tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ref.h>
  30 #include <babeltrace/ctf/events.h>
  31 #include <babeltrace/values.h>
  32 #include <unistd.h>
  33 #include <babeltrace/compat/stdlib.h>
  34 #include <stdio.h>
  35 #include <sys/utsname.h>
  36 #include <babeltrace/compat/limits.h>
  37 #include <babeltrace/compat/stdio.h>
  38 #include <string.h>
  39 #include <assert.h>
  40 #include <sys/wait.h>
  41 #include <fcntl.h>
  42 #include <babeltrace/compat/dirent.h>
  43 #include "tap/tap.h"
  44 #include <math.h>
  45 #include <float.h>
  46 #include <sys/stat.h>
  47
  48 #define METADATA_LINE_SIZE 512
  49 #define SEQUENCE_TEST_LENGTH 10
  50 #define ARRAY_TEST_LENGTH 5
  51 #define PACKET_RESIZE_TEST_LENGTH 100000
  52
  53 #define DEFAULT_CLOCK_FREQ 1000000000
  54 #define DEFAULT_CLOCK_PRECISION 1
  55 #define DEFAULT_CLOCK_OFFSET 0
  56 #define DEFAULT_CLOCK_OFFSET_S 0
  57 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  58 #define DEFAULT_CLOCK_TIME 0
  59 #define DEFAULT_CLOCK_VALUE 0
  60
  61 #define NR_TESTS 590
  62
  63 static int64_t current_time = 42;
  64
  65 /* Return 1 if uuids match, zero if different. */
  66 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  67 {
  68         int ret = 0;
  69         int i;
  70
  71         if (!uuid_a || !uuid_b) {
  72                 goto end;
  73         }
  74
  75         for (i = 0; i < 16; i++) {
  76                 if (uuid_a[i] != uuid_b[i]) {
  77                         goto end;
  78                 }
  79         }
  80
  81         ret = 1;
  82 end:
  83         return ret;
  84 }
  85
  86 void validate_metadata(char *parser_path, char *metadata_path)
  87 {
  88         int ret = 0;
  89         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  90         int parser_output_fd = -1, metadata_fd = -1;
  91
  92         if (!metadata_path) {
  93                 ret = -1;
  94                 goto result;
  95         }
  96
  97         parser_output_fd = mkstemp(parser_output_path);
  98         metadata_fd = open(metadata_path, O_RDONLY);
  99
 100         unlink(parser_output_path);
 101
 102         if (parser_output_fd == -1 || metadata_fd == -1) {
 103                 diag("Failed create temporary files for metadata parsing.");
 104                 ret = -1;
 105                 goto result;
 106         }
 107
 108         pid_t pid = fork();
 109         if (pid) {
 110                 int status = 0;
 111                 waitpid(pid, &status, 0);
 112                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 113         } else {
 114                 /* ctf-parser-test expects a metadata string on stdin. */
 115                 ret = dup2(metadata_fd, STDIN_FILENO);
 116                 if (ret < 0) {
 117                         perror("# dup2 metadata_fd to STDIN");
 118                         goto result;
 119                 }
 120
 121                 ret = dup2(parser_output_fd, STDOUT_FILENO);
 122                 if (ret < 0) {
 123                         perror("# dup2 parser_output_fd to STDOUT");
 124                         goto result;
 125                 }
 126
 127                 ret = dup2(parser_output_fd, STDERR_FILENO);
 128                 if (ret < 0) {
 129                         perror("# dup2 parser_output_fd to STDERR");
 130                         goto result;
 131                 }
 132
 133                 execl(parser_path, "ctf-parser-test", NULL);
 134                 perror("# Could not launch the ctf metadata parser process");
 135                 exit(-1);
 136         }
 137 result:
 138         ok(ret == 0, "Metadata string is valid");
 139
 140         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 141                 char *line;
 142                 size_t len = METADATA_LINE_SIZE;
 143                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 144
 145                 metadata_fp = fdopen(metadata_fd, "r");
 146                 if (!metadata_fp) {
 147                         perror("fdopen on metadata_fd");
 148                         goto close_fp;
 149                 }
 150                 metadata_fd = -1;
 151
 152                 parser_output_fp = fdopen(parser_output_fd, "r");
 153                 if (!parser_output_fp) {
 154                         perror("fdopen on parser_output_fd");
 155                         goto close_fp;
 156                 }
 157                 parser_output_fd = -1;
 158
 159                 line = malloc(len);
 160                 if (!line) {
 161                         diag("malloc failure");
 162                 }
 163
 164                 rewind(metadata_fp);
 165
 166                 /* Output the metadata and parser output as diagnostic */
 167                 while (bt_getline(&line, &len, metadata_fp) > 0) {
 168                         fprintf(stderr, "# %s", line);
 169                 }
 170
 171                 rewind(parser_output_fp);
 172                 while (bt_getline(&line, &len, parser_output_fp) > 0) {
 173                         fprintf(stderr, "# %s", line);
 174                 }
 175
 176                 free(line);
 177 close_fp:
 178                 if (metadata_fp) {
 179                         if (fclose(metadata_fp)) {
 180                                 diag("fclose failure");
 181                         }
 182                 }
 183                 if (parser_output_fp) {
 184                         if (fclose(parser_output_fp)) {
 185                                 diag("fclose failure");
 186                         }
 187                 }
 188         }
 189
 190         if (parser_output_fd >= 0) {
 191                 if (close(parser_output_fd)) {
 192                         diag("close error");
 193                 }
 194         }
 195         if (metadata_fd >= 0) {
 196                 if (close(metadata_fd)) {
 197                         diag("close error");
 198                 }
 199         }
 200 }
 201
 202 void validate_trace(char *parser_path, char *trace_path)
 203 {
 204         int ret = 0;
 205         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 206         int babeltrace_output_fd = -1;
 207
 208         if (!trace_path) {
 209                 ret = -1;
 210                 goto result;
 211         }
 212
 213         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 214         unlink(babeltrace_output_path);
 215
 216         if (babeltrace_output_fd == -1) {
 217                 diag("Failed to create a temporary file for trace parsing.");
 218                 ret = -1;
 219                 goto result;
 220         }
 221
 222         pid_t pid = fork();
 223         if (pid) {
 224                 int status = 0;
 225                 waitpid(pid, &status, 0);
 226                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 227         } else {
 228                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 229                 if (ret < 0) {
 230                         perror("# dup2 babeltrace_output_fd to STDOUT");
 231                         goto result;
 232                 }
 233
 234                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 235                 if (ret < 0) {
 236                         perror("# dup2 babeltrace_output_fd to STDERR");
 237                         goto result;
 238                 }
 239
 240                 execl(parser_path, "babeltrace", trace_path, NULL);
 241                 perror("# Could not launch the babeltrace process");
 242                 exit(-1);
 243         }
 244 result:
 245         ok(ret == 0, "Babeltrace could read the resulting trace");
 246
 247         if (ret && babeltrace_output_fd >= 0) {
 248                 char *line;
 249                 size_t len = METADATA_LINE_SIZE;
 250                 FILE *babeltrace_output_fp = NULL;
 251
 252                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 253                 if (!babeltrace_output_fp) {
 254                         perror("fdopen on babeltrace_output_fd");
 255                         goto close_fp;
 256                 }
 257                 babeltrace_output_fd = -1;
 258
 259                 line = malloc(len);
 260                 if (!line) {
 261                         diag("malloc error");
 262                 }
 263                 rewind(babeltrace_output_fp);
 264                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 265                         diag("%s", line);
 266                 }
 267
 268                 free(line);
 269 close_fp:
 270                 if (babeltrace_output_fp) {
 271                         if (fclose(babeltrace_output_fp)) {
 272                                 diag("fclose error");
 273                         }
 274                 }
 275         }
 276
 277         if (babeltrace_output_fd >= 0) {
 278                 if (close(babeltrace_output_fd)) {
 279                         diag("close error");
 280                 }
 281         }
 282 }
 283
 284 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 285                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 286 {
 287         /* Create and add a simple event class */
 288         struct bt_ctf_event_class *simple_event_class =
 289                 bt_ctf_event_class_create("Simple Event");
 290         struct bt_ctf_field_type *uint_12_type =
 291                 bt_ctf_field_type_integer_create(12);
 292         struct bt_ctf_field_type *int_64_type =
 293                 bt_ctf_field_type_integer_create(64);
 294         struct bt_ctf_field_type *float_type =
 295                 bt_ctf_field_type_floating_point_create();
 296         struct bt_ctf_field_type *enum_type;
 297         struct bt_ctf_field_type *enum_type_unsigned =
 298                 bt_ctf_field_type_enumeration_create(uint_12_type);
 299         struct bt_ctf_field_type *event_context_type =
 300                 bt_ctf_field_type_structure_create();
 301         struct bt_ctf_field_type *event_payload_type = NULL;
 302         struct bt_ctf_field_type *returned_type;
 303         struct bt_ctf_event *simple_event;
 304         struct bt_ctf_field *integer_field;
 305         struct bt_ctf_field *float_field;
 306         struct bt_ctf_field *enum_field;
 307         struct bt_ctf_field *enum_field_unsigned;
 308         struct bt_ctf_field *enum_container_field;
 309         const char *mapping_name_test = "truie";
 310         const double double_test_value = 3.1415;
 311         struct bt_ctf_field *enum_container_field_unsigned;
 312         const char *mapping_name_negative_test = "negative_value";
 313         const char *ret_char;
 314         double ret_double;
 315         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 316         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 317         struct bt_ctf_clock *ret_clock;
 318         struct bt_ctf_event_class *ret_event_class;
 319         struct bt_ctf_field *packet_context;
 320         struct bt_ctf_field *packet_context_field;
 321         struct bt_ctf_field *stream_event_context;
 322         struct bt_ctf_field *stream_event_context_field;
 323         struct bt_ctf_field *event_context;
 324         struct bt_ctf_field *event_context_field;
 325         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 326         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 327         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 328         int ret;
 329
 330         ok(uint_12_type, "Create an unsigned integer type");
 331
 332         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 333         ok(int_64_type, "Create a signed integer type");
 334         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 335
 336         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 337         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 338         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 339         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 340                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 341         bt_put(returned_type);
 342
 343         bt_ctf_field_type_set_alignment(float_type, 32);
 344         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 345                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 346         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 347                 "bt_ctf_field_type_get_alignment returns a correct value");
 348
 349         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 350                 "Set a floating point type's exponent digit count");
 351         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 352                 "Set a floating point type's mantissa digit count");
 353
 354         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 355                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 356         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 357                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 358         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 359                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 360         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 361                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 362
 363         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 364                 mapping_name_negative_test, -12345, 0) == 0,
 365                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 366         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 367                 "escaping; \"test\"", 1, 1) == 0,
 368                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 369         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 370                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 371                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 372         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 373                 "event clock int float", 5, 22) == 0,
 374                 "Accept enumeration mapping strings containing reserved keywords");
 375         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 376                 42, 42);
 377         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 378                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 379         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 380                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 381         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 382                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 383         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 384
 385         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42) < 0,
 386                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 387         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000) < 0,
 388                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 389         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55) == 1,
 390                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 391
 392         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 393                 "enum_field") == 0, "Add signed enumeration field to event");
 394
 395         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 396                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 397                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 398         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 399                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 400                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 401         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 402                 NULL, &ret_range_end_int64_t) < 0,
 403                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 404         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 405                 &ret_range_start_int64_t, NULL) < 0,
 406                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 407         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 408                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 409                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 410         ok(!strcmp(ret_char, mapping_name_test),
 411                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 412         ok(ret_range_start_int64_t == 42,
 413                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 414         ok(ret_range_end_int64_t == 42,
 415                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 416
 417         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 418                 "escaping; \"test\"", 0, 0) == 0,
 419                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 420         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 421                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 422                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 423         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 424                 "event clock int float", 5, 22) == 0,
 425                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 426         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 427                 42, 42);
 428         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 429                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 430         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 431                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 432         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 433                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 434         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 435                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 436
 437         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 438                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 439         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 440                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 441
 442         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 443                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 444                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 445         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 446                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 447                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 448         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 449                 NULL, &ret_range_end_uint64_t) < 0,
 450                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 451         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 452                 &ret_range_start_uint64_t, NULL) < 0,
 453                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 454         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 455                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 456                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 457         ok(!strcmp(ret_char, mapping_name_test),
 458                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 459         ok(ret_range_start_uint64_t == 42,
 460                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 461         ok(ret_range_end_uint64_t == 42,
 462                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 463
 464         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 465                 "integer_field");
 466         bt_ctf_event_class_add_field(simple_event_class, float_type,
 467                 "float_field");
 468
 469         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 470
 471         /* Set an event context type which will contain a single integer*/
 472         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 473                 "event_specific_context"),
 474                 "Add event specific context field");
 475         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 476                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 477         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 478                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 479
 480         ok(bt_ctf_event_class_set_context_type(simple_event_class, NULL) < 0,
 481                 "bt_ctf_event_class_set_context_type handles a NULL context type correctly");
 482         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 483                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 484         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 485                 "Set an event class' context type successfully");
 486         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 487         ok(returned_type == event_context_type,
 488                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 489         bt_put(returned_type);
 490
 491         bt_ctf_stream_class_add_event_class(stream_class, simple_event_class);
 492
 493         /*
 494          * bt_ctf_stream_class_add_event_class() copies the field types
 495          * of simple_event_class, so we retrieve the new ones to create
 496          * the appropriate fields.
