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 #define _GNU_SOURCE
  23 #include <babeltrace/ctf-writer/writer.h>
  24 #include <babeltrace/ctf-writer/clock.h>
  25 #include <babeltrace/ctf-writer/stream.h>
  26 #include <babeltrace/ctf-writer/event.h>
  27 #include <babeltrace/ctf-writer/event-types.h>
  28 #include <babeltrace/ctf-writer/event-fields.h>
  29 #include <babeltrace/ctf-ir/stream-class.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/objects.h>
  32 #include <unistd.h>
  33 #include <stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <string.h>
  38 #include <assert.h>
  39 #include <sys/wait.h>
  40 #include <fcntl.h>
  41 #include <dirent.h>
  42 #include "tap/tap.h"
  43 #include <math.h>
  44 #include <float.h>
  45
  46 #define METADATA_LINE_SIZE 512
  47 #define SEQUENCE_TEST_LENGTH 10
  48 #define ARRAY_TEST_LENGTH 5
  49 #define PACKET_RESIZE_TEST_LENGTH 100000
  50
  51 #define DEFAULT_CLOCK_FREQ 1000000000
  52 #define DEFAULT_CLOCK_PRECISION 1
  53 #define DEFAULT_CLOCK_OFFSET 0
  54 #define DEFAULT_CLOCK_OFFSET_S 0
  55 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  56 #define DEFAULT_CLOCK_TIME 0
  57
  58 static uint64_t current_time = 42;
  59
  60 /* Return 1 if uuids match, zero if different. */
  61 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  62 {
  63         int ret = 0;
  64         int i;
  65
  66         if (!uuid_a || !uuid_b) {
  67                 goto end;
  68         }
  69
  70         for (i = 0; i < 16; i++) {
  71                 if (uuid_a[i] != uuid_b[i]) {
  72                         goto end;
  73                 }
  74         }
  75
  76         ret = 1;
  77 end:
  78         return ret;
  79 }
  80
  81 void validate_metadata(char *parser_path, char *metadata_path)
  82 {
  83         int ret = 0;
  84         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  85         int parser_output_fd = -1, metadata_fd = -1;
  86
  87         if (!metadata_path) {
  88                 ret = -1;
  89                 goto result;
  90         }
  91
  92         parser_output_fd = mkstemp(parser_output_path);
  93         metadata_fd = open(metadata_path, O_RDONLY);
  94
  95         unlink(parser_output_path);
  96
  97         if (parser_output_fd == -1 || metadata_fd == -1) {
  98                 diag("Failed create temporary files for metadata parsing.");
  99                 ret = -1;
 100                 goto result;
 101         }
 102
 103         pid_t pid = fork();
 104         if (pid) {
 105                 int status = 0;
 106                 waitpid(pid, &status, 0);
 107                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 108         } else {
 109                 /* ctf-parser-test expects a metadata string on stdin. */
 110                 ret = dup2(metadata_fd, STDIN_FILENO);
 111                 if (ret < 0) {
 112                         perror("# dup2 metadata_fd to STDIN");
 113                         goto result;
 114                 }
 115
 116                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 117                 if (ret < 0) {
 118                         perror("# dup2 parser_output_fd to STDOUT");
 119                         goto result;
 120                 }
 121
 122                 ret = dup2(parser_output_fd, STDERR_FILENO);
 123                 if (ret < 0) {
 124                         perror("# dup2 parser_output_fd to STDERR");
 125                         goto result;
 126                 }
 127
 128                 execl(parser_path, "ctf-parser-test", NULL);
 129                 perror("# Could not launch the ctf metadata parser process");
 130                 exit(-1);
 131         }
 132 result:
 133         ok(ret == 0, "Metadata string is valid");
 134
 135         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 136                 char *line;
 137                 size_t len = METADATA_LINE_SIZE;
 138                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 139
 140                 metadata_fp = fdopen(metadata_fd, "r");
 141                 if (!metadata_fp) {
 142                         perror("fdopen on metadata_fd");
 143                         goto close_fp;
 144                 }
 145                 metadata_fd = -1;
 146
 147                 parser_output_fp = fdopen(parser_output_fd, "r");
 148                 if (!parser_output_fp) {
 149                         perror("fdopen on parser_output_fd");
 150                         goto close_fp;
 151                 }
 152                 parser_output_fd = -1;
 153
 154                 line = malloc(len);
 155                 if (!line) {
 156                         diag("malloc failure");
 157                 }
 158
 159                 rewind(metadata_fp);
 160
 161                 /* Output the metadata and parser output as diagnostic */
 162                 while (getline(&line, &len, metadata_fp) > 0) {
 163                         fprintf(stderr, "# %s", line);
 164                 }
 165
 166                 rewind(parser_output_fp);
 167                 while (getline(&line, &len, parser_output_fp) > 0) {
 168                         fprintf(stderr, "# %s", line);
 169                 }
 170
 171                 free(line);
 172 close_fp:
 173                 if (metadata_fp) {
 174                         if (fclose(metadata_fp)) {
 175                                 diag("fclose failure");
 176                         }
 177                 }
 178                 if (parser_output_fp) {
 179                         if (fclose(parser_output_fp)) {
 180                                 diag("fclose failure");
 181                         }
 182                 }
 183         }
 184
 185         if (parser_output_fd >= 0) {
 186                 if (close(parser_output_fd)) {
 187                         diag("close error");
 188                 }
 189         }
 190         if (metadata_fd >= 0) {
 191                 if (close(metadata_fd)) {
 192                         diag("close error");
 193                 }
 194         }
 195 }
 196
 197 void validate_trace(char *parser_path, char *trace_path)
 198 {
 199         int ret = 0;
 200         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 201         int babeltrace_output_fd = -1;
 202
 203         if (!trace_path) {
 204                 ret = -1;
 205                 goto result;
 206         }
 207
 208         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 209         unlink(babeltrace_output_path);
 210
 211         if (babeltrace_output_fd == -1) {
 212                 diag("Failed to create a temporary file for trace parsing.");
 213                 ret = -1;
 214                 goto result;
 215         }
 216
 217         pid_t pid = fork();
 218         if (pid) {
 219                 int status = 0;
 220                 waitpid(pid, &status, 0);
 221                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 222         } else {
 223                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 224                 if (ret < 0) {
 225                         perror("# dup2 babeltrace_output_fd to STDOUT");
 226                         goto result;
 227                 }
 228
 229                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 230                 if (ret < 0) {
 231                         perror("# dup2 babeltrace_output_fd to STDERR");
 232                         goto result;
 233                 }
 234
 235                 execl(parser_path, "babeltrace", trace_path, NULL);
 236                 perror("# Could not launch the babeltrace process");
 237                 exit(-1);
 238         }
 239 result:
 240         ok(ret == 0, "Babeltrace could read the resulting trace");
 241
 242         if (ret && babeltrace_output_fd >= 0) {
 243                 char *line;
 244                 size_t len = METADATA_LINE_SIZE;
 245                 FILE *babeltrace_output_fp = NULL;
 246
 247                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 248                 if (!babeltrace_output_fp) {
 249                         perror("fdopen on babeltrace_output_fd");
 250                         goto close_fp;
 251                 }
 252                 babeltrace_output_fd = -1;
 253
 254                 line = malloc(len);
 255                 if (!line) {
 256                         diag("malloc error");
 257                 }
 258                 rewind(babeltrace_output_fp);
 259                 while (getline(&line, &len, babeltrace_output_fp) > 0) {
 260                         diag("%s", line);
 261                 }
 262
 263                 free(line);
 264 close_fp:
 265                 if (babeltrace_output_fp) {
 266                         if (fclose(babeltrace_output_fp)) {
 267                                 diag("fclose error");
 268                         }
 269                 }
 270         }
 271
 272         if (babeltrace_output_fd >= 0) {
 273                 if (close(babeltrace_output_fd)) {
 274                         diag("close error");
 275                 }
 276         }
 277 }
 278
 279 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 280                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 281 {
 282         /* Create and add a simple event class */
 283         struct bt_ctf_event_class *simple_event_class =
 284                 bt_ctf_event_class_create("Simple Event");
 285         struct bt_ctf_field_type *uint_12_type =
 286                 bt_ctf_field_type_integer_create(12);
 287         struct bt_ctf_field_type *int_64_type =
 288                 bt_ctf_field_type_integer_create(64);
 289         struct bt_ctf_field_type *float_type =
 290                 bt_ctf_field_type_floating_point_create();
 291         struct bt_ctf_field_type *enum_type;
 292         struct bt_ctf_field_type *enum_type_unsigned =
 293                 bt_ctf_field_type_enumeration_create(uint_12_type);
 294         struct bt_ctf_field_type *event_context_type =
 295                 bt_ctf_field_type_structure_create();
 296         struct bt_ctf_field_type *returned_type;
 297         struct bt_ctf_event *simple_event;
 298         struct bt_ctf_field *integer_field;
 299         struct bt_ctf_field *float_field;
 300         struct bt_ctf_field *enum_field;
 301         struct bt_ctf_field *enum_field_unsigned;
 302         struct bt_ctf_field *enum_container_field;
 303         const char *mapping_name_test = "truie";
 304         const double double_test_value = 3.1415;
 305         struct bt_ctf_field *enum_container_field_unsigned;
 306         const char *mapping_name_negative_test = "negative_value";
 307         const char *ret_char;
 308         double ret_double;
 309         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 310         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 311         struct bt_ctf_clock *ret_clock;
 312         struct bt_ctf_event_class *ret_event_class;
 313         struct bt_ctf_field *packet_context;
 314         struct bt_ctf_field *packet_context_field;
 315         struct bt_ctf_field *stream_event_context;
 316         struct bt_ctf_field *stream_event_context_field;
 317         struct bt_ctf_field *event_context;
 318         struct bt_ctf_field *event_context_field;
 319
 320         ok(uint_12_type, "Create an unsigned integer type");
 321
 322         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 323         ok(int_64_type, "Create a signed integer type");
 324         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 325
 326         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 327         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 328         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 329         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 330                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 331         bt_ctf_field_type_put(returned_type);
 332
 333         bt_ctf_field_type_set_alignment(float_type, 32);
 334         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 335                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 336         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 337                 "bt_ctf_field_type_get_alignment returns a correct value");
 338
 339         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 340                 "Set a floating point type's exponent digit count");
 341         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 342                 "Set a floating point type's mantissa digit count");
 343
 344         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 345                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 346         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 347                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 348         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 349                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 350         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 351                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 352
 353         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 354                 mapping_name_negative_test, -12345, 0) == 0,
 355                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 356         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 357                 "escaping; \"test\"", 1, 1) == 0,
 358                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 359         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 360                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 361                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 362         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 363                 "event clock int float", 5, 22) == 0,
 364                 "Accept enumeration mapping strings containing reserved keywords");
 365         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 366                 42, 42);
 367         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 368                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 369         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 370                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 371         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 372                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 373         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 374
 375         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 376                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 377         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 378                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 379         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 380                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 381
 382         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 383                 "enum_field") == 0, "Add signed enumeration field to event");
 384
 385         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 386                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 387                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 388         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 389                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 390                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 391         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 392                 NULL, &ret_range_end_int64_t) < 0,
 393                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 394         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 395                 &ret_range_start_int64_t, NULL) < 0,
 396                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 397         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 398                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 399                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 400         ok(!strcmp(ret_char, mapping_name_test),
 401                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 402         ok(ret_range_start_int64_t == 42,
 403                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 404         ok(ret_range_end_int64_t == 42,
 405                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 406
 407         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 408                 "escaping; \"test\"", 0, 0) == 0,
