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 <sys/utsname.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 <babeltrace/compat/dirent-internal.h>
  46 #include "tap/tap.h"
  47 #include <math.h>
  48 #include <float.h>
  49 #include "common.h"
  50
  51 #define METADATA_LINE_SIZE 512
  52 #define SEQUENCE_TEST_LENGTH 10
  53 #define ARRAY_TEST_LENGTH 5
  54 #define PACKET_RESIZE_TEST_LENGTH 100000
  55
  56 #define DEFAULT_CLOCK_FREQ 1000000000
  57 #define DEFAULT_CLOCK_PRECISION 1
  58 #define DEFAULT_CLOCK_OFFSET 0
  59 #define DEFAULT_CLOCK_OFFSET_S 0
  60 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  61 #define DEFAULT_CLOCK_TIME 0
  62 #define DEFAULT_CLOCK_VALUE 0
  63
  64 #define NR_TESTS 611
  65
  66 static int64_t current_time = 42;
  67
  68 /* Return 1 if uuids match, zero if different. */
  69 static
  70 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  71 {
  72         int ret = 0;
  73         int i;
  74
  75         if (!uuid_a || !uuid_b) {
  76                 goto end;
  77         }
  78
  79         for (i = 0; i < 16; i++) {
  80                 if (uuid_a[i] != uuid_b[i]) {
  81                         goto end;
  82                 }
  83         }
  84
  85         ret = 1;
  86 end:
  87         return ret;
  88 }
  89
  90 static
  91 void validate_trace(char *parser_path, char *trace_path)
  92 {
  93         int ret = 0;
  94         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
  95         int babeltrace_output_fd = -1;
  96
  97         if (!trace_path) {
  98                 ret = -1;
  99                 goto result;
 100         }
 101
 102         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 103         unlink(babeltrace_output_path);
 104
 105         if (babeltrace_output_fd == -1) {
 106                 diag("Failed to create a temporary file for trace parsing.");
 107                 ret = -1;
 108                 goto result;
 109         }
 110
 111         pid_t pid = fork();
 112         if (pid) {
 113                 int status = 0;
 114                 waitpid(pid, &status, 0);
 115                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 116         } else {
 117                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 118                 if (ret < 0) {
 119                         perror("# dup2 babeltrace_output_fd to STDOUT");
 120                         goto result;
 121                 }
 122
 123                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 124                 if (ret < 0) {
 125                         perror("# dup2 babeltrace_output_fd to STDERR");
 126                         goto result;
 127                 }
 128
 129                 execl(parser_path, "babeltrace", trace_path, NULL);
 130                 perror("# Could not launch the babeltrace process");
 131                 exit(-1);
 132         }
 133 result:
 134         ok(ret == 0, "Babeltrace could read the resulting trace");
 135
 136         if (ret && babeltrace_output_fd >= 0) {
 137                 char *line;
 138                 size_t len = METADATA_LINE_SIZE;
 139                 FILE *babeltrace_output_fp = NULL;
 140
 141                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 142                 if (!babeltrace_output_fp) {
 143                         perror("fdopen on babeltrace_output_fd");
 144                         goto close_fp;
 145                 }
 146                 babeltrace_output_fd = -1;
 147
 148                 line = malloc(len);
 149                 if (!line) {
 150                         diag("malloc error");
 151                 }
 152                 rewind(babeltrace_output_fp);
 153                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 154                         diag("%s", line);
 155                 }
 156
 157                 free(line);
 158 close_fp:
 159                 if (babeltrace_output_fp) {
 160                         if (fclose(babeltrace_output_fp)) {
 161                                 diag("fclose error");
 162                         }
 163                 }
 164         }
 165
 166         if (babeltrace_output_fd >= 0) {
 167                 if (close(babeltrace_output_fd)) {
 168                         diag("close error");
 169                 }
 170         }
 171 }
 172
 173 static
 174 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 175                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 176 {
 177         /* Create and add a simple event class */
 178         struct bt_ctf_event_class *simple_event_class =
 179                 bt_ctf_event_class_create("Simple Event");
 180         struct bt_ctf_field_type *uint_12_type =
 181                 bt_ctf_field_type_integer_create(12);
 182         struct bt_ctf_field_type *int_64_type =
 183                 bt_ctf_field_type_integer_create(64);
 184         struct bt_ctf_field_type *float_type =
 185                 bt_ctf_field_type_floating_point_create();
 186         struct bt_ctf_field_type *enum_type;
 187         struct bt_ctf_field_type *enum_type_unsigned =
 188                 bt_ctf_field_type_enumeration_create(uint_12_type);
 189         struct bt_ctf_field_type *event_context_type =
 190                 bt_ctf_field_type_structure_create();
 191         struct bt_ctf_field_type *event_payload_type = NULL;
 192         struct bt_ctf_field_type *returned_type;
 193         struct bt_ctf_event *simple_event;
 194         struct bt_ctf_field *integer_field;
 195         struct bt_ctf_field *float_field;
 196         struct bt_ctf_field *enum_field;
 197         struct bt_ctf_field *enum_field_unsigned;
 198         struct bt_ctf_field *enum_container_field;
 199         const char *mapping_name_test = "truie";
 200         const double double_test_value = 3.1415;
 201         struct bt_ctf_field *enum_container_field_unsigned;
 202         const char *mapping_name_negative_test = "negative_value";
 203         const char *ret_char;
 204         double ret_double;
 205         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 206         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 207         struct bt_ctf_event_class *ret_event_class;
 208         struct bt_ctf_field *packet_context;
 209         struct bt_ctf_field *packet_context_field;
 210         struct bt_ctf_field *stream_event_context;
 211         struct bt_ctf_field *stream_event_context_field;
 212         struct bt_ctf_field *event_context;
 213         struct bt_ctf_field *event_context_field;
 214         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 215         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 216         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 217         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 218         int ret;
 219
 220         ok(uint_12_type, "Create an unsigned integer type");
 221
 222         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 223                 "Set signed 64 bit integer signedness to true");
 224         ok(int_64_type, "Create a signed integer type");
 225         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 226
 227         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 228         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 229         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 230         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 231                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 232         bt_put(returned_type);
 233
 234         bt_ctf_field_type_set_alignment(float_type, 32);
 235         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 236                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 237         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 238                 "bt_ctf_field_type_get_alignment returns a correct value");
 239
 240         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 241                 "Set a floating point type's exponent digit count");
 242         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 243                 "Set a floating point type's mantissa digit count");
 244
 245         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 246                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 247         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 248                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 249         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 250                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 251         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 252                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 253
 254         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 255                 mapping_name_negative_test, -12345, 0) == 0,
 256                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 257         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 258                 "escaping; \"test\"", 1, 1) == 0,
 259                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 260         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 261                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 262                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 263         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 264                 "event clock int float", 5, 22) == 0,
 265                 "Accept enumeration mapping strings containing reserved keywords");
 266         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 267                 42, 42);
 268         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 269                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 270         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 271                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 272         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 273                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 274         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 275
 276         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 277         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 278
 279         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 280         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 281
 282         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 283         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 284         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 285                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 286         BT_PUT(iter);
 287
 288         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 289                 "enum_field") == 0, "Add signed enumeration field to event");
 290
 291         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 292                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 293                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 294         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 295                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 296                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 297         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 298                 NULL, &ret_range_end_int64_t) == 0,
 299                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 300         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 301                 &ret_range_start_int64_t, NULL) == 0,
 302                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 303         /* Assumes entries are sorted by range_start values. */
 304         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 305                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 306                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 307         ok(!strcmp(ret_char, mapping_name_test),
 308                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 309         ok(ret_range_start_int64_t == 42,
 310                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 311         ok(ret_range_end_int64_t == 42,
 312                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 313
 314         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 315                 "escaping; \"test\"", 0, 0) == 0,
 316                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 317         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 318                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 319                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 320         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 321                 "event clock int float", 5, 22) == 0,
 322                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 323         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 324                 42, 42);
 325         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 326                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 327         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 328                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 329         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 330                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 331         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 332                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 333
 334         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 335                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 336         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 337                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 338
 339         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 340                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 341                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 342         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 343                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 344                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 345         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 346                 NULL, &ret_range_end_uint64_t) == 0,
 347                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 348         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 349                 &ret_range_start_uint64_t, NULL) == 0,
 350                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 351         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 352                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 353                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 354         ok(!strcmp(ret_char, mapping_name_test),
 355                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 356         ok(ret_range_start_uint64_t == 42,
 357                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 358         ok(ret_range_end_uint64_t == 42,
 359                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 360
 361         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 362                 "integer_field");
 363         bt_ctf_event_class_add_field(simple_event_class, float_type,
 364                 "float_field");
 365
 366         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 367
 368         /* Set an event context type which will contain a single integer. */
 369         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 370                 "event_specific_context"),
 371                 "Add event specific context field");
 372         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 373                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 374         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 375                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 376
 377         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 378                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 379         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 380                 "Set an event class' context type successfully");
 381         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 382         ok(returned_type == event_context_type,
 383                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 384         bt_put(returned_type);
 385
 386         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 387                 "Adding simple event class to stream class");
 388
 389         /*
 390          * bt_ctf_stream_class_add_event_class() copies the field types
 391          * of simple_event_class, so we retrieve the new ones to create
 392          * the appropriate fields.