 497          */
 498         BT_PUT(event_context_type);
 499         BT_PUT(event_payload_type);
 500         event_payload_type = bt_ctf_event_class_get_payload_type(
 501                 simple_event_class);
 502         assert(event_payload_type);
 503         event_context_type = bt_ctf_event_class_get_context_type(
 504                 simple_event_class);
 505         assert(event_context_type);
 506         ep_integer_field_type =
 507                 bt_ctf_field_type_structure_get_field_type_by_name(
 508                         event_payload_type, "integer_field");
 509         assert(ep_integer_field_type);
 510         ep_enum_field_type =
 511                 bt_ctf_field_type_structure_get_field_type_by_name(
 512                         event_payload_type, "enum_field");
 513         assert(ep_enum_field_type);
 514         ep_enum_field_unsigned_type =
 515                 bt_ctf_field_type_structure_get_field_type_by_name(
 516                         event_payload_type, "enum_field_unsigned");
 517         assert(ep_enum_field_unsigned_type);
 518
 519         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 520                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 521         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 522                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 523         ok(bt_ctf_stream_class_get_event_class(NULL, 0) == NULL,
 524                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 525         ok(bt_ctf_stream_class_get_event_class(stream_class, 8724) == NULL,
 526                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 527         ret_event_class = bt_ctf_stream_class_get_event_class(stream_class, 0);
 528         ok(ret_event_class == simple_event_class,
 529                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 530         bt_put(ret_event_class);
 531         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 532                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 533         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 534                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 535         ret_event_class =
 536                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 537         ok(ret_event_class == simple_event_class,
 538                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 539         bt_put(ret_event_class);
 540
 541         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 542                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 543         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 544                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 545         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 546                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 547         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 548         ok(ret_event_class == simple_event_class,
 549                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 550         bt_put(ret_event_class);
 551
 552         simple_event = bt_ctf_event_create(simple_event_class);
 553         ok(simple_event,
 554                 "Instantiate an event containing a single integer field");
 555
 556         ok(bt_ctf_event_get_clock(NULL) == NULL,
 557                 "bt_ctf_event_get_clock handles NULL correctly");
 558         ret_clock = bt_ctf_event_get_clock(simple_event);
 559         ok(ret_clock == clock,
 560                 "bt_ctf_event_get_clock returns a correct clock");
 561         bt_put(clock);
 562
 563         integer_field = bt_ctf_field_create(ep_integer_field_type);
 564         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 565         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 566                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 567
 568         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 569         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 570                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 571         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 572         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 573                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 574         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 575                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 576         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 577                 "bt_ctf_field_floating_point_get_value returns a double value");
 578         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 579                 "bt_ctf_field_floating_point_get_value returns a correct value");
 580
 581         enum_field = bt_ctf_field_create(ep_enum_field_type);
 582         assert(enum_field);
 583         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 584         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 585         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 586         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 587         enum_container_field = bt_ctf_field_enumeration_get_container(
 588                 enum_field);
 589         ok(bt_ctf_field_signed_integer_set_value(
 590                 enum_container_field, -42) == 0,
 591                 "Set signed enumeration container value");
 592         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 593         ok(!strcmp(ret_char, mapping_name_negative_test),
 594                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 595         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 596         assert(!ret);
 597
 598         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 599         assert(enum_field_unsigned);
 600         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 601                 enum_field_unsigned);
 602         ok(bt_ctf_field_unsigned_integer_set_value(
 603                 enum_container_field_unsigned, 42) == 0,
 604                 "Set unsigned enumeration container value");
 605         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 606                 enum_field_unsigned);
 607         assert(!ret);
 608         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 609         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 610                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 611
 612         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 613
 614         /* Populate stream event context */
 615         stream_event_context =
 616                 bt_ctf_event_get_stream_event_context(simple_event);
 617         assert(stream_event_context);
 618         stream_event_context_field = bt_ctf_field_structure_get_field(
 619                 stream_event_context, "common_event_context");
 620         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 621
 622         /* Populate the event's context */
 623         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 624                 "bt_ctf_event_get_event_context handles NULL correctly");
 625         event_context = bt_ctf_event_get_event_context(simple_event);
 626         ok(event_context,
 627                 "bt_ctf_event_get_event_context returns a field");
 628         returned_type = bt_ctf_field_get_type(event_context);
 629         ok(returned_type == event_context_type,
 630                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 631         event_context_field = bt_ctf_field_structure_get_field(event_context,
 632                 "event_specific_context");
 633         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 634                 "Successfully set an event context's value");
 635         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 636                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 637         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 638                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 639         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 640                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 641         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 642                 "Set an event context successfully");
 643
 644         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 645                 "Append simple event to trace stream");
 646
 647         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 648                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 649         packet_context = bt_ctf_stream_get_packet_context(stream);
 650         ok(packet_context,
 651                 "bt_ctf_stream_get_packet_context returns a packet context");
 652
 653         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 654                 "packet_size");
 655         ok(packet_context_field,
 656                 "Packet context contains the default packet_size field.");
 657         bt_put(packet_context_field);
 658         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 659                 "custom_packet_context_field");
 660         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 661                 "Custom packet context field value successfully set.");
 662
 663         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 664                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 665         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 666                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 667         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 668                 "Successfully set a stream's packet context");
 669
 670         ok(bt_ctf_stream_flush(stream) == 0,
 671                 "Flush trace stream with one event");
 672
 673         bt_put(simple_event_class);
 674         bt_put(simple_event);
 675         bt_put(uint_12_type);
 676         bt_put(int_64_type);
 677         bt_put(float_type);
 678         bt_put(enum_type);
 679         bt_put(enum_type_unsigned);
 680         bt_put(returned_type);
 681         bt_put(event_context_type);
 682         bt_put(integer_field);
 683         bt_put(float_field);
 684         bt_put(enum_field);
 685         bt_put(enum_field_unsigned);
 686         bt_put(enum_container_field);
 687         bt_put(enum_container_field_unsigned);
 688         bt_put(packet_context);
 689         bt_put(packet_context_field);
 690         bt_put(stream_event_context);
 691         bt_put(stream_event_context_field);
 692         bt_put(event_context);
 693         bt_put(event_context_field);
 694         bt_put(event_payload_type);
 695         bt_put(ep_integer_field_type);
 696         bt_put(ep_enum_field_type);
 697         bt_put(ep_enum_field_unsigned_type);
 698 }
 699
 700 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 701                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 702 {
 703         struct event_class_attrs_counts {
 704                 int id;
 705                 int name;
 706                 int loglevel;
 707                 int modelemfuri;
 708                 int unknown;
 709         } attrs_count;
 710
 711         int i;
 712         int ret;
 713         int64_t int64_value;
 714         struct event_class_attrs_counts ;
 715         const char *complex_test_event_string = "Complex Test Event";
 716         const char *test_string_1 = "Test ";
 717         const char *test_string_2 = "string ";
 718         const char *test_string_3 = "abcdefghi";
 719         const char *test_string_4 = "abcd\0efg\0hi";
 720         const char *test_string_cat = "Test string abcdeabcd";
 721         struct bt_ctf_field_type *uint_35_type =
 722                 bt_ctf_field_type_integer_create(35);
 723         struct bt_ctf_field_type *int_16_type =
 724                 bt_ctf_field_type_integer_create(16);
 725         struct bt_ctf_field_type *uint_3_type =
 726                 bt_ctf_field_type_integer_create(3);
 727         struct bt_ctf_field_type *enum_variant_type =
 728                 bt_ctf_field_type_enumeration_create(uint_3_type);
 729         struct bt_ctf_field_type *variant_type =
 730                 bt_ctf_field_type_variant_create(enum_variant_type,
 731                         "variant_selector");
 732         struct bt_ctf_field_type *string_type =
 733                 bt_ctf_field_type_string_create();
 734         struct bt_ctf_field_type *sequence_type;
 735         struct bt_ctf_field_type *array_type;
 736         struct bt_ctf_field_type *inner_structure_type =
 737                 bt_ctf_field_type_structure_create();
 738         struct bt_ctf_field_type *complex_structure_type =
 739                 bt_ctf_field_type_structure_create();
 740         struct bt_ctf_field_type *ret_field_type;
 741         struct bt_ctf_event_class *event_class;
 742         struct bt_ctf_event *event;
 743         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 744                 *inner_structure_field, *complex_structure_field,
 745                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 746                 *variant_field, *an_array_field, *stream_event_ctx_field,
 747                 *stream_event_ctx_int_field, *ret_field;
 748         uint64_t ret_unsigned_int;
 749         int64_t ret_signed_int;
 750         const char *ret_string;
 751         struct bt_ctf_stream_class *ret_stream_class;
 752         struct bt_ctf_event_class *ret_event_class;
 753         struct bt_ctf_field *packet_context, *packet_context_field;
 754         struct bt_value *obj;
 755
 756         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 757                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 758         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 759                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 760         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 761                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 762         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 763                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 764         bt_ctf_field_type_set_alignment(int_16_type, 32);
 765         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 766         bt_ctf_field_type_integer_set_base(uint_35_type,
 767                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 768
 769         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 770         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 771                 "seq_len");
 772
 773         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 774                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 775         ret_field_type = bt_ctf_field_type_array_get_element_type(
 776                 array_type);
 777         ok(ret_field_type == int_16_type,
 778                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 779         bt_put(ret_field_type);
 780
 781         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 782                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 783         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 784                 "bt_ctf_field_type_array_get_length returns the correct length");
 785
 786         bt_ctf_field_type_structure_add_field(inner_structure_type,
 787                 uint_35_type, "seq_len");
 788         bt_ctf_field_type_structure_add_field(inner_structure_type,
 789                 sequence_type, "a_sequence");
 790         bt_ctf_field_type_structure_add_field(inner_structure_type,
 791                 array_type, "an_array");
 792
 793         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 794                 "UINT3_TYPE", 0, 0);
 795         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 796                 "INT16_TYPE", 1, 1);
 797         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 798                 "UINT35_TYPE", 2, 7);
 799
 800         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL,
 801                 "INT16_TYPE") < 0,
 802                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 803         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 804                 enum_variant_type, NULL) < 0,
 805                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 806         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(
 807                 enum_variant_type, "INT16_TYPE") == 1,
 808                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 809
 810         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1) < 0,
 811                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 812         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42) < 0,
 813                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 814         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5) == 2,
 815                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 816
 817         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 818                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 819         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 820                 "UINT3_TYPE") == 0, "Add a field to a variant");
 821         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 822                 "INT16_TYPE");
 823         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 824                 "UINT35_TYPE");
 825
 826         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 827                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 828         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 829         ok(ret_field_type == enum_variant_type,
 830                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 831         bt_put(ret_field_type);
 832
 833         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 834                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 835         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 836         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 837                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 838         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 839                 "INT16_TYPE") == NULL,
 840                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 841         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 842                 NULL) == NULL,
 843                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 844         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 845                 variant_type, "INT16_TYPE");
 846         ok(ret_field_type == int_16_type,
 847                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 848         bt_put(ret_field_type);
 849
 850         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 851                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 852         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 853                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 854
 855         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 856                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 857         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 858                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 859         bt_put(ret_field_type);
 860         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 861                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 862         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 863                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 864         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 865                 "bt_ctf_field_type_variant_get_field returns a field");
 866         ok(!strcmp("INT16_TYPE", ret_string),
 867                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 868         ok(ret_field_type == int_16_type,
 869                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 870         bt_put(ret_field_type);
 871
 872         bt_ctf_field_type_structure_add_field(complex_structure_type,
 873                 enum_variant_type, "variant_selector");
 874         bt_ctf_field_type_structure_add_field(complex_structure_type,
 875                 string_type, "a_string");
 876         bt_ctf_field_type_structure_add_field(complex_structure_type,
 877                 variant_type, "variant_value");
