tests/lib/test_ctf_writer.c

   1 /*
   2  * test_ctf_writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ctf-ir/packet.h>
  30 #include <babeltrace/ctf-ir/clock-class.h>
  31 #include <babeltrace/ctf-ir/trace.h>
  32 #include <babeltrace/ref.h>
  33 #include <babeltrace/ctf/events.h>
  34 #include <babeltrace/values.h>
  35 #include <unistd.h>
  36 #include <babeltrace/compat/stdlib-internal.h>
  37 #include <stdio.h>
  38 #include <babeltrace/compat/utsname-internal.h>
  39 #include <babeltrace/compat/limits-internal.h>
  40 #include <babeltrace/compat/stdio-internal.h>
  41 #include <string.h>
  42 #include <assert.h>
  43 #include <sys/wait.h>
  44 #include <fcntl.h>
  45 #include "tap/tap.h"
  46 #include <math.h>
  47 #include <float.h>
  48 #include "common.h"
  49
  50 #define METADATA_LINE_SIZE 512
  51 #define SEQUENCE_TEST_LENGTH 10
  52 #define ARRAY_TEST_LENGTH 5
  53 #define PACKET_RESIZE_TEST_LENGTH 5
  54
  55 #define DEFAULT_CLOCK_FREQ 1000000000
  56 #define DEFAULT_CLOCK_PRECISION 1
  57 #define DEFAULT_CLOCK_OFFSET 0
  58 #define DEFAULT_CLOCK_OFFSET_S 0
  59 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  60 #define DEFAULT_CLOCK_TIME 0
  61 #define DEFAULT_CLOCK_VALUE 0
  62
  63 #define NR_TESTS 621
  64
  65 static int64_t current_time = 42;
  66
  67 /* Return 1 if uuids match, zero if different. */
  68 static
  69 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  70 {
  71         int ret = 0;
  72         int i;
  73
  74         if (!uuid_a || !uuid_b) {
  75                 goto end;
  76         }
  77
  78         for (i = 0; i < 16; i++) {
  79                 if (uuid_a[i] != uuid_b[i]) {
  80                         goto end;
  81                 }
  82         }
  83
  84         ret = 1;
  85 end:
  86         return ret;
  87 }
  88
  89 static
  90 void validate_trace(char *parser_path, char *trace_path)
  91 {
  92         int ret = 0;
  93         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
  94         int babeltrace_output_fd = -1;
  95
  96         if (!trace_path) {
  97                 ret = -1;
  98                 goto result;
  99         }
 100
 101         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 102         unlink(babeltrace_output_path);
 103
 104         if (babeltrace_output_fd == -1) {
 105                 diag("Failed to create a temporary file for trace parsing.");
 106                 ret = -1;
 107                 goto result;
 108         }
 109
 110         pid_t pid = fork();
 111         if (pid) {
 112                 int status = 0;
 113                 waitpid(pid, &status, 0);
 114                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 115         } else {
 116                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 117                 if (ret < 0) {
 118                         perror("# dup2 babeltrace_output_fd to STDOUT");
 119                         goto result;
 120                 }
 121
 122                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 123                 if (ret < 0) {
 124                         perror("# dup2 babeltrace_output_fd to STDERR");
 125                         goto result;
 126                 }
 127
 128                 execl(parser_path, parser_path, trace_path, NULL);
 129                 perror("# Could not launch the babeltrace process");
 130                 exit(-1);
 131         }
 132 result:
 133         ok(ret == 0, "Babeltrace could read the resulting trace");
 134
 135         if (ret && babeltrace_output_fd >= 0) {
 136                 char *line;
 137                 size_t len = METADATA_LINE_SIZE;
 138                 FILE *babeltrace_output_fp = NULL;
 139
 140                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 141                 if (!babeltrace_output_fp) {
 142                         perror("fdopen on babeltrace_output_fd");
 143                         goto close_fp;
 144                 }
 145                 babeltrace_output_fd = -1;
 146
 147                 line = malloc(len);
 148                 if (!line) {
 149                         diag("malloc error");
 150                 }
 151                 rewind(babeltrace_output_fp);
 152                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 153                         diag("%s", line);
 154                 }
 155
 156                 free(line);
 157 close_fp:
 158                 if (babeltrace_output_fp) {
 159                         if (fclose(babeltrace_output_fp)) {
 160                                 diag("fclose error");
 161                         }
 162                 }
 163         }
 164
 165         if (babeltrace_output_fd >= 0) {
 166                 if (close(babeltrace_output_fd)) {
 167                         diag("close error");
 168                 }
 169         }
 170 }
 171
 172 static
 173 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 174                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 175 {
 176         /* Create and add a simple event class */
 177         struct bt_ctf_event_class *simple_event_class =
 178                 bt_ctf_event_class_create("Simple Event");
 179         struct bt_ctf_field_type *uint_12_type =
 180                 bt_ctf_field_type_integer_create(12);
 181         struct bt_ctf_field_type *int_64_type =
 182                 bt_ctf_field_type_integer_create(64);
 183         struct bt_ctf_field_type *float_type =
 184                 bt_ctf_field_type_floating_point_create();
 185         struct bt_ctf_field_type *enum_type;
 186         struct bt_ctf_field_type *enum_type_unsigned =
 187                 bt_ctf_field_type_enumeration_create(uint_12_type);
 188         struct bt_ctf_field_type *event_context_type =
 189                 bt_ctf_field_type_structure_create();
 190         struct bt_ctf_field_type *event_payload_type = NULL;
 191         struct bt_ctf_field_type *returned_type;
 192         struct bt_ctf_event *simple_event;
 193         struct bt_ctf_field *integer_field;
 194         struct bt_ctf_field *float_field;
 195         struct bt_ctf_field *enum_field;
 196         struct bt_ctf_field *enum_field_unsigned;
 197         struct bt_ctf_field *enum_container_field;
 198         const char *mapping_name_test = "truie";
 199         const double double_test_value = 3.1415;
 200         struct bt_ctf_field *enum_container_field_unsigned;
 201         const char *mapping_name_negative_test = "negative_value";
 202         const char *ret_char;
 203         double ret_double;
 204         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 205         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 206         struct bt_ctf_event_class *ret_event_class;
 207         struct bt_ctf_field *packet_context;
 208         struct bt_ctf_field *packet_context_field;
 209         struct bt_ctf_field *stream_event_context;
 210         struct bt_ctf_field *stream_event_context_field;
 211         struct bt_ctf_field *event_context;
 212         struct bt_ctf_field *event_context_field;
 213         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 214         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 215         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 216         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 217         int ret;
 218
 219         ok(uint_12_type, "Create an unsigned integer type");
 220
 221         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 222                 "Set signed 64 bit integer signedness to true");
 223         ok(int_64_type, "Create a signed integer type");
 224         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 225
 226         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 227         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 228         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 229         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 230                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 231         bt_put(returned_type);
 232
 233         bt_ctf_field_type_set_alignment(float_type, 32);
 234         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 235                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 236         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 237                 "bt_ctf_field_type_get_alignment returns a correct value");
 238
 239         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 240                 "Set a floating point type's exponent digit count");
 241         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 242                 "Set a floating point type's mantissa digit count");
 243
 244         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 245                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 246         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 247                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 248         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 249                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 250         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 251                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 252
 253         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 254                 mapping_name_negative_test, -12345, 0) == 0,
 255                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 256         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 257                 "escaping; \"test\"", 1, 1) == 0,
 258                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 259         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 260                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 261                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 262         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 263                 "event clock int float", 5, 22) == 0,
 264                 "Accept enumeration mapping strings containing reserved keywords");
 265         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 266                 42, 42);
 267         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 268                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 269         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 270                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 271         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 272                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 273         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 274
 275         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 276         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 277
 278         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 279         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 280
 281         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 282         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 283         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 284                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 285         BT_PUT(iter);
 286
 287         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 288                 "enum_field") == 0, "Add signed enumeration field to event");
 289
 290         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 291                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 292                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 293         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 294                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 295                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 296         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 297                 NULL, &ret_range_end_int64_t) == 0,
 298                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 299         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 300                 &ret_range_start_int64_t, NULL) == 0,
 301                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 302         /* Assumes entries are sorted by range_start values. */
 303         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 304                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 305                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 306         ok(!strcmp(ret_char, mapping_name_test),
 307                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 308         ok(ret_range_start_int64_t == 42,
 309                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 310         ok(ret_range_end_int64_t == 42,
 311                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 312
 313         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 314                 "escaping; \"test\"", 0, 0) == 0,
 315                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 316         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 317                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 318                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 319         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 320                 "event clock int float", 5, 22) == 0,
 321                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 322         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 323                 42, 42);
 324         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 325                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 326         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 327                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 328         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 329                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 330         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 331                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 332
 333         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 334                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 335         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 336                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 337
 338         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 339                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 340                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 341         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 342                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 343                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 344         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 345                 NULL, &ret_range_end_uint64_t) == 0,
 346                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 347         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 348                 &ret_range_start_uint64_t, NULL) == 0,
 349                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 350         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 351                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 352                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 353         ok(!strcmp(ret_char, mapping_name_test),
 354                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 355         ok(ret_range_start_uint64_t == 42,
 356                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 357         ok(ret_range_end_uint64_t == 42,
 358                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 359
 360         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 361                 "integer_field");
 362         bt_ctf_event_class_add_field(simple_event_class, float_type,
 363                 "float_field");
 364
 365         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 366
 367         /* Set an event context type which will contain a single integer. */
 368         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 369                 "event_specific_context"),
 370                 "Add event specific context field");
 371         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 372                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 373
 374         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 375                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 376         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 377                 "Set an event class' context type successfully");
 378         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 379         ok(returned_type == event_context_type,
 380                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 381         bt_put(returned_type);
 382
 383         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 384                 "Adding simple event class to stream class");
 385
 386         /*
 387          * bt_ctf_stream_class_add_event_class() copies the field types
 388          * of simple_event_class, so we retrieve the new ones to create
 389          * the appropriate fields.
