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-ir/stream-class.h>
  29 #include <babeltrace/ref.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/values.h>
  32 #include <unistd.h>
  33 #include <babeltrace/compat/stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <babeltrace/compat/stdio.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <babeltrace/compat/dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46 #include <sys/stat.h>
  47
  48 #define METADATA_LINE_SIZE 512
  49 #define SEQUENCE_TEST_LENGTH 10
  50 #define ARRAY_TEST_LENGTH 5
  51 #define PACKET_RESIZE_TEST_LENGTH 100000
  52
  53 #define DEFAULT_CLOCK_FREQ 1000000000
  54 #define DEFAULT_CLOCK_PRECISION 1
  55 #define DEFAULT_CLOCK_OFFSET 0
  56 #define DEFAULT_CLOCK_OFFSET_S 0
  57 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  58 #define DEFAULT_CLOCK_TIME 0
  59
  60 #define NR_TESTS 597
  61
  62 static int64_t current_time = 42;
  63
  64 /* Return 1 if uuids match, zero if different. */
  65 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  66 {
  67         int ret = 0;
  68         int i;
  69
  70         if (!uuid_a || !uuid_b) {
  71                 goto end;
  72         }
  73
  74         for (i = 0; i < 16; i++) {
  75                 if (uuid_a[i] != uuid_b[i]) {
  76                         goto end;
  77                 }
  78         }
  79
  80         ret = 1;
  81 end:
  82         return ret;
  83 }
  84
  85 void validate_metadata(char *parser_path, char *metadata_path)
  86 {
  87         int ret = 0;
  88         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  89         int parser_output_fd = -1, metadata_fd = -1;
  90
  91         if (!metadata_path) {
  92                 ret = -1;
  93                 goto result;
  94         }
  95
  96         parser_output_fd = mkstemp(parser_output_path);
  97         metadata_fd = open(metadata_path, O_RDONLY);
  98
  99         unlink(parser_output_path);
 100
 101         if (parser_output_fd == -1 || metadata_fd == -1) {
 102                 diag("Failed create temporary files for metadata parsing.");
 103                 ret = -1;
 104                 goto result;
 105         }
 106
 107         pid_t pid = fork();
 108         if (pid) {
 109                 int status = 0;
 110                 waitpid(pid, &status, 0);
 111                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 112         } else {
 113                 /* ctf-parser-test expects a metadata string on stdin. */
 114                 ret = dup2(metadata_fd, STDIN_FILENO);
 115                 if (ret < 0) {
 116                         perror("# dup2 metadata_fd to STDIN");
 117                         goto result;
 118                 }
 119
 120                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 121                 if (ret < 0) {
 122                         perror("# dup2 parser_output_fd to STDOUT");
 123                         goto result;
 124                 }
 125
 126                 ret = dup2(parser_output_fd, STDERR_FILENO);
 127                 if (ret < 0) {
 128                         perror("# dup2 parser_output_fd to STDERR");
 129                         goto result;
 130                 }
 131
 132                 execl(parser_path, "ctf-parser-test", NULL);
 133                 perror("# Could not launch the ctf metadata parser process");
 134                 exit(-1);
 135         }
 136 result:
 137         ok(ret == 0, "Metadata string is valid");
 138
 139         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 140                 char *line;
 141                 size_t len = METADATA_LINE_SIZE;
 142                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 143
 144                 metadata_fp = fdopen(metadata_fd, "r");
 145                 if (!metadata_fp) {
 146                         perror("fdopen on metadata_fd");
 147                         goto close_fp;
 148                 }
 149                 metadata_fd = -1;
 150
 151                 parser_output_fp = fdopen(parser_output_fd, "r");
 152                 if (!parser_output_fp) {
 153                         perror("fdopen on parser_output_fd");
 154                         goto close_fp;
 155                 }
 156                 parser_output_fd = -1;
 157
 158                 line = malloc(len);
 159                 if (!line) {
 160                         diag("malloc failure");
 161                 }
 162
 163                 rewind(metadata_fp);
 164
 165                 /* Output the metadata and parser output as diagnostic */
 166                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 167                         fprintf(stderr, "# %s", line);
 168                 }
 169
 170                 rewind(parser_output_fp);
 171                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 172                         fprintf(stderr, "# %s", line);
 173                 }
 174
 175                 free(line);
 176 close_fp:
 177                 if (metadata_fp) {
 178                         if (fclose(metadata_fp)) {
 179                                 diag("fclose failure");
 180                         }
 181                 }
 182                 if (parser_output_fp) {
 183                         if (fclose(parser_output_fp)) {
 184                                 diag("fclose failure");
 185                         }
 186                 }
 187         }
 188
 189         if (parser_output_fd >= 0) {
 190                 if (close(parser_output_fd)) {
 191                         diag("close error");
 192                 }
 193         }
 194         if (metadata_fd >= 0) {
 195                 if (close(metadata_fd)) {
 196                         diag("close error");
 197                 }
 198         }
 199 }
 200
 201 void validate_trace(char *parser_path, char *trace_path)
 202 {
 203         int ret = 0;
 204         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 205         int babeltrace_output_fd = -1;
 206
 207         if (!trace_path) {
 208                 ret = -1;
 209                 goto result;
 210         }
 211
 212         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 213         unlink(babeltrace_output_path);
 214
 215         if (babeltrace_output_fd == -1) {
 216                 diag("Failed to create a temporary file for trace parsing.");
 217                 ret = -1;
 218                 goto result;
 219         }
 220
 221         pid_t pid = fork();
 222         if (pid) {
 223                 int status = 0;
 224                 waitpid(pid, &status, 0);
 225                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 226         } else {
 227                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 228                 if (ret < 0) {
 229                         perror("# dup2 babeltrace_output_fd to STDOUT");
 230                         goto result;
 231                 }
 232
 233                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 234                 if (ret < 0) {
 235                         perror("# dup2 babeltrace_output_fd to STDERR");
 236                         goto result;
 237                 }
 238
 239                 execl(parser_path, "babeltrace", trace_path, NULL);
 240                 perror("# Could not launch the babeltrace process");
 241                 exit(-1);
 242         }
 243 result:
 244         ok(ret == 0, "Babeltrace could read the resulting trace");
 245
 246         if (ret && babeltrace_output_fd >= 0) {
 247                 char *line;
 248                 size_t len = METADATA_LINE_SIZE;
 249                 FILE *babeltrace_output_fp = NULL;
 250
 251                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 252                 if (!babeltrace_output_fp) {
 253                         perror("fdopen on babeltrace_output_fd");
 254                         goto close_fp;
 255                 }
 256                 babeltrace_output_fd = -1;
 257
 258                 line = malloc(len);
 259                 if (!line) {
 260                         diag("malloc error");
 261                 }
 262                 rewind(babeltrace_output_fp);
 263                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 264                         diag("%s", line);
 265                 }
 266
 267                 free(line);
 268 close_fp:
 269                 if (babeltrace_output_fp) {
 270                         if (fclose(babeltrace_output_fp)) {
 271                                 diag("fclose error");
 272                         }
 273                 }
 274         }
 275
 276         if (babeltrace_output_fd >= 0) {
 277                 if (close(babeltrace_output_fd)) {
 278                         diag("close error");
 279                 }
 280         }
 281 }
 282
 283 void event_copy_tests(struct bt_ctf_event *event)
 284 {
 285         struct bt_ctf_event *copy;
 286         struct bt_ctf_event_class *orig_event_class;
 287         struct bt_ctf_event_class *copy_event_class;
 288         struct bt_ctf_stream *orig_stream;
 289         struct bt_ctf_stream *copy_stream;
 290         struct bt_ctf_field *orig_field;
 291         struct bt_ctf_field *copy_field;
 292
 293         /* copy */
 294         ok(!bt_ctf_event_copy(NULL),
 295                 "bt_ctf_event_copy handles NULL correctly");
 296         copy = bt_ctf_event_copy(event);
 297         ok(copy, "bt_ctf_event_copy returns a valid pointer");
 298
 299         /* validate event class */
 300         orig_event_class = bt_ctf_event_get_class(event);
 301         assert(orig_event_class);
 302         copy_event_class = bt_ctf_event_get_class(copy);
 303         ok(orig_event_class == copy_event_class,
 304                 "original and copied events share the same event class pointer");
 305         bt_put(orig_event_class);
 306         bt_put(copy_event_class);
 307
 308         /* validate stream */
 309         orig_stream = bt_ctf_event_get_stream(event);
 310         copy_stream = bt_ctf_event_get_stream(copy);
 311
 312         if (!orig_stream) {
 313                 ok(!copy_stream, "original and copied events have no stream");
 314         } else {
 315                 ok(orig_stream == copy_stream,
 316                         "original and copied events share the same stream pointer");
 317         }
 318         bt_put(orig_stream);
 319         bt_put(copy_stream);
 320
 321         /* header */
 322         orig_field = bt_ctf_event_get_header(event);
 323         copy_field = bt_ctf_event_get_header(copy);
 324
 325         if (!orig_field) {
 326                 ok(!copy_field, "original and copied events have no header");
 327         } else {
 328                 ok(orig_field != copy_field,
 329                         "original and copied events headers are different pointers");
 330         }
 331
 332         bt_put(orig_field);
 333         bt_put(copy_field);
 334
 335         /* context */
 336         orig_field = bt_ctf_event_get_event_context(event);
 337         copy_field = bt_ctf_event_get_event_context(copy);
 338
 339         if (!orig_field) {
 340                 ok(!copy_field, "original and copied events have no context");
 341         } else {
 342                 ok(orig_field != copy_field,
 343                         "original and copied events contexts are different pointers");
 344         }
 345
 346         bt_put(orig_field);
 347         bt_put(copy_field);
 348
 349         /* payload */
 350         orig_field = bt_ctf_event_get_payload_field(event);
 351         copy_field = bt_ctf_event_get_payload_field(copy);
 352
 353         if (!orig_field) {
 354                 ok(!copy_field, "original and copied events have no payload");
 355         } else {
 356                 ok(orig_field != copy_field,
 357                         "original and copied events payloads are different pointers");
 358         }
 359
 360         bt_put(orig_field);
 361         bt_put(copy_field);
 362
 363         bt_put(copy);
 364 }
 365
 366 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 367                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 368 {
 369         /* Create and add a simple event class */
 370         struct bt_ctf_event_class *simple_event_class =
 371                 bt_ctf_event_class_create("Simple Event");
 372         struct bt_ctf_field_type *uint_12_type =
 373                 bt_ctf_field_type_integer_create(12);
 374         struct bt_ctf_field_type *int_64_type =
 375                 bt_ctf_field_type_integer_create(64);
 376         struct bt_ctf_field_type *float_type =
 377                 bt_ctf_field_type_floating_point_create();
 378         struct bt_ctf_field_type *enum_type;
 379         struct bt_ctf_field_type *enum_type_unsigned =
 380                 bt_ctf_field_type_enumeration_create(uint_12_type);
 381         struct bt_ctf_field_type *event_context_type =
 382                 bt_ctf_field_type_structure_create();
 383         struct bt_ctf_field_type *returned_type;
 384         struct bt_ctf_event *simple_event;
 385         struct bt_ctf_field *integer_field;
 386         struct bt_ctf_field *float_field;
 387         struct bt_ctf_field *enum_field;
 388         struct bt_ctf_field *enum_field_unsigned;
 389         struct bt_ctf_field *enum_container_field;
 390         const char *mapping_name_test = "truie";
 391         const double double_test_value = 3.1415;
 392         struct bt_ctf_field *enum_container_field_unsigned;
 393         const char *mapping_name_negative_test = "negative_value";
 394         const char *ret_char;
 395         double ret_double;
 396         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 397         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 398         struct bt_ctf_clock *ret_clock;
 399         struct bt_ctf_event_class *ret_event_class;
 400         struct bt_ctf_field *packet_context;
 401         struct bt_ctf_field *packet_context_field;
 402         struct bt_ctf_field *stream_event_context;
 403         struct bt_ctf_field *stream_event_context_field;
 404         struct bt_ctf_field *event_context;
 405         struct bt_ctf_field *event_context_field;
 406         int ret;
 407
 408         ok(uint_12_type, "Create an unsigned integer type");
 409
 410         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 411         ok(int_64_type, "Create a signed integer type");
 412         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 413
 414         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 415         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 416         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 417         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 418                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 419         bt_put(returned_type);
 420
 421         bt_ctf_field_type_set_alignment(float_type, 32);
 422         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 423                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 424         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 425                 "bt_ctf_field_type_get_alignment returns a correct value");
 426
 427         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 428                 "Set a floating point type's exponent digit count");
 429         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 430                 "Set a floating point type's mantissa digit count");
 431
 432         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 433                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 434         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 435                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 436         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 437                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 438         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 439                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 440
 441         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 442                 mapping_name_negative_test, -12345, 0) == 0,
 443                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 444         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 445                 "escaping; \"test\"", 1, 1) == 0,
 446                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 447         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 448                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 449                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 450         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 451                 "event clock int float", 5, 22) == 0,
 452                 "Accept enumeration mapping strings containing reserved keywords");
 453         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 454                 42, 42);
 455         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 456                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 457         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 458                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 459         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 460                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 461         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 462
 463         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 464                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 465         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 466                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 467         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 468                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 469
 470         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 471                 "enum_field") == 0, "Add signed enumeration field to event");
 472
 473         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 474                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 475                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 476         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 477                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 478                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 479         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 480                 NULL, &ret_range_end_int64_t) < 0,
 481                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 482         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 483                 &ret_range_start_int64_t, NULL) < 0,
 484                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 485         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 486                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 487                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 488         ok(!strcmp(ret_char, mapping_name_test),
 489                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 490         ok(ret_range_start_int64_t == 42,
 491                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 492         ok(ret_range_end_int64_t == 42,
 493                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 494
 495         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 496                 "escaping; \"test\"", 0, 0) == 0,
 497                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 498         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 499                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 500                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 501         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 502                 "event clock int float", 5, 22) == 0,
 503                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 504         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 505                 42, 42);
 506         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 507                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 508         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 509                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 510         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 511                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 512         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 513                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 514
 515         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 516                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 517         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 518                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 519