 409                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 410         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 411                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 412                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 413         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 414                 "event clock int float", 5, 22) == 0,
 415                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 416         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 417                 42, 42);
 418         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 419                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 420         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 421                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 422         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 423                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 424         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 425                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 426
 427         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 428                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 429         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 430                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 431
 432         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 433                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 434                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 435         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 436                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 437                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 438         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 439                 NULL, &ret_range_end_uint64_t) < 0,
 440                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 441         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 442                 &ret_range_start_uint64_t, NULL) < 0,
 443                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 444         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 445                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 446                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 447         ok(!strcmp(ret_char, mapping_name_test),
 448                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 449         ok(ret_range_start_uint64_t == 42,
 450                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 451         ok(ret_range_end_uint64_t == 42,
 452                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 453
 454         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 455                 "integer_field");
 456         bt_ctf_event_class_add_field(simple_event_class, float_type,
 457                 "float_field");
 458
 459         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 460
 461         /* Set an event context type which will contain a single integer*/
 462         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 463                 "event_specific_context"),
 464                 "Add event specific context field");
 465         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 466                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 467         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 468                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 469
 470         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 471                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 472         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 473                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 474         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 475                 "Set an event class' context type successfully");
 476         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 477         ok(returned_type == event_context_type,
 478                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 479         bt_ctf_field_type_put(returned_type);
 480
 481         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 482
 483         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 484                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 485         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 486                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 487         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 488                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 489         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 490                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 491         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 492         ok(ret_event_class == simple_event_class,
 493                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 494         bt_ctf_event_class_put(ret_event_class);
 495         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 496                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 497         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 498                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 499         ret_event_class =
 500                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 501         ok(ret_event_class == simple_event_class,
 502                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 503         bt_ctf_event_class_put(ret_event_class);
 504
 505         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 506                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 507         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 508                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 509         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 510                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 511         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 512         ok(ret_event_class == simple_event_class,
 513                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 514         bt_ctf_event_class_put(ret_event_class);
 515
 516         simple_event = bt_ctf_event_create(simple_event_class);
 517         ok(simple_event,
 518                 "Instantiate an event containing a single integer field");
 519
 520         ok(bt_ctf_event_get_clock(NULL) == NULL,
 521                 "bt_ctf_event_get_clock handles NULL correctly");
 522         ret_clock = bt_ctf_event_get_clock(simple_event);
 523         ok(ret_clock == clock,
 524                 "bt_ctf_event_get_clock returns a correct clock");
 525         bt_ctf_clock_put(clock);
 526
 527         integer_field = bt_ctf_field_create(uint_12_type);
 528         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 529         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 530                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 531
 532         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 533         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 534                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 535         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 536         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 537                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 538         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 539                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 540         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 541                 "bt_ctf_field_floating_point_get_value returns a double value");
 542         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 543                 "bt_ctf_field_floating_point_get_value returns a correct value");
 544
 545         enum_field = bt_ctf_field_create(enum_type);
 546         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 547         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 548         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 549         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 550         enum_container_field = bt_ctf_field_enumeration_get_container(
 551                 enum_field);
 552         ok(bt_ctf_field_signed_integer_set_value(
 553                 enum_container_field, -42) == 0,
 554                 "Set signed enumeration container value");
 555         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 556         ok(!strcmp(ret_char, mapping_name_negative_test),
 557                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 558         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 559
 560         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 561         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 562                 enum_field_unsigned);
 563         ok(bt_ctf_field_unsigned_integer_set_value(
 564                 enum_container_field_unsigned, 42) == 0,
 565                 "Set unsigned enumeration container value");
 566         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 567                 enum_field_unsigned);
 568         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 569         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 570                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 571
 572         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 573
 574         /* Populate stream event context */
 575         stream_event_context = bt_ctf_stream_get_event_context(stream);
 576         stream_event_context_field = bt_ctf_field_structure_get_field(
 577                 stream_event_context, "common_event_context");
 578         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 579
 580         /* Populate the event's context */
 581         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 582                 "bt_ctf_event_get_event_context handles NULL correctly");
 583         event_context = bt_ctf_event_get_event_context(simple_event);
 584         ok(event_context,
 585                 "bt_ctf_event_get_event_context returns a field");
 586         returned_type = bt_ctf_field_get_type(event_context);
 587         ok(returned_type == event_context_type,
 588                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 589         event_context_field = bt_ctf_field_structure_get_field(event_context,
 590                 "event_specific_context");
 591         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 592                 "Successfully set an event context's value");
 593         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 594                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 595         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 596                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 597         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 598                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 599         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 600                 "Set an event context successfully");
 601
 602         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 603                 "Append simple event to trace stream");
 604
 605         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 606                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 607         packet_context = bt_ctf_stream_get_packet_context(stream);
 608         ok(packet_context,
 609                 "bt_ctf_stream_get_packet_context returns a packet context");
 610
 611         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 612                 "packet_size");
 613         ok(packet_context_field,
 614                 "Packet context contains the default packet_size field.");
 615         bt_ctf_field_put(packet_context_field);
 616         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 617                 "custom_packet_context_field");
 618         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 619                 "Custom packet context field value successfully set.");
 620
 621         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 622                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 623         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 624                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 625         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 626                 "Successfully set a stream's packet context");
 627
 628         ok(bt_ctf_stream_flush(stream) == 0,
 629                 "Flush trace stream with one event");
 630
 631         bt_ctf_event_class_put(simple_event_class);
 632         bt_ctf_event_put(simple_event);
 633         bt_ctf_field_type_put(uint_12_type);
 634         bt_ctf_field_type_put(int_64_type);
 635         bt_ctf_field_type_put(float_type);
 636         bt_ctf_field_type_put(enum_type);
 637         bt_ctf_field_type_put(enum_type_unsigned);
 638         bt_ctf_field_type_put(returned_type);
 639         bt_ctf_field_type_put(event_context_type);
 640         bt_ctf_field_put(integer_field);
 641         bt_ctf_field_put(float_field);
 642         bt_ctf_field_put(enum_field);
 643         bt_ctf_field_put(enum_field_unsigned);
 644         bt_ctf_field_put(enum_container_field);
 645         bt_ctf_field_put(enum_container_field_unsigned);
 646         bt_ctf_field_put(packet_context);
 647         bt_ctf_field_put(packet_context_field);
 648         bt_ctf_field_put(stream_event_context);
 649         bt_ctf_field_put(stream_event_context_field);
 650         bt_ctf_field_put(event_context);
 651         bt_ctf_field_put(event_context_field);
 652 }
 653
 654 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 655                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 656 {
 657         struct event_class_attrs_counts {
 658                 int id;
 659                 int name;
 660                 int loglevel;
 661                 int modelemfuri;
 662                 int unknown;
 663         } attrs_count;
 664
 665         int i;
 666         int ret;
 667         int64_t int64_value;
 668         struct event_class_attrs_counts ;
 669         const char *complex_test_event_string = "Complex Test Event";
 670         const char *test_string_1 = "Test ";
 671         const char *test_string_2 = "string";
 672         const char *test_string_cat = "Test string";
 673         struct bt_ctf_field_type *uint_35_type =
 674                 bt_ctf_field_type_integer_create(35);
 675         struct bt_ctf_field_type *int_16_type =
 676                 bt_ctf_field_type_integer_create(16);
 677         struct bt_ctf_field_type *uint_3_type =
 678                 bt_ctf_field_type_integer_create(3);
 679         struct bt_ctf_field_type *enum_variant_type =
 680                 bt_ctf_field_type_enumeration_create(uint_3_type);
 681         struct bt_ctf_field_type *variant_type =
 682                 bt_ctf_field_type_variant_create(enum_variant_type,
 683                         "variant_selector");
 684         struct bt_ctf_field_type *string_type =
 685                 bt_ctf_field_type_string_create();
 686         struct bt_ctf_field_type *sequence_type;
 687         struct bt_ctf_field_type *array_type;
 688         struct bt_ctf_field_type *inner_structure_type =
 689                 bt_ctf_field_type_structure_create();
 690         struct bt_ctf_field_type *complex_structure_type =
 691                 bt_ctf_field_type_structure_create();
 692         struct bt_ctf_field_type *ret_field_type;
 693         struct bt_ctf_event_class *event_class;
 694         struct bt_ctf_event *event;
 695         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 696                 *inner_structure_field, *complex_structure_field,
 697                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 698                 *variant_field, *an_array_field, *ret_field;
 699         uint64_t ret_unsigned_int;
 700         int64_t ret_signed_int;
 701         const char *ret_string;
 702         struct bt_ctf_stream_class *ret_stream_class;
 703         struct bt_ctf_event_class *ret_event_class;
 704         struct bt_ctf_field *packet_context, *packet_context_field;
 705         struct bt_object *obj;
