tests/lib/test_ctf_writer.c

   1 /*
   2  * test_ctf_writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2017 - 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/ctf-ir/clock-class.h>
  31 #include <babeltrace/ref.h>
  32 #include <babeltrace/ctf/events.h>
  33 #include <babeltrace/values.h>
  34 #include <unistd.h>
  35 #include <babeltrace/compat/stdlib.h>
  36 #include <stdio.h>
  37 #include <sys/utsname.h>
  38 #include <babeltrace/compat/limits.h>
  39 #include <babeltrace/compat/stdio.h>
  40 #include <string.h>
  41 #include <assert.h>
  42 #include <sys/wait.h>
  43 #include <fcntl.h>
  44 #include <babeltrace/compat/dirent.h>
  45 #include "tap/tap.h"
  46 #include <math.h>
  47 #include <float.h>
  48 #include "common.h"
  49
  50 #define METADATA_LINE_SIZE 512
  51 #define SEQUENCE_TEST_LENGTH 10
  52 #define ARRAY_TEST_LENGTH 5
  53 #define PACKET_RESIZE_TEST_LENGTH 100000
  54
  55 #define DEFAULT_CLOCK_FREQ 1000000000
  56 #define DEFAULT_CLOCK_PRECISION 1
  57 #define DEFAULT_CLOCK_OFFSET 0
  58 #define DEFAULT_CLOCK_OFFSET_S 0
  59 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  60 #define DEFAULT_CLOCK_TIME 0
  61 #define DEFAULT_CLOCK_VALUE 0
  62
  63 #define NR_TESTS 602
  64
  65 static int64_t current_time = 42;
  66
  67 /* Return 1 if uuids match, zero if different. */
  68 static
  69 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  70 {
  71         int ret = 0;
  72         int i;
  73
  74         if (!uuid_a || !uuid_b) {
  75                 goto end;
  76         }
  77
  78         for (i = 0; i < 16; i++) {
  79                 if (uuid_a[i] != uuid_b[i]) {
  80                         goto end;
  81                 }
  82         }
  83
  84         ret = 1;
  85 end:
  86         return ret;
  87 }
  88
  89 static
  90 void validate_metadata(char *parser_path, char *metadata_path)
  91 {
  92         int ret = 0;
  93         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  94         int parser_output_fd = -1, metadata_fd = -1;
  95
  96         if (!metadata_path) {
  97                 ret = -1;
  98                 goto result;
  99         }
 100
 101         parser_output_fd = mkstemp(parser_output_path);
 102         metadata_fd = open(metadata_path, O_RDONLY);
 103
 104         unlink(parser_output_path);
 105
 106         if (parser_output_fd == -1 || metadata_fd == -1) {
 107                 diag("Failed create temporary files for metadata parsing.");
 108                 ret = -1;
 109                 goto result;
 110         }
 111
 112         pid_t pid = fork();
 113         if (pid) {
 114                 int status = 0;
 115                 waitpid(pid, &status, 0);
 116                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 117         } else {
 118                 /* ctf-parser-test expects a metadata string on stdin. */
 119                 ret = dup2(metadata_fd, STDIN_FILENO);
 120                 if (ret < 0) {
 121                         perror("# dup2 metadata_fd to STDIN");
 122                         goto result;
 123                 }
 124
 125                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 126                 if (ret < 0) {
 127                         perror("# dup2 parser_output_fd to STDOUT");
 128                         goto result;
 129                 }
 130
 131                 ret = dup2(parser_output_fd, STDERR_FILENO);
 132                 if (ret < 0) {
 133                         perror("# dup2 parser_output_fd to STDERR");
 134                         goto result;
 135                 }
 136
 137                 execl(parser_path, "ctf-parser-test", NULL);
 138                 perror("# Could not launch the ctf metadata parser process");
 139                 exit(-1);
 140         }
 141 result:
 142         ok(ret == 0, "Metadata string is valid");
 143
 144         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 145                 char *line;
 146                 size_t len = METADATA_LINE_SIZE;
 147                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 148
 149                 metadata_fp = fdopen(metadata_fd, "r");
 150                 if (!metadata_fp) {
 151                         perror("fdopen on metadata_fd");
 152                         goto close_fp;
 153                 }
 154                 metadata_fd = -1;
 155
 156                 parser_output_fp = fdopen(parser_output_fd, "r");
 157                 if (!parser_output_fp) {
 158                         perror("fdopen on parser_output_fd");
 159                         goto close_fp;
 160                 }
 161                 parser_output_fd = -1;
 162
 163                 line = malloc(len);
 164                 if (!line) {
 165                         diag("malloc failure");
 166                 }
 167
 168                 rewind(metadata_fp);
 169
 170                 /* Output the metadata and parser output as diagnostic */
 171                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 172                         fprintf(stderr, "# %s", line);
 173                 }
 174
 175                 rewind(parser_output_fp);
 176                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 177                         fprintf(stderr, "# %s", line);
 178                 }
 179
 180                 free(line);
 181 close_fp:
 182                 if (metadata_fp) {
 183                         if (fclose(metadata_fp)) {
 184                                 diag("fclose failure");
 185                         }
 186                 }
 187                 if (parser_output_fp) {
 188                         if (fclose(parser_output_fp)) {
 189                                 diag("fclose failure");
 190                         }
 191                 }
 192         }
 193
 194         if (parser_output_fd >= 0) {
 195                 if (close(parser_output_fd)) {
 196                         diag("close error");
 197                 }
 198         }
 199         if (metadata_fd >= 0) {
 200                 if (close(metadata_fd)) {
 201                         diag("close error");
 202                 }
 203         }
 204 }
 205
 206 static
 207 void validate_trace(char *parser_path, char *trace_path)
 208 {
 209         int ret = 0;
 210         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 211         int babeltrace_output_fd = -1;
 212
 213         if (!trace_path) {
 214                 ret = -1;
 215                 goto result;
 216         }
 217
 218         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 219         unlink(babeltrace_output_path);
 220
 221         if (babeltrace_output_fd == -1) {
 222                 diag("Failed to create a temporary file for trace parsing.");
 223                 ret = -1;
 224                 goto result;
 225         }
 226
 227         pid_t pid = fork();
 228         if (pid) {
 229                 int status = 0;
 230                 waitpid(pid, &status, 0);
 231                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 232         } else {
 233                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 234                 if (ret < 0) {
 235                         perror("# dup2 babeltrace_output_fd to STDOUT");
 236                         goto result;
 237                 }
 238
 239                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 240                 if (ret < 0) {
 241                         perror("# dup2 babeltrace_output_fd to STDERR");
 242                         goto result;
 243                 }
 244
 245                 execl(parser_path, "babeltrace", trace_path, NULL);
 246                 perror("# Could not launch the babeltrace process");
 247                 exit(-1);
 248         }
 249 result:
 250         ok(ret == 0, "Babeltrace could read the resulting trace");
 251
 252         if (ret && babeltrace_output_fd >= 0) {
 253                 char *line;
 254                 size_t len = METADATA_LINE_SIZE;
 255                 FILE *babeltrace_output_fp = NULL;
 256
 257                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 258                 if (!babeltrace_output_fp) {
 259                         perror("fdopen on babeltrace_output_fd");
 260                         goto close_fp;
 261                 }
 262                 babeltrace_output_fd = -1;
 263
 264                 line = malloc(len);
 265                 if (!line) {
 266                         diag("malloc error");
 267                 }
 268                 rewind(babeltrace_output_fp);
 269                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 270                         diag("%s", line);
 271                 }
 272
 273                 free(line);
 274 close_fp:
 275                 if (babeltrace_output_fp) {
 276                         if (fclose(babeltrace_output_fp)) {
 277                                 diag("fclose error");
 278                         }
 279                 }
 280         }
 281
 282         if (babeltrace_output_fd >= 0) {
 283                 if (close(babeltrace_output_fd)) {
 284                         diag("close error");
 285                 }
 286         }
 287 }
 288
 289 static
 290 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 291                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 292 {
 293         /* Create and add a simple event class */
 294         struct bt_ctf_event_class *simple_event_class =
 295                 bt_ctf_event_class_create("Simple Event");
 296         struct bt_ctf_field_type *uint_12_type =
 297                 bt_ctf_field_type_integer_create(12);
 298         struct bt_ctf_field_type *int_64_type =
 299                 bt_ctf_field_type_integer_create(64);
 300         struct bt_ctf_field_type *float_type =
 301                 bt_ctf_field_type_floating_point_create();
 302         struct bt_ctf_field_type *enum_type;
 303         struct bt_ctf_field_type *enum_type_unsigned =
 304                 bt_ctf_field_type_enumeration_create(uint_12_type);
 305         struct bt_ctf_field_type *event_context_type =
 306                 bt_ctf_field_type_structure_create();
 307         struct bt_ctf_field_type *event_payload_type = NULL;
 308         struct bt_ctf_field_type *returned_type;
 309         struct bt_ctf_event *simple_event;
 310         struct bt_ctf_field *integer_field;
 311         struct bt_ctf_field *float_field;
 312         struct bt_ctf_field *enum_field;
 313         struct bt_ctf_field *enum_field_unsigned;
 314         struct bt_ctf_field *enum_container_field;
 315         const char *mapping_name_test = "truie";
 316         const double double_test_value = 3.1415;
 317         struct bt_ctf_field *enum_container_field_unsigned;
 318         const char *mapping_name_negative_test = "negative_value";
 319         const char *ret_char;
 320         double ret_double;
 321         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 322         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 323         struct bt_ctf_event_class *ret_event_class;
 324         struct bt_ctf_field *packet_context;
 325         struct bt_ctf_field *packet_context_field;
 326         struct bt_ctf_field *stream_event_context;
 327         struct bt_ctf_field *stream_event_context_field;
 328         struct bt_ctf_field *event_context;
 329         struct bt_ctf_field *event_context_field;
 330         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 331         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 332         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 333         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 334         int ret;
 335
 336         ok(uint_12_type, "Create an unsigned integer type");
 337
 338         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 339                 "Set signed 64 bit integer signedness to true");
 340         ok(int_64_type, "Create a signed integer type");
 341         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 342
 343         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 344         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 345         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 346         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 347                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 348         bt_put(returned_type);
 349
 350         bt_ctf_field_type_set_alignment(float_type, 32);
 351         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 352                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 353         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 354                 "bt_ctf_field_type_get_alignment returns a correct value");
 355
 356         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 357                 "Set a floating point type's exponent digit count");
 358         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 359                 "Set a floating point type's mantissa digit count");
 360
 361         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 362                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 363         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 364                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 365         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 366                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 367         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 368                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 369
 370         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 371                 mapping_name_negative_test, -12345, 0) == 0,
 372                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 373         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 374                 "escaping; \"test\"", 1, 1) == 0,
 375                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 376         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 377                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 378                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 379         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 380                 "event clock int float", 5, 22) == 0,
 381                 "Accept enumeration mapping strings containing reserved keywords");
 382         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 383                 42, 42);
 384         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 385                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 386         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 387                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 388         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 389                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 390         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 391
 392         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 393         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 394
 395         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 396         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 397
 398         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 399         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 400         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 401                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 402         BT_PUT(iter);
 403
 404         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 405                 "enum_field") == 0, "Add signed enumeration field to event");
 406
 407         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 408                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 409                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 410         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 411                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 412                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 413         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 414                 NULL, &ret_range_end_int64_t) == 0,
 415                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 416         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 417                 &ret_range_start_int64_t, NULL) == 0,
 418                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 419         /* Assumes entries are sorted by range_start values. */
 420         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 421                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 422                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 423         ok(!strcmp(ret_char, mapping_name_test),
 424                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 425         ok(ret_range_start_int64_t == 42,
 426                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 427         ok(ret_range_end_int64_t == 42,
 428                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 429
 430         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 431                 "escaping; \"test\"", 0, 0) == 0,
 432                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 433         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 434                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 435                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 436         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 437                 "event clock int float", 5, 22) == 0,
 438                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 439         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 440                 42, 42);
 441         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 442                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 443         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 444                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 445         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 446                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 447         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 448                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 449
 450         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 451                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 452         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 453                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 454
 455         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 456                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 457                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 458         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 459                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 460                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 461         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 462                 NULL, &ret_range_end_uint64_t) == 0,
 463                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 464         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 465                 &ret_range_start_uint64_t, NULL) == 0,
 466                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 467         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 468                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 469                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 470         ok(!strcmp(ret_char, mapping_name_test),
 471                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 472         ok(ret_range_start_uint64_t == 42,
 473                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 474         ok(ret_range_end_uint64_t == 42,
 475                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 476
 477         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 478                 "integer_field");
 479         bt_ctf_event_class_add_field(simple_event_class, float_type,
 480                 "float_field");
 481
 482         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 483
 484         /* Set an event context type which will contain a single integer. */
 485         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 486                 "event_specific_context"),
 487                 "Add event specific context field");
 488         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 489                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 490         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 491                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 492
 493         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 494                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 495         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 496                 "Set an event class' context type successfully");
 497         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 498         ok(returned_type == event_context_type,
 499                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 500         bt_put(returned_type);
 501
 502         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 503                 "Adding simple event class to stream class");
 504
 505         /*
 506          * bt_ctf_stream_class_add_event_class() copies the field types
 507          * of simple_event_class, so we retrieve the new ones to create
 508          * the appropriate fields.
