tests/lib/test_ctf_writer.c

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