 706
 707         bt_ctf_field_type_set_alignment(int_16_type, 32);
 708         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 709         bt_ctf_field_type_integer_set_base(uint_35_type,
 710                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 711
 712         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 713         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 714                 "seq_len");
 715
 716         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 717                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 718         ret_field_type = bt_ctf_field_type_array_get_element_type(
 719                 array_type);
 720         ok(ret_field_type == int_16_type,
 721                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 722         bt_ctf_field_type_put(ret_field_type);
 723
 724         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 725                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 726         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 727                 "bt_ctf_field_type_array_get_length returns the correct length");
 728
 729         bt_ctf_field_type_structure_add_field(inner_structure_type,
 730                 uint_35_type, "seq_len");
 731         bt_ctf_field_type_structure_add_field(inner_structure_type,
 732                 sequence_type, "a_sequence");
 733         bt_ctf_field_type_structure_add_field(inner_structure_type,
 734                 array_type, "an_array");
 735
 736         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 737                 "UINT3_TYPE", 0, 0);
 738         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 739                 "INT16_TYPE", 1, 1);
 740         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 741                 "UINT35_TYPE", 2, 7);
 742
 743         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 744                 "INT16_TYPE") < 0,
 745                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 746         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 747                 enum_variant_type, NULL) < 0,
 748                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 749         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 750                 enum_variant_type, "INT16_TYPE") == 1,
 751                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 752
 753         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 754                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 755         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 756                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 757         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 758                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 759
 760         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 761                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 762         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 763                 "UINT3_TYPE") == 0, "Add a field to a variant");
 764         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 765                 "INT16_TYPE");
 766         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 767                 "UINT35_TYPE");
 768
 769         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 770                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 771         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 772         ok(ret_field_type == enum_variant_type,
 773                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 774         bt_ctf_field_type_put(ret_field_type);
 775
 776         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 777                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 778         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 779         ok(!strcmp(ret_string, "variant_selector"),
 780                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 781         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 782                 "INT16_TYPE") == NULL,
 783                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 784         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 785                 NULL) == NULL,
 786                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 787         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 788                 variant_type, "INT16_TYPE");
 789         ok(ret_field_type == int_16_type,
 790                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 791         bt_ctf_field_type_put(ret_field_type);
 792
 793         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 794                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 795         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 796                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 797
 798         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 799                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 800         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) < 0,
 801                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 802         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) < 0,
 803                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 804         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 805                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 806         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 807                 "bt_ctf_field_type_variant_get_field returns a field");
 808         ok(!strcmp("INT16_TYPE", ret_string),
 809                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 810         ok(ret_field_type == int_16_type,
 811                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 812         bt_ctf_field_type_put(ret_field_type);
 813
 814         bt_ctf_field_type_structure_add_field(complex_structure_type,
 815                 enum_variant_type, "variant_selector");
 816         bt_ctf_field_type_structure_add_field(complex_structure_type,
 817                 string_type, "a_string");
 818         bt_ctf_field_type_structure_add_field(complex_structure_type,
 819                 variant_type, "variant_value");
 820         bt_ctf_field_type_structure_add_field(complex_structure_type,
 821                 inner_structure_type, "inner_structure");
 822
 823         ok(bt_ctf_event_class_create("clock") == NULL,
 824                 "Reject creation of an event class with an illegal name");
 825         event_class = bt_ctf_event_class_create(complex_test_event_string);
 826         ok(event_class, "Create an event class");
 827         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 828                 "Reject addition of a field with an empty name to an event");
 829         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 830                 "Reject addition of a field with a NULL type to an event");
 831         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 832                 "int"),
 833                 "Reject addition of a type with an illegal name to an event");
 834         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 835                 "uint_35") == 0,
 836                 "Add field of type unsigned integer to an event");
 837         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 838                 "int_16") == 0, "Add field of type signed integer to an event");
 839         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 840                 "complex_structure") == 0,
 841                 "Add composite structure to an event");
 842
 843         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 844                 "bt_ctf_event_class_get_name handles NULL correctly");
 845         ret_string = bt_ctf_event_class_get_name(event_class);
 846         ok(!strcmp(ret_string, complex_test_event_string),
 847                 "bt_ctf_event_class_get_name returns a correct name");
 848         ok(bt_ctf_event_class_get_id(event_class) < 0,
 849                 "bt_ctf_event_class_get_id returns a negative value when not set");
 850         ok(bt_ctf_event_class_get_id(NULL) < 0,
 851                 "bt_ctf_event_class_get_id handles NULL correctly");
 852         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 853                 "bt_ctf_event_class_set_id handles NULL correctly");
 854         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 855                 "Set an event class' id");
 856         ok(bt_ctf_event_class_get_id(event_class) == 42,
 857                 "bt_ctf_event_class_get_id returns the correct value");
 858
 859         /* Test event class attributes */
 860         assert(obj = bt_object_integer_create_init(15));
 861         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 862                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 863         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 864                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 865         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 866                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 867         assert(!bt_object_integer_set(obj, -3));
 868         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 869                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 870         assert(!bt_object_integer_set(obj, 11));
 871         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 872         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 873                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 874         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 875         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 876         ok(ret,
 877                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 878         BT_OBJECT_PUT(obj);
 879
 880         obj = bt_object_integer_create_init(5);
 881         assert(obj);
 882         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 883                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 884         BT_OBJECT_PUT(obj);
 885         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 886                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 887         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 888                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 889         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 890                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 891         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 892                 "loglevel");
 893         int64_value = 0;
 894         ret = bt_object_integer_get(obj, &int64_value);
 895         ok(obj && !ret && int64_value == 5,
 896                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 897         BT_OBJECT_PUT(obj);
 898
 899         assert(obj = bt_object_string_create_init("nu name"));
 900         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 901         ret_string = bt_ctf_event_class_get_name(event_class);
 902         ok(!strcmp(ret_string, "nu name"),
 903                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 904         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 905         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 906         ok(ret,
 907                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 908         BT_OBJECT_PUT(obj);
 909         obj = bt_object_string_create_init("http://kernel.org/");
 910         assert(obj);
 911         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 912         BT_OBJECT_PUT(obj);
 913
 914         ok(bt_ctf_event_class_get_attribute_count(NULL),
 915                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 916         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 917                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 918         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
 919                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 920         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
 921                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 922         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
 923                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 924         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
 925                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 926
 927         memset(&attrs_count, 0, sizeof(attrs_count));
 928
 929         for (i = 0; i < 4; ++i) {
 930                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
 931                         i);
 932                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
 933                 assert(ret_string && obj);
 934
 935                 if (!strcmp(ret_string, "id")) {
 936                         attrs_count.id++;
 937                         ok(bt_object_is_integer(obj),
 938                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 939                                 ret_string);
 940                 } else if (!strcmp(ret_string, "name")) {
 941                         attrs_count.name++;
 942                         ok(bt_object_is_string(obj),
 943                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 944                                 ret_string);
 945                 } else if (!strcmp(ret_string, "loglevel")) {
 946                         attrs_count.loglevel++;
 947                         ok(bt_object_is_integer(obj),
 948                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 949                                 ret_string);
 950                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 951                         attrs_count.modelemfuri++;
 952                         ok(bt_object_is_string(obj),
 953                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 954                                 ret_string);
 955                 } else {
 956                         attrs_count.unknown++;
 957                 }
 958
 959                 BT_OBJECT_PUT(obj);
 960         }
 961
 962         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 963         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 964                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 965                 "event class has one instance of each known attribute");
 966
 967         /* Add event class to the stream class */
 968         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 969                 "Reject addition of NULL event class to a stream class");
 970         ok(bt_ctf_stream_class_add_event_class(stream_class,
 971                 event_class) == 0, "Add an event class to stream class");
 972
 973         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 974                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 975         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 976         ok(ret_stream_class == stream_class,
 977                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 978         bt_ctf_stream_class_put(ret_stream_class);
 979
 980         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
 981                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 982         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
 983                 "bt_ctf_event_class_get_field_count returns a correct value");
 984
 985         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
 986                 &ret_field_type, 0) < 0,
 987                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 988         ok(bt_ctf_event_class_get_field(event_class, NULL,
 989                 &ret_field_type, 0) < 0,
 990                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 991         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 992                 NULL, 0) < 0,
 993                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 994         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 995                 &ret_field_type, 42) < 0,
 996                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 997         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 998                 &ret_field_type, 0) == 0,
 999                 "bt_ctf_event_class_get_field returns a field");
1000         ok(ret_field_type == uint_35_type,