 509          */
 510         BT_PUT(event_context_type);
 511         BT_PUT(event_payload_type);
 512         event_payload_type = bt_ctf_event_class_get_payload_type(
 513                 simple_event_class);
 514         assert(event_payload_type);
 515         event_context_type = bt_ctf_event_class_get_context_type(
 516                 simple_event_class);
 517         assert(event_context_type);
 518         ep_integer_field_type =
 519                 bt_ctf_field_type_structure_get_field_type_by_name(
 520                         event_payload_type, "integer_field");
 521         assert(ep_integer_field_type);
 522         ep_enum_field_type =
 523                 bt_ctf_field_type_structure_get_field_type_by_name(
 524                         event_payload_type, "enum_field");
 525         assert(ep_enum_field_type);
 526         ep_enum_field_unsigned_type =
 527                 bt_ctf_field_type_structure_get_field_type_by_name(
 528                         event_payload_type, "enum_field_unsigned");
 529         assert(ep_enum_field_unsigned_type);
 530
 531         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 532                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 533         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 534                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 535         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 536                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 537         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 538                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 539         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 540         ok(ret_event_class == simple_event_class,
 541                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 542         bt_put(ret_event_class);
 543         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 544                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 545         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 546                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 547         ret_event_class =
 548                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 549         ok(ret_event_class == simple_event_class,
 550                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 551         bt_put(ret_event_class);
 552
 553         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 554                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 555         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 556                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 557         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 558                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 559         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 560         ok(ret_event_class == simple_event_class,
 561                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 562         bt_put(ret_event_class);
 563
 564         simple_event = bt_ctf_event_create(simple_event_class);
 565         ok(simple_event,
 566                 "Instantiate an event containing a single integer field");
 567
 568         integer_field = bt_ctf_field_create(ep_integer_field_type);
 569         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 570         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 571                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 572
 573         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 574         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 575                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 576         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 577         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 578                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 579         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 580                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 581         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 582                 "bt_ctf_field_floating_point_get_value returns a double value");
 583         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 584                 "bt_ctf_field_floating_point_get_value returns a correct value");
 585
 586         enum_field = bt_ctf_field_create(ep_enum_field_type);
 587         assert(enum_field);
 588
 589         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 590         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 591         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 592         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 593         enum_container_field = bt_ctf_field_enumeration_get_container(
 594                 enum_field);
 595         ok(bt_ctf_field_signed_integer_set_value(
 596                 enum_container_field, -42) == 0,
 597                 "Set signed enumeration container value");
 598         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 599         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 600         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 601         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 602         ok(!strcmp(ret_char, mapping_name_negative_test),
 603                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 604         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 605         assert(!ret);
 606         BT_PUT(iter);
 607
 608         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 609         assert(enum_field_unsigned);
 610         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 611                 enum_field_unsigned);
 612         ok(bt_ctf_field_unsigned_integer_set_value(
 613                 enum_container_field_unsigned, 42) == 0,
 614                 "Set unsigned enumeration container value");
 615         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 616                 enum_field_unsigned);
 617         assert(!ret);
 618         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 619         assert(iter);
 620         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 621         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 622                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 623
 624         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 625
 626         /* Populate stream event context */
 627         stream_event_context =
 628                 bt_ctf_event_get_stream_event_context(simple_event);
 629         assert(stream_event_context);
 630         stream_event_context_field = bt_ctf_field_structure_get_field(
 631                 stream_event_context, "common_event_context");
 632         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 633
 634         /* Populate the event's context */
 635         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 636                 "bt_ctf_event_get_event_context handles NULL correctly");
 637         event_context = bt_ctf_event_get_event_context(simple_event);
 638         ok(event_context,
 639                 "bt_ctf_event_get_event_context returns a field");
 640         returned_type = bt_ctf_field_get_type(event_context);
 641         ok(returned_type == event_context_type,
 642                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 643         event_context_field = bt_ctf_field_structure_get_field(event_context,
 644                 "event_specific_context");
 645         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 646                 "Successfully set an event context's value");
 647         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 648                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 649         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 650                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 651         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 652                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 653         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 654                 "Set an event context successfully");
 655
 656         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 657                 "Append simple event to trace stream");
 658
 659         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 660                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 661         packet_context = bt_ctf_stream_get_packet_context(stream);
 662         ok(packet_context,
 663                 "bt_ctf_stream_get_packet_context returns a packet context");
 664
 665         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 666                 "packet_size");
 667         ok(packet_context_field,
 668                 "Packet context contains the default packet_size field.");
 669         bt_put(packet_context_field);
 670         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 671                 "custom_packet_context_field");
 672         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 673                 "Custom packet context field value successfully set.");
 674
 675         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 676                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 677         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 678                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 679         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 680                 "Successfully set a stream's packet context");
 681
 682         ok(bt_ctf_stream_flush(stream) == 0,
 683                 "Flush trace stream with one event");
 684
 685         bt_put(simple_event_class);
 686         bt_put(simple_event);
 687         bt_put(uint_12_type);
 688         bt_put(int_64_type);
 689         bt_put(float_type);
 690         bt_put(enum_type);
 691         bt_put(enum_type_unsigned);
 692         bt_put(returned_type);
 693         bt_put(event_context_type);
 694         bt_put(integer_field);
 695         bt_put(float_field);
 696         bt_put(enum_field);
 697         bt_put(enum_field_unsigned);
 698         bt_put(enum_container_field);
 699         bt_put(enum_container_field_unsigned);
 700         bt_put(packet_context);
 701         bt_put(packet_context_field);
 702         bt_put(stream_event_context);
 703         bt_put(stream_event_context_field);
 704         bt_put(event_context);
 705         bt_put(event_context_field);
 706         bt_put(event_payload_type);
 707         bt_put(ep_integer_field_type);
 708         bt_put(ep_enum_field_type);
 709         bt_put(ep_enum_field_unsigned_type);
 710         bt_put(iter);
 711 }
 712
 713 static
 714 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 715                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 716 {
 717         struct event_class_attrs_counts {
 718                 int id;
 719                 int name;
 720                 int loglevel;
 721                 int modelemfuri;
 722                 int unknown;
 723         } attrs_count;
 724
 725         int i;
 726         int ret;
 727         int64_t int64_value;
 728         struct event_class_attrs_counts ;
 729         const char *complex_test_event_string = "Complex Test Event";
 730         const char *test_string_1 = "Test ";
 731         const char *test_string_2 = "string ";
 732         const char *test_string_3 = "abcdefghi";
 733         const char *test_string_4 = "abcd\0efg\0hi";
 734         const char *test_string_cat = "Test string abcdeabcd";
 735         struct bt_ctf_field_type *uint_35_type =
 736                 bt_ctf_field_type_integer_create(35);
 737         struct bt_ctf_field_type *int_16_type =
 738                 bt_ctf_field_type_integer_create(16);
 739         struct bt_ctf_field_type *uint_3_type =
 740                 bt_ctf_field_type_integer_create(3);
 741         struct bt_ctf_field_type *enum_variant_type =
 742                 bt_ctf_field_type_enumeration_create(uint_3_type);
 743         struct bt_ctf_field_type *variant_type =
 744                 bt_ctf_field_type_variant_create(enum_variant_type,
 745                         "variant_selector");
 746         struct bt_ctf_field_type *string_type =
 747                 bt_ctf_field_type_string_create();
 748         struct bt_ctf_field_type *sequence_type;
 749         struct bt_ctf_field_type *array_type;
 750         struct bt_ctf_field_type *inner_structure_type =
 751                 bt_ctf_field_type_structure_create();
 752         struct bt_ctf_field_type *complex_structure_type =
 753                 bt_ctf_field_type_structure_create();
 754         struct bt_ctf_field_type *ret_field_type;
 755         struct bt_ctf_event_class *event_class;
 756         struct bt_ctf_event *event;
 757         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 758                 *inner_structure_field, *complex_structure_field,
 759                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 760                 *variant_field, *an_array_field, *stream_event_ctx_field,
 761                 *stream_event_ctx_int_field, *ret_field;
 762         uint64_t ret_unsigned_int;
 763         int64_t ret_signed_int;
 764         const char *ret_string;
 765         struct bt_ctf_stream_class *ret_stream_class;
 766         struct bt_ctf_event_class *ret_event_class;
 767         struct bt_ctf_field *packet_context, *packet_context_field;
 768         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 769         struct bt_value *obj;
 770
 771         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 772                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 773         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 774                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 775         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 776                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 777         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 778                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 779         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 780                 "Set alignment of signed 16 bit integer to 32");
 781         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 782                 "Set integer signedness to true");
 783         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 784                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 785                 "Set signed 16 bit integer base to hexadecimal");
 786
 787         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 788         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 789                 "seq_len");
 790
 791         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 792                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 793         ret_field_type = bt_ctf_field_type_array_get_element_type(
 794                 array_type);
 795         ok(ret_field_type == int_16_type,
 796                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 797         bt_put(ret_field_type);
 798
 799         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 800                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 801         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 802                 "bt_ctf_field_type_array_get_length returns the correct length");
 803
 804         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 805                 inner_structure_type, "yes"), "Cannot add self to structure");
 806         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 807                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 808         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 809                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 810         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 811                 array_type, "an_array"), "Add an_array field to inner structure");
 812
 813         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 814                 "UINT3_TYPE", 0, 0);
 815         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 816                 "INT16_TYPE", 1, 1);
 817         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 818                 "UINT35_TYPE", 2, 7);
 819
 820         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 821         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 822
 823         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 824         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 825         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 826                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 827         BT_PUT(iter);
 828
 829         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 830         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 831
 832         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 833         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 834
 835         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 836         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 837         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 838                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 839         BT_PUT(iter);
 840
 841         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 842         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 843         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 844                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 845         BT_PUT(iter);
 846
 847         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 848                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 849         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 850                 "UINT3_TYPE") == 0, "Add a field to a variant");
 851         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 852                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 853         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 854                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 855
 856         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 857                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 858         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 859         ok(ret_field_type == enum_variant_type,
 860                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 861         bt_put(ret_field_type);
 862
 863         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 864                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 865         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 866         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 867                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 868         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 869                 "INT16_TYPE") == NULL,
 870                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 871         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 872                 NULL) == NULL,
 873                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 874         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 875                 variant_type, "INT16_TYPE");
 876         ok(ret_field_type == int_16_type,
 877                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 878         bt_put(ret_field_type);
 879
 880         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 881                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 882         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 883                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 884
 885         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 886                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 887         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 888                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 889         bt_put(ret_field_type);
 890         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 891                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 892         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 893                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 894         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 895                 "bt_ctf_field_type_variant_get_field returns a field");
 896         ok(!strcmp("INT16_TYPE", ret_string),
 897                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 898         ok(ret_field_type == int_16_type,
 899                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 900         bt_put(ret_field_type);
 901