 878         bt_ctf_field_type_structure_add_field(complex_structure_type,
 879                 inner_structure_type, "inner_structure");
 880
 881         ok(bt_ctf_event_class_create("clock") == NULL,
 882                 "Reject creation of an event class with an illegal name");
 883         event_class = bt_ctf_event_class_create(complex_test_event_string);
 884         ok(event_class, "Create an event class");
 885         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 886                 "Reject addition of a field with an empty name to an event");
 887         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 888                 "Reject addition of a field with a NULL type to an event");
 889         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 890                 "int"),
 891                 "Reject addition of a type with an illegal name to an event");
 892         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 893                 "uint_35") == 0,
 894                 "Add field of type unsigned integer to an event");
 895         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 896                 "int_16") == 0, "Add field of type signed integer to an event");
 897         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 898                 "complex_structure") == 0,
 899                 "Add composite structure to an event");
 900
 901         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 902                 "bt_ctf_event_class_get_name handles NULL correctly");
 903         ret_string = bt_ctf_event_class_get_name(event_class);
 904         ok(!strcmp(ret_string, complex_test_event_string),
 905                 "bt_ctf_event_class_get_name returns a correct name");
 906         ok(bt_ctf_event_class_get_id(event_class) < 0,
 907                 "bt_ctf_event_class_get_id returns a negative value when not set");
 908         ok(bt_ctf_event_class_get_id(NULL) < 0,
 909                 "bt_ctf_event_class_get_id handles NULL correctly");
 910         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 911                 "bt_ctf_event_class_set_id handles NULL correctly");
 912         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 913                 "Set an event class' id");
 914         ok(bt_ctf_event_class_get_id(event_class) == 42,
 915                 "bt_ctf_event_class_get_id returns the correct value");
 916
 917         /* Test event class attributes */
 918         obj = bt_value_integer_create_init(15);
 919         assert(obj);
 920         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 921                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 922         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 923                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 924         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 925                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 926         assert(!bt_value_integer_set(obj, -3));
 927         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 928                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 929         assert(!bt_value_integer_set(obj, 11));
 930         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 931         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 932                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 933         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 934         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 935         ok(ret,
 936                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 937         BT_PUT(obj);
 938
 939         obj = bt_value_integer_create_init(5);
 940         assert(obj);
 941         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 942                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 943         BT_PUT(obj);
 944         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 945                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 946         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 947                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 948         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 949                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 950         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 951                 "loglevel");
 952         int64_value = 0;
 953         ret = bt_value_integer_get(obj, &int64_value);
 954         ok(obj && !ret && int64_value == 5,
 955                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 956         BT_PUT(obj);
 957
 958         obj = bt_value_string_create_init("nu name");
 959         assert(obj);
 960         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 961         ret_string = bt_ctf_event_class_get_name(event_class);
 962         ok(!strcmp(ret_string, "nu name"),
 963                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 964         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 965         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 966         ok(ret,
 967                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 968         BT_PUT(obj);
 969         obj = bt_value_string_create_init("http://kernel.org/");
 970         assert(obj);
 971         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 972         BT_PUT(obj);
 973
 974         ok(bt_ctf_event_class_get_attribute_count(NULL),
 975                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 976         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 977                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 978         ok(!bt_ctf_event_class_get_attribute_name(NULL, 0),
 979                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 980         ok(!bt_ctf_event_class_get_attribute_name(event_class, 4),
 981                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 982         ok(!bt_ctf_event_class_get_attribute_value(NULL, 0),
 983                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 984         ok(!bt_ctf_event_class_get_attribute_value(event_class, 4),
 985                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 986
 987         memset(&attrs_count, 0, sizeof(attrs_count));
 988
 989         for (i = 0; i < 4; ++i) {
 990                 ret_string = bt_ctf_event_class_get_attribute_name(event_class,
 991                         i);
 992                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
 993                 assert(ret_string && obj);
 994
 995                 if (!strcmp(ret_string, "id")) {
 996                         attrs_count.id++;
 997                         ok(bt_value_is_integer(obj),
 998                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 999                                 ret_string);
1000                 } else if (!strcmp(ret_string, "name")) {
1001                         attrs_count.name++;
1002                         ok(bt_value_is_string(obj),
1003                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1004                                 ret_string);
1005                 } else if (!strcmp(ret_string, "loglevel")) {
1006                         attrs_count.loglevel++;
1007                         ok(bt_value_is_integer(obj),
1008                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1009                                 ret_string);
1010                 } else if (!strcmp(ret_string, "model.emf.uri")) {
1011                         attrs_count.modelemfuri++;
1012                         ok(bt_value_is_string(obj),
1013                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
1014                                 ret_string);
1015                 } else {
1016                         attrs_count.unknown++;
1017                 }
1018
1019                 BT_PUT(obj);
1020         }
1021
1022         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
1023         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
1024                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
1025                 "event class has one instance of each known attribute");
1026
1027         /* Add event class to the stream class */
1028         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
1029                 "Reject addition of NULL event class to a stream class");
1030         ok(bt_ctf_stream_class_add_event_class(stream_class,
1031                 event_class) == 0, "Add an event class to stream class");
1032
1033         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
1034                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
1035         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
1036         ok(ret_stream_class == stream_class,
1037                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
1038         bt_put(ret_stream_class);
1039
1040         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
1041                 "bt_ctf_event_class_get_field_count handles NULL correctly");
1042         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
1043                 "bt_ctf_event_class_get_field_count returns a correct value");
1044
1045         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
1046                 &ret_field_type, 0) < 0,
1047                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
1048         ok(bt_ctf_event_class_get_field(event_class, NULL,
1049                 &ret_field_type, 0) == 0,
1050                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
1051         bt_put(ret_field_type);
1052         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1053                 NULL, 0) == 0,
1054                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
1055         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1056                 &ret_field_type, 42) < 0,
1057                 "bt_ctf_event_class_get_field handles an invalid index correctly");
1058         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
1059                 &ret_field_type, 0) == 0,
1060                 "bt_ctf_event_class_get_field returns a field");
1061         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
1062                 "bt_ctf_event_class_get_field returns a correct field type");
1063         bt_put(ret_field_type);
1064         ok(!strcmp(ret_string, "uint_35"),
1065                 "bt_ctf_event_class_get_field returns a correct field name");
1066         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
1067                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
1068         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
1069                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
1070         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
1071                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
1072         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
1073                 "complex_structure");
1074         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
1075                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
1076         bt_put(ret_field_type);
1077
1078         event = bt_ctf_event_create(event_class);
1079         ok(event, "Instanciate a complex event");
1080
1081         ok(bt_ctf_event_get_class(NULL) == NULL,
1082                 "bt_ctf_event_get_class handles NULL correctly");
1083         ret_event_class = bt_ctf_event_get_class(event);
1084         ok(ret_event_class == event_class,
1085                 "bt_ctf_event_get_class returns the correct event class");
1086         bt_put(ret_event_class);
1087
1088         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1089         if (!uint_35_field) {
1090                 printf("uint_35_field is NULL\n");
1091         }
1092
1093         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1094         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1095         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1096                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1097         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1098                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1099         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1100                 &ret_unsigned_int) == 0,
1101                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1102         ok(ret_unsigned_int == 0x0DDF00D,
1103                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1104         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1105                 &ret_signed_int) < 0,
1106                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1107         bt_put(uint_35_field);
1108
1109         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1110         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1111         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1112                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1113         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1114                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1115         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1116                 &ret_signed_int) == 0,
1117                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1118         ok(ret_signed_int == -12345,
1119                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1120         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1121                 &ret_unsigned_int) < 0,
1122                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1123         bt_put(int_16_field);
1124
1125         complex_structure_field = bt_ctf_event_get_payload(event,
1126                 "complex_structure");
1127
1128         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1129                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1130         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1131                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1132         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1133                 complex_structure_field, 3);
1134         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1135         bt_put(inner_structure_field);
1136         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1137                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1138         bt_put(ret_field_type);
1139
1140         inner_structure_field = bt_ctf_field_structure_get_field(
1141                 complex_structure_field, "inner_structure");
1142         a_string_field = bt_ctf_field_structure_get_field(
1143                 complex_structure_field, "a_string");
1144         enum_variant_field = bt_ctf_field_structure_get_field(
1145                 complex_structure_field, "variant_selector");
1146         variant_field = bt_ctf_field_structure_get_field(
1147                 complex_structure_field, "variant_value");
1148         uint_35_field = bt_ctf_field_structure_get_field(
1149                 inner_structure_field, "seq_len");
1150         a_sequence_field = bt_ctf_field_structure_get_field(
1151                 inner_structure_field, "a_sequence");
1152         an_array_field = bt_ctf_field_structure_get_field(
1153                 inner_structure_field, "an_array");
1154
1155         enum_container_field = bt_ctf_field_enumeration_get_container(
1156                 enum_variant_field);
1157         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1158         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1159                 enum_variant_field);
1160         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1161         bt_put(int_16_field);
1162         ok(!bt_ctf_field_string_get_value(a_string_field),
1163                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1164         bt_ctf_field_string_set_value(a_string_field,
1165                 test_string_1);
1166         ok(!bt_ctf_field_string_get_value(NULL),
1167                 "bt_ctf_field_string_get_value correctly handles NULL");
1168         ok(bt_ctf_field_string_append(NULL, "yeah"),
1169                 "bt_ctf_field_string_append correctly handles a NULL string field");
1170         ok(bt_ctf_field_string_append(a_string_field, NULL),
1171                 "bt_ctf_field_string_append correctly handles a NULL string value");
1172         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1173                 "bt_ctf_field_string_append succeeds");
1174         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1175                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1176         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1177                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1178         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1179                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1180         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1181                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1182         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1183                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1184         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1185                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1186
1187         ret_string = bt_ctf_field_string_get_value(a_string_field);
1188         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1189         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1190                 "bt_ctf_field_string_get_value returns a correct value");
1191         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1192                 SEQUENCE_TEST_LENGTH);
1193
1194         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1195                 enum_container_field) == NULL,
1196                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1197         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1198                 NULL) == NULL,
1199                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1200         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1201                 variant_type, enum_variant_field);
1202         ok(ret_field_type == int_16_type,
1203                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1204
1205         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1206                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1207         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1208                 uint_35_field) == 0, "Set a sequence field's length");
1209         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1210         ok(ret_field == uint_35_field,
1211                 "bt_ctf_field_sequence_get_length returns the correct length field");
1212         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1213                 "bt_ctf_field_sequence_get_length properly handles NULL");
1214
1215         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1216                 int_16_field = bt_ctf_field_sequence_get_field(
1217                         a_sequence_field, i);
1218                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1219                 bt_put(int_16_field);
1220         }
1221
1222         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1223                 int_16_field = bt_ctf_field_array_get_field(
1224                         an_array_field, i);
1225                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1226                 bt_put(int_16_field);
1227         }
1228
1229         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1230         assert(stream_event_ctx_field);
1231         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1232                 stream_event_ctx_field, "common_event_context");
1233         BT_PUT(stream_event_ctx_field);
1234         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1235         BT_PUT(stream_event_ctx_int_field);
1236
1237         bt_ctf_clock_set_time(clock, ++current_time);
1238         ok(bt_ctf_stream_append_event(stream, event) == 0,
1239                 "Append a complex event to a stream");
1240
1241         /*
1242          * Populate the custom packet context field with a dummy value
1243          * otherwise flush will fail.