1001                 "bt_ctf_event_class_get_field returns a correct field type");
1002         bt_ctf_field_type_put(ret_field_type);
1003         ok(!strcmp(ret_string, "uint_35"),
1004                 "bt_ctf_event_class_get_field returns a correct field name");
1005         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1006                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1007         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1008                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1009         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1010                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1011         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1012                 "complex_structure");
1013         ok(ret_field_type == complex_structure_type,
1014                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1015         bt_ctf_field_type_put(ret_field_type);
1016
1017         event = bt_ctf_event_create(event_class);
1018         ok(event, "Instanciate a complex event");
1019
1020         ok(bt_ctf_event_get_class(NULL) == NULL,
1021                 "bt_ctf_event_get_class handles NULL correctly");
1022         ret_event_class = bt_ctf_event_get_class(event);
1023         ok(ret_event_class == event_class,
1024                 "bt_ctf_event_get_class returns the correct event class");
1025         bt_ctf_event_class_put(ret_event_class);
1026
1027         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1028         if (!uint_35_field) {
1029                 printf("uint_35_field is NULL\n");
1030         }
1031
1032         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1033         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1034         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1035                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1036         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1037                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1038         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1039                 &ret_unsigned_int) == 0,
1040                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1041         ok(ret_unsigned_int == 0x0DDF00D,
1042                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1043         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1044                 &ret_signed_int) < 0,
1045                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1046         bt_ctf_field_put(uint_35_field);
1047
1048         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1049         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1050         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1051                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1052         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1053                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1054         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1055                 &ret_signed_int) == 0,
1056                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1057         ok(ret_signed_int == -12345,
1058                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1059         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1060                 &ret_unsigned_int) < 0,
1061                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1062         bt_ctf_field_put(int_16_field);
1063
1064         complex_structure_field = bt_ctf_event_get_payload(event,
1065                 "complex_structure");
1066
1067         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1068                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1069         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1070                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1071         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1072                 complex_structure_field, 3);
1073         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1074         bt_ctf_field_put(inner_structure_field);
1075         ok(ret_field_type == inner_structure_type,
1076                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1077         bt_ctf_field_type_put(ret_field_type);
1078
1079         inner_structure_field = bt_ctf_field_structure_get_field(
1080                 complex_structure_field, "inner_structure");
1081         a_string_field = bt_ctf_field_structure_get_field(
1082                 complex_structure_field, "a_string");
1083         enum_variant_field = bt_ctf_field_structure_get_field(
1084                 complex_structure_field, "variant_selector");
1085         variant_field = bt_ctf_field_structure_get_field(
1086                 complex_structure_field, "variant_value");
1087         uint_35_field = bt_ctf_field_structure_get_field(
1088                 inner_structure_field, "seq_len");
1089         a_sequence_field = bt_ctf_field_structure_get_field(
1090                 inner_structure_field, "a_sequence");
1091         an_array_field = bt_ctf_field_structure_get_field(
1092                 inner_structure_field, "an_array");
1093
1094         enum_container_field = bt_ctf_field_enumeration_get_container(
1095                 enum_variant_field);
1096         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1097         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1098                 enum_variant_field);
1099         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1100         bt_ctf_field_put(int_16_field);
1101         ok(!bt_ctf_field_string_get_value(a_string_field),
1102                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1103         bt_ctf_field_string_set_value(a_string_field,
1104                 test_string_1);
1105         ok(!bt_ctf_field_string_get_value(NULL),
1106                 "bt_ctf_field_string_get_value correctly handles NULL");
1107         ok(bt_ctf_field_string_append(NULL, "yeah"),
1108                 "bt_ctf_field_string_append correctly handles a NULL string field");
1109         ok(bt_ctf_field_string_append(a_string_field, NULL),
1110                 "bt_ctf_field_string_append correctly handles a NULL string value");
1111         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1112                 "bt_ctf_field_string_append succeeds");
1113         ret_string = bt_ctf_field_string_get_value(a_string_field);
1114         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1115         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1116                 "bt_ctf_field_string_get_value returns a correct value");
1117         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1118                 SEQUENCE_TEST_LENGTH);
1119
1120         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1121                 enum_container_field) == NULL,
1122                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1123         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1124                 NULL) == NULL,
1125                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1126         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1127                 variant_type, enum_variant_field);
1128         ok(ret_field_type == int_16_type,
1129                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1130
1131         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1132                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1133         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1134                 uint_35_field) == 0, "Set a sequence field's length");
1135         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1136         ok(ret_field == uint_35_field,
1137                 "bt_ctf_field_sequence_get_length returns the correct length field");
1138         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1139                 "bt_ctf_field_sequence_get_length properly handles NULL");
1140
1141         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1142                 int_16_field = bt_ctf_field_sequence_get_field(
1143                         a_sequence_field, i);
1144                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1145                 bt_ctf_field_put(int_16_field);
1146         }
1147
1148         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1149                 int_16_field = bt_ctf_field_array_get_field(
1150                         an_array_field, i);
1151                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1152                 bt_ctf_field_put(int_16_field);
1153         }
1154
1155         bt_ctf_clock_set_time(clock, ++current_time);
1156         ok(bt_ctf_stream_append_event(stream, event) == 0,
1157                 "Append a complex event to a stream");
1158
1159         /*
1160          * Populate the custom packet context field with a dummy value
1161          * otherwise flush will fail.
1162          */
1163         packet_context = bt_ctf_stream_get_packet_context(stream);
1164         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1165                 "custom_packet_context_field");
1166         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1167
1168         ok(bt_ctf_stream_flush(stream) == 0,
1169                 "Flush a stream containing a complex event");
1170
1171         bt_ctf_field_put(uint_35_field);
1172         bt_ctf_field_put(a_string_field);
1173         bt_ctf_field_put(inner_structure_field);
1174         bt_ctf_field_put(complex_structure_field);
1175         bt_ctf_field_put(a_sequence_field);
1176         bt_ctf_field_put(an_array_field);
1177         bt_ctf_field_put(enum_variant_field);
1178         bt_ctf_field_put(enum_container_field);
1179         bt_ctf_field_put(variant_field);
1180         bt_ctf_field_put(ret_field);
1181         bt_ctf_field_put(packet_context_field);
1182         bt_ctf_field_put(packet_context);
1183         bt_ctf_field_type_put(uint_35_type);
1184         bt_ctf_field_type_put(int_16_type);
1185         bt_ctf_field_type_put(string_type);
1186         bt_ctf_field_type_put(sequence_type);
1187         bt_ctf_field_type_put(array_type);
1188         bt_ctf_field_type_put(inner_structure_type);
1189         bt_ctf_field_type_put(complex_structure_type);
1190         bt_ctf_field_type_put(uint_3_type);
1191         bt_ctf_field_type_put(enum_variant_type);
1192         bt_ctf_field_type_put(variant_type);
1193         bt_ctf_field_type_put(ret_field_type);
1194         bt_ctf_event_class_put(event_class);
1195         bt_ctf_event_put(event);
1196 }
1197
1198 void type_field_tests()
1199 {
1200         struct bt_ctf_field *uint_12;
1201         struct bt_ctf_field *int_16;
1202         struct bt_ctf_field *string;
1203         struct bt_ctf_field *enumeration;
1204         struct bt_ctf_field_type *composite_structure_type;
1205         struct bt_ctf_field_type *structure_seq_type;
1206         struct bt_ctf_field_type *string_type;
1207         struct bt_ctf_field_type *sequence_type;
1208         struct bt_ctf_field_type *uint_8_type;
1209         struct bt_ctf_field_type *int_16_type;
1210         struct bt_ctf_field_type *uint_12_type =
1211                 bt_ctf_field_type_integer_create(12);
1212         struct bt_ctf_field_type *enumeration_type;
1213         struct bt_ctf_field_type *enumeration_sequence_type;
1214         struct bt_ctf_field_type *enumeration_array_type;
1215         struct bt_ctf_field_type *returned_type;
1216         const char *ret_string;
1217
1218         returned_type = bt_ctf_field_get_type(NULL);
1219         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1220
1221         ok(uint_12_type, "Create an unsigned integer type");
1222         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1223                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1224                 "Set integer type's base as binary");
1225         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1226                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1227                 "Set integer type's base as decimal");
1228         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1229                 BT_CTF_INTEGER_BASE_UNKNOWN),
1230                 "Reject integer type's base set as unknown");
1231         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1232                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1233                 "Set integer type's base as octal");
1234         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1235                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1236                 "Set integer type's base as hexadecimal");
1237         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1238                 "Reject unknown integer base value");
1239         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1240                 "Set integer type signedness to signed");
1241         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1242                 "Set integer type signedness to unsigned");
1243         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1244                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1245         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1246                 "bt_ctf_field_type_integer_get_size returns a correct value");
1247         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1248                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1249         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1250                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1251
1252         ok(bt_ctf_field_type_set_byte_order(NULL,
1253                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1254                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1255         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1256                 (enum bt_ctf_byte_order) 42) < 0,
1257                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1258         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1259                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1260                 "Set an integer's byte order to little endian");
1261         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1262                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1263                 "Set an integer's byte order to big endian");
1264         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1265                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1266                 "bt_ctf_field_type_get_byte_order returns a correct value");
1267         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1268                 BT_CTF_BYTE_ORDER_UNKNOWN,
1269                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1270
1271         ok(bt_ctf_field_type_get_type_id(NULL) ==
1272                 CTF_TYPE_UNKNOWN,
1273                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1274         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1275                 CTF_TYPE_INTEGER,
1276                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1277
1278         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1279                 BT_CTF_INTEGER_BASE_UNKNOWN,
1280                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1281         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1282                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1283                 "bt_ctf_field_type_integer_get_base returns a correct value");
1284
1285         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1286                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1287         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1288                 (enum ctf_string_encoding) 123) < 0,
1289                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1290         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1291                 CTF_STRING_UTF8) == 0,
1292                 "Set integer type encoding to UTF8");
1293         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1294                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1295         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1296                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1297
1298         int_16_type = bt_ctf_field_type_integer_create(16);
