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         struct bt_ctf_clock *ret_clock;
 289
 290         ok(uint_12_type, "Create an unsigned integer type");
 291
 292         bt_ctf_field_type_integer_set_signed(int_64_type, 1);
 293         ok(int_64_type, "Create a signed integer type");
 294         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 295
 296         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 297         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 298         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 299         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 300                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 301
 302         bt_ctf_field_type_set_alignment(float_type, 32);
 303         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 304                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 305         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 306                 "bt_ctf_field_type_get_alignment returns a correct value");
 307
 308         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 309                 "Set a floating point type's exponent digit count");
 310         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 311                 "Set a floating point type's mantissa digit count");
 312
 313         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 314                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 315         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 316                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 317         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 318                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 319         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 320                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 321
 322         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 323                 mapping_name_negative_test, -12345, 0) == 0,
 324                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 325         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 326                 "escaping; \"test\"", 1, 1) == 0,
 327                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 328         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 329                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 330                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 331         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 332                 "event clock int float", 5, 22) == 0,
 333                 "Accept enumeration mapping strings containing reserved keywords");
 334         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 335                 42, 42);
 336         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 337                 43, 51), "bt_ctf_field_type_enumeration_add_mapping rejects duplicate mapping names");
 338         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 339                 -500, -400), "bt_ctf_field_type_enumeration_add_mapping rejects overlapping enum entries");
 340         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 341                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 342         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 343
 344         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(NULL, -42, &ret_size_t) < 0,
 345                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL field type correctly");
 346         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -42, NULL) < 0,
 347                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles a NULL index correctly");
 348         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, 1000000, &ret_size_t) < 0,
 349                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 350         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_value(enum_type, -55, &ret_size_t) == 0,
 351                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value handles invalid values correctly");
 352         ok(ret_size_t == 1,
 353                 "bt_ctf_field_type_enumeration_get_mapping_index_by_value returns the correct index");
 354
 355         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 356                 "enum_field") == 0, "Add signed enumeration field to event");
 357
 358         ok(bt_ctf_field_type_enumeration_get_mapping(NULL, 0, &ret_char,
 359                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 360                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL enumeration correctly");
 361         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, NULL,
 362                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 363                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL string correctly");
 364         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 365                 NULL, &ret_range_end_int64_t) < 0,
 366                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL start correctly");
 367         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 0, &ret_char,
 368                 &ret_range_start_int64_t, NULL) < 0,
 369                 "bt_ctf_field_type_enumeration_get_mapping handles a NULL end correctly");
 370         ok(bt_ctf_field_type_enumeration_get_mapping(enum_type, 5, &ret_char,
 371                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 372                 "bt_ctf_field_type_enumeration_get_mapping returns a value");
 373         ok(!strcmp(ret_char, mapping_name_test),
 374                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping name");
 375         ok(ret_range_start_int64_t == 42,
 376                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping start");
 377         ok(ret_range_end_int64_t == 42,
 378                 "bt_ctf_field_type_enumeration_get_mapping returns a correct mapping end");
 379
 380         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 381                 "escaping; \"test\"", 0, 0) == 0,
 382                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 383         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 384                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 385                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 386         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 387                 "event clock int float", 5, 22) == 0,
 388                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 389         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 390                 42, 42);
 391         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 392                 43, 51), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects duplicate mapping names");
 393         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 394                 7, 8), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects overlapping enum entries");
 395         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 396                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 397         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 398                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 399
 400         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 401                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 402         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 4,
 403                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 404
 405         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 406                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 407                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 408         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 409                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 410                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 411         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 412                 NULL, &ret_range_end_uint64_t) < 0,
 413                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 414         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 415                 &ret_range_start_uint64_t, NULL) < 0,
 416                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 417         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 3, &ret_char,
 418                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 419                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 420         ok(!strcmp(ret_char, mapping_name_test),
 421                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 422         ok(ret_range_start_uint64_t == 42,
 423                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 424         ok(ret_range_end_uint64_t == 42,
 425                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 426
