tests/lib/test_ctf_writer.c

   1 /*
   2  * test-ctf-writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #define _GNU_SOURCE
  23 #include <babeltrace/ctf-writer/writer.h>
  24 #include <babeltrace/ctf-writer/clock.h>
  25 #include <babeltrace/ctf-writer/stream.h>
  26 #include <babeltrace/ctf-writer/event.h>
  27 #include <babeltrace/ctf-writer/event-types.h>
  28 #include <babeltrace/ctf-writer/event-fields.h>
  29 #include <babeltrace/ctf/events.h>
  30 #include <unistd.h>
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <sys/utsname.h>
  34 #include <limits.h>
  35 #include <string.h>
  36 #include <assert.h>
  37 #include <unistd.h>
  38 #include <sys/wait.h>
  39 #include <fcntl.h>
  40 #include <dirent.h>
  41 #include "tap/tap.h"
  42 #include <math.h>
  43 #include <float.h>
  44
  45 #define METADATA_LINE_SIZE 512
  46 #define SEQUENCE_TEST_LENGTH 10
  47 #define ARRAY_TEST_LENGTH 5
  48 #define PACKET_RESIZE_TEST_LENGTH 100000
  49
  50 #define DEFAULT_CLOCK_FREQ 1000000000
  51 #define DEFAULT_CLOCK_PRECISION 1
  52 #define DEFAULT_CLOCK_OFFSET 0
  53 #define DEFAULT_CLOCK_OFFSET_S 0
  54 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  55 #define DEFAULT_CLOCK_TIME 0
  56
  57 static uint64_t current_time = 42;
  58
  59 void validate_metadata(char *parser_path, char *metadata_path)
  60 {
  61         int ret = 0;
  62         char parser_output_path[] = "/tmp/parser_output_XXXXXX";
  63         int parser_output_fd = -1, metadata_fd = -1;
  64
  65         if (!metadata_path) {
  66                 ret = -1;
  67                 goto result;
  68         }
  69
  70         parser_output_fd = mkstemp(parser_output_path);
  71         metadata_fd = open(metadata_path, O_RDONLY);
  72
  73         unlink(parser_output_path);
  74
  75         if (parser_output_fd == -1 || metadata_fd == -1) {
  76                 diag("Failed create temporary files for metadata parsing.");
  77                 ret = -1;
  78                 goto result;
  79         }
  80
  81         pid_t pid = fork();
  82         if (pid) {
  83                 int status = 0;
  84                 waitpid(pid, &status, 0);
  85                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
  86         } else {
  87                 /* ctf-parser-test expects a metadata string on stdin. */
  88                 ret = dup2(metadata_fd, STDIN_FILENO);
  89                 if (ret < 0) {
  90                         perror("# dup2 metadata_fd to STDIN");
  91                         goto result;
  92                 }
  93
  94                 ret = dup2(parser_output_fd, STDOUT_FILENO);
  95                 if (ret < 0) {
  96                         perror("# dup2 parser_output_fd to STDOUT");
  97                         goto result;
  98                 }
  99
 100                 ret = dup2(parser_output_fd, STDERR_FILENO);
 101                 if (ret < 0) {
 102                         perror("# dup2 parser_output_fd to STDERR");
 103                         goto result;
 104                 }
 105
 106                 execl(parser_path, "ctf-parser-test", NULL);
 107                 perror("# Could not launch the ctf metadata parser process");
 108                 exit(-1);
 109         }
 110 result:
 111         ok(ret == 0, "Metadata string is valid");
 112
 113         if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
 114                 char *line;
 115                 size_t len = METADATA_LINE_SIZE;
 116                 FILE *metadata_fp = NULL, *parser_output_fp = NULL;
 117
 118                 metadata_fp = fdopen(metadata_fd, "r");
 119                 if (!metadata_fp) {
 120                         perror("fdopen on metadata_fd");
 121                         goto close_fp;
 122                 }
 123                 metadata_fd = -1;
 124
 125                 parser_output_fp = fdopen(parser_output_fd, "r");
 126                 if (!parser_output_fp) {
 127                         perror("fdopen on parser_output_fd");
 128                         goto close_fp;
 129                 }
 130                 parser_output_fd = -1;
 131
 132                 line = malloc(len);
 133                 if (!line) {
 134                         diag("malloc failure");
 135                 }
 136
 137                 rewind(metadata_fp);
 138
 139                 /* Output the metadata and parser output as diagnostic */
 140                 while (getline(&line, &len, metadata_fp) > 0) {
 141                         diag("%s", line);
 142                 }
 143
 144                 rewind(parser_output_fp);
 145                 while (getline(&line, &len, parser_output_fp) > 0) {
 146                         diag("%s", line);
 147                 }
 148
 149                 free(line);
 150 close_fp:
 151                 if (metadata_fp) {
 152                         if (fclose(metadata_fp)) {
 153                                 diag("fclose failure");
 154                         }
 155                 }
 156                 if (parser_output_fp) {
 157                         if (fclose(parser_output_fp)) {
 158                                 diag("fclose failure");
 159                         }
 160                 }
 161         }
 162
 163         if (parser_output_fd >= 0) {
 164                 if (close(parser_output_fd)) {
 165                         diag("close error");
 166                 }
 167         }
 168         if (metadata_fd >= 0) {
 169                 if (close(metadata_fd)) {
 170                         diag("close error");
 171                 }
 172         }
 173 }
 174
 175 void validate_trace(char *parser_path, char *trace_path)
 176 {
 177         int ret = 0;
 178         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
 179         int babeltrace_output_fd = -1;
 180
 181         if (!trace_path) {
 182                 ret = -1;
 183                 goto result;
 184         }
 185
 186         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 187         unlink(babeltrace_output_path);
 188
 189         if (babeltrace_output_fd == -1) {
 190                 diag("Failed to create a temporary file for trace parsing.");
 191                 ret = -1;
 192                 goto result;
 193         }
 194
 195         pid_t pid = fork();
 196         if (pid) {
 197                 int status = 0;
 198                 waitpid(pid, &status, 0);
 199                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 200         } else {
 201                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 202                 if (ret < 0) {
 203                         perror("# dup2 babeltrace_output_fd to STDOUT");
 204                         goto result;
 205                 }
 206
 207                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 208                 if (ret < 0) {
 209                         perror("# dup2 babeltrace_output_fd to STDERR");
 210                         goto result;
 211                 }
 212
 213                 execl(parser_path, "babeltrace", trace_path, NULL);
 214                 perror("# Could not launch the babeltrace process");
 215                 exit(-1);
 216         }
 217 result:
 218         ok(ret == 0, "Babeltrace could read the resulting trace");
 219
 220         if (ret && babeltrace_output_fd >= 0) {
 221                 char *line;
 222                 size_t len = METADATA_LINE_SIZE;
 223                 FILE *babeltrace_output_fp = NULL;
 224
 225                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 226                 if (!babeltrace_output_fp) {
 227                         perror("fdopen on babeltrace_output_fd");
 228                         goto close_fp;
 229                 }
 230                 babeltrace_output_fd = -1;
 231
 232                 line = malloc(len);
 233                 if (!line) {
 234                         diag("malloc error");
 235                 }
 236                 rewind(babeltrace_output_fp);
 237                 while (getline(&line, &len, babeltrace_output_fp) > 0) {
 238                         diag("%s", line);
 239                 }
 240
 241                 free(line);
 242 close_fp:
 243                 if (babeltrace_output_fp) {
 244                         if (fclose(babeltrace_output_fp)) {
 245                                 diag("fclose error");
 246                         }
 247                 }
 248         }
 249
 250         if (babeltrace_output_fd >= 0) {
 251                 if (close(babeltrace_output_fd)) {
 252                         diag("close error");
 253                 }
 254         }
 255 }
 256
 257 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 258                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 259 {
 260         /* Create and add a simple event class */
 261         struct bt_ctf_event_class *simple_event_class =
 262                 bt_ctf_event_class_create("Simple Event");
 263         struct bt_ctf_field_type *uint_12_type =
 264                 bt_ctf_field_type_integer_create(12);
 265         struct bt_ctf_field_type *int_64_type =
 266                 bt_ctf_field_type_integer_create(64);
 267         struct bt_ctf_field_type *float_type =
 268                 bt_ctf_field_type_floating_point_create();
 269         struct bt_ctf_field_type *enum_type;
 270         struct bt_ctf_field_type *enum_type_unsigned =
 271                 bt_ctf_field_type_enumeration_create(uint_12_type);
 272         struct bt_ctf_field_type *returned_type;
 273         struct bt_ctf_event *simple_event;
 274         struct bt_ctf_field *integer_field;
 275         struct bt_ctf_field *float_field;
 276         struct bt_ctf_field *enum_field;
 277         struct bt_ctf_field *enum_field_unsigned;
 278         struct bt_ctf_field *enum_container_field;