1299         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1300         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1301                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1302         uint_8_type = bt_ctf_field_type_integer_create(8);
1303         sequence_type =
1304                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1305         ok(sequence_type, "Create a sequence of int16_t type");
1306         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1307                 CTF_TYPE_SEQUENCE,
1308                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1309
1310         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1311                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1312         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1313                 sequence_type);
1314         ok(!strcmp(ret_string, "seq_len"),
1315                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1316         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1317                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1318         returned_type = bt_ctf_field_type_sequence_get_element_type(
1319                 sequence_type);
1320         ok(returned_type == int_16_type,
1321                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1322         bt_ctf_field_type_put(returned_type);
1323
1324         string_type = bt_ctf_field_type_string_create();
1325         ok(string_type, "Create a string type");
1326         ok(bt_ctf_field_type_string_set_encoding(string_type,
1327                 CTF_STRING_NONE),
1328                 "Reject invalid \"None\" string encoding");
1329         ok(bt_ctf_field_type_string_set_encoding(string_type,
1330                 42),
1331                 "Reject invalid string encoding");
1332         ok(bt_ctf_field_type_string_set_encoding(string_type,
1333                 CTF_STRING_ASCII) == 0,
1334                 "Set string encoding to ASCII");
1335
1336         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1337                 CTF_STRING_UNKNOWN,
1338                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1339         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1340                 CTF_STRING_ASCII,
1341                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1342
1343         structure_seq_type = bt_ctf_field_type_structure_create();
1344         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1345                 CTF_TYPE_STRUCT,
1346                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1347         ok(structure_seq_type, "Create a structure type");
1348         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1349                 uint_8_type, "seq_len") == 0,
1350                 "Add a uint8_t type to a structure");
1351         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1352                 sequence_type, "a_sequence") == 0,
1353                 "Add a sequence type to a structure");
1354
1355         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1356                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1357         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1358                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1359
1360         ok(bt_ctf_field_type_structure_get_field(NULL,
1361                 &ret_string, &returned_type, 1) < 0,
1362                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1363         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1364                 NULL, &returned_type, 1) < 0,
1365                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1366         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1367                 &ret_string, NULL, 1) < 0,
1368                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1369         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1370                 &ret_string, &returned_type, 10) < 0,
1371                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1372         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1373                 &ret_string, &returned_type, 1) == 0,
1374                 "bt_ctf_field_type_structure_get_field returns a field");
1375         ok(!strcmp(ret_string, "a_sequence"),
1376                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1377         ok(returned_type == sequence_type,
1378                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1379         bt_ctf_field_type_put(returned_type);
1380
1381         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1382                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1383         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1384                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1385         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1386                 structure_seq_type, "a_sequence");
1387         ok(returned_type == sequence_type,
1388                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1389         bt_ctf_field_type_put(returned_type);
1390
1391         composite_structure_type = bt_ctf_field_type_structure_create();
1392         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1393                 string_type, "a_string") == 0,
1394                 "Add a string type to a structure");
1395         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1396                 structure_seq_type, "inner_structure") == 0,
1397                 "Add a structure type to a structure");
1398
1399         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1400                 NULL, "a_sequence") == NULL,
1401                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1402         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1403                 structure_seq_type, NULL) == NULL,
1404                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1405         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1406                 structure_seq_type, "a_sequence");
1407         ok(returned_type == sequence_type,
1408                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1409         bt_ctf_field_type_put(returned_type);
1410
1411         int_16 = bt_ctf_field_create(int_16_type);
1412         ok(int_16, "Instanciate a signed 16-bit integer");
1413         uint_12 = bt_ctf_field_create(uint_12_type);
1414         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1415         returned_type = bt_ctf_field_get_type(int_16);
1416         ok(returned_type == int_16_type,
1417                 "bt_ctf_field_get_type returns the correct type");
1418
1419         /* Can't modify types after instanciating them */
1420         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1421                 BT_CTF_INTEGER_BASE_DECIMAL),
1422                 "Check an integer type' base can't be modified after instanciation");
1423         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1424                 "Check an integer type's signedness can't be modified after instanciation");
1425
1426         /* Check signed property is checked */
1427         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1428                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1429         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1430                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1431
1432         /* Check overflows are properly tested for */
1433         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1434                 "Check -32768 is allowed for a signed 16-bit integer");
1435         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1436                 "Check 32767 is allowed for a signed 16-bit integer");
1437         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1438                 "Check 32768 is not allowed for a signed 16-bit integer");
1439         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1440                 "Check -32769 is not allowed for a signed 16-bit integer");
1441         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1442                 "Check -42 is allowed for a signed 16-bit integer");
1443
1444         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1445                 "Check 4095 is allowed for an unsigned 12-bit integer");
1446         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1447                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1448         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1449                 "Check 0 is allowed for an unsigned 12-bit integer");
1450
1451         string = bt_ctf_field_create(string_type);
1452         ok(string, "Instanciate a string field");
1453         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1454                 "Set a string's value");
1455
1456         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1457         ok(enumeration_type,
1458                 "Create an enumeration type with an unsigned 12-bit integer as container");
1459         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
1460                 enumeration_type, "count");
1461         ok(!enumeration_sequence_type,
1462                 "Check enumeration types are validated when creating a sequence");
1463         enumeration_array_type = bt_ctf_field_type_array_create(
1464                 enumeration_type, 10);
1465         ok(!enumeration_array_type,
1466                 "Check enumeration types are validated when creating an array");
1467         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1468                 enumeration_type, "enumeration"),
1469                 "Check enumeration types are validated when adding them as structure members");
1470         enumeration = bt_ctf_field_create(enumeration_type);
1471         ok(!enumeration,
1472                 "Check enumeration types are validated before instantiation");
1473
1474         bt_ctf_field_put(string);
1475         bt_ctf_field_put(uint_12);
1476         bt_ctf_field_put(int_16);
1477         bt_ctf_field_put(enumeration);
1478         bt_ctf_field_type_put(composite_structure_type);
1479         bt_ctf_field_type_put(structure_seq_type);
1480         bt_ctf_field_type_put(string_type);
1481         bt_ctf_field_type_put(sequence_type);
1482         bt_ctf_field_type_put(uint_8_type);
1483         bt_ctf_field_type_put(int_16_type);
1484         bt_ctf_field_type_put(uint_12_type);
1485         bt_ctf_field_type_put(enumeration_type);
1486         bt_ctf_field_type_put(enumeration_sequence_type);
1487         bt_ctf_field_type_put(enumeration_array_type);
1488         bt_ctf_field_type_put(returned_type);
1489 }
1490
1491 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1492                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1493 {
1494         /*
1495          * Append enough events to force the underlying packet to be resized.
1496          * Also tests that a new event can be declared after a stream has been
1497          * instantiated and used/flushed.
1498          */
1499         int ret = 0;
1500         int i;
1501         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1502                 "Spammy_Event");
1503         struct bt_ctf_field_type *integer_type =
1504                 bt_ctf_field_type_integer_create(17);
1505         struct bt_ctf_field_type *string_type =
1506                 bt_ctf_field_type_string_create();
1507         struct bt_ctf_event *event = NULL;
1508         struct bt_ctf_field *ret_field = NULL;
1509         struct bt_ctf_field_type *ret_field_type = NULL;
1510         uint64_t ret_uint64;
1511         int events_appended = 0;
1512         struct bt_ctf_field *packet_context = NULL,
1513                 *packet_context_field = NULL, *event_context = NULL;
1514
1515         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1516                 "field_1");
1517         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1518                 "a_string");
1519         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1520         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1521         if (ret) {
1522                 goto end;
1523         }
1524
1525         event = bt_ctf_event_create(event_class);
1526         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1527         ret_field_type = bt_ctf_field_get_type(ret_field);
1528         ok(ret_field_type == integer_type,
1529                 "bt_ctf_event_get_payload_by_index returns a correct field");
1530         bt_ctf_field_type_put(ret_field_type);
1531         bt_ctf_field_put(ret_field);
1532
1533         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1534                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1535         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1536                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1537         bt_ctf_event_put(event);
1538
1539         ok(bt_ctf_stream_get_event_context(NULL) == NULL,
1540                 "bt_ctf_stream_get_event_context handles NULL correctly");
1541         event_context = bt_ctf_stream_get_event_context(stream);
1542         ok(event_context,
1543                 "bt_ctf_stream_get_event_context returns a stream event context");
1544         ok(bt_ctf_stream_set_event_context(NULL, event_context) < 0,
1545                 "bt_ctf_stream_set_event_context handles a NULL stream correctly");
1546         ok(bt_ctf_stream_set_event_context(stream, NULL) < 0,
1547                 "bt_ctf_stream_set_event_context handles a NULL stream event context correctly");
1548         ok(!bt_ctf_stream_set_event_context(stream, event_context),
1549                 "bt_ctf_stream_set_event_context correctly set a stream event context");
1550         ret_field = bt_ctf_field_create(integer_type);
1551         ok(bt_ctf_stream_set_event_context(stream, ret_field) < 0,
1552                 "bt_ctf_stream_set_event_context rejects an event context of incorrect type");
1553         bt_ctf_field_put(ret_field);
1554
1555         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
1556                 event = bt_ctf_event_create(event_class);
1557                 struct bt_ctf_field *integer =
1558                         bt_ctf_field_create(integer_type);
1559                 struct bt_ctf_field *string =
1560                         bt_ctf_field_create(string_type);
1561
1562                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1563                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1564                 ret |= bt_ctf_event_set_payload(event, "field_1",
1565                         integer);
1566                 bt_ctf_field_put(integer);
1567                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1568                 ret |= bt_ctf_event_set_payload(event, "a_string",
1569                         string);
1570                 bt_ctf_field_put(string);
1571
1572                 /* Populate stream event context */
1573                 integer = bt_ctf_field_structure_get_field(event_context,
1574                         "common_event_context");
1575                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
1576                         i % 42);
1577                 bt_ctf_field_put(integer);
1578
1579                 ret |= bt_ctf_stream_append_event(stream, event);
1580                 bt_ctf_event_put(event);
1581
1582                 if (ret) {
1583                         break;
1584                 }
1585         }
1586
1587         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
1588         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
1589                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
1590         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
1591                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
1592         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1593         ok(ret == 0 && ret_uint64 == 0,
1594                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
1595         bt_ctf_stream_append_discarded_events(stream, 1000);
1596         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1597         ok(ret == 0 && ret_uint64 == 1000,
1598                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
1599
1600 end:
1601         ok(events_appended, "Append 100 000 events to a stream");
1602
1603         /*
1604          * Populate the custom packet context field with a dummy value
1605          * otherwise flush will fail.