 427         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 428                 "integer_field");
 429         bt_ctf_event_class_add_field(simple_event_class, float_type,
 430                 "float_field");
 431         bt_ctf_stream_class_add_event_class(stream_class,
 432                 simple_event_class);
 433
 434         simple_event = bt_ctf_event_create(simple_event_class);
 435         ok(simple_event,
 436                 "Instantiate an event containing a single integer field");
 437
 438         ok(bt_ctf_event_get_clock(NULL) == NULL,
 439                 "bt_ctf_event_get_clock handles NULL correctly");
 440         ret_clock = bt_ctf_event_get_clock(simple_event);
 441         ok(ret_clock == clock,
 442                 "bt_ctf_event_get_clock returns a correct clock");
 443         bt_ctf_clock_put(clock);
 444
 445         integer_field = bt_ctf_field_create(uint_12_type);
 446         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 447         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 448                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 449
 450         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 451         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 452                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 453         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 454         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 455                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 456         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 457                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 458         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 459                 "bt_ctf_field_floating_point_get_value returns a double value");
 460         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 461                 "bt_ctf_field_floating_point_get_value returns a correct value");
 462
 463         enum_field = bt_ctf_field_create(enum_type);
 464         ret_char = bt_ctf_field_enumeration_get_mapping_name(NULL);
 465         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name handles NULL correctly");
 466         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 467         ok(!ret_char, "bt_ctf_field_enumeration_get_mapping_name returns NULL if the enumeration's container field is unset");
 468         enum_container_field = bt_ctf_field_enumeration_get_container(
 469                 enum_field);
 470         ok(bt_ctf_field_signed_integer_set_value(
 471                 enum_container_field, -42) == 0,
 472                 "Set signed enumeration container value");
 473         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field);
 474         ok(!strcmp(ret_char, mapping_name_negative_test),
 475                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an signed container");
 476         bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 477
 478         enum_field_unsigned = bt_ctf_field_create(enum_type_unsigned);
 479         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 480                 enum_field_unsigned);
 481         ok(bt_ctf_field_unsigned_integer_set_value(
 482                 enum_container_field_unsigned, 42) == 0,
 483                 "Set unsigned enumeration container value");
 484         bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 485                 enum_field_unsigned);
 486         ret_char = bt_ctf_field_enumeration_get_mapping_name(enum_field_unsigned);
 487         ok(!strcmp(ret_char, mapping_name_test),
 488                 "bt_ctf_field_enumeration_get_mapping_name returns the correct mapping name with an unsigned container");
 489
 490         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 491
 492         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 493                 "Append simple event to trace stream");
 494
 495         ok(bt_ctf_stream_flush(stream) == 0,
 496                 "Flush trace stream with one event");
 497
 498         bt_ctf_event_class_put(simple_event_class);
 499         bt_ctf_event_put(simple_event);
 500         bt_ctf_field_type_put(uint_12_type);
 501         bt_ctf_field_type_put(int_64_type);
 502         bt_ctf_field_type_put(float_type);
 503         bt_ctf_field_type_put(enum_type);
 504         bt_ctf_field_type_put(enum_type_unsigned);
 505         bt_ctf_field_type_put(returned_type);
 506         bt_ctf_field_put(integer_field);
 507         bt_ctf_field_put(float_field);
 508         bt_ctf_field_put(enum_field);
 509         bt_ctf_field_put(enum_field_unsigned);
 510         bt_ctf_field_put(enum_container_field);
 511         bt_ctf_field_put(enum_container_field_unsigned);
 512 }
 513
 514 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 515                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 516 {
 517         int i;
 518         const char *complex_test_event_string = "Complex Test Event";
 519         const char *test_string = "Test string";
 520         struct bt_ctf_field_type *uint_35_type =
 521                 bt_ctf_field_type_integer_create(35);
 522         struct bt_ctf_field_type *int_16_type =
 523                 bt_ctf_field_type_integer_create(16);
 524         struct bt_ctf_field_type *uint_3_type =
 525                 bt_ctf_field_type_integer_create(3);
 526         struct bt_ctf_field_type *enum_variant_type =
 527                 bt_ctf_field_type_enumeration_create(uint_3_type);
 528         struct bt_ctf_field_type *variant_type =
 529                 bt_ctf_field_type_variant_create(enum_variant_type,
 530                         "variant_selector");
 531         struct bt_ctf_field_type *string_type =
 532                 bt_ctf_field_type_string_create();
 533         struct bt_ctf_field_type *sequence_type;
 534         struct bt_ctf_field_type *array_type;
 535         struct bt_ctf_field_type *inner_structure_type =
 536                 bt_ctf_field_type_structure_create();
 537         struct bt_ctf_field_type *complex_structure_type =
 538                 bt_ctf_field_type_structure_create();
 539         struct bt_ctf_field_type *ret_field_type;
 540         struct bt_ctf_event_class *event_class;
 541         struct bt_ctf_event *event;
 542         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 543                 *inner_structure_field, *complex_structure_field,
 544                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 545                 *variant_field, *an_array_field, *ret_field;
 546         uint64_t ret_unsigned_int;
 547         int64_t ret_signed_int;
 548         const char *ret_string;
 549         size_t ret_size_t;
 550         struct bt_ctf_stream_class *ret_stream_class;
 551         struct bt_ctf_event_class *ret_event_class;
 552
 553         bt_ctf_field_type_set_alignment(int_16_type, 32);
 554         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
 555         bt_ctf_field_type_integer_set_base(uint_35_type,
 556                 BT_CTF_INTEGER_BASE_HEXADECIMAL);
 557
 558         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 559         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 560                 "seq_len");
 561
 562         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 563                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 564         ret_field_type = bt_ctf_field_type_array_get_element_type(
 565                 array_type);
 566         ok(ret_field_type == int_16_type,
 567                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 568         bt_ctf_field_type_put(ret_field_type);
 569
 570         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 571                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 572         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 573                 "bt_ctf_field_type_array_get_length returns the correct length");
 574
 575         bt_ctf_field_type_structure_add_field(inner_structure_type,
 576                 uint_35_type, "seq_len");
 577         bt_ctf_field_type_structure_add_field(inner_structure_type,
 578                 sequence_type, "a_sequence");
 579         bt_ctf_field_type_structure_add_field(inner_structure_type,
 580                 array_type, "an_array");
 581
 582         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 583                 "UINT3_TYPE", 0, 0);
 584         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 585                 "INT16_TYPE", 1, 1);
 586         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 587                 "UINT35_TYPE", 2, 7);
 588
 589         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(NULL, "INT16_TYPE",
 590                 &ret_size_t) < 0,
 591                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL field type correctly");
 592         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, NULL,
 593                 &ret_size_t) < 0,
 594                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL name correctly");