1244          */
1245         packet_context = bt_ctf_stream_get_packet_context(stream);
1246         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1247                 "custom_packet_context_field");
1248         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1249
1250         ok(bt_ctf_stream_flush(stream) == 0,
1251                 "Flush a stream containing a complex event");
1252
1253         bt_put(uint_35_field);
1254         bt_put(a_string_field);
1255         bt_put(inner_structure_field);
1256         bt_put(complex_structure_field);
1257         bt_put(a_sequence_field);
1258         bt_put(an_array_field);
1259         bt_put(enum_variant_field);
1260         bt_put(enum_container_field);
1261         bt_put(variant_field);
1262         bt_put(ret_field);
1263         bt_put(packet_context_field);
1264         bt_put(packet_context);
1265         bt_put(uint_35_type);
1266         bt_put(int_16_type);
1267         bt_put(string_type);
1268         bt_put(sequence_type);
1269         bt_put(array_type);
1270         bt_put(inner_structure_type);
1271         bt_put(complex_structure_type);
1272         bt_put(uint_3_type);
1273         bt_put(enum_variant_type);
1274         bt_put(variant_type);
1275         bt_put(ret_field_type);
1276         bt_put(event_class);
1277         bt_put(event);
1278 }
1279
1280 static void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1281         struct bt_ctf_field_type *expected_type, const char *name)
1282 {
1283         struct bt_ctf_field_type *copy_type;
1284
1285         copy_type = bt_ctf_field_get_type(field);
1286         ok(copy_type == expected_type,
1287                 "bt_ctf_field_copy does not copy the type (%s)", name);
1288         bt_put(copy_type);
1289 }
1290
1291 static void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1292         struct bt_ctf_field *field_b, const char *name)
1293 {
1294         ok(field_a != field_b,
1295                 "bt_ctf_field_copy creates different pointers (%s)", name);
1296 }
1297
1298 void field_copy_tests()
1299 {
1300         struct bt_ctf_field_type *len_type = NULL;
1301         struct bt_ctf_field_type *fp_type = NULL;
1302         struct bt_ctf_field_type *s_type = NULL;
1303         struct bt_ctf_field_type *e_int_type = NULL;
1304         struct bt_ctf_field_type *e_type = NULL;
1305         struct bt_ctf_field_type *v_type = NULL;
1306         struct bt_ctf_field_type *v_label1_type = NULL;
1307         struct bt_ctf_field_type *v_label1_array_type = NULL;
1308         struct bt_ctf_field_type *v_label2_type = NULL;
1309         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1310         struct bt_ctf_field_type *strct_type = NULL;
1311         struct bt_ctf_field *len = NULL;
1312         struct bt_ctf_field *fp = NULL;
1313         struct bt_ctf_field *s = NULL;
1314         struct bt_ctf_field *e_int = NULL;
1315         struct bt_ctf_field *e = NULL;
1316         struct bt_ctf_field *v = NULL;
1317         struct bt_ctf_field *v_selected = NULL;
1318         struct bt_ctf_field *v_selected_cur = NULL;
1319         struct bt_ctf_field *v_selected_0 = NULL;
1320         struct bt_ctf_field *v_selected_1 = NULL;
1321         struct bt_ctf_field *v_selected_2 = NULL;
1322         struct bt_ctf_field *v_selected_3 = NULL;
1323         struct bt_ctf_field *v_selected_4 = NULL;
1324         struct bt_ctf_field *v_selected_5 = NULL;
1325         struct bt_ctf_field *v_selected_6 = NULL;
1326         struct bt_ctf_field *a = NULL;
1327         struct bt_ctf_field *a_0 = NULL;
1328         struct bt_ctf_field *a_1 = NULL;
1329         struct bt_ctf_field *a_2 = NULL;
1330         struct bt_ctf_field *a_3 = NULL;
1331         struct bt_ctf_field *a_4 = NULL;
1332         struct bt_ctf_field *strct = NULL;
1333         struct bt_ctf_field *len_copy = NULL;
1334         struct bt_ctf_field *fp_copy = NULL;
1335         struct bt_ctf_field *s_copy = NULL;
1336         struct bt_ctf_field *e_int_copy = NULL;
1337         struct bt_ctf_field *e_copy = NULL;
1338         struct bt_ctf_field *v_copy = NULL;
1339         struct bt_ctf_field *v_selected_copy = NULL;
1340         struct bt_ctf_field *v_selected_copy_len = NULL;
1341         struct bt_ctf_field *v_selected_0_copy = NULL;
1342         struct bt_ctf_field *v_selected_1_copy = NULL;
1343         struct bt_ctf_field *v_selected_2_copy = NULL;
1344         struct bt_ctf_field *v_selected_3_copy = NULL;
1345         struct bt_ctf_field *v_selected_4_copy = NULL;
1346         struct bt_ctf_field *v_selected_5_copy = NULL;
1347         struct bt_ctf_field *v_selected_6_copy = NULL;
1348         struct bt_ctf_field *a_copy = NULL;
1349         struct bt_ctf_field *a_0_copy = NULL;
1350         struct bt_ctf_field *a_1_copy = NULL;
1351         struct bt_ctf_field *a_2_copy = NULL;
1352         struct bt_ctf_field *a_3_copy = NULL;
1353         struct bt_ctf_field *a_4_copy = NULL;
1354         struct bt_ctf_field *strct_copy = NULL;
1355         uint64_t uint64_t_val;
1356         const char *str_val;
1357         double double_val;
1358         int ret;
1359
1360         /* create len type */
1361         len_type = bt_ctf_field_type_integer_create(32);
1362         assert(len_type);
1363
1364         /* create fp type */
1365         fp_type = bt_ctf_field_type_floating_point_create();
1366         assert(fp_type);
1367
1368         /* create s type */
1369         s_type = bt_ctf_field_type_string_create();
1370         assert(s_type);
1371
1372         /* create e_int type */
1373         e_int_type = bt_ctf_field_type_integer_create(8);
1374         assert(e_int_type);
1375
1376         /* create e type */
1377         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1378         assert(e_type);
1379         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1380                 10, 15);
1381         assert(!ret);
1382         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1383                 23, 23);
1384         assert(!ret);
1385
1386         /* create v_label1 type */
1387         v_label1_type = bt_ctf_field_type_string_create();
1388         assert(v_label1_type);
1389
1390         /* create v_label1_array type */
1391         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1392         assert(v_label1_array_type);
1393
1394         /* create v_label2 type */
1395         v_label2_type = bt_ctf_field_type_integer_create(16);
1396         assert(v_label2_type);
1397
1398         /* create v_label2_seq type */
1399         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1400                 "len");
1401         assert(v_label2_seq_type);
1402
1403         /* create v type */
1404         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1405         assert(v_type);
1406         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1407                 "LABEL1");
1408         assert(!ret);
1409         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1410                 "LABEL2");
1411         assert(!ret);
1412
1413         /* create strct type */
1414         strct_type = bt_ctf_field_type_structure_create();
1415         assert(strct_type);
1416         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1417                 "len");
1418         assert(!ret);
1419         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1420         assert(!ret);
1421         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1422         assert(!ret);
1423         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1424         assert(!ret);
1425         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1426         assert(!ret);
1427         ret = bt_ctf_field_type_structure_add_field(strct_type,
1428                 v_label1_array_type, "a");
1429         assert(!ret);
1430
1431         /* create strct */
1432         strct = bt_ctf_field_create(strct_type);
1433         assert(strct);
1434
1435         /* get len field */
1436         len = bt_ctf_field_structure_get_field(strct, "len");
1437         assert(len);
1438
1439         /* get fp field */
1440         fp = bt_ctf_field_structure_get_field(strct, "fp");
1441         assert(fp);
1442
1443         /* get s field */
1444         s = bt_ctf_field_structure_get_field(strct, "s");
1445         assert(s);
1446
1447         /* get e field */
1448         e = bt_ctf_field_structure_get_field(strct, "e");
1449         assert(e);
1450
1451         /* get e_int (underlying integer) */
1452         e_int = bt_ctf_field_enumeration_get_container(e);
1453         assert(e_int);
1454
1455         /* get v field */
1456         v = bt_ctf_field_structure_get_field(strct, "v");
1457         assert(v);
1458
1459         /* get a field */
1460         a = bt_ctf_field_structure_get_field(strct, "a");
1461         assert(a);
1462
1463         /* set len field */
1464         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1465         assert(!ret);
1466
1467         /* set fp field */
1468         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1469         assert(!ret);
1470
1471         /* set s field */
1472         ret = bt_ctf_field_string_set_value(s, "btbt");
1473         assert(!ret);
1474
1475         /* set e field (LABEL2) */
1476         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1477         assert(!ret);
1478
1479         /* set v field */
1480         v_selected = bt_ctf_field_variant_get_field(v, e);
1481         assert(v_selected);
1482         ok(!bt_ctf_field_variant_get_current_field(NULL),
1483                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1484         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1485         ok(v_selected_cur == v_selected,
1486                 "bt_ctf_field_variant_get_current_field returns the current field");
1487         bt_put(v_selected_cur);
1488
1489         /* set selected v field */
1490         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1491         assert(!ret);
1492         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1493         assert(v_selected_0);
1494         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1495         assert(!ret);
1496         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1497         assert(v_selected_1);
1498         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1499         assert(!ret);
1500         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1501         assert(v_selected_2);
1502         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1503         assert(!ret);
1504         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1505         assert(v_selected_3);
1506         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1507         assert(!ret);
1508         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1509         assert(v_selected_4);
1510         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1511         assert(!ret);
1512         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1513         assert(v_selected_5);
1514         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1515         assert(!ret);
1516         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1517         assert(v_selected_6);
1518         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1519         assert(!ret);
1520
1521         /* set a field */
1522         a_0 = bt_ctf_field_array_get_field(a, 0);
1523         assert(a_0);
1524         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1525         assert(!ret);
1526         a_1 = bt_ctf_field_array_get_field(a, 1);
1527         assert(a_1);
1528         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1529         assert(!ret);
1530         a_2 = bt_ctf_field_array_get_field(a, 2);
1531         assert(a_2);
1532         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1533         assert(!ret);
1534         a_3 = bt_ctf_field_array_get_field(a, 3);
1535         assert(a_3);
1536         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1537         assert(!ret);
1538         a_4 = bt_ctf_field_array_get_field(a, 4);
1539         assert(a_4);
1540         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1541         assert(!ret);
1542
1543         /* create copy of strct */
1544         ok(!bt_ctf_field_copy(NULL),
1545                 "bt_ctf_field_copy handles NULL correctly");
1546         strct_copy = bt_ctf_field_copy(strct);
1547         ok(strct_copy,
1548                 "bt_ctf_field_copy returns a valid pointer");
1549
1550         /* get all copied fields */
1551         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1552         assert(len_copy);
1553         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1554         assert(fp_copy);
1555         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1556         assert(s_copy);
1557         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1558         assert(e_copy);
1559         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1560         assert(e_int_copy);
1561         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1562         assert(v_copy);
1563         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1564         assert(v_selected_copy);
1565         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1566         assert(v_selected_0_copy);
1567         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1568         assert(v_selected_1_copy);
1569         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1570         assert(v_selected_2_copy);
1571         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1572         assert(v_selected_3_copy);
1573         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1574         assert(v_selected_4_copy);
1575         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1576         assert(v_selected_5_copy);
1577         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1578         assert(v_selected_6_copy);
1579         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1580                 "sequence field copy is not too large");
1581         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1582         assert(a_copy);
1583         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1584         assert(a_0_copy);
1585         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1586         assert(a_1_copy);
1587         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1588         assert(a_2_copy);
1589         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1590         assert(a_3_copy);
1591         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1592         assert(a_4_copy);
1593         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1594                 "array field copy is not too large");
1595
1596         /* make sure copied fields are different pointers */
1597         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1598         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1599         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1600         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1601         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1602         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1603         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1604         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1605                 "v_selected");
1606         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1607                 "v_selected_0");
1608         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1609                 "v_selected_1");
1610         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1611                 "v_selected_2");
1612         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1613                 "v_selected_3");
1614         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1615                 "v_selected_4");
1616         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1617                 "v_selected_5");
1618         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1619                 "v_selected_6");
1620         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1621         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1622         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1623         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1624         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1625         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1626
1627         /* make sure copied fields share the same types */
1628         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1629         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1630         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1631         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1632         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1633         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1634         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1635                 "v_selected");
1636         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1637                 "v_selected_0");
1638         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1639                 "v_selected_1");
1640         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1641                 "v_selected_2");
1642         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1643                 "v_selected_3");
1644         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1645                 "v_selected_4");
1646         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1647                 "v_selected_5");
1648         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1649                 "v_selected_6");
1650         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1651         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1652         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1653         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1654         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1655         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1656
1657         /* validate len copy */
1658         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1659         assert(!ret);
1660         ok(uint64_t_val == 7,
1661                 "bt_ctf_field_copy creates a valid integer field copy");
1662
1663         /* validate fp copy */
1664         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1665         assert(!ret);
1666         ok(double_val == 3.14,
1667                 "bt_ctf_field_copy creates a valid floating point number field copy");
1668
1669         /* validate s copy */
1670         str_val = bt_ctf_field_string_get_value(s_copy);
1671         ok(str_val && !strcmp(str_val, "btbt"),
1672                 "bt_ctf_field_copy creates a valid string field copy");
1673
1674         /* validate e_int copy */
1675         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1676                 &uint64_t_val);
1677         assert(!ret);
1678         ok(uint64_t_val == 23,
1679                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1680
1681         /* validate e copy */
1682         str_val = bt_ctf_field_enumeration_get_mapping_name(e_copy);
1683         ok(str_val && !strcmp(str_val, "LABEL2"),
1684                 "bt_ctf_field_copy creates a valid enum field copy");
1685
1686         /* validate v_selected copy */
1687         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1688         assert(v_selected_copy_len);
1689         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1690                 &uint64_t_val);
1691         assert(!ret);
1692         ok(uint64_t_val == 7,
1693                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1694         bt_put(v_selected_copy_len);
1695         v_selected_copy_len = NULL;
1696
1697         /* validate v_selected copy fields */
1698         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1699                 &uint64_t_val);
1700         assert(!ret);
1701         ok(uint64_t_val == 7,
1702                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1703         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1704                 &uint64_t_val);
1705         assert(!ret);
1706         ok(uint64_t_val == 6,
1707                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1708         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1709                 &uint64_t_val);
1710         assert(!ret);
1711         ok(uint64_t_val == 5,
1712                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1713         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1714                 &uint64_t_val);
1715         assert(!ret);
1716         ok(uint64_t_val == 4,
1717                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1718         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1719                 &uint64_t_val);
1720         assert(!ret);
1721         ok(uint64_t_val == 3,
1722                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1723         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1724                 &uint64_t_val);
1725         assert(!ret);
1726         ok(uint64_t_val == 2,
1727                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1728         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1729                 &uint64_t_val);
1730         assert(!ret);
1731         ok(uint64_t_val == 1,
1732                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1733
1734         /* validate a copy fields */
1735         str_val = bt_ctf_field_string_get_value(a_0_copy);
1736         ok(str_val && !strcmp(str_val, "a_0"),
1737                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1738         str_val = bt_ctf_field_string_get_value(a_1_copy);
1739         ok(str_val && !strcmp(str_val, "a_1"),
1740                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1741         str_val = bt_ctf_field_string_get_value(a_2_copy);
1742         ok(str_val && !strcmp(str_val, "a_2"),
1743                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1744         str_val = bt_ctf_field_string_get_value(a_3_copy);
1745         ok(str_val && !strcmp(str_val, "a_3"),
1746                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1747         str_val = bt_ctf_field_string_get_value(a_4_copy);
1748         ok(str_val && !strcmp(str_val, "a_4"),
1749                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1750
1751         /* put everything */
1752         bt_put(len_type);
1753         bt_put(fp_type);
1754         bt_put(s_type);
1755         bt_put(e_int_type);
1756         bt_put(e_type);
1757         bt_put(v_type);
1758         bt_put(v_label1_type);