 902         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 903                 enum_variant_type, "variant_selector"),
 904                 "Add variant_selector field to complex structure");
 905         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 906                 string_type, "a_string"), "Add a_string field to complex structure");
 907         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 908                 variant_type, "variant_value"),
 909                 "Add variant_value field to complex structure");
 910         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 911                 inner_structure_type, "inner_structure"),
 912                 "Add inner_structure field to complex structure");
 913
 914         ok(bt_ctf_event_class_create("clock") == NULL,
 915                 "Reject creation of an event class with an illegal name");
 916         event_class = bt_ctf_event_class_create(complex_test_event_string);
 917         ok(event_class, "Create an event class");
 918         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 919                 "Reject addition of a field with an empty name to an event");
 920         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 921                 "Reject addition of a field with a NULL type to an event");
 922         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 923                 "int"),
 924                 "Reject addition of a type with an illegal name to an event");
 925         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 926                 "uint_35") == 0,
 927                 "Add field of type unsigned integer to an event");
 928         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 929                 "int_16") == 0, "Add field of type signed integer to an event");
 930         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 931                 "complex_structure") == 0,
 932                 "Add composite structure to an event");
 933
 934         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 935                 "bt_ctf_event_class_get_name handles NULL correctly");
 936         ret_string = bt_ctf_event_class_get_name(event_class);
 937         ok(!strcmp(ret_string, complex_test_event_string),
 938                 "bt_ctf_event_class_get_name returns a correct name");
 939         ok(bt_ctf_event_class_get_id(event_class) < 0,
 940                 "bt_ctf_event_class_get_id returns a negative value when not set");
 941         ok(bt_ctf_event_class_get_id(NULL) < 0,
 942                 "bt_ctf_event_class_get_id handles NULL correctly");
 943         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 944                 "bt_ctf_event_class_set_id handles NULL correctly");
 945         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 946                 "Set an event class' id");
 947         ok(bt_ctf_event_class_get_id(event_class) == 42,
 948                 "bt_ctf_event_class_get_id returns the correct value");
 949
 950         /* Test event class attributes */
 951         obj = bt_value_integer_create_init(15);
 952         assert(obj);
 953         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 954                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 955         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 956                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 957         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 958                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 959         assert(!bt_value_integer_set(obj, -3));
 960         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 961                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 962         assert(!bt_value_integer_set(obj, 11));
 963         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 964         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 965                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 966         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 967         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 968         ok(ret,
 969                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 970         BT_PUT(obj);
 971
 972         obj = bt_value_integer_create_init(5);
 973         assert(obj);
 974         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 975                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 976         BT_PUT(obj);
 977         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 978                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 979         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 980                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 981         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 982                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 983         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 984                 "loglevel");
 985         int64_value = 0;
 986         ret = bt_value_integer_get(obj, &int64_value);
 987         ok(obj && !ret && int64_value == 5,
 988                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 989         BT_PUT(obj);
 990
 991         obj = bt_value_string_create_init("nu name");
 992         assert(obj);
 993         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 994         ret_string = bt_ctf_event_class_get_name(event_class);
 995         ok(!strcmp(ret_string, "nu name"),
 996                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 997         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 998         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 999         ok(ret,
1000                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1001         BT_PUT(obj);
1002         obj = bt_value_string_create_init("http://kernel.org/");
1003         assert(obj);
1004         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1005         BT_PUT(obj);
1006
1007         ok(bt_ctf_event_class_get_attribute_count(NULL),
1008                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1009         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1010                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1011         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1012                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1013         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1014                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1015         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1016                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1017         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1018                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1019
1020         memset(&attrs_count, 0, sizeof(attrs_count));
1021
1022         for (i = 0; i < 4; ++i) {
1023                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1024                         i);
1025                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1026                 assert(ret_string && obj);
1027
1028                 if (!strcmp(ret_string, "id")) {
1029                         attrs_count.id++;
1030                         ok(bt_value_is_integer(obj),
1031                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1032                                 ret_string);
1033                 } else if (!strcmp(ret_string, "name")) {
1034                         attrs_count.name++;
1035                         ok(bt_value_is_string(obj),
1036                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1037                                 ret_string);
1038                 } else if (!strcmp(ret_string, "loglevel")) {
1039                         attrs_count.loglevel++;
1040                         ok(bt_value_is_integer(obj),
1041                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1042                                 ret_string);
1043                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1044                         attrs_count.modelemfuri++;
1045                         ok(bt_value_is_string(obj),
1046                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1047                                 ret_string);
1048                 } else {
1049                         attrs_count.unknown++;
1050                 }
1051
1052                 BT_PUT(obj);
1053         }
1054
1055         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1056         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1057                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1058                 "event class has one instance of each known attribute");
1059
1060         /* Add event class to the stream class */
1061         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1062                 "Reject addition of NULL event class to a stream class");
1063         ok(bt_ctf_stream_class_add_event_class(stream_class,
1064                 event_class) == 0, "Add an event class to stream class");
1065
1066         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1067                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1068         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1069         ok(ret_stream_class == stream_class,
1070                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1071         bt_put(ret_stream_class);
1072
1073         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1074                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1075         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1076                 "bt_ctf_event_class_get_field_count returns a correct value");
1077
1078         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1079                 &ret_field_type, 0) < 0,
1080                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1081         ok(bt_ctf_event_class_get_field(event_class, NULL,
1082                 &ret_field_type, 0) == 0,
1083                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1084         bt_put(ret_field_type);
1085         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1086                 NULL, 0) == 0,
1087                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1088         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1089                 &ret_field_type, 42) < 0,
1090                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1091         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1092                 &ret_field_type, 0) == 0,
1093                 "bt_ctf_event_class_get_field returns a field");
1094         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1095                 "bt_ctf_event_class_get_field returns a correct field type");
1096         bt_put(ret_field_type);
1097         ok(!strcmp(ret_string, "uint_35"),
1098                 "bt_ctf_event_class_get_field returns a correct field name");
1099         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1100                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1101         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1102                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1103         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1104                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1105         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1106                 "complex_structure");
1107         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1108                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1109         bt_put(ret_field_type);
1110
1111         event = bt_ctf_event_create(event_class);
1112         ok(event, "Instanciate a complex event");
1113
1114         ok(bt_ctf_event_get_class(NULL) == NULL,
1115                 "bt_ctf_event_get_class handles NULL correctly");
1116         ret_event_class = bt_ctf_event_get_class(event);
1117         ok(ret_event_class == event_class,
1118                 "bt_ctf_event_get_class returns the correct event class");
1119         bt_put(ret_event_class);
1120
1121         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1122         if (!uint_35_field) {
1123                 printf("uint_35_field is NULL\n");
1124         }
1125
1126         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1127         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1128         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1129                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1130         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1131                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1132         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1133                 &ret_unsigned_int) == 0,
1134                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1135         ok(ret_unsigned_int == 0x0DDF00D,
1136                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1137         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1138                 &ret_signed_int) < 0,
1139                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1140         bt_put(uint_35_field);
1141
1142         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1143         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1144         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1145                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1146         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1147                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1148         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1149                 &ret_signed_int) == 0,
1150                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1151         ok(ret_signed_int == -12345,
1152                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1153         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1154                 &ret_unsigned_int) < 0,
1155                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1156         bt_put(int_16_field);
1157
1158         complex_structure_field = bt_ctf_event_get_payload(event,
1159                 "complex_structure");
1160
1161         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1162                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1163         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1164                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1165         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1166                 complex_structure_field, 3);
1167         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1168         bt_put(inner_structure_field);
1169         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1170                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1171         bt_put(ret_field_type);
1172
1173         inner_structure_field = bt_ctf_field_structure_get_field(
1174                 complex_structure_field, "inner_structure");
1175         a_string_field = bt_ctf_field_structure_get_field(
1176                 complex_structure_field, "a_string");
1177         enum_variant_field = bt_ctf_field_structure_get_field(
1178                 complex_structure_field, "variant_selector");
1179         variant_field = bt_ctf_field_structure_get_field(
1180                 complex_structure_field, "variant_value");
1181         uint_35_field = bt_ctf_field_structure_get_field(
1182                 inner_structure_field, "seq_len");
1183         a_sequence_field = bt_ctf_field_structure_get_field(
1184                 inner_structure_field, "a_sequence");
1185         an_array_field = bt_ctf_field_structure_get_field(
1186                 inner_structure_field, "an_array");
1187
1188         enum_container_field = bt_ctf_field_enumeration_get_container(
1189                 enum_variant_field);
1190         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1191         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1192                 enum_variant_field);
1193         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1194         bt_put(int_16_field);
1195         ok(!bt_ctf_field_string_get_value(a_string_field),
1196                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1197         bt_ctf_field_string_set_value(a_string_field,
1198                 test_string_1);
1199         ok(!bt_ctf_field_string_get_value(NULL),
1200                 "bt_ctf_field_string_get_value correctly handles NULL");
1201         ok(bt_ctf_field_string_append(NULL, "yeah"),
1202                 "bt_ctf_field_string_append correctly handles a NULL string field");
1203         ok(bt_ctf_field_string_append(a_string_field, NULL),
1204                 "bt_ctf_field_string_append correctly handles a NULL string value");
1205         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1206                 "bt_ctf_field_string_append succeeds");
1207         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1208                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1209         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1210                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1211         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1212                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1213         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1214                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1215         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1216                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1217         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1218                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1219
1220         ret_string = bt_ctf_field_string_get_value(a_string_field);
1221         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1222         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1223                 "bt_ctf_field_string_get_value returns a correct value");
1224         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1225                 SEQUENCE_TEST_LENGTH);
1226
1227         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1228                 enum_container_field) == NULL,
1229                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1230         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1231                 NULL) == NULL,
1232                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1233         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1234                 variant_type, enum_variant_field);
1235         ok(ret_field_type == int_16_type,
1236                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1237
1238         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1239                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1240         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1241                 uint_35_field) == 0, "Set a sequence field's length");
1242         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1243         ok(ret_field == uint_35_field,
1244                 "bt_ctf_field_sequence_get_length returns the correct length field");
1245         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1246                 "bt_ctf_field_sequence_get_length properly handles NULL");
1247
1248         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1249                 int_16_field = bt_ctf_field_sequence_get_field(
1250                         a_sequence_field, i);
1251                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1252                 bt_put(int_16_field);
1253         }
1254
1255         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1256                 int_16_field = bt_ctf_field_array_get_field(
1257                         an_array_field, i);
1258                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1259                 bt_put(int_16_field);
1260         }
1261
1262         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1263         assert(stream_event_ctx_field);
1264         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1265                 stream_event_ctx_field, "common_event_context");
1266         BT_PUT(stream_event_ctx_field);
1267         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1268         BT_PUT(stream_event_ctx_int_field);
1269
1270         bt_ctf_clock_set_time(clock, ++current_time);
1271         ok(bt_ctf_stream_append_event(stream, event) == 0,
1272                 "Append a complex event to a stream");
1273
1274         /*
1275          * Populate the custom packet context field with a dummy value
1276          * otherwise flush will fail.