 595         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, "INT16_TYPE",
 596                 NULL) < 0,
 597                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name handles a NULL index correctly");
 598         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_name(enum_variant_type, "INT16_TYPE",
 599                 &ret_size_t) == 0,
 600                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns a value");
 601         ok(ret_size_t == 1,
 602                 "bt_ctf_field_type_enumeration_get_mapping_index_by_name returns the correct index");
 603
 604         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(NULL, 1, &ret_size_t) < 0,
 605                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL field type correctly");
 606         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 1, NULL) < 0,
 607                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles a NULL index correctly");
 608         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, -42, &ret_size_t) < 0,
 609                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 610         ok(bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(enum_variant_type, 5, &ret_size_t) == 0,
 611                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value handles invalid values correctly");
 612         ok(ret_size_t == 2,
 613                 "bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value returns the correct index");
 614
 615         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 616                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 617         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 618                 "UINT3_TYPE") == 0, "Add a field to a variant");
 619         bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 620                 "INT16_TYPE");
 621         bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 622                 "UINT35_TYPE");
 623
 624         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 625                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 626         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 627         ok(ret_field_type == enum_variant_type,
 628                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 629         bt_ctf_field_type_put(ret_field_type);
 630
 631         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 632                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 633         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 634         ok(!strcmp(ret_string, "variant_selector"),
 635                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 636         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 637                 "INT16_TYPE") == NULL,
 638                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 639         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 640                 NULL) == NULL,
 641                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 642         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 643                 variant_type, "INT16_TYPE");
 644         ok(ret_field_type == int_16_type,
 645                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 646         bt_ctf_field_type_put(ret_field_type);
 647
 648         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 649                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 650         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 651                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 652
 653         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 654                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 655         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) < 0,
 656                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 657         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) < 0,
 658                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 659         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 660                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 661         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 662                 "bt_ctf_field_type_variant_get_field returns a field");
 663         ok(!strcmp("INT16_TYPE", ret_string),
 664                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 665         ok(ret_field_type == int_16_type,
 666                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 667         bt_ctf_field_type_put(ret_field_type);
 668
 669         bt_ctf_field_type_structure_add_field(complex_structure_type,
 670                 enum_variant_type, "variant_selector");
 671         bt_ctf_field_type_structure_add_field(complex_structure_type,
 672                 string_type, "a_string");
 673         bt_ctf_field_type_structure_add_field(complex_structure_type,
 674                 variant_type, "variant_value");
 675         bt_ctf_field_type_structure_add_field(complex_structure_type,
 676                 inner_structure_type, "inner_structure");
 677
 678         ok(bt_ctf_event_class_create("clock") == NULL,
 679                 "Reject creation of an event class with an illegal name");
 680         event_class = bt_ctf_event_class_create(complex_test_event_string);
 681         ok(event_class, "Create an event class");
 682         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 683                 "Reject addition of a field with an empty name to an event");
 684         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 685                 "Reject addition of a field with a NULL type to an event");
 686         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 687                 "int"),
 688                 "Reject addition of a type with an illegal name to an event");
 689         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 690                 "uint_35") == 0,
 691                 "Add field of type unsigned integer to an event");
 692         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 693                 "int_16") == 0, "Add field of type signed integer to an event");
 694         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 695                 "complex_structure") == 0,
 696                 "Add composite structure to an event");
 697
 698         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 699                 "bt_ctf_event_class_get_name handles NULL correctly");
 700         ret_string = bt_ctf_event_class_get_name(event_class);
 701         ok(!strcmp(ret_string, complex_test_event_string),
 702                 "bt_ctf_event_class_get_name returns a correct name");
 703         ok(bt_ctf_event_class_get_id(event_class) < 0,
 704                 "bt_ctf_event_class_get_id returns a negative value when not set");
 705         ok(bt_ctf_event_class_get_id(NULL) < 0,
 706                 "bt_ctf_event_class_get_id handles NULL correctly");
 707         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 708                 "bt_ctf_event_class_set_id handles NULL correctly");
 709         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 710                 "Set an event class' id");
 711         ok(bt_ctf_event_class_get_id(event_class) == 42,
 712                 "bt_ctf_event_class_get_id returns the correct value");
 713
 714         /* Add event class to the stream class */
 715         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 716                 "Reject addition of NULL event class to a stream class");
 717         ok(bt_ctf_stream_class_add_event_class(stream_class,
 718                 event_class) == 0, "Add an event class to stream class");
 719
 720         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 721                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 722         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 723         ok(ret_stream_class == stream_class,
 724                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 725         bt_ctf_stream_class_put(ret_stream_class);
 726
 727         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
 728                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 729         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
 730                 "bt_ctf_event_class_get_field_count returns a correct value");
 731
 732         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
 733                 &ret_field_type, 0) < 0,
 734                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 735         ok(bt_ctf_event_class_get_field(event_class, NULL,
 736                 &ret_field_type, 0) < 0,
 737                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 738         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 739                 NULL, 0) < 0,
 740                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 741         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 742                 &ret_field_type, 42) < 0,