 393          */
 394         BT_PUT(event_context_type);
 395         BT_PUT(event_payload_type);
 396         event_payload_type = bt_ctf_event_class_get_payload_type(
 397                 simple_event_class);
 398         assert(event_payload_type);
 399         event_context_type = bt_ctf_event_class_get_context_type(
 400                 simple_event_class);
 401         assert(event_context_type);
 402         ep_integer_field_type =
 403                 bt_ctf_field_type_structure_get_field_type_by_name(
 404                         event_payload_type, "integer_field");
 405         assert(ep_integer_field_type);
 406         ep_enum_field_type =
 407                 bt_ctf_field_type_structure_get_field_type_by_name(
 408                         event_payload_type, "enum_field");
 409         assert(ep_enum_field_type);
 410         ep_enum_field_unsigned_type =
 411                 bt_ctf_field_type_structure_get_field_type_by_name(
 412                         event_payload_type, "enum_field_unsigned");
 413         assert(ep_enum_field_unsigned_type);
 414
 415         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 416                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 417         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 418                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 419         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 420                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 421         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 422                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 423         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 424         ok(ret_event_class == simple_event_class,
 425                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 426         bt_put(ret_event_class);
 427         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 428                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 429         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 430                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 431         ret_event_class =
 432                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 433         ok(ret_event_class == simple_event_class,
 434                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 435         bt_put(ret_event_class);
 436
 437         ok(bt_ctf_stream_class_get_event_class_by_name(NULL, "some event name") == NULL,
 438                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL stream class correctly");
 439         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, NULL) == NULL,
 440                 "bt_ctf_stream_class_get_event_class_by_name handles a NULL event class name correctly");
 441         ok(bt_ctf_stream_class_get_event_class_by_name(stream_class, "some event name") == NULL,
 442                 "bt_ctf_stream_class_get_event_class_by_name handles non-existing event class names correctly");
 443         ret_event_class = bt_ctf_stream_class_get_event_class_by_name(stream_class, "Simple Event");
 444         ok(ret_event_class == simple_event_class,
 445                 "bt_ctf_stream_class_get_event_class_by_name returns a correct event class");
 446         bt_put(ret_event_class);
 447
 448         simple_event = bt_ctf_event_create(simple_event_class);
 449         ok(simple_event,
 450                 "Instantiate an event containing a single integer field");
 451
 452         integer_field = bt_ctf_field_create(ep_integer_field_type);
 453         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 454         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 455                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 456
 457         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 458         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 459                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 460         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 461         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 462                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 463         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 464                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 465         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 466                 "bt_ctf_field_floating_point_get_value returns a double value");
 467         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 468                 "bt_ctf_field_floating_point_get_value returns a correct value");
 469
 470         enum_field = bt_ctf_field_create(ep_enum_field_type);
 471         assert(enum_field);
 472
 473         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 474         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 475         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 476         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 477         enum_container_field = bt_ctf_field_enumeration_get_container(
 478                 enum_field);
 479         ok(bt_ctf_field_signed_integer_set_value(
 480                 enum_container_field, -42) == 0,
 481                 "Set signed enumeration container value");
 482         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 483         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 484         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 485         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 486         ok(!strcmp(ret_char, mapping_name_negative_test),
 487                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 488         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 489         assert(!ret);
 490         BT_PUT(iter);
 491
 492         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 493         assert(enum_field_unsigned);
 494         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 495                 enum_field_unsigned);
 496         ok(bt_ctf_field_unsigned_integer_set_value(
 497                 enum_container_field_unsigned, 42) == 0,
 498                 "Set unsigned enumeration container value");
 499         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 500                 enum_field_unsigned);
 501         assert(!ret);
 502         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 503         assert(iter);
 504         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 505         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 506                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 507
 508         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 509
 510         /* Populate stream event context */
 511         stream_event_context =
 512                 bt_ctf_event_get_stream_event_context(simple_event);
 513         assert(stream_event_context);
 514         stream_event_context_field = bt_ctf_field_structure_get_field(
 515                 stream_event_context, "common_event_context");
 516         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 517
 518         /* Populate the event's context */
 519         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 520                 "bt_ctf_event_get_event_context handles NULL correctly");
 521         event_context = bt_ctf_event_get_event_context(simple_event);
 522         ok(event_context,
 523                 "bt_ctf_event_get_event_context returns a field");
 524         returned_type = bt_ctf_field_get_type(event_context);
 525         ok(returned_type == event_context_type,
 526                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 527         event_context_field = bt_ctf_field_structure_get_field(event_context,
 528                 "event_specific_context");
 529         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 530                 "Successfully set an event context's value");
 531         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 532                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 533         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 534                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 535         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 536                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 537         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 538                 "Set an event context successfully");
 539
 540         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 541                 "Append simple event to trace stream");
 542
 543         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 544                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 545         packet_context = bt_ctf_stream_get_packet_context(stream);
 546         ok(packet_context,
 547                 "bt_ctf_stream_get_packet_context returns a packet context");
 548
 549         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 550                 "packet_size");
 551         ok(packet_context_field,
 552                 "Packet context contains the default packet_size field.");
 553         bt_put(packet_context_field);
 554         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 555                 "custom_packet_context_field");
 556         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 557                 "Custom packet context field value successfully set.");
 558
 559         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 560                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 561         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 562                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 563         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 564                 "Successfully set a stream's packet context");
 565
 566         ok(bt_ctf_stream_flush(stream) == 0,
 567                 "Flush trace stream with one event");
 568
 569         bt_put(simple_event_class);
 570         bt_put(simple_event);
 571         bt_put(uint_12_type);
 572         bt_put(int_64_type);
 573         bt_put(float_type);
 574         bt_put(enum_type);
 575         bt_put(enum_type_unsigned);
 576         bt_put(returned_type);
 577         bt_put(event_context_type);
 578         bt_put(integer_field);
 579         bt_put(float_field);
 580         bt_put(enum_field);
 581         bt_put(enum_field_unsigned);
 582         bt_put(enum_container_field);
 583         bt_put(enum_container_field_unsigned);
 584         bt_put(packet_context);
 585         bt_put(packet_context_field);
 586         bt_put(stream_event_context);
 587         bt_put(stream_event_context_field);
 588         bt_put(event_context);
 589         bt_put(event_context_field);
 590         bt_put(event_payload_type);
 591         bt_put(ep_integer_field_type);
 592         bt_put(ep_enum_field_type);
 593         bt_put(ep_enum_field_unsigned_type);
 594         bt_put(iter);
 595 }
 596
 597 static
 598 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 599                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 600 {
 601         struct event_class_attrs_counts {
 602                 int id;
 603                 int name;
 604                 int loglevel;
 605                 int modelemfuri;
 606                 int unknown;
 607         } attrs_count;
 608
 609         int i;
 610         int ret;
 611         int64_t int64_value;
 612         struct event_class_attrs_counts ;
 613         const char *complex_test_event_string = "Complex Test Event";
 614         const char *test_string_1 = "Test ";
 615         const char *test_string_2 = "string ";
 616         const char *test_string_3 = "abcdefghi";
 617         const char *test_string_4 = "abcd\0efg\0hi";
 618         const char *test_string_cat = "Test string abcdeabcd";
 619         struct bt_ctf_field_type *uint_35_type =
 620                 bt_ctf_field_type_integer_create(35);
 621         struct bt_ctf_field_type *int_16_type =
 622                 bt_ctf_field_type_integer_create(16);
 623         struct bt_ctf_field_type *uint_3_type =
 624                 bt_ctf_field_type_integer_create(3);
 625         struct bt_ctf_field_type *enum_variant_type =
 626                 bt_ctf_field_type_enumeration_create(uint_3_type);
 627         struct bt_ctf_field_type *variant_type =
 628                 bt_ctf_field_type_variant_create(enum_variant_type,
 629                         "variant_selector");
 630         struct bt_ctf_field_type *string_type =
 631                 bt_ctf_field_type_string_create();
 632         struct bt_ctf_field_type *sequence_type;
 633         struct bt_ctf_field_type *array_type;
 634         struct bt_ctf_field_type *inner_structure_type =
 635                 bt_ctf_field_type_structure_create();
 636         struct bt_ctf_field_type *complex_structure_type =
 637                 bt_ctf_field_type_structure_create();
 638         struct bt_ctf_field_type *ret_field_type;
 639         struct bt_ctf_event_class *event_class;
 640         struct bt_ctf_event *event;
 641         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 642                 *inner_structure_field, *complex_structure_field,
 643                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 644                 *variant_field, *an_array_field, *stream_event_ctx_field,
 645                 *stream_event_ctx_int_field, *ret_field;
 646         uint64_t ret_unsigned_int;
 647         int64_t ret_signed_int;
 648         const char *ret_string;
 649         struct bt_ctf_stream_class *ret_stream_class;
 650         struct bt_ctf_event_class *ret_event_class;
 651         struct bt_ctf_field *packet_context, *packet_context_field;
 652         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 653         struct bt_value *obj;
 654
 655         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 656                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 657         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 658                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 659         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 660                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 661         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 662                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 663         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 664                 "Set alignment of signed 16 bit integer to 32");
 665         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 666                 "Set integer signedness to true");
 667         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 668                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 669                 "Set signed 16 bit integer base to hexadecimal");
 670
 671         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 672         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 673                 "seq_len");
 674
 675         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 676                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 677         ret_field_type = bt_ctf_field_type_array_get_element_type(
 678                 array_type);
 679         ok(ret_field_type == int_16_type,