1759         bt_put(v_label1_array_type);
1760         bt_put(v_label2_type);
1761         bt_put(v_label2_seq_type);
1762         bt_put(strct_type);
1763         bt_put(len);
1764         bt_put(fp);
1765         bt_put(s);
1766         bt_put(e_int);
1767         bt_put(e);
1768         bt_put(v);
1769         bt_put(v_selected);
1770         bt_put(v_selected_0);
1771         bt_put(v_selected_1);
1772         bt_put(v_selected_2);
1773         bt_put(v_selected_3);
1774         bt_put(v_selected_4);
1775         bt_put(v_selected_5);
1776         bt_put(v_selected_6);
1777         bt_put(a);
1778         bt_put(a_0);
1779         bt_put(a_1);
1780         bt_put(a_2);
1781         bt_put(a_3);
1782         bt_put(a_4);
1783         bt_put(strct);
1784         bt_put(len_copy);
1785         bt_put(fp_copy);
1786         bt_put(s_copy);
1787         bt_put(e_int_copy);
1788         bt_put(e_copy);
1789         bt_put(v_copy);
1790         bt_put(v_selected_copy);
1791         bt_put(v_selected_0_copy);
1792         bt_put(v_selected_1_copy);
1793         bt_put(v_selected_2_copy);
1794         bt_put(v_selected_3_copy);
1795         bt_put(v_selected_4_copy);
1796         bt_put(v_selected_5_copy);
1797         bt_put(v_selected_6_copy);
1798         bt_put(a_copy);
1799         bt_put(a_0_copy);
1800         bt_put(a_1_copy);
1801         bt_put(a_2_copy);
1802         bt_put(a_3_copy);
1803         bt_put(a_4_copy);
1804         bt_put(strct_copy);
1805 }
1806
1807 void type_field_tests()
1808 {
1809         struct bt_ctf_field *uint_12;
1810         struct bt_ctf_field *int_16;
1811         struct bt_ctf_field *string;
1812         struct bt_ctf_field *enumeration;
1813         struct bt_ctf_field_type *composite_structure_type;
1814         struct bt_ctf_field_type *structure_seq_type;
1815         struct bt_ctf_field_type *string_type;
1816         struct bt_ctf_field_type *sequence_type;
1817         struct bt_ctf_field_type *uint_8_type;
1818         struct bt_ctf_field_type *int_16_type;
1819         struct bt_ctf_field_type *uint_12_type =
1820                 bt_ctf_field_type_integer_create(12);
1821         struct bt_ctf_field_type *enumeration_type;
1822         struct bt_ctf_field_type *returned_type;
1823         const char *ret_string;
1824
1825         returned_type = bt_ctf_field_get_type(NULL);
1826         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1827
1828         ok(uint_12_type, "Create an unsigned integer type");
1829         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1830                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1831                 "Set integer type's base as binary");
1832         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1833                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1834                 "Set integer type's base as decimal");
1835         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1836                 BT_CTF_INTEGER_BASE_UNKNOWN),
1837                 "Reject integer type's base set as unknown");
1838         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1839                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1840                 "Set integer type's base as octal");
1841         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1842                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1843                 "Set integer type's base as hexadecimal");
1844         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1845                 "Reject unknown integer base value");
1846         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1847                 "Set integer type signedness to signed");
1848         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1849                 "Set integer type signedness to unsigned");
1850         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1851                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1852         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1853                 "bt_ctf_field_type_integer_get_size returns a correct value");
1854         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1855                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1856         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1857                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1858
1859         ok(bt_ctf_field_type_set_byte_order(NULL,
1860                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1861                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1862         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1863                 (enum bt_ctf_byte_order) 42) < 0,
1864                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1865         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1866                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1867                 "Set an integer's byte order to little endian");
1868         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1869                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1870                 "Set an integer's byte order to big endian");
1871         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1872                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1873                 "bt_ctf_field_type_get_byte_order returns a correct value");
1874         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1875                 BT_CTF_BYTE_ORDER_UNKNOWN,
1876                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1877
1878         ok(bt_ctf_field_type_get_type_id(NULL) ==
1879                 BT_CTF_TYPE_ID_UNKNOWN,
1880                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1881         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1882                 BT_CTF_TYPE_ID_INTEGER,
1883                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1884
1885         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1886                 BT_CTF_INTEGER_BASE_UNKNOWN,
1887                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1888         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1889                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1890                 "bt_ctf_field_type_integer_get_base returns a correct value");
1891
1892         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1893                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1894                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1895         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1896                 (enum bt_ctf_string_encoding) 123) < 0,
1897                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1898         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1899                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1900                 "Set integer type encoding to UTF8");
1901         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1902                 BT_CTF_STRING_ENCODING_UNKNOWN,
1903                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1904         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1905                 BT_CTF_STRING_ENCODING_UTF8,
1906                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1907
1908         int_16_type = bt_ctf_field_type_integer_create(16);
1909         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1910         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1911                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1912         uint_8_type = bt_ctf_field_type_integer_create(8);
1913         sequence_type =
1914                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1915         ok(sequence_type, "Create a sequence of int16_t type");
1916         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1917                 BT_CTF_TYPE_ID_SEQUENCE,
1918                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1919
1920         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1921                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1922         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1923                 sequence_type);
1924         ok(!strcmp(ret_string, "seq_len"),
1925                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1926         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1927                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1928         returned_type = bt_ctf_field_type_sequence_get_element_type(
1929                 sequence_type);
1930         ok(returned_type == int_16_type,
1931                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1932         bt_put(returned_type);
1933
1934         string_type = bt_ctf_field_type_string_create();
1935         ok(string_type, "Create a string type");
1936         ok(bt_ctf_field_type_string_set_encoding(string_type,
1937                 BT_CTF_STRING_ENCODING_NONE),
1938                 "Reject invalid \"None\" string encoding");
1939         ok(bt_ctf_field_type_string_set_encoding(string_type,
1940                 42),
1941                 "Reject invalid string encoding");
1942         ok(bt_ctf_field_type_string_set_encoding(string_type,
1943                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1944                 "Set string encoding to ASCII");
1945
1946         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1947                 BT_CTF_STRING_ENCODING_UNKNOWN,
1948                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1949         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1950                 BT_CTF_STRING_ENCODING_ASCII,
1951                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1952
1953         structure_seq_type = bt_ctf_field_type_structure_create();
1954         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1955                 BT_CTF_TYPE_ID_STRUCT,
1956                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1957         ok(structure_seq_type, "Create a structure type");
1958         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1959                 uint_8_type, "seq_len") == 0,
1960                 "Add a uint8_t type to a structure");
1961         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1962                 sequence_type, "a_sequence") == 0,
1963                 "Add a sequence type to a structure");
1964
1965         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1966                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1967         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1968                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1969
1970         ok(bt_ctf_field_type_structure_get_field(NULL,
1971                 &ret_string, &returned_type, 1) < 0,
1972                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1973         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1974                 NULL, &returned_type, 1) == 0,
1975                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1976         bt_put(returned_type);
1977         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1978                 &ret_string, NULL, 1) == 0,
1979                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1980         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1981                 &ret_string, &returned_type, 10) < 0,
1982                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1983         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1984                 &ret_string, &returned_type, 1) == 0,
1985                 "bt_ctf_field_type_structure_get_field returns a field");
1986         ok(!strcmp(ret_string, "a_sequence"),
1987                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1988         ok(returned_type == sequence_type,
1989                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1990         bt_put(returned_type);
1991
1992         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1993                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1994         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1995                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1996         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1997                 structure_seq_type, "a_sequence");
1998         ok(returned_type == sequence_type,
1999                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
2000         bt_put(returned_type);
2001
2002         composite_structure_type = bt_ctf_field_type_structure_create();
2003         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2004                 string_type, "a_string") == 0,
2005                 "Add a string type to a structure");
2006         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
2007                 structure_seq_type, "inner_structure") == 0,
2008                 "Add a structure type to a structure");
2009
2010         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2011                 NULL, "a_sequence") == NULL,
2012                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
2013         ok(bt_ctf_field_type_structure_get_field_type_by_name(
2014                 structure_seq_type, NULL) == NULL,
2015                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
2016         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
2017                 structure_seq_type, "a_sequence");
2018         ok(returned_type == sequence_type,
2019                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
2020         bt_put(returned_type);
2021
2022         int_16 = bt_ctf_field_create(int_16_type);
2023         ok(int_16, "Instanciate a signed 16-bit integer");
2024         uint_12 = bt_ctf_field_create(uint_12_type);
2025         ok(uint_12, "Instanciate an unsigned 12-bit integer");
2026         returned_type = bt_ctf_field_get_type(int_16);
2027         ok(returned_type == int_16_type,
2028                 "bt_ctf_field_get_type returns the correct type");
2029
2030         /* Can't modify types after instanciating them */
2031         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
2032                 BT_CTF_INTEGER_BASE_DECIMAL),
2033                 "Check an integer type' base can't be modified after instanciation");
2034         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
2035                 "Check an integer type's signedness can't be modified after instanciation");
2036
2037         /* Check signed property is checked */
2038         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
2039                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
2040         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
2041                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
2042
2043         /* Check overflows are properly tested for */
2044         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
2045                 "Check -32768 is allowed for a signed 16-bit integer");
2046         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
2047                 "Check 32767 is allowed for a signed 16-bit integer");
2048         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
2049                 "Check 32768 is not allowed for a signed 16-bit integer");
2050         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
2051                 "Check -32769 is not allowed for a signed 16-bit integer");
2052         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
2053                 "Check -42 is allowed for a signed 16-bit integer");
2054
2055         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
2056                 "Check 4095 is allowed for an unsigned 12-bit integer");
2057         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
2058                 "Check 4096 is not allowed for a unsigned 12-bit integer");
2059         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
2060                 "Check 0 is allowed for an unsigned 12-bit integer");
2061
2062         string = bt_ctf_field_create(string_type);
2063         ok(string, "Instanciate a string field");
2064         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
2065                 "Set a string's value");
2066
2067         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
2068         ok(enumeration_type,
2069                 "Create an enumeration type with an unsigned 12-bit integer as container");
2070         enumeration = bt_ctf_field_create(enumeration_type);
2071         ok(!enumeration,
2072                 "Check enumeration types are validated before instantiation");
2073
2074         bt_put(string);
2075         bt_put(uint_12);
2076         bt_put(int_16);
2077         bt_put(enumeration);
2078         bt_put(composite_structure_type);
2079         bt_put(structure_seq_type);
2080         bt_put(string_type);
2081         bt_put(sequence_type);
2082         bt_put(uint_8_type);
2083         bt_put(int_16_type);
2084         bt_put(uint_12_type);
2085         bt_put(enumeration_type);
2086         bt_put(returned_type);
2087 }
2088
2089 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2090                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2091 {
2092         /*
2093          * Append enough events to force the underlying packet to be resized.
2094          * Also tests that a new event can be declared after a stream has been
2095          * instantiated and used/flushed.
2096          */
2097         int ret = 0;
2098         int i;
2099         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2100                 "Spammy_Event");
2101         struct bt_ctf_field_type *integer_type =
2102                 bt_ctf_field_type_integer_create(17);
2103         struct bt_ctf_field_type *string_type =
2104                 bt_ctf_field_type_string_create();
2105         struct bt_ctf_event *event = NULL;
2106         struct bt_ctf_field *ret_field = NULL;
2107         struct bt_ctf_field_type *ret_field_type = NULL;
2108         uint64_t ret_uint64;
2109         int events_appended = 0;
2110         struct bt_ctf_field *packet_context = NULL,
2111                 *packet_context_field = NULL, *stream_event_context = NULL;
2112         struct bt_ctf_field_type *ep_field_1_type = NULL;
2113         struct bt_ctf_field_type *ep_a_string_type = NULL;
2114         struct bt_ctf_field_type *ep_type = NULL;
2115
2116         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2117                 "field_1");
2118         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2119                 "a_string");
2120         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2121         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2122         if (ret) {
2123                 goto end;
2124         }
2125
2126         /*
2127          * bt_ctf_stream_class_add_event_class() copies the field types
2128          * of event_class, so we retrieve the new ones to create the
2129          * appropriate fields.
2130          */
2131         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2132         assert(ep_type);
2133         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2134                 ep_type, "field_1");
2135         assert(ep_field_1_type);
2136         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2137                 ep_type, "a_string");
2138         assert(ep_a_string_type);
2139
2140         event = bt_ctf_event_create(event_class);
2141         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2142         ret_field_type = bt_ctf_field_get_type(ret_field);
2143         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2144                 "bt_ctf_event_get_payload_by_index returns a correct field");
2145         bt_put(ret_field_type);
2146         bt_put(ret_field);
2147
2148         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2149                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2150         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2151                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2152         bt_put(event);
2153
2154         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2155                 event = bt_ctf_event_create(event_class);
2156                 struct bt_ctf_field *integer =
2157                         bt_ctf_field_create(ep_field_1_type);
2158                 struct bt_ctf_field *string =
2159                         bt_ctf_field_create(ep_a_string_type);
2160
2161                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2162                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2163                 ret |= bt_ctf_event_set_payload(event, "field_1",
2164                         integer);
2165                 bt_put(integer);
2166                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2167                 ret |= bt_ctf_event_set_payload(event, "a_string",
2168                         string);
2169                 bt_put(string);
2170
2171                 /* Populate stream event context */
2172                 stream_event_context =
2173                         bt_ctf_event_get_stream_event_context(event);
2174                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2175                         "common_event_context");
2176                 BT_PUT(stream_event_context);
2177                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2178                         i % 42);
2179                 bt_put(integer);
2180
2181                 ret |= bt_ctf_stream_append_event(stream, event);
2182                 bt_put(event);
2183
2184                 if (ret) {
2185                         break;
2186                 }
2187         }
2188
2189         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2190         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2191                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2192         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2193                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2194         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2195         ok(ret == 0 && ret_uint64 == 0,
2196                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2197         bt_ctf_stream_append_discarded_events(stream, 1000);
2198         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2199         ok(ret == 0 && ret_uint64 == 1000,
2200                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2201
2202 end:
2203         ok(events_appended, "Append 100 000 events to a stream");
2204
2205         /*
2206          * Populate the custom packet context field with a dummy value
2207          * otherwise flush will fail.