1277          */
1278         packet_context = bt_ctf_stream_get_packet_context(stream);
1279         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1280                 "custom_packet_context_field");
1281         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1282
1283         ok(bt_ctf_stream_flush(stream) == 0,
1284                 "Flush a stream containing a complex event");
1285
1286         bt_put(uint_35_field);
1287         bt_put(a_string_field);
1288         bt_put(inner_structure_field);
1289         bt_put(complex_structure_field);
1290         bt_put(a_sequence_field);
1291         bt_put(an_array_field);
1292         bt_put(enum_variant_field);
1293         bt_put(enum_container_field);
1294         bt_put(variant_field);
1295         bt_put(ret_field);
1296         bt_put(packet_context_field);
1297         bt_put(packet_context);
1298         bt_put(uint_35_type);
1299         bt_put(int_16_type);
1300         bt_put(string_type);
1301         bt_put(sequence_type);
1302         bt_put(array_type);
1303         bt_put(inner_structure_type);
1304         bt_put(complex_structure_type);
1305         bt_put(uint_3_type);
1306         bt_put(enum_variant_type);
1307         bt_put(variant_type);
1308         bt_put(ret_field_type);
1309         bt_put(event_class);
1310         bt_put(event);
1311 }
1312
1313 static
1314 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1315                 struct bt_ctf_field_type *expected_type, const char *name)
1316 {
1317         struct bt_ctf_field_type *copy_type;
1318
1319         copy_type = bt_ctf_field_get_type(field);
1320         ok(copy_type == expected_type,
1321                 "bt_ctf_field_copy does not copy the type (%s)", name);
1322         bt_put(copy_type);
1323 }
1324
1325 static
1326 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1327                 struct bt_ctf_field *field_b, const char *name)
1328 {
1329         ok(field_a != field_b,
1330                 "bt_ctf_field_copy creates different pointers (%s)", name);
1331 }
1332
1333 static
1334 void field_copy_tests()
1335 {
1336         struct bt_ctf_field_type *len_type = NULL;
1337         struct bt_ctf_field_type *fp_type = NULL;
1338         struct bt_ctf_field_type *s_type = NULL;
1339         struct bt_ctf_field_type *e_int_type = NULL;
1340         struct bt_ctf_field_type *e_type = NULL;
1341         struct bt_ctf_field_type *v_type = NULL;
1342         struct bt_ctf_field_type *v_label1_type = NULL;
1343         struct bt_ctf_field_type *v_label1_array_type = NULL;
1344         struct bt_ctf_field_type *v_label2_type = NULL;
1345         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1346         struct bt_ctf_field_type *strct_type = NULL;
1347         struct bt_ctf_field *len = NULL;
1348         struct bt_ctf_field *fp = NULL;
1349         struct bt_ctf_field *s = NULL;
1350         struct bt_ctf_field *e_int = NULL;
1351         struct bt_ctf_field *e = NULL;
1352         struct bt_ctf_field *v = NULL;
1353         struct bt_ctf_field *v_selected = NULL;
1354         struct bt_ctf_field *v_selected_cur = NULL;
1355         struct bt_ctf_field *v_selected_0 = NULL;
1356         struct bt_ctf_field *v_selected_1 = NULL;
1357         struct bt_ctf_field *v_selected_2 = NULL;
1358         struct bt_ctf_field *v_selected_3 = NULL;
1359         struct bt_ctf_field *v_selected_4 = NULL;
1360         struct bt_ctf_field *v_selected_5 = NULL;
1361         struct bt_ctf_field *v_selected_6 = NULL;
1362         struct bt_ctf_field *a = NULL;
1363         struct bt_ctf_field *a_0 = NULL;
1364         struct bt_ctf_field *a_1 = NULL;
1365         struct bt_ctf_field *a_2 = NULL;
1366         struct bt_ctf_field *a_3 = NULL;
1367         struct bt_ctf_field *a_4 = NULL;
1368         struct bt_ctf_field *strct = NULL;
1369         struct bt_ctf_field *len_copy = NULL;
1370         struct bt_ctf_field *fp_copy = NULL;
1371         struct bt_ctf_field *s_copy = NULL;
1372         struct bt_ctf_field *e_int_copy = NULL;
1373         struct bt_ctf_field *e_copy = NULL;
1374         struct bt_ctf_field *v_copy = NULL;
1375         struct bt_ctf_field *v_selected_copy = NULL;
1376         struct bt_ctf_field *v_selected_copy_len = NULL;
1377         struct bt_ctf_field *v_selected_0_copy = NULL;
1378         struct bt_ctf_field *v_selected_1_copy = NULL;
1379         struct bt_ctf_field *v_selected_2_copy = NULL;
1380         struct bt_ctf_field *v_selected_3_copy = NULL;
1381         struct bt_ctf_field *v_selected_4_copy = NULL;
1382         struct bt_ctf_field *v_selected_5_copy = NULL;
1383         struct bt_ctf_field *v_selected_6_copy = NULL;
1384         struct bt_ctf_field *a_copy = NULL;
1385         struct bt_ctf_field *a_0_copy = NULL;
1386         struct bt_ctf_field *a_1_copy = NULL;
1387         struct bt_ctf_field *a_2_copy = NULL;
1388         struct bt_ctf_field *a_3_copy = NULL;
1389         struct bt_ctf_field *a_4_copy = NULL;
1390         struct bt_ctf_field *strct_copy = NULL;
1391         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1392         uint64_t uint64_t_val;
1393         const char *str_val;
1394         double double_val;
1395         int ret;
1396
1397         /* create len type */
1398         len_type = bt_ctf_field_type_integer_create(32);
1399         assert(len_type);
1400
1401         /* create fp type */
1402         fp_type = bt_ctf_field_type_floating_point_create();
1403         assert(fp_type);
1404
1405         /* create s type */
1406         s_type = bt_ctf_field_type_string_create();
1407         assert(s_type);
1408
1409         /* create e_int type */
1410         e_int_type = bt_ctf_field_type_integer_create(8);
1411         assert(e_int_type);
1412
1413         /* create e type */
1414         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1415         assert(e_type);
1416         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1417                 10, 15);
1418         assert(!ret);
1419         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1420                 23, 23);
1421         assert(!ret);
1422
1423         /* create v_label1 type */
1424         v_label1_type = bt_ctf_field_type_string_create();
1425         assert(v_label1_type);
1426
1427         /* create v_label1_array type */
1428         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1429         assert(v_label1_array_type);
1430
1431         /* create v_label2 type */
1432         v_label2_type = bt_ctf_field_type_integer_create(16);
1433         assert(v_label2_type);
1434
1435         /* create v_label2_seq type */
1436         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1437                 "len");
1438         assert(v_label2_seq_type);
1439
1440         /* create v type */
1441         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1442         assert(v_type);
1443         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1444                 "LABEL1");
1445         assert(!ret);
1446         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1447                 "LABEL2");
1448         assert(!ret);
1449
1450         /* create strct type */
1451         strct_type = bt_ctf_field_type_structure_create();
1452         assert(strct_type);
1453         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1454                 "len");
1455         assert(!ret);
1456         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1457         assert(!ret);
1458         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1459         assert(!ret);
1460         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1461         assert(!ret);
1462         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1463         assert(!ret);
1464         ret = bt_ctf_field_type_structure_add_field(strct_type,
1465                 v_label1_array_type, "a");
1466         assert(!ret);
1467
1468         /* create strct */
1469         strct = bt_ctf_field_create(strct_type);
1470         assert(strct);
1471
1472         /* get len field */
1473         len = bt_ctf_field_structure_get_field(strct, "len");
1474         assert(len);
1475
1476         /* get fp field */
1477         fp = bt_ctf_field_structure_get_field(strct, "fp");
1478         assert(fp);
1479
1480         /* get s field */
1481         s = bt_ctf_field_structure_get_field(strct, "s");
1482         assert(s);
1483
1484         /* get e field */
1485         e = bt_ctf_field_structure_get_field(strct, "e");
1486         assert(e);
1487
1488         /* get e_int (underlying integer) */
1489         e_int = bt_ctf_field_enumeration_get_container(e);
1490         assert(e_int);
1491
1492         /* get v field */
1493         v = bt_ctf_field_structure_get_field(strct, "v");
1494         assert(v);
1495
1496         /* get a field */
1497         a = bt_ctf_field_structure_get_field(strct, "a");
1498         assert(a);
1499
1500         /* set len field */
1501         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1502         assert(!ret);
1503
1504         /* set fp field */
1505         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1506         assert(!ret);
1507
1508         /* set s field */
1509         ret = bt_ctf_field_string_set_value(s, "btbt");
1510         assert(!ret);
1511
1512         /* set e field (LABEL2) */
1513         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1514         assert(!ret);
1515
1516         /* set v field */
1517         v_selected = bt_ctf_field_variant_get_field(v, e);
1518         assert(v_selected);
1519         ok(!bt_ctf_field_variant_get_current_field(NULL),
1520                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1521         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1522         ok(v_selected_cur == v_selected,
1523                 "bt_ctf_field_variant_get_current_field returns the current field");
1524         bt_put(v_selected_cur);
1525
1526         /* set selected v field */
1527         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1528         assert(!ret);
1529         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1530         assert(v_selected_0);
1531         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1532         assert(!ret);
1533         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1534         assert(v_selected_1);
1535         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1536         assert(!ret);
1537         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1538         assert(v_selected_2);
1539         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1540         assert(!ret);
1541         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1542         assert(v_selected_3);
1543         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1544         assert(!ret);
1545         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1546         assert(v_selected_4);
1547         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1548         assert(!ret);
1549         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1550         assert(v_selected_5);
1551         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1552         assert(!ret);
1553         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1554         assert(v_selected_6);
1555         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1556         assert(!ret);
1557
1558         /* set a field */
1559         a_0 = bt_ctf_field_array_get_field(a, 0);
1560         assert(a_0);
1561         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1562         assert(!ret);
1563         a_1 = bt_ctf_field_array_get_field(a, 1);
1564         assert(a_1);
1565         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1566         assert(!ret);
1567         a_2 = bt_ctf_field_array_get_field(a, 2);
1568         assert(a_2);
1569         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1570         assert(!ret);
1571         a_3 = bt_ctf_field_array_get_field(a, 3);
1572         assert(a_3);
1573         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1574         assert(!ret);
1575         a_4 = bt_ctf_field_array_get_field(a, 4);
1576         assert(a_4);
1577         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1578         assert(!ret);
1579
1580         /* create copy of strct */
1581         ok(!bt_ctf_field_copy(NULL),
1582                 "bt_ctf_field_copy handles NULL correctly");
1583         strct_copy = bt_ctf_field_copy(strct);
1584         ok(strct_copy,
1585                 "bt_ctf_field_copy returns a valid pointer");
1586
1587         /* get all copied fields */
1588         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1589         assert(len_copy);
1590         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1591         assert(fp_copy);
1592         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1593         assert(s_copy);
1594         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1595         assert(e_copy);
1596         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1597         assert(e_int_copy);
1598         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1599         assert(v_copy);
1600         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1601         assert(v_selected_copy);
1602         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1603         assert(v_selected_0_copy);
1604         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1605         assert(v_selected_1_copy);
1606         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1607         assert(v_selected_2_copy);
1608         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1609         assert(v_selected_3_copy);
1610         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1611         assert(v_selected_4_copy);
1612         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1613         assert(v_selected_5_copy);
1614         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1615         assert(v_selected_6_copy);
1616         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1617                 "sequence field copy is not too large");
1618         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1619         assert(a_copy);
1620         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1621         assert(a_0_copy);
1622         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1623         assert(a_1_copy);
1624         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1625         assert(a_2_copy);
1626         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1627         assert(a_3_copy);
1628         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1629         assert(a_4_copy);
1630         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1631                 "array field copy is not too large");
1632
1633         /* make sure copied fields are different pointers */
1634         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1635         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1636         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1637         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1638         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1639         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1640         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1641         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1642                 "v_selected");
1643         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1644                 "v_selected_0");
1645         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1646                 "v_selected_1");
1647         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1648                 "v_selected_2");
1649         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1650                 "v_selected_3");
1651         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1652                 "v_selected_4");
1653         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1654                 "v_selected_5");
1655         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1656                 "v_selected_6");
1657         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1658         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1659         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1660         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1661         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1662         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1663
1664         /* make sure copied fields share the same types */
1665         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1666         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1667         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1668         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1669         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1670         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1671         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1672                 "v_selected");
1673         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1674                 "v_selected_0");
1675         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1676                 "v_selected_1");
1677         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1678                 "v_selected_2");
1679         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1680                 "v_selected_3");
1681         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1682                 "v_selected_4");
1683         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1684                 "v_selected_5");
1685         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1686                 "v_selected_6");
1687         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1688         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1689         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1690         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1691         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1692         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1693
1694         /* validate len copy */
1695         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1696         assert(!ret);
1697         ok(uint64_t_val == 7,
1698                 "bt_ctf_field_copy creates a valid integer field copy");
1699
1700         /* validate fp copy */
1701         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1702         assert(!ret);
1703         ok(double_val == 3.14,
1704                 "bt_ctf_field_copy creates a valid floating point number field copy");
1705
1706         /* validate s copy */
1707         str_val = bt_ctf_field_string_get_value(s_copy);
1708         ok(str_val && !strcmp(str_val, "btbt"),
1709                 "bt_ctf_field_copy creates a valid string field copy");
1710
1711         /* validate e_int copy */
1712         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1713                 &uint64_t_val);
1714         assert(!ret);
1715         ok(uint64_t_val == 23,
1716                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1717
1718         /* validate e copy */
1719         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1720         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1721                 &str_val, NULL, NULL);
1722         ok(str_val && !strcmp(str_val, "LABEL2"),
1723                 "bt_ctf_field_copy creates a valid enum field copy");
1724
1725         /* validate v_selected copy */
1726         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1727         assert(v_selected_copy_len);
1728         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1729                 &uint64_t_val);
1730         assert(!ret);
1731         ok(uint64_t_val == 7,
1732                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1733         bt_put(v_selected_copy_len);
1734         v_selected_copy_len = NULL;
1735
1736         /* validate v_selected copy fields */
1737         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1738                 &uint64_t_val);
1739         assert(!ret);
1740         ok(uint64_t_val == 7,
1741                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1742         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1743                 &uint64_t_val);
1744         assert(!ret);
1745         ok(uint64_t_val == 6,
1746                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1747         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1748                 &uint64_t_val);
1749         assert(!ret);
1750         ok(uint64_t_val == 5,
1751                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1752         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1753                 &uint64_t_val);
1754         assert(!ret);
1755         ok(uint64_t_val == 4,
1756                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1757         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1758                 &uint64_t_val);
1759         assert(!ret);
1760         ok(uint64_t_val == 3,
1761                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1762         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1763                 &uint64_t_val);
1764         assert(!ret);
1765         ok(uint64_t_val == 2,
1766                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1767         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1768                 &uint64_t_val);
1769         assert(!ret);
1770         ok(uint64_t_val == 1,
1771                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1772
1773         /* validate a copy fields */
1774         str_val = bt_ctf_field_string_get_value(a_0_copy);
1775         ok(str_val && !strcmp(str_val, "a_0"),
1776                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1777         str_val = bt_ctf_field_string_get_value(a_1_copy);
1778         ok(str_val && !strcmp(str_val, "a_1"),
1779                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1780         str_val = bt_ctf_field_string_get_value(a_2_copy);
1781         ok(str_val && !strcmp(str_val, "a_2"),
1782                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1783         str_val = bt_ctf_field_string_get_value(a_3_copy);
1784         ok(str_val && !strcmp(str_val, "a_3"),
1785                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1786         str_val = bt_ctf_field_string_get_value(a_4_copy);
1787         ok(str_val && !strcmp(str_val, "a_4"),
1788                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1789
1790         /* put everything */
1791         bt_put(len_type);
1792         bt_put(fp_type);
1793         bt_put(s_type);
1794         bt_put(e_int_type);
1795         bt_put(e_type);
1796         bt_put(v_type);