 680                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 681         bt_put(ret_field_type);
 682
 683         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 684                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 685         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 686                 "bt_ctf_field_type_array_get_length returns the correct length");
 687
 688         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 689                 inner_structure_type, "yes"), "Cannot add self to structure");
 690         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 691                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 692         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 693                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 694         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 695                 array_type, "an_array"), "Add an_array field to inner structure");
 696
 697         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 698                 "UINT3_TYPE", 0, 0);
 699         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 700                 "INT16_TYPE", 1, 1);
 701         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 702                 "UINT35_TYPE", 2, 7);
 703
 704         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 705         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 706
 707         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 708         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 709         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 710                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 711         BT_PUT(iter);
 712
 713         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 714         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 715
 716         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 717         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 718
 719         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 720         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 721         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 722                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 723         BT_PUT(iter);
 724
 725         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 726         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 727         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 728                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 729         BT_PUT(iter);
 730
 731         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 732                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 733         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 734                 "UINT3_TYPE") == 0, "Add a field to a variant");
 735         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 736                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 737         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 738                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 739
 740         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 741                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 742         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 743         ok(ret_field_type == enum_variant_type,
 744                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 745         bt_put(ret_field_type);
 746
 747         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 748                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 749         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 750         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 751                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 752         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 753                 "INT16_TYPE") == NULL,
 754                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 755         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 756                 NULL) == NULL,
 757                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 758         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 759                 variant_type, "INT16_TYPE");
 760         ok(ret_field_type == int_16_type,
 761                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 762         bt_put(ret_field_type);
 763
 764         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 765                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 766         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 767                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 768
 769         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 770                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 771         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 772                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 773         bt_put(ret_field_type);
 774         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 775                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 776         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 777                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 778         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 779                 "bt_ctf_field_type_variant_get_field returns a field");
 780         ok(!strcmp("INT16_TYPE", ret_string),
 781                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 782         ok(ret_field_type == int_16_type,
 783                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 784         bt_put(ret_field_type);
 785
 786         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 787                 enum_variant_type, "variant_selector"),
 788                 "Add variant_selector field to complex structure");
 789         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 790                 string_type, "a_string"), "Add a_string field to complex structure");
 791         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 792                 variant_type, "variant_value"),
 793                 "Add variant_value field to complex structure");
 794         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 795                 inner_structure_type, "inner_structure"),
 796                 "Add inner_structure field to complex structure");
 797
 798         ok(bt_ctf_event_class_create("clock") == NULL,
 799                 "Reject creation of an event class with an illegal name");
 800         event_class = bt_ctf_event_class_create(complex_test_event_string);
 801         ok(event_class, "Create an event class");
 802         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 803                 "Reject addition of a field with an empty name to an event");
 804         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 805                 "Reject addition of a field with a NULL type to an event");
 806         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 807                 "int"),
 808                 "Reject addition of a type with an illegal name to an event");
 809         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 810                 "uint_35") == 0,
 811                 "Add field of type unsigned integer to an event");
 812         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 813                 "int_16") == 0, "Add field of type signed integer to an event");
 814         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 815                 "complex_structure") == 0,
 816                 "Add composite structure to an event");
 817
 818         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 819                 "bt_ctf_event_class_get_name handles NULL correctly");
 820         ret_string = bt_ctf_event_class_get_name(event_class);
 821         ok(!strcmp(ret_string, complex_test_event_string),
 822                 "bt_ctf_event_class_get_name returns a correct name");
 823         ok(bt_ctf_event_class_get_id(event_class) < 0,
 824                 "bt_ctf_event_class_get_id returns a negative value when not set");
 825         ok(bt_ctf_event_class_get_id(NULL) < 0,
 826                 "bt_ctf_event_class_get_id handles NULL correctly");
 827         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 828                 "bt_ctf_event_class_set_id handles NULL correctly");
 829         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 830                 "Set an event class' id");
 831         ok(bt_ctf_event_class_get_id(event_class) == 42,
 832                 "bt_ctf_event_class_get_id returns the correct value");
 833
 834         /* Test event class attributes */
 835         obj = bt_value_integer_create_init(15);
 836         assert(obj);
 837         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 838                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 839         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 840                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 841         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 842                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 843         assert(!bt_value_integer_set(obj, -3));
 844         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 845                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 846         assert(!bt_value_integer_set(obj, 11));
 847         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 848         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 849                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 850         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 851         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 852         ok(ret,
 853                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 854         BT_PUT(obj);
 855
 856         obj = bt_value_integer_create_init(5);
 857         assert(obj);
 858         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 859                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 860         BT_PUT(obj);
 861         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 862                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 863         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 864                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 865         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 866                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 867         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 868                 "loglevel");
 869         int64_value = 0;
 870         ret = bt_value_integer_get(obj, &int64_value);
 871         ok(obj && !ret && int64_value == 5,
 872                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 873         BT_PUT(obj);
 874
 875         obj = bt_value_string_create_init("nu name");
 876         assert(obj);
 877         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 878         ret_string = bt_ctf_event_class_get_name(event_class);
 879         ok(!strcmp(ret_string, "nu name"),
 880                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 881         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 882         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 883         ok(ret,
 884                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 885         BT_PUT(obj);
 886         obj = bt_value_string_create_init("http://kernel.org/");
 887         assert(obj);
 888         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 889         BT_PUT(obj);
 890
 891         ok(bt_ctf_event_class_get_attribute_count(NULL),
 892                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 893         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 894                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 895         ok(!bt_ctf_event_class_get_attribute_name_by_index(NULL, 0),
 896                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 897         ok(!bt_ctf_event_class_get_attribute_name_by_index(event_class, 4),
 898                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 899         ok(!bt_ctf_event_class_get_attribute_value_by_index(NULL, 0),
 900                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 901         ok(!bt_ctf_event_class_get_attribute_value_by_index(event_class, 4),
 902                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 903
 904         memset(&attrs_count, 0, sizeof(attrs_count));
 905
 906         for (i = 0; i < 4; ++i) {
 907                 ret_string = bt_ctf_event_class_get_attribute_name_by_index(
 908                         event_class, i);
 909                 obj = bt_ctf_event_class_get_attribute_value_by_index(
 910                         event_class, i);
 911                 assert(ret_string && obj);
 912
 913                 if (!strcmp(ret_string, "id")) {
 914                         attrs_count.id++;
 915                         ok(bt_value_is_integer(obj),
 916                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 917                                 ret_string);
 918                 } else if (!strcmp(ret_string, "name")) {
 919                         attrs_count.name++;
 920                         ok(bt_value_is_string(obj),
 921                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 922                                 ret_string);
 923                 } else if (!strcmp(ret_string, "loglevel")) {
 924                         attrs_count.loglevel++;
 925                         ok(bt_value_is_integer(obj),
 926                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 927                                 ret_string);
 928                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 929                         attrs_count.modelemfuri++;
 930                         ok(bt_value_is_string(obj),
 931                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 932                                 ret_string);
 933                 } else {
 934                         attrs_count.unknown++;
 935                 }
 936
 937                 BT_PUT(obj);
 938         }
 939
 940         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 941         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 942                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 943                 "event class has one instance of each known attribute");
 944
 945         /* Add event class to the stream class */
 946         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 947                 "Reject addition of NULL event class to a stream class");
 948         ok(bt_ctf_stream_class_add_event_class(stream_class,
 949                 event_class) == 0, "Add an event class to stream class");
 950
 951         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 952                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 953         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 954         ok(ret_stream_class == stream_class,
 955                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 956         bt_put(ret_stream_class);