 279         const char *mapping_name_test = "truie";
 280         const double double_test_value = 3.1415;
 281         struct bt_ctf_field *enum_container_field_unsigned;
 282         const char *mapping_name_negative_test = "negative_value";
 283         const char *ret_char;
 284         double ret_double;
 285         size_t ret_size_t;
 286         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 287         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 288
 289         ok(uint_12_type, "Create an unsigned integer type");
 290
 291         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 292         ok(int_64_type, "Create a signed integer type");
 293         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 294
 295         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 296         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 297         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 298         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 299                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 300
 301         bt_ctf_field_type_set_alignment(float_type, 32);
 302         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 303                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 304         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 305                 "bt_ctf_field_type_get_alignment returns a correct value");
 306
 307         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 308                 "Set a floating point type's exponent digit count");
 309         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 310                 "Set a floating point type's mantissa digit count");
 311
 312         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 313                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 314         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 315                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 316         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 317                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 318         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 319                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 320
 321         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 322                 mapping_name_negative_test, -12345, 0) == 0,
 323                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 324         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 325                 "escaping; \"test\"", 1, 1) == 0,
 326                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 327         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 328                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 329                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 330         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 331                 "event clock int float", 5, 22) == 0,
 332                 "Accept enumeration mapping strings containing reserved keywords");
 333         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 334                 42, 42);
 335         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 336                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 337         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 338                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 339         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 340                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 341         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 342
 343         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42, &ret_size_t) < 0,
 344                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 345         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -42, NULL) < 0,
 346                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL index correctly");
 347         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000, &ret_size_t) < 0,
 348                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 349         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55, &ret_size_t) == 0,
 350                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 351         ok(ret_size_t == 1,
 352                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 353
 354         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 355                 "enum_field") == 0, "Add signed enumeration field to event");
 356
 357         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 358                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 359                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 360         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 361                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 362                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 363         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 364                 NULL, &ret_range_end_int64_t) < 0,
 365                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 366         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 367                 &ret_range_start_int64_t, NULL) < 0,
 368                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 369         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 370                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 371                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 372         ok(!strcmp(ret_char, mapping_name_test),
 373                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 374         ok(ret_range_start_int64_t == 42,
 375                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 376         ok(ret_range_end_int64_t == 42,
 377                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 378
 379         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 380                 "escaping; \"test\"", 0, 0) == 0,
 381                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 382         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 383                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 384                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 385         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 386                 "event clock int float", 5, 22) == 0,
 387                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 388         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 389                 42, 42);
 390         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 391                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 392         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 393                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 394         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 395                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 396         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 397                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 398
 399         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 400                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 401         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 402                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 403
 404         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 405                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 406                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 407         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 408                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 409                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 410         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 411                 NULL, &ret_range_end_uint64_t) < 0,
 412                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 413         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 414                 &ret_range_start_uint64_t, NULL) < 0,
 415                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 416         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 417                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 418                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 419         ok(!strcmp(ret_char, mapping_name_test),
 420                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 421         ok(ret_range_start_uint64_t == 42,
 422                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 423         ok(ret_range_end_uint64_t == 42,
 424                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 425
 426         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 427                 "integer_field");
 428         bt_ctf_event_class_add_field(simple_event_class, float_type,
 429                 "float_field");
 430         bt_ctf_stream_class_add_event_class(stream_class,
 431                 simple_event_class);
 432
 433         simple_event = bt_ctf_event_create(simple_event_class);
 434
 435         ok(simple_event,
 436                 "Instantiate an event containing a single integer field");
 437
 438         integer_field = bt_ctf_field_create(uint_12_type);
 439         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 440         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 441                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 442