1606          */
1607         packet_context = bt_ctf_stream_get_packet_context(stream);
1608         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1609                 "custom_packet_context_field");
1610         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
1611
1612         ok(bt_ctf_stream_flush(stream) == 0,
1613                 "Flush a stream that forces a packet resize");
1614         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
1615         ok(ret == 0 && ret_uint64 == 1000,
1616                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
1617         bt_ctf_field_type_put(integer_type);
1618         bt_ctf_field_type_put(string_type);
1619         bt_ctf_field_put(packet_context);
1620         bt_ctf_field_put(packet_context_field);
1621         bt_ctf_field_put(event_context);
1622         bt_ctf_event_class_put(event_class);
1623 }
1624
1625 void test_empty_stream(struct bt_ctf_writer *writer)
1626 {
1627         int ret = 0;
1628         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
1629         struct bt_ctf_stream_class *stream_class = NULL;
1630         struct bt_ctf_stream *stream = NULL;
1631
1632         trace = bt_ctf_writer_get_trace(writer);
1633         if (!trace) {
1634                 diag("Failed to get trace from writer");
1635                 ret = -1;
1636                 goto end;
1637         }
1638
1639         stream_class = bt_ctf_stream_class_create("empty_stream");
1640         if (!stream_class) {
1641                 diag("Failed to create stream class");
1642                 ret = -1;
1643                 goto end;
1644         }
1645
1646         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
1647                 "bt_ctf_stream_class_get_trace handles NULL correctly");
1648         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
1649                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
1650
1651         stream = bt_ctf_writer_create_stream(writer, stream_class);
1652         if (!stream) {
1653                 diag("Failed to create writer stream");
1654                 ret = -1;
1655                 goto end;
1656         }
1657
1658         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
1659         ok(ret_trace == trace,
1660                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
1661 end:
1662         ok(ret == 0,
1663                 "Created a stream class with default attributes and an empty stream");
1664         bt_ctf_trace_put(trace);
1665         bt_ctf_trace_put(ret_trace);
1666         bt_ctf_stream_put(stream);
1667         bt_ctf_stream_class_put(stream_class);
1668 }
1669
1670 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
1671 {
1672         int ret = 0;
1673         struct bt_ctf_trace *trace = NULL;
1674         struct bt_ctf_clock *clock = NULL;
1675         struct bt_ctf_stream_class *stream_class = NULL;
1676         struct bt_ctf_stream *stream = NULL,
1677                 *ret_stream = NULL;
1678         struct bt_ctf_event_class *event_class = NULL;
1679         struct bt_ctf_event *event = NULL;
1680         struct bt_ctf_field_type *integer_type = NULL;
1681         struct bt_ctf_field *integer = NULL;
1682
1683         trace = bt_ctf_writer_get_trace(writer);
1684         if (!trace) {
1685                 diag("Failed to get trace from writer");
1686                 ret = -1;
1687                 goto end;
1688         }
1689
1690         clock = bt_ctf_trace_get_clock(trace, 0);
1691         if (!clock) {
1692                 diag("Failed to get clock from trace");
1693                 ret = -1;
1694                 goto end;
1695         }
1696
1697         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
1698         if (!stream_class) {
1699                 diag("Failed to create stream class");
1700                 ret = -1;
1701                 goto end;
1702         }
1703
1704         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
1705         if (ret) {
1706                 diag("Failed to set stream class clock");
1707                 goto end;
1708         }
1709
1710         event_class = bt_ctf_event_class_create("some_event_class_name");
1711         integer_type = bt_ctf_field_type_integer_create(32);
1712         if (!integer_type) {
1713                 diag("Failed to create integer field type");
1714                 ret = -1;
1715                 goto end;
1716         }
1717
1718         ret = bt_ctf_event_class_add_field(event_class, integer_type,
1719                 "integer_field");
1720         if (ret) {
1721                 diag("Failed to add field to event class");
1722                 goto end;
1723         }
1724
1725         ret = bt_ctf_stream_class_add_event_class(stream_class,
1726                 event_class);
1727         if (ret) {
1728                 diag("Failed to add event class to stream class");
1729         }
1730
1731         event = bt_ctf_event_create(event_class);
1732         if (!event) {
1733                 diag("Failed to create event");
1734                 ret = -1;
1735                 goto end;
1736         }
1737
1738         integer = bt_ctf_event_get_payload_by_index(event, 0);
1739         if (!integer) {
1740                 diag("Failed to get integer field payload from event");
1741                 ret = -1;
1742                 goto end;
1743         }
1744
1745         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
1746         if (ret) {
1747                 diag("Failed to set integer field value");
1748                 goto end;
1749         }
1750
1751         stream = bt_ctf_writer_create_stream(writer, stream_class);
1752         if (!stream) {
1753                 diag("Failed to create writer stream");
1754                 ret = -1;
1755                 goto end;
1756         }
1757
1758         ok(bt_ctf_event_get_stream(NULL) == NULL,
1759                 "bt_ctf_event_get_stream handles NULL correctly");
1760         ok(bt_ctf_event_get_stream(event) == NULL,
1761                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
1762
1763         ret = bt_ctf_stream_append_event(stream, event);
1764         if (ret) {
1765                 diag("Failed to append event to stream");
1766                 goto end;
1767         }
1768
1769         ret_stream = bt_ctf_event_get_stream(event);
1770         ok(ret_stream == stream,
1771                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
1772 end:
1773         ok(ret == 0,
1774                 "Create an event before instanciating its associated stream");
1775         bt_ctf_trace_put(trace);
1776         bt_ctf_stream_put(stream);
1777         bt_ctf_stream_put(ret_stream);
1778         bt_ctf_stream_class_put(stream_class);
1779         bt_ctf_event_class_put(event_class);
1780         bt_ctf_event_put(event);
1781         bt_ctf_field_type_put(integer_type);
1782         bt_ctf_field_put(integer);
1783         bt_ctf_clock_put(clock);
1784 }
1785
1786 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
1787 {
1788         struct bt_ctf_event_class *event_class;
1789
1790         assert(event_class = bt_ctf_event_class_create("Simple Event"));
1791         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
1792                 "two event classes with the same name cannot cohabit within the same stream class");
1793         bt_ctf_event_class_put(event_class);
1794
1795         event_class = bt_ctf_event_class_create("different name, ok");
1796         assert(event_class);
1797         assert(!bt_ctf_event_class_set_id(event_class, 11));
1798         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
1799                 "two event classes with the same ID cannot cohabit within the same stream class");
1800         bt_ctf_event_class_put(event_class);
1801 }
1802
1803 int main(int argc, char **argv)
1804 {
1805         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
1806         char metadata_path[sizeof(trace_path) + 9];
1807         const char *clock_name = "test_clock";
1808         const char *clock_description = "This is a test clock";
1809         const char *returned_clock_name;
1810         const char *returned_clock_description;
1811         const uint64_t frequency = 1123456789;
1812         const uint64_t offset_s = 1351530929945824323;
1813         const uint64_t offset = 1234567;
1814         const uint64_t precision = 10;
1815         const int is_absolute = 0xFF;
1816         char *metadata_string;
1817         struct bt_ctf_writer *writer;
1818         struct utsname name;
1819         char hostname[BABELTRACE_HOST_NAME_MAX];
1820         struct bt_ctf_clock *clock, *ret_clock;
1821         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
1822         struct bt_ctf_stream *stream1;
1823         const char *ret_string;
1824         const unsigned char *ret_uuid;
1825         unsigned char tmp_uuid[16] = { 0 };
1826         struct bt_ctf_field_type *packet_context_type,
1827                 *packet_context_field_type,
1828                 *packet_header_type,
1829                 *packet_header_field_type,
1830                 *integer_type,
1831                 *stream_event_context_type,
1832                 *ret_field_type,
1833                 *event_header_field_type;
1834         struct bt_ctf_field *packet_header, *packet_header_field;
1835         struct bt_ctf_trace *trace;
1836         int ret;
1837         int64_t ret_int64_t;
1838         struct bt_object *obj;
1839
1840         if (argc < 3) {
1841                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
1842                 return -1;
1843         }
1844
1845         plan_no_plan();
1846
1847         if (!mkdtemp(trace_path)) {
1848                 perror("# perror");
1849         }
1850
1851         strcpy(metadata_path, trace_path);
1852         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
1853
1854         writer = bt_ctf_writer_create(trace_path);
1855         ok(writer, "bt_ctf_create succeeds in creating trace with path");
1856
1857         ok(!bt_ctf_writer_get_trace(NULL),
1858                 "bt_ctf_writer_get_trace correctly handles NULL");
1859         trace = bt_ctf_writer_get_trace(writer);
1860         ok(trace,
1861                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
1862         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1863                 "Set a trace's byte order to big endian");
1864         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1865                 "bt_ctf_trace_get_byte_order returns a correct endianness");
1866
1867         /* Add environment context to the trace */
1868         ret = gethostname(hostname, sizeof(hostname));
1869         if (ret < 0) {
1870                 return ret;
1871         }
1872         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
1873                 "Add host (%s) environment field to writer instance",
1874                 hostname);
1875         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
1876                 "test_value"),
1877                 "bt_ctf_writer_add_environment_field error with NULL writer");
1878         ok(bt_ctf_writer_add_environment_field(writer, NULL,
1879                 "test_value"),
1880                 "bt_ctf_writer_add_environment_field error with NULL field name");
1881         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
1882                 NULL),
1883                 "bt_ctf_writer_add_environment_field error with NULL field value");
1884
1885         /* Test bt_ctf_trace_set_environment_field with an integer object */
1886         obj = bt_object_integer_create_init(23);
1887         assert(obj);
1888         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
1889                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
1890         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
1891                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
1892         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
1893                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
1894         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
1895                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
1896         BT_OBJECT_PUT(obj);
1897
1898         /* Test bt_ctf_trace_set_environment_field with a string object */
1899         obj = bt_object_string_create_init("the value");
1900         assert(obj);
1901         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
1902                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
1903         BT_OBJECT_PUT(obj);
1904
1905         /* Test bt_ctf_trace_set_environment_field_integer */
1906         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
1907                 -194875),
1908                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
1909         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
1910                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
1911         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
1912                 -164973),
1913                 "bt_ctf_trace_set_environment_field_integer succeeds");
1914
1915         /* Test bt_ctf_trace_set_environment_field_string */
1916         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
1917                 "yeah"),
1918                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
1919         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
1920                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
1921         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
1922                 NULL),
1923                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
1924         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
1925                 "oh yeah"),
1926                 "bt_ctf_trace_set_environment_field_string succeeds");
1927
1928         /* Test bt_ctf_trace_get_environment_field_count */
1929         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
1930                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
1931         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
1932                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
1933
1934         /* Test bt_ctf_trace_get_environment_field_name */
1935         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
1936                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