 520         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 521                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 522                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 523         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 524                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 525                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 526         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 527                 NULL, &ret_range_end_uint64_t) < 0,
 528                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 529         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 530                 &ret_range_start_uint64_t, NULL) < 0,
 531                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 532         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 533                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 534                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 535         ok(!strcmp(ret_char, mapping_name_test),
 536                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 537         ok(ret_range_start_uint64_t == 42,
 538                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 539         ok(ret_range_end_uint64_t == 42,
 540                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 541
 542         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 543                 "integer_field");
 544         bt_ctf_event_class_add_field(simple_event_class, float_type,
 545                 "float_field");
 546
 547         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 548
 549         /* Set an event context type which will contain a single integer*/
 550         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 551                 "event_specific_context"),
 552                 "Add event specific context field");
 553         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 554                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 555         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 556                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 557
 558         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 559                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 560         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 561                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 562         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 563                 "Set an event class' context type successfully");
 564         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 565         ok(returned_type == event_context_type,
 566                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 567         bt_put(returned_type);
 568
 569         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 570
 571         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 572                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 573         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 574                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 575         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 576                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 577         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 578                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 579         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 580         ok(ret_event_class == simple_event_class,
 581                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 582         bt_put(ret_event_class);
 583         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 584                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 585         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 586                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 587         ret_event_class =
 588                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 589         ok(ret_event_class == simple_event_class,
 590                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 591         bt_put(ret_event_class);
 592
 593         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 594                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 595         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 596                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 597         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 598                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 599         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 600         ok(ret_event_class == simple_event_class,
 601                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 602         bt_put(ret_event_class);
 603
 604         simple_event = bt_ctf_event_create(simple_event_class);
 605         ok(simple_event,
 606                 "Instantiate an event containing a single integer field");
 607
 608         ok(bt_ctf_event_get_clock(NULL) == NULL,
 609                 "bt_ctf_event_get_clock handles NULL correctly");
 610         ret_clock = bt_ctf_event_get_clock(simple_event);
 611         ok(ret_clock == clock,
 612                 "bt_ctf_event_get_clock returns a correct clock");
 613         bt_put(clock);
 614
 615         integer_field = bt_ctf_field_create(uint_12_type);
 616         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 617         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 618                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 619
 620         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 621         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 622                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 623         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 624         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 625                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 626         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 627                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 628         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 629                 "bt_ctf_field_floating_point_get_value returns a double value");
 630         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 631                 "bt_ctf_field_floating_point_get_value returns a correct value");
 632
 633         enum_field = bt_ctf_field_create(enum_type);
 634         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 635         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 636         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 637         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 638         enum_container_field = bt_ctf_field_enumeration_get_container(
 639                 enum_field);
 640         ok(bt_ctf_field_signed_integer_set_value(
 641                 enum_container_field, -42) == 0,
 642                 "Set signed enumeration container value");
 643         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 644         ok(!strcmp(ret_char, mapping_name_negative_test),
 645                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 646         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 647         assert(!ret);
 648
 649         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 650         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 651                 enum_field_unsigned);
 652         ok(bt_ctf_field_unsigned_integer_set_value(
 653                 enum_container_field_unsigned, 42) == 0,
 654                 "Set unsigned enumeration container value");
 655         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 656                 enum_field_unsigned);
 657         assert(!ret);
 658         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 659         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 660                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 661
 662         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 663
 664         /* Populate stream event context */
 665         stream_event_context = bt_ctf_stream_get_event_context(stream);
 666         stream_event_context_field = bt_ctf_field_structure_get_field(
 667                 stream_event_context, "common_event_context");
 668         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 669
 670         /* Populate the event's context */
 671         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 672                 "bt_ctf_event_get_event_context handles NULL correctly");
 673         event_context = bt_ctf_event_get_event_context(simple_event);
 674         ok(event_context,
 675                 "bt_ctf_event_get_event_context returns a field");
 676         returned_type = bt_ctf_field_get_type(event_context);
 677         ok(returned_type == event_context_type,
 678                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 679         event_context_field = bt_ctf_field_structure_get_field(event_context,
 680                 "event_specific_context");
 681         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 682                 "Successfully set an event context's value");
 683         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 684                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 685         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 686                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 687         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 688                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 689         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 690                 "Set an event context successfully");
 691
 692         event_copy_tests(simple_event);
 693         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 694                 "Append simple event to trace stream");
 695
 696         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 697                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 698         packet_context = bt_ctf_stream_get_packet_context(stream);
 699         ok(packet_context,
 700                 "bt_ctf_stream_get_packet_context returns a packet context");
 701
 702         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 703                 "packet_size");
 704         ok(packet_context_field,
 705                 "Packet context contains the default packet_size field.");
 706         bt_put(packet_context_field);
 707         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 708                 "custom_packet_context_field");
 709         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 710                 "Custom packet context field value successfully set.");
 711
 712         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 713                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 714         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 715                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 716         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 717                 "Successfully set a stream's packet context");
 718
 719         ok(bt_ctf_stream_flush(stream) == 0,
 720                 "Flush trace stream with one event");
 721
 722         bt_put(simple_event_class);
 723         bt_put(simple_event);
 724         bt_put(uint_12_type);
 725         bt_put(int_64_type);
 726         bt_put(float_type);
 727         bt_put(enum_type);
 728         bt_put(enum_type_unsigned);
 729         bt_put(returned_type);
 730         bt_put(event_context_type);
 731         bt_put(integer_field);
 732         bt_put(float_field);
 733         bt_put(enum_field);
 734         bt_put(enum_field_unsigned);
 735         bt_put(enum_container_field);
 736         bt_put(enum_container_field_unsigned);
 737         bt_put(packet_context);
 738         bt_put(packet_context_field);
 739         bt_put(stream_event_context);
 740         bt_put(stream_event_context_field);
 741         bt_put(event_context);
 742         bt_put(event_context_field);
 743 }
 744
 745 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 746                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 747 {
 748         struct event_class_attrs_counts {
 749                 int id;
 750                 int name;
 751                 int loglevel;
 752                 int modelemfuri;
 753                 int unknown;
 754         } attrs_count;
 755
 756         int i;
 757         int ret;
 758         int64_t int64_value;
 759         struct event_class_attrs_counts ;
 760         const char *complex_test_event_string = "Complex Test Event";
 761         const char *test_string_1 = "Test ";
 762         const char *test_string_2 = "string ";
 763         const char *test_string_3 = "abcdefghi";
 764         const char *test_string_4 = "abcd\0efg\0hi";
 765         const char *test_string_cat = "Test string abcdeabcd";
 766         struct bt_ctf_field_type *uint_35_type =
 767                 bt_ctf_field_type_integer_create(35);
 768         struct bt_ctf_field_type *int_16_type =
 769                 bt_ctf_field_type_integer_create(16);
 770         struct bt_ctf_field_type *uint_3_type =
 771                 bt_ctf_field_type_integer_create(3);
 772         struct bt_ctf_field_type *enum_variant_type =
 773                 bt_ctf_field_type_enumeration_create(uint_3_type);
 774         struct bt_ctf_field_type *variant_type =
 775                 bt_ctf_field_type_variant_create(enum_variant_type,
 776                         "variant_selector");
 777         struct bt_ctf_field_type *string_type =
 778                 bt_ctf_field_type_string_create();
 779         struct bt_ctf_field_type *sequence_type;
 780         struct bt_ctf_field_type *array_type;
 781         struct bt_ctf_field_type *inner_structure_type =
 782                 bt_ctf_field_type_structure_create();
 783         struct bt_ctf_field_type *complex_structure_type =
 784                 bt_ctf_field_type_structure_create();
 785         struct bt_ctf_field_type *ret_field_type;
 786         struct bt_ctf_event_class *event_class;
 787         struct bt_ctf_event *event;
 788         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 789                 *inner_structure_field, *complex_structure_field,
 790                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 791                 *variant_field, *an_array_field, *ret_field;
 792         uint64_t ret_unsigned_int;
 793         int64_t ret_signed_int;
 794         const char *ret_string;
 795         struct bt_ctf_stream_class *ret_stream_class;
 796         struct bt_ctf_event_class *ret_event_class;
 797         struct bt_ctf_field *packet_context, *packet_context_field;
 798         struct bt_value *obj;
 799
 800         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 801                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 802         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 803                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 804         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 805                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 806         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 807                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 808         bt_ctf_field_type_set_alignment(int_16_type, 32);
 809         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 810         bt_ctf_field_type_integer_set_base(uint_35_type,
 811                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 812
 813         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 814         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 815                 "seq_len");
 816
 817         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 818                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 819         ret_field_type = bt_ctf_field_type_array_get_element_type(
 820                 array_type);
 821         ok(ret_field_type == int_16_type,
 822                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 823         bt_put(ret_field_type);
 824
 825         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 826                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 827         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 828                 "bt_ctf_field_type_array_get_length returns the correct length");
 829
 830         bt_ctf_field_type_structure_add_field(inner_structure_type,
 831                 uint_35_type, "seq_len");
 832         bt_ctf_field_type_structure_add_field(inner_structure_type,
 833                 sequence_type, "a_sequence");
 834         bt_ctf_field_type_structure_add_field(inner_structure_type,
 835                 array_type, "an_array");
 836
 837         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 838                 "UINT3_TYPE", 0, 0);
 839         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 840                 "INT16_TYPE", 1, 1);
 841         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 842                 "UINT35_TYPE", 2, 7);
 843
 844         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 845                 "INT16_TYPE") < 0,
 846                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 847         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 848                 enum_variant_type, NULL) < 0,
 849                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 850         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 851                 enum_variant_type, "INT16_TYPE") == 1,
 852                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 853
 854         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 855                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 856         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 857                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 858         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 859                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 860
 861         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 862                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 863         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 864                 "UINT3_TYPE") == 0, "Add a field to a variant");
 865         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 866                 "INT16_TYPE");
 867         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 868                 "UINT35_TYPE");
 869
 870         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 871                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 872         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 873         ok(ret_field_type == enum_variant_type,
 874                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 875         bt_put(ret_field_type);
 876
 877         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 878                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 879         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 880         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 881                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 882         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 883                 "INT16_TYPE") == NULL,
 884                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 885         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 886                 NULL) == NULL,
 887                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 888         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 889                 variant_type, "INT16_TYPE");
 890         ok(ret_field_type == int_16_type,
 891                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 892         bt_put(ret_field_type);
 893
 894         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 895                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 896         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 897                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 898
 899         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 900                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 901         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 902                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 903         bt_put(ret_field_type);