 743                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 744         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 745                 &ret_field_type, 0) == 0,
 746                 "bt_ctf_event_class_get_field returns a field");
 747         ok(ret_field_type == uint_35_type,
 748                 "bt_ctf_event_class_get_field returns a correct field type");
 749         bt_ctf_field_type_put(ret_field_type);
 750         ok(!strcmp(ret_string, "uint_35"),
 751                 "bt_ctf_event_class_get_field returns a correct field name");
 752         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 753                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 754         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 755                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 756         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 757                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 758         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 759                 "complex_structure");
 760         ok(ret_field_type == complex_structure_type,
 761                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 762         bt_ctf_field_type_put(ret_field_type);
 763
 764         event = bt_ctf_event_create(event_class);
 765         ok(event, "Instanciate a complex event");
 766
 767         ok(bt_ctf_event_get_class(NULL) == NULL,
 768                 "bt_ctf_event_get_class handles NULL correctly");
 769         ret_event_class = bt_ctf_event_get_class(event);
 770         ok(ret_event_class == event_class,
 771                 "bt_ctf_event_get_class returns the correct event class");
 772         bt_ctf_event_class_put(ret_event_class);
 773
 774         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 775         if (!uint_35_field) {
 776                 printf("uint_35_field is NULL\n");
 777         }
 778
 779         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 780         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 781         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) == -1,
 782                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 783         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) == -1,
 784                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 785         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 786                 &ret_unsigned_int) == 0,
 787                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 788         ok(ret_unsigned_int == 0x0DDF00D,
 789                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 790         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 791                 &ret_signed_int) == -1,
 792                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 793         bt_ctf_field_put(uint_35_field);
 794
 795         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 796         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 797         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) == -1,
 798                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 799         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) == -1,
 800                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 801         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 802                 &ret_signed_int) == 0,
 803                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 804         ok(ret_signed_int == -12345,
 805                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 806         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 807                 &ret_unsigned_int) == -1,
 808                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 809         bt_ctf_field_put(int_16_field);
 810
 811         complex_structure_field = bt_ctf_event_get_payload(event,
 812                 "complex_structure");
 813
 814         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 815                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 816         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 817                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 818         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 819                 complex_structure_field, 3);
 820         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 821         bt_ctf_field_put(inner_structure_field);
 822         ok(ret_field_type == inner_structure_type,
 823                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 824         bt_ctf_field_type_put(ret_field_type);
 825
 826         inner_structure_field = bt_ctf_field_structure_get_field(
 827                 complex_structure_field, "inner_structure");
 828         a_string_field = bt_ctf_field_structure_get_field(
 829                 complex_structure_field, "a_string");
 830         enum_variant_field = bt_ctf_field_structure_get_field(
 831                 complex_structure_field, "variant_selector");
 832         variant_field = bt_ctf_field_structure_get_field(
 833                 complex_structure_field, "variant_value");
 834         uint_35_field = bt_ctf_field_structure_get_field(
 835                 inner_structure_field, "seq_len");
 836         a_sequence_field = bt_ctf_field_structure_get_field(
 837                 inner_structure_field, "a_sequence");
 838         an_array_field = bt_ctf_field_structure_get_field(
 839                 inner_structure_field, "an_array");
 840
 841         enum_container_field = bt_ctf_field_enumeration_get_container(
 842                 enum_variant_field);
 843         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 844         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 845                 enum_variant_field);
 846         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 847         bt_ctf_field_put(int_16_field);
 848         ok(!bt_ctf_field_string_get_value(a_string_field),
 849                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 850         bt_ctf_field_string_set_value(a_string_field,
 851                 test_string);
 852         ok(!bt_ctf_field_string_get_value(NULL),
 853                 "bt_ctf_field_string_get_value correctly handles NULL");
 854         ret_string = bt_ctf_field_string_get_value(a_string_field);
 855         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
 856         ok(!strcmp(ret_string, test_string),
 857                 "bt_ctf_field_string_get_value returns a correct value");
 858         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
 859                 SEQUENCE_TEST_LENGTH);
 860
 861         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
 862                 enum_container_field) == NULL,
 863                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
 864         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
 865                 NULL) == NULL,
 866                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
 867         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
 868                 variant_type, enum_variant_field);
 869         ok(ret_field_type == int_16_type,
 870                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
 871
 872         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
 873                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
 874         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
 875                 uint_35_field) == 0, "Set a sequence field's length");
 876         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
 877         ok(ret_field == uint_35_field,
 878                 "bt_ctf_field_sequence_get_length returns the correct length field");
 879         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
 880                 "bt_ctf_field_sequence_get_length properly handles NULL");
 881
 882         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
 883                 int_16_field = bt_ctf_field_sequence_get_field(
 884                         a_sequence_field, i);
 885                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
 886                 bt_ctf_field_put(int_16_field);
 887         }
 888
 889         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
 890                 int_16_field = bt_ctf_field_array_get_field(
 891                         an_array_field, i);
 892                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
 893                 bt_ctf_field_put(int_16_field);
 894         }
 895
 896         bt_ctf_clock_set_time(clock, ++current_time);
 897         ok(bt_ctf_stream_append_event(stream, event) == 0,
 898                 "Append a complex event to a stream");
 899         ok(bt_ctf_stream_flush(stream) == 0,
 900                 "Flush a stream containing a complex event");
 901
 902         bt_ctf_field_put(uint_35_field);
 903         bt_ctf_field_put(a_string_field);