 390          */
 391         BT_PUT(event_context_type);
 392         BT_PUT(event_payload_type);
 393         event_payload_type = bt_ctf_event_class_get_payload_type(
 394                 simple_event_class);
 395         assert(event_payload_type);
 396         event_context_type = bt_ctf_event_class_get_context_type(
 397                 simple_event_class);
 398         assert(event_context_type);
 399         ep_integer_field_type =
 400                 bt_ctf_field_type_structure_get_field_type_by_name(
 401                         event_payload_type, "integer_field");
 402         assert(ep_integer_field_type);
 403         ep_enum_field_type =
 404                 bt_ctf_field_type_structure_get_field_type_by_name(
 405                         event_payload_type, "enum_field");
 406         assert(ep_enum_field_type);
 407         ep_enum_field_unsigned_type =
 408                 bt_ctf_field_type_structure_get_field_type_by_name(
 409                         event_payload_type, "enum_field_unsigned");
 410         assert(ep_enum_field_unsigned_type);
 411
 412         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 413                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 414         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 415                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 416         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 417                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 418         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 419                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 420         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 421         ok(ret_event_class == simple_event_class,
 422                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 423         bt_put(ret_event_class);
 424         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 425                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 426         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 427                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 428         ret_event_class =
 429                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 430         ok(ret_event_class == simple_event_class,
 431                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 432         bt_put(ret_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         integer_field = bt_ctf_field_create(ep_integer_field_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(ep_enum_field_type);
 457         assert(enum_field);
 458
 459         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 460         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 461         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 462         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 463         enum_container_field = bt_ctf_field_enumeration_get_container(
 464                 enum_field);
 465         ok(bt_ctf_field_signed_integer_set_value(
 466                 enum_container_field, -42) == 0,
 467                 "Set signed enumeration container value");
 468         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 469         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 470         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 471         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 472         assert(ret_char);
 473         ok(!strcmp(ret_char, mapping_name_negative_test),
 474                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 475         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 476         assert(!ret);
 477         BT_PUT(iter);
 478
 479         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 480         assert(enum_field_unsigned);
 481         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 482                 enum_field_unsigned);
 483         ok(bt_ctf_field_unsigned_integer_set_value(
 484                 enum_container_field_unsigned, 42) == 0,
 485                 "Set unsigned enumeration container value");
 486         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 487                 enum_field_unsigned);
 488         assert(!ret);
 489         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 490         assert(iter);
 491         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 492         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 493                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 494
 495         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 496
 497         /* Populate stream event context */
 498         stream_event_context =
 499                 bt_ctf_event_get_stream_event_context(simple_event);
 500         assert(stream_event_context);
 501         stream_event_context_field = bt_ctf_field_structure_get_field(
 502                 stream_event_context, "common_event_context");
 503         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 504
 505         /* Populate the event's context */
 506         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 507                 "bt_ctf_event_get_event_context handles NULL correctly");
 508         event_context = bt_ctf_event_get_event_context(simple_event);
 509         ok(event_context,
 510                 "bt_ctf_event_get_event_context returns a field");
 511         returned_type = bt_ctf_field_get_type(event_context);
 512         ok(returned_type == event_context_type,
 513                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 514         event_context_field = bt_ctf_field_structure_get_field(event_context,
 515                 "event_specific_context");
 516         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 517                 "Successfully set an event context's value");
 518         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 519                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 520         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 521                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 522         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 523                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 524         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 525                 "Set an event context successfully");
 526
 527         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 528                 "Append simple event to trace stream");
 529
 530         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 531                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 532         packet_context = bt_ctf_stream_get_packet_context(stream);
 533         ok(packet_context,
 534                 "bt_ctf_stream_get_packet_context returns a packet context");
 535
 536         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 537                 "packet_size");
 538         ok(packet_context_field,
 539                 "Packet context contains the default packet_size field.");
 540         bt_put(packet_context_field);
 541         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 542                 "custom_packet_context_field");
 543         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 544                 "Custom packet context field value successfully set.");
 545
 546         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 547                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 548         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 549                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 550         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 551                 "Successfully set a stream's packet context");
 552
 553         ok(bt_ctf_stream_flush(stream) == 0,
 554                 "Flush trace stream with one event");
 555
 556         bt_put(simple_event_class);
 557         bt_put(simple_event);
 558         bt_put(uint_12_type);
 559         bt_put(int_64_type);
 560         bt_put(float_type);
 561         bt_put(enum_type);
 562         bt_put(enum_type_unsigned);
 563         bt_put(returned_type);
 564         bt_put(event_context_type);
 565         bt_put(integer_field);
 566         bt_put(float_field);
 567         bt_put(enum_field);
 568         bt_put(enum_field_unsigned);
 569         bt_put(enum_container_field);
 570         bt_put(enum_container_field_unsigned);
 571         bt_put(packet_context);
 572         bt_put(packet_context_field);
 573         bt_put(stream_event_context);
 574         bt_put(stream_event_context_field);
 575         bt_put(event_context);
 576         bt_put(event_context_field);
 577         bt_put(event_payload_type);
 578         bt_put(ep_integer_field_type);
 579         bt_put(ep_enum_field_type);
 580         bt_put(ep_enum_field_unsigned_type);
 581         bt_put(iter);
 582 }
 583
 584 static
 585 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 586                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 587 {
 588         int i;
 589         struct event_class_attrs_counts ;
 590         const char *complex_test_event_string = "Complex Test Event";
 591         const char *test_string_1 = "Test ";
 592         const char *test_string_2 = "string ";
 593         const char *test_string_3 = "abcdefghi";
 594         const char *test_string_4 = "abcd\0efg\0hi";
 595         const char *test_string_cat = "Test string abcdeabcd";
 596         struct bt_ctf_field_type *uint_35_type =
 597                 bt_ctf_field_type_integer_create(35);
 598         struct bt_ctf_field_type *int_16_type =
 599                 bt_ctf_field_type_integer_create(16);
 600         struct bt_ctf_field_type *uint_3_type =
 601                 bt_ctf_field_type_integer_create(3);
 602         struct bt_ctf_field_type *enum_variant_type =
 603                 bt_ctf_field_type_enumeration_create(uint_3_type);
 604         struct bt_ctf_field_type *variant_type =
 605                 bt_ctf_field_type_variant_create(enum_variant_type,
 606                         "variant_selector");
 607         struct bt_ctf_field_type *string_type =
 608                 bt_ctf_field_type_string_create();
 609         struct bt_ctf_field_type *sequence_type;
 610         struct bt_ctf_field_type *array_type;
 611         struct bt_ctf_field_type *inner_structure_type =
 612                 bt_ctf_field_type_structure_create();
 613         struct bt_ctf_field_type *complex_structure_type =
 614                 bt_ctf_field_type_structure_create();
 615         struct bt_ctf_field_type *ret_field_type;
 616         struct bt_ctf_event_class *event_class;
 617         struct bt_ctf_event *event;
 618         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 619                 *inner_structure_field, *complex_structure_field,
 620                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 621                 *variant_field, *an_array_field, *stream_event_ctx_field,
 622                 *stream_event_ctx_int_field, *ret_field;
 623         uint64_t ret_unsigned_int;
 624         int64_t ret_signed_int;
 625         const char *ret_string;
 626         struct bt_ctf_stream_class *ret_stream_class;
 627         struct bt_ctf_event_class *ret_event_class;
 628         struct bt_ctf_field *packet_context, *packet_context_field;
 629         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 630
 631         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 632                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 633         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 634                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 635         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 636                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 637         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 638                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 639         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 640                 "Set alignment of signed 16 bit integer to 32");
 641         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 642                 "Set integer signedness to true");
 643         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 644                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 645                 "Set signed 16 bit integer base to hexadecimal");
 646
 647         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 648         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 649                 "seq_len");
 650
 651         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 652                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 653         ret_field_type = bt_ctf_field_type_array_get_element_type(
 654                 array_type);
 655         ok(ret_field_type == int_16_type,
 656                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 657         bt_put(ret_field_type);
 658
 659         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 660                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 661         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 662                 "bt_ctf_field_type_array_get_length returns the correct length");
 663
 664         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 665                 inner_structure_type, "yes"), "Cannot add self to structure");
 666         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 667                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 668         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 669                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 670         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 671                 array_type, "an_array"), "Add an_array field to inner structure");
 672
 673         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 674                 "UINT3_TYPE", 0, 0);
 675         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 676                 "INT16_TYPE", 1, 1);
 677         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 678                 "UINT35_TYPE", 2, 7);
 679
 680         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 681         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 682
 683         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 684         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 685         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 686                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 687         BT_PUT(iter);
 688
 689         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 690         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 691
 692         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 693         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 694
 695         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 696         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 697         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 698                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 699         BT_PUT(iter);
 700
 701         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 702         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 703         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 704                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 705         BT_PUT(iter);
 706
 707         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 708                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 709         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 710                 "UINT3_TYPE") == 0, "Add a field to a variant");
 711         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 712                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 713         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 714                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 715
 716         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 717                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 718         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 719         ok(ret_field_type == enum_variant_type,
 720                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 721         bt_put(ret_field_type);
 722
 723         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 724                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 725         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 726         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 727                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 728         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 729                 "INT16_TYPE") == NULL,
 730                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 731         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 732                 NULL) == NULL,
 733                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 734         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 735                 variant_type, "INT16_TYPE");
 736         ok(ret_field_type == int_16_type,
 737                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 738         bt_put(ret_field_type);
 739
 740         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 741                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 742         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 743                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 744
 745         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 746                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 747         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 748                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 749         bt_put(ret_field_type);
 750         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 751                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 752         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 753                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 754         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 755                 "bt_ctf_field_type_variant_get_field returns a field");
 756         ok(!strcmp("INT16_TYPE", ret_string),
 757                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 758         ok(ret_field_type == int_16_type,
 759                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 760         bt_put(ret_field_type);
 761
 762         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 763                 enum_variant_type, "variant_selector"),
 764                 "Add variant_selector field to complex structure");
 765         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 766                 string_type, "a_string"), "Add a_string field to complex structure");
 767         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 768                 variant_type, "variant_value"),
 769                 "Add variant_value field to complex structure");
 770         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 771                 inner_structure_type, "inner_structure"),
 772                 "Add inner_structure field to complex structure");
 773
 774         event_class = bt_ctf_event_class_create(complex_test_event_string);
 775         ok(event_class, "Create an event class");
 776         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 777                 "Reject addition of a field with an empty name to an event");
 778         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 779                 "Reject addition of a field with a NULL type to an event");
 780         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 781                 "int"),
 782                 "Reject addition of a type with an illegal name to an event");
 783         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 784                 "uint_35") == 0,
 785                 "Add field of type unsigned integer to an event");
 786         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 787                 "int_16") == 0, "Add field of type signed integer to an event");
 788         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 789                 "complex_structure") == 0,
 790                 "Add composite structure to an event");
 791
 792         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 793                 "bt_ctf_event_class_get_name handles NULL correctly");
 794         ret_string = bt_ctf_event_class_get_name(event_class);
 795         ok(!strcmp(ret_string, complex_test_event_string),
 796                 "bt_ctf_event_class_get_name returns a correct name");
 797         ok(bt_ctf_event_class_get_id(event_class) < 0,
 798                 "bt_ctf_event_class_get_id returns a negative value when not set");
 799         ok(bt_ctf_event_class_get_id(NULL) < 0,
 800                 "bt_ctf_event_class_get_id handles NULL correctly");
 801         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 802                 "bt_ctf_event_class_set_id handles NULL correctly");
 803         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 804                 "Set an event class' id");
 805         ok(bt_ctf_event_class_get_id(event_class) == 42,
 806                 "bt_ctf_event_class_get_id returns the correct value");
 807
 808         /* Test event class attributes */
 809         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED,
 810                 "event class has the expected initial log level");
 811         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 812                 "as expected, event class has no initial EMF URI");
 813         ok(bt_ctf_event_class_set_log_level(NULL, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 814                 "bt_ctf_event_class_set_log_level handles a NULL event class correctly");
 815         ok(bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN),
 816                 "bt_ctf_event_class_set_log_level handles an unknown log level correctly");
 817         ok(!bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 818                 "bt_ctf_event_class_set_log_level succeeds with a valid log level");
 819         ok(bt_ctf_event_class_get_log_level(NULL) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN,
 820                 "bt_ctf_event_class_get_log_level handles a NULL event class correctly");
 821         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO,
 822                 "bt_ctf_event_class_get_log_level returns the expected log level");
 823         ok(bt_ctf_event_class_set_emf_uri(NULL, "http://diamon.org/babeltrace/"),
 824                 "bt_ctf_event_class_set_emf_uri handles a NULL event class correctly");
 825         ok(!bt_ctf_event_class_set_emf_uri(event_class, "http://diamon.org/babeltrace/"),
 826                 "bt_ctf_event_class_set_emf_uri succeeds with a valid EMF URI");
 827         ok(!bt_ctf_event_class_get_emf_uri(NULL),
 828                 "bt_ctf_event_class_get_emf_uri handles a NULL event class correctly");
 829         ok(strcmp(bt_ctf_event_class_get_emf_uri(event_class), "http://diamon.org/babeltrace/") == 0,
 830                 "bt_ctf_event_class_get_emf_uri returns the expected EMF URI");
 831         ok(!bt_ctf_event_class_set_emf_uri(event_class, NULL),
 832                 "bt_ctf_event_class_set_emf_uri succeeds with NULL (to reset)");
 833         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 834                 "as expected, event class has no EMF URI after reset");
 835
 836         /* Add event class to the stream class */
 837         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 838                 "Reject addition of NULL event class to a stream class");
 839         ok(bt_ctf_stream_class_add_event_class(stream_class,
 840                 event_class) == 0, "Add an event class to stream class");
 841
 842         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 843                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 844         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 845         ok(ret_stream_class == stream_class,
 846                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 847         bt_put(ret_stream_class);
 848
 849         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 850                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 851         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 852                 "bt_ctf_event_class_get_field_count returns a correct value");
 853
 854         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 855                 &ret_field_type, 0) < 0,
 856                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 857         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 858                 &ret_field_type, 0) == 0,
 859                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 860         bt_put(ret_field_type);
 861         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 862                 NULL, 0) == 0,
 863                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 864         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 865                 &ret_field_type, 42) < 0,
 866                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 867         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 868                 &ret_field_type, 0) == 0,
 869                 "bt_ctf_event_class_get_field returns a field");
 870         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 871                 "bt_ctf_event_class_get_field returns a correct field type");
 872         bt_put(ret_field_type);
 873         ok(!strcmp(ret_string, "uint_35"),
 874                 "bt_ctf_event_class_get_field returns a correct field name");
 875         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 876                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 877         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 878                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 879         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 880                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 881         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 882                 "complex_structure");
 883         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 884                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 885         bt_put(ret_field_type);
 886
 887         event = bt_ctf_event_create(event_class);
 888         ok(event, "Instanciate a complex event");
 889
 890         ok(bt_ctf_event_get_class(NULL) == NULL,
 891                 "bt_ctf_event_get_class handles NULL correctly");
 892         ret_event_class = bt_ctf_event_get_class(event);
 893         ok(ret_event_class == event_class,
 894                 "bt_ctf_event_get_class returns the correct event class");
 895         bt_put(ret_event_class);
 896
 897         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 898         if (!uint_35_field) {
 899                 printf("uint_35_field is NULL\n");
 900         }
 901
 902         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 903         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 904         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
 905                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 906         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
 907                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 908         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 909                 &ret_unsigned_int) == 0,
 910                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 911         ok(ret_unsigned_int == 0x0DDF00D,
 912                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 913         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 914                 &ret_signed_int) < 0,
 915                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 916         bt_put(uint_35_field);
 917
 918         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 919         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 920         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
 921                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 922         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
 923                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 924         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 925                 &ret_signed_int) == 0,
 926                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 927         ok(ret_signed_int == -12345,
 928                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 929         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 930                 &ret_unsigned_int) < 0,
 931                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 932         bt_put(int_16_field);
 933
 934         complex_structure_field = bt_ctf_event_get_payload(event,
 935                 "complex_structure");
 936
 937         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 938                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 939         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 940                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 941         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 942                 complex_structure_field, 3);
 943         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 944         bt_put(inner_structure_field);
 945         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
 946                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 947         bt_put(ret_field_type);
 948
 949         inner_structure_field = bt_ctf_field_structure_get_field(
 950                 complex_structure_field, "inner_structure");
 951         a_string_field = bt_ctf_field_structure_get_field(
 952                 complex_structure_field, "a_string");
 953         enum_variant_field = bt_ctf_field_structure_get_field(
 954                 complex_structure_field, "variant_selector");
 955         variant_field = bt_ctf_field_structure_get_field(
 956                 complex_structure_field, "variant_value");
 957         uint_35_field = bt_ctf_field_structure_get_field(
 958                 inner_structure_field, "seq_len");
 959         a_sequence_field = bt_ctf_field_structure_get_field(
 960                 inner_structure_field, "a_sequence");
 961         an_array_field = bt_ctf_field_structure_get_field(
 962                 inner_structure_field, "an_array");
 963
 964         enum_container_field = bt_ctf_field_enumeration_get_container(
 965                 enum_variant_field);
 966         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 967         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 968                 enum_variant_field);
 969         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 970         bt_put(int_16_field);
 971         ok(!bt_ctf_field_string_get_value(a_string_field),
 972                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 973         bt_ctf_field_string_set_value(a_string_field,
 974                 test_string_1);
 975         ok(!bt_ctf_field_string_get_value(NULL),
 976                 "bt_ctf_field_string_get_value correctly handles NULL");
 977         ok(bt_ctf_field_string_append(NULL, "yeah"),
 978                 "bt_ctf_field_string_append correctly handles a NULL string field");
 979         ok(bt_ctf_field_string_append(a_string_field, NULL),
 980                 "bt_ctf_field_string_append correctly handles a NULL string value");
 981         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
 982                 "bt_ctf_field_string_append succeeds");
 983         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
 984                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
 985         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
 986                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
 987         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
 988                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
 989         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
 990                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
 991         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
 992                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
 993         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
 994                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
 995
 996         ret_string = bt_ctf_field_string_get_value(a_string_field);
 997         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
 998         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
 999                 "bt_ctf_field_string_get_value returns a correct value");
1000         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1001                 SEQUENCE_TEST_LENGTH);
1002
1003         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1004                 enum_container_field) == NULL,
1005                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1006         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1007                 NULL) == NULL,
1008                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1009         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1010                 variant_type, enum_variant_field);
1011         ok(ret_field_type == int_16_type,
1012                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1013
1014         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1015                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1016         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1017                 uint_35_field) == 0, "Set a sequence field's length");
1018         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1019         ok(ret_field == uint_35_field,
1020                 "bt_ctf_field_sequence_get_length returns the correct length field");
1021         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1022                 "bt_ctf_field_sequence_get_length properly handles NULL");
1023
1024         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1025                 int_16_field = bt_ctf_field_sequence_get_field(
1026                         a_sequence_field, i);
1027                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1028                 bt_put(int_16_field);
1029         }
1030
1031         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1032                 int_16_field = bt_ctf_field_array_get_field(
1033                         an_array_field, i);
1034                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1035                 bt_put(int_16_field);
1036         }
1037
1038         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1039         assert(stream_event_ctx_field);
1040         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1041                 stream_event_ctx_field, "common_event_context");
1042         BT_PUT(stream_event_ctx_field);
1043         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1044         BT_PUT(stream_event_ctx_int_field);
1045
1046         bt_ctf_clock_set_time(clock, ++current_time);
1047         ok(bt_ctf_stream_append_event(stream, event) == 0,
1048                 "Append a complex event to a stream");
1049
1050         /*
1051          * Populate the custom packet context field with a dummy value
1052          * otherwise flush will fail.
