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