tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ctf-ir/packet.h>
  30 #include <babeltrace/ctf-ir/clock-class.h>
  31 #include <babeltrace/ref.h>
  32 #include <babeltrace/ctf/events.h>
  33 #include <babeltrace/values.h>
  34 #include <unistd.h>
  35 #include <babeltrace/compat/stdlib.h>
  36 #include <stdio.h>
  37 #include <sys/utsname.h>
  38 #include <babeltrace/compat/limits.h>
  39 #include <babeltrace/compat/stdio.h>
  40 #include <string.h>
  41 #include <assert.h>
  42 #include <sys/wait.h>
  43 #include <fcntl.h>
  44 #include <babeltrace/compat/dirent.h>
  45 #include "tap/tap.h"
  46 #include <math.h>
  47 #include <float.h>
  48 #include "common.h"
  49
  50 #define METADATA_LINE_SIZE 512
  51 #define SEQUENCE_TEST_LENGTH 10
  52 #define ARRAY_TEST_LENGTH 5
  53 #define PACKET_RESIZE_TEST_LENGTH 100000
  54
  55 #define DEFAULT_CLOCK_FREQ 1000000000
  56 #define DEFAULT_CLOCK_PRECISION 1
  57 #define DEFAULT_CLOCK_OFFSET 0
  58 #define DEFAULT_CLOCK_OFFSET_S 0
  59 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  60 #define DEFAULT_CLOCK_TIME 0
  61 #define DEFAULT_CLOCK_VALUE 0
  62
  63 #define NR_TESTS 600
  64
  65 static int64_t current_time = 42;
  66
  67 /* Return 1 if uuids match, zero if different. */
  68 static
  69 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  70 {
  71         int ret = 0;
  72         int i;
  73
  74         if (!uuid_a || !uuid_b) {
  75                 goto end;
  76         }
  77
  78         for (i = 0; i < 16; i++) {
  79                 if (uuid_a[i] != uuid_b[i]) {
  80                         goto end;
  81                 }
  82         }
  83
  84         ret = 1;
  85 end:
  86         return ret;
  87 }
  88
  89 static
  90 void validate_metadata(char *parser_path, char *metadata_path)
  91 {
  92         int ret = 0;
  93         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  94         int parser_output_fd = -1, metadata_fd = -1;
  95
  96         if (!metadata_path) {
  97                 ret = -1;
  98                 goto result;
  99         }
 100
 101         parser_output_fd = mkstemp(parser_output_path);
 102         metadata_fd = open(metadata_path, O_RDONLY);
 103
 104         unlink(parser_output_path);
 105
 106         if (parser_output_fd == -1 || metadata_fd == -1) {
 107                 diag("Failed create temporary files for metadata parsing.");
 108                 ret = -1;
 109                 goto result;
 110         }
 111
 112         pid_t pid = fork();
 113         if (pid) {
 114                 int status = 0;
 115                 waitpid(pid, &status, 0);
 116                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 117         } else {
 118                 /* ctf-parser-test expects a metadata string on stdin. */
 119                 ret = dup2(metadata_fd, STDIN_FILENO);
 120                 if (ret < 0) {
 121                         perror("# dup2 metadata_fd to STDIN");
 122                         goto result;
 123                 }
 124
 125                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 126                 if (ret < 0) {
 127                         perror("# dup2 parser_output_fd to STDOUT");
 128                         goto result;
 129                 }
 130
 131                 ret = dup2(parser_output_fd, STDERR_FILENO);
 132                 if (ret < 0) {
 133                         perror("# dup2 parser_output_fd to STDERR");
 134                         goto result;
 135                 }
 136
 137                 execl(parser_path, "ctf-parser-test", NULL);
 138                 perror("# Could not launch the ctf metadata parser process");
 139                 exit(-1);
 140         }
 141 result:
 142         ok(ret == 0, "Metadata string is valid");
 143
 144         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 145                 char *line;
 146                 size_t len = METADATA_LINE_SIZE;
 147                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 148
 149                 metadata_fp = fdopen(metadata_fd, "r");
 150                 if (!metadata_fp) {
 151                         perror("fdopen on metadata_fd");
 152                         goto close_fp;
 153                 }
 154                 metadata_fd = -1;
 155
 156                 parser_output_fp = fdopen(parser_output_fd, "r");
 157                 if (!parser_output_fp) {
 158                         perror("fdopen on parser_output_fd");
 159                         goto close_fp;
 160                 }
 161                 parser_output_fd = -1;
 162
 163                 line = malloc(len);
 164                 if (!line) {
 165                         diag("malloc failure");
 166                 }
 167
 168                 rewind(metadata_fp);
 169
 170                 /* Output the metadata and parser output as diagnostic */
 171                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 172                         fprintf(stderr, "# %s", line);
 173                 }
 174
 175                 rewind(parser_output_fp);
 176                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 177                         fprintf(stderr, "# %s", line);
 178                 }
 179
 180                 free(line);
 181 close_fp:
 182                 if (metadata_fp) {
 183                         if (fclose(metadata_fp)) {
 184                                 diag("fclose failure");
 185                         }
 186                 }
 187                 if (parser_output_fp) {
 188                         if (fclose(parser_output_fp)) {
 189                                 diag("fclose failure");
 190                         }
 191                 }
 192         }
 193
 194         if (parser_output_fd >= 0) {
 195                 if (close(parser_output_fd)) {
 196                         diag("close error");
 197                 }
 198         }
 199         if (metadata_fd >= 0) {
 200                 if (close(metadata_fd)) {
 201                         diag("close error");
 202                 }
 203         }
 204 }
 205
 206 static
 207 void validate_trace(char *parser_path, char *trace_path)
 208 {
 209         int ret = 0;
 210         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 211         int babeltrace_output_fd = -1;
 212
 213         if (!trace_path) {
 214                 ret = -1;
 215                 goto result;
 216         }
 217
 218         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 219         unlink(babeltrace_output_path);
 220
 221         if (babeltrace_output_fd == -1) {
 222                 diag("Failed to create a temporary file for trace parsing.");
 223                 ret = -1;
 224                 goto result;
 225         }
 226
 227         pid_t pid = fork();
 228         if (pid) {
 229                 int status = 0;
 230                 waitpid(pid, &status, 0);
 231                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 232         } else {
 233                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 234                 if (ret < 0) {
 235                         perror("# dup2 babeltrace_output_fd to STDOUT");
 236                         goto result;
 237                 }
 238
 239                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 240                 if (ret < 0) {
 241                         perror("# dup2 babeltrace_output_fd to STDERR");
 242                         goto result;
 243                 }
 244
 245                 execl(parser_path, "babeltrace", trace_path, NULL);
 246                 perror("# Could not launch the babeltrace process");
 247                 exit(-1);
 248         }
 249 result:
 250         ok(ret == 0, "Babeltrace could read the resulting trace");
 251
 252         if (ret && babeltrace_output_fd >= 0) {
 253                 char *line;
 254                 size_t len = METADATA_LINE_SIZE;
 255                 FILE *babeltrace_output_fp = NULL;
 256
 257                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 258                 if (!babeltrace_output_fp) {
 259                         perror("fdopen on babeltrace_output_fd");
 260                         goto close_fp;
 261                 }
 262                 babeltrace_output_fd = -1;
 263
 264                 line = malloc(len);
 265                 if (!line) {
 266                         diag("malloc error");
 267                 }
 268                 rewind(babeltrace_output_fp);
 269                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 270                         diag("%s", line);
 271                 }
 272
 273                 free(line);
 274 close_fp:
 275                 if (babeltrace_output_fp) {
 276                         if (fclose(babeltrace_output_fp)) {
 277                                 diag("fclose error");
 278                         }
 279                 }
 280         }
 281
 282         if (babeltrace_output_fd >= 0) {
 283                 if (close(babeltrace_output_fd)) {
 284                         diag("close error");
 285                 }
 286         }
 287 }
 288
 289 static
 290 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 291                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 292 {
 293         /* Create and add a simple event class */
 294         struct bt_ctf_event_class *simple_event_class =
 295                 bt_ctf_event_class_create("Simple Event");
 296         struct bt_ctf_field_type *uint_12_type =
 297                 bt_ctf_field_type_integer_create(12);
 298         struct bt_ctf_field_type *int_64_type =
 299                 bt_ctf_field_type_integer_create(64);
 300         struct bt_ctf_field_type *float_type =
 301                 bt_ctf_field_type_floating_point_create();
 302         struct bt_ctf_field_type *enum_type;
 303         struct bt_ctf_field_type *enum_type_unsigned =
 304                 bt_ctf_field_type_enumeration_create(uint_12_type);
 305         struct bt_ctf_field_type *event_context_type =
 306                 bt_ctf_field_type_structure_create();
 307         struct bt_ctf_field_type *event_payload_type = NULL;
 308         struct bt_ctf_field_type *returned_type;
 309         struct bt_ctf_event *simple_event;
 310         struct bt_ctf_field *integer_field;
 311         struct bt_ctf_field *float_field;
 312         struct bt_ctf_field *enum_field;
 313         struct bt_ctf_field *enum_field_unsigned;
 314         struct bt_ctf_field *enum_container_field;
 315         const char *mapping_name_test = "truie";
 316         const double double_test_value = 3.1415;
 317         struct bt_ctf_field *enum_container_field_unsigned;
 318         const char *mapping_name_negative_test = "negative_value";
 319         const char *ret_char;
 320         double ret_double;
 321         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 322         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 323         struct bt_ctf_event_class *ret_event_class;
 324         struct bt_ctf_field *packet_context;
 325         struct bt_ctf_field *packet_context_field;
 326         struct bt_ctf_field *stream_event_context;
 327         struct bt_ctf_field *stream_event_context_field;
 328         struct bt_ctf_field *event_context;
 329         struct bt_ctf_field *event_context_field;
 330         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 331         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 332         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 333         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 334         int ret;
 335
 336         ok(uint_12_type, "Create an unsigned integer type");
 337
 338         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 339                 "Set signed 64 bit integer signedness to true");
 340         ok(int_64_type, "Create a signed integer type");
 341         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 342
 343         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 344         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 345         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 346         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 347                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 348         bt_put(returned_type);
 349
 350         bt_ctf_field_type_set_alignment(float_type, 32);
 351         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 352                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 353         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 354                 "bt_ctf_field_type_get_alignment returns a correct value");
 355
 356         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 357                 "Set a floating point type's exponent digit count");
 358         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 359                 "Set a floating point type's mantissa digit count");
 360
 361         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 362                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 363         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 364                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 365         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 366                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 367         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 368                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 369
 370         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 371                 mapping_name_negative_test, -12345, 0) == 0,
 372                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 373         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 374                 "escaping; \"test\"", 1, 1) == 0,
 375                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 376         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 377                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 378                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 379         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 380                 "event clock int float", 5, 22) == 0,
 381                 "Accept enumeration mapping strings containing reserved keywords");
 382         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 383                 42, 42);
 384         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 385                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 386         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 387                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 388         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 389                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 390         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 391
 392         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 393         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 394
 395         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 396         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 397
 398         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 399         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 400         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 401                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 402         BT_PUT(iter);
 403
 404         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 405                 "enum_field") == 0, "Add signed enumeration field to event");
 406
 407         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 408                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 409                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 410         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 411                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 412                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 413         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 414                 NULL, &ret_range_end_int64_t) == 0,
 415                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 416         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 417                 &ret_range_start_int64_t, NULL) == 0,
 418                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 419         /* Assumes entries are sorted by range_start values. */
 420         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 421                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 422                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 423         ok(!strcmp(ret_char, mapping_name_test),
 424                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 425         ok(ret_range_start_int64_t == 42,
 426                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 427         ok(ret_range_end_int64_t == 42,
 428                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 429
 430         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 431                 "escaping; \"test\"", 0, 0) == 0,
 432                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 433         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 434                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 435                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 436         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 437                 "event clock int float", 5, 22) == 0,
 438                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 439         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 440                 42, 42);
 441         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 442                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 443         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 444                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 445         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 446                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 447         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 448                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 449
 450         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 451                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 452         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 453                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 454
 455         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 456                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 457                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 458         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 459                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 460                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 461         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 462                 NULL, &ret_range_end_uint64_t) == 0,
 463                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 464         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 465                 &ret_range_start_uint64_t, NULL) == 0,
 466                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 467         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 468                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 469                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 470         ok(!strcmp(ret_char, mapping_name_test),
 471                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 472         ok(ret_range_start_uint64_t == 42,
 473                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 474         ok(ret_range_end_uint64_t == 42,
 475                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 476
 477         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 478                 "integer_field");
 479         bt_ctf_event_class_add_field(simple_event_class, float_type,
 480                 "float_field");
 481
 482         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 483
 484         /* Set an event context type which will contain a single integer. */
 485         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 486                 "event_specific_context"),
 487                 "Add event specific context field");
 488         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 489                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 490         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 491                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 492
 493         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 494                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 495         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 496                 "Set an event class' context type successfully");
 497         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 498         ok(returned_type == event_context_type,
 499                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 500         bt_put(returned_type);
 501
 502         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 503                 "Adding simple event class to stream class");
 504
 505         /*
 506          * bt_ctf_stream_class_add_event_class() copies the field types
 507          * of simple_event_class, so we retrieve the new ones to create
 508          * the appropriate fields.