1797         bt_put(v_label1_type);
1798         bt_put(v_label1_array_type);
1799         bt_put(v_label2_type);
1800         bt_put(v_label2_seq_type);
1801         bt_put(strct_type);
1802         bt_put(len);
1803         bt_put(fp);
1804         bt_put(s);
1805         bt_put(e_int);
1806         bt_put(e);
1807         bt_put(v);
1808         bt_put(v_selected);
1809         bt_put(v_selected_0);
1810         bt_put(v_selected_1);
1811         bt_put(v_selected_2);
1812         bt_put(v_selected_3);
1813         bt_put(v_selected_4);
1814         bt_put(v_selected_5);
1815         bt_put(v_selected_6);
1816         bt_put(a);
1817         bt_put(a_0);
1818         bt_put(a_1);
1819         bt_put(a_2);
1820         bt_put(a_3);
1821         bt_put(a_4);
1822         bt_put(strct);
1823         bt_put(len_copy);
1824         bt_put(fp_copy);
1825         bt_put(s_copy);
1826         bt_put(e_int_copy);
1827         bt_put(e_copy);
1828         bt_put(v_copy);
1829         bt_put(v_selected_copy);
1830         bt_put(v_selected_0_copy);
1831         bt_put(v_selected_1_copy);
1832         bt_put(v_selected_2_copy);
1833         bt_put(v_selected_3_copy);
1834         bt_put(v_selected_4_copy);
1835         bt_put(v_selected_5_copy);
1836         bt_put(v_selected_6_copy);
1837         bt_put(a_copy);
1838         bt_put(a_0_copy);
1839         bt_put(a_1_copy);
1840         bt_put(a_2_copy);
1841         bt_put(a_3_copy);
1842         bt_put(a_4_copy);
1843         bt_put(strct_copy);
1844         bt_put(e_iter);
1845 }
1846
1847 static
1848 void type_field_tests()
1849 {
1850         struct bt_ctf_field *uint_12;
1851         struct bt_ctf_field *int_16;
1852         struct bt_ctf_field *string;
1853         struct bt_ctf_field *enumeration;
1854         struct bt_ctf_field_type *composite_structure_type;
1855         struct bt_ctf_field_type *structure_seq_type;
1856         struct bt_ctf_field_type *string_type;
1857         struct bt_ctf_field_type *sequence_type;
1858         struct bt_ctf_field_type *uint_8_type;
1859         struct bt_ctf_field_type *int_16_type;
1860         struct bt_ctf_field_type *uint_12_type =
1861                 bt_ctf_field_type_integer_create(12);
1862         struct bt_ctf_field_type *enumeration_type;
1863         struct bt_ctf_field_type *returned_type;
1864         const char *ret_string;
1865
1866         returned_type = bt_ctf_field_get_type(NULL);
1867         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1868
1869         ok(uint_12_type, "Create an unsigned integer type");
1870         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1871                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1872                 "Set integer type's base as binary");
1873         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1874                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1875                 "Set integer type's base as decimal");
1876         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1877                 BT_CTF_INTEGER_BASE_UNKNOWN),
1878                 "Reject integer type's base set as unknown");
1879         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1880                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1881                 "Set integer type's base as octal");
1882         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1883                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1884                 "Set integer type's base as hexadecimal");
1885         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1886                 "Reject unknown integer base value");
1887         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1888                 "Set integer type signedness to signed");
1889         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1890                 "Set integer type signedness to unsigned");
1891         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1892                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1893         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1894                 "bt_ctf_field_type_integer_get_size returns a correct value");
1895         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1896                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1897         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1898                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1899
1900         ok(bt_ctf_field_type_set_byte_order(NULL,
1901                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1902                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1903         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1904                 (enum bt_ctf_byte_order) 42) < 0,
1905                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1906         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1907                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1908                 "Set an integer's byte order to little endian");
1909         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1910                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1911                 "Set an integer's byte order to big endian");
1912         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1913                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1914                 "bt_ctf_field_type_get_byte_order returns a correct value");
1915         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1916                 BT_CTF_BYTE_ORDER_UNKNOWN,
1917                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1918
1919         ok(bt_ctf_field_type_get_type_id(NULL) ==
1920                 BT_CTF_TYPE_ID_UNKNOWN,
1921                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1922         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1923                 BT_CTF_TYPE_ID_INTEGER,
1924                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1925
1926         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1927                 BT_CTF_INTEGER_BASE_UNKNOWN,
1928                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1929         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1930                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1931                 "bt_ctf_field_type_integer_get_base returns a correct value");
1932
1933         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1934                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1935                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1936         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1937                 (enum bt_ctf_string_encoding) 123) < 0,
1938                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1939         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1940                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1941                 "Set integer type encoding to UTF8");
1942         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1943                 BT_CTF_STRING_ENCODING_UNKNOWN,
1944                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1945         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1946                 BT_CTF_STRING_ENCODING_UTF8,
1947                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1948
1949         int_16_type = bt_ctf_field_type_integer_create(16);
1950         assert(int_16_type);
1951         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1952                 "Set signedness of 16 bit integer to true");
1953         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1954                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1955         uint_8_type = bt_ctf_field_type_integer_create(8);
1956         sequence_type =
1957                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1958         ok(sequence_type, "Create a sequence of int16_t type");
1959         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1960                 BT_CTF_TYPE_ID_SEQUENCE,
1961                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1962
1963         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1964                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1965         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1966                 sequence_type);
1967         ok(!strcmp(ret_string, "seq_len"),
1968                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1969         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1970                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1971         returned_type = bt_ctf_field_type_sequence_get_element_type(
1972                 sequence_type);
1973         ok(returned_type == int_16_type,
1974                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1975         bt_put(returned_type);
1976
1977         string_type = bt_ctf_field_type_string_create();
1978         ok(string_type, "Create a string type");
1979         ok(bt_ctf_field_type_string_set_encoding(string_type,
1980                 BT_CTF_STRING_ENCODING_NONE),
1981                 "Reject invalid \"None\" string encoding");
1982         ok(bt_ctf_field_type_string_set_encoding(string_type,
1983                 42),
1984                 "Reject invalid string encoding");
1985         ok(bt_ctf_field_type_string_set_encoding(string_type,
1986                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1987                 "Set string encoding to ASCII");
1988
1989         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1990                 BT_CTF_STRING_ENCODING_UNKNOWN,
1991                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1992         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1993                 BT_CTF_STRING_ENCODING_ASCII,
1994                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1995
1996         structure_seq_type = bt_ctf_field_type_structure_create();
1997         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1998                 BT_CTF_TYPE_ID_STRUCT,
1999                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
2000         ok(structure_seq_type, "Create a structure type");
2001         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2002                 uint_8_type, "seq_len") == 0,
2003                 "Add a uint8_t type to a structure");
2004         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
2005                 sequence_type, "a_sequence") == 0,
2006                 "Add a sequence type to a structure");
2007
2008         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2009                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2010         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2011                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2012
2013         ok(bt_ctf_field_type_structure_get_field(NULL,
2014                 &ret_string, &returned_type, 1) < 0,
2015                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2016         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2017                 NULL, &returned_type, 1) == 0,
2018                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2019         bt_put(returned_type);
2020         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2021                 &ret_string, NULL, 1) == 0,
2022                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2023         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2024                 &ret_string, &returned_type, 10) < 0,
2025                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2026         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2027                 &ret_string, &returned_type, 1) == 0,
2028                 "bt_ctf_field_type_structure_get_field returns a field");
2029         ok(!strcmp(ret_string, "a_sequence"),
2030                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2031         ok(returned_type == sequence_type,
2032                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2033         bt_put(returned_type);
2034
2035         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2036                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2037         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2038                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2039         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2040                 structure_seq_type, "a_sequence");
2041         ok(returned_type == sequence_type,
2042                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2043         bt_put(returned_type);
2044
2045         composite_structure_type = bt_ctf_field_type_structure_create();
2046         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2047                 string_type, "a_string") == 0,
2048                 "Add a string type to a structure");
2049         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2050                 structure_seq_type, "inner_structure") == 0,
2051                 "Add a structure type to a structure");
2052
2053         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2054                 NULL, "a_sequence") == NULL,
2055                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2056         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2057                 structure_seq_type, NULL) == NULL,
2058                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2059         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2060                 structure_seq_type, "a_sequence");
2061         ok(returned_type == sequence_type,
2062                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2063         bt_put(returned_type);
2064
2065         int_16 = bt_ctf_field_create(int_16_type);
2066         ok(int_16, "Instanciate a signed 16-bit integer");
2067         uint_12 = bt_ctf_field_create(uint_12_type);
2068         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2069         returned_type = bt_ctf_field_get_type(int_16);
2070         ok(returned_type == int_16_type,
2071                 "bt_ctf_field_get_type returns the correct type");
2072
2073         /* Can't modify types after instanciating them */
2074         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2075                 BT_CTF_INTEGER_BASE_DECIMAL),
2076                 "Check an integer type' base can't be modified after instanciation");
2077         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2078                 "Check an integer type's signedness can't be modified after instanciation");
2079
2080         /* Check signed property is checked */
2081         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2082                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2083         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2084                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2085
2086         /* Check overflows are properly tested for */
2087         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2088                 "Check -32768 is allowed for a signed 16-bit integer");
2089         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2090                 "Check 32767 is allowed for a signed 16-bit integer");
2091         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2092                 "Check 32768 is not allowed for a signed 16-bit integer");
2093         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2094                 "Check -32769 is not allowed for a signed 16-bit integer");
2095         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2096                 "Check -42 is allowed for a signed 16-bit integer");
2097
2098         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2099                 "Check 4095 is allowed for an unsigned 12-bit integer");
2100         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2101                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2102         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2103                 "Check 0 is allowed for an unsigned 12-bit integer");
2104
2105         string = bt_ctf_field_create(string_type);
2106         ok(string, "Instanciate a string field");
2107         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2108                 "Set a string's value");
2109
2110         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2111         ok(enumeration_type,
2112                 "Create an enumeration type with an unsigned 12-bit integer as container");
2113         enumeration = bt_ctf_field_create(enumeration_type);
2114         ok(!enumeration,
2115                 "Check enumeration types are validated before instantiation");
2116
2117         bt_put(string);
2118         bt_put(uint_12);
2119         bt_put(int_16);
2120         bt_put(enumeration);
2121         bt_put(composite_structure_type);
2122         bt_put(structure_seq_type);
2123         bt_put(string_type);
2124         bt_put(sequence_type);
2125         bt_put(uint_8_type);
2126         bt_put(int_16_type);
2127         bt_put(uint_12_type);
2128         bt_put(enumeration_type);
2129         bt_put(returned_type);
2130 }
2131
2132 static
2133 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2134                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2135 {
2136         /*
2137          * Append enough events to force the underlying packet to be resized.
2138          * Also tests that a new event can be declared after a stream has been
2139          * instantiated and used/flushed.
2140          */
2141         int ret = 0;
2142         int i;
2143         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2144                 "Spammy_Event");
2145         struct bt_ctf_field_type *integer_type =
2146                 bt_ctf_field_type_integer_create(17);
2147         struct bt_ctf_field_type *string_type =
2148                 bt_ctf_field_type_string_create();
2149         struct bt_ctf_event *event = NULL;
2150         struct bt_ctf_field *ret_field = NULL;
2151         struct bt_ctf_field_type *ret_field_type = NULL;
2152         uint64_t ret_uint64;
2153         int events_appended = 0;
2154         struct bt_ctf_field *packet_context = NULL,
2155                 *packet_context_field = NULL, *stream_event_context = NULL;
2156         struct bt_ctf_field_type *ep_field_1_type = NULL;
2157         struct bt_ctf_field_type *ep_a_string_type = NULL;
2158         struct bt_ctf_field_type *ep_type = NULL;
2159
2160         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2161                 "field_1");
2162         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2163                 "a_string");
2164         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2165         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2166         if (ret) {
2167                 goto end;
2168         }
2169
2170         /*
2171          * bt_ctf_stream_class_add_event_class() copies the field types
2172          * of event_class, so we retrieve the new ones to create the
2173          * appropriate fields.
2174          */
2175         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2176         assert(ep_type);
2177         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2178                 ep_type, "field_1");
2179         assert(ep_field_1_type);
2180         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2181                 ep_type, "a_string");
2182         assert(ep_a_string_type);
2183
2184         event = bt_ctf_event_create(event_class);
2185         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2186         ret_field_type = bt_ctf_field_get_type(ret_field);
2187         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2188                 "bt_ctf_event_get_payload_by_index returns a correct field");
2189         bt_put(ret_field_type);
2190         bt_put(ret_field);
2191
2192         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2193                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2194         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2195                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2196         bt_put(event);
2197
2198         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2199                 event = bt_ctf_event_create(event_class);
2200                 struct bt_ctf_field *integer =
2201                         bt_ctf_field_create(ep_field_1_type);
2202                 struct bt_ctf_field *string =
2203                         bt_ctf_field_create(ep_a_string_type);
2204
2205                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2206                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2207                 ret |= bt_ctf_event_set_payload(event, "field_1",
2208                         integer);
2209                 bt_put(integer);
2210                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2211                 ret |= bt_ctf_event_set_payload(event, "a_string",
2212                         string);
2213                 bt_put(string);
2214
2215                 /* Populate stream event context */
2216                 stream_event_context =
2217                         bt_ctf_event_get_stream_event_context(event);
2218                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2219                         "common_event_context");
2220                 BT_PUT(stream_event_context);
2221                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2222                         i % 42);
2223                 bt_put(integer);
2224
2225                 ret |= bt_ctf_stream_append_event(stream, event);
2226                 bt_put(event);
2227
2228                 if (ret) {
2229                         break;
2230                 }
2231         }
2232
2233         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2234         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2235                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2236         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2237                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2238         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2239         ok(ret == 0 && ret_uint64 == 0,
2240                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2241         bt_ctf_stream_append_discarded_events(stream, 1000);
2242         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2243         ok(ret == 0 && ret_uint64 == 1000,
2244                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2245
2246 end:
2247         ok(events_appended, "Append 100 000 events to a stream");
2248
2249         /*
2250          * Populate the custom packet context field with a dummy value
2251          * otherwise flush will fail.