 904         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 905                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 906         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 907                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 908         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 909                 "bt_ctf_field_type_variant_get_field returns a field");
 910         ok(!strcmp("INT16_TYPE", ret_string),
 911                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 912         ok(ret_field_type == int_16_type,
 913                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 914         bt_put(ret_field_type);
 915
 916         bt_ctf_field_type_structure_add_field(complex_structure_type,
 917                 enum_variant_type, "variant_selector");
 918         bt_ctf_field_type_structure_add_field(complex_structure_type,
 919                 string_type, "a_string");
 920         bt_ctf_field_type_structure_add_field(complex_structure_type,
 921                 variant_type, "variant_value");
 922         bt_ctf_field_type_structure_add_field(complex_structure_type,
 923                 inner_structure_type, "inner_structure");
 924
 925         ok(bt_ctf_event_class_create("clock") == NULL,
 926                 "Reject creation of an event class with an illegal name");
 927         event_class = bt_ctf_event_class_create(complex_test_event_string);
 928         ok(event_class, "Create an event class");
 929         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 930                 "Reject addition of a field with an empty name to an event");
 931         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 932                 "Reject addition of a field with a NULL type to an event");
 933         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 934                 "int"),
 935                 "Reject addition of a type with an illegal name to an event");
 936         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 937                 "uint_35") == 0,
 938                 "Add field of type unsigned integer to an event");
 939         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 940                 "int_16") == 0, "Add field of type signed integer to an event");
 941         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 942                 "complex_structure") == 0,
 943                 "Add composite structure to an event");
 944
 945         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 946                 "bt_ctf_event_class_get_name handles NULL correctly");
 947         ret_string = bt_ctf_event_class_get_name(event_class);
 948         ok(!strcmp(ret_string, complex_test_event_string),
 949                 "bt_ctf_event_class_get_name returns a correct name");
 950         ok(bt_ctf_event_class_get_id(event_class) < 0,
 951                 "bt_ctf_event_class_get_id returns a negative value when not set");
 952         ok(bt_ctf_event_class_get_id(NULL) < 0,
 953                 "bt_ctf_event_class_get_id handles NULL correctly");
 954         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 955                 "bt_ctf_event_class_set_id handles NULL correctly");
 956         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 957                 "Set an event class' id");
 958         ok(bt_ctf_event_class_get_id(event_class) == 42,
 959                 "bt_ctf_event_class_get_id returns the correct value");
 960
 961         /* Test event class attributes */
 962         obj = bt_value_integer_create_init(15);
 963         assert(obj);
 964         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 965                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 966         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 967                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 968         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 969                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 970         assert(!bt_value_integer_set(obj, -3));
 971         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 972                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 973         assert(!bt_value_integer_set(obj, 11));
 974         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 975         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 976                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 977         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 978         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 979         ok(ret,
 980                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 981         BT_PUT(obj);
 982
 983         obj = bt_value_integer_create_init(5);
 984         assert(obj);
 985         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 986                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 987         BT_PUT(obj);
 988         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 989                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 990         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 991                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 992         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 993                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 994         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 995                 "loglevel");
 996         int64_value = 0;
 997         ret = bt_value_integer_get(obj, &int64_value);
 998         ok(obj && !ret && int64_value == 5,
 999                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
1000         BT_PUT(obj);
1001
1002         obj = bt_value_string_create_init("nu name");
1003         assert(obj);
1004         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
1005         ret_string = bt_ctf_event_class_get_name(event_class);
1006         ok(!strcmp(ret_string, "nu name"),
1007                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
1008         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
1009         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
1010         ok(ret,
1011                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
1012         BT_PUT(obj);
1013         obj = bt_value_string_create_init("http://kernel.org/");
1014         assert(obj);
1015         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
1016         BT_PUT(obj);
1017
1018         ok(bt_ctf_event_class_get_attribute_count(NULL),
1019                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1020         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1021                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1022         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1023                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1024         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1025                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1026         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1027                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1028         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1029                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1030
1031         memset(&attrs_count, 0, sizeof(attrs_count));
1032
1033         for (i = 0; i < 4; ++i) {
1034                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1035                         i);
1036                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1037                 assert(ret_string && obj);
1038
1039                 if (!strcmp(ret_string, "id")) {
1040                         attrs_count.id++;
1041                         ok(bt_value_is_integer(obj),
1042                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1043                                 ret_string);
1044                 } else if (!strcmp(ret_string, "name")) {
1045                         attrs_count.name++;
1046                         ok(bt_value_is_string(obj),
1047                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1048                                 ret_string);
1049                 } else if (!strcmp(ret_string, "loglevel")) {
1050                         attrs_count.loglevel++;
1051                         ok(bt_value_is_integer(obj),
1052                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1053                                 ret_string);
1054                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1055                         attrs_count.modelemfuri++;
1056                         ok(bt_value_is_string(obj),
1057                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1058                                 ret_string);
1059                 } else {
1060                         attrs_count.unknown++;
1061                 }
1062
1063                 BT_PUT(obj);
1064         }
1065
1066         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1067         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1068                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1069                 "event class has one instance of each known attribute");
1070
1071         /* Add event class to the stream class */
1072         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1073                 "Reject addition of NULL event class to a stream class");
1074         ok(bt_ctf_stream_class_add_event_class(stream_class,
1075                 event_class) == 0, "Add an event class to stream class");
1076
1077         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1078                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1079         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1080         ok(ret_stream_class == stream_class,
1081                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1082         bt_put(ret_stream_class);
1083
1084         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1085                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1086         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1087                 "bt_ctf_event_class_get_field_count returns a correct value");
1088
1089         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1090                 &ret_field_type, 0) < 0,
1091                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1092         ok(bt_ctf_event_class_get_field(event_class, NULL,
1093                 &ret_field_type, 0) == 0,
1094                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1095         bt_put(ret_field_type);
1096         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1097                 NULL, 0) == 0,
1098                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1099         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1100                 &ret_field_type, 42) < 0,
1101                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1102         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1103                 &ret_field_type, 0) == 0,
1104                 "bt_ctf_event_class_get_field returns a field");
1105         ok(ret_field_type == uint_35_type,
1106                 "bt_ctf_event_class_get_field returns a correct field type");
1107         bt_put(ret_field_type);
1108         ok(!strcmp(ret_string, "uint_35"),
1109                 "bt_ctf_event_class_get_field returns a correct field name");
1110         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1111                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1112         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1113                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1114         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1115                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1116         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1117                 "complex_structure");
1118         ok(ret_field_type == complex_structure_type,
1119                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1120         bt_put(ret_field_type);
1121
1122         event = bt_ctf_event_create(event_class);
1123         ok(event, "Instanciate a complex event");
1124
1125         ok(bt_ctf_event_get_class(NULL) == NULL,
1126                 "bt_ctf_event_get_class handles NULL correctly");
1127         ret_event_class = bt_ctf_event_get_class(event);
1128         ok(ret_event_class == event_class,
1129                 "bt_ctf_event_get_class returns the correct event class");
1130         bt_put(ret_event_class);
1131
1132         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1133         if (!uint_35_field) {
1134                 printf("uint_35_field is NULL\n");
1135         }
1136
1137         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1138         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1139         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1140                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1141         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1142                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1143         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1144                 &ret_unsigned_int) == 0,
1145                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1146         ok(ret_unsigned_int == 0x0DDF00D,
1147                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1148         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1149                 &ret_signed_int) < 0,
1150                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1151         bt_put(uint_35_field);
1152
1153         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1154         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1155         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1156                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1157         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1158                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1159         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1160                 &ret_signed_int) == 0,
1161                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1162         ok(ret_signed_int == -12345,
1163                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1164         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1165                 &ret_unsigned_int) < 0,
1166                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1167         bt_put(int_16_field);
1168
1169         complex_structure_field = bt_ctf_event_get_payload(event,
1170                 "complex_structure");
1171
1172         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1173                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1174         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1175                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1176         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1177                 complex_structure_field, 3);
1178         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1179         bt_put(inner_structure_field);
1180         ok(ret_field_type == inner_structure_type,
1181                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1182         bt_put(ret_field_type);
1183
1184         inner_structure_field = bt_ctf_field_structure_get_field(
1185                 complex_structure_field, "inner_structure");
1186         a_string_field = bt_ctf_field_structure_get_field(
1187                 complex_structure_field, "a_string");
1188         enum_variant_field = bt_ctf_field_structure_get_field(
1189                 complex_structure_field, "variant_selector");
1190         variant_field = bt_ctf_field_structure_get_field(
1191                 complex_structure_field, "variant_value");
1192         uint_35_field = bt_ctf_field_structure_get_field(
1193                 inner_structure_field, "seq_len");
1194         a_sequence_field = bt_ctf_field_structure_get_field(
1195                 inner_structure_field, "a_sequence");
1196         an_array_field = bt_ctf_field_structure_get_field(
1197                 inner_structure_field, "an_array");
1198
1199         enum_container_field = bt_ctf_field_enumeration_get_container(
1200                 enum_variant_field);
1201         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1202         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1203                 enum_variant_field);
1204         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1205         bt_put(int_16_field);
1206         ok(!bt_ctf_field_string_get_value(a_string_field),
1207                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1208         bt_ctf_field_string_set_value(a_string_field,
1209                 test_string_1);
1210         ok(!bt_ctf_field_string_get_value(NULL),
1211                 "bt_ctf_field_string_get_value correctly handles NULL");
1212         ok(bt_ctf_field_string_append(NULL, "yeah"),
1213                 "bt_ctf_field_string_append correctly handles a NULL string field");
1214         ok(bt_ctf_field_string_append(a_string_field, NULL),
1215                 "bt_ctf_field_string_append correctly handles a NULL string value");
1216         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1217                 "bt_ctf_field_string_append succeeds");
1218         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1219                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1220         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1221                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1222         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1223                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1224         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1225                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1226         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1227                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1228         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1229                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1230
1231         ret_string = bt_ctf_field_string_get_value(a_string_field);
1232         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1233         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1234                 "bt_ctf_field_string_get_value returns a correct value");
1235         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1236                 SEQUENCE_TEST_LENGTH);
1237
1238         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1239                 enum_container_field) == NULL,
1240                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1241         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1242                 NULL) == NULL,
1243                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1244         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1245                 variant_type, enum_variant_field);
1246         ok(ret_field_type == int_16_type,
1247                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1248
1249         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1250                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1251         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1252                 uint_35_field) == 0, "Set a sequence field's length");
1253         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1254         ok(ret_field == uint_35_field,
1255                 "bt_ctf_field_sequence_get_length returns the correct length field");
1256         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1257                 "bt_ctf_field_sequence_get_length properly handles NULL");
1258
1259         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1260                 int_16_field = bt_ctf_field_sequence_get_field(
1261                         a_sequence_field, i);
1262                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1263                 bt_put(int_16_field);
1264         }
1265
1266         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1267                 int_16_field = bt_ctf_field_array_get_field(
1268                         an_array_field, i);
1269                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1270                 bt_put(int_16_field);
1271         }
1272
1273         bt_ctf_clock_set_time(clock, ++current_time);
1274         ok(bt_ctf_stream_append_event(stream, event) == 0,
1275                 "Append a complex event to a stream");
1276
1277         /*
1278          * Populate the custom packet context field with a dummy value
1279          * otherwise flush will fail.
