619         assert(v_selected_5_copy);
1620         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1621         assert(v_selected_6_copy);
1622         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1623                 "sequence field copy is not too large");
1624         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1625         assert(a_copy);
1626         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1627         assert(a_0_copy);
1628         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1629         assert(a_1_copy);
1630         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1631         assert(a_2_copy);
1632         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1633         assert(a_3_copy);
1634         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1635         assert(a_4_copy);
1636         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1637                 "array field copy is not too large");
1638
1639         /* make sure copied fields are different pointers */
1640         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1641         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1642         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1643         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1644         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1645         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1646         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1647         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1648                 "v_selected");
1649         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1650                 "v_selected_0");
1651         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1652                 "v_selected_1");
1653         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1654                 "v_selected_2");
1655         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1656                 "v_selected_3");
1657         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1658                 "v_selected_4");
1659         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1660                 "v_selected_5");
1661         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1662                 "v_selected_6");
1663         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1664         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1665         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1666         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1667         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1668         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1669
1670         /* make sure copied fields share the same types */
1671         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1672         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1673         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1674         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1675         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1676         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1677         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1678                 "v_selected");
1679         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1680                 "v_selected_0");
1681         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1682                 "v_selected_1");
1683         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1684                 "v_selected_2");
1685         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1686                 "v_selected_3");
1687         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1688                 "v_selected_4");
1689         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1690                 "v_selected_5");
1691         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1692                 "v_selected_6");
1693         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1694         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1695         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1696         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1697         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1698         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1699
1700         /* validate len copy */
1701         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1702         assert(!ret);
1703         ok(uint64_t_val == 7,
1704                 "bt_ctf_field_copy creates a valid integer field copy");
1705
1706         /* validate fp copy */
1707         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1708         assert(!ret);
1709         ok(double_val == 3.14,
1710                 "bt_ctf_field_copy creates a valid floating point number field copy");
1711
1712         /* validate s copy */
1713         str_val = bt_ctf_field_string_get_value(s_copy);
1714         ok(str_val && !strcmp(str_val, "btbt"),
1715                 "bt_ctf_field_copy creates a valid string field copy");
1716
1717         /* validate e_int copy */
1718         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1719                 &uint64_t_val);
1720         assert(!ret);
1721         ok(uint64_t_val == 23,
1722                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1723
1724         /* validate e copy */
1725         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1726         ok(str_val && !strcmp(str_val, "LABEL2"),
1727                 "bt_ctf_field_copy creates a valid enum field copy");
1728
1729         /* validate v_selected copy */
1730         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1731         assert(v_selected_copy_len);
1732         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1733                 &uint64_t_val);
1734         assert(!ret);
1735         ok(uint64_t_val == 7,
1736                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1737         bt_put(v_selected_copy_len);
1738         v_selected_copy_len = NULL;
1739
1740         /* validate v_selected copy fields */
1741         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1742                 &uint64_t_val);
1743         assert(!ret);
1744         ok(uint64_t_val == 7,
1745                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1746         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1747                 &uint64_t_val);
1748         assert(!ret);
1749         ok(uint64_t_val == 6,
1750                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1751         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1752                 &uint64_t_val);
1753         assert(!ret);
1754         ok(uint64_t_val == 5,
1755                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1756         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1757                 &uint64_t_val);
1758         assert(!ret);
1759         ok(uint64_t_val == 4,
1760                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1761         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1762                 &uint64_t_val);
1763         assert(!ret);
1764         ok(uint64_t_val == 3,
1765                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1766         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1767                 &uint64_t_val);
1768         assert(!ret);
1769         ok(uint64_t_val == 2,
1770                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1771         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1772                 &uint64_t_val);
1773         assert(!ret);
1774         ok(uint64_t_val == 1,
1775                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1776
1777         /* validate a copy fields */
1778         str_val = bt_ctf_field_string_get_value(a_0_copy);
1779         ok(str_val && !strcmp(str_val, "a_0"),
1780                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1781         str_val = bt_ctf_field_string_get_value(a_1_copy);
1782         ok(str_val && !strcmp(str_val, "a_1"),
1783                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1784         str_val = bt_ctf_field_string_get_value(a_2_copy);
1785         ok(str_val && !strcmp(str_val, "a_2"),
1786                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1787         str_val = bt_ctf_field_string_get_value(a_3_copy);
1788         ok(str_val && !strcmp(str_val, "a_3"),
1789                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1790         str_val = bt_ctf_field_string_get_value(a_4_copy);
1791         ok(str_val && !strcmp(str_val, "a_4"),
1792                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1793
1794         /* put everything */
1795         bt_put(len_type);
1796         bt_put(fp_type);
1797         bt_put(s_type);
1798         bt_put(e_int_type);
1799         bt_put(e_type);
1800         bt_put(v_type);
1801         bt_put(v_label1_type);
1802         bt_put(v_label1_array_type);
1803         bt_put(v_label2_type);
1804         bt_put(v_label2_seq_type);
1805         bt_put(strct_type);
1806         bt_put(len);
1807         bt_put(fp);
1808         bt_put(s);
1809         bt_put(e_int);
1810         bt_put(e);
1811         bt_put(v);
1812         bt_put(v_selected);
1813         bt_put(v_selected_0);
1814         bt_put(v_selected_1);
1815         bt_put(v_selected_2);
1816         bt_put(v_selected_3);
1817         bt_put(v_selected_4);
1818         bt_put(v_selected_5);
1819         bt_put(v_selected_6);
1820         bt_put(a);
1821         bt_put(a_0);
1822         bt_put(a_1);
1823         bt_put(a_2);
1824         bt_put(a_3);
1825         bt_put(a_4);
1826         bt_put(strct);
1827         bt_put(len_copy);
1828         bt_put(fp_copy);
1829         bt_put(s_copy);
1830         bt_put(e_int_copy);
1831         bt_put(e_copy);
1832         bt_put(v_copy);
1833         bt_put(v_selected_copy);
1834         bt_put(v_selected_0_copy);
1835         bt_put(v_selected_1_copy);
1836         bt_put(v_selected_2_copy);
1837         bt_put(v_selected_3_copy);
1838         bt_put(v_selected_4_copy);
1839         bt_put(v_selected_5_copy);
1840         bt_put(v_selected_6_copy);
1841         bt_put(a_copy);
1842         bt_put(a_0_copy);
1843         bt_put(a_1_copy);
1844         bt_put(a_2_copy);
1845         bt_put(a_3_copy);
1846         bt_put(a_4_copy);
1847         bt_put(strct_copy);
1848 }
1849
1850 static
1851 void type_field_tests()
1852 {
1853         struct bt_ctf_field *uint_12;
1854         struct bt_ctf_field *int_16;
1855         struct bt_ctf_field *string;
1856         struct bt_ctf_field *enumeration;
1857         struct bt_ctf_field_type *composite_structure_type;
1858         struct bt_ctf_field_type *structure_seq_type;
1859         struct bt_ctf_field_type *string_type;
1860         struct bt_ctf_field_type *sequence_type;
1861         struct bt_ctf_field_type *uint_8_type;
1862         struct bt_ctf_field_type *int_16_type;
1863         struct bt_ctf_field_type *uint_12_type =
1864                 bt_ctf_field_type_integer_create(12);
1865         struct bt_ctf_field_type *enumeration_type;
1866         struct bt_ctf_field_type *returned_type;
1867         const char *ret_string;
1868
1869         returned_type = bt_ctf_field_get_type(NULL);
1870         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1871
1872         ok(uint_12_type, "Create an unsigned integer type");
1873         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1874                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1875                 "Set integer type's base as binary");
1876         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1877                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1878                 "Set integer type's base as decimal");
1879         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1880                 BT_CTF_INTEGER_BASE_UNKNOWN),
1881                 "Reject integer type's base set as unknown");
1882         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1883                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1884                 "Set integer type's base as octal");
1885         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1886                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1887                 "Set integer type's base as hexadecimal");
1888         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1889                 "Reject unknown integer base value");
1890         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1891                 "Set integer type signedness to signed");
1892         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1893                 "Set integer type signedness to unsigned");
1894         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1895                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1896         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1897                 "bt_ctf_field_type_integer_get_size returns a correct value");
1898         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1899                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1900         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1901                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1902