2208          */
2209         packet_context = bt_ctf_stream_get_packet_context(stream);
2210         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2211                 "custom_packet_context_field");
2212         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2213
2214         ok(bt_ctf_stream_flush(stream) == 0,
2215                 "Flush a stream that forces a packet resize");
2216         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2217         ok(ret == 0 && ret_uint64 == 1000,
2218                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2219         bt_put(integer_type);
2220         bt_put(string_type);
2221         bt_put(packet_context);
2222         bt_put(packet_context_field);
2223         bt_put(stream_event_context);
2224         bt_put(event_class);
2225         bt_put(ep_field_1_type);
2226         bt_put(ep_a_string_type);
2227         bt_put(ep_type);
2228 }
2229
2230 void test_empty_stream(struct bt_ctf_writer *writer)
2231 {
2232         int ret = 0;
2233         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2234         struct bt_ctf_stream_class *stream_class = NULL;
2235         struct bt_ctf_stream *stream = NULL;
2236
2237         trace = bt_ctf_writer_get_trace(writer);
2238         if (!trace) {
2239                 diag("Failed to get trace from writer");
2240                 ret = -1;
2241                 goto end;
2242         }
2243
2244         stream_class = bt_ctf_stream_class_create("empty_stream");
2245         if (!stream_class) {
2246                 diag("Failed to create stream class");
2247                 ret = -1;
2248                 goto end;
2249         }
2250
2251         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2252                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2253         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2254                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2255
2256         stream = bt_ctf_writer_create_stream(writer, stream_class);
2257         if (!stream) {
2258                 diag("Failed to create writer stream");
2259                 ret = -1;
2260                 goto end;
2261         }
2262
2263         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2264         ok(ret_trace == trace,
2265                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2266 end:
2267         ok(ret == 0,
2268                 "Created a stream class with default attributes and an empty stream");
2269         bt_put(trace);
2270         bt_put(ret_trace);
2271         bt_put(stream);
2272         bt_put(stream_class);
2273 }
2274
2275 void test_custom_event_header_stream(struct bt_ctf_writer *writer)
2276 {
2277         int i, ret;
2278         struct bt_ctf_trace *trace = NULL;
2279         struct bt_ctf_clock *clock = NULL;
2280         struct bt_ctf_stream_class *stream_class = NULL;
2281         struct bt_ctf_stream *stream = NULL;
2282         struct bt_ctf_field_type *integer_type = NULL,
2283                 *sequence_type = NULL, *event_header_type = NULL;
2284         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2285                 *event_header = NULL, *packet_header = NULL;
2286         struct bt_ctf_event_class *event_class = NULL;
2287         struct bt_ctf_event *event = NULL;
2288
2289         trace = bt_ctf_writer_get_trace(writer);
2290         if (!trace) {
2291                 fail("Failed to get trace from writer");
2292                 goto end;
2293         }
2294
2295         clock = bt_ctf_trace_get_clock(trace, 0);
2296         if (!clock) {
2297                 fail("Failed to get clock from trace");
2298                 goto end;
2299         }
2300
2301         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2302         if (!stream_class) {
2303                 fail("Failed to create stream class");
2304                 goto end;
2305         }
2306
2307         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2308         if (ret) {
2309                 fail("Failed to set stream class clock");
2310                 goto end;
2311         }
2312
2313         /*
2314          * Customize event header to add an "seq_len" integer member
2315          * which will be used as the length of a sequence in an event of this
2316          * stream.
2317          */
2318         event_header_type = bt_ctf_stream_class_get_event_header_type(
2319                 stream_class);
2320         if (!event_header_type) {
2321                 fail("Failed to get event header type");
2322                 goto end;
2323         }
2324
2325         integer_type = bt_ctf_field_type_integer_create(13);
2326         if (!integer_type) {
2327                 fail("Failed to create length integer type");
2328                 goto end;
2329         }
2330
2331         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2332                 integer_type, "seq_len");
2333         if (ret) {
2334                 fail("Failed to add a new field to stream event header");
2335                 goto end;
2336         }
2337
2338         event_class = bt_ctf_event_class_create("sequence_event");
2339         if (!event_class) {
2340                 fail("Failed to create event class");
2341                 goto end;
2342         }
2343
2344         /*
2345          * This event's payload will contain a sequence which references
2346          * stream.event.header.seq_len as its length field.
2347          */
2348         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2349                 "stream.event.header.seq_len");
2350         if (!sequence_type) {
2351                 fail("Failed to create a sequence");
2352                 goto end;
2353         }
2354
2355         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2356                 "some_sequence");
2357         if (ret) {
2358                 fail("Failed to add a sequence to an event class");
2359                 goto end;
2360         }
2361
2362         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2363         if (ret) {
2364                 fail("Failed to add event class to stream class");
2365                 goto end;
2366         }
2367
2368         stream = bt_ctf_writer_create_stream(writer, stream_class);
2369         if (!stream) {
2370                 fail("Failed to create stream")
2371                 goto end;
2372         }
2373
2374         /*
2375          * We have defined a custom packet header field. We have to populate it
2376          * explicitly.
2377          */
2378         packet_header = bt_ctf_stream_get_packet_header(stream);
2379         if (!packet_header) {
2380                 fail("Failed to get stream packet header");
2381                 goto end;
2382         }
2383
2384         integer = bt_ctf_field_structure_get_field(packet_header,
2385                 "custom_trace_packet_header_field");
2386         if (!integer) {
2387                 fail("Failed to retrieve custom_trace_packet_header_field");
2388                 goto end;
2389         }
2390
2391         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2392         if (ret) {
2393                 fail("Failed to set custom_trace_packet_header_field value");
2394                 goto end;
2395         }
2396         bt_put(integer);
2397
2398         event = bt_ctf_event_create(event_class);
2399         if (!event) {
2400                 fail("Failed to create event");
2401                 goto end;
2402         }
2403
2404         event_header = bt_ctf_event_get_header(event);
2405         if (!event_header) {
2406                 fail("Failed to get event header");
2407                 goto end;
2408         }
2409
2410         integer = bt_ctf_field_structure_get_field(event_header,
2411                 "seq_len");
2412         if (!integer) {
2413                 fail("Failed to get seq_len field from event header");
2414                 goto end;
2415         }
2416
2417         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2418         if (ret) {
2419                 fail("Failed to set seq_len value in event header");
2420                 goto end;
2421         }
2422
2423         /* Populate both sequence integer fields */
2424         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2425         if (!sequence) {
2426                 fail("Failed to retrieve sequence from event");
2427                 goto end;
2428         }
2429
2430         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2431         if (ret) {
2432                 fail("Failed to set sequence length");
2433                 goto end;
2434         }
2435         bt_put(integer);
2436
2437         for (i = 0; i < 2; i++) {
2438                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2439                 if (ret) {
2440                         fail("Failed to retrieve sequence element");
2441                         goto end;
2442                 }
2443
2444                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2445                 if (ret) {
2446                         fail("Failed to set sequence element value");
2447                         goto end;
2448                 }
2449
2450                 bt_put(integer);
2451                 integer = NULL;
2452         }
2453
2454         ret = bt_ctf_stream_append_event(stream, event);
2455         if (ret) {
2456                 fail("Failed to append event to stream");
2457                 goto end;
2458         }
2459
2460         ret = bt_ctf_stream_flush(stream);
2461         if (ret) {
2462                 fail("Failed to flush custom_event_header stream");
2463         }
2464 end:
2465         bt_put(clock);
2466         bt_put(trace);
2467         bt_put(stream);
2468         bt_put(stream_class);
2469         bt_put(event_class);
2470         bt_put(event);
2471         bt_put(integer);
2472         bt_put(sequence);
2473         bt_put(event_header);
2474         bt_put(packet_header);
2475         bt_put(sequence_type);
2476         bt_put(integer_type);
2477         bt_put(event_header_type);
2478 }
2479
2480 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer)
2481 {
2482         int ret = 0;
2483         struct bt_ctf_trace *trace = NULL;
2484         struct bt_ctf_clock *clock = NULL;
2485         struct bt_ctf_stream_class *stream_class = NULL;
2486         struct bt_ctf_stream *stream = NULL,
2487                 *ret_stream = NULL;
2488         struct bt_ctf_event_class *event_class = NULL;
2489         struct bt_ctf_event *event = NULL;
2490         struct bt_ctf_field_type *integer_type = NULL;
2491         struct bt_ctf_field *integer = NULL;
2492
2493         trace = bt_ctf_writer_get_trace(writer);
2494         if (!trace) {
2495                 diag("Failed to get trace from writer");
2496                 ret = -1;
2497                 goto end;
2498         }
2499
2500         clock = bt_ctf_trace_get_clock(trace, 0);
2501         if (!clock) {
2502                 diag("Failed to get clock from trace");
2503                 ret = -1;
2504                 goto end;
2505         }
2506
2507         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2508         if (!stream_class) {
2509                 diag("Failed to create stream class");
2510                 ret = -1;
2511                 goto end;
2512         }
2513
2514         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2515         if (ret) {
2516                 diag("Failed to set stream class clock");
2517                 goto end;
2518         }
2519
2520         event_class = bt_ctf_event_class_create("some_event_class_name");
2521         integer_type = bt_ctf_field_type_integer_create(32);
2522         if (!integer_type) {
2523                 diag("Failed to create integer field type");
2524                 ret = -1;
2525                 goto end;
2526         }
2527
2528         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2529                 "integer_field");
2530         if (ret) {
2531                 diag("Failed to add field to event class");
2532                 goto end;
2533         }
2534
2535         ret = bt_ctf_stream_class_add_event_class(stream_class,
2536                 event_class);
2537         if (ret) {
2538                 diag("Failed to add event class to stream class");
2539         }
2540
2541         event = bt_ctf_event_create(event_class);
2542         if (!event) {
2543                 diag("Failed to create event");
2544                 ret = -1;
2545                 goto end;
2546         }
2547
2548         integer = bt_ctf_event_get_payload_by_index(event, 0);
2549         if (!integer) {
2550                 diag("Failed to get integer field payload from event");
2551                 ret = -1;
2552                 goto end;
2553         }
2554
2555         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2556         if (ret) {
2557                 diag("Failed to set integer field value");
2558                 goto end;
2559         }
2560
2561         stream = bt_ctf_writer_create_stream(writer, stream_class);
2562         if (!stream) {
2563                 diag("Failed to create writer stream");
2564                 ret = -1;
2565                 goto end;
2566         }
2567
2568         ok(bt_ctf_event_get_stream(NULL) == NULL,
2569                 "bt_ctf_event_get_stream handles NULL correctly");
2570         ok(bt_ctf_event_get_stream(event) == NULL,
2571                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2572
2573         ret = bt_ctf_stream_append_event(stream, event);
2574         if (ret) {
2575                 diag("Failed to append event to stream");
2576                 goto end;
2577         }
2578
2579         ret_stream = bt_ctf_event_get_stream(event);
2580         ok(ret_stream == stream,
2581                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2582 end:
2583         ok(ret == 0,
2584                 "Create an event before instanciating its associated stream");
2585         bt_put(trace);
2586         bt_put(stream);
2587         bt_put(ret_stream);
2588         bt_put(stream_class);
2589         bt_put(event_class);
2590         bt_put(event);
2591         bt_put(integer_type);
2592         bt_put(integer);
2593         bt_put(clock);
2594 }
2595
2596 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2597 {
2598         struct bt_ctf_event_class *event_class;
2599
2600         event_class = bt_ctf_event_class_create("Simple Event");
2601         assert(event_class);
2602         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2603                 "two event classes with the same name cannot cohabit within the same stream class");
2604         bt_put(event_class);
2605
2606         event_class = bt_ctf_event_class_create("different name, ok");
2607         assert(event_class);
2608         assert(!bt_ctf_event_class_set_id(event_class, 11));
2609         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2610                 "two event classes with the same ID cannot cohabit within the same stream class");
2611         bt_put(event_class);
2612 }
2613
2614 void test_trace_stream_class_clock(void)
2615 {
2616         struct bt_ctf_trace *trace = NULL;
2617         struct bt_ctf_stream_class *sc1 = NULL;
2618         struct bt_ctf_stream_class *sc2 = NULL;
2619         struct bt_ctf_clock *sc1_clock = NULL;
2620         struct bt_ctf_clock *sc2_clock = NULL;
2621         const char *clock_name = "hello";
2622
2623         trace = bt_ctf_trace_create();
2624         assert(trace);
2625         sc1 = bt_ctf_stream_class_create(NULL);
2626         assert(sc1);
2627         sc2 = bt_ctf_stream_class_create(NULL);
2628         assert(sc2);
2629         sc1_clock = bt_ctf_clock_create(clock_name);
2630         assert(sc1_clock);
2631         sc2_clock = bt_ctf_clock_create(clock_name);
2632         assert(sc2_clock);
2633
2634         ok(!bt_ctf_stream_class_set_clock(sc1, sc1_clock),
2635                 "bt_ctf_stream_class_set_clock() succeeds for sc1");
2636         ok(!bt_ctf_stream_class_set_clock(sc2, sc2_clock),
2637                 "bt_ctf_stream_class_set_clock() succeeds for sc2");
2638         ok(!bt_ctf_trace_add_stream_class(trace, sc1),
2639                 "bt_ctf_trace_add_stream_class() succeeds with sc1");
2640         ok(bt_ctf_trace_add_stream_class(trace, sc2),
2641                 "bt_ctf_trace_add_stream_class() fails with sc2 (different clock, same name)");
2642
2643         BT_PUT(trace);
2644         BT_PUT(sc1);
2645         BT_PUT(sc2);
2646         BT_PUT(sc1_clock);
2647         BT_PUT(sc2_clock);
2648 }
2649
2650 static
2651 struct bt_ctf_event_class *create_minimal_event_class(void)
2652 {
2653         struct bt_ctf_event_class *ec = NULL;
2654         struct bt_ctf_field_type *int_ft = NULL;
2655         int ret;
2656
2657         int_ft = bt_ctf_field_type_integer_create(23);
2658         assert(int_ft);
2659         ec = bt_ctf_event_class_create("minimal");
2660         assert(ec);
2661         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2662         assert(!ret);
2663         BT_PUT(int_ft);
2664
2665         return ec;
2666 }
2667
2668 static
2669 void test_create_writer_stream_from_stream_class(void)
2670 {
2671         int ret;
2672         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2673         const char *writer_stream_name = "writer stream instance";
2674         struct bt_ctf_writer *writer = NULL;
2675         struct bt_ctf_trace *writer_trace = NULL;
2676         struct bt_ctf_stream_class *writer_sc = NULL;
2677         struct bt_ctf_stream *writer_stream = NULL;
2678         struct bt_ctf_trace *non_writer_trace = NULL;
2679         struct bt_ctf_stream_class *non_writer_sc = NULL;
2680         struct bt_ctf_stream *non_writer_stream = NULL;
2681         struct bt_ctf_event_class *ec = NULL;
2682         struct bt_ctf_event *event = NULL;
2683         struct bt_ctf_field_type *empty_struct_ft = NULL;
2684         struct bt_ctf_field *int_field = NULL;
2685
2686         if (!bt_mkdtemp(trace_path)) {
2687                 perror("# perror");
2688         }
2689
2690         /* Create empty structure field type (event header) */
2691         empty_struct_ft = bt_ctf_field_type_structure_create();
2692         assert(empty_struct_ft);
2693
2694         /* Create writer, writer stream class, and writer stream */
2695         writer = bt_ctf_writer_create(trace_path);
2696         assert(writer);
2697         writer_trace = bt_ctf_writer_get_trace(writer);
2698         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2699         writer_sc = bt_ctf_stream_class_create("writer_sc");
2700         assert(writer_sc);
2701         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2702                 empty_struct_ft);
2703         assert(!ret);
2704         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2705         assert(!ret);
2706         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2707         assert(writer_stream);
2708         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2709                 "bt_ctf_stream_get_name() returns the stream's name");
2710
2711         /* Create non-writer trace, stream class, and stream */
2712         non_writer_trace = bt_ctf_trace_create();
2713         assert(non_writer_trace);
2714         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2715         assert(non_writer_sc);
2716         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2717                 empty_struct_ft);
2718         assert(!ret);
2719         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2720         assert(!ret);
2721         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2722         assert(non_writer_stream);
2723
2724         /* Create event class and event */
2725         ec = create_minimal_event_class();
2726         assert(ec);
2727         ret = bt_ctf_stream_class_add_event_class(writer_sc, ec);
2728         assert(!ret);
2729         event = bt_ctf_event_create(ec);
2730         assert(event);
2731         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2732         assert(int_field);
2733         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2734
2735         /*
2736          * Verify non-writer stream: it should be impossible to append
2737          * an event to it.