2252          */
2253         packet_context = bt_ctf_stream_get_packet_context(stream);
2254         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2255                 "custom_packet_context_field");
2256         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2257
2258         ok(bt_ctf_stream_flush(stream) == 0,
2259                 "Flush a stream that forces a packet resize");
2260         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2261         ok(ret == 0 && ret_uint64 == 1000,
2262                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2263         bt_put(integer_type);
2264         bt_put(string_type);
2265         bt_put(packet_context);
2266         bt_put(packet_context_field);
2267         bt_put(stream_event_context);
2268         bt_put(event_class);
2269         bt_put(ep_field_1_type);
2270         bt_put(ep_a_string_type);
2271         bt_put(ep_type);
2272 }
2273
2274 static
2275 void test_empty_stream(struct bt_ctf_writer *writer)
2276 {
2277         int ret = 0;
2278         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2279         struct bt_ctf_stream_class *stream_class = NULL;
2280         struct bt_ctf_stream *stream = NULL;
2281
2282         trace = bt_ctf_writer_get_trace(writer);
2283         if (!trace) {
2284                 diag("Failed to get trace from writer");
2285                 ret = -1;
2286                 goto end;
2287         }
2288
2289         stream_class = bt_ctf_stream_class_create("empty_stream");
2290         if (!stream_class) {
2291                 diag("Failed to create stream class");
2292                 ret = -1;
2293                 goto end;
2294         }
2295
2296         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2297                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2298         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2299                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2300
2301         stream = bt_ctf_writer_create_stream(writer, stream_class);
2302         if (!stream) {
2303                 diag("Failed to create writer stream");
2304                 ret = -1;
2305                 goto end;
2306         }
2307
2308         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2309         ok(ret_trace == trace,
2310                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2311 end:
2312         ok(ret == 0,
2313                 "Created a stream class with default attributes and an empty stream");
2314         bt_put(trace);
2315         bt_put(ret_trace);
2316         bt_put(stream);
2317         bt_put(stream_class);
2318 }
2319
2320 static
2321 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2322                         struct bt_ctf_clock *clock)
2323 {
2324         int i, ret;
2325         struct bt_ctf_stream_class *stream_class = NULL;
2326         struct bt_ctf_stream *stream = NULL;
2327         struct bt_ctf_field_type *integer_type = NULL,
2328                 *sequence_type = NULL, *event_header_type = NULL;
2329         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2330                 *event_header = NULL, *packet_header = NULL;
2331         struct bt_ctf_event_class *event_class = NULL;
2332         struct bt_ctf_event *event = NULL;
2333
2334         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2335         if (!stream_class) {
2336                 fail("Failed to create stream class");
2337                 goto end;
2338         }
2339
2340         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2341         if (ret) {
2342                 fail("Failed to set stream class clock");
2343                 goto end;
2344         }
2345
2346         /*
2347          * Customize event header to add an "seq_len" integer member
2348          * which will be used as the length of a sequence in an event of this
2349          * stream.
2350          */
2351         event_header_type = bt_ctf_stream_class_get_event_header_type(
2352                 stream_class);
2353         if (!event_header_type) {
2354                 fail("Failed to get event header type");
2355                 goto end;
2356         }
2357
2358         integer_type = bt_ctf_field_type_integer_create(13);
2359         if (!integer_type) {
2360                 fail("Failed to create length integer type");
2361                 goto end;
2362         }
2363
2364         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2365                 integer_type, "seq_len");
2366         if (ret) {
2367                 fail("Failed to add a new field to stream event header");
2368                 goto end;
2369         }
2370
2371         event_class = bt_ctf_event_class_create("sequence_event");
2372         if (!event_class) {
2373                 fail("Failed to create event class");
2374                 goto end;
2375         }
2376
2377         /*
2378          * This event's payload will contain a sequence which references
2379          * stream.event.header.seq_len as its length field.
2380          */
2381         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2382                 "stream.event.header.seq_len");
2383         if (!sequence_type) {
2384                 fail("Failed to create a sequence");
2385                 goto end;
2386         }
2387
2388         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2389                 "some_sequence");
2390         if (ret) {
2391                 fail("Failed to add a sequence to an event class");
2392                 goto end;
2393         }
2394
2395         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2396         if (ret) {
2397                 fail("Failed to add event class to stream class");
2398                 goto end;
2399         }
2400
2401         stream = bt_ctf_writer_create_stream(writer, stream_class);
2402         if (!stream) {
2403                 fail("Failed to create stream")
2404                 goto end;
2405         }
2406
2407         /*
2408          * We have defined a custom packet header field. We have to populate it
2409          * explicitly.
2410          */
2411         packet_header = bt_ctf_stream_get_packet_header(stream);
2412         if (!packet_header) {
2413                 fail("Failed to get stream packet header");
2414                 goto end;
2415         }
2416
2417         integer = bt_ctf_field_structure_get_field(packet_header,
2418                 "custom_trace_packet_header_field");
2419         if (!integer) {
2420                 fail("Failed to retrieve custom_trace_packet_header_field");
2421                 goto end;
2422         }
2423
2424         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2425         if (ret) {
2426                 fail("Failed to set custom_trace_packet_header_field value");
2427                 goto end;
2428         }
2429         bt_put(integer);
2430
2431         event = bt_ctf_event_create(event_class);
2432         if (!event) {
2433                 fail("Failed to create event");
2434                 goto end;
2435         }
2436
2437         event_header = bt_ctf_event_get_header(event);
2438         if (!event_header) {
2439                 fail("Failed to get event header");
2440                 goto end;
2441         }
2442
2443         integer = bt_ctf_field_structure_get_field(event_header,
2444                 "seq_len");
2445         if (!integer) {
2446                 fail("Failed to get seq_len field from event header");
2447                 goto end;
2448         }
2449
2450         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2451         if (ret) {
2452                 fail("Failed to set seq_len value in event header");
2453                 goto end;
2454         }
2455
2456         /* Populate both sequence integer fields */
2457         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2458         if (!sequence) {
2459                 fail("Failed to retrieve sequence from event");
2460                 goto end;
2461         }
2462
2463         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2464         if (ret) {
2465                 fail("Failed to set sequence length");
2466                 goto end;
2467         }
2468         bt_put(integer);
2469
2470         for (i = 0; i < 2; i++) {
2471                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2472                 if (ret) {
2473                         fail("Failed to retrieve sequence element");
2474                         goto end;
2475                 }
2476
2477                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2478                 if (ret) {
2479                         fail("Failed to set sequence element value");
2480                         goto end;
2481                 }
2482
2483                 bt_put(integer);
2484                 integer = NULL;
2485         }
2486
2487         ret = bt_ctf_stream_append_event(stream, event);
2488         if (ret) {
2489                 fail("Failed to append event to stream");
2490                 goto end;
2491         }
2492
2493         ret = bt_ctf_stream_flush(stream);
2494         if (ret) {
2495                 fail("Failed to flush custom_event_header stream");
2496         }
2497 end:
2498         bt_put(stream);
2499         bt_put(stream_class);
2500         bt_put(event_class);
2501         bt_put(event);
2502         bt_put(integer);
2503         bt_put(sequence);
2504         bt_put(event_header);
2505         bt_put(packet_header);
2506         bt_put(sequence_type);
2507         bt_put(integer_type);
2508         bt_put(event_header_type);
2509 }
2510
2511 static
2512 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2513                 struct bt_ctf_clock *clock)
2514 {
2515         int ret = 0;
2516         struct bt_ctf_stream_class *stream_class = NULL;
2517         struct bt_ctf_stream *stream = NULL,
2518                 *ret_stream = NULL;
2519         struct bt_ctf_event_class *event_class = NULL;
2520         struct bt_ctf_event *event = NULL;
2521         struct bt_ctf_field_type *integer_type = NULL;
2522         struct bt_ctf_field *integer = NULL;
2523
2524         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2525         if (!stream_class) {
2526                 diag("Failed to create stream class");
2527                 ret = -1;
2528                 goto end;
2529         }
2530
2531         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2532         if (ret) {
2533                 diag("Failed to set stream class clock");
2534                 goto end;
2535         }
2536
2537         event_class = bt_ctf_event_class_create("some_event_class_name");
2538         integer_type = bt_ctf_field_type_integer_create(32);
2539         if (!integer_type) {
2540                 diag("Failed to create integer field type");
2541                 ret = -1;
2542                 goto end;
2543         }
2544
2545         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2546                 "integer_field");
2547         if (ret) {
2548                 diag("Failed to add field to event class");
2549                 goto end;
2550         }
2551
2552         ret = bt_ctf_stream_class_add_event_class(stream_class,
2553                 event_class);
2554         if (ret) {
2555                 diag("Failed to add event class to stream class");
2556         }
2557
2558         event = bt_ctf_event_create(event_class);
2559         if (!event) {
2560                 diag("Failed to create event");
2561                 ret = -1;
2562                 goto end;
2563         }
2564
2565         integer = bt_ctf_event_get_payload_by_index(event, 0);
2566         if (!integer) {
2567                 diag("Failed to get integer field payload from event");
2568                 ret = -1;
2569                 goto end;
2570         }
2571
2572         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2573         if (ret) {
2574                 diag("Failed to set integer field value");
2575                 goto end;
2576         }
2577
2578         stream = bt_ctf_writer_create_stream(writer, stream_class);
2579         if (!stream) {
2580                 diag("Failed to create writer stream");
2581                 ret = -1;
2582                 goto end;
2583         }
2584
2585         ok(bt_ctf_event_get_stream(NULL) == NULL,
2586                 "bt_ctf_event_get_stream handles NULL correctly");
2587         ok(bt_ctf_event_get_stream(event) == NULL,
2588                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2589
2590         ret = bt_ctf_stream_append_event(stream, event);
2591         if (ret) {
2592                 diag("Failed to append event to stream");
2593                 goto end;
2594         }
2595
2596         ret_stream = bt_ctf_event_get_stream(event);
2597         ok(ret_stream == stream,
2598                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2599 end:
2600         ok(ret == 0,
2601                 "Create an event before instanciating its associated stream");
2602         bt_put(stream);
2603         bt_put(ret_stream);
2604         bt_put(stream_class);
2605         bt_put(event_class);
2606         bt_put(event);
2607         bt_put(integer_type);
2608         bt_put(integer);
2609 }
2610
2611 static
2612 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2613 {
2614         struct bt_ctf_event_class *event_class;
2615
2616         event_class = bt_ctf_event_class_create("Simple Event");
2617         assert(event_class);
2618         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2619                 "two event classes with the same name cannot cohabit within the same stream class");
2620         bt_put(event_class);
2621
2622         event_class = bt_ctf_event_class_create("different name, ok");
2623         assert(event_class);
2624         assert(!bt_ctf_event_class_set_id(event_class, 11));
2625         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2626                 "two event classes with the same ID cannot cohabit within the same stream class");
2627         bt_put(event_class);
2628 }
2629
2630 static
2631 struct bt_ctf_event_class *create_minimal_event_class(void)
2632 {
2633         struct bt_ctf_event_class *ec = NULL;
2634         struct bt_ctf_field_type *int_ft = NULL;
2635         int ret;
2636
2637         int_ft = bt_ctf_field_type_integer_create(23);
2638         assert(int_ft);
2639         ec = bt_ctf_event_class_create("minimal");
2640         assert(ec);
2641         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2642         assert(!ret);
2643         BT_PUT(int_ft);
2644
2645         return ec;
2646 }
2647
2648 static
2649 void test_create_writer_vs_non_writer_mode(void)
2650 {
2651         int ret;
2652         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2653         const char *writer_stream_name = "writer stream instance";
2654         struct bt_ctf_writer *writer = NULL;
2655         struct bt_ctf_trace *writer_trace = NULL;
2656         struct bt_ctf_stream_class *writer_sc = NULL;
2657         struct bt_ctf_stream *writer_stream = NULL;
2658         struct bt_ctf_stream *writer_stream2 = NULL;
2659         struct bt_ctf_stream *packet_stream = NULL;
2660         struct bt_ctf_trace *non_writer_trace = NULL;
2661         struct bt_ctf_stream_class *non_writer_sc = NULL;
2662         struct bt_ctf_stream *non_writer_stream = NULL;
2663         struct bt_ctf_stream *non_writer_stream2 = NULL;
2664         struct bt_ctf_event_class *writer_ec = NULL;
2665         struct bt_ctf_event_class *non_writer_ec = NULL;
2666         struct bt_ctf_event *event = NULL;
2667         struct bt_ctf_event *event2 = NULL;
2668         struct bt_ctf_field_type *empty_struct_ft = NULL;
2669         struct bt_ctf_field *int_field = NULL;
2670         struct bt_ctf_clock *writer_clock = NULL;
2671         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2672         struct bt_ctf_packet *packet = NULL;
2673         struct bt_ctf_packet *packet2 = NULL;
2674
2675         if (!bt_mkdtemp(trace_path)) {
2676                 perror("# perror");
2677         }
2678
2679         /* Create empty structure field type (event header) */
2680         empty_struct_ft = bt_ctf_field_type_structure_create();
2681         assert(empty_struct_ft);
2682
2683         /* Create writer, writer stream class, stream, and clock */
2684         writer = bt_ctf_writer_create(trace_path);
2685         assert(writer);
2686         writer_trace = bt_ctf_writer_get_trace(writer);
2687         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2688         writer_sc = bt_ctf_stream_class_create("writer_sc");
2689         assert(writer_sc);
2690         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2691                 empty_struct_ft);
2692         assert(!ret);
2693         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2694         assert(!ret);
2695         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2696         assert(writer_stream);
2697         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2698                 "bt_ctf_stream_get_name() returns the stream's name");
2699         writer_clock = bt_ctf_clock_create("writer_clock");
2700         assert(writer_clock);
2701         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2702         assert(!ret);
2703
2704         /* Create non-writer trace, stream class, stream, and clock */
2705         non_writer_trace = bt_ctf_trace_create();
2706         assert(non_writer_trace);
2707         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2708         assert(non_writer_sc);
2709         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2710                 empty_struct_ft);
2711         assert(!ret);
2712         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2713         assert(!ret);
2714         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2715         assert(non_writer_stream);
2716         non_writer_clock_class =
2717                 bt_ctf_clock_class_create("non_writer_clock_class");
2718         assert(non_writer_clock_class);
2719         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2720                 non_writer_clock_class);
2721         assert(!ret);
2722
2723         /* Create event class and event */
2724         writer_ec = create_minimal_event_class();
2725         assert(writer_ec);
2726         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2727         assert(!ret);
2728         event = bt_ctf_event_create(writer_ec);
2729         assert(event);
2730         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2731         assert(int_field);
2732         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2733
2734         /*
2735          * Verify non-writer stream: it should be impossible to append
2736          * an event to it.