 904         bt_ctf_field_put(inner_structure_field);
 905         bt_ctf_field_put(complex_structure_field);
 906         bt_ctf_field_put(a_sequence_field);
 907         bt_ctf_field_put(an_array_field);
 908         bt_ctf_field_put(enum_variant_field);
 909         bt_ctf_field_put(enum_container_field);
 910         bt_ctf_field_put(variant_field);
 911         bt_ctf_field_put(ret_field);
 912         bt_ctf_field_type_put(uint_35_type);
 913         bt_ctf_field_type_put(int_16_type);
 914         bt_ctf_field_type_put(string_type);
 915         bt_ctf_field_type_put(sequence_type);
 916         bt_ctf_field_type_put(array_type);
 917         bt_ctf_field_type_put(inner_structure_type);
 918         bt_ctf_field_type_put(complex_structure_type);
 919         bt_ctf_field_type_put(uint_3_type);
 920         bt_ctf_field_type_put(enum_variant_type);
 921         bt_ctf_field_type_put(variant_type);
 922         bt_ctf_field_type_put(ret_field_type);
 923         bt_ctf_event_class_put(event_class);
 924         bt_ctf_event_put(event);
 925 }
 926
 927 void type_field_tests()
 928 {
 929         struct bt_ctf_field *uint_12;
 930         struct bt_ctf_field *int_16;
 931         struct bt_ctf_field *string;
 932         struct bt_ctf_field *enumeration;
 933         struct bt_ctf_field_type *composite_structure_type;
 934         struct bt_ctf_field_type *structure_seq_type;
 935         struct bt_ctf_field_type *string_type;
 936         struct bt_ctf_field_type *sequence_type;
 937         struct bt_ctf_field_type *uint_8_type;
 938         struct bt_ctf_field_type *int_16_type;
 939         struct bt_ctf_field_type *uint_12_type =
 940                 bt_ctf_field_type_integer_create(12);
 941         struct bt_ctf_field_type *enumeration_type;
 942         struct bt_ctf_field_type *enumeration_sequence_type;
 943         struct bt_ctf_field_type *enumeration_array_type;
 944         struct bt_ctf_field_type *returned_type;
 945         const char *ret_string;
 946
 947         returned_type = bt_ctf_field_get_type(NULL);
 948         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
 949
 950         ok(uint_12_type, "Create an unsigned integer type");
 951         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 952                 BT_CTF_INTEGER_BASE_BINARY) == 0,
 953                 "Set integer type's base as binary");
 954         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 955                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
 956                 "Set integer type's base as decimal");
 957         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 958                 BT_CTF_INTEGER_BASE_UNKNOWN),
 959                 "Reject integer type's base set as unknown");
 960         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 961                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
 962                 "Set integer type's base as octal");
 963         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
 964                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
 965                 "Set integer type's base as hexadecimal");
 966         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
 967                 "Reject unknown integer base value");
 968         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
 969                 "Set integer type signedness to signed");
 970         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
 971                 "Set integer type signedness to unsigned");
 972         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
 973                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
 974         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
 975                 "bt_ctf_field_type_integer_get_size returns a correct value");
 976         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
 977                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
 978         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
 979                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
 980
 981         ok(bt_ctf_field_type_set_byte_order(NULL,
 982                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
 983                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
 984         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 985                 (enum bt_ctf_byte_order) 42) < 0,
 986                 "bt_ctf_field_type_set_byte_order rejects invalid values");
 987         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 988                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
 989                 "Set an integer's byte order to little endian");
 990         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
 991                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
 992                 "Set an integer's byte order to big endian");
 993         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
 994                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
 995                 "bt_ctf_field_type_get_byte_order returns a correct value");
 996         ok(bt_ctf_field_type_get_byte_order(NULL) ==
 997                 BT_CTF_BYTE_ORDER_UNKNOWN,
 998                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
 999
1000         ok(bt_ctf_field_type_get_type_id(NULL) ==
1001                 CTF_TYPE_UNKNOWN,
1002                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1003         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1004                 CTF_TYPE_INTEGER,
1005                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1006
1007         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1008                 BT_CTF_INTEGER_BASE_UNKNOWN,
1009                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1010         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1011                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1012                 "bt_ctf_field_type_integer_get_base returns a correct value");
1013
1014         ok(bt_ctf_field_type_integer_set_encoding(NULL, CTF_STRING_ASCII) < 0,
1015                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1016         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1017                 (enum ctf_string_encoding) 123) < 0,
1018                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1019         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1020                 CTF_STRING_UTF8) == 0,
1021                 "Set integer type encoding to UTF8");
1022         ok(bt_ctf_field_type_integer_get_encoding(NULL) == CTF_STRING_UNKNOWN,
1023                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1024         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) == CTF_STRING_UTF8,
1025                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1026
1027         int_16_type = bt_ctf_field_type_integer_create(16);
1028         bt_ctf_field_type_integer_set_signed(int_16_type, 1);
1029         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1030                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1031         uint_8_type = bt_ctf_field_type_integer_create(8);
1032         sequence_type =
1033                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1034         ok(sequence_type, "Create a sequence of int16_t type");
1035         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1036                 CTF_TYPE_SEQUENCE,
1037                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1038
1039         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1040                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1041         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1042                 sequence_type);
1043         ok(!strcmp(ret_string, "seq_len"),
1044                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1045         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1046                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1047         returned_type = bt_ctf_field_type_sequence_get_element_type(
1048                 sequence_type);
1049         ok(returned_type == int_16_type,
1050                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1051         bt_ctf_field_type_put(returned_type);
1052
1053         string_type = bt_ctf_field_type_string_create();
1054         ok(string_type, "Create a string type");
1055         ok(bt_ctf_field_type_string_set_encoding(string_type,
1056                 CTF_STRING_NONE),
1057                 "Reject invalid \"None\" string encoding");
1058         ok(bt_ctf_field_type_string_set_encoding(string_type,
1059                 42),
1060                 "Reject invalid string encoding");
1061         ok(bt_ctf_field_type_string_set_encoding(string_type,
1062                 CTF_STRING_ASCII) == 0,
1063                 "Set string encoding to ASCII");
1064
1065         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1066                 CTF_STRING_UNKNOWN,