2738          */
2739         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2740                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2741
2742         /*
2743          * Verify writer stream: it should be possible to append an
2744          * event to it.
2745          */
2746         ok(!bt_ctf_stream_append_event(writer_stream, event),
2747                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2748
2749         BT_PUT(writer);
2750         BT_PUT(writer_trace);
2751         BT_PUT(writer_sc);
2752         BT_PUT(writer_stream);
2753         BT_PUT(non_writer_trace);
2754         BT_PUT(non_writer_sc);
2755         BT_PUT(non_writer_stream);
2756         BT_PUT(ec);
2757         BT_PUT(event);
2758         BT_PUT(int_field);
2759         BT_PUT(empty_struct_ft);
2760 }
2761
2762 int main(int argc, char **argv)
2763 {
2764         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2765         char metadata_path[sizeof(trace_path) + 9];
2766         const char *clock_name = "test_clock";
2767         const char *clock_description = "This is a test clock";
2768         const char *returned_clock_name;
2769         const char *returned_clock_description;
2770         const uint64_t frequency = 1123456789;
2771         const int64_t offset_s = 1351530929945824323;
2772         const int64_t offset = 1234567;
2773         int64_t get_offset_s,
2774                 get_offset,
2775                 get_time;
2776         const uint64_t precision = 10;
2777         const int is_absolute = 0xFF;
2778         char *metadata_string;
2779         struct bt_ctf_writer *writer;
2780         struct utsname name;
2781         char hostname[BABELTRACE_HOST_NAME_MAX];
2782         struct bt_ctf_clock *clock, *ret_clock;
2783         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2784         struct bt_ctf_stream *stream1;
2785         const char *ret_string;
2786         const unsigned char *ret_uuid;
2787         unsigned char tmp_uuid[16] = { 0 };
2788         struct bt_ctf_field_type *packet_context_type,
2789                 *packet_context_field_type,
2790                 *packet_header_type,
2791                 *packet_header_field_type,
2792                 *integer_type,
2793                 *stream_event_context_type,
2794                 *ret_field_type,
2795                 *event_header_field_type;
2796         struct bt_ctf_field *packet_header, *packet_header_field;
2797         struct bt_ctf_trace *trace;
2798         int ret;
2799         int64_t ret_int64_t;
2800         struct bt_value *obj;
2801
2802         if (argc < 3) {
2803                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
2804                 return -1;
2805         }
2806
2807         plan_tests(NR_TESTS);
2808
2809         if (!bt_mkdtemp(trace_path)) {
2810                 perror("# perror");
2811         }
2812
2813         strcpy(metadata_path, trace_path);
2814         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2815
2816         writer = bt_ctf_writer_create(trace_path);
2817         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2818
2819         ok(!bt_ctf_writer_get_trace(NULL),
2820                 "bt_ctf_writer_get_trace correctly handles NULL");
2821         trace = bt_ctf_writer_get_trace(writer);
2822         ok(trace,
2823                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2824         ok(bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2825                 "Set a trace's byte order to big endian");
2826         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2827                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2828
2829         /* Add environment context to the trace */
2830         ret = gethostname(hostname, sizeof(hostname));
2831         if (ret < 0) {
2832                 return ret;
2833         }
2834         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2835                 "Add host (%s) environment field to writer instance",
2836                 hostname);
2837         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2838                 "test_value"),
2839                 "bt_ctf_writer_add_environment_field error with NULL writer");
2840         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2841                 "test_value"),
2842                 "bt_ctf_writer_add_environment_field error with NULL field name");
2843         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2844                 NULL),
2845                 "bt_ctf_writer_add_environment_field error with NULL field value");
2846
2847         /* Test bt_ctf_trace_set_environment_field with an integer object */
2848         obj = bt_value_integer_create_init(23);
2849         assert(obj);
2850         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2851                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2852         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2853                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2854         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2855                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2856         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2857                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2858         BT_PUT(obj);
2859
2860         /* Test bt_ctf_trace_set_environment_field with a string object */
2861         obj = bt_value_string_create_init("the value");
2862         assert(obj);
2863         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2864                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2865         BT_PUT(obj);
2866
2867         /* Test bt_ctf_trace_set_environment_field_integer */
2868         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2869                 -194875),
2870                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2871         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2872                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2873         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2874                 -164973),
2875                 "bt_ctf_trace_set_environment_field_integer succeeds");
2876
2877         /* Test bt_ctf_trace_set_environment_field_string */
2878         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2879                 "yeah"),
2880                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2881         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2882                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2883         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2884                 NULL),
2885                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2886         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2887                 "oh yeah"),
2888                 "bt_ctf_trace_set_environment_field_string succeeds");
2889
2890         /* Test bt_ctf_trace_get_environment_field_count */
2891         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2892                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2893         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2894                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2895
2896         /* Test bt_ctf_trace_get_environment_field_name */
2897         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2898                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2899         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2900                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2901         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2902                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2903         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2904         ok(ret_string && !strcmp(ret_string, "host"),
2905                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2906         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2907         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2908                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2909         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2910         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2911                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2912         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2913         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2914                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2915         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2916         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2917                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2918
2919         /* Test bt_ctf_trace_get_environment_field_value */
2920         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2921                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2922         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2923                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2924         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2925                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2926         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2927         ret = bt_value_integer_get(obj, &ret_int64_t);
2928         ok(!ret && ret_int64_t == 23,
2929                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2930         BT_PUT(obj);
2931         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2932         ret = bt_value_string_get(obj, &ret_string);
2933         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2934                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2935         BT_PUT(obj);
2936
2937         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2938         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2939                 "test_env_str"),
2940                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
2941         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
2942                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
2943         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
2944                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
2945         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
2946                 "test_env_str");
2947         ret = bt_value_string_get(obj, &ret_string);
2948         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
2949                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
2950         BT_PUT(obj);
2951
2952         /* Test environment field replacement */
2953         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2954                 654321),
2955                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
2956         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2957                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
2958         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
2959         ret = bt_value_integer_get(obj, &ret_int64_t);
2960         ok(!ret && ret_int64_t == 654321,
2961                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
2962         BT_PUT(obj);
2963
2964         /* On Solaris, uname() can return any positive value on success */
2965         if (uname(&name) < 0) {
2966                 perror("uname");
2967                 return -1;
2968         }
2969
2970         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
2971                 == 0, "Add sysname (%s) environment field to writer instance",
2972                 name.sysname);
2973         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
2974                 name.nodename) == 0,
2975                 "Add nodename (%s) environment field to writer instance",
2976                 name.nodename);
2977         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
2978                 == 0, "Add release (%s) environment field to writer instance",
2979                 name.release);
2980         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
2981                 == 0, "Add version (%s) environment field to writer instance",
2982                 name.version);
2983         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
2984                 == 0, "Add machine (%s) environment field to writer istance",
2985                 name.machine);
2986
2987         /* Define a clock and add it to the trace */
2988         ok(bt_ctf_clock_create("signed") == NULL,
2989                 "Illegal clock name rejected");
2990         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
2991         clock = bt_ctf_clock_create(clock_name);
2992         ok(clock, "Clock created sucessfully");
2993         returned_clock_name = bt_ctf_clock_get_name(clock);
2994         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
2995         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
2996                 "Returned clock name is valid");
2997
2998         returned_clock_description = bt_ctf_clock_get_description(clock);
2999         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3000         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3001                 "Clock description set successfully");
3002
3003         returned_clock_description = bt_ctf_clock_get_description(clock);
3004         ok(returned_clock_description,
3005                 "bt_ctf_clock_get_description returns a description.");
3006         ok(returned_clock_description ?