 509          */
 510         BT_PUT(event_context_type);
 511         BT_PUT(event_payload_type);
 512         event_payload_type = bt_ctf_event_class_get_payload_type(
 513                 simple_event_class);
 514         assert(event_payload_type);
 515         event_context_type = bt_ctf_event_class_get_context_type(
 516                 simple_event_class);
 517         assert(event_context_type);
 518         ep_integer_field_type =
 519                 bt_ctf_field_type_structure_get_field_type_by_name(
 520                         event_payload_type, "integer_field");
 521         assert(ep_integer_field_type);
 522         ep_enum_field_type =
 523                 bt_ctf_field_type_structure_get_field_type_by_name(
 524                         event_payload_type, "enum_field");
 525         assert(ep_enum_field_type);
 526         ep_enum_field_unsigned_type =
 527                 bt_ctf_field_type_structure_get_field_type_by_name(
 528                         event_payload_type, "enum_field_unsigned");
 529         assert(ep_enum_field_unsigned_type);
 530
 531         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 532                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 533         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 534                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 535         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 536                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 537         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 538                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 539         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 540         ok(ret_event_class == simple_event_class,
 541                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 542         bt_put(ret_event_class);
 543         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 544                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 545         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 546                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 547         ret_event_class =
 548                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 549         ok(ret_event_class == simple_event_class,
 550                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 551         bt_put(ret_event_class);
 552
 553         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 554                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 555         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 556                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 557         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 558                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 559         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 560         ok(ret_event_class == simple_event_class,
 561                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 562         bt_put(ret_event_class);
 563
 564         simple_event = bt_ctf_event_create(simple_event_class);
 565         ok(simple_event,
 566                 "Instantiate an event containing a single integer field");
 567
 568         integer_field = bt_ctf_field_create(ep_integer_field_type);
 569         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 570         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 571                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 572
 573         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 574         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 575                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 576         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 577         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 578                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 579         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 580                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 581         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 582                 "bt_ctf_field_floating_point_get_value returns a double value");
 583         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 584                 "bt_ctf_field_floating_point_get_value returns a correct value");
 585
 586         enum_field = bt_ctf_field_create(ep_enum_field_type);
 587         assert(enum_field);
 588
 589         ret_char = bt_ctf_field_enumeration_get_single_mapping_name(NULL);
 590         ok(!ret_char, "bt_ctf_field_enumeration_get_single_mapping_name handles NULL correctly");
 591         ret_char = bt_ctf_field_enumeration_get_single_mapping_name(enum_field);
 592         ok(!ret_char, "bt_ctf_field_enumeration_get_single_mapping_name returns NULL if the enumeration's container field is unset");
 593         enum_container_field = bt_ctf_field_enumeration_get_container(
 594                 enum_field);
 595         ok(bt_ctf_field_signed_integer_set_value(
 596                 enum_container_field, -42) == 0,
 597                 "Set signed enumeration container value");
 598         ret_char = bt_ctf_field_enumeration_get_single_mapping_name(enum_field);
 599         ok(!strcmp(ret_char, mapping_name_negative_test),
 600                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 601         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 602         assert(!ret);
 603
 604         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 605         assert(enum_field_unsigned);
 606         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 607                 enum_field_unsigned);
 608         ok(bt_ctf_field_unsigned_integer_set_value(
 609                 enum_container_field_unsigned, 42) == 0,
 610                 "Set unsigned enumeration container value");
 611         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 612                 enum_field_unsigned);
 613         assert(!ret);
 614         ret_char = bt_ctf_field_enumeration_get_single_mapping_name(enum_field_unsigned);
 615         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 616                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an unsigned container");
 617
 618         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 619
 620         /* Populate stream event context */
 621         stream_event_context =
 622                 bt_ctf_event_get_stream_event_context(simple_event);
 623         assert(stream_event_context);
 624         stream_event_context_field = bt_ctf_field_structure_get_field(
 625                 stream_event_context, "common_event_context");
 626         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 627
 628         /* Populate the event's context */
 629         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 630                 "bt_ctf_event_get_event_context handles NULL correctly");
 631         event_context = bt_ctf_event_get_event_context(simple_event);
 632         ok(event_context,
 633                 "bt_ctf_event_get_event_context returns a field");
 634         returned_type = bt_ctf_field_get_type(event_context);
 635         ok(returned_type == event_context_type,
 636                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 637         event_context_field = bt_ctf_field_structure_get_field(event_context,
 638                 "event_specific_context");
 639         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 640                 "Successfully set an event context's value");
 641         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 642                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 643         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 644                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 645         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 646                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 647         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 648                 "Set an event context successfully");
 649
 650         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 651                 "Append simple event to trace stream");
 652
 653         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 654                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 655         packet_context = bt_ctf_stream_get_packet_context(stream);
 656         ok(packet_context,
 657                 "bt_ctf_stream_get_packet_context returns a packet context");
 658
 659         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 660                 "packet_size");
 661         ok(packet_context_field,
 662                 "Packet context contains the default packet_size field.");
 663         bt_put(packet_context_field);
 664         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 665                 "custom_packet_context_field");
 666         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 667                 "Custom packet context field value successfully set.");
 668
 669         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 670                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 671         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 672                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 673         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 674                 "Successfully set a stream's packet context");
 675
 676         ok(bt_ctf_stream_flush(stream) == 0,
 677                 "Flush trace stream with one event");
 678
 679         bt_put(simple_event_class);
 680         bt_put(simple_event);
 681         bt_put(uint_12_type);
 682         bt_put(int_64_type);
 683         bt_put(float_type);
 684         bt_put(enum_type);
 685         bt_put(enum_type_unsigned);
 686         bt_put(returned_type);
 687         bt_put(event_context_type);
 688         bt_put(integer_field);
 689         bt_put(float_field);
 690         bt_put(enum_field);
 691         bt_put(enum_field_unsigned);
 692         bt_put(enum_container_field);
 693         bt_put(enum_container_field_unsigned);
 694         bt_put(packet_context);
 695         bt_put(packet_context_field);
 696         bt_put(stream_event_context);
 697         bt_put(stream_event_context_field);
 698         bt_put(event_context);
 699         bt_put(event_context_field);
 700         bt_put(event_payload_type);
 701         bt_put(ep_integer_field_type);
 702         bt_put(ep_enum_field_type);
 703         bt_put(ep_enum_field_unsigned_type);
 704 }
 705
 706 static
 707 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 708                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 709 {
 710         struct event_class_attrs_counts {
 711                 int id;
 712                 int name;
 713                 int loglevel;
 714                 int modelemfuri;
 715                 int unknown;
 716         } attrs_count;
 717
 718         int i;
 719         int ret;
 720         int64_t int64_value;
 721         struct event_class_attrs_counts ;
 722         const char *complex_test_event_string = "Complex Test Event";
 723         const char *test_string_1 = "Test ";
 724         const char *test_string_2 = "string ";
 725         const char *test_string_3 = "abcdefghi";
 726         const char *test_string_4 = "abcd\0efg\0hi";
 727         const char *test_string_cat = "Test string abcdeabcd";
 728         struct bt_ctf_field_type *uint_35_type =
 729                 bt_ctf_field_type_integer_create(35);
 730         struct bt_ctf_field_type *int_16_type =
 731                 bt_ctf_field_type_integer_create(16);
 732         struct bt_ctf_field_type *uint_3_type =
 733                 bt_ctf_field_type_integer_create(3);
 734         struct bt_ctf_field_type *enum_variant_type =
 735                 bt_ctf_field_type_enumeration_create(uint_3_type);
 736         struct bt_ctf_field_type *variant_type =
 737                 bt_ctf_field_type_variant_create(enum_variant_type,
 738                         "variant_selector");
 739         struct bt_ctf_field_type *string_type =
 740                 bt_ctf_field_type_string_create();
 741         struct bt_ctf_field_type *sequence_type;
 742         struct bt_ctf_field_type *array_type;
 743         struct bt_ctf_field_type *inner_structure_type =
 744                 bt_ctf_field_type_structure_create();
 745         struct bt_ctf_field_type *complex_structure_type =
 746                 bt_ctf_field_type_structure_create();
 747         struct bt_ctf_field_type *ret_field_type;
 748         struct bt_ctf_event_class *event_class;
 749         struct bt_ctf_event *event;
 750         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 751                 *inner_structure_field, *complex_structure_field,
 752                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 753                 *variant_field, *an_array_field, *stream_event_ctx_field,
 754                 *stream_event_ctx_int_field, *ret_field;
 755         uint64_t ret_unsigned_int;
 756         int64_t ret_signed_int;
 757         const char *ret_string;
 758         struct bt_ctf_stream_class *ret_stream_class;
 759         struct bt_ctf_event_class *ret_event_class;
 760         struct bt_ctf_field *packet_context, *packet_context_field;
 761         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 762         struct bt_value *obj;
 763
 764         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 765                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 766         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 767                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 768         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 769                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 770         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 771                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 772         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 773                 "Set alignment of signed 16 bit integer to 32");
 774         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 775                 "Set integer signedness to true");
 776         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 777                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 778                 "Set signed 16 bit integer base to hexadecimal");
 779
 780         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 781         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 782                 "seq_len");
 783
 784         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 785                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 786         ret_field_type = bt_ctf_field_type_array_get_element_type(
 787                 array_type);
 788         ok(ret_field_type == int_16_type,
 789                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 790         bt_put(ret_field_type);
 791
 792         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 793                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 794         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 795                 "bt_ctf_field_type_array_get_length returns the correct length");
 796
 797         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 798                 inner_structure_type, "yes"), "Cannot add self to structure");
 799         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 800                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 801         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 802                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 803         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 804                 array_type, "an_array"), "Add an_array field to inner structure");
 805
 806         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 807                 "UINT3_TYPE", 0, 0);
 808         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 809                 "INT16_TYPE", 1, 1);
 810         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 811                 "UINT35_TYPE", 2, 7);
 812
 813         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 814         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 815
 816         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 817         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 818         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 819                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 820         BT_PUT(iter);
 821
 822         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 823         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 824
 825         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 826         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 827
 828         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 829         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 830         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 831                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 832         BT_PUT(iter);
 833
 834         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 835         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 836         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 837                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 838         BT_PUT(iter);
 839
 840         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 841                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 842         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 843                 "UINT3_TYPE") == 0, "Add a field to a variant");
 844         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 845                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 846         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 847                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 848
 849         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 850                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 851         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 852         ok(ret_field_type == enum_variant_type,
 853                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 854         bt_put(ret_field_type);
 855
 856         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 857                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 858         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 859         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 860                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 861         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 862                 "INT16_TYPE") == NULL,
 863                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 864         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 865                 NULL) == NULL,
 866                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 867         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 868                 variant_type, "INT16_TYPE");
 869         ok(ret_field_type == int_16_type,
 870                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 871         bt_put(ret_field_type);
 872
 873         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 874                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 875         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 876                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 877
 878         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 879                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 880         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 881                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 882         bt_put(ret_field_type);
 883         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 884                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 885         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 886                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 887         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 888                 "bt_ctf_field_type_variant_get_field returns a field");
 889         ok(!strcmp("INT16_TYPE", ret_string),
 890                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 891         ok(ret_field_type == int_16_type,
 892                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 893         bt_put(ret_field_type);
 894
 895         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 896                 enum_variant_type, "variant_selector"),