1053          */
1054         packet_context = bt_ctf_stream_get_packet_context(stream);
1055         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1056                 "custom_packet_context_field");
1057         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1058
1059         ok(bt_ctf_stream_flush(stream) == 0,
1060                 "Flush a stream containing a complex event");
1061
1062         bt_put(uint_35_field);
1063         bt_put(a_string_field);
1064         bt_put(inner_structure_field);
1065         bt_put(complex_structure_field);
1066         bt_put(a_sequence_field);
1067         bt_put(an_array_field);
1068         bt_put(enum_variant_field);
1069         bt_put(enum_container_field);
1070         bt_put(variant_field);
1071         bt_put(ret_field);
1072         bt_put(packet_context_field);
1073         bt_put(packet_context);
1074         bt_put(uint_35_type);
1075         bt_put(int_16_type);
1076         bt_put(string_type);
1077         bt_put(sequence_type);
1078         bt_put(array_type);
1079         bt_put(inner_structure_type);
1080         bt_put(complex_structure_type);
1081         bt_put(uint_3_type);
1082         bt_put(enum_variant_type);
1083         bt_put(variant_type);
1084         bt_put(ret_field_type);
1085         bt_put(event_class);
1086         bt_put(event);
1087 }
1088
1089 static
1090 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1091                 struct bt_ctf_field_type *expected_type, const char *name)
1092 {
1093         struct bt_ctf_field_type *copy_type;
1094
1095         copy_type = bt_ctf_field_get_type(field);
1096         ok(copy_type == expected_type,
1097                 "bt_ctf_field_copy does not copy the type (%s)", name);
1098         bt_put(copy_type);
1099 }
1100
1101 static
1102 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1103                 struct bt_ctf_field *field_b, const char *name)
1104 {
1105         ok(field_a != field_b,
1106                 "bt_ctf_field_copy creates different pointers (%s)", name);
1107 }
1108
1109 static
1110 void field_copy_tests()
1111 {
1112         struct bt_ctf_field_type *len_type = NULL;
1113         struct bt_ctf_field_type *fp_type = NULL;
1114         struct bt_ctf_field_type *s_type = NULL;
1115         struct bt_ctf_field_type *e_int_type = NULL;
1116         struct bt_ctf_field_type *e_type = NULL;
1117         struct bt_ctf_field_type *v_type = NULL;
1118         struct bt_ctf_field_type *v_label1_type = NULL;
1119         struct bt_ctf_field_type *v_label1_array_type = NULL;
1120         struct bt_ctf_field_type *v_label2_type = NULL;
1121         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1122         struct bt_ctf_field_type *strct_type = NULL;
1123         struct bt_ctf_field *len = NULL;
1124         struct bt_ctf_field *fp = NULL;
1125         struct bt_ctf_field *s = NULL;
1126         struct bt_ctf_field *e_int = NULL;
1127         struct bt_ctf_field *e = NULL;
1128         struct bt_ctf_field *v = NULL;
1129         struct bt_ctf_field *v_selected = NULL;
1130         struct bt_ctf_field *v_selected_cur = NULL;
1131         struct bt_ctf_field *v_selected_0 = NULL;
1132         struct bt_ctf_field *v_selected_1 = NULL;
1133         struct bt_ctf_field *v_selected_2 = NULL;
1134         struct bt_ctf_field *v_selected_3 = NULL;
1135         struct bt_ctf_field *v_selected_4 = NULL;
1136         struct bt_ctf_field *v_selected_5 = NULL;
1137         struct bt_ctf_field *v_selected_6 = NULL;
1138         struct bt_ctf_field *a = NULL;
1139         struct bt_ctf_field *a_0 = NULL;
1140         struct bt_ctf_field *a_1 = NULL;
1141         struct bt_ctf_field *a_2 = NULL;
1142         struct bt_ctf_field *a_3 = NULL;
1143         struct bt_ctf_field *a_4 = NULL;
1144         struct bt_ctf_field *strct = NULL;
1145         struct bt_ctf_field *len_copy = NULL;
1146         struct bt_ctf_field *fp_copy = NULL;
1147         struct bt_ctf_field *s_copy = NULL;
1148         struct bt_ctf_field *e_int_copy = NULL;
1149         struct bt_ctf_field *e_copy = NULL;
1150         struct bt_ctf_field *v_copy = NULL;
1151         struct bt_ctf_field *v_selected_copy = NULL;
1152         struct bt_ctf_field *v_selected_copy_len = NULL;
1153         struct bt_ctf_field *v_selected_0_copy = NULL;
1154         struct bt_ctf_field *v_selected_1_copy = NULL;
1155         struct bt_ctf_field *v_selected_2_copy = NULL;
1156         struct bt_ctf_field *v_selected_3_copy = NULL;
1157         struct bt_ctf_field *v_selected_4_copy = NULL;
1158         struct bt_ctf_field *v_selected_5_copy = NULL;
1159         struct bt_ctf_field *v_selected_6_copy = NULL;
1160         struct bt_ctf_field *a_copy = NULL;
1161         struct bt_ctf_field *a_0_copy = NULL;
1162         struct bt_ctf_field *a_1_copy = NULL;
1163         struct bt_ctf_field *a_2_copy = NULL;
1164         struct bt_ctf_field *a_3_copy = NULL;
1165         struct bt_ctf_field *a_4_copy = NULL;
1166         struct bt_ctf_field *strct_copy = NULL;
1167         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1168         uint64_t uint64_t_val;
1169         const char *str_val;
1170         double double_val;
1171         int ret;
1172
1173         /* create len type */
1174         len_type = bt_ctf_field_type_integer_create(32);
1175         assert(len_type);
1176
1177         /* create fp type */
1178         fp_type = bt_ctf_field_type_floating_point_create();
1179         assert(fp_type);
1180
1181         /* create s type */
1182         s_type = bt_ctf_field_type_string_create();
1183         assert(s_type);
1184
1185         /* create e_int type */
1186         e_int_type = bt_ctf_field_type_integer_create(8);
1187         assert(e_int_type);
1188
1189         /* create e type */
1190         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1191         assert(e_type);
1192         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1193                 10, 15);
1194         assert(!ret);
1195         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1196                 23, 23);
1197         assert(!ret);
1198
1199         /* create v_label1 type */
1200         v_label1_type = bt_ctf_field_type_string_create();
1201         assert(v_label1_type);
1202
1203         /* create v_label1_array type */
1204         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1205         assert(v_label1_array_type);
1206
1207         /* create v_label2 type */
1208         v_label2_type = bt_ctf_field_type_integer_create(16);
1209         assert(v_label2_type);
1210
1211         /* create v_label2_seq type */
1212         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1213                 "len");
1214         assert(v_label2_seq_type);
1215
1216         /* create v type */
1217         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1218         assert(v_type);
1219         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1220                 "LABEL1");
1221         assert(!ret);
1222         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1223                 "LABEL2");
1224         assert(!ret);
1225
1226         /* create strct type */
1227         strct_type = bt_ctf_field_type_structure_create();
1228         assert(strct_type);
1229         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1230                 "len");
1231         assert(!ret);
1232         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1233         assert(!ret);
1234         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1235         assert(!ret);
1236         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1237         assert(!ret);
1238         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1239         assert(!ret);
1240         ret = bt_ctf_field_type_structure_add_field(strct_type,
1241                 v_label1_array_type, "a");
1242         assert(!ret);
1243
1244         /* create strct */
1245         strct = bt_ctf_field_create(strct_type);
1246         assert(strct);
1247
1248         /* get len field */
1249         len = bt_ctf_field_structure_get_field(strct, "len");
1250         assert(len);
1251
1252         /* get fp field */
1253         fp = bt_ctf_field_structure_get_field(strct, "fp");
1254         assert(fp);
1255
1256         /* get s field */
1257         s = bt_ctf_field_structure_get_field(strct, "s");
1258         assert(s);
1259
1260         /* get e field */
1261         e = bt_ctf_field_structure_get_field(strct, "e");
1262         assert(e);
1263
1264         /* get e_int (underlying integer) */
1265         e_int = bt_ctf_field_enumeration_get_container(e);
1266         assert(e_int);
1267
1268         /* get v field */
1269         v = bt_ctf_field_structure_get_field(strct, "v");
1270         assert(v);
1271
1272         /* get a field */
1273         a = bt_ctf_field_structure_get_field(strct, "a");
1274         assert(a);
1275
1276         /* set len field */
1277         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1278         assert(!ret);
1279
1280         /* set fp field */
1281         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1282         assert(!ret);
1283
1284         /* set s field */
1285         ret = bt_ctf_field_string_set_value(s, "btbt");
1286         assert(!ret);
1287
1288         /* set e field (LABEL2) */
1289         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1290         assert(!ret);
1291
1292         /* set v field */
1293         v_selected = bt_ctf_field_variant_get_field(v, e);
1294         assert(v_selected);
1295         ok(!bt_ctf_field_variant_get_current_field(NULL),
1296                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1297         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1298         ok(v_selected_cur == v_selected,
1299                 "bt_ctf_field_variant_get_current_field returns the current field");
1300         bt_put(v_selected_cur);
1301
1302         /* set selected v field */
1303         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1304         assert(!ret);
1305         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1306         assert(v_selected_0);
1307         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1308         assert(!ret);
1309         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1310         assert(v_selected_1);
1311         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1312         assert(!ret);
1313         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1314         assert(v_selected_2);
1315         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1316         assert(!ret);
1317         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1318         assert(v_selected_3);
1319         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1320         assert(!ret);
1321         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1322         assert(v_selected_4);
1323         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1324         assert(!ret);
1325         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1326         assert(v_selected_5);
1327         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1328         assert(!ret);
1329         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1330         assert(v_selected_6);
1331         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1332         assert(!ret);
1333
1334         /* set a field */
1335         a_0 = bt_ctf_field_array_get_field(a, 0);
1336         assert(a_0);
1337         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1338         assert(!ret);
1339         a_1 = bt_ctf_field_array_get_field(a, 1);
1340         assert(a_1);
1341         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1342         assert(!ret);
1343         a_2 = bt_ctf_field_array_get_field(a, 2);
1344         assert(a_2);
1345         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1346         assert(!ret);
1347         a_3 = bt_ctf_field_array_get_field(a, 3);
1348         assert(a_3);
1349         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1350         assert(!ret);
1351         a_4 = bt_ctf_field_array_get_field(a, 4);
1352         assert(a_4);
1353         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1354         assert(!ret);
1355
1356         /* create copy of strct */
1357         ok(!bt_ctf_field_copy(NULL),
1358                 "bt_ctf_field_copy handles NULL correctly");
1359         strct_copy = bt_ctf_field_copy(strct);
1360         ok(strct_copy,
1361                 "bt_ctf_field_copy returns a valid pointer");
1362
1363         /* get all copied fields */
1364         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1365         assert(len_copy);
1366         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1367         assert(fp_copy);
1368         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1369         assert(s_copy);
1370         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1371         assert(e_copy);
1372         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1373         assert(e_int_copy);
1374         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1375         assert(v_copy);
1376         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1377         assert(v_selected_copy);
1378         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1379         assert(v_selected_0_copy);
1380         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1381         assert(v_selected_1_copy);
1382         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1383         assert(v_selected_2_copy);
1384         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1385         assert(v_selected_3_copy);
1386         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1387         assert(v_selected_4_copy);
1388         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1389         assert(v_selected_5_copy);
1390         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1391         assert(v_selected_6_copy);
1392         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1393                 "sequence field copy is not too large");
1394         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1395         assert(a_copy);
1396         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1397         assert(a_0_copy);
1398         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1399         assert(a_1_copy);
1400         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1401         assert(a_2_copy);
1402         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1403         assert(a_3_copy);
1404         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1405         assert(a_4_copy);
1406         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1407                 "array field copy is not too large");
1408
1409         /* make sure copied fields are different pointers */
1410         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1411         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1412         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1413         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1414         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1415         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1416         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1417         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1418                 "v_selected");
1419         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1420                 "v_selected_0");
1421         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1422                 "v_selected_1");
1423         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1424                 "v_selected_2");
1425         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1426                 "v_selected_3");
1427         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1428                 "v_selected_4");
1429         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1430                 "v_selected_5");
1431         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1432                 "v_selected_6");
1433         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1434         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1435         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1436         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1437         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1438         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1439
1440         /* make sure copied fields share the same types */
1441         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1442         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1443         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1444         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1445         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1446         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1447         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1448                 "v_selected");
1449         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1450                 "v_selected_0");
1451         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1452                 "v_selected_1");
1453         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1454                 "v_selected_2");