1903         ok(bt_ctf_field_type_set_byte_order(NULL,
1904                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1905                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1906         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1907                 (enum bt_ctf_byte_order) 42) < 0,
1908                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1909         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1910                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1911                 "Set an integer's byte order to little endian");
1912         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1913                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1914                 "Set an integer's byte order to big endian");
1915         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1916                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1917                 "bt_ctf_field_type_get_byte_order returns a correct value");
1918         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1919                 BT_CTF_BYTE_ORDER_UNKNOWN,
1920                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1921
1922         ok(bt_ctf_field_type_get_type_id(NULL) ==
1923                 BT_CTF_TYPE_ID_UNKNOWN,
1924                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1925         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1926                 BT_CTF_TYPE_ID_INTEGER,
1927                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1928
1929         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1930                 BT_CTF_INTEGER_BASE_UNKNOWN,
1931                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1932         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1933                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1934                 "bt_ctf_field_type_integer_get_base returns a correct value");
1935
1936         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1937                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1938                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1939         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1940                 (enum bt_ctf_string_encoding) 123) < 0,
1941                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1942         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1943                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1944                 "Set integer type encoding to UTF8");
1945         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1946                 BT_CTF_STRING_ENCODING_UNKNOWN,
1947                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1948         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1949                 BT_CTF_STRING_ENCODING_UTF8,
1950                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1951
1952         int_16_type = bt_ctf_field_type_integer_create(16);
1953         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1954         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1955                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1956         uint_8_type = bt_ctf_field_type_integer_create(8);
1957         sequence_type =
1958                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1959         ok(sequence_type, "Create a sequence of int16_t type");
1960         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1961                 BT_CTF_TYPE_ID_SEQUENCE,
1962                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1963
1964         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1965                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1966         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1967                 sequence_type);
1968         ok(!strcmp(ret_string, "seq_len"),
1969                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1970         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1971                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1972         returned_type = bt_ctf_field_type_sequence_get_element_type(
1973                 sequence_type);
1974         ok(returned_type == int_16_type,
1975                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1976         bt_put(returned_type);
1977
1978         string_type = bt_ctf_field_type_string_create();
1979         ok(string_type, "Create a string type");
1980         ok(bt_ctf_field_type_string_set_encoding(string_type,
1981                 BT_CTF_STRING_ENCODING_NONE),
1982                 "Reject invalid \"None\" string encoding");
1983         ok(bt_ctf_field_type_string_set_encoding(string_type,
1984                 42),
1985                 "Reject invalid string encoding");
1986         ok(bt_ctf_field_type_string_set_encoding(string_type,
1987                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1988                 "Set string encoding to ASCII");
1989
1990         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1991                 BT_CTF_STRING_ENCODING_UNKNOWN,
1992                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1993         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1994                 BT_CTF_STRING_ENCODING_ASCII,
1995                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1996
1997         structure_seq_type = bt_ctf_field_type_structure_create();
1998         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1999                 BT_CTF_TYPE_ID_STRUCT,
2000                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
2001         ok(structure_seq_type, "Create a structure type");
2002         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2003                 uint_8_type, "seq_len") == 0,
2004                 "Add a uint8_t type to a structure");
2005         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2006                 sequence_type, "a_sequence") == 0,
2007                 "Add a sequence type to a structure");
2008
2009         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2010                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2011         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2012                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2013
2014         ok(bt_ctf_field_type_structure_get_field(NULL,
2015                 &ret_string, &returned_type, 1) < 0,
2016                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2017         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2018                 NULL, &returned_type, 1) == 0,
2019                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2020         bt_put(returned_type);
2021         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2022                 &ret_string, NULL, 1) == 0,
2023                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2024         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2025                 &ret_string, &returned_type, 10) < 0,
2026                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2027         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2028                 &ret_string, &returned_type, 1) == 0,
2029                 "bt_ctf_field_type_structure_get_field returns a field");
2030         ok(!strcmp(ret_string, "a_sequence"),
2031                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2032         ok(returned_type == sequence_type,
2033                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2034         bt_put(returned_type);
2035
2036         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2037                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2038         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2039                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2040         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2041                 structure_seq_type, "a_sequence");
2042         ok(returned_type == sequence_type,
2043                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2044         bt_put(returned_type);
2045
2046         composite_structure_type = bt_ctf_field_type_structure_create();
2047         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2048                 string_type, "a_string") == 0,
2049                 "Add a string type to a structure");
2050         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2051                 structure_seq_type, "inner_structure") == 0,
2052                 "Add a structure type to a structure");
2053
2054         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2055                 NULL, "a_sequence") == NULL,
2056                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2057         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2058                 structure_seq_type, NULL) == NULL,
2059                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2060         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2061                 structure_seq_type, "a_sequence");
2062         ok(returned_type == sequence_type,
2063                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2064         bt_put(returned_type);
2065
2066         int_16 = bt_ctf_field_create(int_16_type);
2067         ok(int_16, "Instanciate a signed 16-bit integer");
2068         uint_12 = bt_ctf_field_create(uint_12_type);
2069         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2070         returned_type = bt_ctf_field_get_type(int_16);
2071         ok(returned_type == int_16_type,
2072                 "bt_ctf_field_get_type returns the correct type");
2073
2074         /* Can't modify types after instanciating them */
2075         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2076                 BT_CTF_INTEGER_BASE_DECIMAL),
2077                 "Check an integer type' base can't be modified after instanciation");
2078         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2079                 "Check an integer type's signedness can't be modified after instanciation");
2080
2081         /* Check signed property is checked */
2082         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2083                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2084         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2085                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2086
2087         /* Check overflows are properly tested for */
2088         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2089                 "Check -32768 is allowed for a signed 16-bit integer");
2090         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2091                 "Check 32767 is allowed for a signed 16-bit integer");
2092         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2093                 "Check 32768 is not allowed for a signed 16-bit integer");
2094         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2095                 "Check -32769 is not allowed for a signed 16-bit integer");
2096         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2097                 "Check -42 is allowed for a signed 16-bit integer");
2098
2099         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2100                 "Check 4095 is allowed for an unsigned 12-bit integer");
2101         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2102                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2103         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2104                 "Check 0 is allowed for an unsigned 12-bit integer");
2105
2106         string = bt_ctf_field_create(string_type);
2107         ok(string, "Instanciate a string field");
2108         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2109                 "Set a string's value");
2110
2111         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2112         ok(enumeration_type,
2113                 "Create an enumeration type with an unsigned 12-bit integer as container");
2114         enumeration = bt_ctf_field_create(enumeration_type);
2115         ok(!enumeration,
2116                 "Check enumeration types are validated before instantiation");
2117
2118         bt_put(string);
2119         bt_put(uint_12);
2120         bt_put(int_16);
2121         bt_put(enumeration);
2122         bt_put(composite_structure_type);
2123         bt_put(structure_seq_type);
2124         bt_put(string_type);
2125         bt_put(sequence_type);
2126         bt_put(uint_8_type);
2127         bt_put(int_16_type);
2128         bt_put(uint_12_type);
2129         bt_put(enumeration_type);
2130         bt_put(returned_type);
2131 }
2132
2133 static
2134 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2135                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2136 {
2137         /*
2138          * Append enough events to force the underlying packet to be resized.
2139          * Also tests that a new event can be declared after a stream has been
2140          * instantiated and used/flushed.