 897                 "Add variant_selector field to complex structure");
 898         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 899                 string_type, "a_string"), "Add a_string field to complex structure");
 900         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 901                 variant_type, "variant_value"),
 902                 "Add variant_value field to complex structure");
 903         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 904                 inner_structure_type, "inner_structure"),
 905                 "Add inner_structure field to complex structure");
 906
 907         ok(bt_ctf_event_class_create("clock") == NULL,
 908                 "Reject creation of an event class with an illegal name");
 909         event_class = bt_ctf_event_class_create(complex_test_event_string);
 910         ok(event_class, "Create an event class");
 911         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 912                 "Reject addition of a field with an empty name to an event");
 913         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 914                 "Reject addition of a field with a NULL type to an event");
 915         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 916                 "int"),
 917                 "Reject addition of a type with an illegal name to an event");
 918         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 919                 "uint_35") == 0,
 920                 "Add field of type unsigned integer to an event");
 921         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 922                 "int_16") == 0, "Add field of type signed integer to an event");
 923         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 924                 "complex_structure") == 0,
 925                 "Add composite structure to an event");
 926
 927         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 928                 "bt_ctf_event_class_get_name handles NULL correctly");
 929         ret_string = bt_ctf_event_class_get_name(event_class);
 930         ok(!strcmp(ret_string, complex_test_event_string),
 931                 "bt_ctf_event_class_get_name returns a correct name");
 932         ok(bt_ctf_event_class_get_id(event_class) < 0,
 933                 "bt_ctf_event_class_get_id returns a negative value when not set");
 934         ok(bt_ctf_event_class_get_id(NULL) < 0,
 935                 "bt_ctf_event_class_get_id handles NULL correctly");
 936         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 937                 "bt_ctf_event_class_set_id handles NULL correctly");
 938         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 939                 "Set an event class' id");
 940         ok(bt_ctf_event_class_get_id(event_class) == 42,
 941                 "bt_ctf_event_class_get_id returns the correct value");
 942
 943         /* Test event class attributes */
 944         obj = bt_value_integer_create_init(15);
 945         assert(obj);
 946         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 947                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 948         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 949                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 950         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 951                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 952         assert(!bt_value_integer_set(obj, -3));
 953         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 954                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 955         assert(!bt_value_integer_set(obj, 11));
 956         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 957         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 958                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 959         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 960         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 961         ok(ret,
 962                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 963         BT_PUT(obj);
 964
 965         obj = bt_value_integer_create_init(5);
 966         assert(obj);
 967         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 968                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 969         BT_PUT(obj);
 970         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 971                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 972         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 973                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 974         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 975                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 976         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 977                 "loglevel");
 978         int64_value = 0;
 979         ret = bt_value_integer_get(obj, &int64_value);
 980         ok(obj && !ret && int64_value == 5,
 981                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 982         BT_PUT(obj);
 983
 984         obj = bt_value_string_create_init("nu name");
 985         assert(obj);
 986         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 987         ret_string = bt_ctf_event_class_get_name(event_class);
 988         ok(!strcmp(ret_string, "nu name"),
 989                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 990         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 991         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 992         ok(ret,
 993                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 994         BT_PUT(obj);
 995         obj = bt_value_string_create_init("http://kernel.org/");
 996         assert(obj);
 997         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 998         BT_PUT(obj);
 999
1000         ok(bt_ctf_event_class_get_attribute_count(NULL),
1001                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
1002         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
1003                 "bt_ctf_event_class_get_attribute_count returns the correct count");
1004         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
1005                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
1006         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
1007                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
1008         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
1009                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
1010         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
1011                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
1012
1013         memset(&attrs_count, 0, sizeof(attrs_count));
1014
1015         for (i = 0; i < 4; ++i) {
1016                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
1017                         i);
1018                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
1019                 assert(ret_string && obj);
1020
1021                 if (!strcmp(ret_string, "id")) {
1022                         attrs_count.id++;
1023                         ok(bt_value_is_integer(obj),
1024                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1025                                 ret_string);
1026                 } else if (!strcmp(ret_string, "name")) {
1027                         attrs_count.name++;
1028                         ok(bt_value_is_string(obj),
1029                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1030                                 ret_string);
1031                 } else if (!strcmp(ret_string, "loglevel")) {
1032                         attrs_count.loglevel++;
1033                         ok(bt_value_is_integer(obj),
1034                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1035                                 ret_string);
1036                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1037                         attrs_count.modelemfuri++;
1038                         ok(bt_value_is_string(obj),
1039                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1040                                 ret_string);
1041                 } else {
1042                         attrs_count.unknown++;
1043                 }
1044
1045                 BT_PUT(obj);
1046         }
1047
1048         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1049         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1050                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1051                 "event class has one instance of each known attribute");
1052
1053         /* Add event class to the stream class */
1054         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1055                 "Reject addition of NULL event class to a stream class");
1056         ok(bt_ctf_stream_class_add_event_class(stream_class,
1057                 event_class) == 0, "Add an event class to stream class");
1058
1059         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1060                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1061         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1062         ok(ret_stream_class == stream_class,
1063                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1064         bt_put(ret_stream_class);
1065
1066         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1067                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1068         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1069                 "bt_ctf_event_class_get_field_count returns a correct value");
1070
1071         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1072                 &ret_field_type, 0) < 0,
1073                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1074         ok(bt_ctf_event_class_get_field(event_class, NULL,
1075                 &ret_field_type, 0) == 0,
1076                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1077         bt_put(ret_field_type);
1078         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1079                 NULL, 0) == 0,
1080                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1081         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1082                 &ret_field_type, 42) < 0,
1083                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1084         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1085                 &ret_field_type, 0) == 0,
1086                 "bt_ctf_event_class_get_field returns a field");
1087         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1088                 "bt_ctf_event_class_get_field returns a correct field type");
1089         bt_put(ret_field_type);
1090         ok(!strcmp(ret_string, "uint_35"),
1091                 "bt_ctf_event_class_get_field returns a correct field name");
1092         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1093                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1094         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1095                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1096         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1097                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1098         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1099                 "complex_structure");
1100         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1101                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1102         bt_put(ret_field_type);
1103
1104         event = bt_ctf_event_create(event_class);
1105         ok(event, "Instanciate a complex event");
1106
1107         ok(bt_ctf_event_get_class(NULL) == NULL,
1108                 "bt_ctf_event_get_class handles NULL correctly");
1109         ret_event_class = bt_ctf_event_get_class(event);
1110         ok(ret_event_class == event_class,
1111                 "bt_ctf_event_get_class returns the correct event class");
1112         bt_put(ret_event_class);
1113
1114         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1115         if (!uint_35_field) {
1116                 printf("uint_35_field is NULL\n");
1117         }
1118
1119         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1120         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1121         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1122                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1123         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1124                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1125         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1126                 &ret_unsigned_int) == 0,
1127                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1128         ok(ret_unsigned_int == 0x0DDF00D,
1129                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1130         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1131                 &ret_signed_int) < 0,
1132                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1133         bt_put(uint_35_field);
1134
1135         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1136         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1137         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1138                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1139         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1140                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1141         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1142                 &ret_signed_int) == 0,
1143                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1144         ok(ret_signed_int == -12345,
1145                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1146         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1147                 &ret_unsigned_int) < 0,
1148                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1149         bt_put(int_16_field);
1150
1151         complex_structure_field = bt_ctf_event_get_payload(event,
1152                 "complex_structure");
1153
1154         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1155                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1156         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1157                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1158         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1159                 complex_structure_field, 3);
1160         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1161         bt_put(inner_structure_field);
1162         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1163                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1164         bt_put(ret_field_type);
1165
1166         inner_structure_field = bt_ctf_field_structure_get_field(
1167                 complex_structure_field, "inner_structure");
1168         a_string_field = bt_ctf_field_structure_get_field(
1169                 complex_structure_field, "a_string");
1170         enum_variant_field = bt_ctf_field_structure_get_field(
1171                 complex_structure_field, "variant_selector");
1172         variant_field = bt_ctf_field_structure_get_field(
1173                 complex_structure_field, "variant_value");
1174         uint_35_field = bt_ctf_field_structure_get_field(
1175                 inner_structure_field, "seq_len");
1176         a_sequence_field = bt_ctf_field_structure_get_field(
1177                 inner_structure_field, "a_sequence");
1178         an_array_field = bt_ctf_field_structure_get_field(
1179                 inner_structure_field, "an_array");
1180
1181         enum_container_field = bt_ctf_field_enumeration_get_container(
1182                 enum_variant_field);
1183         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1184         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1185                 enum_variant_field);
1186         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1187         bt_put(int_16_field);
1188         ok(!bt_ctf_field_string_get_value(a_string_field),
1189                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1190         bt_ctf_field_string_set_value(a_string_field,
1191                 test_string_1);
1192         ok(!bt_ctf_field_string_get_value(NULL),
1193                 "bt_ctf_field_string_get_value correctly handles NULL");
1194         ok(bt_ctf_field_string_append(NULL, "yeah"),
1195                 "bt_ctf_field_string_append correctly handles a NULL string field");
1196         ok(bt_ctf_field_string_append(a_string_field, NULL),
1197                 "bt_ctf_field_string_append correctly handles a NULL string value");
1198         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1199                 "bt_ctf_field_string_append succeeds");
1200         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1201                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1202         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1203                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1204         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1205                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1206         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1207                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1208         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1209                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1210         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1211                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1212
1213         ret_string = bt_ctf_field_string_get_value(a_string_field);
1214         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1215         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1216                 "bt_ctf_field_string_get_value returns a correct value");
1217         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1218                 SEQUENCE_TEST_LENGTH);
1219
1220         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1221                 enum_container_field) == NULL,
1222                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1223         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1224                 NULL) == NULL,
1225                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1226         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1227                 variant_type, enum_variant_field);
1228         ok(ret_field_type == int_16_type,
1229                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1230
1231         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1232                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1233         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1234                 uint_35_field) == 0, "Set a sequence field's length");
1235         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1236         ok(ret_field == uint_35_field,
1237                 "bt_ctf_field_sequence_get_length returns the correct length field");
1238         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1239                 "bt_ctf_field_sequence_get_length properly handles NULL");
1240
1241         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1242                 int_16_field = bt_ctf_field_sequence_get_field(
1243                         a_sequence_field, i);
1244                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1245                 bt_put(int_16_field);
1246         }
1247
1248         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1249                 int_16_field = bt_ctf_field_array_get_field(
1250                         an_array_field, i);
1251                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1252                 bt_put(int_16_field);
1253         }
1254
1255         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1256         assert(stream_event_ctx_field);
1257         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1258                 stream_event_ctx_field, "common_event_context");
1259         BT_PUT(stream_event_ctx_field);
1260         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1261         BT_PUT(stream_event_ctx_int_field);
1262
1263         bt_ctf_clock_set_time(clock, ++current_time);
1264         ok(bt_ctf_stream_append_event(stream, event) == 0,
1265                 "Append a complex event to a stream");
1266
1267         /*
1268          * Populate the custom packet context field with a dummy value
1269          * otherwise flush will fail.