1455         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1456                 "v_selected_3");
1457         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1458                 "v_selected_4");
1459         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1460                 "v_selected_5");
1461         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1462                 "v_selected_6");
1463         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1464         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1465         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1466         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1467         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1468         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1469
1470         /* validate len copy */
1471         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1472         assert(!ret);
1473         ok(uint64_t_val == 7,
1474                 "bt_ctf_field_copy creates a valid integer field copy");
1475
1476         /* validate fp copy */
1477         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1478         assert(!ret);
1479         ok(double_val == 3.14,
1480                 "bt_ctf_field_copy creates a valid floating point number field copy");
1481
1482         /* validate s copy */
1483         str_val = bt_ctf_field_string_get_value(s_copy);
1484         ok(str_val && !strcmp(str_val, "btbt"),
1485                 "bt_ctf_field_copy creates a valid string field copy");
1486
1487         /* validate e_int copy */
1488         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1489                 &uint64_t_val);
1490         assert(!ret);
1491         ok(uint64_t_val == 23,
1492                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1493
1494         /* validate e copy */
1495         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1496         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1497                 &str_val, NULL, NULL);
1498         ok(str_val && !strcmp(str_val, "LABEL2"),
1499                 "bt_ctf_field_copy creates a valid enum field copy");
1500
1501         /* validate v_selected copy */
1502         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1503         assert(v_selected_copy_len);
1504         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1505                 &uint64_t_val);
1506         assert(!ret);
1507         ok(uint64_t_val == 7,
1508                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1509         bt_put(v_selected_copy_len);
1510         v_selected_copy_len = NULL;
1511
1512         /* validate v_selected copy fields */
1513         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1514                 &uint64_t_val);
1515         assert(!ret);
1516         ok(uint64_t_val == 7,
1517                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1518         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1519                 &uint64_t_val);
1520         assert(!ret);
1521         ok(uint64_t_val == 6,
1522                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1523         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1524                 &uint64_t_val);
1525         assert(!ret);
1526         ok(uint64_t_val == 5,
1527                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1528         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1529                 &uint64_t_val);
1530         assert(!ret);
1531         ok(uint64_t_val == 4,
1532                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1533         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1534                 &uint64_t_val);
1535         assert(!ret);
1536         ok(uint64_t_val == 3,
1537                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1538         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1539                 &uint64_t_val);
1540         assert(!ret);
1541         ok(uint64_t_val == 2,
1542                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1543         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1544                 &uint64_t_val);
1545         assert(!ret);
1546         ok(uint64_t_val == 1,
1547                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1548
1549         /* validate a copy fields */
1550         str_val = bt_ctf_field_string_get_value(a_0_copy);
1551         ok(str_val && !strcmp(str_val, "a_0"),
1552                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1553         str_val = bt_ctf_field_string_get_value(a_1_copy);
1554         ok(str_val && !strcmp(str_val, "a_1"),
1555                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1556         str_val = bt_ctf_field_string_get_value(a_2_copy);
1557         ok(str_val && !strcmp(str_val, "a_2"),
1558                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1559         str_val = bt_ctf_field_string_get_value(a_3_copy);
1560         ok(str_val && !strcmp(str_val, "a_3"),
1561                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1562         str_val = bt_ctf_field_string_get_value(a_4_copy);
1563         ok(str_val && !strcmp(str_val, "a_4"),
1564                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1565
1566         /* put everything */
1567         bt_put(len_type);
1568         bt_put(fp_type);
1569         bt_put(s_type);
1570         bt_put(e_int_type);
1571         bt_put(e_type);
1572         bt_put(v_type);
1573         bt_put(v_label1_type);
1574         bt_put(v_label1_array_type);
1575         bt_put(v_label2_type);
1576         bt_put(v_label2_seq_type);
1577         bt_put(strct_type);
1578         bt_put(len);
1579         bt_put(fp);
1580         bt_put(s);
1581         bt_put(e_int);
1582         bt_put(e);
1583         bt_put(v);
1584         bt_put(v_selected);
1585         bt_put(v_selected_0);
1586         bt_put(v_selected_1);
1587         bt_put(v_selected_2);
1588         bt_put(v_selected_3);
1589         bt_put(v_selected_4);
1590         bt_put(v_selected_5);
1591         bt_put(v_selected_6);
1592         bt_put(a);
1593         bt_put(a_0);
1594         bt_put(a_1);
1595         bt_put(a_2);
1596         bt_put(a_3);
1597         bt_put(a_4);
1598         bt_put(strct);
1599         bt_put(len_copy);
1600         bt_put(fp_copy);
1601         bt_put(s_copy);
1602         bt_put(e_int_copy);
1603         bt_put(e_copy);
1604         bt_put(v_copy);
1605         bt_put(v_selected_copy);
1606         bt_put(v_selected_0_copy);
1607         bt_put(v_selected_1_copy);
1608         bt_put(v_selected_2_copy);
1609         bt_put(v_selected_3_copy);
1610         bt_put(v_selected_4_copy);
1611         bt_put(v_selected_5_copy);
1612         bt_put(v_selected_6_copy);
1613         bt_put(a_copy);
1614         bt_put(a_0_copy);
1615         bt_put(a_1_copy);
1616         bt_put(a_2_copy);
1617         bt_put(a_3_copy);
1618         bt_put(a_4_copy);
1619         bt_put(strct_copy);
1620         bt_put(e_iter);
1621 }
1622
1623 static
1624 void type_field_tests()
1625 {
1626         struct bt_ctf_field *uint_12;
1627         struct bt_ctf_field *int_16;
1628         struct bt_ctf_field *string;
1629         struct bt_ctf_field *enumeration;
1630         struct bt_ctf_field_type *composite_structure_type;
1631         struct bt_ctf_field_type *structure_seq_type;
1632         struct bt_ctf_field_type *string_type;
1633         struct bt_ctf_field_type *sequence_type;
1634         struct bt_ctf_field_type *uint_8_type;
1635         struct bt_ctf_field_type *int_16_type;
1636         struct bt_ctf_field_type *uint_12_type =
1637                 bt_ctf_field_type_integer_create(12);
1638         struct bt_ctf_field_type *enumeration_type;
1639         struct bt_ctf_field_type *returned_type;
1640         const char *ret_string;
1641
1642         returned_type = bt_ctf_field_get_type(NULL);
1643         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1644
1645         ok(uint_12_type, "Create an unsigned integer type");
1646         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1647                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1648                 "Set integer type's base as binary");
1649         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1650                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1651                 "Set integer type's base as decimal");
1652         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1653                 BT_CTF_INTEGER_BASE_UNKNOWN),
1654                 "Reject integer type's base set as unknown");
1655         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1656                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1657                 "Set integer type's base as octal");
1658         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1659                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1660                 "Set integer type's base as hexadecimal");
1661         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1662                 "Reject unknown integer base value");
1663         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1664                 "Set integer type signedness to signed");
1665         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1666                 "Set integer type signedness to unsigned");
1667         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1668                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1669         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1670                 "bt_ctf_field_type_integer_get_size returns a correct value");
1671         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1672                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1673         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1674                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1675
1676         ok(bt_ctf_field_type_set_byte_order(NULL,
1677                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1678                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1679         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1680                 (enum bt_ctf_byte_order) 42) < 0,
1681                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1682         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1683                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1684                 "Set an integer's byte order to little endian");
1685         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1686                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1687                 "Set an integer's byte order to big endian");
1688         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1689                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1690                 "bt_ctf_field_type_get_byte_order returns a correct value");
1691         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1692                 BT_CTF_BYTE_ORDER_UNKNOWN,
1693                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1694
1695         ok(bt_ctf_field_type_get_type_id(NULL) ==
1696                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1697                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1698         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1699                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1700                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1701
1702         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1703                 BT_CTF_INTEGER_BASE_UNKNOWN,
1704                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1705         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1706                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1707                 "bt_ctf_field_type_integer_get_base returns a correct value");
1708
1709         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1710                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1711                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1712         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1713                 (enum bt_ctf_string_encoding) 123) < 0,
1714                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1715         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1716                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1717                 "Set integer type encoding to UTF8");
1718         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1719                 BT_CTF_STRING_ENCODING_UNKNOWN,
1720                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1721         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1722                 BT_CTF_STRING_ENCODING_UTF8,
1723                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1724
1725         int_16_type = bt_ctf_field_type_integer_create(16);
1726         assert(int_16_type);
1727         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1728                 "Set signedness of 16 bit integer to true");
1729         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1730                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1731         uint_8_type = bt_ctf_field_type_integer_create(8);
1732         sequence_type =
1733                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1734         ok(sequence_type, "Create a sequence of int16_t type");
1735         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1736                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1737                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1738
1739         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1740                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1741         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1742                 sequence_type);
1743         ok(!strcmp(ret_string, "seq_len"),
1744                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1745         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1746                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1747         returned_type = bt_ctf_field_type_sequence_get_element_type(
1748                 sequence_type);
1749         ok(returned_type == int_16_type,
1750                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1751         bt_put(returned_type);
1752
1753         string_type = bt_ctf_field_type_string_create();
1754         ok(string_type, "Create a string type");
1755         ok(bt_ctf_field_type_string_set_encoding(string_type,
1756                 BT_CTF_STRING_ENCODING_NONE),
1757                 "Reject invalid \"None\" string encoding");
1758         ok(bt_ctf_field_type_string_set_encoding(string_type,
1759                 42),
1760                 "Reject invalid string encoding");
1761         ok(bt_ctf_field_type_string_set_encoding(string_type,
1762                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1763                 "Set string encoding to ASCII");
1764
1765         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1766                 BT_CTF_STRING_ENCODING_UNKNOWN,
1767                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1768         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1769                 BT_CTF_STRING_ENCODING_ASCII,
1770                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1771
1772         structure_seq_type = bt_ctf_field_type_structure_create();
1773         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1774                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1775                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1776         ok(structure_seq_type, "Create a structure type");
1777         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1778                 uint_8_type, "seq_len") == 0,
1779                 "Add a uint8_t type to a structure");
1780         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1781                 sequence_type, "a_sequence") == 0,
1782                 "Add a sequence type to a structure");
1783
1784         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1785                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1786         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1787                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1788
1789         ok(bt_ctf_field_type_structure_get_field(NULL,
1790                 &ret_string, &returned_type, 1) < 0,
1791                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1792         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1793                 NULL, &returned_type, 1) == 0,
1794                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1795         bt_put(returned_type);
1796         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1797                 &ret_string, NULL, 1) == 0,
1798                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1799         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1800                 &ret_string, &returned_type, 10) < 0,
1801                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1802         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1803                 &ret_string, &returned_type, 1) == 0,