 443         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 444         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 445                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 446         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 447         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 448                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 449         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 450                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 451         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 452                 "bt_ctf_field_floating_point_get_value returns a double value");
 453         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 454                 "bt_ctf_field_floating_point_get_value returns a correct value");
 455
 456         enum_field = bt_ctf_field_create(enum_type);
 457         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 458         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 459         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 460         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 461         enum_container_field = bt_ctf_field_enumeration_get_container(
 462                 enum_field);
 463         ok(bt_ctf_field_signed_integer_set_value(
 464                 enum_container_field, -42) == 0,
 465                 "Set signed enumeration container value");
 466         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 467         ok(!strcmp(ret_char, mapping_name_negative_test),
 468                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 469         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 470
 471         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 472         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 473                 enum_field_unsigned);
 474         ok(bt_ctf_field_unsigned_integer_set_value(
 475                 enum_container_field_unsigned, 42) == 0,
 476                 "Set unsigned enumeration container value");
 477         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 478                 enum_field_unsigned);
 479         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 480         ok(!strcmp(ret_char, mapping_name_test),
 481                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 482
 483         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 484
 485         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 486                 "Append simple event to trace stream");
 487
 488         ok(bt_ctf_stream_flush(stream) == 0,
 489                 "Flush trace stream with one event");
 490
 491         bt_ctf_event_class_put(simple_event_class);
 492         bt_ctf_event_put(simple_event);
 493         bt_ctf_field_type_put(uint_12_type);
 494         bt_ctf_field_type_put(int_64_type);
 495         bt_ctf_field_type_put(float_type);
 496         bt_ctf_field_type_put(enum_type);
 497         bt_ctf_field_type_put(enum_type_unsigned);
 498         bt_ctf_field_type_put(returned_type);
 499         bt_ctf_field_put(integer_field);
 500         bt_ctf_field_put(float_field);
 501         bt_ctf_field_put(enum_field);
 502         bt_ctf_field_put(enum_field_unsigned);
 503         bt_ctf_field_put(enum_container_field);
 504         bt_ctf_field_put(enum_container_field_unsigned);
 505 }
 506
 507 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 508                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 509 {
 510         int i;
 511         const char *test_string = "Test string";
 512         struct bt_ctf_field_type *uint_35_type =
 513                 bt_ctf_field_type_integer_create(35);
 514         struct bt_ctf_field_type *int_16_type =
 515                 bt_ctf_field_type_integer_create(16);
 516         struct bt_ctf_field_type *uint_3_type =
 517                 bt_ctf_field_type_integer_create(3);
 518         struct bt_ctf_field_type *enum_variant_type =
 519                 bt_ctf_field_type_enumeration_create(uint_3_type);
 520         struct bt_ctf_field_type *variant_type =
 521                 bt_ctf_field_type_variant_create(enum_variant_type,
 522                         "variant_selector");
 523         struct bt_ctf_field_type *string_type =
 524                 bt_ctf_field_type_string_create();
 525         struct bt_ctf_field_type *sequence_type;
 526         struct bt_ctf_field_type *array_type;
 527         struct bt_ctf_field_type *inner_structure_type =
 528                 bt_ctf_field_type_structure_create();
 529         struct bt_ctf_field_type *complex_structure_type =
 530                 bt_ctf_field_type_structure_create();
 531         struct bt_ctf_field_type *ret_field_type;
 532         struct bt_ctf_event_class *event_class;
 533         struct bt_ctf_event *event;
 534         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 535                 *inner_structure_field, *complex_structure_field,
 536                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 537                 *variant_field, *an_array_field, *ret_field;
 538         uint64_t ret_unsigned_int;
 539         int64_t ret_signed_int;
 540         const char *ret_string;
 541         size_t ret_size_t;
 542
 543         bt_ctf_field_type_set_alignment(int_16_type, 32);
 544         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 545         bt_ctf_field_type_integer_set_base(uint_35_type,
 546                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 547
 548         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 549         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 550                 "seq_len");
 551
 552         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 553                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 554         ret_field_type = bt_ctf_field_type_array_get_element_type(
 555                 array_type);
 556         ok(ret_field_type == int_16_type,
 557                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 558         bt_ctf_field_type_put(ret_field_type);
 559
 560         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 561                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 562         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 563                 "bt_ctf_field_type_array_get_length returns the correct length");
 564
 565         bt_ctf_field_type_structure_add_field(inner_structure_type,
 566                 uint_35_type, "seq_len");
 567         bt_ctf_field_type_structure_add_field(inner_structure_type,
 568                 sequence_type, "a_sequence");
 569         bt_ctf_field_type_structure_add_field(inner_structure_type,
 570                 array_type, "an_array");
 571
 572         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 573                 "UINT3_TYPE", 0, 0);
 574         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 575                 "INT16_TYPE", 1, 1);
 576         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 577                 "UINT35_TYPE", 2, 7);
 578
 579         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL, "INT16_TYPE",
 580                 &ret_size_t) < 0,
 581                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 582         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, NULL,
 583                 &ret_size_t) < 0,
 584                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 585         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, "INT16_TYPE",
 586                 NULL) < 0,
 587                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL index correctly");
 588         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, "INT16_TYPE",
 589                 &ret_size_t) == 0,
 590                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns a value");
 591         ok(ret_size_t == 1,
 592                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 593
 594         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1, &ret_size_t) < 0,
 595                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 596         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 1, NULL) < 0,
 597                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL index correctly");
 598         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42, &ret_size_t) < 0,
 599                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 600         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5, &ret_size_t) == 0,
 601                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 602         ok(ret_size_t == 2,
 603                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 604
 605         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 606                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 607         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 608                 "UINT3_TYPE") == 0, "Add a field to a variant");
 609         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 610                 "INT16_TYPE");
 611         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 612                 "UINT35_TYPE");
 613
 614         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 615                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 616         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 617         ok(ret_field_type == enum_variant_type,
 618                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 619         bt_ctf_field_type_put(ret_field_type);
 620
 621         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 622                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 623         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 624         ok(!strcmp(ret_string, "variant_selector"),