1280          */
1281         packet_context = bt_ctf_stream_get_packet_context(stream);
1282         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1283                 "custom_packet_context_field");
1284         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1285
1286         ok(bt_ctf_stream_flush(stream) == 0,
1287                 "Flush a stream containing a complex event");
1288
1289         bt_put(uint_35_field);
1290         bt_put(a_string_field);
1291         bt_put(inner_structure_field);
1292         bt_put(complex_structure_field);
1293         bt_put(a_sequence_field);
1294         bt_put(an_array_field);
1295         bt_put(enum_variant_field);
1296         bt_put(enum_container_field);
1297         bt_put(variant_field);
1298         bt_put(ret_field);
1299         bt_put(packet_context_field);
1300         bt_put(packet_context);
1301         bt_put(uint_35_type);
1302         bt_put(int_16_type);
1303         bt_put(string_type);
1304         bt_put(sequence_type);
1305         bt_put(array_type);
1306         bt_put(inner_structure_type);
1307         bt_put(complex_structure_type);
1308         bt_put(uint_3_type);
1309         bt_put(enum_variant_type);
1310         bt_put(variant_type);
1311         bt_put(ret_field_type);
1312         bt_put(event_class);
1313         bt_put(event);
1314 }
1315
1316 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1317         struct bt_ctf_field_type *expected_type, const char *name)
1318 {
1319         struct bt_ctf_field_type *copy_type;
1320
1321         copy_type = bt_ctf_field_get_type(field);
1322         ok(copy_type == expected_type,
1323                 "bt_ctf_field_copy does not copy the type (%s)", name);
1324         bt_put(copy_type);
1325 }
1326
1327 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1328         struct bt_ctf_field *field_b, const char *name)
1329 {
1330         ok(field_a != field_b,
1331                 "bt_ctf_field_copy creates different pointers (%s)", name);
1332 }
1333
1334 void field_copy_tests()
1335 {
1336         struct bt_ctf_field_type *len_type = NULL;
1337         struct bt_ctf_field_type *fp_type = NULL;
1338         struct bt_ctf_field_type *s_type = NULL;
1339         struct bt_ctf_field_type *e_int_type = NULL;
1340         struct bt_ctf_field_type *e_type = NULL;
1341         struct bt_ctf_field_type *v_type = NULL;
1342         struct bt_ctf_field_type *v_label1_type = NULL;
1343         struct bt_ctf_field_type *v_label1_array_type = NULL;
1344         struct bt_ctf_field_type *v_label2_type = NULL;
1345         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1346         struct bt_ctf_field_type *strct_type = NULL;
1347         struct bt_ctf_field *len = NULL;
1348         struct bt_ctf_field *fp = NULL;
1349         struct bt_ctf_field *s = NULL;
1350         struct bt_ctf_field *e_int = NULL;
1351         struct bt_ctf_field *e = NULL;
1352         struct bt_ctf_field *v = NULL;
1353         struct bt_ctf_field *v_selected = NULL;
1354         struct bt_ctf_field *v_selected_cur = NULL;
1355         struct bt_ctf_field *v_selected_0 = NULL;
1356         struct bt_ctf_field *v_selected_1 = NULL;
1357         struct bt_ctf_field *v_selected_2 = NULL;
1358         struct bt_ctf_field *v_selected_3 = NULL;
1359         struct bt_ctf_field *v_selected_4 = NULL;
1360         struct bt_ctf_field *v_selected_5 = NULL;
1361         struct bt_ctf_field *v_selected_6 = NULL;
1362         struct bt_ctf_field *a = NULL;
1363         struct bt_ctf_field *a_0 = NULL;
1364         struct bt_ctf_field *a_1 = NULL;
1365         struct bt_ctf_field *a_2 = NULL;
1366         struct bt_ctf_field *a_3 = NULL;
1367         struct bt_ctf_field *a_4 = NULL;
1368         struct bt_ctf_field *strct = NULL;
1369         struct bt_ctf_field *len_copy = NULL;
1370         struct bt_ctf_field *fp_copy = NULL;
1371         struct bt_ctf_field *s_copy = NULL;
1372         struct bt_ctf_field *e_int_copy = NULL;
1373         struct bt_ctf_field *e_copy = NULL;
1374         struct bt_ctf_field *v_copy = NULL;
1375         struct bt_ctf_field *v_selected_copy = NULL;
1376         struct bt_ctf_field *v_selected_copy_len = NULL;
1377         struct bt_ctf_field *v_selected_0_copy = NULL;
1378         struct bt_ctf_field *v_selected_1_copy = NULL;
1379         struct bt_ctf_field *v_selected_2_copy = NULL;
1380         struct bt_ctf_field *v_selected_3_copy = NULL;
1381         struct bt_ctf_field *v_selected_4_copy = NULL;
1382         struct bt_ctf_field *v_selected_5_copy = NULL;
1383         struct bt_ctf_field *v_selected_6_copy = NULL;
1384         struct bt_ctf_field *a_copy = NULL;
1385         struct bt_ctf_field *a_0_copy = NULL;
1386         struct bt_ctf_field *a_1_copy = NULL;
1387         struct bt_ctf_field *a_2_copy = NULL;
1388         struct bt_ctf_field *a_3_copy = NULL;
1389         struct bt_ctf_field *a_4_copy = NULL;
1390         struct bt_ctf_field *strct_copy = NULL;
1391         uint64_t uint64_t_val;
1392         const char *str_val;
1393         double double_val;
1394         int ret;
1395
1396         /* create len type */
1397         len_type = bt_ctf_field_type_integer_create(32);
1398         assert(len_type);
1399
1400         /* create fp type */
1401         fp_type = bt_ctf_field_type_floating_point_create();
1402         assert(fp_type);
1403
1404         /* create s type */
1405         s_type = bt_ctf_field_type_string_create();
1406         assert(s_type);
1407
1408         /* create e_int type */
1409         e_int_type = bt_ctf_field_type_integer_create(8);
1410         assert(e_int_type);
1411
1412         /* create e type */
1413         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1414         assert(e_type);
1415         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1416                 10, 15);
1417         assert(!ret);
1418         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1419                 23, 23);
1420         assert(!ret);
1421
1422         /* create v_label1 type */
1423         v_label1_type = bt_ctf_field_type_string_create();
1424         assert(v_label1_type);
1425
1426         /* create v_label1_array type */
1427         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1428         assert(v_label1_array_type);
1429
1430         /* create v_label2 type */
1431         v_label2_type = bt_ctf_field_type_integer_create(16);
1432         assert(v_label2_type);
1433
1434         /* create v_label2_seq type */
1435         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1436                 "len");
1437         assert(v_label2_seq_type);
1438
1439         /* create v type */
1440         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1441         assert(v_type);
1442         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1443                 "LABEL1");
1444         assert(!ret);
1445         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1446                 "LABEL2");
1447         assert(!ret);
1448
1449         /* create strct type */
1450         strct_type = bt_ctf_field_type_structure_create();
1451         assert(strct_type);
1452         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1453                 "len");
1454         assert(!ret);
1455         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1456         assert(!ret);
1457         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1458         assert(!ret);
1459         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1460         assert(!ret);
1461         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1462         assert(!ret);
1463         ret = bt_ctf_field_type_structure_add_field(strct_type,
1464                 v_label1_array_type, "a");
1465         assert(!ret);
1466
1467         /* create strct */
1468         strct = bt_ctf_field_create(strct_type);
1469         assert(strct);
1470
1471         /* get len field */
1472         len = bt_ctf_field_structure_get_field(strct, "len");
1473         assert(len);
1474
1475         /* get fp field */
1476         fp = bt_ctf_field_structure_get_field(strct, "fp");
1477         assert(fp);
1478
1479         /* get s field */
1480         s = bt_ctf_field_structure_get_field(strct, "s");
1481         assert(s);
1482
1483         /* get e field */
1484         e = bt_ctf_field_structure_get_field(strct, "e");
1485         assert(e);
1486
1487         /* get e_int (underlying integer) */
1488         e_int = bt_ctf_field_enumeration_get_container(e);
1489         assert(e_int);
1490
1491         /* get v field */
1492         v = bt_ctf_field_structure_get_field(strct, "v");
1493         assert(v);
1494
1495         /* get a field */
1496         a = bt_ctf_field_structure_get_field(strct, "a");
1497         assert(a);
1498
1499         /* set len field */
1500         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1501         assert(!ret);
1502
1503         /* set fp field */
1504         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1505         assert(!ret);
1506
1507         /* set s field */
1508         ret = bt_ctf_field_string_set_value(s, "btbt");
1509         assert(!ret);
1510
1511         /* set e field (LABEL2) */
1512         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1513         assert(!ret);
1514
1515         /* set v field */
1516         v_selected = bt_ctf_field_variant_get_field(v, e);
1517         assert(v_selected);
1518         ok(!bt_ctf_field_variant_get_current_field(NULL),
1519                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1520         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1521         ok(v_selected_cur == v_selected,
1522                 "bt_ctf_field_variant_get_current_field returns the current field");
1523         bt_put(v_selected_cur);
1524
1525         /* set selected v field */
1526         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1527         assert(!ret);
1528         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1529         assert(v_selected_0);
1530         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1531         assert(!ret);
1532         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1533         assert(v_selected_1);
1534         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1535         assert(!ret);
1536         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1537         assert(v_selected_2);
1538         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1539         assert(!ret);
1540         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1541         assert(v_selected_3);
1542         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1543         assert(!ret);
1544         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1545         assert(v_selected_4);
1546         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1547         assert(!ret);
1548         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1549         assert(v_selected_5);
1550         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1551         assert(!ret);
1552         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1553         assert(v_selected_6);
1554         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1555         assert(!ret);
1556
1557         /* set a field */
1558         a_0 = bt_ctf_field_array_get_field(a, 0);
1559         assert(a_0);
1560         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1561         assert(!ret);
1562         a_1 = bt_ctf_field_array_get_field(a, 1);
1563         assert(a_1);
1564         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1565         assert(!ret);
1566         a_2 = bt_ctf_field_array_get_field(a, 2);
1567         assert(a_2);
1568         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1569         assert(!ret);
1570         a_3 = bt_ctf_field_array_get_field(a, 3);
1571         assert(a_3);
1572         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1573         assert(!ret);
1574         a_4 = bt_ctf_field_array_get_field(a, 4);
1575         assert(a_4);
1576         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1577         assert(!ret);
1578
1579         /* create copy of strct */
1580         ok(!bt_ctf_field_copy(NULL),
1581                 "bt_ctf_field_copy handles NULL correctly");
1582         strct_copy = bt_ctf_field_copy(strct);
1583         ok(strct_copy,
1584                 "bt_ctf_field_copy returns a valid pointer");
1585
1586         /* get all copied fields */
1587         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1588         assert(len_copy);
1589         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1590         assert(fp_copy);
1591         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1592         assert(s_copy);
1593         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1594         assert(e_copy);
1595         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1596         assert(e_int_copy);
1597         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1598         assert(v_copy);
1599         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1600         assert(v_selected_copy);
1601         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1602         assert(v_selected_0_copy);
1603         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1604         assert(v_selected_1_copy);
1605         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1606         assert(v_selected_2_copy);
1607         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1608         assert(v_selected_3_copy);
1609         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1610         assert(v_selected_4_copy);
1611         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1612         assert(v_selected_5_copy);
1613         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1614         assert(v_selected_6_copy);
1615         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1616                 "sequence field copy is not too large");
1617         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1618         assert(a_copy);
1619         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1620         assert(a_0_copy);
1621         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1622         assert(a_1_copy);
1623         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1624         assert(a_2_copy);
1625         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1626         assert(a_3_copy);
1627         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1628         assert(a_4_copy);
1629         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1630                 "array field copy is not too large");
1631
1632         /* make sure copied fields are different pointers */
1633         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1634         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1635         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1636         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1637         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1638         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1639         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1640         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1641                 "v_selected");
1642         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1643                 "v_selected_0");
1644         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1645                 "v_selected_1");
1646         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1647                 "v_selected_2");
1648         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1649                 "v_selected_3");
1650         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1651                 "v_selected_4");
1652         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1653                 "v_selected_5");
1654         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1655                 "v_selected_6");
1656         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1657         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1658         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1659         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1660         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1661         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1662
1663         /* make sure copied fields share the same types */
1664         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1665         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1666         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1667         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1668         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1669         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1670         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1671                 "v_selected");
1672         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1673                 "v_selected_0");
1674         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1675                 "v_selected_1");
1676         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1677                 "v_selected_2");
1678         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1679                 "v_selected_3");
1680         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1681                 "v_selected_4");
1682         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1683                 "v_selected_5");
1684         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1685                 "v_selected_6");
1686         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1687         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1688         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1689         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1690         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1691         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1692
1693         /* validate len copy */
1694         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1695         assert(!ret);
1696         ok(uint64_t_val == 7,
1697                 "bt_ctf_field_copy creates a valid integer field copy");
1698
1699         /* validate fp copy */
1700         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1701         assert(!ret);
1702         ok(double_val == 3.14,
1703                 "bt_ctf_field_copy creates a valid floating point number field copy");
1704
1705         /* validate s copy */
1706         str_val = bt_ctf_field_string_get_value(s_copy);
1707         ok(str_val && !strcmp(str_val, "btbt"),
1708                 "bt_ctf_field_copy creates a valid string field copy");
1709
1710         /* validate e_int copy */
1711         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1712                 &uint64_t_val);
1713         assert(!ret);
1714         ok(uint64_t_val == 23,
1715                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1716
1717         /* validate e copy */
1718         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1719         ok(str_val && !strcmp(str_val, "LABEL2"),
1720                 "bt_ctf_field_copy creates a valid enum field copy");
1721
1722         /* validate v_selected copy */
1723         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1724         assert(v_selected_copy_len);
1725         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1726                 &uint64_t_val);
1727         assert(!ret);
1728         ok(uint64_t_val == 7,
1729                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1730         bt_put(v_selected_copy_len);
1731         v_selected_copy_len = NULL;
1732
1733         /* validate v_selected copy fields */
1734         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1735                 &uint64_t_val);
1736         assert(!ret);
1737         ok(uint64_t_val == 7,
1738                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1739         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1740                 &uint64_t_val);
1741         assert(!ret);
1742         ok(uint64_t_val == 6,
1743                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1744         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1745                 &uint64_t_val);