 957
 958         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 959                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 960         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 961                 "bt_ctf_event_class_get_field_count returns a correct value");
 962
 963         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 964                 &ret_field_type, 0) < 0,
 965                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 966         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 967                 &ret_field_type, 0) == 0,
 968                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 969         bt_put(ret_field_type);
 970         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 971                 NULL, 0) == 0,
 972                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 973         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 974                 &ret_field_type, 42) < 0,
 975                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 976         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 977                 &ret_field_type, 0) == 0,
 978                 "bt_ctf_event_class_get_field returns a field");
 979         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 980                 "bt_ctf_event_class_get_field returns a correct field type");
 981         bt_put(ret_field_type);
 982         ok(!strcmp(ret_string, "uint_35"),
 983                 "bt_ctf_event_class_get_field returns a correct field name");
 984         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 985                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 986         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 987                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 988         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 989                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 990         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 991                 "complex_structure");
 992         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 993                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 994         bt_put(ret_field_type);
 995
 996         event = bt_ctf_event_create(event_class);
 997         ok(event, "Instanciate a complex event");
 998
 999         ok(bt_ctf_event_get_class(NULL) == NULL,
1000                 "bt_ctf_event_get_class handles NULL correctly");
1001         ret_event_class = bt_ctf_event_get_class(event);
1002         ok(ret_event_class == event_class,
1003                 "bt_ctf_event_get_class returns the correct event class");
1004         bt_put(ret_event_class);
1005
1006         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1007         if (!uint_35_field) {
1008                 printf("uint_35_field is NULL\n");
1009         }
1010
1011         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1012         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1013         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1014                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1015         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1016                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1017         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1018                 &ret_unsigned_int) == 0,
1019                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1020         ok(ret_unsigned_int == 0x0DDF00D,
1021                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1022         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1023                 &ret_signed_int) < 0,
1024                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1025         bt_put(uint_35_field);
1026
1027         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1028         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1029         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1030                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1031         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1032                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1033         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1034                 &ret_signed_int) == 0,
1035                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1036         ok(ret_signed_int == -12345,
1037                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1038         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1039                 &ret_unsigned_int) < 0,
1040                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1041         bt_put(int_16_field);
1042
1043         complex_structure_field = bt_ctf_event_get_payload(event,
1044                 "complex_structure");
1045
1046         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1047                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1048         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1049                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1050         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1051                 complex_structure_field, 3);
1052         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1053         bt_put(inner_structure_field);
1054         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1055                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1056         bt_put(ret_field_type);
1057
1058         inner_structure_field = bt_ctf_field_structure_get_field(
1059                 complex_structure_field, "inner_structure");
1060         a_string_field = bt_ctf_field_structure_get_field(
1061                 complex_structure_field, "a_string");
1062         enum_variant_field = bt_ctf_field_structure_get_field(
1063                 complex_structure_field, "variant_selector");
1064         variant_field = bt_ctf_field_structure_get_field(
1065                 complex_structure_field, "variant_value");
1066         uint_35_field = bt_ctf_field_structure_get_field(
1067                 inner_structure_field, "seq_len");
1068         a_sequence_field = bt_ctf_field_structure_get_field(
1069                 inner_structure_field, "a_sequence");
1070         an_array_field = bt_ctf_field_structure_get_field(
1071                 inner_structure_field, "an_array");
1072
1073         enum_container_field = bt_ctf_field_enumeration_get_container(
1074                 enum_variant_field);
1075         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1076         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1077                 enum_variant_field);
1078         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1079         bt_put(int_16_field);
1080         ok(!bt_ctf_field_string_get_value(a_string_field),
1081                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1082         bt_ctf_field_string_set_value(a_string_field,
1083                 test_string_1);
1084         ok(!bt_ctf_field_string_get_value(NULL),
1085                 "bt_ctf_field_string_get_value correctly handles NULL");
1086         ok(bt_ctf_field_string_append(NULL, "yeah"),
1087                 "bt_ctf_field_string_append correctly handles a NULL string field");
1088         ok(bt_ctf_field_string_append(a_string_field, NULL),
1089                 "bt_ctf_field_string_append correctly handles a NULL string value");
1090         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1091                 "bt_ctf_field_string_append succeeds");
1092         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1093                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1094         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1095                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1096         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1097                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1098         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1099                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1100         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1101                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1102         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1103                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1104
1105         ret_string = bt_ctf_field_string_get_value(a_string_field);
1106         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1107         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1108                 "bt_ctf_field_string_get_value returns a correct value");
1109         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1110                 SEQUENCE_TEST_LENGTH);
1111
1112         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1113                 enum_container_field) == NULL,
1114                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1115         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1116                 NULL) == NULL,
1117                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1118         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1119                 variant_type, enum_variant_field);
1120         ok(ret_field_type == int_16_type,
1121                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1122
1123         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1124                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1125         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1126                 uint_35_field) == 0, "Set a sequence field's length");
1127         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1128         ok(ret_field == uint_35_field,
1129                 "bt_ctf_field_sequence_get_length returns the correct length field");
1130         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1131                 "bt_ctf_field_sequence_get_length properly handles NULL");
1132
1133         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1134                 int_16_field = bt_ctf_field_sequence_get_field(
1135                         a_sequence_field, i);
1136                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1137                 bt_put(int_16_field);
1138         }
1139
1140         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1141                 int_16_field = bt_ctf_field_array_get_field(
1142                         an_array_field, i);
1143                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1144                 bt_put(int_16_field);
1145         }
1146
1147         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1148         assert(stream_event_ctx_field);
1149         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1150                 stream_event_ctx_field, "common_event_context");
1151         BT_PUT(stream_event_ctx_field);
1152         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1153         BT_PUT(stream_event_ctx_int_field);
1154
1155         bt_ctf_clock_set_time(clock, ++current_time);
1156         ok(bt_ctf_stream_append_event(stream, event) == 0,
1157                 "Append a complex event to a stream");
1158
1159         /*
1160          * Populate the custom packet context field with a dummy value
1161          * otherwise flush will fail.
1162          */
1163         packet_context = bt_ctf_stream_get_packet_context(stream);
1164         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1165                 "custom_packet_context_field");
1166         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1167
1168         ok(bt_ctf_stream_flush(stream) == 0,
1169                 "Flush a stream containing a complex event");
1170
1171         bt_put(uint_35_field);
1172         bt_put(a_string_field);
1173         bt_put(inner_structure_field);
1174         bt_put(complex_structure_field);
1175         bt_put(a_sequence_field);
1176         bt_put(an_array_field);
1177         bt_put(enum_variant_field);
1178         bt_put(enum_container_field);
1179         bt_put(variant_field);
1180         bt_put(ret_field);
1181         bt_put(packet_context_field);
1182         bt_put(packet_context);
1183         bt_put(uint_35_type);
1184         bt_put(int_16_type);
1185         bt_put(string_type);
1186         bt_put(sequence_type);
1187         bt_put(array_type);
1188         bt_put(inner_structure_type);
1189         bt_put(complex_structure_type);
1190         bt_put(uint_3_type);
1191         bt_put(enum_variant_type);
1192         bt_put(variant_type);
1193         bt_put(ret_field_type);
1194         bt_put(event_class);
1195         bt_put(event);
1196 }
1197
1198 static
1199 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1200                 struct bt_ctf_field_type *expected_type, const char *name)
1201 {
1202         struct bt_ctf_field_type *copy_type;
1203
1204         copy_type = bt_ctf_field_get_type(field);
1205         ok(copy_type == expected_type,
1206                 "bt_ctf_field_copy does not copy the type (%s)", name);
1207         bt_put(copy_type);
1208 }
1209
1210 static
1211 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1212                 struct bt_ctf_field *field_b, const char *name)
1213 {
1214         ok(field_a != field_b,
1215                 "bt_ctf_field_copy creates different pointers (%s)", name);
1216 }
1217
1218 static
1219 void field_copy_tests()
1220 {
1221         struct bt_ctf_field_type *len_type = NULL;
1222         struct bt_ctf_field_type *fp_type = NULL;
1223         struct bt_ctf_field_type *s_type = NULL;
1224         struct bt_ctf_field_type *e_int_type = NULL;
1225         struct bt_ctf_field_type *e_type = NULL;
1226         struct bt_ctf_field_type *v_type = NULL;
1227         struct bt_ctf_field_type *v_label1_type = NULL;
1228         struct bt_ctf_field_type *v_label1_array_type = NULL;
1229         struct bt_ctf_field_type *v_label2_type = NULL;
1230         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1231         struct bt_ctf_field_type *strct_type = NULL;
1232         struct bt_ctf_field *len = NULL;
1233         struct bt_ctf_field *fp = NULL;
1234         struct bt_ctf_field *s = NULL;
1235         struct bt_ctf_field *e_int = NULL;
1236         struct bt_ctf_field *e = NULL;
1237         struct bt_ctf_field *v = NULL;
1238         struct bt_ctf_field *v_selected = NULL;
1239         struct bt_ctf_field *v_selected_cur = NULL;
1240         struct bt_ctf_field *v_selected_0 = NULL;
1241         struct bt_ctf_field *v_selected_1 = NULL;
1242         struct bt_ctf_field *v_selected_2 = NULL;
1243         struct bt_ctf_field *v_selected_3 = NULL;
1244         struct bt_ctf_field *v_selected_4 = NULL;
1245         struct bt_ctf_field *v_selected_5 = NULL;
1246         struct bt_ctf_field *v_selected_6 = NULL;
1247         struct bt_ctf_field *a = NULL;
1248         struct bt_ctf_field *a_0 = NULL;
1249         struct bt_ctf_field *a_1 = NULL;
1250         struct bt_ctf_field *a_2 = NULL;
1251         struct bt_ctf_field *a_3 = NULL;
1252         struct bt_ctf_field *a_4 = NULL;
1253         struct bt_ctf_field *strct = NULL;
1254         struct bt_ctf_field *len_copy = NULL;
1255         struct bt_ctf_field *fp_copy = NULL;