 625                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 626         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 627                 "INT16_TYPE") == NULL,
 628                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 629         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 630                 NULL) == NULL,
 631                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 632         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 633                 variant_type, "INT16_TYPE");
 634         ok(ret_field_type == int_16_type,
 635                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 636         bt_ctf_field_type_put(ret_field_type);
 637
 638         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 639                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 640         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 641                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 642
 643         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 644                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 645         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) < 0,
 646                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 647         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) < 0,
 648                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 649         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 650                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 651         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 652                 "bt_ctf_field_type_variant_get_field returns a field");
 653         ok(!strcmp("INT16_TYPE", ret_string),
 654                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 655         ok(ret_field_type == int_16_type,
 656                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 657         bt_ctf_field_type_put(ret_field_type);
 658
 659         bt_ctf_field_type_structure_add_field(complex_structure_type,
 660                 enum_variant_type, "variant_selector");
 661         bt_ctf_field_type_structure_add_field(complex_structure_type,
 662                 string_type, "a_string");
 663         bt_ctf_field_type_structure_add_field(complex_structure_type,
 664                 variant_type, "variant_value");
 665         bt_ctf_field_type_structure_add_field(complex_structure_type,
 666                 inner_structure_type, "inner_structure");
 667
 668         ok(bt_ctf_event_class_create("clock") == NULL,
 669                 "Reject creation of an event class with an illegal name");
 670         event_class = bt_ctf_event_class_create("Complex Test Event");
 671         ok(event_class, "Create an event class");
 672         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 673                 "Reject addition of a field with an empty name to an event");
 674         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 675                 "Reject addition of a field with a NULL type to an event");
 676         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 677                 "int"),
 678                 "Reject addition of a type with an illegal name to an event");
 679         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 680                 "uint_35") == 0,
 681                 "Add field of type unsigned integer to an event");
 682         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 683                 "int_16") == 0, "Add field of type signed integer to an event");
 684         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 685                 "complex_structure") == 0,
 686                 "Add composite structure to an event");
 687
 688         /* Add event class to the stream class */
 689         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 690                 "Reject addition of NULL event class to a stream class");
 691         ok(bt_ctf_stream_class_add_event_class(stream_class,
 692                 event_class) == 0, "Add an event class to stream class");
 693
 694         event = bt_ctf_event_create(event_class);
 695         ok(event, "Instanciate a complex event");
 696
 697         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 698         if (!uint_35_field) {
 699                 printf("uint_35_field is NULL\n");
 700         }
 701
 702         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 703         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 704         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) == -1,
 705                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 706         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) == -1,
 707                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 708         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 709                 &ret_unsigned_int) == 0,
 710                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 711         ok(ret_unsigned_int == 0x0DDF00D,
 712                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 713         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 714                 &ret_signed_int) == -1,
 715                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 716         bt_ctf_field_put(uint_35_field);
 717
 718         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 719         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 720         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) == -1,
 721                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 722         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) == -1,
 723                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 724         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 725                 &ret_signed_int) == 0,
 726                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 727         ok(ret_signed_int == -12345,
 728                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 729         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 730                 &ret_unsigned_int) == -1,
 731                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 732         bt_ctf_field_put(int_16_field);
 733
 734         complex_structure_field = bt_ctf_event_get_payload(event,
 735                 "complex_structure");
 736
 737         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 738                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 739         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 740                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 741         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 742                 complex_structure_field, 3);
 743         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 744         bt_ctf_field_put(inner_structure_field);
 745         ok(ret_field_type == inner_structure_type,
 746                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 747         bt_ctf_field_type_put(ret_field_type);
 748
 749         inner_structure_field = bt_ctf_field_structure_get_field(
 750                 complex_structure_field, "inner_structure");
 751         a_string_field = bt_ctf_field_structure_get_field(
 752                 complex_structure_field, "a_string");
 753         enum_variant_field = bt_ctf_field_structure_get_field(
 754                 complex_structure_field, "variant_selector");
 755         variant_field = bt_ctf_field_structure_get_field(
 756                 complex_structure_field, "variant_value");
 757         uint_35_field = bt_ctf_field_structure_get_field(
 758                 inner_structure_field, "seq_len");
 759         a_sequence_field = bt_ctf_field_structure_get_field(
 760                 inner_structure_field, "a_sequence");
 761         an_array_field = bt_ctf_field_structure_get_field(
 762                 inner_structure_field, "an_array");
 763
 764         enum_container_field = bt_ctf_field_enumeration_get_container(
 765                 enum_variant_field);
 766         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 767         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 768                 enum_variant_field);
 769         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 770         bt_ctf_field_put(int_16_field);
 771         ok(!bt_ctf_field_string_get_value(a_string_field),
 772                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 773         bt_ctf_field_string_set_value(a_string_field,
 774                 test_string);
 775         ok(!bt_ctf_field_string_get_value(NULL),
 776                 "bt_ctf_field_string_get_value correctly handles NULL");
 777         ret_string = bt_ctf_field_string_get_value(a_string_field);
 778         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
 779         ok(!strcmp(ret_string, test_string),
 780                 "bt_ctf_field_string_get_value returns a correct value");
 781         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
 782                 SEQUENCE_TEST_LENGTH);
 783
 784         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
 785                 enum_container_field) == NULL,
 786                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
 787         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
 788                 NULL) == NULL,
 789                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
 790         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
 791                 variant_type, enum_variant_field);
 792         ok(ret_field_type == int_16_type,
 793                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
 794
 795         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