2141          */
2142         int ret = 0;
2143         int i;
2144         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2145                 "Spammy_Event");
2146         struct bt_ctf_field_type *integer_type =
2147                 bt_ctf_field_type_integer_create(17);
2148         struct bt_ctf_field_type *string_type =
2149                 bt_ctf_field_type_string_create();
2150         struct bt_ctf_event *event = NULL;
2151         struct bt_ctf_field *ret_field = NULL;
2152         struct bt_ctf_field_type *ret_field_type = NULL;
2153         uint64_t ret_uint64;
2154         int events_appended = 0;
2155         struct bt_ctf_field *packet_context = NULL,
2156                 *packet_context_field = NULL, *stream_event_context = NULL;
2157         struct bt_ctf_field_type *ep_field_1_type = NULL;
2158         struct bt_ctf_field_type *ep_a_string_type = NULL;
2159         struct bt_ctf_field_type *ep_type = NULL;
2160
2161         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2162                 "field_1");
2163         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2164                 "a_string");
2165         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2166         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2167         if (ret) {
2168                 goto end;
2169         }
2170
2171         /*
2172          * bt_ctf_stream_class_add_event_class() copies the field types
2173          * of event_class, so we retrieve the new ones to create the
2174          * appropriate fields.
2175          */
2176         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2177         assert(ep_type);
2178         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2179                 ep_type, "field_1");
2180         assert(ep_field_1_type);
2181         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2182                 ep_type, "a_string");
2183         assert(ep_a_string_type);
2184
2185         event = bt_ctf_event_create(event_class);
2186         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2187         ret_field_type = bt_ctf_field_get_type(ret_field);
2188         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2189                 "bt_ctf_event_get_payload_by_index returns a correct field");
2190         bt_put(ret_field_type);
2191         bt_put(ret_field);
2192
2193         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2194                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2195         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2196                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2197         bt_put(event);
2198
2199         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2200                 event = bt_ctf_event_create(event_class);
2201                 struct bt_ctf_field *integer =
2202                         bt_ctf_field_create(ep_field_1_type);
2203                 struct bt_ctf_field *string =
2204                         bt_ctf_field_create(ep_a_string_type);
2205
2206                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2207                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2208                 ret |= bt_ctf_event_set_payload(event, "field_1",
2209                         integer);
2210                 bt_put(integer);
2211                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2212                 ret |= bt_ctf_event_set_payload(event, "a_string",
2213                         string);
2214                 bt_put(string);
2215
2216                 /* Populate stream event context */
2217                 stream_event_context =
2218                         bt_ctf_event_get_stream_event_context(event);
2219                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2220                         "common_event_context");
2221                 BT_PUT(stream_event_context);
2222                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2223                         i % 42);
2224                 bt_put(integer);
2225
2226                 ret |= bt_ctf_stream_append_event(stream, event);
2227                 bt_put(event);
2228
2229                 if (ret) {
2230                         break;
2231                 }
2232         }
2233
2234         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2235         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2236                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2237         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2238                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2239         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2240         ok(ret == 0 && ret_uint64 == 0,
2241                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2242         bt_ctf_stream_append_discarded_events(stream, 1000);
2243         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2244         ok(ret == 0 && ret_uint64 == 1000,
2245                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2246
2247 end:
2248         ok(events_appended, "Append 100 000 events to a stream");
2249
2250         /*
2251          * Populate the custom packet context field with a dummy value
2252          * otherwise flush will fail.
2253          */
2254         packet_context = bt_ctf_stream_get_packet_context(stream);
2255         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2256                 "custom_packet_context_field");
2257         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2258
2259         ok(bt_ctf_stream_flush(stream) == 0,
2260                 "Flush a stream that forces a packet resize");
2261         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2262         ok(ret == 0 && ret_uint64 == 1000,
2263                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2264         bt_put(integer_type);
2265         bt_put(string_type);
2266         bt_put(packet_context);
2267         bt_put(packet_context_field);
2268         bt_put(stream_event_context);
2269         bt_put(event_class);
2270         bt_put(ep_field_1_type);
2271         bt_put(ep_a_string_type);
2272         bt_put(ep_type);
2273 }
2274
2275 static
2276 void test_empty_stream(struct bt_ctf_writer *writer)
2277 {
2278         int ret = 0;
2279         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2280         struct bt_ctf_stream_class *stream_class = NULL;
2281         struct bt_ctf_stream *stream = NULL;
2282
2283         trace = bt_ctf_writer_get_trace(writer);
2284         if (!trace) {
2285                 diag("Failed to get trace from writer");
2286                 ret = -1;
2287                 goto end;
2288         }
2289
2290         stream_class = bt_ctf_stream_class_create("empty_stream");
2291         if (!stream_class) {
2292                 diag("Failed to create stream class");
2293                 ret = -1;
2294                 goto end;
2295         }
2296
2297         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2298                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2299         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2300                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2301
2302         stream = bt_ctf_writer_create_stream(writer, stream_class);
2303         if (!stream) {
2304                 diag("Failed to create writer stream");
2305                 ret = -1;
2306                 goto end;
2307         }
2308
2309         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2310         ok(ret_trace == trace,
2311                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2312 end:
2313         ok(ret == 0,
2314                 "Created a stream class with default attributes and an empty stream");
2315         bt_put(trace);
2316         bt_put(ret_trace);
2317         bt_put(stream);
2318         bt_put(stream_class);
2319 }
2320
2321 static
2322 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2323 {
2324         int i, ret;
2325         struct bt_ctf_trace *trace = NULL;
2326         struct bt_ctf_clock *clock = NULL;
2327         struct bt_ctf_stream_class *stream_class = NULL;
2328         struct bt_ctf_stream *stream = NULL;
2329         struct bt_ctf_field_type *integer_type = NULL,
2330                 *sequence_type = NULL, *event_header_type = NULL;
2331         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2332                 *event_header = NULL, *packet_header = NULL;
2333         struct bt_ctf_event_class *event_class = NULL;
2334         struct bt_ctf_event *event = NULL;
2335
2336         trace = bt_ctf_writer_get_trace(writer);
2337         if (!trace) {
2338                 fail("Failed to get trace from writer");
2339                 goto end;
2340         }
2341
2342         clock = bt_ctf_trace_get_clock(trace, 0);
2343         if (!clock) {
2344                 fail("Failed to get clock from trace");
2345                 goto end;
2346         }
2347
2348         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2349         if (!stream_class) {
2350                 fail("Failed to create stream class");
2351                 goto end;
2352         }
2353
2354         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2355         if (ret) {
2356                 fail("Failed to set stream class clock");
2357                 goto end;
2358         }
2359
2360         /*
2361          * Customize event header to add an "seq_len" integer member
2362          * which will be used as the length of a sequence in an event of this
2363          * stream.
2364          */
2365         event_header_type = bt_ctf_stream_class_get_event_header_type(
2366                 stream_class);
2367         if (!event_header_type) {
2368                 fail("Failed to get event header type");
2369                 goto end;
2370         }
2371
2372         integer_type = bt_ctf_field_type_integer_create(13);
2373         if (!integer_type) {
2374                 fail("Failed to create length integer type");
2375                 goto end;
2376         }
2377
2378         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2379                 integer_type, "seq_len");
2380         if (ret) {
2381                 fail("Failed to add a new field to stream event header");
2382                 goto end;
2383         }
2384
2385         event_class = bt_ctf_event_class_create("sequence_event");
2386         if (!event_class) {
2387                 fail("Failed to create event class");
2388                 goto end;
2389         }
2390
2391         /*
2392          * This event's payload will contain a sequence which references
2393          * stream.event.header.seq_len as its length field.