1746         assert(!ret);
1747         ok(uint64_t_val == 5,
1748                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1749         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1750                 &uint64_t_val);
1751         assert(!ret);
1752         ok(uint64_t_val == 4,
1753                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1754         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1755                 &uint64_t_val);
1756         assert(!ret);
1757         ok(uint64_t_val == 3,
1758                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1759         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1760                 &uint64_t_val);
1761         assert(!ret);
1762         ok(uint64_t_val == 2,
1763                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1764         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1765                 &uint64_t_val);
1766         assert(!ret);
1767         ok(uint64_t_val == 1,
1768                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1769
1770         /* validate a copy fields */
1771         str_val = bt_ctf_field_string_get_value(a_0_copy);
1772         ok(str_val && !strcmp(str_val, "a_0"),
1773                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1774         str_val = bt_ctf_field_string_get_value(a_1_copy);
1775         ok(str_val && !strcmp(str_val, "a_1"),
1776                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1777         str_val = bt_ctf_field_string_get_value(a_2_copy);
1778         ok(str_val && !strcmp(str_val, "a_2"),
1779                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1780         str_val = bt_ctf_field_string_get_value(a_3_copy);
1781         ok(str_val && !strcmp(str_val, "a_3"),
1782                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1783         str_val = bt_ctf_field_string_get_value(a_4_copy);
1784         ok(str_val && !strcmp(str_val, "a_4"),
1785                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1786
1787         /* put everything */
1788         bt_put(len_type);
1789         bt_put(fp_type);
1790         bt_put(s_type);
1791         bt_put(e_int_type);
1792         bt_put(e_type);
1793         bt_put(v_type);
1794         bt_put(v_label1_type);
1795         bt_put(v_label1_array_type);
1796         bt_put(v_label2_type);
1797         bt_put(v_label2_seq_type);
1798         bt_put(strct_type);
1799         bt_put(len);
1800         bt_put(fp);
1801         bt_put(s);
1802         bt_put(e_int);
1803         bt_put(e);
1804         bt_put(v);
1805         bt_put(v_selected);
1806         bt_put(v_selected_0);
1807         bt_put(v_selected_1);
1808         bt_put(v_selected_2);
1809         bt_put(v_selected_3);
1810         bt_put(v_selected_4);
1811         bt_put(v_selected_5);
1812         bt_put(v_selected_6);
1813         bt_put(a);
1814         bt_put(a_0);
1815         bt_put(a_1);
1816         bt_put(a_2);
1817         bt_put(a_3);
1818         bt_put(a_4);
1819         bt_put(strct);
1820         bt_put(len_copy);
1821         bt_put(fp_copy);
1822         bt_put(s_copy);
1823         bt_put(e_int_copy);
1824         bt_put(e_copy);
1825         bt_put(v_copy);
1826         bt_put(v_selected_copy);
1827         bt_put(v_selected_0_copy);
1828         bt_put(v_selected_1_copy);
1829         bt_put(v_selected_2_copy);
1830         bt_put(v_selected_3_copy);
1831         bt_put(v_selected_4_copy);
1832         bt_put(v_selected_5_copy);
1833         bt_put(v_selected_6_copy);
1834         bt_put(a_copy);
1835         bt_put(a_0_copy);
1836         bt_put(a_1_copy);
1837         bt_put(a_2_copy);
1838         bt_put(a_3_copy);
1839         bt_put(a_4_copy);
1840         bt_put(strct_copy);
1841 }
1842
1843 void type_field_tests()
1844 {
1845         struct bt_ctf_field *uint_12;
1846         struct bt_ctf_field *int_16;
1847         struct bt_ctf_field *string;
1848         struct bt_ctf_field *enumeration;
1849         struct bt_ctf_field_type *composite_structure_type;
1850         struct bt_ctf_field_type *structure_seq_type;
1851         struct bt_ctf_field_type *string_type;
1852         struct bt_ctf_field_type *sequence_type;
1853         struct bt_ctf_field_type *uint_8_type;
1854         struct bt_ctf_field_type *int_16_type;
1855         struct bt_ctf_field_type *uint_12_type =
1856                 bt_ctf_field_type_integer_create(12);
1857         struct bt_ctf_field_type *enumeration_type;
1858         struct bt_ctf_field_type *enumeration_sequence_type;
1859         struct bt_ctf_field_type *enumeration_array_type;
1860         struct bt_ctf_field_type *returned_type;
1861         const char *ret_string;
1862
1863         returned_type = bt_ctf_field_get_type(NULL);
1864         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1865
1866         ok(uint_12_type, "Create an unsigned integer type");
1867         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1868                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1869                 "Set integer type's base as binary");
1870         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1871                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1872                 "Set integer type's base as decimal");
1873         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1874                 BT_CTF_INTEGER_BASE_UNKNOWN),
1875                 "Reject integer type's base set as unknown");
1876         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1877                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1878                 "Set integer type's base as octal");
1879         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1880                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1881                 "Set integer type's base as hexadecimal");
1882         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1883                 "Reject unknown integer base value");
1884         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1885                 "Set integer type signedness to signed");
1886         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1887                 "Set integer type signedness to unsigned");
1888         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1889                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1890         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1891                 "bt_ctf_field_type_integer_get_size returns a correct value");
1892         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1893                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1894         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1895                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1896
1897         ok(bt_ctf_field_type_set_byte_order(NULL,
1898                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1899                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1900         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1901                 (enum bt_ctf_byte_order) 42) < 0,
1902                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1903         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1904                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1905                 "Set an integer's byte order to little endian");
1906         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1907                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1908                 "Set an integer's byte order to big endian");
1909         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1910                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1911                 "bt_ctf_field_type_get_byte_order returns a correct value");
1912         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1913                 BT_CTF_BYTE_ORDER_UNKNOWN,
1914                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1915
1916         ok(bt_ctf_field_type_get_type_id(NULL) ==
1917                 CTF_TYPE_UNKNOWN,
1918                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1919         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1920                 CTF_TYPE_INTEGER,
1921                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1922
1923         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1924                 BT_CTF_INTEGER_BASE_UNKNOWN,
1925                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1926         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1927                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1928                 "bt_ctf_field_type_integer_get_base returns a correct value");
1929
1930         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1931                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1932         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1933                 (enum ctf_string_encoding) 123) < 0,
1934                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1935         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1936                 CTF_STRING_UTF8) == 0,
1937                 "Set integer type encoding to UTF8");
1938         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1939                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1940         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1941                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1942
1943         int_16_type = bt_ctf_field_type_integer_create(16);
1944         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1945         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1946                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1947         uint_8_type = bt_ctf_field_type_integer_create(8);
1948         sequence_type =
1949                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1950         ok(sequence_type, "Create a sequence of int16_t type");
1951         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1952                 CTF_TYPE_SEQUENCE,
1953                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1954
1955         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1956                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1957         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1958                 sequence_type);
1959         ok(!strcmp(ret_string, "seq_len"),
1960                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1961         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1962                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1963         returned_type = bt_ctf_field_type_sequence_get_element_type(
1964                 sequence_type);
1965         ok(returned_type == int_16_type,
1966                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1967         bt_put(returned_type);
1968
1969         string_type = bt_ctf_field_type_string_create();
1970         ok(string_type, "Create a string type");
1971         ok(bt_ctf_field_type_string_set_encoding(string_type,
1972                 CTF_STRING_NONE),
1973                 "Reject invalid \"None\" string encoding");
1974         ok(bt_ctf_field_type_string_set_encoding(string_type,
1975                 42),
1976                 "Reject invalid string encoding");
1977         ok(bt_ctf_field_type_string_set_encoding(string_type,
1978                 CTF_STRING_ASCII) == 0,
1979                 "Set string encoding to ASCII");
1980
1981         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1982                 CTF_STRING_UNKNOWN,
1983                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1984         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1985                 CTF_STRING_ASCII,
1986                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1987
1988         structure_seq_type = bt_ctf_field_type_structure_create();
1989         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1990                 CTF_TYPE_STRUCT,
1991                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1992         ok(structure_seq_type, "Create a structure type");
1993         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1994                 uint_8_type, "seq_len") == 0,
1995                 "Add a uint8_t type to a structure");
1996         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1997                 sequence_type, "a_sequence") == 0,
1998                 "Add a sequence type to a structure");
1999
2000         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
2001                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
2002         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2003                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2004
2005         ok(bt_ctf_field_type_structure_get_field(NULL,
2006                 &ret_string, &returned_type, 1) < 0,
2007                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2008         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2009                 NULL, &returned_type, 1) == 0,
2010                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2011         bt_put(returned_type);
2012         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2013                 &ret_string, NULL, 1) == 0,
2014                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2015         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2016                 &ret_string, &returned_type, 10) < 0,
2017                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2018         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2019                 &ret_string, &returned_type, 1) == 0,
2020                 "bt_ctf_field_type_structure_get_field returns a field");
2021         ok(!strcmp(ret_string, "a_sequence"),
2022                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2023         ok(returned_type == sequence_type,
2024                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2025         bt_put(returned_type);
2026
2027         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2028                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2029         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2030                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2031         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2032                 structure_seq_type, "a_sequence");
2033         ok(returned_type == sequence_type,
2034                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2035         bt_put(returned_type);
2036
2037         composite_structure_type = bt_ctf_field_type_structure_create();
2038         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2039                 string_type, "a_string") == 0,
2040                 "Add a string type to a structure");
2041         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2042                 structure_seq_type, "inner_structure") == 0,
2043                 "Add a structure type to a structure");
2044
2045         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2046                 NULL, "a_sequence") == NULL,
2047                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2048         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2049                 structure_seq_type, NULL) == NULL,
2050                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2051         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2052                 structure_seq_type, "a_sequence");
2053         ok(returned_type == sequence_type,
2054                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2055         bt_put(returned_type);
2056
2057         int_16 = bt_ctf_field_create(int_16_type);
2058         ok(int_16, "Instanciate a signed 16-bit integer");
2059         uint_12 = bt_ctf_field_create(uint_12_type);
2060         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2061         returned_type = bt_ctf_field_get_type(int_16);
2062         ok(returned_type == int_16_type,
2063                 "bt_ctf_field_get_type returns the correct type");
2064
2065         /* Can't modify types after instanciating them */
2066         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2067                 BT_CTF_INTEGER_BASE_DECIMAL),
2068                 "Check an integer type' base can't be modified after instanciation");
2069         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2070                 "Check an integer type's signedness can't be modified after instanciation");
2071
2072         /* Check signed property is checked */
2073         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2074                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2075         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2076                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2077
2078         /* Check overflows are properly tested for */
2079         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2080                 "Check -32768 is allowed for a signed 16-bit integer");
2081         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2082                 "Check 32767 is allowed for a signed 16-bit integer");
2083         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2084                 "Check 32768 is not allowed for a signed 16-bit integer");
2085         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2086                 "Check -32769 is not allowed for a signed 16-bit integer");
2087         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2088                 "Check -42 is allowed for a signed 16-bit integer");
2089
2090         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2091                 "Check 4095 is allowed for an unsigned 12-bit integer");
2092         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2093                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2094         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2095                 "Check 0 is allowed for an unsigned 12-bit integer");
2096
2097         string = bt_ctf_field_create(string_type);
2098         ok(string, "Instanciate a string field");
2099         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2100                 "Set a string's value");
2101
2102         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2103         ok(enumeration_type,
2104                 "Create an enumeration type with an unsigned 12-bit integer as container");
2105         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
2106                 enumeration_type, "count");
2107         ok(!enumeration_sequence_type,
2108                 "Check enumeration types are validated when creating a sequence");
2109         enumeration_array_type = bt_ctf_field_type_array_create(
2110                 enumeration_type, 10);
2111         ok(!enumeration_array_type,
2112                 "Check enumeration types are validated when creating an array");
2113         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2114                 enumeration_type, "enumeration"),
2115                 "Check enumeration types are validated when adding them as structure members");
2116         enumeration = bt_ctf_field_create(enumeration_type);
2117         ok(!enumeration,
2118                 "Check enumeration types are validated before instantiation");
2119
2120         bt_put(string);
2121         bt_put(uint_12);
2122         bt_put(int_16);
2123         bt_put(enumeration);
2124         bt_put(composite_structure_type);
2125         bt_put(structure_seq_type);
2126         bt_put(string_type);
2127         bt_put(sequence_type);
2128         bt_put(uint_8_type);
2129         bt_put(int_16_type);
2130         bt_put(uint_12_type);
2131         bt_put(enumeration_type);
2132         bt_put(enumeration_sequence_type);
2133         bt_put(enumeration_array_type);
2134         bt_put(returned_type);
2135 }
2136
2137 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2138                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2139 {
2140         /*
2141          * Append enough events to force the underlying packet to be resized.