 796                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
 797         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
 798                 uint_35_field) == 0, "Set a sequence field's length");
 799         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
 800         ok(ret_field == uint_35_field,
 801                 "bt_ctf_field_sequence_get_length returns the correct length field");
 802         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
 803                 "bt_ctf_field_sequence_get_length properly handles NULL");
 804
 805         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
 806                 int_16_field = bt_ctf_field_sequence_get_field(
 807                         a_sequence_field, i);
 808                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
 809                 bt_ctf_field_put(int_16_field);
 810         }
 811
 812         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
 813                 int_16_field = bt_ctf_field_array_get_field(
 814                         an_array_field, i);
 815                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
 816                 bt_ctf_field_put(int_16_field);
 817         }
 818
 819         bt_ctf_clock_set_time(clock, ++current_time);
 820         ok(bt_ctf_stream_append_event(stream, event) == 0,
 821                 "Append a complex event to a stream");
 822         ok(bt_ctf_stream_flush(stream) == 0,
 823                 "Flush a stream containing a complex event");
 824
 825         bt_ctf_field_put(uint_35_field);
 826         bt_ctf_field_put(a_string_field);
 827         bt_ctf_field_put(inner_structure_field);
 828         bt_ctf_field_put(complex_structure_field);
 829         bt_ctf_field_put(a_sequence_field);
 830         bt_ctf_field_put(an_array_field);
 831         bt_ctf_field_put(enum_variant_field);
 832         bt_ctf_field_put(enum_container_field);
 833         bt_ctf_field_put(variant_field);
 834         bt_ctf_field_put(ret_field);
 835         bt_ctf_field_type_put(uint_35_type);
 836         bt_ctf_field_type_put(int_16_type);
 837         bt_ctf_field_type_put(string_type);
 838         bt_ctf_field_type_put(sequence_type);
 839         bt_ctf_field_type_put(array_type);
 840         bt_ctf_field_type_put(inner_structure_type);
 841         bt_ctf_field_type_put(complex_structure_type);
 842         bt_ctf_field_type_put(uint_3_type);
 843         bt_ctf_field_type_put(enum_variant_type);
 844         bt_ctf_field_type_put(variant_type);
 845         bt_ctf_field_type_put(ret_field_type);
 846         bt_ctf_event_class_put(event_class);
 847         bt_ctf_event_put(event);
 848 }
 849
 850 void type_field_tests()
 851 {
 852         struct bt_ctf_field *uint_12;
 853         struct bt_ctf_field *int_16;
 854         struct bt_ctf_field *string;
 855         struct bt_ctf_field *enumeration;
 856         struct bt_ctf_field_type *composite_structure_type;
 857         struct bt_ctf_field_type *structure_seq_type;
 858         struct bt_ctf_field_type *string_type;
 859         struct bt_ctf_field_type *sequence_type;
 860         struct bt_ctf_field_type *uint_8_type;
 861         struct bt_ctf_field_type *int_16_type;
 862         struct bt_ctf_field_type *uint_12_type =
 863                 bt_ctf_field_type_integer_create(12);
 864         struct bt_ctf_field_type *enumeration_type;
 865         struct bt_ctf_field_type *enumeration_sequence_type;
 866         struct bt_ctf_field_type *enumeration_array_type;
 867         struct bt_ctf_field_type *returned_type;
 868         const char *ret_string;
 869
 870         returned_type = bt_ctf_field_get_type(NULL);
 871         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
 872
 873         ok(uint_12_type, "Create an unsigned integer type");
 874         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 875                 BT_CTF_INTEGER_BASE_BINARY) == 0,
 876                 "Set integer type's base as binary");
 877         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 878                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
 879                 "Set integer type's base as decimal");
 880         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 881                 BT_CTF_INTEGER_BASE_UNKNOWN),
 882                 "Reject integer type's base set as unknown");
 883         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 884                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
 885                 "Set integer type's base as octal");
 886         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 887                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
 888                 "Set integer type's base as hexadecimal");
 889         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
 890                 "Reject unknown integer base value");
 891         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
 892                 "Set integer type signedness to signed");
 893         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
 894                 "Set integer type signedness to unsigned");
 895         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
 896                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
 897         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
 898                 "bt_ctf_field_type_integer_get_size returns a correct value");
 899         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
 900                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
 901         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
 902                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
 903
 904         ok(bt_ctf_field_type_set_byte_order(NULL,
 905                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
 906                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
 907         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 908                 (enum bt_ctf_byte_order) 42) < 0,
 909                 "bt_ctf_field_type_set_byte_order rejects invalid values");
 910         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 911                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
 912                 "Set an integer's byte order to little endian");
 913         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 914                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
 915                 "Set an integer's byte order to big endian");
 916         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
 917                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
 918                 "bt_ctf_field_type_get_byte_order returns a correct value");
 919         ok(bt_ctf_field_type_get_byte_order(NULL) ==
 920                 BT_CTF_BYTE_ORDER_UNKNOWN,
 921                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
 922
 923         ok(bt_ctf_field_type_get_type_id(NULL) ==
 924                 CTF_TYPE_UNKNOWN,
 925                 "bt_ctf_field_type_get_type_id handles NULL correctly");
 926         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
 927                 CTF_TYPE_INTEGER,
 928                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
 929
 930         ok(bt_ctf_field_type_integer_get_base(NULL) ==
 931                 BT_CTF_INTEGER_BASE_UNKNOWN,
 932                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
 933         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
 934                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
 935                 "bt_ctf_field_type_integer_get_base returns a correct value");
 936
 937         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
 938                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
 939         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
 940                 (enum ctf_string_encoding) 123) < 0,
 941                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
 942         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
 943                 CTF_STRING_UTF8) == 0,
 944                 "Set integer type encoding to UTF8");
 945         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
 946                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
 947         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
 948                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
 949
 950         int_16_type = bt_ctf_field_type_integer_create(16);
 951         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 952         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
 953                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
 954         uint_8_type = bt_ctf_field_type_integer_create(8);
 955         sequence_type =
 956                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
 957         ok(sequence_type, "Create a sequence of int16_t type");
 958         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
 959                 CTF_TYPE_SEQUENCE,
 960                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
 961
 962         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
 963                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
 964         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
 965                 sequence_type);
 966         ok(!strcmp(ret_string, "seq_len"),
 967                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
 968         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
 969                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
 970         returned_type = bt_ctf_field_type_sequence_get_element_type(