1067                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1068         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1069                 CTF_STRING_ASCII,
1070                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1071
1072         structure_seq_type = bt_ctf_field_type_structure_create();
1073         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1074                 CTF_TYPE_STRUCT,
1075                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1076         ok(structure_seq_type, "Create a structure type");
1077         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1078                 uint_8_type, "seq_len") == 0,
1079                 "Add a uint8_t type to a structure");
1080         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1081                 sequence_type, "a_sequence") == 0,
1082                 "Add a sequence type to a structure");
1083
1084         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1085                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1086         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1087                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1088
1089         ok(bt_ctf_field_type_structure_get_field(NULL,
1090                 &ret_string, &returned_type, 1) < 0,
1091                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1092         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1093                 NULL, &returned_type, 1) < 0,
1094                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1095         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1096                 &ret_string, NULL, 1) < 0,
1097                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1098         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1099                 &ret_string, &returned_type, 10) < 0,
1100                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1101         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1102                 &ret_string, &returned_type, 1) == 0,
1103                 "bt_ctf_field_type_structure_get_field returns a field");
1104         ok(!strcmp(ret_string, "a_sequence"),
1105                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1106         ok(returned_type == sequence_type,
1107                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1108         bt_ctf_field_type_put(returned_type);
1109
1110         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1111                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1112         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1113                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1114         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1115                 structure_seq_type, "a_sequence");
1116         ok(returned_type == sequence_type,
1117                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1118         bt_ctf_field_type_put(returned_type);
1119
1120         composite_structure_type = bt_ctf_field_type_structure_create();
1121         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1122                 string_type, "a_string") == 0,
1123                 "Add a string type to a structure");
1124         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1125                 structure_seq_type, "inner_structure") == 0,
1126                 "Add a structure type to a structure");
1127
1128         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1129                 NULL, "a_sequence") == NULL,
1130                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1131         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1132                 structure_seq_type, NULL) == NULL,
1133                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1134         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1135                 structure_seq_type, "a_sequence");
1136         ok(returned_type == sequence_type,
1137                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1138         bt_ctf_field_type_put(returned_type);
1139
1140         int_16 = bt_ctf_field_create(int_16_type);
1141         ok(int_16, "Instanciate a signed 16-bit integer");
1142         uint_12 = bt_ctf_field_create(uint_12_type);
1143         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1144         returned_type = bt_ctf_field_get_type(int_16);
1145         ok(returned_type == int_16_type,
1146                 "bt_ctf_field_get_type returns the correct type");
1147
1148         /* Can't modify types after instanciating them */
1149         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1150                 BT_CTF_INTEGER_BASE_DECIMAL),
1151                 "Check an integer type' base can't be modified after instanciation");
1152         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1153                 "Check an integer type's signedness can't be modified after instanciation");
1154
1155         /* Check signed property is checked */
1156         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1157                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1158         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1159                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1160
1161         /* Check overflows are properly tested for */
1162         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1163                 "Check -32768 is allowed for a signed 16-bit integer");
1164         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1165                 "Check 32767 is allowed for a signed 16-bit integer");
1166         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1167                 "Check 32768 is not allowed for a signed 16-bit integer");
1168         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1169                 "Check -32769 is not allowed for a signed 16-bit integer");
1170         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1171                 "Check -42 is allowed for a signed 16-bit integer");
1172
1173         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1174                 "Check 4095 is allowed for an unsigned 12-bit integer");
1175         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1176                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1177         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1178                 "Check 0 is allowed for an unsigned 12-bit integer");
1179
1180         string = bt_ctf_field_create(string_type);
1181         ok(string, "Instanciate a string field");
1182         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1183                 "Set a string's value");
1184
1185         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1186         ok(enumeration_type,
1187                 "Create an enumeration type with an unsigned 12-bit integer as container");
1188         enumeration_sequence_type = bt_ctf_field_type_sequence_create(
1189                 enumeration_type, "count");
1190         ok(!enumeration_sequence_type,
1191                 "Check enumeration types are validated when creating a sequence");
1192         enumeration_array_type = bt_ctf_field_type_array_create(
1193                 enumeration_type, 10);
1194         ok(!enumeration_array_type,
1195                 "Check enumeration types are validated when creating an array");
1196         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1197                 enumeration_type, "enumeration") == 0,
1198                 "Check enumeration types are validated when adding them as structure members");
1199         enumeration = bt_ctf_field_create(enumeration_type);
1200         ok(!enumeration,
1201                 "Check enumeration types are validated before instantiation");
1202
1203         bt_ctf_field_put(string);
1204         bt_ctf_field_put(uint_12);
1205         bt_ctf_field_put(int_16);
1206         bt_ctf_field_put(enumeration);
1207         bt_ctf_field_type_put(composite_structure_type);
1208         bt_ctf_field_type_put(structure_seq_type);
1209         bt_ctf_field_type_put(string_type);
1210         bt_ctf_field_type_put(sequence_type);
1211         bt_ctf_field_type_put(uint_8_type);
1212         bt_ctf_field_type_put(int_16_type);
1213         bt_ctf_field_type_put(uint_12_type);
1214         bt_ctf_field_type_put(enumeration_type);
1215         bt_ctf_field_type_put(enumeration_sequence_type);
1216         bt_ctf_field_type_put(enumeration_array_type);
1217         bt_ctf_field_type_put(returned_type);
1218 }
1219
1220 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1221                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1222 {
1223         /*
1224          * Append enough events to force the underlying packet to be resized.
1225          * Also tests that a new event can be declared after a stream has been
1226          * instantiated and used/flushed.