1270          */
1271         packet_context = bt_ctf_stream_get_packet_context(stream);
1272         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1273                 "custom_packet_context_field");
1274         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1275
1276         ok(bt_ctf_stream_flush(stream) == 0,
1277                 "Flush a stream containing a complex event");
1278
1279         bt_put(uint_35_field);
1280         bt_put(a_string_field);
1281         bt_put(inner_structure_field);
1282         bt_put(complex_structure_field);
1283         bt_put(a_sequence_field);
1284         bt_put(an_array_field);
1285         bt_put(enum_variant_field);
1286         bt_put(enum_container_field);
1287         bt_put(variant_field);
1288         bt_put(ret_field);
1289         bt_put(packet_context_field);
1290         bt_put(packet_context);
1291         bt_put(uint_35_type);
1292         bt_put(int_16_type);
1293         bt_put(string_type);
1294         bt_put(sequence_type);
1295         bt_put(array_type);
1296         bt_put(inner_structure_type);
1297         bt_put(complex_structure_type);
1298         bt_put(uint_3_type);
1299         bt_put(enum_variant_type);
1300         bt_put(variant_type);
1301         bt_put(ret_field_type);
1302         bt_put(event_class);
1303         bt_put(event);
1304 }
1305
1306 static
1307 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1308                 struct bt_ctf_field_type *expected_type, const char *name)
1309 {
1310         struct bt_ctf_field_type *copy_type;
1311
1312         copy_type = bt_ctf_field_get_type(field);
1313         ok(copy_type == expected_type,
1314                 "bt_ctf_field_copy does not copy the type (%s)", name);
1315         bt_put(copy_type);
1316 }
1317
1318 static
1319 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1320                 struct bt_ctf_field *field_b, const char *name)
1321 {
1322         ok(field_a != field_b,
1323                 "bt_ctf_field_copy creates different pointers (%s)", name);
1324 }
1325
1326 static
1327 void field_copy_tests()
1328 {
1329         struct bt_ctf_field_type *len_type = NULL;
1330         struct bt_ctf_field_type *fp_type = NULL;
1331         struct bt_ctf_field_type *s_type = NULL;
1332         struct bt_ctf_field_type *e_int_type = NULL;
1333         struct bt_ctf_field_type *e_type = NULL;
1334         struct bt_ctf_field_type *v_type = NULL;
1335         struct bt_ctf_field_type *v_label1_type = NULL;
1336         struct bt_ctf_field_type *v_label1_array_type = NULL;
1337         struct bt_ctf_field_type *v_label2_type = NULL;
1338         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1339         struct bt_ctf_field_type *strct_type = NULL;
1340         struct bt_ctf_field *len = NULL;
1341         struct bt_ctf_field *fp = NULL;
1342         struct bt_ctf_field *s = NULL;
1343         struct bt_ctf_field *e_int = NULL;
1344         struct bt_ctf_field *e = NULL;
1345         struct bt_ctf_field *v = NULL;
1346         struct bt_ctf_field *v_selected = NULL;
1347         struct bt_ctf_field *v_selected_cur = NULL;
1348         struct bt_ctf_field *v_selected_0 = NULL;
1349         struct bt_ctf_field *v_selected_1 = NULL;
1350         struct bt_ctf_field *v_selected_2 = NULL;
1351         struct bt_ctf_field *v_selected_3 = NULL;
1352         struct bt_ctf_field *v_selected_4 = NULL;
1353         struct bt_ctf_field *v_selected_5 = NULL;
1354         struct bt_ctf_field *v_selected_6 = NULL;
1355         struct bt_ctf_field *a = NULL;
1356         struct bt_ctf_field *a_0 = NULL;
1357         struct bt_ctf_field *a_1 = NULL;
1358         struct bt_ctf_field *a_2 = NULL;
1359         struct bt_ctf_field *a_3 = NULL;
1360         struct bt_ctf_field *a_4 = NULL;
1361         struct bt_ctf_field *strct = NULL;
1362         struct bt_ctf_field *len_copy = NULL;
1363         struct bt_ctf_field *fp_copy = NULL;
1364         struct bt_ctf_field *s_copy = NULL;
1365         struct bt_ctf_field *e_int_copy = NULL;
1366         struct bt_ctf_field *e_copy = NULL;
1367         struct bt_ctf_field *v_copy = NULL;
1368         struct bt_ctf_field *v_selected_copy = NULL;
1369         struct bt_ctf_field *v_selected_copy_len = NULL;
1370         struct bt_ctf_field *v_selected_0_copy = NULL;
1371         struct bt_ctf_field *v_selected_1_copy = NULL;
1372         struct bt_ctf_field *v_selected_2_copy = NULL;
1373         struct bt_ctf_field *v_selected_3_copy = NULL;
1374         struct bt_ctf_field *v_selected_4_copy = NULL;
1375         struct bt_ctf_field *v_selected_5_copy = NULL;
1376         struct bt_ctf_field *v_selected_6_copy = NULL;
1377         struct bt_ctf_field *a_copy = NULL;
1378         struct bt_ctf_field *a_0_copy = NULL;
1379         struct bt_ctf_field *a_1_copy = NULL;
1380         struct bt_ctf_field *a_2_copy = NULL;
1381         struct bt_ctf_field *a_3_copy = NULL;
1382         struct bt_ctf_field *a_4_copy = NULL;
1383         struct bt_ctf_field *strct_copy = NULL;
1384         uint64_t uint64_t_val;
1385         const char *str_val;
1386         double double_val;
1387         int ret;
1388
1389         /* create len type */
1390         len_type = bt_ctf_field_type_integer_create(32);
1391         assert(len_type);
1392
1393         /* create fp type */
1394         fp_type = bt_ctf_field_type_floating_point_create();
1395         assert(fp_type);
1396
1397         /* create s type */
1398         s_type = bt_ctf_field_type_string_create();
1399         assert(s_type);
1400
1401         /* create e_int type */
1402         e_int_type = bt_ctf_field_type_integer_create(8);
1403         assert(e_int_type);
1404
1405         /* create e type */
1406         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1407         assert(e_type);
1408         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1409                 10, 15);
1410         assert(!ret);
1411         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1412                 23, 23);
1413         assert(!ret);
1414
1415         /* create v_label1 type */
1416         v_label1_type = bt_ctf_field_type_string_create();
1417         assert(v_label1_type);
1418
1419         /* create v_label1_array type */
1420         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1421         assert(v_label1_array_type);
1422
1423         /* create v_label2 type */
1424         v_label2_type = bt_ctf_field_type_integer_create(16);
1425         assert(v_label2_type);
1426
1427         /* create v_label2_seq type */
1428         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1429                 "len");
1430         assert(v_label2_seq_type);
1431
1432         /* create v type */
1433         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1434         assert(v_type);
1435         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1436                 "LABEL1");
1437         assert(!ret);
1438         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1439                 "LABEL2");
1440         assert(!ret);
1441
1442         /* create strct type */
1443         strct_type = bt_ctf_field_type_structure_create();
1444         assert(strct_type);
1445         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1446                 "len");
1447         assert(!ret);
1448         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1449         assert(!ret);
1450         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1451         assert(!ret);
1452         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1453         assert(!ret);
1454         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1455         assert(!ret);
1456         ret = bt_ctf_field_type_structure_add_field(strct_type,
1457                 v_label1_array_type, "a");
1458         assert(!ret);
1459
1460         /* create strct */
1461         strct = bt_ctf_field_create(strct_type);
1462         assert(strct);
1463
1464         /* get len field */
1465         len = bt_ctf_field_structure_get_field(strct, "len");
1466         assert(len);
1467
1468         /* get fp field */
1469         fp = bt_ctf_field_structure_get_field(strct, "fp");
1470         assert(fp);
1471
1472         /* get s field */
1473         s = bt_ctf_field_structure_get_field(strct, "s");
1474         assert(s);
1475
1476         /* get e field */
1477         e = bt_ctf_field_structure_get_field(strct, "e");
1478         assert(e);
1479
1480         /* get e_int (underlying integer) */
1481         e_int = bt_ctf_field_enumeration_get_container(e);
1482         assert(e_int);
1483
1484         /* get v field */
1485         v = bt_ctf_field_structure_get_field(strct, "v");
1486         assert(v);
1487
1488         /* get a field */
1489         a = bt_ctf_field_structure_get_field(strct, "a");
1490         assert(a);
1491
1492         /* set len field */
1493         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1494         assert(!ret);
1495
1496         /* set fp field */
1497         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1498         assert(!ret);
1499
1500         /* set s field */
1501         ret = bt_ctf_field_string_set_value(s, "btbt");
1502         assert(!ret);
1503
1504         /* set e field (LABEL2) */
1505         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1506         assert(!ret);
1507
1508         /* set v field */
1509         v_selected = bt_ctf_field_variant_get_field(v, e);
1510         assert(v_selected);
1511         ok(!bt_ctf_field_variant_get_current_field(NULL),
1512                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1513         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1514         ok(v_selected_cur == v_selected,
1515                 "bt_ctf_field_variant_get_current_field returns the current field");
1516         bt_put(v_selected_cur);
1517
1518         /* set selected v field */
1519         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1520         assert(!ret);
1521         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1522         assert(v_selected_0);
1523         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1524         assert(!ret);
1525         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1526         assert(v_selected_1);
1527         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1528         assert(!ret);
1529         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1530         assert(v_selected_2);
1531         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1532         assert(!ret);
1533         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1534         assert(v_selected_3);
1535         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1536         assert(!ret);
1537         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1538         assert(v_selected_4);
1539         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1540         assert(!ret);
1541         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1542         assert(v_selected_5);
1543         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1544         assert(!ret);
1545         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1546         assert(v_selected_6);
1547         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1548         assert(!ret);
1549
1550         /* set a field */
1551         a_0 = bt_ctf_field_array_get_field(a, 0);
1552         assert(a_0);
1553         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1554         assert(!ret);
1555         a_1 = bt_ctf_field_array_get_field(a, 1);
1556         assert(a_1);
1557         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1558         assert(!ret);
1559         a_2 = bt_ctf_field_array_get_field(a, 2);
1560         assert(a_2);
1561         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1562         assert(!ret);
1563         a_3 = bt_ctf_field_array_get_field(a, 3);
1564         assert(a_3);
1565         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1566         assert(!ret);
1567         a_4 = bt_ctf_field_array_get_field(a, 4);
1568         assert(a_4);
1569         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1570         assert(!ret);
1571
1572         /* create copy of strct */
1573         ok(!bt_ctf_field_copy(NULL),
1574                 "bt_ctf_field_copy handles NULL correctly");
1575         strct_copy = bt_ctf_field_copy(strct);
1576         ok(strct_copy,
1577                 "bt_ctf_field_copy returns a valid pointer");
1578
1579         /* get all copied fields */
1580         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1581         assert(len_copy);
1582         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1583         assert(fp_copy);
1584         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1585         assert(s_copy);
1586         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1587         assert(e_copy);
1588         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1589         assert(e_int_copy);
1590         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1591         assert(v_copy);
1592         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1593         assert(v_selected_copy);
1594         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1595         assert(v_selected_0_copy);
1596         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1597         assert(v_selected_1_copy);
1598         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1599         assert(v_selected_2_copy);
1600         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1601         assert(v_selected_3_copy);
1602         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1603         assert(v_selected_4_copy);
1604         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1605         assert(v_selected_5_copy);
1606         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1607         assert(v_selected_6_copy);
1608         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1609                 "sequence field copy is not too large");
1610         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1611         assert(a_copy);
1612         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1613         assert(a_0_copy);
1614         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1615         assert(a_1_copy);
1616         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1617         assert(a_2_copy);
1618         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1619         assert(a_3_copy);
1620         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1621         assert(a_4_copy);
1622         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1623                 "array field copy is not too large");
1624
1625         /* make sure copied fields are different pointers */
1626         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1627         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1628         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1629         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1630         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1631         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1632         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1633         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1634                 "v_selected");
1635         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1636                 "v_selected_0");
1637         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1638                 "v_selected_1");
1639         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1640                 "v_selected_2");
1641         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1642                 "v_selected_3");
1643         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1644                 "v_selected_4");
1645         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1646                 "v_selected_5");
1647         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1648                 "v_selected_6");
1649         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1650         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1651         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1652         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1653         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1654         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1655
1656         /* make sure copied fields share the same types */
1657         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1658         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1659         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1660         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1661         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1662         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1663         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1664                 "v_selected");
1665         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1666                 "v_selected_0");
1667         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1668                 "v_selected_1");
1669         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1670                 "v_selected_2");
1671         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1672                 "v_selected_3");
1673         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1674                 "v_selected_4");
1675         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1676                 "v_selected_5");
1677         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1678                 "v_selected_6");
1679         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1680         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1681         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1682         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1683         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1684         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1685
1686         /* validate len copy */
1687         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1688         assert(!ret);
1689         ok(uint64_t_val == 7,
1690                 "bt_ctf_field_copy creates a valid integer field copy");
1691
1692         /* validate fp copy */
1693         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1694         assert(!ret);
1695         ok(double_val == 3.14,
1696                 "bt_ctf_field_copy creates a valid floating point number field copy");
1697
1698         /* validate s copy */
1699         str_val = bt_ctf_field_string_get_value(s_copy);
1700         ok(str_val && !strcmp(str_val, "btbt"),
1701                 "bt_ctf_field_copy creates a valid string field copy");
1702
1703         /* validate e_int copy */
1704         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1705                 &uint64_t_val);
1706         assert(!ret);
1707         ok(uint64_t_val == 23,
1708                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1709
1710         /* validate e copy */
1711         str_val = bt_ctf_field_enumeration_get_single_mapping_name(e_copy);
1712         ok(str_val && !strcmp(str_val, "LABEL2"),
1713                 "bt_ctf_field_copy creates a valid enum field copy");
1714
1715         /* validate v_selected copy */
1716         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1717         assert(v_selected_copy_len);
1718         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1719                 &uint64_t_val);
1720         assert(!ret);
1721         ok(uint64_t_val == 7,
1722                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1723         bt_put(v_selected_copy_len);
1724         v_selected_copy_len = NULL;
1725
1726         /* validate v_selected copy fields */
1727         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1728                 &uint64_t_val);
1729         assert(!ret);
1730         ok(uint64_t_val == 7,
1731                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1732         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1733                 &uint64_t_val);
1734         assert(!ret);
1735         ok(uint64_t_val == 6,
1736                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1737         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1738                 &uint64_t_val);
1739         assert(!ret);
1740         ok(uint64_t_val == 5,
1741                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1742         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1743                 &uint64_t_val);
1744         assert(!ret);
1745         ok(uint64_t_val == 4,
1746                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1747         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1748                 &uint64_t_val);
1749         assert(!ret);
1750         ok(uint64_t_val == 3,
1751                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1752         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1753                 &uint64_t_val);
1754         assert(!ret);
1755         ok(uint64_t_val == 2,
1756                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1757         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1758                 &uint64_t_val);
1759         assert(!ret);
1760         ok(uint64_t_val == 1,
1761                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1762
1763         /* validate a copy fields */
1764         str_val = bt_ctf_field_string_get_value(a_0_copy);
1765         ok(str_val && !strcmp(str_val, "a_0"),
1766                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1767         str_val = bt_ctf_field_string_get_value(a_1_copy);
1768         ok(str_val && !strcmp(str_val, "a_1"),
1769                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1770         str_val = bt_ctf_field_string_get_value(a_2_copy);
1771         ok(str_val && !strcmp(str_val, "a_2"),
1772                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1773         str_val = bt_ctf_field_string_get_value(a_3_copy);
1774         ok(str_val && !strcmp(str_val, "a_3"),
1775                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1776         str_val = bt_ctf_field_string_get_value(a_4_copy);
1777         ok(str_val && !strcmp(str_val, "a_4"),
1778                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1779
1780         /* put everything */
1781         bt_put(len_type);
1782         bt_put(fp_type);
1783         bt_put(s_type);
1784         bt_put(e_int_type);
1785         bt_put(e_type);
1786         bt_put(v_type);
1787         bt_put(v_label1_type);
1788         bt_put(v_label1_array_type);
1789         bt_put(v_label2_type);
