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