1256         struct bt_ctf_field *s_copy = NULL;
1257         struct bt_ctf_field *e_int_copy = NULL;
1258         struct bt_ctf_field *e_copy = NULL;
1259         struct bt_ctf_field *v_copy = NULL;
1260         struct bt_ctf_field *v_selected_copy = NULL;
1261         struct bt_ctf_field *v_selected_copy_len = NULL;
1262         struct bt_ctf_field *v_selected_0_copy = NULL;
1263         struct bt_ctf_field *v_selected_1_copy = NULL;
1264         struct bt_ctf_field *v_selected_2_copy = NULL;
1265         struct bt_ctf_field *v_selected_3_copy = NULL;
1266         struct bt_ctf_field *v_selected_4_copy = NULL;
1267         struct bt_ctf_field *v_selected_5_copy = NULL;
1268         struct bt_ctf_field *v_selected_6_copy = NULL;
1269         struct bt_ctf_field *a_copy = NULL;
1270         struct bt_ctf_field *a_0_copy = NULL;
1271         struct bt_ctf_field *a_1_copy = NULL;
1272         struct bt_ctf_field *a_2_copy = NULL;
1273         struct bt_ctf_field *a_3_copy = NULL;
1274         struct bt_ctf_field *a_4_copy = NULL;
1275         struct bt_ctf_field *strct_copy = NULL;
1276         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1277         uint64_t uint64_t_val;
1278         const char *str_val;
1279         double double_val;
1280         int ret;
1281
1282         /* create len type */
1283         len_type = bt_ctf_field_type_integer_create(32);
1284         assert(len_type);
1285
1286         /* create fp type */
1287         fp_type = bt_ctf_field_type_floating_point_create();
1288         assert(fp_type);
1289
1290         /* create s type */
1291         s_type = bt_ctf_field_type_string_create();
1292         assert(s_type);
1293
1294         /* create e_int type */
1295         e_int_type = bt_ctf_field_type_integer_create(8);
1296         assert(e_int_type);
1297
1298         /* create e type */
1299         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1300         assert(e_type);
1301         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1302                 10, 15);
1303         assert(!ret);
1304         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1305                 23, 23);
1306         assert(!ret);
1307
1308         /* create v_label1 type */
1309         v_label1_type = bt_ctf_field_type_string_create();
1310         assert(v_label1_type);
1311
1312         /* create v_label1_array type */
1313         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1314         assert(v_label1_array_type);
1315
1316         /* create v_label2 type */
1317         v_label2_type = bt_ctf_field_type_integer_create(16);
1318         assert(v_label2_type);
1319
1320         /* create v_label2_seq type */
1321         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1322                 "len");
1323         assert(v_label2_seq_type);
1324
1325         /* create v type */
1326         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1327         assert(v_type);
1328         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1329                 "LABEL1");
1330         assert(!ret);
1331         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1332                 "LABEL2");
1333         assert(!ret);
1334
1335         /* create strct type */
1336         strct_type = bt_ctf_field_type_structure_create();
1337         assert(strct_type);
1338         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1339                 "len");
1340         assert(!ret);
1341         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1342         assert(!ret);
1343         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1344         assert(!ret);
1345         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1346         assert(!ret);
1347         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1348         assert(!ret);
1349         ret = bt_ctf_field_type_structure_add_field(strct_type,
1350                 v_label1_array_type, "a");
1351         assert(!ret);
1352
1353         /* create strct */
1354         strct = bt_ctf_field_create(strct_type);
1355         assert(strct);
1356
1357         /* get len field */
1358         len = bt_ctf_field_structure_get_field(strct, "len");
1359         assert(len);
1360
1361         /* get fp field */
1362         fp = bt_ctf_field_structure_get_field(strct, "fp");
1363         assert(fp);
1364
1365         /* get s field */
1366         s = bt_ctf_field_structure_get_field(strct, "s");
1367         assert(s);
1368
1369         /* get e field */
1370         e = bt_ctf_field_structure_get_field(strct, "e");
1371         assert(e);
1372
1373         /* get e_int (underlying integer) */
1374         e_int = bt_ctf_field_enumeration_get_container(e);
1375         assert(e_int);
1376
1377         /* get v field */
1378         v = bt_ctf_field_structure_get_field(strct, "v");
1379         assert(v);
1380
1381         /* get a field */
1382         a = bt_ctf_field_structure_get_field(strct, "a");
1383         assert(a);
1384
1385         /* set len field */
1386         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1387         assert(!ret);
1388
1389         /* set fp field */
1390         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1391         assert(!ret);
1392
1393         /* set s field */
1394         ret = bt_ctf_field_string_set_value(s, "btbt");
1395         assert(!ret);
1396
1397         /* set e field (LABEL2) */
1398         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1399         assert(!ret);
1400
1401         /* set v field */
1402         v_selected = bt_ctf_field_variant_get_field(v, e);
1403         assert(v_selected);
1404         ok(!bt_ctf_field_variant_get_current_field(NULL),
1405                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1406         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1407         ok(v_selected_cur == v_selected,
1408                 "bt_ctf_field_variant_get_current_field returns the current field");
1409         bt_put(v_selected_cur);
1410
1411         /* set selected v field */
1412         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1413         assert(!ret);
1414         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1415         assert(v_selected_0);
1416         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1417         assert(!ret);
1418         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1419         assert(v_selected_1);
1420         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1421         assert(!ret);
1422         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1423         assert(v_selected_2);
1424         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1425         assert(!ret);
1426         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1427         assert(v_selected_3);
1428         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1429         assert(!ret);
1430         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1431         assert(v_selected_4);
1432         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1433         assert(!ret);
1434         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1435         assert(v_selected_5);
1436         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1437         assert(!ret);
1438         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1439         assert(v_selected_6);
1440         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1441         assert(!ret);
1442
1443         /* set a field */
1444         a_0 = bt_ctf_field_array_get_field(a, 0);
1445         assert(a_0);
1446         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1447         assert(!ret);
1448         a_1 = bt_ctf_field_array_get_field(a, 1);
1449         assert(a_1);
1450         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1451         assert(!ret);
1452         a_2 = bt_ctf_field_array_get_field(a, 2);
1453         assert(a_2);
1454         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1455         assert(!ret);
1456         a_3 = bt_ctf_field_array_get_field(a, 3);
1457         assert(a_3);
1458         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1459         assert(!ret);
1460         a_4 = bt_ctf_field_array_get_field(a, 4);
1461         assert(a_4);
1462         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1463         assert(!ret);
1464
1465         /* create copy of strct */
1466         ok(!bt_ctf_field_copy(NULL),
1467                 "bt_ctf_field_copy handles NULL correctly");
1468         strct_copy = bt_ctf_field_copy(strct);
1469         ok(strct_copy,
1470                 "bt_ctf_field_copy returns a valid pointer");
1471
1472         /* get all copied fields */
1473         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1474         assert(len_copy);
1475         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1476         assert(fp_copy);
1477         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1478         assert(s_copy);
1479         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1480         assert(e_copy);
1481         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1482         assert(e_int_copy);
1483         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1484         assert(v_copy);
1485         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1486         assert(v_selected_copy);
1487         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1488         assert(v_selected_0_copy);
1489         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1490         assert(v_selected_1_copy);
1491         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1492         assert(v_selected_2_copy);
1493         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1494         assert(v_selected_3_copy);
1495         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1496         assert(v_selected_4_copy);
1497         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1498         assert(v_selected_5_copy);
1499         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1500         assert(v_selected_6_copy);
1501         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1502                 "sequence field copy is not too large");
1503         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1504         assert(a_copy);
1505         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1506         assert(a_0_copy);
1507         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1508         assert(a_1_copy);
1509         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1510         assert(a_2_copy);
1511         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1512         assert(a_3_copy);
1513         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1514         assert(a_4_copy);
1515         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1516                 "array field copy is not too large");
1517
1518         /* make sure copied fields are different pointers */
1519         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1520         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1521         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1522         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1523         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1524         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1525         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1526         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1527                 "v_selected");
1528         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1529                 "v_selected_0");
1530         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1531                 "v_selected_1");
1532         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1533                 "v_selected_2");
1534         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1535                 "v_selected_3");
1536         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1537                 "v_selected_4");
1538         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1539                 "v_selected_5");
1540         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1541                 "v_selected_6");
1542         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1543         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1544         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1545         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1546         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1547         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1548
1549         /* make sure copied fields share the same types */
1550         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1551         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1552         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1553         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1554         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1555         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1556         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1557                 "v_selected");
1558         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1559                 "v_selected_0");
1560         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1561                 "v_selected_1");
1562         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1563                 "v_selected_2");
1564         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1565                 "v_selected_3");
1566         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1567                 "v_selected_4");
1568         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1569                 "v_selected_5");
1570         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1571                 "v_selected_6");
1572         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1573         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1574         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1575         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1576         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1577         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1578
1579         /* validate len copy */
1580         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1581         assert(!ret);
1582         ok(uint64_t_val == 7,
1583                 "bt_ctf_field_copy creates a valid integer field copy");
1584
1585         /* validate fp copy */
1586         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1587         assert(!ret);
1588         ok(double_val == 3.14,
1589                 "bt_ctf_field_copy creates a valid floating point number field copy");
1590
1591         /* validate s copy */
1592         str_val = bt_ctf_field_string_get_value(s_copy);
1593         ok(str_val && !strcmp(str_val, "btbt"),
1594                 "bt_ctf_field_copy creates a valid string field copy");
1595
1596         /* validate e_int copy */
1597         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1598                 &uint64_t_val);
1599         assert(!ret);
1600         ok(uint64_t_val == 23,
1601                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1602