1804                 "bt_ctf_field_type_structure_get_field returns a field");
1805         ok(!strcmp(ret_string, "a_sequence"),
1806                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1807         ok(returned_type == sequence_type,
1808                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1809         bt_put(returned_type);
1810
1811         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1812                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1813         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1814                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1815         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1816                 structure_seq_type, "a_sequence");
1817         ok(returned_type == sequence_type,
1818                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1819         bt_put(returned_type);
1820
1821         composite_structure_type = bt_ctf_field_type_structure_create();
1822         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1823                 string_type, "a_string") == 0,
1824                 "Add a string type to a structure");
1825         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1826                 structure_seq_type, "inner_structure") == 0,
1827                 "Add a structure type to a structure");
1828
1829         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1830                 NULL, "a_sequence") == NULL,
1831                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1832         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1833                 structure_seq_type, NULL) == NULL,
1834                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1835         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1836                 structure_seq_type, "a_sequence");
1837         ok(returned_type == sequence_type,
1838                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1839         bt_put(returned_type);
1840
1841         int_16 = bt_ctf_field_create(int_16_type);
1842         ok(int_16, "Instanciate a signed 16-bit integer");
1843         uint_12 = bt_ctf_field_create(uint_12_type);
1844         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1845         returned_type = bt_ctf_field_get_type(int_16);
1846         ok(returned_type == int_16_type,
1847                 "bt_ctf_field_get_type returns the correct type");
1848
1849         /* Can't modify types after instanciating them */
1850         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1851                 BT_CTF_INTEGER_BASE_DECIMAL),
1852                 "Check an integer type' base can't be modified after instanciation");
1853         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1854                 "Check an integer type's signedness can't be modified after instanciation");
1855
1856         /* Check signed property is checked */
1857         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1858                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1859         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1860                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1861
1862         /* Check overflows are properly tested for */
1863         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1864                 "Check -32768 is allowed for a signed 16-bit integer");
1865         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1866                 "Check 32767 is allowed for a signed 16-bit integer");
1867         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1868                 "Check 32768 is not allowed for a signed 16-bit integer");
1869         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1870                 "Check -32769 is not allowed for a signed 16-bit integer");
1871         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1872                 "Check -42 is allowed for a signed 16-bit integer");
1873
1874         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1875                 "Check 4095 is allowed for an unsigned 12-bit integer");
1876         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1877                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1878         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1879                 "Check 0 is allowed for an unsigned 12-bit integer");
1880
1881         string = bt_ctf_field_create(string_type);
1882         ok(string, "Instanciate a string field");
1883         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1884                 "Set a string's value");
1885
1886         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1887         ok(enumeration_type,
1888                 "Create an enumeration type with an unsigned 12-bit integer as container");
1889         enumeration = bt_ctf_field_create(enumeration_type);
1890         ok(!enumeration,
1891                 "Check enumeration types are validated before instantiation");
1892
1893         bt_put(string);
1894         bt_put(uint_12);
1895         bt_put(int_16);
1896         bt_put(enumeration);
1897         bt_put(composite_structure_type);
1898         bt_put(structure_seq_type);
1899         bt_put(string_type);
1900         bt_put(sequence_type);
1901         bt_put(uint_8_type);
1902         bt_put(int_16_type);
1903         bt_put(uint_12_type);
1904         bt_put(enumeration_type);
1905         bt_put(returned_type);
1906 }
1907
1908 static
1909 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1910                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1911 {
1912         /*
1913          * Append enough events to force the underlying packet to be resized.
1914          * Also tests that a new event can be declared after a stream has been
1915          * instantiated and used/flushed.
1916          */
1917         int ret = 0;
1918         int i;
1919         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1920                 "Spammy_Event");
1921         struct bt_ctf_field_type *integer_type =
1922                 bt_ctf_field_type_integer_create(17);
1923         struct bt_ctf_field_type *string_type =
1924                 bt_ctf_field_type_string_create();
1925         struct bt_ctf_event *event = NULL;
1926         struct bt_ctf_field *ret_field = NULL;
1927         struct bt_ctf_field_type *ret_field_type = NULL;
1928         uint64_t ret_uint64;
1929         int events_appended = 0;
1930         struct bt_ctf_field *packet_context = NULL,
1931                 *packet_context_field = NULL, *stream_event_context = NULL;
1932         struct bt_ctf_field_type *ep_field_1_type = NULL;
1933         struct bt_ctf_field_type *ep_a_string_type = NULL;
1934         struct bt_ctf_field_type *ep_type = NULL;
1935
1936         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1937                 "field_1");
1938         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1939                 "a_string");
1940         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1941         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1942         if (ret) {
1943                 goto end;
1944         }
1945
1946         /*
1947          * bt_ctf_stream_class_add_event_class() copies the field types
1948          * of event_class, so we retrieve the new ones to create the
1949          * appropriate fields.
1950          */
1951         ep_type = bt_ctf_event_class_get_payload_type(event_class);
1952         assert(ep_type);
1953         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
1954                 ep_type, "field_1");
1955         assert(ep_field_1_type);
1956         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
1957                 ep_type, "a_string");
1958         assert(ep_a_string_type);
1959
1960         event = bt_ctf_event_create(event_class);
1961         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1962         ret_field_type = bt_ctf_field_get_type(ret_field);
1963         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
1964                 "bt_ctf_event_get_payload_by_index returns a correct field");
1965         bt_put(ret_field_type);
1966         bt_put(ret_field);
1967
1968         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1969                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1970         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1971                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1972         bt_put(event);
1973
1974         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
1975                 event = bt_ctf_event_create(event_class);
1976                 struct bt_ctf_field *integer =
1977                         bt_ctf_field_create(ep_field_1_type);
1978                 struct bt_ctf_field *string =
1979                         bt_ctf_field_create(ep_a_string_type);
1980
1981                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1982                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1983                 ret |= bt_ctf_event_set_payload(event, "field_1",
1984                         integer);
1985                 bt_put(integer);
1986                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1987                 ret |= bt_ctf_event_set_payload(event, "a_string",
1988                         string);
1989                 bt_put(string);
1990
1991                 /* Populate stream event context */
1992                 stream_event_context =
1993                         bt_ctf_event_get_stream_event_context(event);
1994                 integer = bt_ctf_field_structure_get_field(stream_event_context,
1995                         "common_event_context");
1996                 BT_PUT(stream_event_context);
1997                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
1998                         i % 42);
1999                 bt_put(integer);
2000
2001                 ret |= bt_ctf_stream_append_event(stream, event);
2002                 bt_put(event);
2003
2004                 if (ret) {
2005                         break;
2006                 }
2007         }
2008
2009         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2010         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2011                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2012         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2013                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2014         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2015         ok(ret == 0 && ret_uint64 == 0,
2016                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2017         bt_ctf_stream_append_discarded_events(stream, 1000);
2018         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2019         ok(ret == 0 && ret_uint64 == 1000,
2020                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2021
2022 end:
2023         ok(events_appended, "Append 100 000 events to a stream");
2024
2025         /*
2026          * Populate the custom packet context field with a dummy value
2027          * otherwise flush will fail.
2028          */
2029         packet_context = bt_ctf_stream_get_packet_context(stream);
2030         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2031                 "custom_packet_context_field");
2032         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2033
2034         ok(bt_ctf_stream_flush(stream) == 0,
2035                 "Flush a stream that forces a packet resize");
2036         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2037         ok(ret == 0 && ret_uint64 == 1000,
2038                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2039         bt_put(integer_type);
2040         bt_put(string_type);
2041         bt_put(packet_context);
2042         bt_put(packet_context_field);
2043         bt_put(stream_event_context);
2044         bt_put(event_class);
2045         bt_put(ep_field_1_type);
2046         bt_put(ep_a_string_type);
2047         bt_put(ep_type);
2048 }
2049
2050 static
2051 void test_empty_stream(struct bt_ctf_writer *writer)
2052 {
2053         int ret = 0;
2054         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2055         struct bt_ctf_stream_class *stream_class = NULL;
2056         struct bt_ctf_stream *stream = NULL;
2057
2058         trace = bt_ctf_writer_get_trace(writer);
2059         if (!trace) {
2060                 diag("Failed to get trace from writer");
2061                 ret = -1;
2062                 goto end;
2063         }
2064
2065         stream_class = bt_ctf_stream_class_create("empty_stream");
2066         if (!stream_class) {
2067                 diag("Failed to create stream class");
2068                 ret = -1;
2069                 goto end;
2070         }
2071
2072         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2073         assert(ret == 0);
2074         ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL);
2075         assert(ret == 0);
2076
2077         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2078                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2079         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2080                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2081
2082         stream = bt_ctf_writer_create_stream(writer, stream_class);
2083         if (!stream) {
2084                 diag("Failed to create writer stream");
2085                 ret = -1;
2086                 goto end;
2087         }
2088
2089         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2090         ok(ret_trace == trace,
2091                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2092 end:
2093         ok(ret == 0,
2094                 "Created a stream class with default attributes and an empty stream");
2095         bt_put(trace);
2096         bt_put(ret_trace);
2097         bt_put(stream);
2098         bt_put(stream_class);
2099 }
2100
2101 static
2102 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2103                         struct bt_ctf_clock *clock)
2104 {
2105         int i, ret;
2106         struct bt_ctf_stream_class *stream_class = NULL;
2107         struct bt_ctf_stream *stream = NULL;
2108         struct bt_ctf_field_type *integer_type = NULL,
2109                 *sequence_type = NULL, *event_header_type = NULL;
2110         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2111                 *event_header = NULL, *packet_header = NULL;
2112         struct bt_ctf_event_class *event_class = NULL;
2113         struct bt_ctf_event *event = NULL;
2114
2115         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2116         if (!stream_class) {
2117                 fail("Failed to create stream class");
2118                 goto end;
2119         }
2120
2121         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2122         if (ret) {
2123                 fail("Failed to set stream class clock");
2124                 goto end;
2125         }
2126
2127         /*
2128          * Customize event header to add an "seq_len" integer member
2129          * which will be used as the length of a sequence in an event of this
2130          * stream.
2131          */
2132         event_header_type = bt_ctf_stream_class_get_event_header_type(
2133                 stream_class);
2134         if (!event_header_type) {
2135                 fail("Failed to get event header type");
2136                 goto end;
2137         }
2138
2139         integer_type = bt_ctf_field_type_integer_create(13);
2140         if (!integer_type) {
2141                 fail("Failed to create length integer type");
2142                 goto end;
2143         }
2144
2145         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2146                 integer_type, "seq_len");
2147         if (ret) {
2148                 fail("Failed to add a new field to stream event header");
2149                 goto end;
2150         }
2151
2152         event_class = bt_ctf_event_class_create("sequence_event");
2153         if (!event_class) {
2154                 fail("Failed to create event class");
2155                 goto end;
2156         }
2157
2158         /*
2159          * This event's payload will contain a sequence which references
2160          * stream.event.header.seq_len as its length field.
2161          */
2162         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2163                 "stream.event.header.seq_len");
2164         if (!sequence_type) {
2165                 fail("Failed to create a sequence");
2166                 goto end;
2167         }
2168
2169         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2170                 "some_sequence");
2171         if (ret) {
2172                 fail("Failed to add a sequence to an event class");
2173                 goto end;
2174         }
2175
2176         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2177         if (ret) {
2178                 fail("Failed to add event class to stream class");
2179                 goto end;
2180         }
2181
2182         stream = bt_ctf_writer_create_stream(writer, stream_class);
2183         if (!stream) {
2184                 fail("Failed to create stream")
2185                 goto end;
2186         }
2187
2188         /*
2189          * We have defined a custom packet header field. We have to populate it
2190          * explicitly.