3007                 !strcmp(returned_clock_description, clock_description) : 0,
3008                 "Returned clock description is valid");
3009
3010         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3011                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3012         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3013                 "Set clock frequency");
3014         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3015                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3016
3017         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3018                 "bt_ctf_clock_get_offset_s succeeds");
3019         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3020                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3021         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3022                 "Set clock offset (seconds)");
3023         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3024                 "bt_ctf_clock_get_offset_s succeeds");
3025         ok(get_offset_s == offset_s,
3026                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3027
3028         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3029                 "bt_ctf_clock_get_offset succeeds");
3030         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3031                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3032         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3033         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3034                 "bt_ctf_clock_get_offset succeeds");
3035         ok(get_offset == offset,
3036                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3037
3038         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3039                 "bt_ctf_clock_get_precision returns the correct default precision");
3040         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3041                 "Set clock precision");
3042         ok(bt_ctf_clock_get_precision(clock) == precision,
3043                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3044
3045         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3046                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3047         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3048                 "Set clock absolute property");
3049         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3050                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3051
3052         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3053                 "bt_ctf_clock_get_time succeeds");
3054         ok(get_time == DEFAULT_CLOCK_TIME,
3055                 "bt_ctf_clock_get_time returns the correct default time");
3056         ok(bt_ctf_clock_get_value(clock) == DEFAULT_CLOCK_VALUE,
3057                 "bt_ctf_clock_get_value returns the correct default value");
3058         ok(bt_ctf_clock_set_value(clock, current_time) == 0,
3059                 "Set clock value");
3060         ok(bt_ctf_clock_get_value(clock) == current_time,
3061                 "bt_ctf_clock_get_value returns the correct value once it is set");
3062         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3063                 "Set clock time");
3064         ok(bt_ctf_clock_get_time(clock, &get_time) == 0,
3065                 "bt_ctf_clock_get_time succeeds");
3066         ok(get_time >= current_time - 1 && get_time <= current_time + 1,
3067                 "bt_ctf_clock_get_time returns the correct time once it is set");
3068
3069         ok(!bt_ctf_clock_get_name(NULL),
3070                 "bt_ctf_clock_get_name correctly handles NULL");
3071         ok(!bt_ctf_clock_get_description(NULL),
3072                 "bt_ctf_clock_get_description correctly handles NULL");
3073         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3074                 "bt_ctf_clock_get_frequency correctly handles NULL");
3075         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3076                 "bt_ctf_clock_get_precision correctly handles NULL");
3077         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3078                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3079         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3080                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3081         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3082                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3083         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3084                 "bt_ctf_clock_get_offset correctly handles NULL output");
3085         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3086                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3087         ok(bt_ctf_clock_get_time(NULL, &get_time) < 0,
3088                 "bt_ctf_clock_get_time correctly handles NULL clock");
3089         ok(bt_ctf_clock_get_time(clock, NULL) < 0,
3090                 "bt_ctf_clock_get_time correctly handles NULL output");
3091
3092         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3093                 "bt_ctf_clock_set_description correctly handles NULL clock");
3094         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3095                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3096         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3097                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3098         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3099                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3100         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3101                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3102         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3103                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3104         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3105                 "bt_ctf_clock_set_time correctly handles NULL clock");
3106         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3107                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3108         ret_uuid = bt_ctf_clock_get_uuid(clock);
3109         ok(ret_uuid,
3110                 "bt_ctf_clock_get_uuid returns a UUID");
3111         if (ret_uuid) {
3112                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3113                 /* Slightly modify UUID */
3114                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3115         }
3116
3117         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3118                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3119         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3120                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3121         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3122                 "bt_ctf_clock_set_uuid sets a new uuid succesfully");
3123         ret_uuid = bt_ctf_clock_get_uuid(clock);
3124         ok(ret_uuid,
3125                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3126         ok(uuid_match(ret_uuid, tmp_uuid),
3127                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3128
3129         /* Define a stream class */
3130         stream_class = bt_ctf_stream_class_create("test_stream");
3131
3132         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3133                 "bt_ctf_stream_class_get_name handles NULL correctly");
3134         ret_string = bt_ctf_stream_class_get_name(stream_class);
3135         ok(ret_string && !strcmp(ret_string, "test_stream"),
3136                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3137
3138         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3139                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3140         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3141                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3142
3143         ok(stream_class, "Create stream class");
3144         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3145                 "Set a stream class' clock");
3146         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3147         ok(ret_clock == clock,
3148                 "bt_ctf_stream_class_get_clock returns a correct clock");
3149         bt_put(ret_clock);
3150
3151         /* Test the event fields and event types APIs */
3152         type_field_tests();
3153
3154         /* Test fields copying */
3155         field_copy_tests();
3156
3157         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3158                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3159         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3160                 "bt_ctf_stream_class_get_id handles NULL correctly");
3161         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3162                 "bt_ctf_stream_class_set_id handles NULL correctly");
3163         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3164                 "Set an stream class' id");
3165         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3166                 "bt_ctf_stream_class_get_id returns the correct value");
3167
3168         /* Validate default event header fields */
3169         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3170                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3171         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3172                 stream_class);
3173         ok(ret_field_type,
3174                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3175         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_TYPE_ID_STRUCT,
3176                 "Default event header type is a structure");
3177         event_header_field_type =
3178                 bt_ctf_field_type_structure_get_field_type_by_name(
3179                 ret_field_type, "id");
3180         ok(event_header_field_type,
3181                 "Default event header type contains an \"id\" field");
3182         ok(bt_ctf_field_type_get_type_id(
3183                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3184                 "Default event header \"id\" field is an integer");
3185         bt_put(event_header_field_type);
3186         event_header_field_type =
3187                 bt_ctf_field_type_structure_get_field_type_by_name(
3188                 ret_field_type, "timestamp");
3189         ok(event_header_field_type,
3190                 "Default event header type contains a \"timestamp\" field");
3191         ok(bt_ctf_field_type_get_type_id(
3192                 event_header_field_type) == BT_CTF_TYPE_ID_INTEGER,
3193                 "Default event header \"timestamp\" field is an integer");
3194         bt_put(event_header_field_type);
3195         bt_put(ret_field_type);
3196
3197         /* Add a custom trace packet header field */
3198         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3199                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3200         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3201         ok(packet_header_type,
3202                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3203         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_TYPE_ID_STRUCT,
3204                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3205         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3206                 packet_header_type, "magic");
3207         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3208         bt_put(ret_field_type);
3209         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3210                 packet_header_type, "uuid");
3211         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3212         bt_put(ret_field_type);
3213         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3214                 packet_header_type, "stream_id");
3215         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3216         bt_put(ret_field_type);
3217
3218         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3219         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3220                 packet_header_field_type, "custom_trace_packet_header_field"),
3221                 "Added a custom trace packet header field successfully");
3222
3223         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3224                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3225         ok(bt_ctf_trace_set_packet_header_type(trace, NULL) < 0,
3226                 "bt_ctf_trace_set_packet_header_type handles a NULL packet_header_type correctly");
3227         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3228                 "Set a trace packet_header_type successfully");
3229
3230         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3231                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3232
3233         /* Add a custom field to the stream class' packet context */
3234         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3235         ok(packet_context_type,
3236                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3237         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_TYPE_ID_STRUCT,
3238                 "Packet context is a structure");
3239
3240         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3241                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3242         ok(bt_ctf_stream_class_set_packet_context_type(stream_class, NULL),
3243                 "bt_ctf_stream_class_set_packet_context_type handles a NULL packet context type correctly");
3244
3245         integer_type = bt_ctf_field_type_integer_create(32);
3246         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3247                 integer_type) < 0,
3248                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3249         /* Create a "uint5_t" equivalent custom packet context field */
3250         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3251
3252         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3253                 packet_context_field_type, "custom_packet_context_field");
3254         ok(ret == 0, "Packet context field added successfully");
3255
3256         /* Define a stream event context containing a my_integer field. */
3257         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3258                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3259         ok(bt_ctf_stream_class_get_event_context_type(
3260                 stream_class) == NULL,
3261                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3262         stream_event_context_type = bt_ctf_field_type_structure_create();
3263         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3264                 integer_type, "common_event_context");
3265
3266         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3267                 stream_event_context_type) < 0,
3268                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3269         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3270                 NULL) < 0,
3271                 "bt_ctf_stream_class_set_event_context_type handles a NULL event_context correctly");
3272         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3273                 integer_type) < 0,
3274                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3275
3276         ok(bt_ctf_stream_class_set_event_context_type(
3277                 stream_class, stream_event_context_type) == 0,
3278                 "Set a new stream event context type");
3279         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3280                 stream_class);
3281         ok(ret_field_type == stream_event_context_type,
3282                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3283         bt_put(ret_field_type);
3284
3285         /* Instantiate a stream and append events */
3286         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3287         ok(stream1, "Instanciate a stream class from writer");
3288
3289         /*
3290          * Creating a stream through a writer adds the given stream
3291          * class to the writer's trace, thus registering the stream
3292          * class's clock to the trace.
3293          */
3294         ok(bt_ctf_trace_get_clock_count(NULL) < 0,
3295                 "bt_ctf_trace_get_clock_count correctly handles NULL");
3296         ok(bt_ctf_trace_get_clock_count(trace) == 1,
3297                 "bt_ctf_trace_get_clock_count returns the correct number of clocks");
3298         ok(!bt_ctf_trace_get_clock(NULL, 0),
3299                 "bt_ctf_trace_get_clock correctly handles NULL");
3300         ok(!bt_ctf_trace_get_clock(trace, -1),
3301                 "bt_ctf_trace_get_clock correctly handles negative indexes");
3302         ok(!bt_ctf_trace_get_clock(trace, 1),
3303                 "bt_ctf_trace_get_clock correctly handles out of bound accesses");
3304         ret_clock = bt_ctf_trace_get_clock(trace, 0);
3305         ok(ret_clock == clock,
3306                 "bt_ctf_trace_get_clock returns the right clock instance");
3307         bt_put(ret_clock);
3308         ok(!bt_ctf_trace_get_clock_by_name(trace, NULL),
3309                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (trace)");
3310         ok(!bt_ctf_trace_get_clock_by_name(NULL, clock_name),
3311                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3312         ok(!bt_ctf_trace_get_clock_by_name(NULL, NULL),
3313                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3314         ret_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name);
3315         ok(ret_clock == clock,
3316                 "bt_ctf_trace_get_clock_by_name returns the right clock instance");
3317         bt_put(ret_clock);
3318         ok(!bt_ctf_trace_get_clock_by_name(trace, "random"),
3319                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3320
3321         ok(bt_ctf_stream_get_class(NULL) == NULL,
3322                 "bt_ctf_stream_get_class correctly handles NULL");
3323         ret_stream_class = bt_ctf_stream_get_class(stream1);
3324         ok(ret_stream_class,
3325                 "bt_ctf_stream_get_class returns a stream class");
3326         ok(ret_stream_class == stream_class,
3327                 "Returned stream class is of the correct type");
3328
3329         /*
3330          * Packet header, packet context, event header, and stream
3331          * event context types were copied for the resolving
3332          * process
3333          */
3334         BT_PUT(packet_header_type);
3335         BT_PUT(packet_context_type);
3336         BT_PUT(stream_event_context_type);
3337         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3338         assert(packet_header_type);
3339         packet_context_type =
3340                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3341         assert(packet_context_type);
3342         stream_event_context_type =
3343                 bt_ctf_stream_class_get_event_context_type(stream_class);
3344         assert(stream_event_context_type);
3345
3346         /*
3347          * Try to modify the packet context type after a stream has been
3348          * created.
3349          */
3350         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3351                 packet_header_field_type, "should_fail");
3352         ok(ret < 0,
3353                 "Trace packet header type can't be modified once a stream has been instanciated");
3354
3355         /*
3356          * Try to modify the packet context type after a stream has been
3357          * created.
3358          */
3359         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3360                 packet_context_field_type, "should_fail");
3361         ok(ret < 0,
3362                 "Packet context type can't be modified once a stream has been instanciated");
3363
3364         /*
3365          * Try to modify the stream event context type after a stream has been
3366          * created.
3367          */
3368         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3369                 integer_type, "should_fail");
3370         ok(ret < 0,
3371                 "Stream event context type can't be modified once a stream has been instanciated");
3372
3373         /* Should fail after instanciating a stream (frozen) */
3374         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3375                 "Changes to a stream class that was already instantiated fail");
3376
3377         /* Populate the custom packet header field only once for all tests */
3378         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3379                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3380         packet_header = bt_ctf_stream_get_packet_header(stream1);
3381         ok(packet_header,
3382                 "bt_ctf_stream_get_packet_header returns a packet header");
3383         ret_field_type = bt_ctf_field_get_type(packet_header);
3384         ok(ret_field_type == packet_header_type,
3385                 "Stream returns a packet header of the appropriate type");
3386         bt_put(ret_field_type);
3387         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3388                 "custom_trace_packet_header_field");
3389         ok(packet_header_field,
3390                 "Packet header structure contains a custom field with the appropriate name");
3391         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3392         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3393                 "Custom packet header field is of the expected type");
3394         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3395                 54321), "Set custom packet header value successfully");
3396         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3397                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3398         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3399                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3400         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3401                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3402         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3403                 "Successfully set a stream's packet header");
3404
3405         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3406                 "Add environment field to writer after stream creation");
3407
3408         test_trace_stream_class_clock();
3409
3410         test_create_writer_stream_from_stream_class();
3411
3412         test_instanciate_event_before_stream(writer);
3413
3414         append_simple_event(stream_class, stream1, clock);
3415
3416         packet_resize_test(stream_class, stream1, clock);
3417
3418         append_complex_event(stream_class, stream1, clock);
3419
3420         append_existing_event_class(stream_class);
3421
3422         test_empty_stream(writer);
3423
3424         test_custom_event_header_stream(writer);
3425
3426         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3427         ok(metadata_string, "Get metadata string");
3428
3429         bt_ctf_writer_flush_metadata(writer);
3430         validate_metadata(argv[1], metadata_path);
3431         validate_trace(argv[2], trace_path);
3432
3433         bt_put(clock);
3434         bt_put(ret_stream_class);
3435         bt_put(writer);
3436         bt_put(stream1);
3437         bt_put(packet_context_type);
3438         bt_put(packet_context_field_type);
3439         bt_put(integer_type);
3440         bt_put(stream_event_context_type);
3441         bt_put(ret_field_type);
3442         bt_put(packet_header_type);
3443         bt_put(packet_header_field_type);
3444         bt_put(packet_header);
3445         bt_put(packet_header_field);
3446         bt_put(trace);
3447         free(metadata_string);
3448         bt_put(stream_class);
3449
3450         /* Remove all trace files and delete temporary trace directory */
3451         DIR *trace_dir = opendir(trace_path);
3452         if (!trace_dir) {
3453                 perror("# opendir");
3454                 return -1;
3455         }
3456
3457         struct dirent *entry;
3458         while ((entry = readdir(trace_dir))) {
3459                 struct stat st;
3460                 char filename[PATH_MAX];
3461
3462                 if (snprintf(filename, sizeof(filename), "%s/%s",
3463                                         trace_path, entry->d_name) <= 0) {
3464                         continue;
3465                 }
3466
3467                 if (stat(entry->d_name, &st)) {
3468                         continue;
3469                 }
3470
3471                 if (S_ISREG(st.st_mode)) {
3472                         unlinkat(bt_dirfd(trace_dir), entry->d_name, 0);
3473                 }
3474         }
3475
3476         rmdir(trace_path);
3477         closedir(trace_dir);
3478         return 0;
3479 }