1603         /* validate e copy */
1604         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1605         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1606                 &str_val, NULL, NULL);
1607         ok(str_val && !strcmp(str_val, "LABEL2"),
1608                 "bt_ctf_field_copy creates a valid enum field copy");
1609
1610         /* validate v_selected copy */
1611         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1612         assert(v_selected_copy_len);
1613         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1614                 &uint64_t_val);
1615         assert(!ret);
1616         ok(uint64_t_val == 7,
1617                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1618         bt_put(v_selected_copy_len);
1619         v_selected_copy_len = NULL;
1620
1621         /* validate v_selected copy fields */
1622         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1623                 &uint64_t_val);
1624         assert(!ret);
1625         ok(uint64_t_val == 7,
1626                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1627         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1628                 &uint64_t_val);
1629         assert(!ret);
1630         ok(uint64_t_val == 6,
1631                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1632         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1633                 &uint64_t_val);
1634         assert(!ret);
1635         ok(uint64_t_val == 5,
1636                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1637         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1638                 &uint64_t_val);
1639         assert(!ret);
1640         ok(uint64_t_val == 4,
1641                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1642         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1643                 &uint64_t_val);
1644         assert(!ret);
1645         ok(uint64_t_val == 3,
1646                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1647         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1648                 &uint64_t_val);
1649         assert(!ret);
1650         ok(uint64_t_val == 2,
1651                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1652         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1653                 &uint64_t_val);
1654         assert(!ret);
1655         ok(uint64_t_val == 1,
1656                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1657
1658         /* validate a copy fields */
1659         str_val = bt_ctf_field_string_get_value(a_0_copy);
1660         ok(str_val && !strcmp(str_val, "a_0"),
1661                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1662         str_val = bt_ctf_field_string_get_value(a_1_copy);
1663         ok(str_val && !strcmp(str_val, "a_1"),
1664                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1665         str_val = bt_ctf_field_string_get_value(a_2_copy);
1666         ok(str_val && !strcmp(str_val, "a_2"),
1667                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1668         str_val = bt_ctf_field_string_get_value(a_3_copy);
1669         ok(str_val && !strcmp(str_val, "a_3"),
1670                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1671         str_val = bt_ctf_field_string_get_value(a_4_copy);
1672         ok(str_val && !strcmp(str_val, "a_4"),
1673                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1674
1675         /* put everything */
1676         bt_put(len_type);
1677         bt_put(fp_type);
1678         bt_put(s_type);
1679         bt_put(e_int_type);
1680         bt_put(e_type);
1681         bt_put(v_type);
1682         bt_put(v_label1_type);
1683         bt_put(v_label1_array_type);
1684         bt_put(v_label2_type);
1685         bt_put(v_label2_seq_type);
1686         bt_put(strct_type);
1687         bt_put(len);
1688         bt_put(fp);
1689         bt_put(s);
1690         bt_put(e_int);
1691         bt_put(e);
1692         bt_put(v);
1693         bt_put(v_selected);
1694         bt_put(v_selected_0);
1695         bt_put(v_selected_1);
1696         bt_put(v_selected_2);
1697         bt_put(v_selected_3);
1698         bt_put(v_selected_4);
1699         bt_put(v_selected_5);
1700         bt_put(v_selected_6);
1701         bt_put(a);
1702         bt_put(a_0);
1703         bt_put(a_1);
1704         bt_put(a_2);
1705         bt_put(a_3);
1706         bt_put(a_4);
1707         bt_put(strct);
1708         bt_put(len_copy);
1709         bt_put(fp_copy);
1710         bt_put(s_copy);
1711         bt_put(e_int_copy);
1712         bt_put(e_copy);
1713         bt_put(v_copy);
1714         bt_put(v_selected_copy);
1715         bt_put(v_selected_0_copy);
1716         bt_put(v_selected_1_copy);
1717         bt_put(v_selected_2_copy);
1718         bt_put(v_selected_3_copy);
1719         bt_put(v_selected_4_copy);
1720         bt_put(v_selected_5_copy);
1721         bt_put(v_selected_6_copy);
1722         bt_put(a_copy);
1723         bt_put(a_0_copy);
1724         bt_put(a_1_copy);
1725         bt_put(a_2_copy);
1726         bt_put(a_3_copy);
1727         bt_put(a_4_copy);
1728         bt_put(strct_copy);
1729         bt_put(e_iter);
1730 }
1731
1732 static
1733 void type_field_tests()
1734 {
1735         struct bt_ctf_field *uint_12;
1736         struct bt_ctf_field *int_16;
1737         struct bt_ctf_field *string;
1738         struct bt_ctf_field *enumeration;
1739         struct bt_ctf_field_type *composite_structure_type;
1740         struct bt_ctf_field_type *structure_seq_type;
1741         struct bt_ctf_field_type *string_type;
1742         struct bt_ctf_field_type *sequence_type;
1743         struct bt_ctf_field_type *uint_8_type;
1744         struct bt_ctf_field_type *int_16_type;
1745         struct bt_ctf_field_type *uint_12_type =
1746                 bt_ctf_field_type_integer_create(12);
1747         struct bt_ctf_field_type *enumeration_type;
1748         struct bt_ctf_field_type *returned_type;
1749         const char *ret_string;
1750
1751         returned_type = bt_ctf_field_get_type(NULL);
1752         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1753
1754         ok(uint_12_type, "Create an unsigned integer type");
1755         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1756                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1757                 "Set integer type's base as binary");
1758         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1759                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1760                 "Set integer type's base as decimal");
1761         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1762                 BT_CTF_INTEGER_BASE_UNKNOWN),
1763                 "Reject integer type's base set as unknown");
1764         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1765                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1766                 "Set integer type's base as octal");
1767         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1768                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1769                 "Set integer type's base as hexadecimal");
1770         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1771                 "Reject unknown integer base value");
1772         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1773                 "Set integer type signedness to signed");
1774         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1775                 "Set integer type signedness to unsigned");
1776         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1777                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1778         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1779                 "bt_ctf_field_type_integer_get_size returns a correct value");
1780         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1781                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1782         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1783                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1784
1785         ok(bt_ctf_field_type_set_byte_order(NULL,
1786                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1787                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1788         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1789                 (enum bt_ctf_byte_order) 42) < 0,
1790                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1791         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1792                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1793                 "Set an integer's byte order to little endian");
1794         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1795                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1796                 "Set an integer's byte order to big endian");
1797         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1798                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1799                 "bt_ctf_field_type_get_byte_order returns a correct value");
1800         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1801                 BT_CTF_BYTE_ORDER_UNKNOWN,
1802                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1803
1804         ok(bt_ctf_field_type_get_type_id(NULL) ==
1805                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1806                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1807         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1808                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1809                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1810
1811         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1812                 BT_CTF_INTEGER_BASE_UNKNOWN,
1813                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1814         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1815                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1816                 "bt_ctf_field_type_integer_get_base returns a correct value");
1817
1818         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1819                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1820                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1821         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1822                 (enum bt_ctf_string_encoding) 123) < 0,
1823                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1824         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1825                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1826                 "Set integer type encoding to UTF8");
1827         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1828                 BT_CTF_STRING_ENCODING_UNKNOWN,
1829                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1830         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1831                 BT_CTF_STRING_ENCODING_UTF8,
1832                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1833
1834         int_16_type = bt_ctf_field_type_integer_create(16);
1835         assert(int_16_type);
1836         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1837                 "Set signedness of 16 bit integer to true");
1838         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1839                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1840         uint_8_type = bt_ctf_field_type_integer_create(8);
1841         sequence_type =
1842                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1843         ok(sequence_type, "Create a sequence of int16_t type");
1844         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1845                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1846                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1847
1848         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1849                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1850         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1851                 sequence_type);
1852         ok(!strcmp(ret_string, "seq_len"),
1853                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1854         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1855                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1856         returned_type = bt_ctf_field_type_sequence_get_element_type(
1857                 sequence_type);
1858         ok(returned_type == int_16_type,
1859                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1860         bt_put(returned_type);
1861
1862         string_type = bt_ctf_field_type_string_create();
1863         ok(string_type, "Create a string type");
1864         ok(bt_ctf_field_type_string_set_encoding(string_type,
1865                 BT_CTF_STRING_ENCODING_NONE),
1866                 "Reject invalid \"None\" string encoding");
1867         ok(bt_ctf_field_type_string_set_encoding(string_type,
1868                 42),
1869                 "Reject invalid string encoding");
1870         ok(bt_ctf_field_type_string_set_encoding(string_type,
1871                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1872                 "Set string encoding to ASCII");
1873
1874         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1875                 BT_CTF_STRING_ENCODING_UNKNOWN,
1876                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1877         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1878                 BT_CTF_STRING_ENCODING_ASCII,
1879                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1880
1881         structure_seq_type = bt_ctf_field_type_structure_create();
1882         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1883                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1884                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1885         ok(structure_seq_type, "Create a structure type");
1886         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1887                 uint_8_type, "seq_len") == 0,
1888                 "Add a uint8_t type to a structure");
1889         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1890                 sequence_type, "a_sequence") == 0,
1891                 "Add a sequence type to a structure");
1892
1893         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1894                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1895         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1896                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1897
1898         ok(bt_ctf_field_type_structure_get_field(NULL,
1899                 &ret_string, &returned_type, 1) < 0,
1900                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1901         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1902                 NULL, &returned_type, 1) == 0,
1903                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1904         bt_put(returned_type);
1905         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1906                 &ret_string, NULL, 1) == 0,