2191          */
2192         packet_header = bt_ctf_stream_get_packet_header(stream);
2193         if (!packet_header) {
2194                 fail("Failed to get stream packet header");
2195                 goto end;
2196         }
2197
2198         integer = bt_ctf_field_structure_get_field(packet_header,
2199                 "custom_trace_packet_header_field");
2200         if (!integer) {
2201                 fail("Failed to retrieve custom_trace_packet_header_field");
2202                 goto end;
2203         }
2204
2205         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2206         if (ret) {
2207                 fail("Failed to set custom_trace_packet_header_field value");
2208                 goto end;
2209         }
2210         bt_put(integer);
2211
2212         event = bt_ctf_event_create(event_class);
2213         if (!event) {
2214                 fail("Failed to create event");
2215                 goto end;
2216         }
2217
2218         event_header = bt_ctf_event_get_header(event);
2219         if (!event_header) {
2220                 fail("Failed to get event header");
2221                 goto end;
2222         }
2223
2224         integer = bt_ctf_field_structure_get_field(event_header,
2225                 "seq_len");
2226         if (!integer) {
2227                 fail("Failed to get seq_len field from event header");
2228                 goto end;
2229         }
2230
2231         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2232         if (ret) {
2233                 fail("Failed to set seq_len value in event header");
2234                 goto end;
2235         }
2236
2237         /* Populate both sequence integer fields */
2238         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2239         if (!sequence) {
2240                 fail("Failed to retrieve sequence from event");
2241                 goto end;
2242         }
2243
2244         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2245         if (ret) {
2246                 fail("Failed to set sequence length");
2247                 goto end;
2248         }
2249         bt_put(integer);
2250
2251         for (i = 0; i < 2; i++) {
2252                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2253                 if (ret) {
2254                         fail("Failed to retrieve sequence element");
2255                         goto end;
2256                 }
2257
2258                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2259                 if (ret) {
2260                         fail("Failed to set sequence element value");
2261                         goto end;
2262                 }
2263
2264                 bt_put(integer);
2265                 integer = NULL;
2266         }
2267
2268         ret = bt_ctf_stream_append_event(stream, event);
2269         if (ret) {
2270                 fail("Failed to append event to stream");
2271                 goto end;
2272         }
2273
2274         ret = bt_ctf_stream_flush(stream);
2275         if (ret) {
2276                 fail("Failed to flush custom_event_header stream");
2277         }
2278 end:
2279         bt_put(stream);
2280         bt_put(stream_class);
2281         bt_put(event_class);
2282         bt_put(event);
2283         bt_put(integer);
2284         bt_put(sequence);
2285         bt_put(event_header);
2286         bt_put(packet_header);
2287         bt_put(sequence_type);
2288         bt_put(integer_type);
2289         bt_put(event_header_type);
2290 }
2291
2292 static
2293 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2294                 struct bt_ctf_clock *clock)
2295 {
2296         int ret = 0;
2297         struct bt_ctf_stream_class *stream_class = NULL;
2298         struct bt_ctf_stream *stream = NULL,
2299                 *ret_stream = NULL;
2300         struct bt_ctf_event_class *event_class = NULL;
2301         struct bt_ctf_event *event = NULL;
2302         struct bt_ctf_field_type *integer_type = NULL;
2303         struct bt_ctf_field *integer = NULL;
2304
2305         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2306         if (!stream_class) {
2307                 diag("Failed to create stream class");
2308                 ret = -1;
2309                 goto end;
2310         }
2311
2312         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2313         if (ret) {
2314                 diag("Failed to set stream class clock");
2315                 goto end;
2316         }
2317
2318         event_class = bt_ctf_event_class_create("some_event_class_name");
2319         integer_type = bt_ctf_field_type_integer_create(32);
2320         if (!integer_type) {
2321                 diag("Failed to create integer field type");
2322                 ret = -1;
2323                 goto end;
2324         }
2325
2326         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2327                 "integer_field");
2328         if (ret) {
2329                 diag("Failed to add field to event class");
2330                 goto end;
2331         }
2332
2333         ret = bt_ctf_stream_class_add_event_class(stream_class,
2334                 event_class);
2335         if (ret) {
2336                 diag("Failed to add event class to stream class");
2337         }
2338
2339         event = bt_ctf_event_create(event_class);
2340         if (!event) {
2341                 diag("Failed to create event");
2342                 ret = -1;
2343                 goto end;
2344         }
2345
2346         integer = bt_ctf_event_get_payload_by_index(event, 0);
2347         if (!integer) {
2348                 diag("Failed to get integer field payload from event");
2349                 ret = -1;
2350                 goto end;
2351         }
2352
2353         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2354         if (ret) {
2355                 diag("Failed to set integer field value");
2356                 goto end;
2357         }
2358
2359         stream = bt_ctf_writer_create_stream(writer, stream_class);
2360         if (!stream) {
2361                 diag("Failed to create writer stream");
2362                 ret = -1;
2363                 goto end;
2364         }
2365
2366         ok(bt_ctf_event_get_stream(NULL) == NULL,
2367                 "bt_ctf_event_get_stream handles NULL correctly");
2368         ok(bt_ctf_event_get_stream(event) == NULL,
2369                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2370
2371         ret = bt_ctf_stream_append_event(stream, event);
2372         if (ret) {
2373                 diag("Failed to append event to stream");
2374                 goto end;
2375         }
2376
2377         ret_stream = bt_ctf_event_get_stream(event);
2378         ok(ret_stream == stream,
2379                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2380 end:
2381         ok(ret == 0,
2382                 "Create an event before instanciating its associated stream");
2383         bt_put(stream);
2384         bt_put(ret_stream);
2385         bt_put(stream_class);
2386         bt_put(event_class);
2387         bt_put(event);
2388         bt_put(integer_type);
2389         bt_put(integer);
2390 }
2391
2392 static
2393 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2394 {
2395         struct bt_ctf_event_class *event_class;
2396
2397         event_class = bt_ctf_event_class_create("Simple Event");
2398         assert(event_class);
2399         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2400                 "two event classes with the same name may cohabit within the same stream class");
2401         bt_put(event_class);
2402
2403         event_class = bt_ctf_event_class_create("different name, ok");
2404         assert(event_class);
2405         assert(!bt_ctf_event_class_set_id(event_class, 13));
2406         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2407                 "two event classes with the same ID cannot cohabit within the same stream class");
2408         bt_put(event_class);
2409 }
2410
2411 static
2412 struct bt_ctf_event_class *create_minimal_event_class(void)
2413 {
2414         struct bt_ctf_event_class *ec = NULL;
2415         struct bt_ctf_field_type *int_ft = NULL;
2416         int ret;
2417
2418         int_ft = bt_ctf_field_type_integer_create(23);
2419         assert(int_ft);
2420         ec = bt_ctf_event_class_create("minimal");
2421         assert(ec);
2422         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2423         assert(!ret);
2424         BT_PUT(int_ft);
2425
2426         return ec;
2427 }
2428
2429 static
2430 void test_create_writer_vs_non_writer_mode(void)
2431 {
2432         int ret;
2433         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2434         const char *writer_stream_name = "writer stream instance";
2435         struct bt_ctf_writer *writer = NULL;
2436         struct bt_ctf_trace *writer_trace = NULL;
2437         struct bt_ctf_stream_class *writer_sc = NULL;
2438         struct bt_ctf_stream *writer_stream = NULL;
2439         struct bt_ctf_stream *writer_stream2 = NULL;
2440         struct bt_ctf_stream *packet_stream = NULL;
2441         struct bt_ctf_trace *non_writer_trace = NULL;
2442         struct bt_ctf_stream_class *non_writer_sc = NULL;
2443         struct bt_ctf_stream *non_writer_stream = NULL;
2444         struct bt_ctf_stream *non_writer_stream2 = NULL;
2445         struct bt_ctf_event_class *writer_ec = NULL;
2446         struct bt_ctf_event_class *non_writer_ec = NULL;
2447         struct bt_ctf_event *event = NULL;
2448         struct bt_ctf_event *event2 = NULL;
2449         struct bt_ctf_field_type *empty_struct_ft = NULL;
2450         struct bt_ctf_field *int_field = NULL;
2451         struct bt_ctf_clock *writer_clock = NULL;
2452         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2453         struct bt_ctf_packet *packet = NULL;
2454         struct bt_ctf_packet *packet2 = NULL;
2455
2456         if (!bt_mkdtemp(trace_path)) {
2457                 perror("# perror");
2458         }
2459
2460         /* Create empty structure field type (event header) */
2461         empty_struct_ft = bt_ctf_field_type_structure_create();
2462         assert(empty_struct_ft);
2463
2464         /* Create writer, writer stream class, stream, and clock */
2465         writer = bt_ctf_writer_create(trace_path);
2466         assert(writer);
2467         writer_clock = bt_ctf_clock_create("writer_clock");
2468         assert(writer_clock);
2469         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2470         assert(!ret);
2471         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2472         assert(!ret);
2473         writer_trace = bt_ctf_writer_get_trace(writer);
2474         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2475         writer_sc = bt_ctf_stream_class_create("writer_sc");
2476         assert(writer_sc);
2477         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2478                 empty_struct_ft);
2479         assert(!ret);
2480         ret = bt_ctf_stream_class_set_clock(writer_sc, writer_clock);
2481         assert(!ret);
2482         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2483         assert(!ret);
2484         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2485         assert(writer_stream);
2486         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2487                 "bt_ctf_stream_get_name() returns the stream's name");
2488
2489         /* Create non-writer trace, stream class, stream, and clock */
2490         non_writer_trace = bt_ctf_trace_create();
2491         assert(non_writer_trace);
2492         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2493         assert(non_writer_sc);
2494         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2495                 empty_struct_ft);
2496         assert(!ret);
2497         ret = bt_ctf_stream_class_set_packet_context_type(non_writer_sc, NULL);
2498         assert(!ret);
2499         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2500         assert(!ret);
2501         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2502         assert(non_writer_stream);
2503         non_writer_clock_class =
2504                 bt_ctf_clock_class_create("non_writer_clock_class");
2505         assert(non_writer_clock_class);
2506         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2507                 non_writer_clock_class);
2508         assert(!ret);
2509
2510         /* Create event class and event */
2511         writer_ec = create_minimal_event_class();
2512         assert(writer_ec);
2513         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2514         assert(!ret);
2515         event = bt_ctf_event_create(writer_ec);
2516         assert(event);
2517         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2518         assert(int_field);
2519         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2520
2521         /*
2522          * Verify non-writer stream: it should be impossible to append
2523          * an event to it.
2524          */
2525         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2526                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2527
2528         /*
2529          * Verify writer stream: it should be possible to append an
2530          * event to it.
2531          */
2532         ok(!bt_ctf_stream_append_event(writer_stream, event),
2533                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2534
2535         /*
2536          * It should be possible to create a packet from a non-writer
2537          * stream, but not from a writer stream.
2538          */
2539         packet = bt_ctf_packet_create(writer_stream);
2540         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2541         packet = bt_ctf_packet_create(non_writer_stream);
2542         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2543         packet_stream = bt_ctf_packet_get_stream(packet);
2544         ok(packet_stream == non_writer_stream,
2545                 "bt_ctf_packet_get_stream() returns the correct stream");
2546
2547         /*
2548          * It should not be possible to append an event associated to
2549          * a stream to a different stream.
2550          */
2551         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2552         assert(writer_stream2);
2553         ok(bt_ctf_stream_append_event(writer_stream2, event),
2554                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2555
2556         /*
2557          * It should not be possible to set the packet of an event
2558          * associated to a given stream to a packet associated with
2559          * a different stream.
2560          */
2561         ok(bt_ctf_event_set_packet(event, packet),
2562                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2563
2564         /*
2565          * It should be possible to set the packet of a fresh event, as
2566          * long as the originating stream classes are the same.
2567          */
2568         event2 = bt_ctf_event_create(writer_ec);
2569         assert(event2);
2570         ok(bt_ctf_event_set_packet(event2, packet),
2571                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2572         non_writer_ec = create_minimal_event_class();
2573         assert(non_writer_ec);
2574         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2575         assert(!ret);
2576         BT_PUT(event2);
2577         event2 = bt_ctf_event_create(non_writer_ec);
2578         assert(event2);
2579         ok(!bt_ctf_event_set_packet(event2, packet),
2580                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2581
2582         /*
2583          * It should be possible to set a packet created from the same
2584          * stream to an event with an existing packet.
2585          */
2586         packet2 = bt_ctf_packet_create(non_writer_stream);
2587         assert(packet2);
2588         ok(!bt_ctf_event_set_packet(event2, packet2),
2589                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2590         BT_PUT(packet2);
2591
2592         /*
2593          * It should not be possible to set a packet created from a
2594          * different stream to an event with an existing packet.