 971                 sequence_type);
 972         ok(returned_type == int_16_type,
 973                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
 974         bt_ctf_field_type_put(returned_type);
 975
 976         string_type = bt_ctf_field_type_string_create();
 977         ok(string_type, "Create a string type");
 978         ok(bt_ctf_field_type_string_set_encoding(string_type,
 979                 CTF_STRING_NONE),
 980                 "Reject invalid \"None\" string encoding");
 981         ok(bt_ctf_field_type_string_set_encoding(string_type,
 982                 42),
 983                 "Reject invalid string encoding");
 984         ok(bt_ctf_field_type_string_set_encoding(string_type,
 985                 CTF_STRING_ASCII) == 0,
 986                 "Set string encoding to ASCII");
 987
 988         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
 989                 CTF_STRING_UNKNOWN,
 990                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
 991         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
 992                 CTF_STRING_ASCII,
 993                 "bt_ctf_field_type_string_get_encoding returns the correct value");
 994
 995         structure_seq_type = bt_ctf_field_type_structure_create();
 996         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
 997                 CTF_TYPE_STRUCT,
 998                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
 999         ok(structure_seq_type, "Create a structure type");
1000         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1001                 uint_8_type, "seq_len") == 0,
1002                 "Add a uint8_t type to a structure");
1003         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1004                 sequence_type, "a_sequence") == 0,
1005                 "Add a sequence type to a structure");
1006
1007         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1008                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1009         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1010                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1011
1012         ok(bt_ctf_field_type_structure_get_field(NULL,
1013                 &ret_string, &returned_type, 1) < 0,
1014                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1015         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1016                 NULL, &returned_type, 1) < 0,
1017                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1018         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1019                 &ret_string, NULL, 1) < 0,
1020                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1021         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1022                 &ret_string, &returned_type, 10) < 0,
1023                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1024         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1025                 &ret_string, &returned_type, 1) == 0,
1026                 "bt_ctf_field_type_structure_get_field returns a field");
1027         ok(!strcmp(ret_string, "a_sequence"),
1028                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1029         ok(returned_type == sequence_type,
1030                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1031         bt_ctf_field_type_put(returned_type);
1032
1033         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1034                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1035         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1036                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1037         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1038                 structure_seq_type, "a_sequence");
1039         ok(returned_type == sequence_type,
1040                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1041         bt_ctf_field_type_put(returned_type);
1042
1043         composite_structure_type = bt_ctf_field_type_structure_create();
1044         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1045                 string_type, "a_string") == 0,
1046                 "Add a string type to a structure");
1047         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1048                 structure_seq_type, "inner_structure") == 0,
1049                 "Add a structure type to a structure");
1050
1051         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1052                 NULL, "a_sequence") == NULL,
1053                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1054         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1055                 structure_seq_type, NULL) == NULL,
1056                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1057         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1058                 structure_seq_type, "a_sequence");
1059         ok(returned_type == sequence_type,
1060                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1061         bt_ctf_field_type_put(returned_type);
1062
1063         int_16 = bt_ctf_field_create(int_16_type);
1064         ok(int_16, "Instanciate a signed 16-bit integer");
1065         uint_12 = bt_ctf_field_create(uint_12_type);
1066         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1067         returned_type = bt_ctf_field_get_type(int_16);
1068         ok(returned_type == int_16_type,
1069                 "bt_ctf_field_get_type returns the correct type");
1070
1071         /* Can't modify types after instanciating them */
1072         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1073                 BT_CTF_INTEGER_BASE_DECIMAL),
1074                 "Check an integer type' base can't be modified after instanciation");
1075         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1076                 "Check an integer type's signedness can't be modified after instanciation");
1077
1078         /* Check signed property is checked */
1079         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1080                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1081         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1082                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1083
1084         /* Check overflows are properly tested for */
1085         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1086                 "Check -32768 is allowed for a signed 16-bit integer");
1087         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1088                 "Check 32767 is allowed for a signed 16-bit integer");
1089         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1090                 "Check 32768 is not allowed for a signed 16-bit integer");
1091         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1092                 "Check -32769 is not allowed for a signed 16-bit integer");
1093         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1094                 "Check -42 is allowed for a signed 16-bit integer");
1095
1096         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1097                 "Check 4095 is allowed for an unsigned 12-bit integer");
1098         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1099                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1100         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1101                 "Check 0 is allowed for an unsigned 12-bit integer");
1102
1103         string = bt_ctf_field_create(string_type);
1104         ok(string, "Instanciate a string field");
1105         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1106                 "Set a string's value");
1107
1108         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1109         ok(enumeration_type,
1110                 "Create an enumeration type with an unsigned 12-bit integer as container");
1111         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
1112                 enumeration_type, "count");
1113         ok(!enumeration_sequence_type,
1114                 "Check enumeration types are validated when creating a sequence");
1115         enumeration_array_type = bt_ctf_field_type_array_create(
1116                 enumeration_type, 10);
1117         ok(!enumeration_array_type,
1118                 "Check enumeration types are validated when creating an array");
1119         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1120                 enumeration_type, "enumeration") == 0,
1121                 "Check enumeration types are validated when adding them as structure members");
1122         enumeration = bt_ctf_field_create(enumeration_type);
1123         ok(!enumeration,
1124                 "Check enumeration types are validated before instantiation");
1125
1126         bt_ctf_field_put(string);
1127         bt_ctf_field_put(uint_12);
1128         bt_ctf_field_put(int_16);
1129         bt_ctf_field_put(enumeration);
1130         bt_ctf_field_type_put(composite_structure_type);
1131         bt_ctf_field_type_put(structure_seq_type);
1132         bt_ctf_field_type_put(string_type);
1133         bt_ctf_field_type_put(sequence_type);
1134         bt_ctf_field_type_put(uint_8_type);
1135         bt_ctf_field_type_put(int_16_type);
1136         bt_ctf_field_type_put(uint_12_type);
1137         bt_ctf_field_type_put(enumeration_type);
1138         bt_ctf_field_type_put(enumeration_sequence_type);
1139         bt_ctf_field_type_put(enumeration_array_type);
1140         bt_ctf_field_type_put(returned_type);
1141 }
1142
1143 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1144                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1145 {
1146         /*
1147          * Append enough events to force the underlying packet to be resized.