2394          */
2395         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2396                 "stream.event.header.seq_len");
2397         if (!sequence_type) {
2398                 fail("Failed to create a sequence");
2399                 goto end;
2400         }
2401
2402         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2403                 "some_sequence");
2404         if (ret) {
2405                 fail("Failed to add a sequence to an event class");
2406                 goto end;
2407         }
2408
2409         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2410         if (ret) {
2411                 fail("Failed to add event class to stream class");
2412                 goto end;
2413         }
2414
2415         stream = bt_ctf_writer_create_stream(writer, stream_class);
2416         if (!stream) {
2417                 fail("Failed to create stream")
2418                 goto end;
2419         }
2420
2421         /*
2422          * We have defined a custom packet header field. We have to populate it
2423          * explicitly.
2424          */
2425         packet_header = bt_ctf_stream_get_packet_header(stream);
2426         if (!packet_header) {
2427                 fail("Failed to get stream packet header");
2428                 goto end;
2429         }
2430
2431         integer = bt_ctf_field_structure_get_field(packet_header,
2432                 "custom_trace_packet_header_field");
2433         if (!integer) {
2434                 fail("Failed to retrieve custom_trace_packet_header_field");
2435                 goto end;
2436         }
2437
2438         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2439         if (ret) {
2440                 fail("Failed to set custom_trace_packet_header_field value");
2441                 goto end;
2442         }
2443         bt_put(integer);
2444
2445         event = bt_ctf_event_create(event_class);
2446         if (!event) {
2447                 fail("Failed to create event");
2448                 goto end;
2449         }
2450
2451         event_header = bt_ctf_event_get_header(event);
2452         if (!event_header) {
2453                 fail("Failed to get event header");
2454                 goto end;
2455         }
2456
2457         integer = bt_ctf_field_structure_get_field(event_header,
2458                 "seq_len");
2459         if (!integer) {
2460                 fail("Failed to get seq_len field from event header");
2461                 goto end;
2462         }
2463
2464         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2465         if (ret) {
2466                 fail("Failed to set seq_len value in event header");
2467                 goto end;
2468         }
2469
2470         /* Populate both sequence integer fields */
2471         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2472         if (!sequence) {
2473                 fail("Failed to retrieve sequence from event");
2474                 goto end;
2475         }
2476
2477         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2478         if (ret) {
2479                 fail("Failed to set sequence length");
2480                 goto end;
2481         }
2482         bt_put(integer);
2483
2484         for (i = 0; i < 2; i++) {
2485                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2486                 if (ret) {
2487                         fail("Failed to retrieve sequence element");
2488                         goto end;
2489                 }
2490
2491                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2492                 if (ret) {
2493                         fail("Failed to set sequence element value");
2494                         goto end;
2495                 }
2496
2497                 bt_put(integer);
2498                 integer = NULL;
2499         }
2500
2501         ret = bt_ctf_stream_append_event(stream, event);
2502         if (ret) {
2503                 fail("Failed to append event to stream");
2504                 goto end;
2505         }
2506
2507         ret = bt_ctf_stream_flush(stream);
2508         if (ret) {
2509                 fail("Failed to flush custom_event_header stream");
2510         }
2511 end:
2512         bt_put(clock);
2513         bt_put(trace);
2514         bt_put(stream);
2515         bt_put(stream_class);
2516         bt_put(event_class);
2517         bt_put(event);
2518         bt_put(integer);
2519         bt_put(sequence);
2520         bt_put(event_header);
2521         bt_put(packet_header);
2522         bt_put(sequence_type);
2523         bt_put(integer_type);
2524         bt_put(event_header_type);
2525 }
2526
2527 static
2528 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2529 {
2530         int ret = 0;
2531         struct bt_ctf_trace *trace = NULL;
2532         struct bt_ctf_clock *clock = NULL;
2533         struct bt_ctf_stream_class *stream_class = NULL;
2534         struct bt_ctf_stream *stream = NULL,
2535                 *ret_stream = NULL;
2536         struct bt_ctf_event_class *event_class = NULL;
2537         struct bt_ctf_event *event = NULL;
2538         struct bt_ctf_field_type *integer_type = NULL;
2539         struct bt_ctf_field *integer = NULL;
2540
2541         trace = bt_ctf_writer_get_trace(writer);
2542         if (!trace) {
2543                 diag("Failed to get trace from writer");
2544                 ret = -1;
2545                 goto end;
2546         }
2547
2548         clock = bt_ctf_trace_get_clock(trace, 0);
2549         if (!clock) {
2550                 diag("Failed to get clock from trace");
2551                 ret = -1;
2552                 goto end;
2553         }
2554
2555         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2556         if (!stream_class) {
2557                 diag("Failed to create stream class");
2558                 ret = -1;
2559                 goto end;
2560         }
2561
2562         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2563         if (ret) {
2564                 diag("Failed to set stream class clock");
2565                 goto end;
2566         }
2567
2568         event_class = bt_ctf_event_class_create("some_event_class_name");
2569         integer_type = bt_ctf_field_type_integer_create(32);
2570         if (!integer_type) {
2571                 diag("Failed to create integer field type");
2572                 ret = -1;
2573                 goto end;
2574         }
2575
2576         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2577                 "integer_field");
2578         if (ret) {
2579                 diag("Failed to add field to event class");
2580                 goto end;
2581         }
2582
2583         ret = bt_ctf_stream_class_add_event_class(stream_class,
2584                 event_class);
2585         if (ret) {
2586                 diag("Failed to add event class to stream class");
2587         }
2588
2589         event = bt_ctf_event_create(event_class);
2590         if (!event) {
2591                 diag("Failed to create event");
2592                 ret = -1;
2593                 goto end;
2594         }
2595
2596         integer = bt_ctf_event_get_payload_by_index(event, 0);
2597         if (!integer) {
2598                 diag("Failed to get integer field payload from event");
2599                 ret = -1;
2600                 goto end;
2601         }
2602
2603         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2604         if (ret) {
2605                 diag("Failed to set integer field value");
2606                 goto end;
2607         }
2608
2609         stream = bt_ctf_writer_create_stream(writer, stream_class);
2610         if (!stream) {
2611                 diag("Failed to create writer stream");
2612                 ret = -1;
2613                 goto end;
2614         }
2615
2616         ok(bt_ctf_event_get_stream(NULL) == NULL,
2617                 "bt_ctf_event_get_stream handles NULL correctly");
2618         ok(bt_ctf_event_get_stream(event) == NULL,
2619                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2620
2621         ret = bt_ctf_stream_append_event(stream, event);
2622         if (ret) {
2623                 diag("Failed to append event to stream");
2624                 goto end;
2625         }
2626
2627         ret_stream = bt_ctf_event_get_stream(event);
2628         ok(ret_stream == stream,
2629                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2630 end:
2631         ok(ret == 0,
2632                 "Create an event before instanciating its associated stream");
2633         bt_put(trace);
2634         bt_put(stream);
2635         bt_put(ret_stream);
2636         bt_put(stream_class);
2637         bt_put(event_class);
2638         bt_put(event);
2639         bt_put(integer_type);
2640         bt_put(integer);
2641         bt_put(clock);
2642 }
2643
2644 static
2645 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2646 {
2647         struct bt_ctf_event_class *event_class;
2648
2649         event_class = bt_ctf_event_class_create("Simple Event");
2650         assert(event_class);
2651         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2652                 "two event classes with the same name cannot cohabit within the same stream class");
2653         bt_put(event_class);
2654
2655         event_class = bt_ctf_event_class_create("different name, ok");