2595          */
2596         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2597         assert(non_writer_stream2);
2598         packet2 = bt_ctf_packet_create(non_writer_stream);
2599         assert(packet2);
2600         ok(!bt_ctf_event_set_packet(event2, packet2),
2601                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2602
2603         bt_put(writer);
2604         bt_put(writer_trace);
2605         bt_put(writer_sc);
2606         bt_put(writer_stream);
2607         bt_put(writer_stream2);
2608         bt_put(non_writer_trace);
2609         bt_put(non_writer_sc);
2610         bt_put(non_writer_stream);
2611         bt_put(non_writer_stream2);
2612         bt_put(packet_stream);
2613         bt_put(writer_ec);
2614         bt_put(non_writer_ec);
2615         bt_put(event);
2616         bt_put(event2);
2617         bt_put(int_field);
2618         bt_put(empty_struct_ft);
2619         bt_put(writer_clock);
2620         bt_put(non_writer_clock_class);
2621         bt_put(packet);
2622         bt_put(packet2);
2623         recursive_rmdir(trace_path);
2624 }
2625
2626 static
2627 void test_clock_utils(void)
2628 {
2629         int ret;
2630         struct bt_ctf_clock *clock = NULL;
2631
2632         clock = bt_ctf_clock_create("water");
2633         assert(clock);
2634         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2635         assert(!ret);
2636         ret = bt_ctf_clock_set_offset(clock, 1000);
2637         assert(!ret);
2638         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2639         assert(!ret);
2640         ret = bt_ctf_clock_set_frequency(clock, 1534);
2641         assert(!ret);
2642
2643         BT_PUT(clock);
2644 }
2645
2646 void test_set_clock_non_writer_stream_class(void)
2647 {
2648         struct bt_ctf_clock *clock;
2649         struct bt_ctf_trace *trace;
2650         struct bt_ctf_stream_class *sc;
2651         int ret;
2652
2653         clock = bt_ctf_clock_create("the_clock");
2654         assert(clock);
2655
2656         trace = bt_ctf_trace_create();
2657         assert(trace);
2658
2659         sc = bt_ctf_stream_class_create(NULL);
2660         assert(sc);
2661
2662         ret = bt_ctf_stream_class_set_clock(sc, clock);
2663         assert(ret == 0);
2664
2665         ret = bt_ctf_trace_add_stream_class(trace, sc);
2666         ok(ret < 0,
2667                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2668
2669         bt_put(clock);
2670         bt_put(trace);
2671         bt_put(sc);
2672 }
2673
2674 static
2675 void test_static_trace(void)
2676 {
2677         struct bt_ctf_trace *trace;
2678         struct bt_ctf_stream_class *stream_class;
2679         struct bt_ctf_stream_class *stream_class2;
2680         struct bt_ctf_stream *stream;
2681         struct bt_ctf_clock_class *clock_class;
2682         int ret;
2683
2684         trace = bt_ctf_trace_create();
2685         assert(trace);
2686         stream_class = bt_ctf_stream_class_create(NULL);
2687         assert(stream_class);
2688         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2689         assert(ret == 0);
2690         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2691         assert(ret == 0);
2692         stream = bt_ctf_stream_create(stream_class, "hello");
2693         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2694         bt_put(stream);
2695         ok(!bt_ctf_trace_is_static(trace),
2696                 "bt_ctf_trace_is_static() returns the expected value");
2697         ok(bt_ctf_trace_set_is_static(trace) == 0,
2698                 "bt_ctf_trace_set_is_static() succeeds");
2699         ok(bt_ctf_trace_is_static(trace),
2700                 "bt_ctf_trace_is_static() returns the expected value");
2701         clock_class = bt_ctf_clock_class_create("yes");
2702         assert(clock_class);
2703         stream_class2 = bt_ctf_stream_class_create(NULL);
2704         assert(stream_class2);
2705         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2706                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2707         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2708                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2709         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2710                 "bt_ctf_stream_create() fails with a static trace");
2711
2712         bt_put(trace);
2713         bt_put(stream_class);
2714         bt_put(stream_class2);
2715         bt_put(clock_class);
2716 }
2717
2718 static
2719 void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
2720 {
2721         *((int *) data) = 1;
2722 }
2723
2724 static
2725 void test_trace_is_static_listener(void)
2726 {
2727         struct bt_ctf_trace *trace;
2728         int ret;
2729         int called1 = 0;
2730         int called2 = 0;
2731         int called3 = 0;
2732         int called4 = 0;
2733         int listener1_id;
2734         int listener2_id;
2735         int listener3_id;
2736         int listener4_id;
2737
2738         trace = bt_ctf_trace_create();
2739         assert(trace);
2740         ret = bt_ctf_trace_add_is_static_listener(NULL,
2741                 trace_is_static_listener, &called1);
2742         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (trace)");
2743         ret = bt_ctf_trace_add_is_static_listener(trace, NULL, &called1);
2744         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (listener)");
2745         listener1_id = bt_ctf_trace_add_is_static_listener(trace,
2746                 trace_is_static_listener, &called1);
2747         ok(listener1_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (1)");
2748         listener2_id = bt_ctf_trace_add_is_static_listener(trace,
2749                 trace_is_static_listener, &called2);
2750         ok(listener2_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (2)");
2751         listener3_id = bt_ctf_trace_add_is_static_listener(trace,
2752                 trace_is_static_listener, &called3);
2753         ok(listener3_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (3)");
2754         ret = bt_ctf_trace_remove_is_static_listener(NULL, 0);
2755         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles NULL (trace)");
2756         ret = bt_ctf_trace_remove_is_static_listener(trace, -2);
2757         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (negative)");
2758         ret = bt_ctf_trace_remove_is_static_listener(trace, 77);
2759         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (non existing)");
2760         ret = bt_ctf_trace_remove_is_static_listener(trace, listener2_id);
2761         ok(ret == 0, "bt_ctf_trace_remove_is_static_listener() succeeds");
2762         listener4_id = bt_ctf_trace_add_is_static_listener(trace,
2763                 trace_is_static_listener, &called4);
2764         ok(listener4_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (4)");
2765         ok(called1 == 0, "\"trace is static\" listener not called before the trace is made static (1)");
2766         ok(called2 == 0, "\"trace is static\" listener not called before the trace is made static (2)");
2767         ok(called3 == 0, "\"trace is static\" listener not called before the trace is made static (3)");
2768         ok(called4 == 0, "\"trace is static\" listener not called before the trace is made static (4)");
2769         ret = bt_ctf_trace_set_is_static(trace);
2770         assert(ret == 0);
2771         ret = bt_ctf_trace_add_is_static_listener(trace,
2772                 trace_is_static_listener, &called1);
2773         ok(ret < 0,
2774                 "bt_ctf_trace_add_is_static_listener() fails when the trace is static");
2775         ok(called1 == 1, "\"trace is static\" listener called when the trace is made static (1)");
2776         ok(called2 == 0, "\"trace is static\" listener not called when the trace is made static (2)");
2777         ok(called3 == 1, "\"trace is static\" listener called when the trace is made static (3)");
2778         ok(called4 == 1, "\"trace is static\" listener called when the trace is made static (4)");
2779         called1 = 0;
2780         called2 = 0;
2781         called3 = 0;
2782         called4 = 0;
2783         bt_put(trace);
2784         ok(called1 == 0, "\"trace is static\" listener not called after the trace is put (1)");
2785         ok(called2 == 0, "\"trace is static\" listener not called after the trace is put (2)");
2786         ok(called3 == 0, "\"trace is static\" listener not called after the trace is put (3)");
2787         ok(called4 == 0, "\"trace is static\" listener not called after the trace is put (4)");
2788 }
2789
2790 static
2791 void test_trace_uuid(void)
2792 {
2793         struct bt_ctf_trace *trace;
2794         const unsigned char uuid[] = {
2795                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2796                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2797         };
2798         const unsigned char *ret_uuid;
2799
2800         trace = bt_ctf_trace_create();
2801         assert(trace);
2802         ok(!bt_ctf_trace_get_uuid(NULL),
2803                 "bt_ctf_trace_get_uuid() handles NULL");
2804         ok(!bt_ctf_trace_get_uuid(trace),
2805                 "bt_ctf_trace_get_uuid() returns NULL initially");
2806         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2807                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2808         ok(bt_ctf_trace_set_uuid(trace, NULL),
2809                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2810         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2811                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2812         ret_uuid = bt_ctf_trace_get_uuid(trace);
2813         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2814         assert(ret_uuid);
2815         ok(memcmp(uuid, ret_uuid, 16) == 0,
2816                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2817
2818         bt_put(trace);
2819 }
2820
2821 int main(int argc, char **argv)
2822 {
2823         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2824         char metadata_path[sizeof(trace_path) + 9];
2825         const char *clock_name = "test_clock";
2826         const char *clock_description = "This is a test clock";
2827         const char *returned_clock_name;
2828         const char *returned_clock_description;
2829         const uint64_t frequency = 1123456789;
2830         const int64_t offset_s = 1351530929945824323;
2831         const int64_t offset = 1234567;
2832         int64_t get_offset_s,
2833                 get_offset;
2834         const uint64_t precision = 10;
2835         const int is_absolute = 0xFF;
2836         char *metadata_string;
2837         struct bt_ctf_writer *writer;
2838         struct utsname name;
2839         char hostname[BABELTRACE_HOST_NAME_MAX];
2840         struct bt_ctf_clock *clock, *ret_clock;
2841         struct bt_ctf_clock_class *ret_clock_class;
2842         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2843         struct bt_ctf_stream *stream1;
2844         struct bt_ctf_stream *stream;
2845         const char *ret_string;
2846         const unsigned char *ret_uuid;
2847         unsigned char tmp_uuid[16] = { 0 };
2848         struct bt_ctf_field_type *packet_context_type,
2849                 *packet_context_field_type,
2850                 *packet_header_type,
2851                 *packet_header_field_type,
2852                 *integer_type,
2853                 *stream_event_context_type,
2854                 *ret_field_type,
2855                 *event_header_field_type;
2856         struct bt_ctf_field *packet_header, *packet_header_field;
2857         struct bt_ctf_trace *trace;
2858         int ret;
2859         int64_t ret_int64_t;
2860         struct bt_value *obj;
2861
2862         if (argc < 2) {
2863                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2864                 return -1;
2865         }
2866
2867         plan_tests(NR_TESTS);
2868
2869         if (!bt_mkdtemp(trace_path)) {
2870                 perror("# perror");
2871         }
2872
2873         strcpy(metadata_path, trace_path);
2874         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2875
2876         writer = bt_ctf_writer_create(trace_path);
2877         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2878
2879         ok(!bt_ctf_writer_get_trace(NULL),
2880                 "bt_ctf_writer_get_trace correctly handles NULL");
2881         trace = bt_ctf_writer_get_trace(writer);
2882         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE),
2883                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_NATIVE");
2884         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_UNSPECIFIED),
2885                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_UNSPECIFIED");
2886         ok(trace,
2887                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2888         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2889                 "Set a trace's byte order to big endian");
2890         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2891                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2892
2893         /* Add environment context to the trace */
2894         ret = gethostname(hostname, sizeof(hostname));
2895         if (ret < 0) {
2896                 return ret;
2897         }
2898         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2899                 "Add host (%s) environment field to writer instance",
2900                 hostname);
2901         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2902                 "test_value"),
2903                 "bt_ctf_writer_add_environment_field error with NULL writer");
2904         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2905                 "test_value"),
2906                 "bt_ctf_writer_add_environment_field error with NULL field name");
2907         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2908                 NULL),
2909                 "bt_ctf_writer_add_environment_field error with NULL field value");
2910
2911         /* Test bt_ctf_trace_set_environment_field with an integer object */
2912         obj = bt_value_integer_create_init(23);
2913         assert(obj);
2914         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2915                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2916         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2917                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2918         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2919                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2920         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2921                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2922         BT_PUT(obj);
2923
2924         /* Test bt_ctf_trace_set_environment_field with a string object */
2925         obj = bt_value_string_create_init("the value");
2926         assert(obj);
2927         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2928                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2929         BT_PUT(obj);
2930
2931         /* Test bt_ctf_trace_set_environment_field_integer */
2932         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2933                 -194875),
2934                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2935         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2936                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2937         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2938                 -164973),
2939                 "bt_ctf_trace_set_environment_field_integer succeeds");
2940
2941         /* Test bt_ctf_trace_set_environment_field_string */
2942         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2943                 "yeah"),
2944                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2945         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2946                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2947         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2948                 NULL),
2949                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2950         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2951                 "oh yeah"),
2952                 "bt_ctf_trace_set_environment_field_string succeeds");
2953
2954         /* Test bt_ctf_trace_get_environment_field_count */
2955         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2956                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2957         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2958                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2959
2960         /* Test bt_ctf_trace_get_environment_field_name */
2961         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2962                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2963         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2964                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2965         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2966         ok(ret_string && !strcmp(ret_string, "host"),
2967                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2968         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2969         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2970                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2971         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2972         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2973                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2974         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
2975         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2976                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2977         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
2978         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2979                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2980
2981         /* Test bt_ctf_trace_get_environment_field_value */
2982         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
2983                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2984         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
2985                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2986         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
2987         ret = bt_value_integer_get(obj, &ret_int64_t);
2988         ok(!ret && ret_int64_t == 23,
2989                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2990         BT_PUT(obj);
2991         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
2992         ret = bt_value_string_get(obj, &ret_string);
2993         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2994                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2995         BT_PUT(obj);
2996
2997         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2998         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2999                 "test_env_str"),
3000                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3001         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3002                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3003         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3004                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3005         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3006                 "test_env_str");
3007         ret = bt_value_string_get(obj, &ret_string);
3008         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3009                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3010         BT_PUT(obj);
3011
3012         /* Test environment field replacement */
3013         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3014                 654321),
3015                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3016         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3017                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3018         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3019         ret = bt_value_integer_get(obj, &ret_int64_t);
3020         ok(!ret && ret_int64_t == 654321,
3021                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3022         BT_PUT(obj);
3023
3024         /* On Solaris, uname() can return any positive value on success */
3025         if (uname(&name) < 0) {
3026                 perror("uname");
3027                 return -1;
3028         }
3029
3030         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3031                 == 0, "Add sysname (%s) environment field to writer instance",
3032                 name.sysname);
3033         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3034                 name.nodename) == 0,
3035                 "Add nodename (%s) environment field to writer instance",
3036                 name.nodename);
3037         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3038                 == 0, "Add release (%s) environment field to writer instance",
3039                 name.release);
3040         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3041                 == 0, "Add version (%s) environment field to writer instance",
3042                 name.version);
3043         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3044                 == 0, "Add machine (%s) environment field to writer istance",
3045                 name.machine);
3046
3047         /* Define a clock and add it to the trace */
3048         ok(bt_ctf_clock_create("signed") == NULL,
3049                 "Illegal clock name rejected");
3050         clock = bt_ctf_clock_create(clock_name);
3051         ok(clock, "Clock created sucessfully");
3052         returned_clock_name = bt_ctf_clock_get_name(clock);
3053         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3054         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3055                 "Returned clock name is valid");
3056
3057         returned_clock_description = bt_ctf_clock_get_description(clock);
3058         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3059         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3060                 "Clock description set successfully");
3061
3062         returned_clock_description = bt_ctf_clock_get_description(clock);
3063         ok(returned_clock_description,
3064                 "bt_ctf_clock_get_description returns a description.");
3065         ok(returned_clock_description ?