1790         bt_put(v_label2_seq_type);
1791         bt_put(strct_type);
1792         bt_put(len);
1793         bt_put(fp);
1794         bt_put(s);
1795         bt_put(e_int);
1796         bt_put(e);
1797         bt_put(v);
1798         bt_put(v_selected);
1799         bt_put(v_selected_0);
1800         bt_put(v_selected_1);
1801         bt_put(v_selected_2);
1802         bt_put(v_selected_3);
1803         bt_put(v_selected_4);
1804         bt_put(v_selected_5);
1805         bt_put(v_selected_6);
1806         bt_put(a);
1807         bt_put(a_0);
1808         bt_put(a_1);
1809         bt_put(a_2);
1810         bt_put(a_3);
1811         bt_put(a_4);
1812         bt_put(strct);
1813         bt_put(len_copy);
1814         bt_put(fp_copy);
1815         bt_put(s_copy);
1816         bt_put(e_int_copy);
1817         bt_put(e_copy);
1818         bt_put(v_copy);
1819         bt_put(v_selected_copy);
1820         bt_put(v_selected_0_copy);
1821         bt_put(v_selected_1_copy);
1822         bt_put(v_selected_2_copy);
1823         bt_put(v_selected_3_copy);
1824         bt_put(v_selected_4_copy);
1825         bt_put(v_selected_5_copy);
1826         bt_put(v_selected_6_copy);
1827         bt_put(a_copy);
1828         bt_put(a_0_copy);
1829         bt_put(a_1_copy);
1830         bt_put(a_2_copy);
1831         bt_put(a_3_copy);
1832         bt_put(a_4_copy);
1833         bt_put(strct_copy);
1834 }
1835
1836 static
1837 void type_field_tests()
1838 {
1839         struct bt_ctf_field *uint_12;
1840         struct bt_ctf_field *int_16;
1841         struct bt_ctf_field *string;
1842         struct bt_ctf_field *enumeration;
1843         struct bt_ctf_field_type *composite_structure_type;
1844         struct bt_ctf_field_type *structure_seq_type;
1845         struct bt_ctf_field_type *string_type;
1846         struct bt_ctf_field_type *sequence_type;
1847         struct bt_ctf_field_type *uint_8_type;
1848         struct bt_ctf_field_type *int_16_type;
1849         struct bt_ctf_field_type *uint_12_type =
1850                 bt_ctf_field_type_integer_create(12);
1851         struct bt_ctf_field_type *enumeration_type;
1852         struct bt_ctf_field_type *returned_type;
1853         const char *ret_string;
1854
1855         returned_type = bt_ctf_field_get_type(NULL);
1856         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1857
1858         ok(uint_12_type, "Create an unsigned integer type");
1859         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1860                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1861                 "Set integer type's base as binary");
1862         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1863                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1864                 "Set integer type's base as decimal");
1865         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1866                 BT_CTF_INTEGER_BASE_UNKNOWN),
1867                 "Reject integer type's base set as unknown");
1868         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1869                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1870                 "Set integer type's base as octal");
1871         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1872                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1873                 "Set integer type's base as hexadecimal");
1874         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1875                 "Reject unknown integer base value");
1876         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1877                 "Set integer type signedness to signed");
1878         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1879                 "Set integer type signedness to unsigned");
1880         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1881                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1882         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1883                 "bt_ctf_field_type_integer_get_size returns a correct value");
1884         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1885                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1886         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1887                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1888
1889         ok(bt_ctf_field_type_set_byte_order(NULL,
1890                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1891                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1892         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1893                 (enum bt_ctf_byte_order) 42) < 0,
1894                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1895         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1896                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1897                 "Set an integer's byte order to little endian");
1898         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1899                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1900                 "Set an integer's byte order to big endian");
1901         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1902                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1903                 "bt_ctf_field_type_get_byte_order returns a correct value");
1904         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1905                 BT_CTF_BYTE_ORDER_UNKNOWN,
1906                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1907
1908         ok(bt_ctf_field_type_get_type_id(NULL) ==
1909                 BT_CTF_TYPE_ID_UNKNOWN,
1910                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1911         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1912                 BT_CTF_TYPE_ID_INTEGER,
1913                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1914
1915         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1916                 BT_CTF_INTEGER_BASE_UNKNOWN,
1917                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1918         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1919                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1920                 "bt_ctf_field_type_integer_get_base returns a correct value");
1921
1922         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1923                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1924                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1925         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1926                 (enum bt_ctf_string_encoding) 123) < 0,
1927                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1928         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1929                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1930                 "Set integer type encoding to UTF8");
1931         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1932                 BT_CTF_STRING_ENCODING_UNKNOWN,
1933                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1934         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1935                 BT_CTF_STRING_ENCODING_UTF8,
1936                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1937
1938         int_16_type = bt_ctf_field_type_integer_create(16);
1939         assert(int_16_type);
1940         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1941                 "Set signedness of 16 bit integer to true");
1942         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1943                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1944         uint_8_type = bt_ctf_field_type_integer_create(8);
1945         sequence_type =
1946                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1947         ok(sequence_type, "Create a sequence of int16_t type");
1948         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1949                 BT_CTF_TYPE_ID_SEQUENCE,
1950                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1951
1952         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1953                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1954         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1955                 sequence_type);
1956         ok(!strcmp(ret_string, "seq_len"),
1957                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1958         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1959                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1960         returned_type = bt_ctf_field_type_sequence_get_element_type(
1961                 sequence_type);
1962         ok(returned_type == int_16_type,
1963                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1964         bt_put(returned_type);
1965
1966         string_type = bt_ctf_field_type_string_create();
1967         ok(string_type, "Create a string type");
1968         ok(bt_ctf_field_type_string_set_encoding(string_type,
1969                 BT_CTF_STRING_ENCODING_NONE),
1970                 "Reject invalid \"None\" string encoding");
1971         ok(bt_ctf_field_type_string_set_encoding(string_type,
1972                 42),
1973                 "Reject invalid string encoding");
1974         ok(bt_ctf_field_type_string_set_encoding(string_type,
1975                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1976                 "Set string encoding to ASCII");
1977
1978         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1979                 BT_CTF_STRING_ENCODING_UNKNOWN,
1980                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1981         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1982                 BT_CTF_STRING_ENCODING_ASCII,
1983                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1984
1985         structure_seq_type = bt_ctf_field_type_structure_create();
1986         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1987                 BT_CTF_TYPE_ID_STRUCT,
1988                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1989         ok(structure_seq_type, "Create a structure type");
1990         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1991                 uint_8_type, "seq_len") == 0,
1992                 "Add a uint8_t type to a structure");
1993         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1994                 sequence_type, "a_sequence") == 0,
1995                 "Add a sequence type to a structure");
1996
1997         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1998                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1999         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
2000                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
2001
2002         ok(bt_ctf_field_type_structure_get_field(NULL,
2003                 &ret_string, &returned_type, 1) < 0,
2004                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
2005         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2006                 NULL, &returned_type, 1) == 0,
2007                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
2008         bt_put(returned_type);
2009         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2010                 &ret_string, NULL, 1) == 0,
2011                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
2012         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2013                 &ret_string, &returned_type, 10) < 0,
2014                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
2015         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
2016                 &ret_string, &returned_type, 1) == 0,
2017                 "bt_ctf_field_type_structure_get_field returns a field");
2018         ok(!strcmp(ret_string, "a_sequence"),
2019                 "bt_ctf_field_type_structure_get_field returns a correct field name");
2020         ok(returned_type == sequence_type,
2021                 "bt_ctf_field_type_structure_get_field returns a correct field type");
2022         bt_put(returned_type);
2023
2024         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
2025                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
2026         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
2027                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2028         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2029                 structure_seq_type, "a_sequence");
2030         ok(returned_type == sequence_type,
2031                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2032         bt_put(returned_type);
2033
2034         composite_structure_type = bt_ctf_field_type_structure_create();
2035         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2036                 string_type, "a_string") == 0,
2037                 "Add a string type to a structure");
2038         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2039                 structure_seq_type, "inner_structure") == 0,
2040                 "Add a structure type to a structure");
2041
2042         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2043                 NULL, "a_sequence") == NULL,
2044                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2045         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2046                 structure_seq_type, NULL) == NULL,
2047                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2048         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2049                 structure_seq_type, "a_sequence");
2050         ok(returned_type == sequence_type,
2051                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2052         bt_put(returned_type);
2053
2054         int_16 = bt_ctf_field_create(int_16_type);
2055         ok(int_16, "Instanciate a signed 16-bit integer");
2056         uint_12 = bt_ctf_field_create(uint_12_type);
2057         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2058         returned_type = bt_ctf_field_get_type(int_16);
2059         ok(returned_type == int_16_type,
2060                 "bt_ctf_field_get_type returns the correct type");
2061
2062         /* Can't modify types after instanciating them */
2063         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2064                 BT_CTF_INTEGER_BASE_DECIMAL),
2065                 "Check an integer type' base can't be modified after instanciation");
2066         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2067                 "Check an integer type's signedness can't be modified after instanciation");
2068
2069         /* Check signed property is checked */
2070         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2071                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2072         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2073                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2074
2075         /* Check overflows are properly tested for */
2076         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2077                 "Check -32768 is allowed for a signed 16-bit integer");
2078         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2079                 "Check 32767 is allowed for a signed 16-bit integer");
2080         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2081                 "Check 32768 is not allowed for a signed 16-bit integer");
2082         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2083                 "Check -32769 is not allowed for a signed 16-bit integer");
2084         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2085                 "Check -42 is allowed for a signed 16-bit integer");
2086
2087         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2088                 "Check 4095 is allowed for an unsigned 12-bit integer");
2089         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2090                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2091         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2092                 "Check 0 is allowed for an unsigned 12-bit integer");
2093
2094         string = bt_ctf_field_create(string_type);
2095         ok(string, "Instanciate a string field");
2096         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2097                 "Set a string's value");
2098
2099         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2100         ok(enumeration_type,
2101                 "Create an enumeration type with an unsigned 12-bit integer as container");
2102         enumeration = bt_ctf_field_create(enumeration_type);
2103         ok(!enumeration,
2104                 "Check enumeration types are validated before instantiation");
2105
2106         bt_put(string);
2107         bt_put(uint_12);
2108         bt_put(int_16);
2109         bt_put(enumeration);
2110         bt_put(composite_structure_type);
2111         bt_put(structure_seq_type);
2112         bt_put(string_type);
2113         bt_put(sequence_type);
2114         bt_put(uint_8_type);
2115         bt_put(int_16_type);
2116         bt_put(uint_12_type);
2117         bt_put(enumeration_type);
2118         bt_put(returned_type);
2119 }
2120
2121 static
2122 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2123                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2124 {
2125         /*
2126          * Append enough events to force the underlying packet to be resized.
2127          * Also tests that a new event can be declared after a stream has been
2128          * instantiated and used/flushed.
2129          */
2130         int ret = 0;
2131         int i;
2132         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2133                 "Spammy_Event");
2134         struct bt_ctf_field_type *integer_type =
2135                 bt_ctf_field_type_integer_create(17);
2136         struct bt_ctf_field_type *string_type =
2137                 bt_ctf_field_type_string_create();
2138         struct bt_ctf_event *event = NULL;
2139         struct bt_ctf_field *ret_field = NULL;
2140         struct bt_ctf_field_type *ret_field_type = NULL;
2141         uint64_t ret_uint64;
2142         int events_appended = 0;
2143         struct bt_ctf_field *packet_context = NULL,
2144                 *packet_context_field = NULL, *stream_event_context = NULL;
2145         struct bt_ctf_field_type *ep_field_1_type = NULL;
2146         struct bt_ctf_field_type *ep_a_string_type = NULL;
2147         struct bt_ctf_field_type *ep_type = NULL;
2148
2149         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2150                 "field_1");
2151         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2152                 "a_string");
2153         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2154         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2155         if (ret) {
2156                 goto end;
2157         }
2158
2159         /*
2160          * bt_ctf_stream_class_add_event_class() copies the field types
2161          * of event_class, so we retrieve the new ones to create the
2162          * appropriate fields.
2163          */
2164         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2165         assert(ep_type);
2166         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2167                 ep_type, "field_1");
2168         assert(ep_field_1_type);
2169         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2170                 ep_type, "a_string");
2171         assert(ep_a_string_type);
2172
2173         event = bt_ctf_event_create(event_class);
2174         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2175         ret_field_type = bt_ctf_field_get_type(ret_field);
2176         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2177                 "bt_ctf_event_get_payload_by_index returns a correct field");
2178         bt_put(ret_field_type);
2179         bt_put(ret_field);
2180
2181         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2182                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2183         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2184                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2185         bt_put(event);
2186
2187         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2188                 event = bt_ctf_event_create(event_class);
2189                 struct bt_ctf_field *integer =
2190                         bt_ctf_field_create(ep_field_1_type);
2191                 struct bt_ctf_field *string =
2192                         bt_ctf_field_create(ep_a_string_type);
2193
2194                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2195                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2196                 ret |= bt_ctf_event_set_payload(event, "field_1",
2197                         integer);
2198                 bt_put(integer);
2199                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2200                 ret |= bt_ctf_event_set_payload(event, "a_string",
2201                         string);
2202                 bt_put(string);
2203
2204                 /* Populate stream event context */
2205                 stream_event_context =
2206                         bt_ctf_event_get_stream_event_context(event);
2207                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2208                         "common_event_context");
2209                 BT_PUT(stream_event_context);
2210                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2211                         i % 42);
2212                 bt_put(integer);
2213
2214                 ret |= bt_ctf_stream_append_event(stream, event);
2215                 bt_put(event);
2216
2217                 if (ret) {
2218                         break;
2219                 }
2220         }
2221
2222         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2223         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2224                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2225         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2226                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2227         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2228         ok(ret == 0 && ret_uint64 == 0,
2229                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2230         bt_ctf_stream_append_discarded_events(stream, 1000);
2231         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2232         ok(ret == 0 && ret_uint64 == 1000,
2233                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2234
2235 end:
2236         ok(events_appended, "Append 100 000 events to a stream");
2237
2238         /*
2239          * Populate the custom packet context field with a dummy value
2240          * otherwise flush will fail.
