tests/lib/test_ctf_writer.c

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