3066                 !strcmp(returned_clock_description, clock_description) : 0,
3067                 "Returned clock description is valid");
3068
3069         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3070                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3071         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3072                 "Set clock frequency");
3073         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3074                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3075
3076         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3077                 "bt_ctf_clock_get_offset_s succeeds");
3078         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3079                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3080         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3081                 "Set clock offset (seconds)");
3082         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3083                 "bt_ctf_clock_get_offset_s succeeds");
3084         ok(get_offset_s == offset_s,
3085                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3086
3087         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3088                 "bt_ctf_clock_get_offset succeeds");
3089         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3090                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3091         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3092         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3093                 "bt_ctf_clock_get_offset succeeds");
3094         ok(get_offset == offset,
3095                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3096
3097         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3098                 "bt_ctf_clock_get_precision returns the correct default precision");
3099         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3100                 "Set clock precision");
3101         ok(bt_ctf_clock_get_precision(clock) == precision,
3102                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3103
3104         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3105                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3106         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3107                 "Set clock absolute property");
3108         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3109                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3110
3111         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3112                 "Set clock time");
3113
3114         ok(!bt_ctf_clock_get_name(NULL),
3115                 "bt_ctf_clock_get_name correctly handles NULL");
3116         ok(!bt_ctf_clock_get_description(NULL),
3117                 "bt_ctf_clock_get_description correctly handles NULL");
3118         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3119                 "bt_ctf_clock_get_frequency correctly handles NULL");
3120         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3121                 "bt_ctf_clock_get_precision correctly handles NULL");
3122         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3123                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3124         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3125                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3126         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3127                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3128         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3129                 "bt_ctf_clock_get_offset correctly handles NULL output");
3130         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3131                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3132
3133         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3134                 "bt_ctf_clock_set_description correctly handles NULL clock");
3135         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3136                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3137         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3138                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3139         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3140                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3141         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3142                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3143         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3144                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3145         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3146                 "bt_ctf_clock_set_time correctly handles NULL clock");
3147         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3148                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3149         ret_uuid = bt_ctf_clock_get_uuid(clock);
3150         ok(ret_uuid,
3151                 "bt_ctf_clock_get_uuid returns a UUID");
3152         if (ret_uuid) {
3153                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3154                 /* Slightly modify UUID */
3155                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3156         }
3157
3158         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3159                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3160         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3161                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3162         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3163                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3164         ret_uuid = bt_ctf_clock_get_uuid(clock);
3165         ok(ret_uuid,
3166                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3167         ok(uuid_match(ret_uuid, tmp_uuid),
3168                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3169
3170         /* Define a stream class */
3171         stream_class = bt_ctf_stream_class_create("test_stream");
3172
3173         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3174                 "bt_ctf_stream_class_get_name handles NULL correctly");
3175         ret_string = bt_ctf_stream_class_get_name(stream_class);
3176         ok(ret_string && !strcmp(ret_string, "test_stream"),
3177                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3178
3179         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3180                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3181         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3182                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3183
3184         ok(stream_class, "Create stream class");
3185         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3186                 "Set a stream class' clock");
3187         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3188         ok(ret_clock == clock,
3189                 "bt_ctf_stream_class_get_clock returns a correct clock");
3190         bt_put(ret_clock);
3191
3192         /* Test the event fields and event types APIs */
3193         type_field_tests();
3194
3195         /* Test fields copying */
3196         field_copy_tests();
3197
3198         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3199                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3200         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3201                 "bt_ctf_stream_class_get_id handles NULL correctly");
3202         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3203                 "bt_ctf_stream_class_set_id handles NULL correctly");
3204         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3205                 "Set an stream class' id");
3206         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3207                 "bt_ctf_stream_class_get_id returns the correct value");
3208
3209         /* Validate default event header fields */
3210         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3211                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3212         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3213                 stream_class);
3214         ok(ret_field_type,
3215                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3216         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3217                 "Default event header type is a structure");
3218         event_header_field_type =
3219                 bt_ctf_field_type_structure_get_field_type_by_name(
3220                 ret_field_type, "id");
3221         ok(event_header_field_type,
3222                 "Default event header type contains an \"id\" field");
3223         ok(bt_ctf_field_type_get_type_id(
3224                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3225                 "Default event header \"id\" field is an integer");
3226         bt_put(event_header_field_type);
3227         event_header_field_type =
3228                 bt_ctf_field_type_structure_get_field_type_by_name(
3229                 ret_field_type, "timestamp");
3230         ok(event_header_field_type,
3231                 "Default event header type contains a \"timestamp\" field");
3232         ok(bt_ctf_field_type_get_type_id(
3233                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3234                 "Default event header \"timestamp\" field is an integer");
3235         bt_put(event_header_field_type);
3236         bt_put(ret_field_type);
3237
3238         /* Add a custom trace packet header field */
3239         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3240                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3241         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3242         ok(packet_header_type,
3243                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3244         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3245                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3246         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3247                 packet_header_type, "magic");
3248         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3249         bt_put(ret_field_type);
3250         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3251                 packet_header_type, "uuid");
3252         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3253         bt_put(ret_field_type);
3254         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3255                 packet_header_type, "stream_id");
3256         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3257         bt_put(ret_field_type);
3258
3259         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3260         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3261                 packet_header_field_type, "custom_trace_packet_header_field"),
3262                 "Added a custom trace packet header field successfully");
3263
3264         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3265                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3266         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3267                 "Set a trace packet_header_type successfully");
3268
3269         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3270                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3271
3272         /* Add a custom field to the stream class' packet context */
3273         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3274         ok(packet_context_type,
3275                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3276         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3277                 "Packet context is a structure");
3278
3279         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3280                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3281
3282         integer_type = bt_ctf_field_type_integer_create(32);
3283         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3284                 integer_type) < 0,
3285                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3286         /* Create a "uint5_t" equivalent custom packet context field */
3287         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3288
3289         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3290                 packet_context_field_type, "custom_packet_context_field");
3291         ok(ret == 0, "Packet context field added successfully");
3292
3293         /* Define a stream event context containing a my_integer field. */
3294         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3295                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3296         stream_event_context_type = bt_ctf_field_type_structure_create();
3297         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3298                 integer_type, "common_event_context");
3299
3300         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3301                 stream_event_context_type) < 0,
3302                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3303         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3304                 integer_type) < 0,
3305                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3306
3307         ok(bt_ctf_stream_class_set_event_context_type(
3308                 stream_class, stream_event_context_type) == 0,
3309                 "Set a new stream event context type");
3310         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3311                 stream_class);
3312         ok(ret_field_type == stream_event_context_type,
3313                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3314         bt_put(ret_field_type);
3315
3316         /* Instantiate a stream and append events */
3317         ret = bt_ctf_writer_add_clock(writer, clock);
3318         assert(ret == 0);
3319         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3320                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3321         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3322         ok(stream1, "Instanciate a stream class from writer");
3323         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3324                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3325         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3326         ok(stream == stream1,
3327                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3328         BT_PUT(stream);
3329
3330         /*
3331          * Creating a stream through a writer adds the given stream
3332          * class to the writer's trace, thus registering the stream
3333          * class's clock to the trace.
3334          */
3335         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3336                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3337         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3338                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3339         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3340                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3341         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3342                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3343         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3344         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3345                 bt_ctf_clock_get_name(clock)) == 0,
3346                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3347         bt_put(ret_clock_class);
3348         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3349                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3350         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3351                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3352         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3353                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3354         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3355         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3356                 bt_ctf_clock_get_name(clock)) == 0,
3357                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3358         bt_put(ret_clock_class);
3359         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3360                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3361
3362         ok(bt_ctf_stream_get_class(NULL) == NULL,
3363                 "bt_ctf_stream_get_class correctly handles NULL");
3364         ret_stream_class = bt_ctf_stream_get_class(stream1);
3365         ok(ret_stream_class,
3366                 "bt_ctf_stream_get_class returns a stream class");
3367         ok(ret_stream_class == stream_class,
3368                 "Returned stream class is of the correct type");
3369
3370         /*
3371          * Packet header, packet context, event header, and stream
3372          * event context types were copied for the resolving
3373          * process
3374          */
3375         BT_PUT(packet_header_type);
3376         BT_PUT(packet_context_type);
3377         BT_PUT(stream_event_context_type);
3378         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3379         assert(packet_header_type);
3380         packet_context_type =
3381                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3382         assert(packet_context_type);
3383         stream_event_context_type =
3384                 bt_ctf_stream_class_get_event_context_type(stream_class);
3385         assert(stream_event_context_type);
3386
3387         /*
3388          * Try to modify the packet context type after a stream has been
3389          * created.
3390          */
3391         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3392                 packet_header_field_type, "should_fail");
3393         ok(ret < 0,
3394                 "Trace packet header type can't be modified once a stream has been instanciated");
3395
3396         /*
3397          * Try to modify the packet context type after a stream has been
3398          * created.
3399          */
3400         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3401                 packet_context_field_type, "should_fail");
3402         ok(ret < 0,
3403                 "Packet context type can't be modified once a stream has been instanciated");
3404
3405         /*
3406          * Try to modify the stream event context type after a stream has been
3407          * created.
3408          */
3409         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3410                 integer_type, "should_fail");
3411         ok(ret < 0,
3412                 "Stream event context type can't be modified once a stream has been instanciated");
3413
3414         /* Should fail after instanciating a stream (frozen) */
3415         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3416                 "Changes to a stream class that was already instantiated fail");
3417
3418         /* Populate the custom packet header field only once for all tests */
3419         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3420                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3421         packet_header = bt_ctf_stream_get_packet_header(stream1);
3422         ok(packet_header,
3423                 "bt_ctf_stream_get_packet_header returns a packet header");
3424         ret_field_type = bt_ctf_field_get_type(packet_header);
3425         ok(ret_field_type == packet_header_type,
3426                 "Stream returns a packet header of the appropriate type");
3427         bt_put(ret_field_type);
3428         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3429                 "custom_trace_packet_header_field");
3430         ok(packet_header_field,
3431                 "Packet header structure contains a custom field with the appropriate name");
3432         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3433         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3434                 "Custom packet header field is of the expected type");
3435         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3436                 54321), "Set custom packet header value successfully");
3437         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3438                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3439         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3440                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3441         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3442                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3443         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3444                 "Successfully set a stream's packet header");
3445
3446         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3447                 "Add environment field to writer after stream creation");
3448
3449         test_clock_utils();
3450
3451         test_create_writer_vs_non_writer_mode();
3452
3453         test_set_clock_non_writer_stream_class();
3454
3455         test_instanciate_event_before_stream(writer, clock);
3456
3457         append_simple_event(stream_class, stream1, clock);
3458
3459         packet_resize_test(stream_class, stream1, clock);
3460
3461         append_complex_event(stream_class, stream1, clock);
3462
3463         append_existing_event_class(stream_class);
3464
3465         test_empty_stream(writer);
3466
3467         test_custom_event_header_stream(writer, clock);
3468
3469         test_static_trace();
3470
3471         test_trace_is_static_listener();
3472
3473         test_trace_uuid();
3474
3475         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3476         ok(metadata_string, "Get metadata string");
3477
3478         bt_ctf_writer_flush_metadata(writer);
3479
3480         bt_put(clock);
3481         bt_put(ret_stream_class);
3482         bt_put(writer);
3483         bt_put(stream1);
3484         bt_put(packet_context_type);
3485         bt_put(packet_context_field_type);
3486         bt_put(integer_type);
3487         bt_put(stream_event_context_type);
3488         bt_put(ret_field_type);
3489         bt_put(packet_header_type);
3490         bt_put(packet_header_field_type);
3491         bt_put(packet_header);
3492         bt_put(packet_header_field);
3493         bt_put(trace);
3494         free(metadata_string);
3495         bt_put(stream_class);
3496
3497         validate_trace(argv[1], trace_path);
3498
3499         //recursive_rmdir(trace_path);
3500         return 0;
3501 }