2241          */
2242         packet_context = bt_ctf_stream_get_packet_context(stream);
2243         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2244                 "custom_packet_context_field");
2245         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2246
2247         ok(bt_ctf_stream_flush(stream) == 0,
2248                 "Flush a stream that forces a packet resize");
2249         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2250         ok(ret == 0 && ret_uint64 == 1000,
2251                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2252         bt_put(integer_type);
2253         bt_put(string_type);
2254         bt_put(packet_context);
2255         bt_put(packet_context_field);
2256         bt_put(stream_event_context);
2257         bt_put(event_class);
2258         bt_put(ep_field_1_type);
2259         bt_put(ep_a_string_type);
2260         bt_put(ep_type);
2261 }
2262
2263 static
2264 void test_empty_stream(struct bt_ctf_writer *writer)
2265 {
2266         int ret = 0;
2267         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2268         struct bt_ctf_stream_class *stream_class = NULL;
2269         struct bt_ctf_stream *stream = NULL;
2270
2271         trace = bt_ctf_writer_get_trace(writer);
2272         if (!trace) {
2273                 diag("Failed to get trace from writer");
2274                 ret = -1;
2275                 goto end;
2276         }
2277
2278         stream_class = bt_ctf_stream_class_create("empty_stream");
2279         if (!stream_class) {
2280                 diag("Failed to create stream class");
2281                 ret = -1;
2282                 goto end;
2283         }
2284
2285         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2286                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2287         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2288                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2289
2290         stream = bt_ctf_writer_create_stream(writer, stream_class);
2291         if (!stream) {
2292                 diag("Failed to create writer stream");
2293                 ret = -1;
2294                 goto end;
2295         }
2296
2297         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2298         ok(ret_trace == trace,
2299                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2300 end:
2301         ok(ret == 0,
2302                 "Created a stream class with default attributes and an empty stream");
2303         bt_put(trace);
2304         bt_put(ret_trace);
2305         bt_put(stream);
2306         bt_put(stream_class);
2307 }
2308
2309 static
2310 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2311                         struct bt_ctf_clock *clock)
2312 {
2313         int i, ret;
2314         struct bt_ctf_stream_class *stream_class = NULL;
2315         struct bt_ctf_stream *stream = NULL;
2316         struct bt_ctf_field_type *integer_type = NULL,
2317                 *sequence_type = NULL, *event_header_type = NULL;
2318         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2319                 *event_header = NULL, *packet_header = NULL;
2320         struct bt_ctf_event_class *event_class = NULL;
2321         struct bt_ctf_event *event = NULL;
2322
2323         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2324         if (!stream_class) {
2325                 fail("Failed to create stream class");
2326                 goto end;
2327         }
2328
2329         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2330         if (ret) {
2331                 fail("Failed to set stream class clock");
2332                 goto end;
2333         }
2334
2335         /*
2336          * Customize event header to add an "seq_len" integer member
2337          * which will be used as the length of a sequence in an event of this
2338          * stream.
2339          */
2340         event_header_type = bt_ctf_stream_class_get_event_header_type(
2341                 stream_class);
2342         if (!event_header_type) {
2343                 fail("Failed to get event header type");
2344                 goto end;
2345         }
2346
2347         integer_type = bt_ctf_field_type_integer_create(13);
2348         if (!integer_type) {
2349                 fail("Failed to create length integer type");
2350                 goto end;
2351         }
2352
2353         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2354                 integer_type, "seq_len");
2355         if (ret) {
2356                 fail("Failed to add a new field to stream event header");
2357                 goto end;
2358         }
2359
2360         event_class = bt_ctf_event_class_create("sequence_event");
2361         if (!event_class) {
2362                 fail("Failed to create event class");
2363                 goto end;
2364         }
2365
2366         /*
2367          * This event's payload will contain a sequence which references
2368          * stream.event.header.seq_len as its length field.
2369          */
2370         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2371                 "stream.event.header.seq_len");
2372         if (!sequence_type) {
2373                 fail("Failed to create a sequence");
2374                 goto end;
2375         }
2376
2377         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2378                 "some_sequence");
2379         if (ret) {
2380                 fail("Failed to add a sequence to an event class");
2381                 goto end;
2382         }
2383
2384         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2385         if (ret) {
2386                 fail("Failed to add event class to stream class");
2387                 goto end;
2388         }
2389
2390         stream = bt_ctf_writer_create_stream(writer, stream_class);
2391         if (!stream) {
2392                 fail("Failed to create stream")
2393                 goto end;
2394         }
2395
2396         /*
2397          * We have defined a custom packet header field. We have to populate it
2398          * explicitly.
2399          */
2400         packet_header = bt_ctf_stream_get_packet_header(stream);
2401         if (!packet_header) {
2402                 fail("Failed to get stream packet header");
2403                 goto end;
2404         }
2405
2406         integer = bt_ctf_field_structure_get_field(packet_header,
2407                 "custom_trace_packet_header_field");
2408         if (!integer) {
2409                 fail("Failed to retrieve custom_trace_packet_header_field");
2410                 goto end;
2411         }
2412
2413         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2414         if (ret) {
2415                 fail("Failed to set custom_trace_packet_header_field value");
2416                 goto end;
2417         }
2418         bt_put(integer);
2419
2420         event = bt_ctf_event_create(event_class);
2421         if (!event) {
2422                 fail("Failed to create event");
2423                 goto end;
2424         }
2425
2426         event_header = bt_ctf_event_get_header(event);
2427         if (!event_header) {
2428                 fail("Failed to get event header");
2429                 goto end;
2430         }
2431
2432         integer = bt_ctf_field_structure_get_field(event_header,
2433                 "seq_len");
2434         if (!integer) {
2435                 fail("Failed to get seq_len field from event header");
2436                 goto end;
2437         }
2438
2439         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2440         if (ret) {
2441                 fail("Failed to set seq_len value in event header");
2442                 goto end;
2443         }
2444
2445         /* Populate both sequence integer fields */
2446         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2447         if (!sequence) {
2448                 fail("Failed to retrieve sequence from event");
2449                 goto end;
2450         }
2451
2452         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2453         if (ret) {
2454                 fail("Failed to set sequence length");
2455                 goto end;
2456         }
2457         bt_put(integer);
2458
2459         for (i = 0; i < 2; i++) {
2460                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2461                 if (ret) {
2462                         fail("Failed to retrieve sequence element");
2463                         goto end;
2464                 }
2465
2466                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2467                 if (ret) {
2468                         fail("Failed to set sequence element value");
2469                         goto end;
2470                 }
2471
2472                 bt_put(integer);
2473                 integer = NULL;
2474         }
2475
2476         ret = bt_ctf_stream_append_event(stream, event);
2477         if (ret) {
2478                 fail("Failed to append event to stream");
2479                 goto end;
2480         }
2481
2482         ret = bt_ctf_stream_flush(stream);
2483         if (ret) {
2484                 fail("Failed to flush custom_event_header stream");
2485         }
2486 end:
2487         bt_put(stream);
2488         bt_put(stream_class);
2489         bt_put(event_class);
2490         bt_put(event);
2491         bt_put(integer);
2492         bt_put(sequence);
2493         bt_put(event_header);
2494         bt_put(packet_header);
2495         bt_put(sequence_type);
2496         bt_put(integer_type);
2497         bt_put(event_header_type);
2498 }
2499
2500 static
2501 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2502                 struct bt_ctf_clock *clock)
2503 {
2504         int ret = 0;
2505         struct bt_ctf_stream_class *stream_class = NULL;
2506         struct bt_ctf_stream *stream = NULL,
2507                 *ret_stream = NULL;
2508         struct bt_ctf_event_class *event_class = NULL;
2509         struct bt_ctf_event *event = NULL;
2510         struct bt_ctf_field_type *integer_type = NULL;
2511         struct bt_ctf_field *integer = NULL;
2512
2513         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2514         if (!stream_class) {
2515                 diag("Failed to create stream class");
2516                 ret = -1;
2517                 goto end;
2518         }
2519
2520         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2521         if (ret) {
2522                 diag("Failed to set stream class clock");
2523                 goto end;
2524         }
2525
2526         event_class = bt_ctf_event_class_create("some_event_class_name");
2527         integer_type = bt_ctf_field_type_integer_create(32);
2528         if (!integer_type) {
2529                 diag("Failed to create integer field type");
2530                 ret = -1;
2531                 goto end;
2532         }
2533
2534         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2535                 "integer_field");
2536         if (ret) {
2537                 diag("Failed to add field to event class");
2538                 goto end;
2539         }
2540
2541         ret = bt_ctf_stream_class_add_event_class(stream_class,
2542                 event_class);
2543         if (ret) {
2544                 diag("Failed to add event class to stream class");
2545         }
2546
2547         event = bt_ctf_event_create(event_class);
2548         if (!event) {
2549                 diag("Failed to create event");
2550                 ret = -1;
2551                 goto end;
2552         }
2553
2554         integer = bt_ctf_event_get_payload_by_index(event, 0);
2555         if (!integer) {
2556                 diag("Failed to get integer field payload from event");
2557                 ret = -1;
2558                 goto end;
2559         }
2560
2561         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2562         if (ret) {
2563                 diag("Failed to set integer field value");
2564                 goto end;
2565         }
2566
2567         stream = bt_ctf_writer_create_stream(writer, stream_class);
2568         if (!stream) {
2569                 diag("Failed to create writer stream");
2570                 ret = -1;
2571                 goto end;
2572         }
2573
2574         ok(bt_ctf_event_get_stream(NULL) == NULL,
2575                 "bt_ctf_event_get_stream handles NULL correctly");
2576         ok(bt_ctf_event_get_stream(event) == NULL,
2577                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2578
2579         ret = bt_ctf_stream_append_event(stream, event);
2580         if (ret) {
2581                 diag("Failed to append event to stream");
2582                 goto end;
2583         }
2584
2585         ret_stream = bt_ctf_event_get_stream(event);
2586         ok(ret_stream == stream,
2587                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2588 end:
2589         ok(ret == 0,
2590                 "Create an event before instanciating its associated stream");
2591         bt_put(stream);
2592         bt_put(ret_stream);
2593         bt_put(stream_class);
2594         bt_put(event_class);
2595         bt_put(event);
2596         bt_put(integer_type);
2597         bt_put(integer);
2598 }
2599
2600 static
2601 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2602 {
2603         struct bt_ctf_event_class *event_class;
2604
2605         event_class = bt_ctf_event_class_create("Simple Event");
2606         assert(event_class);
2607         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2608                 "two event classes with the same name cannot cohabit within the same stream class");
2609         bt_put(event_class);
2610
2611         event_class = bt_ctf_event_class_create("different name, ok");
2612         assert(event_class);
2613         assert(!bt_ctf_event_class_set_id(event_class, 11));
2614         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2615                 "two event classes with the same ID cannot cohabit within the same stream class");
2616         bt_put(event_class);
2617 }
2618
2619 static
2620 struct bt_ctf_event_class *create_minimal_event_class(void)
2621 {
2622         struct bt_ctf_event_class *ec = NULL;
2623         struct bt_ctf_field_type *int_ft = NULL;
2624         int ret;
2625
2626         int_ft = bt_ctf_field_type_integer_create(23);
2627         assert(int_ft);
2628         ec = bt_ctf_event_class_create("minimal");
2629         assert(ec);
2630         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2631         assert(!ret);
2632         BT_PUT(int_ft);
2633
2634         return ec;
2635 }
2636
2637 static
2638 void test_create_writer_vs_non_writer_mode(void)
2639 {
2640         int ret;
2641         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2642         const char *writer_stream_name = "writer stream instance";
2643         struct bt_ctf_writer *writer = NULL;
2644         struct bt_ctf_trace *writer_trace = NULL;
2645         struct bt_ctf_stream_class *writer_sc = NULL;
2646         struct bt_ctf_stream *writer_stream = NULL;
2647         struct bt_ctf_stream *writer_stream2 = NULL;
2648         struct bt_ctf_stream *packet_stream = NULL;
2649         struct bt_ctf_trace *non_writer_trace = NULL;
2650         struct bt_ctf_stream_class *non_writer_sc = NULL;
2651         struct bt_ctf_stream *non_writer_stream = NULL;
2652         struct bt_ctf_stream *non_writer_stream2 = NULL;
2653         struct bt_ctf_event_class *writer_ec = NULL;
2654         struct bt_ctf_event_class *non_writer_ec = NULL;
2655         struct bt_ctf_event *event = NULL;
2656         struct bt_ctf_event *event2 = NULL;
2657         struct bt_ctf_field_type *empty_struct_ft = NULL;
2658         struct bt_ctf_field *int_field = NULL;
2659         struct bt_ctf_clock *writer_clock = NULL;
2660         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2661         struct bt_ctf_packet *packet = NULL;
2662         struct bt_ctf_packet *packet2 = NULL;
2663
2664         if (!bt_mkdtemp(trace_path)) {
2665                 perror("# perror");
2666         }
2667
2668         /* Create empty structure field type (event header) */
2669         empty_struct_ft = bt_ctf_field_type_structure_create();
2670         assert(empty_struct_ft);
2671
2672         /* Create writer, writer stream class, stream, and clock */
2673         writer = bt_ctf_writer_create(trace_path);
2674         assert(writer);
2675         writer_trace = bt_ctf_writer_get_trace(writer);
2676         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2677         writer_sc = bt_ctf_stream_class_create("writer_sc");
2678         assert(writer_sc);
2679         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2680                 empty_struct_ft);
2681         assert(!ret);
2682         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2683         assert(!ret);
2684         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2685         assert(writer_stream);
2686         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2687                 "bt_ctf_stream_get_name() returns the stream's name");
2688         writer_clock = bt_ctf_clock_create("writer_clock");
2689         assert(writer_clock);
2690         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2691         assert(!ret);
2692
2693         /* Create non-writer trace, stream class, stream, and clock */
2694         non_writer_trace = bt_ctf_trace_create();
2695         assert(non_writer_trace);
2696         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2697         assert(non_writer_sc);
2698         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2699                 empty_struct_ft);
2700         assert(!ret);
2701         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2702         assert(!ret);
2703         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2704         assert(non_writer_stream);
2705         non_writer_clock_class =
2706                 bt_ctf_clock_class_create("non_writer_clock_class");
2707         assert(non_writer_clock_class);
2708         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2709                 non_writer_clock_class);
2710         assert(!ret);
2711
2712         /* Create event class and event */
2713         writer_ec = create_minimal_event_class();
2714         assert(writer_ec);
2715         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2716         assert(!ret);
2717         event = bt_ctf_event_create(writer_ec);
2718         assert(event);
2719         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2720         assert(int_field);
2721         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2722
2723         /*
2724          * Verify non-writer stream: it should be impossible to append
2725          * an event to it.