2656         assert(event_class);
2657         assert(!bt_ctf_event_class_set_id(event_class, 11));
2658         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2659                 "two event classes with the same ID cannot cohabit within the same stream class");
2660         bt_put(event_class);
2661 }
2662
2663 static
2664 void test_trace_stream_class_clock(void)
2665 {
2666         struct bt_ctf_trace *trace = NULL;
2667         struct bt_ctf_stream_class *sc1 = NULL;
2668         struct bt_ctf_stream_class *sc2 = NULL;
2669         struct bt_ctf_clock *sc1_clock = NULL;
2670         struct bt_ctf_clock *sc2_clock = NULL;
2671         const char *clock_name = "hello";
2672
2673         trace = bt_ctf_trace_create();
2674         assert(trace);
2675         sc1 = bt_ctf_stream_class_create(NULL);
2676         assert(sc1);
2677         sc2 = bt_ctf_stream_class_create(NULL);
2678         assert(sc2);
2679         sc1_clock = bt_ctf_clock_create(clock_name);
2680         assert(sc1_clock);
2681         sc2_clock = bt_ctf_clock_create(clock_name);
2682         assert(sc2_clock);
2683
2684         ok(!bt_ctf_stream_class_set_clock(sc1, sc1_clock),
2685                 "bt_ctf_stream_class_set_clock() succeeds for sc1");
2686         ok(!bt_ctf_stream_class_set_clock(sc2, sc2_clock),
2687                 "bt_ctf_stream_class_set_clock() succeeds for sc2");
2688         ok(!bt_ctf_trace_add_stream_class(trace, sc1),
2689                 "bt_ctf_trace_add_stream_class() succeeds with sc1");
2690         ok(bt_ctf_trace_add_stream_class(trace, sc2),
2691                 "bt_ctf_trace_add_stream_class() fails with sc2 (different clock, same name)");
2692
2693         BT_PUT(trace);
2694         BT_PUT(sc1);
2695         BT_PUT(sc2);
2696         BT_PUT(sc1_clock);
2697         BT_PUT(sc2_clock);
2698 }
2699
2700 static
2701 struct bt_ctf_event_class *create_minimal_event_class(void)
2702 {
2703         struct bt_ctf_event_class *ec = NULL;
2704         struct bt_ctf_field_type *int_ft = NULL;
2705         int ret;
2706
2707         int_ft = bt_ctf_field_type_integer_create(23);
2708         assert(int_ft);
2709         ec = bt_ctf_event_class_create("minimal");
2710         assert(ec);
2711         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2712         assert(!ret);
2713         BT_PUT(int_ft);
2714
2715         return ec;
2716 }
2717
2718 static
2719 void test_create_writer_vs_non_writer_mode(void)
2720 {
2721         int ret;
2722         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2723         const char *writer_stream_name = "writer stream instance";
2724         struct bt_ctf_writer *writer = NULL;
2725         struct bt_ctf_trace *writer_trace = NULL;
2726         struct bt_ctf_stream_class *writer_sc = NULL;
2727         struct bt_ctf_stream *writer_stream = NULL;
2728         struct bt_ctf_stream *writer_stream2 = NULL;
2729         struct bt_ctf_stream *packet_stream = NULL;
2730         struct bt_ctf_trace *non_writer_trace = NULL;
2731         struct bt_ctf_stream_class *non_writer_sc = NULL;
2732         struct bt_ctf_stream *non_writer_stream = NULL;
2733         struct bt_ctf_stream *non_writer_stream2 = NULL;
2734         struct bt_ctf_event_class *writer_ec = NULL;
2735         struct bt_ctf_event_class *non_writer_ec = NULL;
2736         struct bt_ctf_event *event = NULL;
2737         struct bt_ctf_event *event2 = NULL;
2738         struct bt_ctf_field_type *empty_struct_ft = NULL;
2739         struct bt_ctf_field *int_field = NULL;
2740         struct bt_ctf_clock *writer_clock = NULL;
2741         struct bt_ctf_clock *non_writer_clock = NULL;
2742         struct bt_ctf_packet *packet = NULL;
2743         struct bt_ctf_packet *packet2 = NULL;
2744
2745         if (!bt_mkdtemp(trace_path)) {
2746                 perror("# perror");
2747         }
2748
2749         /* Create empty structure field type (event header) */
2750         empty_struct_ft = bt_ctf_field_type_structure_create();
2751         assert(empty_struct_ft);
2752
2753         /* Create writer, writer stream class, stream, and clock */
2754         writer = bt_ctf_writer_create(trace_path);
2755         assert(writer);
2756         writer_trace = bt_ctf_writer_get_trace(writer);
2757         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2758         writer_sc = bt_ctf_stream_class_create("writer_sc");
2759         assert(writer_sc);
2760         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2761                 empty_struct_ft);
2762         assert(!ret);
2763         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2764         assert(!ret);
2765         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2766         assert(writer_stream);
2767         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2768                 "bt_ctf_stream_get_name() returns the stream's name");
2769         writer_clock = bt_ctf_clock_create("writer_clock");
2770         assert(writer_clock);
2771         ret = bt_ctf_trace_add_clock(writer_trace, writer_clock);
2772         assert(!ret);
2773
2774         /* Create non-writer trace, stream class, stream, and clock */
2775         non_writer_trace = bt_ctf_trace_create();
2776         assert(non_writer_trace);
2777         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2778         assert(non_writer_sc);
2779         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2780                 empty_struct_ft);
2781         assert(!ret);
2782         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2783         assert(!ret);
2784         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2785         assert(non_writer_stream);
2786         non_writer_clock = bt_ctf_clock_create("non_writer_clock");
2787         assert(non_writer_clock);
2788         ret = bt_ctf_trace_add_clock(non_writer_trace, non_writer_clock);
2789         assert(!ret);
2790
2791         /* Create event class and event */
2792         writer_ec = create_minimal_event_class();
2793         assert(writer_ec);
2794         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2795         assert(!ret);
2796         event = bt_ctf_event_create(writer_ec);
2797         assert(event);
2798         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2799         assert(int_field);
2800         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2801
2802         /*
2803          * Verify non-writer stream: it should be impossible to append
2804          * an event to it.
2805          */
2806         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2807                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2808
2809         /*
2810          * Verify writer stream: it should be possible to append an
2811          * event to it.
2812          */
2813         ok(!bt_ctf_stream_append_event(writer_stream, event),
2814                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2815
2816         /*
2817          * Verify that it's possible to get and set the value of a
2818          * writer mode clock.
2819          */
2820         ok (!bt_ctf_clock_set_value(writer_clock, 1000),
2821                 "bt_ctf_clock_set_value() succeeds with a writer mode clock");
2822         ok (bt_ctf_clock_get_value(writer_clock) == 1000,
2823                 "bt_ctf_clock_get_value() succeeds with a writer mode clock");
2824
2825         /*
2826          * Verify that it's impossible to get and set the value of a
2827          * non-writer mode clock.
2828          */
2829         ok (bt_ctf_clock_set_value(non_writer_clock, 1000),
2830                 "bt_ctf_clock_set_value() fails with a non-writer mode clock");
2831         ok (bt_ctf_clock_get_value(non_writer_clock) == -1ULL,
2832                 "bt_ctf_clock_get_value() fails with a non-writer mode clock");
2833
2834         /*
2835          * It should be possible to create a packet from a non-writer
2836          * stream, but not from a writer stream.
2837          */
2838         packet = bt_ctf_packet_create(writer_stream);
2839         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2840         packet = bt_ctf_packet_create(non_writer_stream);
2841         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2842         packet_stream = bt_ctf_packet_get_stream(packet);
2843         ok(packet_stream == non_writer_stream,
2844                 "bt_ctf_packet_get_stream() returns the correct stream");
2845
2846         /*
2847          * It should not be possible to append an event associated to
2848          * a stream to a different stream.
2849          */
2850         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2851         assert(writer_stream2);
2852         ok(bt_ctf_stream_append_event(writer_stream2, event),
2853                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2854
2855         /*
2856          * It should not be possible to set the packet of an event
2857          * associated to a given stream to a packet associated with
2858          * a different stream.
2859          */
2860         ok(bt_ctf_event_set_packet(event, packet),
2861                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2862
2863         /*
2864          * It should be possible to set the packet of a fresh event, as
2865          * long as the originating stream classes are the same.