2142          * Also tests that a new event can be declared after a stream has been
2143          * instantiated and used/flushed.
2144          */
2145         int ret = 0;
2146         int i;
2147         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2148                 "Spammy_Event");
2149         struct bt_ctf_field_type *integer_type =
2150                 bt_ctf_field_type_integer_create(17);
2151         struct bt_ctf_field_type *string_type =
2152                 bt_ctf_field_type_string_create();
2153         struct bt_ctf_event *event = NULL;
2154         struct bt_ctf_field *ret_field = NULL;
2155         struct bt_ctf_field_type *ret_field_type = NULL;
2156         uint64_t ret_uint64;
2157         int events_appended = 0;
2158         struct bt_ctf_field *packet_context = NULL,
2159                 *packet_context_field = NULL, *event_context = NULL;
2160
2161         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2162                 "field_1");
2163         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2164                 "a_string");
2165         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2166         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2167         if (ret) {
2168                 goto end;
2169         }
2170
2171         event = bt_ctf_event_create(event_class);
2172         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2173         ret_field_type = bt_ctf_field_get_type(ret_field);
2174         ok(ret_field_type == integer_type,
2175                 "bt_ctf_event_get_payload_by_index returns a correct field");
2176         bt_put(ret_field_type);
2177         bt_put(ret_field);
2178
2179         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2180                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2181         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2182                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2183         bt_put(event);
2184
2185         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
2186                 "bt_ctf_stream_get_event_context handles NULL correctly");
2187         event_context = bt_ctf_stream_get_event_context(stream);
2188         ok(event_context,
2189                 "bt_ctf_stream_get_event_context returns a stream event context");
2190         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
2191                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
2192         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
2193                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
2194         ok(!bt_ctf_stream_set_event_context(stream, event_context),
2195                 "bt_ctf_stream_set_event_context correctly set a stream event context");
2196         ret_field = bt_ctf_field_create(integer_type);
2197         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
2198                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
2199         bt_put(ret_field);
2200
2201         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2202                 event = bt_ctf_event_create(event_class);
2203                 struct bt_ctf_field *integer =
2204                         bt_ctf_field_create(integer_type);
2205                 struct bt_ctf_field *string =
2206                         bt_ctf_field_create(string_type);
2207
2208                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2209                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2210                 ret |= bt_ctf_event_set_payload(event, "field_1",
2211                         integer);
2212                 bt_put(integer);
2213                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2214                 ret |= bt_ctf_event_set_payload(event, "a_string",
2215                         string);
2216                 bt_put(string);
2217
2218                 /* Populate stream event context */
2219                 integer = bt_ctf_field_structure_get_field(event_context,
2220                         "common_event_context");
2221                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2222                         i % 42);
2223                 bt_put(integer);
2224
2225                 ret |= bt_ctf_stream_append_event(stream, event);
2226                 bt_put(event);
2227
2228                 if (ret) {
2229                         break;
2230                 }
2231         }
2232
2233         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2234         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2235                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2236         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2237                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2238         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2239         ok(ret == 0 && ret_uint64 == 0,
2240                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2241         bt_ctf_stream_append_discarded_events(stream, 1000);
2242         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2243         ok(ret == 0 && ret_uint64 == 1000,
2244                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2245
2246 end:
2247         ok(events_appended, "Append 100 000 events to a stream");
2248
2249         /*
2250          * Populate the custom packet context field with a dummy value
2251          * otherwise flush will fail.
2252          */
2253         packet_context = bt_ctf_stream_get_packet_context(stream);
2254         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2255                 "custom_packet_context_field");
2256         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2257
2258         ok(bt_ctf_stream_flush(stream) == 0,
2259                 "Flush a stream that forces a packet resize");
2260         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2261         ok(ret == 0 && ret_uint64 == 1000,
2262                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2263         bt_put(integer_type);
2264         bt_put(string_type);
2265         bt_put(packet_context);
2266         bt_put(packet_context_field);
2267         bt_put(event_context);
2268         bt_put(event_class);
2269 }
2270
2271 void test_empty_stream(struct bt_ctf_writer *writer)
2272 {
2273         int ret = 0;
2274         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2275         struct bt_ctf_stream_class *stream_class = NULL;
2276         struct bt_ctf_stream *stream = NULL;
2277
2278         trace = bt_ctf_writer_get_trace(writer);
2279         if (!trace) {
2280                 diag("Failed to get trace from writer");
2281                 ret = -1;
2282                 goto end;
2283         }
2284
2285         stream_class = bt_ctf_stream_class_create("empty_stream");
2286         if (!stream_class) {
2287                 diag("Failed to create stream class");
2288                 ret = -1;
2289                 goto end;
2290         }
2291
2292         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2293                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2294         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2295                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2296
2297         stream = bt_ctf_writer_create_stream(writer, stream_class);
2298         if (!stream) {
2299                 diag("Failed to create writer stream");
2300                 ret = -1;
2301                 goto end;
2302         }
2303
2304         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2305         ok(ret_trace == trace,
2306                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2307 end:
2308         ok(ret == 0,
2309                 "Created a stream class with default attributes and an empty stream");
2310         bt_put(trace);
2311         bt_put(ret_trace);
2312         bt_put(stream);
2313         bt_put(stream_class);
2314 }
2315
2316 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2317 {
2318         int i, ret;
2319         struct bt_ctf_trace *trace = NULL;
2320         struct bt_ctf_clock *clock = NULL;
2321         struct bt_ctf_stream_class *stream_class = NULL;
2322         struct bt_ctf_stream *stream = NULL;
2323         struct bt_ctf_field_type *integer_type = NULL,
2324                 *sequence_type = NULL, *event_header_type = NULL;
2325         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2326                 *event_header = NULL, *packet_header = NULL;
2327         struct bt_ctf_event_class *event_class = NULL;
2328         struct bt_ctf_event *event = NULL;
2329
2330         trace = bt_ctf_writer_get_trace(writer);
2331         if (!trace) {
2332                 fail("Failed to get trace from writer");
2333                 goto end;
2334         }
2335
2336         clock = bt_ctf_trace_get_clock(trace, 0);
2337         if (!clock) {
2338                 fail("Failed to get clock from trace");
2339                 goto end;
2340         }
2341
2342         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2343         if (!stream_class) {
2344                 fail("Failed to create stream class");
2345                 goto end;
2346         }
2347
2348         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2349         if (ret) {
2350                 fail("Failed to set stream class clock");
2351                 goto end;
2352         }
2353
2354         /*
2355          * Customize event header to add an "seq_len" integer member
2356          * which will be used as the length of a sequence in an event of this
2357          * stream.
2358          */
2359         event_header_type = bt_ctf_stream_class_get_event_header_type(
2360                 stream_class);
2361         if (!event_header_type) {
2362                 fail("Failed to get event header type");
2363                 goto end;
2364         }
2365
2366         integer_type = bt_ctf_field_type_integer_create(13);
2367         if (!integer_type) {
2368                 fail("Failed to create length integer type");
2369                 goto end;
2370         }
2371
2372         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2373                 integer_type, "seq_len");
2374         if (ret) {
2375                 fail("Failed to add a new field to stream event header");
2376                 goto end;
2377         }
2378
2379         event_class = bt_ctf_event_class_create("sequence_event");
2380         if (!event_class) {
2381                 fail("Failed to create event class");
2382                 goto end;
2383         }
2384
2385         /*
2386          * This event's payload will contain a sequence which references
2387          * stream.event.header.seq_len as its length field.
2388          */
2389         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2390                 "stream.event.header.seq_len");
2391         if (!sequence_type) {
2392                 fail("Failed to create a sequence");
2393                 goto end;
2394         }
2395
2396         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2397                 "some_sequence");
2398         if (ret) {
2399                 fail("Failed to add a sequence to an event class");
2400                 goto end;
2401         }
2402
2403         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2404         if (ret) {
2405                 fail("Failed to add event class to stream class");
2406                 goto end;
2407         }
2408
2409         stream = bt_ctf_writer_create_stream(writer, stream_class);
2410         if (!stream) {
2411                 fail("Failed to create stream")
2412                 goto end;
2413         }
2414
2415         /*
2416          * We have defined a custom packet header field. We have to populate it
2417          * explicitly.