1937         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
1938                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
1939         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
1940                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
1941         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
1942         ok(ret_string && !strcmp(ret_string, "host"),
1943                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1944         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
1945         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
1946                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1947         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
1948         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
1949                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1950         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
1951         ok(ret_string && !strcmp(ret_string, "test_env_int"),
1952                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1953         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
1954         ok(ret_string && !strcmp(ret_string, "test_env_str"),
1955                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
1956
1957         /* Test bt_ctf_trace_get_environment_field_value */
1958         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
1959                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
1960         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
1961                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
1962         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
1963                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
1964         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
1965         ret = bt_object_integer_get(obj, &ret_int64_t);
1966         ok(!ret && ret_int64_t == 23,
1967                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
1968         BT_OBJECT_PUT(obj);
1969         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
1970         ret = bt_object_string_get(obj, &ret_string);
1971         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
1972                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
1973         BT_OBJECT_PUT(obj);
1974
1975         /* Test bt_ctf_trace_get_environment_field_value_by_name */
1976         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
1977                 "test_env_str"),
1978                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
1979         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
1980                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
1981         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
1982                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
1983         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
1984                 "test_env_str");
1985         ret = bt_object_string_get(obj, &ret_string);
1986         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
1987                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
1988         BT_OBJECT_PUT(obj);
1989
1990         /* Test environment field replacement */
1991         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
1992                 654321),
1993                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
1994         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
1995                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
1996         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
1997         ret = bt_object_integer_get(obj, &ret_int64_t);
1998         ok(!ret && ret_int64_t == 654321,
1999                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2000         BT_OBJECT_PUT(obj);
2001
2002         if (uname(&name)) {
2003                 perror("uname");
2004                 return -1;
2005         }
2006
2007         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2008                 == 0, "Add sysname (%s) environment field to writer instance",
2009                 name.sysname);
2010         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2011                 name.nodename) == 0,
2012                 "Add nodename (%s) environment field to writer instance",
2013                 name.nodename);
2014         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2015                 == 0, "Add release (%s) environment field to writer instance",
2016                 name.release);
2017         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2018                 == 0, "Add version (%s) environment field to writer instance",
2019                 name.version);
2020         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2021                 == 0, "Add machine (%s) environment field to writer istance",
2022                 name.machine);
2023
2024         /* Define a clock and add it to the trace */
2025         ok(bt_ctf_clock_create("signed") == NULL,
2026                 "Illegal clock name rejected");
2027         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2028         clock = bt_ctf_clock_create(clock_name);
2029         ok(clock, "Clock created sucessfully");
2030         returned_clock_name = bt_ctf_clock_get_name(clock);
2031         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2032         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2033                 "Returned clock name is valid");
2034
2035         returned_clock_description = bt_ctf_clock_get_description(clock);
2036         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
2037         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
2038                 "Clock description set successfully");
2039
2040         returned_clock_description = bt_ctf_clock_get_description(clock);
2041         ok(returned_clock_description,
2042                 "bt_ctf_clock_get_description returns a description.");
2043         ok(returned_clock_description ?
2044                 !strcmp(returned_clock_description, clock_description) : 0,
2045                 "Returned clock description is valid");
2046
2047         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
2048                 "bt_ctf_clock_get_frequency returns the correct default frequency");
2049         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
2050                 "Set clock frequency");
2051         ok(bt_ctf_clock_get_frequency(clock) == frequency,
2052                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
2053
2054         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
2055                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
2056         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
2057                 "Set clock offset (seconds)");
2058         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
2059                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
2060
2061         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
2062                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
2063         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
2064         ok(bt_ctf_clock_get_offset(clock) == offset,
2065                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
2066
2067         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
2068                 "bt_ctf_clock_get_precision returns the correct default precision");
2069         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
2070                 "Set clock precision");
2071         ok(bt_ctf_clock_get_precision(clock) == precision,
2072                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
2073
2074         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
2075                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
2076         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
2077                 "Set clock absolute property");
2078         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
2079                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
2080
2081         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
2082                 "bt_ctf_clock_get_time returns the correct default time");
2083         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
2084                 "Set clock time");
2085         ok(bt_ctf_clock_get_time(clock) == current_time,
2086                 "bt_ctf_clock_get_time returns the correct time once it is set");
2087
2088         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
2089                 "Add clock to writer instance");
2090         ok(bt_ctf_writer_add_clock(writer, clock),
2091                 "Verify a clock can't be added twice to a writer instance");
2092
2093         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
2094                 "bt_ctf_trace_get_clock_count correctly handles NULL");
2095         ok(bt_ctf_trace_get_clock_count(trace) == 1,
2096                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
2097         ok(!bt_ctf_trace_get_clock(NULL, 0),
2098                 "bt_ctf_trace_get_clock correctly handles NULL");
2099         ok(!bt_ctf_trace_get_clock(trace, -1),
2100                 "bt_ctf_trace_get_clock correctly handles negative indexes");
2101         ok(!bt_ctf_trace_get_clock(trace, 1),
2102                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
2103         ret_clock = bt_ctf_trace_get_clock(trace, 0);
2104         ok(ret_clock == clock,
2105                 "bt_ctf_trace_get_clock returns the right clock instance");
2106         bt_ctf_clock_put(ret_clock);
2107         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
2108                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
2109         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
2110                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
2111         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
2112                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
2113         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
2114         ok(ret_clock == clock,
2115                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
2116         bt_ctf_clock_put(ret_clock);
2117         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
2118                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
2119
2120         ok(!bt_ctf_clock_get_name(NULL),
2121                 "bt_ctf_clock_get_name correctly handles NULL");
2122         ok(!bt_ctf_clock_get_description(NULL),
2123                 "bt_ctf_clock_get_description correctly handles NULL");
2124         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
2125                 "bt_ctf_clock_get_frequency correctly handles NULL");
2126         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
2127                 "bt_ctf_clock_get_precision correctly handles NULL");
2128         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
2129                 "bt_ctf_clock_get_offset_s correctly handles NULL");
2130         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
2131                 "bt_ctf_clock_get_offset correctly handles NULL");
2132         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
2133                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
2134         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
2135                 "bt_ctf_clock_get_time correctly handles NULL");
2136
2137         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
2138                 "bt_ctf_clock_set_description correctly handles NULL clock");
2139         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
2140                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
2141         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
2142                 "bt_ctf_clock_get_precision correctly handles NULL clock");
2143         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
2144                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
2145         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
2146                 "bt_ctf_clock_set_offset correctly handles NULL clock");
2147         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
2148                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
2149         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
2150                 "bt_ctf_clock_set_time correctly handles NULL clock");
2151         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
2152                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
2153         ret_uuid = bt_ctf_clock_get_uuid(clock);
2154         ok(ret_uuid,
2155                 "bt_ctf_clock_get_uuid returns a UUID");
2156         if (ret_uuid) {
2157                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
2158                 /* Slightly modify UUID */
2159                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
2160         }
2161
2162         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
2163                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
2164         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
2165                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
2166         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
2167                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
2168         ret_uuid = bt_ctf_clock_get_uuid(clock);
2169         ok(ret_uuid,
2170                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
2171         ok(uuid_match(ret_uuid, tmp_uuid),
2172                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
2173
2174         /* Define a stream class */
2175         stream_class = bt_ctf_stream_class_create("test_stream");
2176
2177         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
2178                 "bt_ctf_stream_class_get_name handles NULL correctly");
2179         ret_string = bt_ctf_stream_class_get_name(stream_class);
2180         ok(ret_string && !strcmp(ret_string, "test_stream"),
2181                 "bt_ctf_stream_class_get_name returns a correct stream class name");
2182
2183         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