2866          */
2867         event2 = bt_ctf_event_create(writer_ec);
2868         assert(event2);
2869         ok(bt_ctf_event_set_packet(event2, packet),
2870                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2871         non_writer_ec = create_minimal_event_class();
2872         assert(non_writer_ec);
2873         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2874         assert(!ret);
2875         BT_PUT(event2);
2876         event2 = bt_ctf_event_create(non_writer_ec);
2877         assert(event2);
2878         ok(!bt_ctf_event_set_packet(event2, packet),
2879                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2880
2881         /*
2882          * It should be possible to set a packet created from the same
2883          * stream to an event with an existing packet.
2884          */
2885         packet2 = bt_ctf_packet_create(non_writer_stream);
2886         assert(packet2);
2887         ok(!bt_ctf_event_set_packet(event2, packet2),
2888                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2889         BT_PUT(packet2);
2890
2891         /*
2892          * It should not be possible to set a packet created from a
2893          * different stream to an event with an existing packet.
2894          */
2895         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2896         assert(non_writer_stream2);
2897         packet2 = bt_ctf_packet_create(non_writer_stream);
2898         assert(packet2);
2899         ok(!bt_ctf_event_set_packet(event2, packet2),
2900                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2901
2902         bt_put(writer);
2903         bt_put(writer_trace);
2904         bt_put(writer_sc);
2905         bt_put(writer_stream);
2906         bt_put(writer_stream2);
2907         bt_put(non_writer_trace);
2908         bt_put(non_writer_sc);
2909         bt_put(non_writer_stream);
2910         bt_put(non_writer_stream2);
2911         bt_put(packet_stream);
2912         bt_put(writer_ec);
2913         bt_put(non_writer_ec);
2914         bt_put(event);
2915         bt_put(event2);
2916         bt_put(int_field);
2917         bt_put(empty_struct_ft);
2918         bt_put(writer_clock);
2919         bt_put(non_writer_clock);
2920         bt_put(packet);
2921         bt_put(packet2);
2922         delete_trace(trace_path);
2923 }
2924
2925 static
2926 void test_clock_utils(void)
2927 {
2928         int ret;
2929         struct bt_ctf_clock *clock = NULL;
2930
2931         clock = bt_ctf_clock_create("water");
2932         assert(clock);
2933         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2934         assert(!ret);
2935         ret = bt_ctf_clock_set_offset(clock, 1000);
2936         assert(!ret);
2937         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2938         assert(!ret);
2939         ok(bt_ctf_clock_ns_from_value(clock, 4321) == 1234000005321ULL,
2940                 "bt_ctf_clock_ns_from_value() returns the correct value with a 1 GHz frequency");
2941         ret = bt_ctf_clock_set_frequency(clock, 1534);
2942         assert(!ret);
2943         ok(bt_ctf_clock_ns_from_value(clock, 4321) ==
2944                 (uint64_t) 1237468709256.845,
2945                 "bt_ctf_clock_ns_from_value() returns the correct value with a non-1 GHz frequency");
2946
2947         BT_PUT(clock);
2948 }
2949
2950 int main(int argc, char **argv)
2951 {
2952         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2953         char metadata_path[sizeof(trace_path) + 9];
2954         const char *clock_name = "test_clock";
2955         const char *clock_description = "This is a test clock";
2956         const char *returned_clock_name;
2957         const char *returned_clock_description;
2958         const uint64_t frequency = 1123456789;
2959         const int64_t offset_s = 1351530929945824323;
2960         const int64_t offset = 1234567;
2961         int64_t get_offset_s,
2962                 get_offset,
2963                 get_time;
2964         const uint64_t precision = 10;
2965         const int is_absolute = 0xFF;
2966         char *metadata_string;
2967         struct bt_ctf_writer *writer;
2968         struct utsname name;
2969         char hostname[BABELTRACE_HOST_NAME_MAX];
2970         struct bt_ctf_clock *clock, *ret_clock;
2971         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2972         struct bt_ctf_stream *stream1;
2973         const char *ret_string;
2974         const unsigned char *ret_uuid;
2975         unsigned char tmp_uuid[16] = { 0 };
2976         struct bt_ctf_field_type *packet_context_type,
2977                 *packet_context_field_type,
2978                 *packet_header_type,
2979                 *packet_header_field_type,
2980                 *integer_type,
2981                 *stream_event_context_type,
2982                 *ret_field_type,
2983                 *event_header_field_type;
2984         struct bt_ctf_field *packet_header, *packet_header_field;
2985         struct bt_ctf_trace *trace;
2986         int ret;
2987         int64_t ret_int64_t;
2988         struct bt_value *obj;
2989
2990         if (argc < 3) {
2991                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2992                 return -1;
2993         }
2994
2995         plan_tests(NR_TESTS);
2996
2997         if (!bt_mkdtemp(trace_path)) {
2998                 perror("# perror");
2999         }
3000
3001         strcpy(metadata_path, trace_path);
3002         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
3003
3004         writer = bt_ctf_writer_create(trace_path);
3005         ok(writer, "bt_ctf_create succeeds in creating trace with path");
3006
3007         ok(!bt_ctf_writer_get_trace(NULL),
3008                 "bt_ctf_writer_get_trace correctly handles NULL");
3009         trace = bt_ctf_writer_get_trace(writer);
3010         ok(trace,
3011                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
3012         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
3013                 "Set a trace's byte order to big endian");
3014         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
3015                 "bt_ctf_trace_get_byte_order returns a correct endianness");
3016
3017         /* Add environment context to the trace */
3018         ret = gethostname(hostname, sizeof(hostname));
3019         if (ret < 0) {
3020                 return ret;
3021         }
3022         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
3023                 "Add host (%s) environment field to writer instance",
3024                 hostname);
3025         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
3026                 "test_value"),
3027                 "bt_ctf_writer_add_environment_field error with NULL writer");
3028         ok(bt_ctf_writer_add_environment_field(writer, NULL,
3029                 "test_value"),
3030                 "bt_ctf_writer_add_environment_field error with NULL field name");
3031         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
3032                 NULL),
3033                 "bt_ctf_writer_add_environment_field error with NULL field value");
3034
3035         /* Test bt_ctf_trace_set_environment_field with an integer object */
3036         obj = bt_value_integer_create_init(23);
3037         assert(obj);
3038         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
3039                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
3040         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
3041                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
3042         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
3043                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
3044         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
3045                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
3046         BT_PUT(obj);
3047
3048         /* Test bt_ctf_trace_set_environment_field with a string object */
3049         obj = bt_value_string_create_init("the value");
3050         assert(obj);
3051         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
3052                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
3053         BT_PUT(obj);
3054
3055         /* Test bt_ctf_trace_set_environment_field_integer */
3056         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
3057                 -194875),
3058                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
3059         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
3060                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
3061         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3062                 -164973),
3063                 "bt_ctf_trace_set_environment_field_integer succeeds");
3064
3065         /* Test bt_ctf_trace_set_environment_field_string */
3066         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
3067                 "yeah"),
3068                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
3069         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
3070                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
3071         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3072                 NULL),
3073                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
3074         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3075                 "oh yeah"),
3076                 "bt_ctf_trace_set_environment_field_string succeeds");
3077
3078         /* Test bt_ctf_trace_get_environment_field_count */
3079         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
3080                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
3081         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3082                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
3083
3084         /* Test bt_ctf_trace_get_environment_field_name */
3085         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
3086                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
3087         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
3088                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
3089         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
3090                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
3091         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
3092         ok(ret_string && !strcmp(ret_string, "host"),
3093                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3094         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
3095         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
3096                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3097         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
3098         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3099                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3100         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
3101         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3102                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3103         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
3104         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3105                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3106
3107         /* Test bt_ctf_trace_get_environment_field_value */
3108         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
3109                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3110         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
3111                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3112         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
3113                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3114         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
3115         ret = bt_value_integer_get(obj, &ret_int64_t);
3116         ok(!ret && ret_int64_t == 23,
3117                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3118         BT_PUT(obj);
3119         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
3120         ret = bt_value_string_get(obj, &ret_string);
3121         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3122                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3123         BT_PUT(obj);
3124
3125         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3126         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3127                 "test_env_str"),
3128                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3129         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3130                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3131         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3132                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3133         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3134                 "test_env_str");
3135         ret = bt_value_string_get(obj, &ret_string);
3136         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3137                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3138         BT_PUT(obj);
3139
3140         /* Test environment field replacement */
3141         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3142                 654321),