2418          */
2419         packet_header = bt_ctf_stream_get_packet_header(stream);
2420         if (!packet_header) {
2421                 fail("Failed to get stream packet header");
2422                 goto end;
2423         }
2424
2425         integer = bt_ctf_field_structure_get_field(packet_header,
2426                 "custom_trace_packet_header_field");
2427         if (!integer) {
2428                 fail("Failed to retrieve custom_trace_packet_header_field");
2429                 goto end;
2430         }
2431
2432         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2433         if (ret) {
2434                 fail("Failed to set custom_trace_packet_header_field value");
2435                 goto end;
2436         }
2437         bt_put(integer);
2438
2439         event = bt_ctf_event_create(event_class);
2440         if (!event) {
2441                 fail("Failed to create event");
2442                 goto end;
2443         }
2444
2445         event_header = bt_ctf_event_get_header(event);
2446         if (!event_header) {
2447                 fail("Failed to get event header");
2448                 goto end;
2449         }
2450
2451         integer = bt_ctf_field_structure_get_field(event_header,
2452                 "seq_len");
2453         if (!integer) {
2454                 fail("Failed to get seq_len field from event header");
2455                 goto end;
2456         }
2457
2458         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2459         if (ret) {
2460                 fail("Failed to set seq_len value in event header");
2461                 goto end;
2462         }
2463
2464         /* Populate both sequence integer fields */
2465         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2466         if (!sequence) {
2467                 fail("Failed to retrieve sequence from event");
2468                 goto end;
2469         }
2470
2471         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2472         if (ret) {
2473                 fail("Failed to set sequence length");
2474                 goto end;
2475         }
2476         bt_put(integer);
2477
2478         for (i = 0; i < 2; i++) {
2479                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2480                 if (ret) {
2481                         fail("Failed to retrieve sequence element");
2482                         goto end;
2483                 }
2484
2485                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2486                 if (ret) {
2487                         fail("Failed to set sequence element value");
2488                         goto end;
2489                 }
2490
2491                 bt_put(integer);
2492                 integer = NULL;
2493         }
2494
2495         ret = bt_ctf_stream_append_event(stream, event);
2496         if (ret) {
2497                 fail("Failed to append event to stream");
2498                 goto end;
2499         }
2500
2501         ret = bt_ctf_stream_flush(stream);
2502         if (ret) {
2503                 fail("Failed to flush custom_event_header stream");
2504         }
2505 end:
2506         bt_put(clock);
2507         bt_put(trace);
2508         bt_put(stream);
2509         bt_put(stream_class);
2510         bt_put(event_class);
2511         bt_put(event);
2512         bt_put(integer);
2513         bt_put(sequence);
2514         bt_put(event_header);
2515         bt_put(packet_header);
2516         bt_put(sequence_type);
2517         bt_put(integer_type);
2518         bt_put(event_header_type);
2519 }
2520
2521 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2522 {
2523         int ret = 0;
2524         struct bt_ctf_trace *trace = NULL;
2525         struct bt_ctf_clock *clock = NULL;
2526         struct bt_ctf_stream_class *stream_class = NULL;
2527         struct bt_ctf_stream *stream = NULL,
2528                 *ret_stream = NULL;
2529         struct bt_ctf_event_class *event_class = NULL;
2530         struct bt_ctf_event *event = NULL;
2531         struct bt_ctf_field_type *integer_type = NULL;
2532         struct bt_ctf_field *integer = NULL;
2533
2534         trace = bt_ctf_writer_get_trace(writer);
2535         if (!trace) {
2536                 diag("Failed to get trace from writer");
2537                 ret = -1;
2538                 goto end;
2539         }
2540
2541         clock = bt_ctf_trace_get_clock(trace, 0);
2542         if (!clock) {
2543                 diag("Failed to get clock from trace");
2544                 ret = -1;
2545                 goto end;
2546         }
2547
2548         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2549         if (!stream_class) {
2550                 diag("Failed to create stream class");
2551                 ret = -1;
2552                 goto end;
2553         }
2554
2555         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2556         if (ret) {
2557                 diag("Failed to set stream class clock");
2558                 goto end;
2559         }
2560
2561         event_class = bt_ctf_event_class_create("some_event_class_name");
2562         integer_type = bt_ctf_field_type_integer_create(32);
2563         if (!integer_type) {
2564                 diag("Failed to create integer field type");
2565                 ret = -1;
2566                 goto end;
2567         }
2568
2569         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2570                 "integer_field");
2571         if (ret) {
2572                 diag("Failed to add field to event class");
2573                 goto end;
2574         }
2575
2576         ret = bt_ctf_stream_class_add_event_class(stream_class,
2577                 event_class);
2578         if (ret) {
2579                 diag("Failed to add event class to stream class");
2580         }
2581
2582         event = bt_ctf_event_create(event_class);
2583         if (!event) {
2584                 diag("Failed to create event");
2585                 ret = -1;
2586                 goto end;
2587         }
2588
2589         integer = bt_ctf_event_get_payload_by_index(event, 0);
2590         if (!integer) {
2591                 diag("Failed to get integer field payload from event");
2592                 ret = -1;
2593                 goto end;
2594         }
2595
2596         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2597         if (ret) {
2598                 diag("Failed to set integer field value");
2599                 goto end;
2600         }
2601
2602         stream = bt_ctf_writer_create_stream(writer, stream_class);
2603         if (!stream) {
2604                 diag("Failed to create writer stream");
2605                 ret = -1;
2606                 goto end;
2607         }
2608
2609         ok(bt_ctf_event_get_stream(NULL) == NULL,
2610                 "bt_ctf_event_get_stream handles NULL correctly");
2611         ok(bt_ctf_event_get_stream(event) == NULL,
2612                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2613
2614         ret = bt_ctf_stream_append_event(stream, event);
2615         if (ret) {
2616                 diag("Failed to append event to stream");
2617                 goto end;
2618         }
2619
2620         ret_stream = bt_ctf_event_get_stream(event);
2621         ok(ret_stream == stream,
2622                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2623 end:
2624         ok(ret == 0,
2625                 "Create an event before instanciating its associated stream");
2626         bt_put(trace);
2627         bt_put(stream);
2628         bt_put(ret_stream);
2629         bt_put(stream_class);
2630         bt_put(event_class);
2631         bt_put(event);
2632         bt_put(integer_type);
2633         bt_put(integer);
2634         bt_put(clock);
2635 }
2636
2637 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2638 {
2639         struct bt_ctf_event_class *event_class;
2640
2641         event_class = bt_ctf_event_class_create("Simple Event");
2642         assert(event_class);
2643         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2644                 "two event classes with the same name cannot cohabit within the same stream class");
2645         bt_put(event_class);
2646
2647         event_class = bt_ctf_event_class_create("different name, ok");
2648         assert(event_class);
2649         assert(!bt_ctf_event_class_set_id(event_class, 11));
2650         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2651                 "two event classes with the same ID cannot cohabit within the same stream class");
2652         bt_put(event_class);
2653 }
2654
2655 int main(int argc, char **argv)
2656 {
2657         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2658         char metadata_path[sizeof(trace_path) + 9];
2659         const char *clock_name = "test_clock";
2660         const char *clock_description = "This is a test clock";
2661         const char *returned_clock_name;
2662         const char *returned_clock_description;
2663         const uint64_t frequency = 1123456789;
2664         const int64_t offset_s = 1351530929945824323;
2665         const int64_t offset = 1234567;
2666         int64_t get_offset_s,
2667                 get_offset,
2668                 get_time;
2669         const uint64_t precision = 10;
2670         const int is_absolute = 0xFF;
2671         char *metadata_string;
2672         struct bt_ctf_writer *writer;
2673         struct utsname name;
2674         char hostname[BABELTRACE_HOST_NAME_MAX];
2675         struct bt_ctf_clock *clock, *ret_clock;
2676         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2677         struct bt_ctf_stream *stream1;
2678         const char *ret_string;
2679         const unsigned char *ret_uuid;
2680         unsigned char tmp_uuid[16] = { 0 };
2681         struct bt_ctf_field_type *packet_context_type,
2682                 *packet_context_field_type,
2683                 *packet_header_type,
2684                 *packet_header_field_type,
2685                 *integer_type,
2686                 *stream_event_context_type,
2687                 *ret_field_type,
2688                 *event_header_field_type;
2689         struct bt_ctf_field *packet_header, *packet_header_field;
2690         struct bt_ctf_trace *trace;
2691         int ret;
2692         int64_t ret_int64_t;
2693         struct bt_value *obj;
2694
2695         if (argc < 3) {
2696                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2697                 return -1;
2698         }
2699
2700         plan_tests(NR_TESTS);
2701
2702         if (!bt_mkdtemp(trace_path)) {
2703                 perror("# perror");
2704         }
2705
2706         strcpy(metadata_path, trace_path);
2707         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2708
2709         writer = bt_ctf_writer_create(trace_path);
2710         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2711
2712         ok(!bt_ctf_writer_get_trace(NULL),
2713                 "bt_ctf_writer_get_trace correctly handles NULL");
2714         trace = bt_ctf_writer_get_trace(writer);
2715         ok(trace,
2716                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2717         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2718                 "Set a trace's byte order to big endian");
2719         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2720                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2721
2722         /* Add environment context to the trace */
2723         ret = gethostname(hostname, sizeof(hostname));
2724         if (ret < 0) {
2725                 return ret;
2726         }
2727         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2728                 "Add host (%s) environment field to writer instance",
2729                 hostname);
2730         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2731                 "test_value"),
2732                 "bt_ctf_writer_add_environment_field error with NULL writer");
2733         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2734                 "test_value"),
2735                 "bt_ctf_writer_add_environment_field error with NULL field name");
2736         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2737                 NULL),
2738                 "bt_ctf_writer_add_environment_field error with NULL field value");
2739
2740         /* Test bt_ctf_trace_set_environment_field with an integer object */
2741         obj = bt_value_integer_create_init(23);
2742         assert(obj);
2743         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2744                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2745         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2746                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2747         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2748                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2749         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2750                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2751         BT_PUT(obj);
2752
2753         /* Test bt_ctf_trace_set_environment_field with a string object */
2754         obj = bt_value_string_create_init("the value");
2755         assert(obj);
2756         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2757                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2758         BT_PUT(obj);
2759
2760         /* Test bt_ctf_trace_set_environment_field_integer */
2761         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2762                 -194875),
2763                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2764         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2765                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2766         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2767                 -164973),
2768                 "bt_ctf_trace_set_environment_field_integer succeeds");
2769
2770         /* Test bt_ctf_trace_set_environment_field_string */
2771         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2772                 "yeah"),
2773                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2774         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2775                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2776         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2777                 NULL),
2778                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2779         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2780                 "oh yeah"),
2781                 "bt_ctf_trace_set_environment_field_string succeeds");
2782
2783         /* Test bt_ctf_trace_get_environment_field_count */
2784         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2785                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2786         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2787                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2788
2789         /* Test bt_ctf_trace_get_environment_field_name */
2790         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2791                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2792         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2793                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2794         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2795                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2796         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2797         ok(ret_string && !strcmp(ret_string, "host"),
2798                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2799         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2800         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2801                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2802         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2803         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2804                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2805         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2806         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2807                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2808         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2809         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2810                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2811
2812         /* Test bt_ctf_trace_get_environment_field_value */
2813         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2814                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2815         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2816                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2817         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2818                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2819         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2820         ret = bt_value_integer_get(obj, &ret_int64_t);
2821         ok(!ret && ret_int64_t == 23,
2822                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2823         BT_PUT(obj);
2824         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2825         ret = bt_value_string_get(obj, &ret_string);
2826         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2827                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2828         BT_PUT(obj);
2829
2830         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2831         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2832                 "test_env_str"),
2833                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2834         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2835                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2836         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2837                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2838         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2839                 "test_env_str");
2840         ret = bt_value_string_get(obj, &ret_string);
2841         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2842                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2843         BT_PUT(obj);
2844
2845         /* Test environment field replacement */
2846         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2847                 654321),
2848                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2849         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2850                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2851         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2852         ret = bt_value_integer_get(obj, &ret_int64_t);
2853         ok(!ret && ret_int64_t == 654321,
2854                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2855         BT_PUT(obj);
2856
2857         /* On Solaris, uname() can return any positive value on success */
2858         if (uname(&name) < 0) {
2859                 perror("uname");
2860                 return -1;
2861         }
2862
2863         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2864                 == 0, "Add sysname (%s) environment field to writer instance",
2865                 name.sysname);
2866         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2867                 name.nodename) == 0,
2868                 "Add nodename (%s) environment field to writer instance",
2869                 name.nodename);
2870         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2871                 == 0, "Add release (%s) environment field to writer instance",
2872                 name.release);
2873         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2874                 == 0, "Add version (%s) environment field to writer instance",
2875                 name.version);
2876         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2877                 == 0, "Add machine (%s) environment field to writer istance",
2878                 name.machine);
2879
2880         /* Define a clock and add it to the trace */
2881         ok(bt_ctf_clock_create("signed") == NULL,
2882                 "Illegal clock name rejected");
2883         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2884         clock = bt_ctf_clock_create(clock_name);
2885         ok(clock, "Clock created sucessfully");
2886         returned_clock_name = bt_ctf_clock_get_name(clock);
2887         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2888         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2889                 "Returned clock name is valid");
2890
2891         returned_clock_description = bt_ctf_clock_get_description(clock);
2892         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2893         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2894                 "Clock description set successfully");
2895
2896         returned_clock_description = bt_ctf_clock_get_description(clock);
2897         ok(returned_clock_description,
2898                 "bt_ctf_clock_get_description returns a description.");
2899         ok(returned_clock_description ?