1227          */
1228         int ret = 0;
1229         int i;
1230         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1231                 "Spammy_Event");
1232         struct bt_ctf_field_type *integer_type =
1233                 bt_ctf_field_type_integer_create(17);
1234         struct bt_ctf_field_type *string_type =
1235                 bt_ctf_field_type_string_create();
1236         struct bt_ctf_event *event;
1237         struct bt_ctf_field *ret_field;
1238         struct bt_ctf_field_type *ret_field_type;
1239
1240         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1241                 "field_1");
1242         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1243                 "a_string");
1244         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1245         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1246         if (ret) {
1247                 goto end;
1248         }
1249
1250         event = bt_ctf_event_create(event_class);
1251         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1252         ret_field_type = bt_ctf_field_get_type(ret_field);
1253         ok(ret_field_type == integer_type,
1254                 "bt_ctf_event_get_payload_by_index returns a correct field");
1255         bt_ctf_field_type_put(ret_field_type);
1256         bt_ctf_field_put(ret_field);
1257
1258         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1259                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1260         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1261                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1262         bt_ctf_event_put(event);
1263
1264         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
1265                 event = bt_ctf_event_create(event_class);
1266                 struct bt_ctf_field *integer =
1267                         bt_ctf_field_create(integer_type);
1268                 struct bt_ctf_field *string =
1269                         bt_ctf_field_create(string_type);
1270
1271                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1272                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1273                 ret |= bt_ctf_event_set_payload(event, "field_1",
1274                         integer);
1275                 bt_ctf_field_put(integer);
1276                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1277                 ret |= bt_ctf_event_set_payload(event, "a_string",
1278                         string);
1279                 bt_ctf_field_put(string);
1280                 ret |= bt_ctf_stream_append_event(stream, event);
1281                 bt_ctf_event_put(event);
1282
1283                 if (ret) {
1284                         break;
1285                 }
1286         }
1287 end:
1288         ok(ret == 0, "Append 100 000 events to a stream");
1289         ok(bt_ctf_stream_flush(stream) == 0,
1290                 "Flush a stream that forces a packet resize");
1291         bt_ctf_field_type_put(integer_type);
1292         bt_ctf_field_type_put(string_type);
1293         bt_ctf_event_class_put(event_class);
1294 }
1295
1296 int main(int argc, char **argv)
1297 {
1298         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
1299         char metadata_path[sizeof(trace_path) + 9];
1300         const char *clock_name = "test_clock";
1301         const char *clock_description = "This is a test clock";
1302         const char *returned_clock_name;
1303         const char *returned_clock_description;
1304         const uint64_t frequency = 1123456789;
1305         const uint64_t offset_s = 1351530929945824323;
1306         const uint64_t offset = 1234567;
1307         const uint64_t precision = 10;
1308         const int is_absolute = 0xFF;
1309         char *metadata_string;
1310         struct bt_ctf_writer *writer;
1311         struct utsname name;
1312         char hostname[HOST_NAME_MAX];
1313         struct bt_ctf_clock *clock, *ret_clock;
1314         struct bt_ctf_stream_class *stream_class;
1315         struct bt_ctf_stream *stream1;
1316
1317         if (argc < 3) {
1318                 printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
1319                 exit(-1);
1320         }
1321
1322         plan_no_plan();
1323
1324         if (!mkdtemp(trace_path)) {
1325                 perror("# perror");
1326         }
1327
1328         strcpy(metadata_path, trace_path);
1329         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
1330
1331         writer = bt_ctf_writer_create(trace_path);
1332         ok(writer, "bt_ctf_create succeeds in creating trace with path");
1333
1334         /* Add environment context to the trace */
1335         gethostname(hostname, HOST_NAME_MAX);
1336         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
1337                 "Add host (%s) environment field to writer instance",
1338                 hostname);
1339         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
1340                 "test_value"),
1341                 "bt_ctf_writer_add_environment_field error with NULL writer");
1342         ok(bt_ctf_writer_add_environment_field(writer, NULL,
1343                 "test_value"),
1344                 "bt_ctf_writer_add_environment_field error with NULL field name");
1345         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
1346                 NULL),
1347                 "bt_ctf_writer_add_environment_field error with NULL field value");
1348
1349         if (uname(&name)) {
1350                 perror("uname");
1351                 return -1;
1352         }
1353
1354         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
1355                 == 0, "Add sysname (%s) environment field to writer instance",
1356                 name.sysname);
1357         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
1358                 name.nodename) == 0,
1359                 "Add nodename (%s) environment field to writer instance",
1360                 name.nodename);
1361         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
1362                 == 0, "Add release (%s) environment field to writer instance",
1363                 name.release);
1364         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
1365                 == 0, "Add version (%s) environment field to writer instance",
1366                 name.version);
1367         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
1368                 == 0, "Add machine (%s) environment field to writer istance",
1369                 name.machine);
1370
1371         /* Define a clock and add it to the trace */
1372         ok(bt_ctf_clock_create("signed") == NULL,
1373                 "Illegal clock name rejected");
1374         ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
1375         clock = bt_ctf_clock_create(clock_name);
1376         ok(clock, "Clock created sucessfully");
1377         returned_clock_name = bt_ctf_clock_get_name(clock);
1378         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
1379         ok(strcmp(returned_clock_name, clock_name) == 0,
1380                 "Returned clock name is valid");
1381
1382         returned_clock_description = bt_ctf_clock_get_description(clock);
1383         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
1384         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
1385                 "Clock description set successfully");
1386
1387         returned_clock_description = bt_ctf_clock_get_description(clock);
1388         ok(returned_clock_description,
1389                 "bt_ctf_clock_get_description returns a description.");
1390         ok(strcmp(returned_clock_description, clock_description) == 0,
1391                 "Returned clock description is valid");
1392
1393         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
1394                 "bt_ctf_clock_get_frequency returns the correct default frequency");