2737          */
2738         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2739                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2740
2741         /*
2742          * Verify writer stream: it should be possible to append an
2743          * event to it.
2744          */
2745         ok(!bt_ctf_stream_append_event(writer_stream, event),
2746                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2747
2748         /*
2749          * It should be possible to create a packet from a non-writer
2750          * stream, but not from a writer stream.
2751          */
2752         packet = bt_ctf_packet_create(writer_stream);
2753         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2754         packet = bt_ctf_packet_create(non_writer_stream);
2755         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2756         packet_stream = bt_ctf_packet_get_stream(packet);
2757         ok(packet_stream == non_writer_stream,
2758                 "bt_ctf_packet_get_stream() returns the correct stream");
2759
2760         /*
2761          * It should not be possible to append an event associated to
2762          * a stream to a different stream.
2763          */
2764         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2765         assert(writer_stream2);
2766         ok(bt_ctf_stream_append_event(writer_stream2, event),
2767                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2768
2769         /*
2770          * It should not be possible to set the packet of an event
2771          * associated to a given stream to a packet associated with
2772          * a different stream.
2773          */
2774         ok(bt_ctf_event_set_packet(event, packet),
2775                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2776
2777         /*
2778          * It should be possible to set the packet of a fresh event, as
2779          * long as the originating stream classes are the same.
2780          */
2781         event2 = bt_ctf_event_create(writer_ec);
2782         assert(event2);
2783         ok(bt_ctf_event_set_packet(event2, packet),
2784                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2785         non_writer_ec = create_minimal_event_class();
2786         assert(non_writer_ec);
2787         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2788         assert(!ret);
2789         BT_PUT(event2);
2790         event2 = bt_ctf_event_create(non_writer_ec);
2791         assert(event2);
2792         ok(!bt_ctf_event_set_packet(event2, packet),
2793                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2794
2795         /*
2796          * It should be possible to set a packet created from the same
2797          * stream to an event with an existing packet.
2798          */
2799         packet2 = bt_ctf_packet_create(non_writer_stream);
2800         assert(packet2);
2801         ok(!bt_ctf_event_set_packet(event2, packet2),
2802                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2803         BT_PUT(packet2);
2804
2805         /*
2806          * It should not be possible to set a packet created from a
2807          * different stream to an event with an existing packet.
2808          */
2809         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2810         assert(non_writer_stream2);
2811         packet2 = bt_ctf_packet_create(non_writer_stream);
2812         assert(packet2);
2813         ok(!bt_ctf_event_set_packet(event2, packet2),
2814                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2815
2816         bt_put(writer);
2817         bt_put(writer_trace);
2818         bt_put(writer_sc);
2819         bt_put(writer_stream);
2820         bt_put(writer_stream2);
2821         bt_put(non_writer_trace);
2822         bt_put(non_writer_sc);
2823         bt_put(non_writer_stream);
2824         bt_put(non_writer_stream2);
2825         bt_put(packet_stream);
2826         bt_put(writer_ec);
2827         bt_put(non_writer_ec);
2828         bt_put(event);
2829         bt_put(event2);
2830         bt_put(int_field);
2831         bt_put(empty_struct_ft);
2832         bt_put(writer_clock);
2833         bt_put(non_writer_clock_class);
2834         bt_put(packet);
2835         bt_put(packet2);
2836         recursive_rmdir(trace_path);
2837 }
2838
2839 static
2840 void test_clock_utils(void)
2841 {
2842         int ret;
2843         struct bt_ctf_clock *clock = NULL;
2844
2845         clock = bt_ctf_clock_create("water");
2846         assert(clock);
2847         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2848         assert(!ret);
2849         ret = bt_ctf_clock_set_offset(clock, 1000);
2850         assert(!ret);
2851         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2852         assert(!ret);
2853         ret = bt_ctf_clock_set_frequency(clock, 1534);
2854         assert(!ret);
2855
2856         BT_PUT(clock);
2857 }
2858
2859 void test_set_clock_non_writer_stream_class(void)
2860 {
2861         struct bt_ctf_clock *clock;
2862         struct bt_ctf_trace *trace;
2863         struct bt_ctf_stream_class *sc;
2864         int ret;
2865
2866         clock = bt_ctf_clock_create("the_clock");
2867         assert(clock);
2868
2869         trace = bt_ctf_trace_create();
2870         assert(trace);
2871
2872         sc = bt_ctf_stream_class_create(NULL);
2873         assert(sc);
2874
2875         ret = bt_ctf_stream_class_set_clock(sc, clock);
2876         assert(ret == 0);
2877
2878         ret = bt_ctf_trace_add_stream_class(trace, sc);
2879         ok(ret < 0,
2880                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2881
2882         bt_put(clock);
2883         bt_put(trace);
2884         bt_put(sc);
2885 }
2886
2887 int main(int argc, char **argv)
2888 {
2889         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2890         char metadata_path[sizeof(trace_path) + 9];
2891         const char *clock_name = "test_clock";
2892         const char *clock_description = "This is a test clock";
2893         const char *returned_clock_name;
2894         const char *returned_clock_description;
2895         const uint64_t frequency = 1123456789;
2896         const int64_t offset_s = 1351530929945824323;
2897         const int64_t offset = 1234567;
2898         int64_t get_offset_s,
2899                 get_offset;
2900         const uint64_t precision = 10;
2901         const int is_absolute = 0xFF;
2902         char *metadata_string;
2903         struct bt_ctf_writer *writer;
2904         struct utsname name;
2905         char hostname[BABELTRACE_HOST_NAME_MAX];
2906         struct bt_ctf_clock *clock, *ret_clock;
2907         struct bt_ctf_clock_class *ret_clock_class;
2908         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2909         struct bt_ctf_stream *stream1;
2910         const char *ret_string;
2911         const unsigned char *ret_uuid;
2912         unsigned char tmp_uuid[16] = { 0 };
2913         struct bt_ctf_field_type *packet_context_type,
2914                 *packet_context_field_type,
2915                 *packet_header_type,
2916                 *packet_header_field_type,
2917                 *integer_type,
2918                 *stream_event_context_type,
2919                 *ret_field_type,
2920                 *event_header_field_type;
2921         struct bt_ctf_field *packet_header, *packet_header_field;
2922         struct bt_ctf_trace *trace;
2923         int ret;
2924         int64_t ret_int64_t;
2925         struct bt_value *obj;
2926
2927         if (argc < 3) {
2928                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2929                 return -1;
2930         }
2931
2932         plan_tests(NR_TESTS);
2933
2934         if (!bt_mkdtemp(trace_path)) {
2935                 perror("# perror");
2936         }
2937
2938         strcpy(metadata_path, trace_path);
2939         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2940
2941         writer = bt_ctf_writer_create(trace_path);
2942         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2943
2944         ok(!bt_ctf_writer_get_trace(NULL),
2945                 "bt_ctf_writer_get_trace correctly handles NULL");
2946         trace = bt_ctf_writer_get_trace(writer);
2947         ok(trace,
2948                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2949         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2950                 "Set a trace's byte order to big endian");
2951         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2952                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2953
2954         /* Add environment context to the trace */
2955         ret = gethostname(hostname, sizeof(hostname));
2956         if (ret < 0) {
2957                 return ret;
2958         }
2959         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2960                 "Add host (%s) environment field to writer instance",
2961                 hostname);
2962         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2963                 "test_value"),
2964                 "bt_ctf_writer_add_environment_field error with NULL writer");
2965         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2966                 "test_value"),
2967                 "bt_ctf_writer_add_environment_field error with NULL field name");
2968         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2969                 NULL),
2970                 "bt_ctf_writer_add_environment_field error with NULL field value");
2971
2972         /* Test bt_ctf_trace_set_environment_field with an integer object */
2973         obj = bt_value_integer_create_init(23);
2974         assert(obj);
2975         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2976                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2977         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2978                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2979         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2980                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2981         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2982                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2983         BT_PUT(obj);
2984
2985         /* Test bt_ctf_trace_set_environment_field with a string object */
2986         obj = bt_value_string_create_init("the value");
2987         assert(obj);
2988         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2989                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2990         BT_PUT(obj);
2991
2992         /* Test bt_ctf_trace_set_environment_field_integer */
2993         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2994                 -194875),
2995                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2996         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2997                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2998         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2999                 -164973),
3000                 "bt_ctf_trace_set_environment_field_integer succeeds");
3001
3002         /* Test bt_ctf_trace_set_environment_field_string */
3003         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
3004                 "yeah"),
3005                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
3006         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
3007                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
3008         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3009                 NULL),
3010                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
3011         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3012                 "oh yeah"),
3013                 "bt_ctf_trace_set_environment_field_string succeeds");
3014
3015         /* Test bt_ctf_trace_get_environment_field_count */
3016         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
3017                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
3018         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3019                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
3020
3021         /* Test bt_ctf_trace_get_environment_field_name */
3022         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
3023                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
3024         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
3025                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
3026         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
3027                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
3028         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
3029         ok(ret_string && !strcmp(ret_string, "host"),
3030                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3031         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
3032         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
3033                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3034         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
3035         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3036                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3037         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
3038         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3039                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3040         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
3041         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3042                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3043
3044         /* Test bt_ctf_trace_get_environment_field_value */
3045         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
3046                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3047         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
3048                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3049         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
3050                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3051         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
3052         ret = bt_value_integer_get(obj, &ret_int64_t);
3053         ok(!ret && ret_int64_t == 23,
3054                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3055         BT_PUT(obj);
3056         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
3057         ret = bt_value_string_get(obj, &ret_string);
3058         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3059                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3060         BT_PUT(obj);
3061
3062         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3063         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3064                 "test_env_str"),
3065                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3066         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3067                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3068         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3069                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3070         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3071                 "test_env_str");
3072         ret = bt_value_string_get(obj, &ret_string);
3073         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3074                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3075         BT_PUT(obj);
3076
3077         /* Test environment field replacement */
3078         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3079                 654321),
3080                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3081         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3082                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3083         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
3084         ret = bt_value_integer_get(obj, &ret_int64_t);
3085         ok(!ret && ret_int64_t == 654321,
3086                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3087         BT_PUT(obj);
3088
3089         /* On Solaris, uname() can return any positive value on success */
3090         if (uname(&name) < 0) {
3091                 perror("uname");
3092                 return -1;
3093         }
3094
3095         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3096                 == 0, "Add sysname (%s) environment field to writer instance",
3097                 name.sysname);
3098         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3099                 name.nodename) == 0,
3100                 "Add nodename (%s) environment field to writer instance",
3101                 name.nodename);
3102         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3103                 == 0, "Add release (%s) environment field to writer instance",
3104                 name.release);
3105         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3106                 == 0, "Add version (%s) environment field to writer instance",
3107                 name.version);
3108         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3109                 == 0, "Add machine (%s) environment field to writer istance",
3110                 name.machine);
3111
3112         /* Define a clock and add it to the trace */
3113         ok(bt_ctf_clock_create("signed") == NULL,
3114                 "Illegal clock name rejected");
3115         clock = bt_ctf_clock_create(clock_name);
3116         ok(clock, "Clock created sucessfully");
3117         returned_clock_name = bt_ctf_clock_get_name(clock);
3118         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3119         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3120                 "Returned clock name is valid");
3121
3122         returned_clock_description = bt_ctf_clock_get_description(clock);
3123         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3124         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3125                 "Clock description set successfully");
3126
3127         returned_clock_description = bt_ctf_clock_get_description(clock);
3128         ok(returned_clock_description,
3129                 "bt_ctf_clock_get_description returns a description.");
3130         ok(returned_clock_description ?