3143                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3144         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3145                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3146         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
3147         ret = bt_value_integer_get(obj, &ret_int64_t);
3148         ok(!ret && ret_int64_t == 654321,
3149                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3150         BT_PUT(obj);
3151
3152         /* On Solaris, uname() can return any positive value on success */
3153         if (uname(&name) < 0) {
3154                 perror("uname");
3155                 return -1;
3156         }
3157
3158         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3159                 == 0, "Add sysname (%s) environment field to writer instance",
3160                 name.sysname);
3161         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3162                 name.nodename) == 0,
3163                 "Add nodename (%s) environment field to writer instance",
3164                 name.nodename);
3165         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3166                 == 0, "Add release (%s) environment field to writer instance",
3167                 name.release);
3168         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3169                 == 0, "Add version (%s) environment field to writer instance",
3170                 name.version);
3171         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3172                 == 0, "Add machine (%s) environment field to writer istance",
3173                 name.machine);
3174
3175         /* Define a clock and add it to the trace */
3176         ok(bt_ctf_clock_create("signed") == NULL,
3177                 "Illegal clock name rejected");
3178         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
3179         clock = bt_ctf_clock_create(clock_name);
3180         ok(clock, "Clock created sucessfully");
3181         returned_clock_name = bt_ctf_clock_get_name(clock);
3182         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3183         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3184                 "Returned clock name is valid");
3185
3186         returned_clock_description = bt_ctf_clock_get_description(clock);
3187         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3188         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3189                 "Clock description set successfully");
3190
3191         returned_clock_description = bt_ctf_clock_get_description(clock);
3192         ok(returned_clock_description,
3193                 "bt_ctf_clock_get_description returns a description.");
3194         ok(returned_clock_description ?
3195                 !strcmp(returned_clock_description, clock_description) : 0,
3196                 "Returned clock description is valid");
3197
3198         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3199                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3200         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3201                 "Set clock frequency");
3202         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3203                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3204
3205         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3206                 "bt_ctf_clock_get_offset_s succeeds");
3207         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3208                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3209         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3210                 "Set clock offset (seconds)");
3211         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3212                 "bt_ctf_clock_get_offset_s succeeds");
3213         ok(get_offset_s == offset_s,
3214                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3215
3216         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3217                 "bt_ctf_clock_get_offset succeeds");
3218         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3219                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3220         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3221         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3222                 "bt_ctf_clock_get_offset succeeds");
3223         ok(get_offset == offset,
3224                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3225
3226         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3227                 "bt_ctf_clock_get_precision returns the correct default precision");
3228         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3229                 "Set clock precision");
3230         ok(bt_ctf_clock_get_precision(clock) == precision,
3231                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3232
3233         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3234                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3235         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3236                 "Set clock absolute property");
3237         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3238                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3239
3240         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3241                 "bt_ctf_clock_get_time succeeds");
3242         ok(get_time == DEFAULT_CLOCK_TIME,
3243                 "bt_ctf_clock_get_time returns the correct default time");
3244         ok(bt_ctf_clock_get_value(clock) == DEFAULT_CLOCK_VALUE,
3245                 "bt_ctf_clock_get_value returns the correct default value");
3246         ok(bt_ctf_clock_set_value(clock, current_time) == 0,
3247                 "Set clock value");
3248         ok(bt_ctf_clock_get_value(clock) == current_time,
3249                 "bt_ctf_clock_get_value returns the correct value once it is set");
3250         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3251                 "Set clock time");
3252         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3253                 "bt_ctf_clock_get_time succeeds");
3254         ok(get_time >= current_time - 1 && get_time <= current_time + 1,
3255                 "bt_ctf_clock_get_time returns the correct time once it is set");
3256
3257         ok(!bt_ctf_clock_get_name(NULL),
3258                 "bt_ctf_clock_get_name correctly handles NULL");
3259         ok(!bt_ctf_clock_get_description(NULL),
3260                 "bt_ctf_clock_get_description correctly handles NULL");
3261         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3262                 "bt_ctf_clock_get_frequency correctly handles NULL");
3263         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3264                 "bt_ctf_clock_get_precision correctly handles NULL");
3265         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3266                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3267         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3268                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3269         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3270                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3271         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3272                 "bt_ctf_clock_get_offset correctly handles NULL output");
3273         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3274                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3275         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3276                 "bt_ctf_clock_get_time correctly handles NULL clock");
3277         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3278                 "bt_ctf_clock_get_time correctly handles NULL output");
3279
3280         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3281                 "bt_ctf_clock_set_description correctly handles NULL clock");
3282         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3283                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3284         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3285                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3286         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3287                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3288         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3289                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3290         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3291                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3292         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3293                 "bt_ctf_clock_set_time correctly handles NULL clock");
3294         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3295                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3296         ret_uuid = bt_ctf_clock_get_uuid(clock);
3297         ok(ret_uuid,
3298                 "bt_ctf_clock_get_uuid returns a UUID");
3299         if (ret_uuid) {
3300                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3301                 /* Slightly modify UUID */
3302                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3303         }
3304
3305         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3306                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3307         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3308                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3309         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3310                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3311         ret_uuid = bt_ctf_clock_get_uuid(clock);
3312         ok(ret_uuid,
3313                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3314         ok(uuid_match(ret_uuid, tmp_uuid),
3315                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3316
3317         /* Define a stream class */
3318         stream_class = bt_ctf_stream_class_create("test_stream");
3319
3320         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3321                 "bt_ctf_stream_class_get_name handles NULL correctly");
3322         ret_string = bt_ctf_stream_class_get_name(stream_class);
3323         ok(ret_string && !strcmp(ret_string, "test_stream"),
3324                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3325
3326         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3327                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3328         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3329                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3330
3331         ok(stream_class, "Create stream class");
3332         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3333                 "Set a stream class' clock");
3334         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3335         ok(ret_clock == clock,
3336                 "bt_ctf_stream_class_get_clock returns a correct clock");
3337         bt_put(ret_clock);
3338
3339         /* Test the event fields and event types APIs */
3340         type_field_tests();
3341
3342         /* Test fields copying */
3343         field_copy_tests();
3344
3345         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3346                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3347         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3348                 "bt_ctf_stream_class_get_id handles NULL correctly");
3349         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3350                 "bt_ctf_stream_class_set_id handles NULL correctly");
3351         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3352                 "Set an stream class' id");
3353         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3354                 "bt_ctf_stream_class_get_id returns the correct value");
3355
3356         /* Validate default event header fields */
3357         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3358                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3359         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3360                 stream_class);
3361         ok(ret_field_type,
3362                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3363         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3364                 "Default event header type is a structure");
3365         event_header_field_type =
3366                 bt_ctf_field_type_structure_get_field_type_by_name(
3367                 ret_field_type, "id");
3368         ok(event_header_field_type,
3369                 "Default event header type contains an \"id\" field");
3370         ok(bt_ctf_field_type_get_type_id(
3371                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3372                 "Default event header \"id\" field is an integer");
3373         bt_put(event_header_field_type);
3374         event_header_field_type =
3375                 bt_ctf_field_type_structure_get_field_type_by_name(
3376                 ret_field_type, "timestamp");
3377         ok(event_header_field_type,