2726          */
2727         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2728                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2729
2730         /*
2731          * Verify writer stream: it should be possible to append an
2732          * event to it.
2733          */
2734         ok(!bt_ctf_stream_append_event(writer_stream, event),
2735                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2736
2737         /*
2738          * It should be possible to create a packet from a non-writer
2739          * stream, but not from a writer stream.
2740          */
2741         packet = bt_ctf_packet_create(writer_stream);
2742         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2743         packet = bt_ctf_packet_create(non_writer_stream);
2744         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2745         packet_stream = bt_ctf_packet_get_stream(packet);
2746         ok(packet_stream == non_writer_stream,
2747                 "bt_ctf_packet_get_stream() returns the correct stream");
2748
2749         /*
2750          * It should not be possible to append an event associated to
2751          * a stream to a different stream.
2752          */
2753         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2754         assert(writer_stream2);
2755         ok(bt_ctf_stream_append_event(writer_stream2, event),
2756                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2757
2758         /*
2759          * It should not be possible to set the packet of an event
2760          * associated to a given stream to a packet associated with
2761          * a different stream.
2762          */
2763         ok(bt_ctf_event_set_packet(event, packet),
2764                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2765
2766         /*
2767          * It should be possible to set the packet of a fresh event, as
2768          * long as the originating stream classes are the same.
2769          */
2770         event2 = bt_ctf_event_create(writer_ec);
2771         assert(event2);
2772         ok(bt_ctf_event_set_packet(event2, packet),
2773                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2774         non_writer_ec = create_minimal_event_class();
2775         assert(non_writer_ec);
2776         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2777         assert(!ret);
2778         BT_PUT(event2);
2779         event2 = bt_ctf_event_create(non_writer_ec);
2780         assert(event2);
2781         ok(!bt_ctf_event_set_packet(event2, packet),
2782                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2783
2784         /*
2785          * It should be possible to set a packet created from the same
2786          * stream to an event with an existing packet.
2787          */
2788         packet2 = bt_ctf_packet_create(non_writer_stream);
2789         assert(packet2);
2790         ok(!bt_ctf_event_set_packet(event2, packet2),
2791                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2792         BT_PUT(packet2);
2793
2794         /*
2795          * It should not be possible to set a packet created from a
2796          * different stream to an event with an existing packet.
2797          */
2798         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2799         assert(non_writer_stream2);
2800         packet2 = bt_ctf_packet_create(non_writer_stream);
2801         assert(packet2);
2802         ok(!bt_ctf_event_set_packet(event2, packet2),
2803                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2804
2805         bt_put(writer);
2806         bt_put(writer_trace);
2807         bt_put(writer_sc);
2808         bt_put(writer_stream);
2809         bt_put(writer_stream2);
2810         bt_put(non_writer_trace);
2811         bt_put(non_writer_sc);
2812         bt_put(non_writer_stream);
2813         bt_put(non_writer_stream2);
2814         bt_put(packet_stream);
2815         bt_put(writer_ec);
2816         bt_put(non_writer_ec);
2817         bt_put(event);
2818         bt_put(event2);
2819         bt_put(int_field);
2820         bt_put(empty_struct_ft);
2821         bt_put(writer_clock);
2822         bt_put(non_writer_clock_class);
2823         bt_put(packet);
2824         bt_put(packet2);
2825         recursive_rmdir(trace_path);
2826 }
2827
2828 static
2829 void test_clock_utils(void)
2830 {
2831         int ret;
2832         struct bt_ctf_clock *clock = NULL;
2833
2834         clock = bt_ctf_clock_create("water");
2835         assert(clock);
2836         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2837         assert(!ret);
2838         ret = bt_ctf_clock_set_offset(clock, 1000);
2839         assert(!ret);
2840         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2841         assert(!ret);
2842         ret = bt_ctf_clock_set_frequency(clock, 1534);
2843         assert(!ret);
2844
2845         BT_PUT(clock);
2846 }
2847
2848 void test_set_clock_non_writer_stream_class(void)
2849 {
2850         struct bt_ctf_clock *clock;
2851         struct bt_ctf_trace *trace;
2852         struct bt_ctf_stream_class *sc;
2853         int ret;
2854
2855         clock = bt_ctf_clock_create("the_clock");
2856         assert(clock);
2857
2858         trace = bt_ctf_trace_create();
2859         assert(trace);
2860
2861         sc = bt_ctf_stream_class_create(NULL);
2862         assert(sc);
2863
2864         ret = bt_ctf_stream_class_set_clock(sc, clock);
2865         assert(ret == 0);
2866
2867         ret = bt_ctf_trace_add_stream_class(trace, sc);
2868         ok(ret < 0,
2869                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2870
2871         bt_put(clock);
2872         bt_put(trace);
2873         bt_put(sc);
2874 }
2875
2876 int main(int argc, char **argv)
2877 {
2878         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2879         char metadata_path[sizeof(trace_path) + 9];
2880         const char *clock_name = "test_clock";
2881         const char *clock_description = "This is a test clock";
2882         const char *returned_clock_name;
2883         const char *returned_clock_description;
2884         const uint64_t frequency = 1123456789;
2885         const int64_t offset_s = 1351530929945824323;
2886         const int64_t offset = 1234567;
2887         int64_t get_offset_s,
2888                 get_offset;
2889         const uint64_t precision = 10;
2890         const int is_absolute = 0xFF;
2891         char *metadata_string;
2892         struct bt_ctf_writer *writer;
2893         struct utsname name;
2894         char hostname[BABELTRACE_HOST_NAME_MAX];
2895         struct bt_ctf_clock *clock, *ret_clock;
2896         struct bt_ctf_clock_class *ret_clock_class;
2897         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2898         struct bt_ctf_stream *stream1;
2899         const char *ret_string;
2900         const unsigned char *ret_uuid;
2901         unsigned char tmp_uuid[16] = { 0 };
2902         struct bt_ctf_field_type *packet_context_type,
2903                 *packet_context_field_type,
2904                 *packet_header_type,
2905                 *packet_header_field_type,
2906                 *integer_type,
2907                 *stream_event_context_type,
2908                 *ret_field_type,
2909                 *event_header_field_type;
2910         struct bt_ctf_field *packet_header, *packet_header_field;
2911         struct bt_ctf_trace *trace;
2912         int ret;
2913         int64_t ret_int64_t;
2914         struct bt_value *obj;
2915
2916         if (argc < 3) {
2917                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2918                 return -1;
2919         }
2920
2921         plan_tests(NR_TESTS);
2922
2923         if (!bt_mkdtemp(trace_path)) {
2924                 perror("# perror");
2925         }
2926
2927         strcpy(metadata_path, trace_path);
2928         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2929
2930         writer = bt_ctf_writer_create(trace_path);
2931         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2932
2933         ok(!bt_ctf_writer_get_trace(NULL),
2934                 "bt_ctf_writer_get_trace correctly handles NULL");
2935         trace = bt_ctf_writer_get_trace(writer);
2936         ok(trace,
2937                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2938         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2939                 "Set a trace's byte order to big endian");
2940         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2941                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2942
2943         /* Add environment context to the trace */
2944         ret = gethostname(hostname, sizeof(hostname));
2945         if (ret < 0) {
2946                 return ret;
2947         }
2948         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2949                 "Add host (%s) environment field to writer instance",
2950                 hostname);
2951         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2952                 "test_value"),
2953                 "bt_ctf_writer_add_environment_field error with NULL writer");
2954         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2955                 "test_value"),
2956                 "bt_ctf_writer_add_environment_field error with NULL field name");
2957         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2958                 NULL),
2959                 "bt_ctf_writer_add_environment_field error with NULL field value");
2960
2961         /* Test bt_ctf_trace_set_environment_field with an integer object */
2962         obj = bt_value_integer_create_init(23);
2963         assert(obj);
2964         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2965                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2966         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2967                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2968         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2969                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2970         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2971                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2972         BT_PUT(obj);
2973
2974         /* Test bt_ctf_trace_set_environment_field with a string object */
2975         obj = bt_value_string_create_init("the value");
2976         assert(obj);
2977         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2978                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2979         BT_PUT(obj);
2980
2981         /* Test bt_ctf_trace_set_environment_field_integer */
2982         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2983                 -194875),
2984                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2985         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2986                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2987         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2988                 -164973),
2989                 "bt_ctf_trace_set_environment_field_integer succeeds");
2990
2991         /* Test bt_ctf_trace_set_environment_field_string */
2992         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2993                 "yeah"),
2994                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2995         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2996                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2997         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2998                 NULL),
2999                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
3000         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
3001                 "oh yeah"),
3002                 "bt_ctf_trace_set_environment_field_string succeeds");
3003
3004         /* Test bt_ctf_trace_get_environment_field_count */
3005         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
3006                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
3007         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3008                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
3009
3010         /* Test bt_ctf_trace_get_environment_field_name */
3011         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
3012                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
3013         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
3014                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
3015         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
3016                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
3017         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
3018         ok(ret_string && !strcmp(ret_string, "host"),
3019                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3020         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
3021         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
3022                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3023         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
3024         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
3025                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3026         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
3027         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3028                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3029         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
3030         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3031                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3032
3033         /* Test bt_ctf_trace_get_environment_field_value */
3034         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
3035                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3036         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
3037                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3038         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
3039                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3040         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
3041         ret = bt_value_integer_get(obj, &ret_int64_t);
3042         ok(!ret && ret_int64_t == 23,
3043                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3044         BT_PUT(obj);
3045         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
3046         ret = bt_value_string_get(obj, &ret_string);
3047         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3048                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3049         BT_PUT(obj);
3050
3051         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3052         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3053                 "test_env_str"),
3054                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3055         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3056                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3057         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3058                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3059         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3060                 "test_env_str");
3061         ret = bt_value_string_get(obj, &ret_string);
3062         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3063                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3064         BT_PUT(obj);
3065
3066         /* Test environment field replacement */
3067         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3068                 654321),
3069                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3070         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3071                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3072         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
3073         ret = bt_value_integer_get(obj, &ret_int64_t);
3074         ok(!ret && ret_int64_t == 654321,
3075                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3076         BT_PUT(obj);
3077
3078         /* On Solaris, uname() can return any positive value on success */
3079         if (uname(&name) < 0) {
3080                 perror("uname");
3081                 return -1;
3082         }
3083
3084         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3085                 == 0, "Add sysname (%s) environment field to writer instance",
3086                 name.sysname);
3087         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3088                 name.nodename) == 0,
3089                 "Add nodename (%s) environment field to writer instance",
3090                 name.nodename);
3091         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3092                 == 0, "Add release (%s) environment field to writer instance",
3093                 name.release);
3094         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3095                 == 0, "Add version (%s) environment field to writer instance",
3096                 name.version);
3097         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3098                 == 0, "Add machine (%s) environment field to writer istance",
3099                 name.machine);
3100
3101         /* Define a clock and add it to the trace */
3102         ok(bt_ctf_clock_create("signed") == NULL,
3103                 "Illegal clock name rejected");
3104         clock = bt_ctf_clock_create(clock_name);
3105         ok(clock, "Clock created sucessfully");
3106         returned_clock_name = bt_ctf_clock_get_name(clock);
3107         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3108         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3109                 "Returned clock name is valid");
3110
3111         returned_clock_description = bt_ctf_clock_get_description(clock);
3112         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3113         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3114                 "Clock description set successfully");
3115
3116         returned_clock_description = bt_ctf_clock_get_description(clock);
3117         ok(returned_clock_description,
3118                 "bt_ctf_clock_get_description returns a description.");
3119         ok(returned_clock_description ?