3131                 !strcmp(returned_clock_description, clock_description) : 0,
3132                 "Returned clock description is valid");
3133
3134         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3135                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3136         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3137                 "Set clock frequency");
3138         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3139                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3140
3141         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3142                 "bt_ctf_clock_get_offset_s succeeds");
3143         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3144                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3145         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3146                 "Set clock offset (seconds)");
3147         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3148                 "bt_ctf_clock_get_offset_s succeeds");
3149         ok(get_offset_s == offset_s,
3150                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3151
3152         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3153                 "bt_ctf_clock_get_offset succeeds");
3154         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3155                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3156         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3157         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3158                 "bt_ctf_clock_get_offset succeeds");
3159         ok(get_offset == offset,
3160                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3161
3162         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3163                 "bt_ctf_clock_get_precision returns the correct default precision");
3164         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3165                 "Set clock precision");
3166         ok(bt_ctf_clock_get_precision(clock) == precision,
3167                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3168
3169         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3170                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3171         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3172                 "Set clock absolute property");
3173         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3174                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3175
3176         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3177                 "Set clock time");
3178
3179         ok(!bt_ctf_clock_get_name(NULL),
3180                 "bt_ctf_clock_get_name correctly handles NULL");
3181         ok(!bt_ctf_clock_get_description(NULL),
3182                 "bt_ctf_clock_get_description correctly handles NULL");
3183         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3184                 "bt_ctf_clock_get_frequency correctly handles NULL");
3185         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3186                 "bt_ctf_clock_get_precision correctly handles NULL");
3187         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3188                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3189         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3190                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3191         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3192                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3193         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3194                 "bt_ctf_clock_get_offset correctly handles NULL output");
3195         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3196                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3197
3198         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3199                 "bt_ctf_clock_set_description correctly handles NULL clock");
3200         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3201                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3202         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3203                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3204         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3205                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3206         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3207                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3208         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3209                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3210         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3211                 "bt_ctf_clock_set_time correctly handles NULL clock");
3212         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3213                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3214         ret_uuid = bt_ctf_clock_get_uuid(clock);
3215         ok(ret_uuid,
3216                 "bt_ctf_clock_get_uuid returns a UUID");
3217         if (ret_uuid) {
3218                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3219                 /* Slightly modify UUID */
3220                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3221         }
3222
3223         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3224                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3225         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3226                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3227         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3228                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3229         ret_uuid = bt_ctf_clock_get_uuid(clock);
3230         ok(ret_uuid,
3231                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3232         ok(uuid_match(ret_uuid, tmp_uuid),
3233                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3234
3235         /* Define a stream class */
3236         stream_class = bt_ctf_stream_class_create("test_stream");
3237
3238         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3239                 "bt_ctf_stream_class_get_name handles NULL correctly");
3240         ret_string = bt_ctf_stream_class_get_name(stream_class);
3241         ok(ret_string && !strcmp(ret_string, "test_stream"),
3242                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3243
3244         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3245                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3246         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3247                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3248
3249         ok(stream_class, "Create stream class");
3250         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3251                 "Set a stream class' clock");
3252         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3253         ok(ret_clock == clock,
3254                 "bt_ctf_stream_class_get_clock returns a correct clock");
3255         bt_put(ret_clock);
3256
3257         /* Test the event fields and event types APIs */
3258         type_field_tests();
3259
3260         /* Test fields copying */
3261         field_copy_tests();
3262
3263         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3264                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3265         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3266                 "bt_ctf_stream_class_get_id handles NULL correctly");
3267         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3268                 "bt_ctf_stream_class_set_id handles NULL correctly");
3269         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3270                 "Set an stream class' id");
3271         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3272                 "bt_ctf_stream_class_get_id returns the correct value");
3273
3274         /* Validate default event header fields */
3275         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3276                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3277         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3278                 stream_class);
3279         ok(ret_field_type,
3280                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3281         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3282                 "Default event header type is a structure");
3283         event_header_field_type =
3284                 bt_ctf_field_type_structure_get_field_type_by_name(
3285                 ret_field_type, "id");
3286         ok(event_header_field_type,
3287                 "Default event header type contains an \"id\" field");
3288         ok(bt_ctf_field_type_get_type_id(
3289                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3290                 "Default event header \"id\" field is an integer");
3291         bt_put(event_header_field_type);
3292         event_header_field_type =
3293                 bt_ctf_field_type_structure_get_field_type_by_name(
3294                 ret_field_type, "timestamp");
3295         ok(event_header_field_type,
3296                 "Default event header type contains a \"timestamp\" field");
3297         ok(bt_ctf_field_type_get_type_id(
3298                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3299                 "Default event header \"timestamp\" field is an integer");
3300         bt_put(event_header_field_type);
3301         bt_put(ret_field_type);
3302
3303         /* Add a custom trace packet header field */
3304         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3305                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3306         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3307         ok(packet_header_type,
3308                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3309         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3310                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3311         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3312                 packet_header_type, "magic");
3313         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3314         bt_put(ret_field_type);
3315         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3316                 packet_header_type, "uuid");
3317         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3318         bt_put(ret_field_type);
3319         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3320                 packet_header_type, "stream_id");
3321         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3322         bt_put(ret_field_type);
3323
3324         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3325         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3326                 packet_header_field_type, "custom_trace_packet_header_field"),
3327                 "Added a custom trace packet header field successfully");
3328
3329         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3330                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3331         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3332                 "Set a trace packet_header_type successfully");
3333
3334         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3335                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3336
3337         /* Add a custom field to the stream class' packet context */
3338         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3339         ok(packet_context_type,
3340                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3341         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3342                 "Packet context is a structure");
3343
3344         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3345                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3346
3347         integer_type = bt_ctf_field_type_integer_create(32);
3348         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3349                 integer_type) < 0,
3350                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3351         /* Create a "uint5_t" equivalent custom packet context field */
3352         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3353
3354         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3355                 packet_context_field_type, "custom_packet_context_field");
3356         ok(ret == 0, "Packet context field added successfully");
3357
3358         /* Define a stream event context containing a my_integer field. */
3359         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3360                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3361         ok(bt_ctf_stream_class_get_event_context_type(
3362                 stream_class) == NULL,
3363                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3364         stream_event_context_type = bt_ctf_field_type_structure_create();
3365         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3366                 integer_type, "common_event_context");
3367
3368         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3369                 stream_event_context_type) < 0,
3370                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3371         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3372                 integer_type) < 0,
3373                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3374
3375         ok(bt_ctf_stream_class_set_event_context_type(
3376                 stream_class, stream_event_context_type) == 0,
3377                 "Set a new stream event context type");
3378         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3379                 stream_class);
3380         ok(ret_field_type == stream_event_context_type,
3381                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3382         bt_put(ret_field_type);
3383
3384         /* Instantiate a stream and append events */
3385         ret = bt_ctf_writer_add_clock(writer, clock);
3386         assert(ret == 0);
3387         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3388         ok(stream1, "Instanciate a stream class from writer");
3389
3390         /*
3391          * Creating a stream through a writer adds the given stream
3392          * class to the writer's trace, thus registering the stream
3393          * class's clock to the trace.
3394          */
3395         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3396                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3397         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3398                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3399         ok(!bt_ctf_trace_get_clock_class(NULL, 0),
3400                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3401         ok(!bt_ctf_trace_get_clock_class(trace, -1),
3402                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3403         ok(!bt_ctf_trace_get_clock_class(trace, 1),
3404                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3405         ret_clock_class = bt_ctf_trace_get_clock_class(trace, 0);
3406         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3407                 bt_ctf_clock_get_name(clock)) == 0,
3408                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3409         bt_put(ret_clock_class);
3410         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3411                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3412         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3413                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3414         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3415                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3416         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3417         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3418                 bt_ctf_clock_get_name(clock)) == 0,
3419                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3420         bt_put(ret_clock_class);
3421         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3422                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3423
3424         ok(bt_ctf_stream_get_class(NULL) == NULL,
3425                 "bt_ctf_stream_get_class correctly handles NULL");
3426         ret_stream_class = bt_ctf_stream_get_class(stream1);
3427         ok(ret_stream_class,
3428                 "bt_ctf_stream_get_class returns a stream class");
3429         ok(ret_stream_class == stream_class,
3430                 "Returned stream class is of the correct type");
3431
3432         /*
3433          * Packet header, packet context, event header, and stream
3434          * event context types were copied for the resolving
3435          * process
3436          */
3437         BT_PUT(packet_header_type);
3438         BT_PUT(packet_context_type);
3439         BT_PUT(stream_event_context_type);
3440         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3441         assert(packet_header_type);
3442         packet_context_type =
3443                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3444         assert(packet_context_type);
3445         stream_event_context_type =
3446                 bt_ctf_stream_class_get_event_context_type(stream_class);
3447         assert(stream_event_context_type);
3448
3449         /*
3450          * Try to modify the packet context type after a stream has been
3451          * created.
3452          */
3453         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3454                 packet_header_field_type, "should_fail");
3455         ok(ret < 0,
3456                 "Trace packet header type can't be modified once a stream has been instanciated");
3457
3458         /*
3459          * Try to modify the packet context type after a stream has been
3460          * created.
3461          */
3462         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3463                 packet_context_field_type, "should_fail");
3464         ok(ret < 0,
3465                 "Packet context type can't be modified once a stream has been instanciated");
3466
3467         /*
3468          * Try to modify the stream event context type after a stream has been
3469          * created.
3470          */
3471         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3472                 integer_type, "should_fail");
3473         ok(ret < 0,
3474                 "Stream event context type can't be modified once a stream has been instanciated");
3475
3476         /* Should fail after instanciating a stream (frozen) */
3477         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3478                 "Changes to a stream class that was already instantiated fail");
3479
3480         /* Populate the custom packet header field only once for all tests */
3481         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3482                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3483         packet_header = bt_ctf_stream_get_packet_header(stream1);
3484         ok(packet_header,
3485                 "bt_ctf_stream_get_packet_header returns a packet header");
3486         ret_field_type = bt_ctf_field_get_type(packet_header);
3487         ok(ret_field_type == packet_header_type,
3488                 "Stream returns a packet header of the appropriate type");
3489         bt_put(ret_field_type);
3490         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3491                 "custom_trace_packet_header_field");
3492         ok(packet_header_field,
3493                 "Packet header structure contains a custom field with the appropriate name");
3494         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3495         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3496                 "Custom packet header field is of the expected type");
3497         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3498                 54321), "Set custom packet header value successfully");
3499         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3500                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3501         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3502                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3503         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3504                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3505         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3506                 "Successfully set a stream's packet header");
3507
3508         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3509                 "Add environment field to writer after stream creation");
3510
3511         test_clock_utils();
3512
3513         test_create_writer_vs_non_writer_mode();
3514
3515         test_set_clock_non_writer_stream_class();
3516
3517         test_instanciate_event_before_stream(writer, clock);
3518
3519         append_simple_event(stream_class, stream1, clock);
3520
3521         packet_resize_test(stream_class, stream1, clock);
3522
3523         append_complex_event(stream_class, stream1, clock);
3524
3525         append_existing_event_class(stream_class);
3526
3527         test_empty_stream(writer);
3528
3529         test_custom_event_header_stream(writer, clock);
3530
3531         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3532         ok(metadata_string, "Get metadata string");
3533
3534         bt_ctf_writer_flush_metadata(writer);
3535
3536         bt_put(clock);
3537         bt_put(ret_stream_class);
3538         bt_put(writer);
3539         bt_put(stream1);
3540         bt_put(packet_context_type);
3541         bt_put(packet_context_field_type);
3542         bt_put(integer_type);
3543         bt_put(stream_event_context_type);
3544         bt_put(ret_field_type);
3545         bt_put(packet_header_type);
3546         bt_put(packet_header_field_type);
3547         bt_put(packet_header);
3548         bt_put(packet_header_field);
3549         bt_put(trace);
3550         free(metadata_string);
3551         bt_put(stream_class);
3552
3553         validate_metadata(argv[1], metadata_path);
3554         validate_trace(argv[2], trace_path);
3555
3556         recursive_rmdir(trace_path);
3557         return 0;
3558 }