3378                 "Default event header type contains a \"timestamp\" field");
3379         ok(bt_ctf_field_type_get_type_id(
3380                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3381                 "Default event header \"timestamp\" field is an integer");
3382         bt_put(event_header_field_type);
3383         bt_put(ret_field_type);
3384
3385         /* Add a custom trace packet header field */
3386         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3387                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3388         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3389         ok(packet_header_type,
3390                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3391         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3392                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3393         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3394                 packet_header_type, "magic");
3395         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3396         bt_put(ret_field_type);
3397         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3398                 packet_header_type, "uuid");
3399         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3400         bt_put(ret_field_type);
3401         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3402                 packet_header_type, "stream_id");
3403         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3404         bt_put(ret_field_type);
3405
3406         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3407         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3408                 packet_header_field_type, "custom_trace_packet_header_field"),
3409                 "Added a custom trace packet header field successfully");
3410
3411         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3412                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3413         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3414                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3415         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3416                 "Set a trace packet_header_type successfully");
3417
3418         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3419                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3420
3421         /* Add a custom field to the stream class' packet context */
3422         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3423         ok(packet_context_type,
3424                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3425         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3426                 "Packet context is a structure");
3427
3428         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3429                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3430         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3431                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3432
3433         integer_type = bt_ctf_field_type_integer_create(32);
3434         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3435                 integer_type) < 0,
3436                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3437         /* Create a "uint5_t" equivalent custom packet context field */
3438         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3439
3440         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3441                 packet_context_field_type, "custom_packet_context_field");
3442         ok(ret == 0, "Packet context field added successfully");
3443
3444         /* Define a stream event context containing a my_integer field. */
3445         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3446                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3447         ok(bt_ctf_stream_class_get_event_context_type(
3448                 stream_class) == NULL,
3449                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3450         stream_event_context_type = bt_ctf_field_type_structure_create();
3451         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3452                 integer_type, "common_event_context");
3453
3454         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3455                 stream_event_context_type) < 0,
3456                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3457         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3458                 NULL) < 0,
3459                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3460         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3461                 integer_type) < 0,
3462                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3463
3464         ok(bt_ctf_stream_class_set_event_context_type(
3465                 stream_class, stream_event_context_type) == 0,
3466                 "Set a new stream event context type");
3467         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3468                 stream_class);
3469         ok(ret_field_type == stream_event_context_type,
3470                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3471         bt_put(ret_field_type);
3472
3473         /* Instantiate a stream and append events */
3474         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3475         ok(stream1, "Instanciate a stream class from writer");
3476
3477         /*
3478          * Creating a stream through a writer adds the given stream
3479          * class to the writer's trace, thus registering the stream
3480          * class's clock to the trace.
3481          */
3482         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3483                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3484         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3485                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3486         ok(!bt_ctf_trace_get_clock(NULL, 0),
3487                 "bt_ctf_trace_get_clock correctly handles NULL");
3488         ok(!bt_ctf_trace_get_clock(trace, -1),
3489                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3490         ok(!bt_ctf_trace_get_clock(trace, 1),
3491                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3492         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3493         ok(ret_clock == clock,
3494                 "bt_ctf_trace_get_clock returns the right clock instance");
3495         bt_put(ret_clock);
3496         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3497                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3498         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3499                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3500         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3501                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3502         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3503         ok(ret_clock == clock,
3504                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3505         bt_put(ret_clock);
3506         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3507                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3508
3509         ok(bt_ctf_stream_get_class(NULL) == NULL,
3510                 "bt_ctf_stream_get_class correctly handles NULL");
3511         ret_stream_class = bt_ctf_stream_get_class(stream1);
3512         ok(ret_stream_class,
3513                 "bt_ctf_stream_get_class returns a stream class");
3514         ok(ret_stream_class == stream_class,
3515                 "Returned stream class is of the correct type");
3516
3517         /*
3518          * Packet header, packet context, event header, and stream
3519          * event context types were copied for the resolving
3520          * process
3521          */
3522         BT_PUT(packet_header_type);
3523         BT_PUT(packet_context_type);
3524         BT_PUT(stream_event_context_type);
3525         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3526         assert(packet_header_type);
3527         packet_context_type =
3528                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3529         assert(packet_context_type);
3530         stream_event_context_type =
3531                 bt_ctf_stream_class_get_event_context_type(stream_class);
3532         assert(stream_event_context_type);
3533
3534         /*
3535          * Try to modify the packet context type after a stream has been
3536          * created.
3537          */
3538         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3539                 packet_header_field_type, "should_fail");
3540         ok(ret < 0,
3541                 "Trace packet header type can't be modified once a stream has been instanciated");
3542
3543         /*
3544          * Try to modify the packet context type after a stream has been
3545          * created.
3546          */
3547         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3548                 packet_context_field_type, "should_fail");
3549         ok(ret < 0,
3550                 "Packet context type can't be modified once a stream has been instanciated");
3551
3552         /*
3553          * Try to modify the stream event context type after a stream has been
3554          * created.
3555          */
3556         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3557                 integer_type, "should_fail");
3558         ok(ret < 0,
3559                 "Stream event context type can't be modified once a stream has been instanciated");
3560
3561         /* Should fail after instanciating a stream (frozen) */
3562         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3563                 "Changes to a stream class that was already instantiated fail");
3564
3565         /* Populate the custom packet header field only once for all tests */
3566         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3567                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3568         packet_header = bt_ctf_stream_get_packet_header(stream1);
3569         ok(packet_header,
3570                 "bt_ctf_stream_get_packet_header returns a packet header");
3571         ret_field_type = bt_ctf_field_get_type(packet_header);
3572         ok(ret_field_type == packet_header_type,
3573                 "Stream returns a packet header of the appropriate type");
3574         bt_put(ret_field_type);
3575         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3576                 "custom_trace_packet_header_field");
3577         ok(packet_header_field,
3578                 "Packet header structure contains a custom field with the appropriate name");
3579         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3580         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3581                 "Custom packet header field is of the expected type");
3582         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3583                 54321), "Set custom packet header value successfully");
3584         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3585                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3586         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3587                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3588         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3589                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3590         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3591                 "Successfully set a stream's packet header");
3592
3593         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3594                 "Add environment field to writer after stream creation");
3595
3596         test_clock_utils();
3597
3598         test_trace_stream_class_clock();
3599
3600         test_create_writer_vs_non_writer_mode();
3601
3602         test_instanciate_event_before_stream(writer);
3603
3604         append_simple_event(stream_class, stream1, clock);
3605
3606         packet_resize_test(stream_class, stream1, clock);
3607
3608         append_complex_event(stream_class, stream1, clock);
3609
3610         append_existing_event_class(stream_class);
3611
3612         test_empty_stream(writer);
3613
3614         test_custom_event_header_stream(writer);
3615
3616         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3617         ok(metadata_string, "Get metadata string");
3618
3619         bt_ctf_writer_flush_metadata(writer);
3620         validate_metadata(argv[1], metadata_path);
3621         validate_trace(argv[2], trace_path);
3622
3623         bt_put(clock);
3624         bt_put(ret_stream_class);
3625         bt_put(writer);
3626         bt_put(stream1);
3627         bt_put(packet_context_type);
3628         bt_put(packet_context_field_type);
3629         bt_put(integer_type);
3630         bt_put(stream_event_context_type);
3631         bt_put(ret_field_type);
3632         bt_put(packet_header_type);
3633         bt_put(packet_header_field_type);
3634         bt_put(packet_header);
3635         bt_put(packet_header_field);
3636         bt_put(trace);
3637         free(metadata_string);
3638         bt_put(stream_class);
3639
3640         delete_trace(trace_path);
3641         return 0;
3642 }