2900                 !strcmp(returned_clock_description, clock_description) : 0,
2901                 "Returned clock description is valid");
2902
2903         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2904                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2905         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2906                 "Set clock frequency");
2907         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2908                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2909
2910         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2911                 "bt_ctf_clock_get_offset_s succeeds");
2912         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
2913                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2914         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2915                 "Set clock offset (seconds)");
2916         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
2917                 "bt_ctf_clock_get_offset_s succeeds");
2918         ok(get_offset_s == offset_s,
2919                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2920
2921         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2922                 "bt_ctf_clock_get_offset succeeds");
2923         ok(get_offset == DEFAULT_CLOCK_OFFSET,
2924                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
2925         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2926         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
2927                 "bt_ctf_clock_get_offset succeeds");
2928         ok(get_offset == offset,
2929                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
2930
2931         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2932                 "bt_ctf_clock_get_precision returns the correct default precision");
2933         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2934                 "Set clock precision");
2935         ok(bt_ctf_clock_get_precision(clock) == precision,
2936                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2937
2938         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2939                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2940         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2941                 "Set clock absolute property");
2942         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2943                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2944
2945         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2946                 "bt_ctf_clock_get_time succeeds");
2947         ok(get_time == DEFAULT_CLOCK_TIME,
2948                 "bt_ctf_clock_get_time returns the correct default time");
2949         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2950                 "Set clock time");
2951         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
2952                 "bt_ctf_clock_get_time succeeds");
2953         ok(get_time == current_time,
2954                 "bt_ctf_clock_get_time returns the correct time once it is set");
2955
2956         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2957                 "Add clock to writer instance");
2958         ok(bt_ctf_writer_add_clock(writer, clock),
2959                 "Verify a clock can't be added twice to a writer instance");
2960
2961         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2962                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2963         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2964                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2965         ok(!bt_ctf_trace_get_clock(NULL, 0),
2966                 "bt_ctf_trace_get_clock correctly handles NULL");
2967         ok(!bt_ctf_trace_get_clock(trace, -1),
2968                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2969         ok(!bt_ctf_trace_get_clock(trace, 1),
2970                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2971         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2972         ok(ret_clock == clock,
2973                 "bt_ctf_trace_get_clock returns the right clock instance");
2974         bt_put(ret_clock);
2975         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2976                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2977         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2978                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2979         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2980                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2981         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2982         ok(ret_clock == clock,
2983                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2984         bt_put(ret_clock);
2985         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2986                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2987
2988         ok(!bt_ctf_clock_get_name(NULL),
2989                 "bt_ctf_clock_get_name correctly handles NULL");
2990         ok(!bt_ctf_clock_get_description(NULL),
2991                 "bt_ctf_clock_get_description correctly handles NULL");
2992         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2993                 "bt_ctf_clock_get_frequency correctly handles NULL");
2994         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2995                 "bt_ctf_clock_get_precision correctly handles NULL");
2996         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
2997                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
2998         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
2999                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3000         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3001                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3002         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3003                 "bt_ctf_clock_get_offset correctly handles NULL output");
3004         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3005                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3006         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3007                 "bt_ctf_clock_get_time correctly handles NULL clock");
3008         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3009                 "bt_ctf_clock_get_time correctly handles NULL output");
3010
3011         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3012                 "bt_ctf_clock_set_description correctly handles NULL clock");
3013         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3014                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3015         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3016                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3017         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3018                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3019         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3020                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3021         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3022                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3023         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3024                 "bt_ctf_clock_set_time correctly handles NULL clock");
3025         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3026                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3027         ret_uuid = bt_ctf_clock_get_uuid(clock);
3028         ok(ret_uuid,
3029                 "bt_ctf_clock_get_uuid returns a UUID");
3030         if (ret_uuid) {
3031                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3032                 /* Slightly modify UUID */
3033                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3034         }
3035
3036         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3037                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3038         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3039                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3040         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3041                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3042         ret_uuid = bt_ctf_clock_get_uuid(clock);
3043         ok(ret_uuid,
3044                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3045         ok(uuid_match(ret_uuid, tmp_uuid),
3046                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3047
3048         /* Define a stream class */
3049         stream_class = bt_ctf_stream_class_create("test_stream");
3050
3051         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3052                 "bt_ctf_stream_class_get_name handles NULL correctly");
3053         ret_string = bt_ctf_stream_class_get_name(stream_class);
3054         ok(ret_string && !strcmp(ret_string, "test_stream"),
3055                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3056
3057         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3058                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3059         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3060                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3061
3062         ok(stream_class, "Create stream class");
3063         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3064                 "Set a stream class' clock");
3065         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3066         ok(ret_clock == clock,
3067                 "bt_ctf_stream_class_get_clock returns a correct clock");
3068         bt_put(ret_clock);
3069
3070         /* Test the event fields and event types APIs */
3071         type_field_tests();
3072
3073         /* Test fields copying */
3074         field_copy_tests();
3075
3076         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3077                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3078         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3079                 "bt_ctf_stream_class_get_id handles NULL correctly");
3080         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3081                 "bt_ctf_stream_class_set_id handles NULL correctly");
3082         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3083                 "Set an stream class' id");
3084         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3085                 "bt_ctf_stream_class_get_id returns the correct value");
3086
3087         /* Validate default event header fields */
3088         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3089                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3090         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3091                 stream_class);
3092         ok(ret_field_type,
3093                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3094         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
3095                 "Default event header type is a structure");
3096         event_header_field_type =
3097                 bt_ctf_field_type_structure_get_field_type_by_name(
3098                 ret_field_type, "id");
3099         ok(event_header_field_type,
3100                 "Default event header type contains an \"id\" field");
3101         ok(bt_ctf_field_type_get_type_id(
3102                 event_header_field_type) == CTF_TYPE_INTEGER,
3103                 "Default event header \"id\" field is an integer");
3104         bt_put(event_header_field_type);
3105         event_header_field_type =
3106                 bt_ctf_field_type_structure_get_field_type_by_name(
3107                 ret_field_type, "timestamp");
3108         ok(event_header_field_type,
3109                 "Default event header type contains a \"timestamp\" field");
3110         ok(bt_ctf_field_type_get_type_id(
3111                 event_header_field_type) == CTF_TYPE_INTEGER,
3112                 "Default event header \"timestamp\" field is an integer");
3113         bt_put(event_header_field_type);
3114         bt_put(ret_field_type);
3115
3116         /* Add a custom trace packet header field */
3117         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3118                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3119         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3120         ok(packet_header_type,
3121                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3122         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
3123                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3124         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3125                 packet_header_type, "magic");
3126         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3127         bt_put(ret_field_type);
3128         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3129                 packet_header_type, "uuid");
3130         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3131         bt_put(ret_field_type);
3132         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3133                 packet_header_type, "stream_id");
3134         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3135         bt_put(ret_field_type);
3136
3137         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3138         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3139                 packet_header_field_type, "custom_trace_packet_header_field"),
3140                 "Added a custom trace packet header field successfully");
3141
3142         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3143                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3144         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3145                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3146         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3147                 "Set a trace packet_header_type successfully");
3148
3149         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3150                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3151
3152         /* Add a custom field to the stream class' packet context */
3153         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3154         ok(packet_context_type,
3155                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3156         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
3157                 "Packet context is a structure");
3158
3159         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3160                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3161         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3162                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3163
3164         integer_type = bt_ctf_field_type_integer_create(32);
3165         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3166                 integer_type) < 0,
3167                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3168         /* Create a "uint5_t" equivalent custom packet context field */
3169         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3170
3171         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3172                 packet_context_field_type, "custom_packet_context_field");
3173         ok(ret == 0, "Packet context field added successfully");
3174
3175         /* Define a stream event context containing a my_integer field. */
3176         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3177                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3178         ok(bt_ctf_stream_class_get_event_context_type(
3179                 stream_class) == NULL,
3180                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3181         stream_event_context_type = bt_ctf_field_type_structure_create();
3182         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3183                 integer_type, "common_event_context");
3184
3185         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3186                 stream_event_context_type) < 0,
3187                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3188         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3189                 NULL) < 0,
3190                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3191         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3192                 integer_type) < 0,
3193                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3194
3195         ok(bt_ctf_stream_class_set_event_context_type(
3196                 stream_class, stream_event_context_type) == 0,
3197                 "Set a new stream event context type");
3198         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3199                 stream_class);
3200         ok(ret_field_type == stream_event_context_type,
3201                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3202         bt_put(ret_field_type);
3203
3204         /* Instantiate a stream and append events */
3205         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3206         ok(stream1, "Instanciate a stream class from writer");
3207
3208         ok(bt_ctf_stream_get_class(NULL) == NULL,
3209                 "bt_ctf_stream_get_class correctly handles NULL");
3210         ret_stream_class = bt_ctf_stream_get_class(stream1);
3211         ok(ret_stream_class,
3212                 "bt_ctf_stream_get_class returns a stream class");
3213         ok(ret_stream_class == stream_class,
3214                 "Returned stream class is of the correct type");
3215
3216         /*
3217          * Try to modify the packet context type after a stream has been
3218          * created.
3219          */
3220         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3221                 packet_header_field_type, "should_fail");
3222         ok(ret < 0,
3223                 "Trace packet header type can't be modified once a stream has been instanciated");
3224
3225         /*
3226          * Try to modify the packet context type after a stream has been
3227          * created.
3228          */
3229         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3230                 packet_context_field_type, "should_fail");
3231         ok(ret < 0,
3232                 "Packet context type can't be modified once a stream has been instanciated");
3233
3234         /*
3235          * Try to modify the stream event context type after a stream has been
3236          * created.
3237          */
3238         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3239                 integer_type, "should_fail");
3240         ok(ret < 0,
3241                 "Stream event context type can't be modified once a stream has been instanciated");
3242
3243         /* Should fail after instanciating a stream (frozen) */
3244         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3245                 "Changes to a stream class that was already instantiated fail");
3246
3247         /* Populate the custom packet header field only once for all tests */
3248         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3249                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3250         packet_header = bt_ctf_stream_get_packet_header(stream1);
3251         ok(packet_header,
3252                 "bt_ctf_stream_get_packet_header returns a packet header");
3253         ret_field_type = bt_ctf_field_get_type(packet_header);
3254         ok(ret_field_type == packet_header_type,
3255                 "Stream returns a packet header of the appropriate type");
3256         bt_put(ret_field_type);
3257         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3258                 "custom_trace_packet_header_field");
3259         ok(packet_header_field,
3260                 "Packet header structure contains a custom field with the appropriate name");
3261         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3262         ok(ret_field_type == packet_header_field_type,
3263                 "Custom packet header field is of the expected type");
3264         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3265                 54321), "Set custom packet header value successfully");
3266         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3267                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3268         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3269                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3270         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3271                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3272         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3273                 "Successfully set a stream's packet header");
3274
3275         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3276                 "Add environment field to writer after stream creation");
3277
3278         test_instanciate_event_before_stream(writer);
3279
3280         append_simple_event(stream_class, stream1, clock);
3281
3282         packet_resize_test(stream_class, stream1, clock);
3283
3284         append_complex_event(stream_class, stream1, clock);
3285
3286         append_existing_event_class(stream_class);
3287
3288         test_empty_stream(writer);
3289
3290         test_custom_event_header_stream(writer);
3291
3292         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3293         ok(metadata_string, "Get metadata string");
3294
3295         bt_ctf_writer_flush_metadata(writer);
3296         validate_metadata(argv[1], metadata_path);
3297         validate_trace(argv[2], trace_path);
3298
3299         bt_put(clock);
3300         bt_put(ret_stream_class);
3301         bt_put(writer);
3302         bt_put(stream1);
3303         bt_put(packet_context_type);
3304         bt_put(packet_context_field_type);
3305         bt_put(integer_type);
3306         bt_put(stream_event_context_type);
3307         bt_put(ret_field_type);
3308         bt_put(packet_header_type);
3309         bt_put(packet_header_field_type);
3310         bt_put(packet_header);
3311         bt_put(packet_header_field);
3312         bt_put(trace);
3313         free(metadata_string);
3314         bt_put(stream_class);
3315
3316         /* Remove all trace files and delete temporary trace directory */
3317         DIR *trace_dir = opendir(trace_path);
3318         if (!trace_dir) {
3319                 perror("# opendir");
3320                 return -1;
3321         }
3322
3323         struct dirent *entry;
3324         while ((entry = readdir(trace_dir))) {
3325                 struct stat st;
3326                 char filename[PATH_MAX];
3327
3328                 if (snprintf(filename, sizeof(filename), "%s/%s",
3329                                         trace_path, entry->d_name) <= 0) {
3330                         continue;
3331                 }
3332
3333                 if (stat(entry->d_name, &st)) {
3334                         continue;
3335                 }
3336
3337                 if (S_ISREG(st.st_mode)) {
3338                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3339                 }
3340         }
3341
3342         rmdir(trace_path);
3343         closedir(trace_dir);
3344         return 0;
3345 }