1395         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
1396                 "Set clock frequency");
1397         ok(bt_ctf_clock_get_frequency(clock) == frequency,
1398                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
1399
1400         ok(bt_ctf_clock_get_offset_s(clock) == DEFAULT_CLOCK_OFFSET_S,
1401                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
1402         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
1403                 "Set clock offset (seconds)");
1404         ok(bt_ctf_clock_get_offset_s(clock) == offset_s,
1405                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
1406
1407         ok(bt_ctf_clock_get_offset(clock) == DEFAULT_CLOCK_OFFSET,
1408                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks)");
1409         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
1410         ok(bt_ctf_clock_get_offset(clock) == offset,
1411                 "bt_ctf_clock_get_frequency returns the correct default offset (in ticks) once it is set");
1412
1413         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
1414                 "bt_ctf_clock_get_precision returns the correct default precision");
1415         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
1416                 "Set clock precision");
1417         ok(bt_ctf_clock_get_precision(clock) == precision,
1418                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
1419
1420         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
1421                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
1422         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
1423                 "Set clock absolute property");
1424         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
1425                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
1426
1427         ok(bt_ctf_clock_get_time(clock) == DEFAULT_CLOCK_TIME,
1428                 "bt_ctf_clock_get_time returns the correct default time");
1429         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
1430                 "Set clock time");
1431         ok(bt_ctf_clock_get_time(clock) == current_time,
1432                 "bt_ctf_clock_get_time returns the correct time once it is set");
1433
1434         ok(bt_ctf_writer_add_clock(writer, clock) == 0,
1435                 "Add clock to writer instance");
1436         ok(bt_ctf_writer_add_clock(writer, clock),
1437                 "Verify a clock can't be added twice to a writer instance");
1438
1439         ok(!bt_ctf_clock_get_name(NULL),
1440                 "bt_ctf_clock_get_name correctly handles NULL");
1441         ok(!bt_ctf_clock_get_description(NULL),
1442                 "bt_ctf_clock_get_description correctly handles NULL");
1443         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
1444                 "bt_ctf_clock_get_frequency correctly handles NULL");
1445         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
1446                 "bt_ctf_clock_get_precision correctly handles NULL");
1447         ok(bt_ctf_clock_get_offset_s(NULL) == -1ULL,
1448                 "bt_ctf_clock_get_offset_s correctly handles NULL");
1449         ok(bt_ctf_clock_get_offset(NULL) == -1ULL,
1450                 "bt_ctf_clock_get_offset correctly handles NULL");
1451         ok(bt_ctf_clock_get_is_absolute(NULL) == -1,
1452                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
1453         ok(bt_ctf_clock_get_time(NULL) == -1ULL,
1454                 "bt_ctf_clock_get_time correctly handles NULL");
1455
1456         ok(bt_ctf_clock_set_description(NULL, NULL) == -1,
1457                 "bt_ctf_clock_set_description correctly handles NULL clock");
1458         ok(bt_ctf_clock_set_frequency(NULL, frequency) == -1,
1459                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
1460         ok(bt_ctf_clock_set_precision(NULL, precision) == -1,
1461                 "bt_ctf_clock_get_precision correctly handles NULL clock");
1462         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) == -1,
1463                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
1464         ok(bt_ctf_clock_set_offset(NULL, offset) == -1,
1465                 "bt_ctf_clock_set_offset correctly handles NULL clock");
1466         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) == -1,
1467                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
1468         ok(bt_ctf_clock_set_time(NULL, current_time) == -1,
1469                 "bt_ctf_clock_set_time correctly handles NULL clock");
1470
1471         /* Define a stream class */
1472         stream_class = bt_ctf_stream_class_create("test_stream");
1473         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
1474                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
1475         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
1476                 "bt_ctf_stream_class_get_clock handles NULL correctly");
1477
1478         ok(stream_class, "Create stream class");
1479         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
1480                 "Set a stream class' clock");
1481         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
1482         ok(ret_clock == clock,
1483                 "bt_ctf_stream_class_get_clock returns a correct clock");
1484         bt_ctf_clock_put(ret_clock);
1485
1486         /* Test the event fields and event types APIs */
1487         type_field_tests();
1488
1489         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
1490                 "bt_ctf_stream_class_get_id returns an error when no id is set");
1491         ok(bt_ctf_stream_class_get_id(NULL) < 0,
1492                 "bt_ctf_stream_class_get_id handles NULL correctly");
1493         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
1494                 "bt_ctf_stream_class_set_id handles NULL correctly");
1495         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
1496                 "Set an stream class' id");
1497         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
1498                 "bt_ctf_stream_class_get_id returns the correct value");
1499
1500         /* Instantiate a stream and append events */
1501         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
1502         ok(stream1, "Instanciate a stream class from writer");
1503
1504         /* Should fail after instanciating a stream (locked)*/
1505         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
1506                 "Changes to a stream class that was already instantiated fail");
1507
1508         append_simple_event(stream_class, stream1, clock);
1509
1510         packet_resize_test(stream_class, stream1, clock);
1511
1512         append_complex_event(stream_class, stream1, clock);
1513
1514         metadata_string = bt_ctf_writer_get_metadata_string(writer);
1515         ok(metadata_string, "Get metadata string");
1516
1517         bt_ctf_writer_flush_metadata(writer);
1518         validate_metadata(argv[1], metadata_path);
1519         validate_trace(argv[2], trace_path);
1520
1521         bt_ctf_clock_put(clock);
1522         bt_ctf_stream_class_put(stream_class);
1523         bt_ctf_writer_put(writer);
1524         bt_ctf_stream_put(stream1);
1525         free(metadata_string);
1526
1527         /* Remove all trace files and delete temporary trace directory */
1528         DIR *trace_dir = opendir(trace_path);
1529         if (!trace_dir) {
1530                 perror("# opendir");
1531                 return -1;
1532         }
1533
1534         struct dirent *entry;
1535         while ((entry = readdir(trace_dir))) {
1536                 if (entry->d_type == DT_REG) {
1537                         unlinkat(dirfd(trace_dir), entry->d_name, 0);
1538                 }
1539         }
1540
1541         rmdir(trace_path);
1542         closedir(trace_dir);
1543
1544         return 0;
1545 }