1907                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1908         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1909                 &ret_string, &returned_type, 10) < 0,
1910                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1911         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1912                 &ret_string, &returned_type, 1) == 0,
1913                 "bt_ctf_field_type_structure_get_field returns a field");
1914         ok(!strcmp(ret_string, "a_sequence"),
1915                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1916         ok(returned_type == sequence_type,
1917                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1918         bt_put(returned_type);
1919
1920         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1921                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1922         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1923                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1924         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1925                 structure_seq_type, "a_sequence");
1926         ok(returned_type == sequence_type,
1927                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1928         bt_put(returned_type);
1929
1930         composite_structure_type = bt_ctf_field_type_structure_create();
1931         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1932                 string_type, "a_string") == 0,
1933                 "Add a string type to a structure");
1934         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1935                 structure_seq_type, "inner_structure") == 0,
1936                 "Add a structure type to a structure");
1937
1938         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1939                 NULL, "a_sequence") == NULL,
1940                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1941         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1942                 structure_seq_type, NULL) == NULL,
1943                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1944         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1945                 structure_seq_type, "a_sequence");
1946         ok(returned_type == sequence_type,
1947                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1948         bt_put(returned_type);
1949
1950         int_16 = bt_ctf_field_create(int_16_type);
1951         ok(int_16, "Instanciate a signed 16-bit integer");
1952         uint_12 = bt_ctf_field_create(uint_12_type);
1953         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1954         returned_type = bt_ctf_field_get_type(int_16);
1955         ok(returned_type == int_16_type,
1956                 "bt_ctf_field_get_type returns the correct type");
1957
1958         /* Can't modify types after instanciating them */
1959         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1960                 BT_CTF_INTEGER_BASE_DECIMAL),
1961                 "Check an integer type' base can't be modified after instanciation");
1962         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1963                 "Check an integer type's signedness can't be modified after instanciation");
1964
1965         /* Check signed property is checked */
1966         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1967                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1968         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1969                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1970
1971         /* Check overflows are properly tested for */
1972         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1973                 "Check -32768 is allowed for a signed 16-bit integer");
1974         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1975                 "Check 32767 is allowed for a signed 16-bit integer");
1976         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1977                 "Check 32768 is not allowed for a signed 16-bit integer");
1978         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1979                 "Check -32769 is not allowed for a signed 16-bit integer");
1980         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1981                 "Check -42 is allowed for a signed 16-bit integer");
1982
1983         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1984                 "Check 4095 is allowed for an unsigned 12-bit integer");
1985         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1986                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1987         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1988                 "Check 0 is allowed for an unsigned 12-bit integer");
1989
1990         string = bt_ctf_field_create(string_type);
1991         ok(string, "Instanciate a string field");
1992         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1993                 "Set a string's value");
1994
1995         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1996         ok(enumeration_type,
1997                 "Create an enumeration type with an unsigned 12-bit integer as container");
1998         enumeration = bt_ctf_field_create(enumeration_type);
1999         ok(!enumeration,
2000                 "Check enumeration types are validated before instantiation");
2001
2002         bt_put(string);
2003         bt_put(uint_12);
2004         bt_put(int_16);
2005         bt_put(enumeration);
2006         bt_put(composite_structure_type);
2007         bt_put(structure_seq_type);
2008         bt_put(string_type);
2009         bt_put(sequence_type);
2010         bt_put(uint_8_type);
2011         bt_put(int_16_type);
2012         bt_put(uint_12_type);
2013         bt_put(enumeration_type);
2014         bt_put(returned_type);
2015 }
2016
2017 static
2018 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2019                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2020 {
2021         /*
2022          * Append enough events to force the underlying packet to be resized.
2023          * Also tests that a new event can be declared after a stream has been
2024          * instantiated and used/flushed.
2025          */
2026         int ret = 0;
2027         int i;
2028         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2029                 "Spammy_Event");
2030         struct bt_ctf_field_type *integer_type =
2031                 bt_ctf_field_type_integer_create(17);
2032         struct bt_ctf_field_type *string_type =
2033                 bt_ctf_field_type_string_create();
2034         struct bt_ctf_event *event = NULL;
2035         struct bt_ctf_field *ret_field = NULL;
2036         struct bt_ctf_field_type *ret_field_type = NULL;
2037         uint64_t ret_uint64;
2038         int events_appended = 0;
2039         struct bt_ctf_field *packet_context = NULL,
2040                 *packet_context_field = NULL, *stream_event_context = NULL;
2041         struct bt_ctf_field_type *ep_field_1_type = NULL;
2042         struct bt_ctf_field_type *ep_a_string_type = NULL;
2043         struct bt_ctf_field_type *ep_type = NULL;
2044
2045         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2046                 "field_1");
2047         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2048                 "a_string");
2049         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2050         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2051         if (ret) {
2052                 goto end;
2053         }
2054
2055         /*
2056          * bt_ctf_stream_class_add_event_class() copies the field types
2057          * of event_class, so we retrieve the new ones to create the
2058          * appropriate fields.
2059          */
2060         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2061         assert(ep_type);
2062         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2063                 ep_type, "field_1");
2064         assert(ep_field_1_type);
2065         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2066                 ep_type, "a_string");
2067         assert(ep_a_string_type);
2068
2069         event = bt_ctf_event_create(event_class);
2070         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2071         ret_field_type = bt_ctf_field_get_type(ret_field);
2072         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2073                 "bt_ctf_event_get_payload_by_index returns a correct field");
2074         bt_put(ret_field_type);
2075         bt_put(ret_field);
2076
2077         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2078                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2079         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2080                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2081         bt_put(event);
2082
2083         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2084                 event = bt_ctf_event_create(event_class);
2085                 struct bt_ctf_field *integer =
2086                         bt_ctf_field_create(ep_field_1_type);
2087                 struct bt_ctf_field *string =
2088                         bt_ctf_field_create(ep_a_string_type);
2089
2090                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2091                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2092                 ret |= bt_ctf_event_set_payload(event, "field_1",
2093                         integer);
2094                 bt_put(integer);
2095                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2096                 ret |= bt_ctf_event_set_payload(event, "a_string",
2097                         string);
2098                 bt_put(string);
2099
2100                 /* Populate stream event context */
2101                 stream_event_context =
2102                         bt_ctf_event_get_stream_event_context(event);
2103                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2104                         "common_event_context");
2105                 BT_PUT(stream_event_context);
2106                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2107                         i % 42);
2108                 bt_put(integer);
2109
2110                 ret |= bt_ctf_stream_append_event(stream, event);
2111                 bt_put(event);
2112
2113                 if (ret) {
2114                         break;
2115                 }
2116         }
2117
2118         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2119         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2120                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2121         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2122                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2123         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2124         ok(ret == 0 && ret_uint64 == 0,
2125                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2126         bt_ctf_stream_append_discarded_events(stream, 1000);
2127         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2128         ok(ret == 0 && ret_uint64 == 1000,
2129                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2130
2131 end:
2132         ok(events_appended, "Append 100 000 events to a stream");
2133
2134         /*
2135          * Populate the custom packet context field with a dummy value
2136          * otherwise flush will fail.
2137          */
2138         packet_context = bt_ctf_stream_get_packet_context(stream);
2139         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2140                 "custom_packet_context_field");
2141         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2142
2143         ok(bt_ctf_stream_flush(stream) == 0,
2144                 "Flush a stream that forces a packet resize");
2145         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2146         ok(ret == 0 && ret_uint64 == 1000,
2147                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2148         bt_put(integer_type);
2149         bt_put(string_type);
2150         bt_put(packet_context);
2151         bt_put(packet_context_field);
2152         bt_put(stream_event_context);
2153         bt_put(event_class);
2154         bt_put(ep_field_1_type);
2155         bt_put(ep_a_string_type);
2156         bt_put(ep_type);
2157 }
2158
2159 static
2160 void test_empty_stream(struct bt_ctf_writer *writer)
2161 {
2162         int ret = 0;
2163         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2164         struct bt_ctf_stream_class *stream_class = NULL;
2165         struct bt_ctf_stream *stream = NULL;
2166
2167         trace = bt_ctf_writer_get_trace(writer);
2168         if (!trace) {
2169                 diag("Failed to get trace from writer");
2170                 ret = -1;
2171                 goto end;
2172         }
2173
2174         stream_class = bt_ctf_stream_class_create("empty_stream");
2175         if (!stream_class) {
2176                 diag("Failed to create stream class");
2177                 ret = -1;
2178                 goto end;
2179         }
2180
2181         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2182                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2183         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2184                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2185
2186         stream = bt_ctf_writer_create_stream(writer, stream_class);
2187         if (!stream) {
2188                 diag("Failed to create writer stream");
2189                 ret = -1;
2190                 goto end;
2191         }
2192
2193         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2194         ok(ret_trace == trace,
2195                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2196 end:
2197         ok(ret == 0,
2198                 "Created a stream class with default attributes and an empty stream");
2199         bt_put(trace);
2200         bt_put(ret_trace);
2201         bt_put(stream);
2202         bt_put(stream_class);
2203 }
2204
2205 static
2206 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2207                         struct bt_ctf_clock *clock)
2208 {
2209         int i, ret;
2210         struct bt_ctf_stream_class *stream_class = NULL;
2211         struct bt_ctf_stream *stream = NULL;
2212         struct bt_ctf_field_type *integer_type = NULL,
2213                 *sequence_type = NULL, *event_header_type = NULL;
2214         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2215                 *event_header = NULL, *packet_header = NULL;
2216         struct bt_ctf_event_class *event_class = NULL;
2217         struct bt_ctf_event *event = NULL;
2218
2219         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2220         if (!stream_class) {
2221                 fail("Failed to create stream class");
2222                 goto end;
2223         }
2224
2225         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2226         if (ret) {
2227                 fail("Failed to set stream class clock");
2228                 goto end;
2229         }
2230
2231         /*
2232          * Customize event header to add an "seq_len" integer member
2233          * which will be used as the length of a sequence in an event of this
2234          * stream.