1148          * Also tests that a new event can be declared after a stream has been
1149          * instantiated and used/flushed.
1150          */
1151         int ret = 0;
1152         int i;
1153         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1154                 "Spammy_Event");
1155         struct bt_ctf_field_type *integer_type =
1156                 bt_ctf_field_type_integer_create(17);
1157         struct bt_ctf_field_type *string_type =
1158                 bt_ctf_field_type_string_create();
1159
1160         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1161                 "field_1");
1162         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1163                 "a_string");
1164         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1165         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1166         if (ret) {
1167                 goto end;
1168         }
1169
1170         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
1171                 struct bt_ctf_event *event = bt_ctf_event_create(event_class);
1172                 struct bt_ctf_field *integer =
1173                         bt_ctf_field_create(integer_type);
1174                 struct bt_ctf_field *string =
1175                         bt_ctf_field_create(string_type);
1176
1177                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1178                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1179                 ret |= bt_ctf_event_set_payload(event, "field_1",
1180                         integer);
1181                 bt_ctf_field_put(integer);
1182                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1183                 ret |= bt_ctf_event_set_payload(event, "a_string",
1184                         string);
1185                 bt_ctf_field_put(string);
1186                 ret |= bt_ctf_stream_append_event(stream, event);
1187                 bt_ctf_event_put(event);
1188
1189                 if (ret) {
1190                         break;
1191                 }
1192         }
1193 end:
1194         ok(ret == 0, "Append 100 000 events to a stream");
1195         ok(bt_ctf_stream_flush(stream) == 0,
1196                 "Flush a stream that forces a packet resize");
1197         bt_ctf_field_type_put(integer_type);
1198         bt_ctf_field_type_put(string_type);
1199         bt_ctf_event_class_put(event_class);
1200 }
1201
1202 int main(int argc, char **argv)
1203 {
1204         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
1205         char metadata_path[sizeof(trace_path) + 9];
1206         const char *clock_name = "test_clock";
1207         const char *clock_description = "This is a test clock";
1208         const char *returned_clock_name;
1209         const char *returned_clock_description;
1210         const uint64_t frequency = 1123456789;
1211         const uint64_t offset_s = 1351530929945824323;
1212         const uint64_t offset = 1234567;
1213         const uint64_t precision = 10;
1214         const int is_absolute = 0xFF;
1215         char *metadata_string;
1216         struct bt_ctf_writer *writer;
1217         struct utsname name;
1218         char hostname[HOST_NAME_MAX];
1219         struct bt_ctf_clock *clock;
1220         struct bt_ctf_stream_class *stream_class;
1221         struct bt_ctf_stream *stream1;
1222
1223         if (argc < 3) {
1224                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
1225                 exit(-1);
1226         }
1227
1228         plan_no_plan();
1229
1230         if (!mkdtemp(trace_path)) {
1231                 perror("# perror");
1232         }
1233
1234         strcpy(metadata_path, trace_path);
1235         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
1236
1237         writer = bt_ctf_writer_create(trace_path);
1238         ok(writer, "bt_ctf_create succeeds in creating trace with path");
1239
1240         /* Add environment context to the trace */
1241         gethostname(hostname, HOST_NAME_MAX);
1242         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
1243                 "Add host (%s) environment field to writer instance",
1244                 hostname);
1245         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
1246                 "test_value"),
1247                 "bt_ctf_writer_add_environment_field error with NULL writer");
1248         ok(bt_ctf_writer_add_environment_field(writer, NULL,
1249                 "test_value"),
1250                 "bt_ctf_writer_add_environment_field error with NULL field name");
1251         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
1252                 NULL),
1253                 "bt_ctf_writer_add_environment_field error with NULL field value");
1254
1255         if (uname(&name)) {
1256                 perror("uname");
1257                 return -1;
1258         }
1259
1260         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
1261                 == 0, "Add sysname (%s) environment field to writer instance",
1262                 name.sysname);
1263         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
1264                 name.nodename) == 0,
1265                 "Add nodename (%s) environment field to writer instance",
1266                 name.nodename);
1267         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
1268                 == 0, "Add release (%s) environment field to writer instance",
1269                 name.release);
1270         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
1271                 == 0, "Add version (%s) environment field to writer instance",
1272                 name.version);
1273         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
1274                 == 0, "Add machine (%s) environment field to writer istance",
1275                 name.machine);
1276
1277         /* Define a clock and add it to the trace */
1278         ok(bt_ctf_clock_create("signed") == NULL,
1279                 "Illegal clock name rejected");
1280         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
1281         clock = bt_ctf_clock_create(clock_name);
1282         ok(clock, "Clock created sucessfully");
1283         returned_clock_name = bt_ctf_clock_get_name(clock);
1284         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
1285         ok(strcmp(returned_clock_name, clock_name) == 0,
1286                 "Returned clock name is valid");
1287
1288         returned_clock_description = bt_ctf_clock_get_description(clock);
1289         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
1290         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
1291                 "Clock description set successfully");
1292
1293         returned_clock_description = bt_ctf_clock_get_description(clock);
1294         ok(returned_clock_description,
1295                 "bt_ctf_clock_get_description returns a description.");
1296         ok(strcmp(returned_clock_description, clock_description) == 0,