2184                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
2185         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
2186                 "bt_ctf_stream_class_get_clock handles NULL correctly");
2187
2188         ok(stream_class, "Create stream class");
2189         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
2190                 "Set a stream class' clock");
2191         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
2192         ok(ret_clock == clock,
2193                 "bt_ctf_stream_class_get_clock returns a correct clock");
2194         bt_ctf_clock_put(ret_clock);
2195
2196         /* Test the event fields and event types APIs */
2197         type_field_tests();
2198
2199         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
2200                 "bt_ctf_stream_class_get_id returns an error when no id is set");
2201         ok(bt_ctf_stream_class_get_id(NULL) < 0,
2202                 "bt_ctf_stream_class_get_id handles NULL correctly");
2203         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
2204                 "bt_ctf_stream_class_set_id handles NULL correctly");
2205         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
2206                 "Set an stream class' id");
2207         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
2208                 "bt_ctf_stream_class_get_id returns the correct value");
2209
2210         /* Validate default event header fields */
2211         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
2212                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
2213         ret_field_type = bt_ctf_stream_class_get_event_header_type(
2214                 stream_class);
2215         ok(ret_field_type,
2216                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
2217         ok(bt_ctf_field_type_get_type_id(ret_field_type) == CTF_TYPE_STRUCT,
2218                 "Default event header type is a structure");
2219         event_header_field_type =
2220                 bt_ctf_field_type_structure_get_field_type_by_name(
2221                 ret_field_type, "id");
2222         ok(event_header_field_type,
2223                 "Default event header type contains an \"id\" field");
2224         ok(bt_ctf_field_type_get_type_id(
2225                 event_header_field_type) == CTF_TYPE_INTEGER,
2226                 "Default event header \"id\" field is an integer");
2227         bt_ctf_field_type_put(event_header_field_type);
2228         event_header_field_type =
2229                 bt_ctf_field_type_structure_get_field_type_by_name(
2230                 ret_field_type, "timestamp");
2231         ok(event_header_field_type,
2232                 "Default event header type contains a \"timestamp\" field");
2233         ok(bt_ctf_field_type_get_type_id(
2234                 event_header_field_type) == CTF_TYPE_INTEGER,
2235                 "Default event header \"timestamp\" field is an integer");
2236         bt_ctf_field_type_put(event_header_field_type);
2237         bt_ctf_field_type_put(ret_field_type);
2238
2239         /* Add a custom trace packet header field */
2240         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
2241                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
2242         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
2243         ok(packet_header_type,
2244                 "bt_ctf_trace_get_packet_header_type returns a packet header");
2245         ok(bt_ctf_field_type_get_type_id(packet_header_type) == CTF_TYPE_STRUCT,
2246                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
2247         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2248                 packet_header_type, "magic");
2249         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
2250         bt_ctf_field_type_put(ret_field_type);
2251         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2252                 packet_header_type, "uuid");
2253         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
2254         bt_ctf_field_type_put(ret_field_type);
2255         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
2256                 packet_header_type, "stream_id");
2257         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
2258         bt_ctf_field_type_put(ret_field_type);
2259
2260         packet_header_field_type = bt_ctf_field_type_integer_create(22);
2261         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
2262                 packet_header_field_type, "custom_trace_packet_header_field"),
2263                 "Added a custom trace packet header field successfully");
2264
2265         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
2266                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
2267         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
2268                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
2269         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
2270                 "Set a trace packet_header_type successfully");
2271
2272         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
2273                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
2274
2275         /* Add a custom field to the stream class' packet context */
2276         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
2277         ok(packet_context_type,
2278                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
2279         ok(bt_ctf_field_type_get_type_id(packet_context_type) == CTF_TYPE_STRUCT,
2280                 "Packet context is a structure");
2281
2282         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
2283                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
2284         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
2285                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
2286
2287         integer_type = bt_ctf_field_type_integer_create(32);
2288         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
2289                 integer_type) < 0,
2290                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
2291         /* Create a "uint5_t" equivalent custom packet context field */
2292         packet_context_field_type = bt_ctf_field_type_integer_create(5);
2293
2294         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2295                 packet_context_field_type, "custom_packet_context_field");
2296         ok(ret == 0, "Packet context field added successfully");
2297
2298         /* Define a stream event context containing a my_integer field. */
2299         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
2300                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
2301         ok(bt_ctf_stream_class_get_event_context_type(
2302                 stream_class) == NULL,
2303                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
2304         stream_event_context_type = bt_ctf_field_type_structure_create();
2305         bt_ctf_field_type_structure_add_field(stream_event_context_type,
2306                 integer_type, "common_event_context");
2307
2308         ok(bt_ctf_stream_class_set_event_context_type(NULL,
2309                 stream_event_context_type) < 0,
2310                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
2311         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2312                 NULL) < 0,
2313                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
2314         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
2315                 integer_type) < 0,
2316                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
2317
2318         ok(bt_ctf_stream_class_set_event_context_type(
2319                 stream_class, stream_event_context_type) == 0,
2320                 "Set a new stream event context type");
2321         ret_field_type = bt_ctf_stream_class_get_event_context_type(
2322                 stream_class);
2323         ok(ret_field_type == stream_event_context_type,
2324                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
2325         bt_ctf_field_type_put(ret_field_type);
2326
2327         /* Instantiate a stream and append events */
2328         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
2329         ok(stream1, "Instanciate a stream class from writer");
2330
2331         ok(bt_ctf_stream_get_class(NULL) == NULL,
2332                 "bt_ctf_stream_get_class correctly handles NULL");
2333         ret_stream_class = bt_ctf_stream_get_class(stream1);
2334         ok(ret_stream_class,
2335                 "bt_ctf_stream_get_class returns a stream class");
2336         ok(ret_stream_class == stream_class,
2337                 "Returned stream class is of the correct type");
2338
2339         /*
2340          * Try to modify the packet context type after a stream has been
2341          * created.
2342          */
2343         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
2344                 packet_header_field_type, "should_fail");
2345         ok(ret < 0,
2346                 "Trace packet header type can't be modified once a stream has been instanciated");
2347
2348         /*
2349          * Try to modify the packet context type after a stream has been
2350          * created.
2351          */
2352         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
2353                 packet_context_field_type, "should_fail");
2354         ok(ret < 0,
2355                 "Packet context type can't be modified once a stream has been instanciated");
2356
2357         /*
2358          * Try to modify the stream event context type after a stream has been
2359          * created.
2360          */
2361         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
2362                 integer_type, "should_fail");
2363         ok(ret < 0,
2364                 "Stream event context type can't be modified once a stream has been instanciated");
2365
2366         /* Should fail after instanciating a stream (frozen) */
2367         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
2368                 "Changes to a stream class that was already instantiated fail");
2369
2370         /* Populate the custom packet header field only once for all tests */
2371         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
2372                 "bt_ctf_stream_get_packet_header handles NULL correctly");
2373         packet_header = bt_ctf_stream_get_packet_header(stream1);
2374         ok(packet_header,
2375                 "bt_ctf_stream_get_packet_header returns a packet header");
2376         ret_field_type = bt_ctf_field_get_type(packet_header);
2377         ok(ret_field_type == packet_header_type,
2378                 "Stream returns a packet header of the appropriate type");
2379         bt_ctf_field_type_put(ret_field_type);
2380         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
2381                 "custom_trace_packet_header_field");
2382         ok(packet_header_field,
2383                 "Packet header structure contains a custom field with the appropriate name");
2384         ret_field_type = bt_ctf_field_get_type(packet_header_field);
2385         ok(ret_field_type == packet_header_field_type,
2386                 "Custom packet header field is of the expected type");
2387         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
2388                 54321), "Set custom packet header value successfully");
2389         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
2390                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
2391         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
2392                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
2393         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
2394                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
2395         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
2396                 "Successfully set a stream's packet header");
2397
2398         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
2399                 "Add environment field to writer after stream creation");
2400
2401         test_instanciate_event_before_stream(writer);
2402
2403         append_simple_event(stream_class, stream1, clock);
2404
2405         packet_resize_test(stream_class, stream1, clock);
2406
2407         append_complex_event(stream_class, stream1, clock);
2408
2409         append_existing_event_class(stream_class);
2410
2411         test_empty_stream(writer);
2412
2413         metadata_string = bt_ctf_writer_get_metadata_string(writer);
2414         ok(metadata_string, "Get metadata string");
2415
2416         bt_ctf_writer_flush_metadata(writer);
2417         validate_metadata(argv[1], metadata_path);
2418         validate_trace(argv[2], trace_path);
2419
2420         bt_ctf_clock_put(clock);
2421         bt_ctf_stream_class_put(ret_stream_class);
2422         bt_ctf_writer_put(writer);
2423         bt_ctf_stream_put(stream1);
2424         bt_ctf_field_type_put(packet_context_type);
2425         bt_ctf_field_type_put(packet_context_field_type);
2426         bt_ctf_field_type_put(integer_type);
2427         bt_ctf_field_type_put(stream_event_context_type);
2428         bt_ctf_field_type_put(ret_field_type);
2429         bt_ctf_field_type_put(packet_header_type);
2430         bt_ctf_field_type_put(packet_header_field_type);
2431         bt_ctf_field_put(packet_header);
2432         bt_ctf_field_put(packet_header_field);
2433         bt_ctf_trace_put(trace);
2434         free(metadata_string);
2435
2436         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2437                 "bt_ctf_stream_class_get_trace returns NULL after its trace has been reclaimed");
2438         bt_ctf_stream_class_put(stream_class);
2439
2440         /* Remove all trace files and delete temporary trace directory */
2441         DIR *trace_dir = opendir(trace_path);
2442         if (!trace_dir) {
2443                 perror("# opendir");
2444                 return -1;
2445         }
2446
2447         struct dirent *entry;
2448         while ((entry = readdir(trace_dir))) {
2449                 if (entry->d_type == DT_REG) {
2450                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
2451                 }
2452         }
2453
2454         rmdir(trace_path);
2455         closedir(trace_dir);
2456         return 0;
2457 }