3120                 !strcmp(returned_clock_description, clock_description) : 0,
3121                 "Returned clock description is valid");
3122
3123         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3124                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3125         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3126                 "Set clock frequency");
3127         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3128                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3129
3130         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3131                 "bt_ctf_clock_get_offset_s succeeds");
3132         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3133                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3134         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3135                 "Set clock offset (seconds)");
3136         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3137                 "bt_ctf_clock_get_offset_s succeeds");
3138         ok(get_offset_s == offset_s,
3139                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3140
3141         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3142                 "bt_ctf_clock_get_offset succeeds");
3143         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3144                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3145         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3146         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3147                 "bt_ctf_clock_get_offset succeeds");
3148         ok(get_offset == offset,
3149                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3150
3151         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3152                 "bt_ctf_clock_get_precision returns the correct default precision");
3153         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3154                 "Set clock precision");
3155         ok(bt_ctf_clock_get_precision(clock) == precision,
3156                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3157
3158         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3159                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3160         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3161                 "Set clock absolute property");
3162         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3163                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3164
3165         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3166                 "Set clock time");
3167
3168         ok(!bt_ctf_clock_get_name(NULL),
3169                 "bt_ctf_clock_get_name correctly handles NULL");
3170         ok(!bt_ctf_clock_get_description(NULL),
3171                 "bt_ctf_clock_get_description correctly handles NULL");
3172         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3173                 "bt_ctf_clock_get_frequency correctly handles NULL");
3174         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3175                 "bt_ctf_clock_get_precision correctly handles NULL");
3176         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3177                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3178         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3179                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3180         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3181                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3182         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3183                 "bt_ctf_clock_get_offset correctly handles NULL output");
3184         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3185                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3186
3187         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3188                 "bt_ctf_clock_set_description correctly handles NULL clock");
3189         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3190                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3191         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3192                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3193         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3194                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3195         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3196                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3197         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3198                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3199         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3200                 "bt_ctf_clock_set_time correctly handles NULL clock");
3201         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3202                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3203         ret_uuid = bt_ctf_clock_get_uuid(clock);
3204         ok(ret_uuid,
3205                 "bt_ctf_clock_get_uuid returns a UUID");
3206         if (ret_uuid) {
3207                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3208                 /* Slightly modify UUID */
3209                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3210         }
3211
3212         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3213                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3214         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3215                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3216         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3217                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3218         ret_uuid = bt_ctf_clock_get_uuid(clock);
3219         ok(ret_uuid,
3220                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3221         ok(uuid_match(ret_uuid, tmp_uuid),
3222                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3223
3224         /* Define a stream class */
3225         stream_class = bt_ctf_stream_class_create("test_stream");
3226
3227         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3228                 "bt_ctf_stream_class_get_name handles NULL correctly");
3229         ret_string = bt_ctf_stream_class_get_name(stream_class);
3230         ok(ret_string && !strcmp(ret_string, "test_stream"),
3231                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3232
3233         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3234                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3235         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3236                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3237
3238         ok(stream_class, "Create stream class");
3239         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3240                 "Set a stream class' clock");
3241         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3242         ok(ret_clock == clock,
3243                 "bt_ctf_stream_class_get_clock returns a correct clock");
3244         bt_put(ret_clock);
3245
3246         /* Test the event fields and event types APIs */
3247         type_field_tests();
3248
3249         /* Test fields copying */
3250         field_copy_tests();
3251
3252         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3253                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3254         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3255                 "bt_ctf_stream_class_get_id handles NULL correctly");
3256         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3257                 "bt_ctf_stream_class_set_id handles NULL correctly");
3258         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3259                 "Set an stream class' id");
3260         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3261                 "bt_ctf_stream_class_get_id returns the correct value");
3262
3263         /* Validate default event header fields */
3264         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3265                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3266         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3267                 stream_class);
3268         ok(ret_field_type,
3269                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3270         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3271                 "Default event header type is a structure");
3272         event_header_field_type =
3273                 bt_ctf_field_type_structure_get_field_type_by_name(
3274                 ret_field_type, "id");
3275         ok(event_header_field_type,
3276                 "Default event header type contains an \"id\" field");
3277         ok(bt_ctf_field_type_get_type_id(
3278                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3279                 "Default event header \"id\" field is an integer");
3280         bt_put(event_header_field_type);
3281         event_header_field_type =
3282                 bt_ctf_field_type_structure_get_field_type_by_name(
3283                 ret_field_type, "timestamp");
3284         ok(event_header_field_type,
3285                 "Default event header type contains a \"timestamp\" field");
3286         ok(bt_ctf_field_type_get_type_id(
3287                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3288                 "Default event header \"timestamp\" field is an integer");
3289         bt_put(event_header_field_type);
3290         bt_put(ret_field_type);
3291
3292         /* Add a custom trace packet header field */
3293         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3294                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3295         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3296         ok(packet_header_type,
3297                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3298         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3299                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3300         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3301                 packet_header_type, "magic");
3302         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3303         bt_put(ret_field_type);
3304         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3305                 packet_header_type, "uuid");
3306         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3307         bt_put(ret_field_type);
3308         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3309                 packet_header_type, "stream_id");
3310         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3311         bt_put(ret_field_type);
3312
3313         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3314         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3315                 packet_header_field_type, "custom_trace_packet_header_field"),
3316                 "Added a custom trace packet header field successfully");
3317
3318         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3319                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3320         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3321                 "Set a trace packet_header_type successfully");
3322
3323         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3324                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3325
3326         /* Add a custom field to the stream class' packet context */
3327         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3328         ok(packet_context_type,
3329                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3330         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3331                 "Packet context is a structure");
3332
3333         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3334                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3335
3336         integer_type = bt_ctf_field_type_integer_create(32);
3337         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3338                 integer_type) < 0,
3339                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3340         /* Create a "uint5_t" equivalent custom packet context field */
3341         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3342
3343         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3344                 packet_context_field_type, "custom_packet_context_field");
3345         ok(ret == 0, "Packet context field added successfully");
3346
3347         /* Define a stream event context containing a my_integer field. */
3348         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3349                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3350         ok(bt_ctf_stream_class_get_event_context_type(
3351                 stream_class) == NULL,
3352                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3353         stream_event_context_type = bt_ctf_field_type_structure_create();
3354         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3355                 integer_type, "common_event_context");
3356
3357         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3358                 stream_event_context_type) < 0,
3359                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3360         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3361                 integer_type) < 0,
3362                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3363
3364         ok(bt_ctf_stream_class_set_event_context_type(
3365                 stream_class, stream_event_context_type) == 0,
3366                 "Set a new stream event context type");
3367         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3368                 stream_class);
3369         ok(ret_field_type == stream_event_context_type,
3370                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3371         bt_put(ret_field_type);
3372
3373         /* Instantiate a stream and append events */
3374         ret = bt_ctf_writer_add_clock(writer, clock);
3375         assert(ret == 0);
3376         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3377         ok(stream1, "Instanciate a stream class from writer");
3378
3379         /*
3380          * Creating a stream through a writer adds the given stream
3381          * class to the writer's trace, thus registering the stream
3382          * class's clock to the trace.
3383          */
3384         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3385                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3386         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3387                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3388         ok(!bt_ctf_trace_get_clock_class(NULL, 0),
3389                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3390         ok(!bt_ctf_trace_get_clock_class(trace, -1),
3391                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3392         ok(!bt_ctf_trace_get_clock_class(trace, 1),
3393                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3394         ret_clock_class = bt_ctf_trace_get_clock_class(trace, 0);
3395         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3396                 bt_ctf_clock_get_name(clock)) == 0,
3397                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3398         bt_put(ret_clock_class);
3399         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3400                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3401         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3402                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3403         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3404                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3405         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3406         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3407                 bt_ctf_clock_get_name(clock)) == 0,
3408                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3409         bt_put(ret_clock_class);
3410         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3411                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3412
3413         ok(bt_ctf_stream_get_class(NULL) == NULL,
3414                 "bt_ctf_stream_get_class correctly handles NULL");
3415         ret_stream_class = bt_ctf_stream_get_class(stream1);
3416         ok(ret_stream_class,
3417                 "bt_ctf_stream_get_class returns a stream class");
3418         ok(ret_stream_class == stream_class,
3419                 "Returned stream class is of the correct type");
3420
3421         /*
3422          * Packet header, packet context, event header, and stream
3423          * event context types were copied for the resolving
3424          * process
3425          */
3426         BT_PUT(packet_header_type);
3427         BT_PUT(packet_context_type);
3428         BT_PUT(stream_event_context_type);
3429         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3430         assert(packet_header_type);
3431         packet_context_type =
3432                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3433         assert(packet_context_type);
3434         stream_event_context_type =
3435                 bt_ctf_stream_class_get_event_context_type(stream_class);
3436         assert(stream_event_context_type);
3437
3438         /*
3439          * Try to modify the packet context type after a stream has been
3440          * created.
3441          */
3442         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3443                 packet_header_field_type, "should_fail");
3444         ok(ret < 0,
3445                 "Trace packet header type can't be modified once a stream has been instanciated");
3446
3447         /*
3448          * Try to modify the packet context type after a stream has been
3449          * created.
3450          */
3451         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3452                 packet_context_field_type, "should_fail");
3453         ok(ret < 0,
3454                 "Packet context type can't be modified once a stream has been instanciated");
3455
3456         /*
3457          * Try to modify the stream event context type after a stream has been
3458          * created.
3459          */
3460         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3461                 integer_type, "should_fail");
3462         ok(ret < 0,
3463                 "Stream event context type can't be modified once a stream has been instanciated");
3464
3465         /* Should fail after instanciating a stream (frozen) */
3466         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3467                 "Changes to a stream class that was already instantiated fail");
3468
3469         /* Populate the custom packet header field only once for all tests */
3470         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3471                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3472         packet_header = bt_ctf_stream_get_packet_header(stream1);
3473         ok(packet_header,
3474                 "bt_ctf_stream_get_packet_header returns a packet header");
3475         ret_field_type = bt_ctf_field_get_type(packet_header);
3476         ok(ret_field_type == packet_header_type,
3477                 "Stream returns a packet header of the appropriate type");
3478         bt_put(ret_field_type);
3479         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3480                 "custom_trace_packet_header_field");
3481         ok(packet_header_field,
3482                 "Packet header structure contains a custom field with the appropriate name");
3483         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3484         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3485                 "Custom packet header field is of the expected type");
3486         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3487                 54321), "Set custom packet header value successfully");
3488         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3489                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3490         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3491                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3492         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3493                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3494         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3495                 "Successfully set a stream's packet header");
3496
3497         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3498                 "Add environment field to writer after stream creation");
3499
3500         test_clock_utils();
3501
3502         test_create_writer_vs_non_writer_mode();
3503
3504         test_set_clock_non_writer_stream_class();
3505
3506         test_instanciate_event_before_stream(writer, clock);
3507
3508         append_simple_event(stream_class, stream1, clock);
3509
3510         packet_resize_test(stream_class, stream1, clock);
3511
3512         append_complex_event(stream_class, stream1, clock);
3513
3514         append_existing_event_class(stream_class);
3515
3516         test_empty_stream(writer);
3517
3518         test_custom_event_header_stream(writer, clock);
3519
3520         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3521         ok(metadata_string, "Get metadata string");
3522
3523         bt_ctf_writer_flush_metadata(writer);
3524         validate_metadata(argv[1], metadata_path);
3525         validate_trace(argv[2], trace_path);
3526
3527         bt_put(clock);
3528         bt_put(ret_stream_class);
3529         bt_put(writer);
3530         bt_put(stream1);
3531         bt_put(packet_context_type);
3532         bt_put(packet_context_field_type);
3533         bt_put(integer_type);
3534         bt_put(stream_event_context_type);
3535         bt_put(ret_field_type);
3536         bt_put(packet_header_type);
3537         bt_put(packet_header_field_type);
3538         bt_put(packet_header);
3539         bt_put(packet_header_field);
3540         bt_put(trace);
3541         free(metadata_string);
3542         bt_put(stream_class);
3543
3544         recursive_rmdir(trace_path);
3545         return 0;
3546 }