1297                 "Returned clock description is valid");
1298
1299         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
1300                 "bt_ctf_clock_get_frequency returns the correct default frequency");
1301         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
1302                 "Set clock frequency");
1303         ok(bt_ctf_clock_get_frequency(clock) == frequency,
1304                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
1305
1306         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
1307                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
1308         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
1309                 "Set clock offset (seconds)");
1310         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
1311                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
1312
1313         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
1314                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
1315         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
1316         ok(bt_ctf_clock_get_offset(clock) == offset,
1317                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
1318
1319         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
1320                 "bt_ctf_clock_get_precision returns the correct default precision");
1321         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
1322                 "Set clock precision");
1323         ok(bt_ctf_clock_get_precision(clock) == precision,
1324                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
1325
1326         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
1327                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
1328         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
1329                 "Set clock absolute property");
1330         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
1331                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
1332
1333         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
1334                 "bt_ctf_clock_get_time returns the correct default time");
1335         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
1336                 "Set clock time");
1337         ok(bt_ctf_clock_get_time(clock) == current_time,
1338                 "bt_ctf_clock_get_time returns the correct time once it is set");
1339
1340         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
1341                 "Add clock to writer instance");
1342         ok(bt_ctf_writer_add_clock(writer, clock),
1343                 "Verify a clock can't be added twice to a writer instance");
1344
1345         ok(!bt_ctf_clock_get_name(NULL),
1346                 "bt_ctf_clock_get_name correctly handles NULL");
1347         ok(!bt_ctf_clock_get_description(NULL),
1348                 "bt_ctf_clock_get_description correctly handles NULL");
1349         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
1350                 "bt_ctf_clock_get_frequency correctly handles NULL");
1351         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
1352                 "bt_ctf_clock_get_precision correctly handles NULL");
1353         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
1354                 "bt_ctf_clock_get_offset_s correctly handles NULL");
1355         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
1356                 "bt_ctf_clock_get_offset correctly handles NULL");
1357         ok(bt_ctf_clock_get_is_absolute(NULL) == -1,
1358                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
1359         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
1360                 "bt_ctf_clock_get_time correctly handles NULL");
1361
1362         ok(bt_ctf_clock_set_description(NULL, NULL) == -1,
1363                 "bt_ctf_clock_set_description correctly handles NULL clock");
1364         ok(bt_ctf_clock_set_frequency(NULL, frequency) == -1,
1365                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
1366         ok(bt_ctf_clock_set_precision(NULL, precision) == -1,
1367                 "bt_ctf_clock_get_precision correctly handles NULL clock");
1368         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) == -1,
1369                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
1370         ok(bt_ctf_clock_set_offset(NULL, offset) == -1,
1371                 "bt_ctf_clock_set_offset correctly handles NULL clock");
1372         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) == -1,
1373                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
1374         ok(bt_ctf_clock_set_time(NULL, current_time) == -1,
1375                 "bt_ctf_clock_set_time correctly handles NULL clock");
1376
1377         /* Define a stream class */
1378         stream_class = bt_ctf_stream_class_create("test_stream");
1379         ok(stream_class, "Create stream class");
1380         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
1381                 "Set a stream class' clock");
1382
1383         /* Test the event fields and event types APIs */
1384         type_field_tests();
1385
1386         /* Instantiate a stream and append events */
1387         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
1388         ok(stream1, "Instanciate a stream class from writer");
1389
1390         /* Should fail after instanciating a stream (locked)*/
1391         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
1392                 "Changes to a stream class that was already instantiated fail");
1393
1394         append_simple_event(stream_class, stream1, clock);
1395
1396         packet_resize_test(stream_class, stream1, clock);
1397
1398         append_complex_event(stream_class, stream1, clock);
1399
1400         metadata_string = bt_ctf_writer_get_metadata_string(writer);
1401         ok(metadata_string, "Get metadata string");
1402
1403         bt_ctf_writer_flush_metadata(writer);
1404         validate_metadata(argv[1], metadata_path);
1405         validate_trace(argv[2], trace_path);
1406
1407         bt_ctf_clock_put(clock);
1408         bt_ctf_stream_class_put(stream_class);
1409         bt_ctf_writer_put(writer);
1410         bt_ctf_stream_put(stream1);
1411         free(metadata_string);
1412
1413         /* Remove all trace files and delete temporary trace directory */
1414         DIR *trace_dir = opendir(trace_path);
1415         if (!trace_dir) {
1416                 perror("# opendir");
1417                 return -1;
1418         }
1419
1420         struct dirent *entry;
1421         while ((entry = readdir(trace_dir))) {
1422                 if (entry->d_type == DT_REG) {
1423                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
1424                 }
1425         }
1426
1427         rmdir(trace_path);
1428         closedir(trace_dir);
1429
1430         return 0;
1431 }