2235          */
2236         event_header_type = bt_ctf_stream_class_get_event_header_type(
2237                 stream_class);
2238         if (!event_header_type) {
2239                 fail("Failed to get event header type");
2240                 goto end;
2241         }
2242
2243         integer_type = bt_ctf_field_type_integer_create(13);
2244         if (!integer_type) {
2245                 fail("Failed to create length integer type");
2246                 goto end;
2247         }
2248
2249         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2250                 integer_type, "seq_len");
2251         if (ret) {
2252                 fail("Failed to add a new field to stream event header");
2253                 goto end;
2254         }
2255
2256         event_class = bt_ctf_event_class_create("sequence_event");
2257         if (!event_class) {
2258                 fail("Failed to create event class");
2259                 goto end;
2260         }
2261
2262         /*
2263          * This event's payload will contain a sequence which references
2264          * stream.event.header.seq_len as its length field.
2265          */
2266         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2267                 "stream.event.header.seq_len");
2268         if (!sequence_type) {
2269                 fail("Failed to create a sequence");
2270                 goto end;
2271         }
2272
2273         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2274                 "some_sequence");
2275         if (ret) {
2276                 fail("Failed to add a sequence to an event class");
2277                 goto end;
2278         }
2279
2280         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2281         if (ret) {
2282                 fail("Failed to add event class to stream class");
2283                 goto end;
2284         }
2285
2286         stream = bt_ctf_writer_create_stream(writer, stream_class);
2287         if (!stream) {
2288                 fail("Failed to create stream")
2289                 goto end;
2290         }
2291
2292         /*
2293          * We have defined a custom packet header field. We have to populate it
2294          * explicitly.
2295          */
2296         packet_header = bt_ctf_stream_get_packet_header(stream);
2297         if (!packet_header) {
2298                 fail("Failed to get stream packet header");
2299                 goto end;
2300         }
2301
2302         integer = bt_ctf_field_structure_get_field(packet_header,
2303                 "custom_trace_packet_header_field");
2304         if (!integer) {
2305                 fail("Failed to retrieve custom_trace_packet_header_field");
2306                 goto end;
2307         }
2308
2309         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2310         if (ret) {
2311                 fail("Failed to set custom_trace_packet_header_field value");
2312                 goto end;
2313         }
2314         bt_put(integer);
2315
2316         event = bt_ctf_event_create(event_class);
2317         if (!event) {
2318                 fail("Failed to create event");
2319                 goto end;
2320         }
2321
2322         event_header = bt_ctf_event_get_header(event);
2323         if (!event_header) {
2324                 fail("Failed to get event header");
2325                 goto end;
2326         }
2327
2328         integer = bt_ctf_field_structure_get_field(event_header,
2329                 "seq_len");
2330         if (!integer) {
2331                 fail("Failed to get seq_len field from event header");
2332                 goto end;
2333         }
2334
2335         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2336         if (ret) {
2337                 fail("Failed to set seq_len value in event header");
2338                 goto end;
2339         }
2340
2341         /* Populate both sequence integer fields */
2342         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2343         if (!sequence) {
2344                 fail("Failed to retrieve sequence from event");
2345                 goto end;
2346         }
2347
2348         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2349         if (ret) {
2350                 fail("Failed to set sequence length");
2351                 goto end;
2352         }
2353         bt_put(integer);
2354
2355         for (i = 0; i < 2; i++) {
2356                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2357                 if (ret) {
2358                         fail("Failed to retrieve sequence element");
2359                         goto end;
2360                 }
2361
2362                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2363                 if (ret) {
2364                         fail("Failed to set sequence element value");
2365                         goto end;
2366                 }
2367
2368                 bt_put(integer);
2369                 integer = NULL;
2370         }
2371
2372         ret = bt_ctf_stream_append_event(stream, event);
2373         if (ret) {
2374                 fail("Failed to append event to stream");
2375                 goto end;
2376         }
2377
2378         ret = bt_ctf_stream_flush(stream);
2379         if (ret) {
2380                 fail("Failed to flush custom_event_header stream");
2381         }
2382 end:
2383         bt_put(stream);
2384         bt_put(stream_class);
2385         bt_put(event_class);
2386         bt_put(event);
2387         bt_put(integer);
2388         bt_put(sequence);
2389         bt_put(event_header);
2390         bt_put(packet_header);
2391         bt_put(sequence_type);
2392         bt_put(integer_type);
2393         bt_put(event_header_type);
2394 }
2395
2396 static
2397 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2398                 struct bt_ctf_clock *clock)
2399 {
2400         int ret = 0;
2401         struct bt_ctf_stream_class *stream_class = NULL;
2402         struct bt_ctf_stream *stream = NULL,
2403                 *ret_stream = NULL;
2404         struct bt_ctf_event_class *event_class = NULL;
2405         struct bt_ctf_event *event = NULL;
2406         struct bt_ctf_field_type *integer_type = NULL;
2407         struct bt_ctf_field *integer = NULL;
2408
2409         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2410         if (!stream_class) {
2411                 diag("Failed to create stream class");
2412                 ret = -1;
2413                 goto end;
2414         }
2415
2416         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2417         if (ret) {
2418                 diag("Failed to set stream class clock");
2419                 goto end;
2420         }
2421
2422         event_class = bt_ctf_event_class_create("some_event_class_name");
2423         integer_type = bt_ctf_field_type_integer_create(32);
2424         if (!integer_type) {
2425                 diag("Failed to create integer field type");
2426                 ret = -1;
2427                 goto end;
2428         }
2429
2430         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2431                 "integer_field");
2432         if (ret) {
2433                 diag("Failed to add field to event class");
2434                 goto end;
2435         }
2436
2437         ret = bt_ctf_stream_class_add_event_class(stream_class,
2438                 event_class);
2439         if (ret) {
2440                 diag("Failed to add event class to stream class");
2441         }
2442
2443         event = bt_ctf_event_create(event_class);
2444         if (!event) {
2445                 diag("Failed to create event");
2446                 ret = -1;
2447                 goto end;
2448         }
2449
2450         integer = bt_ctf_event_get_payload_by_index(event, 0);
2451         if (!integer) {
2452                 diag("Failed to get integer field payload from event");
2453                 ret = -1;
2454                 goto end;
2455         }
2456
2457         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2458         if (ret) {
2459                 diag("Failed to set integer field value");
2460                 goto end;
2461         }
2462
2463         stream = bt_ctf_writer_create_stream(writer, stream_class);
2464         if (!stream) {
2465                 diag("Failed to create writer stream");
2466                 ret = -1;
2467                 goto end;
2468         }
2469
2470         ok(bt_ctf_event_get_stream(NULL) == NULL,
2471                 "bt_ctf_event_get_stream handles NULL correctly");
2472         ok(bt_ctf_event_get_stream(event) == NULL,
2473                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2474
2475         ret = bt_ctf_stream_append_event(stream, event);
2476         if (ret) {
2477                 diag("Failed to append event to stream");
2478                 goto end;
2479         }
2480
2481         ret_stream = bt_ctf_event_get_stream(event);
2482         ok(ret_stream == stream,
2483                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2484 end:
2485         ok(ret == 0,
2486                 "Create an event before instanciating its associated stream");
2487         bt_put(stream);
2488         bt_put(ret_stream);
2489         bt_put(stream_class);
2490         bt_put(event_class);
2491         bt_put(event);
2492         bt_put(integer_type);
2493         bt_put(integer);
2494 }
2495
2496 static
2497 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2498 {
2499         struct bt_ctf_event_class *event_class;
2500
2501         event_class = bt_ctf_event_class_create("Simple Event");
2502         assert(event_class);
2503         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2504                 "two event classes with the same name cannot cohabit within the same stream class");
2505         bt_put(event_class);
2506
2507         event_class = bt_ctf_event_class_create("different name, ok");
2508         assert(event_class);
2509         assert(!bt_ctf_event_class_set_id(event_class, 11));
2510         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2511                 "two event classes with the same ID cannot cohabit within the same stream class");
2512         bt_put(event_class);
2513 }
2514
2515 static
2516 struct bt_ctf_event_class *create_minimal_event_class(void)
2517 {
2518         struct bt_ctf_event_class *ec = NULL;
2519         struct bt_ctf_field_type *int_ft = NULL;
2520         int ret;
2521
2522         int_ft = bt_ctf_field_type_integer_create(23);
2523         assert(int_ft);
2524         ec = bt_ctf_event_class_create("minimal");
2525         assert(ec);
2526         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2527         assert(!ret);
2528         BT_PUT(int_ft);
2529
2530         return ec;
2531 }
2532
2533 static
2534 void test_create_writer_vs_non_writer_mode(void)
2535 {
2536         int ret;
2537         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2538         const char *writer_stream_name = "writer stream instance";
2539         struct bt_ctf_writer *writer = NULL;
2540         struct bt_ctf_trace *writer_trace = NULL;
2541         struct bt_ctf_stream_class *writer_sc = NULL;
2542         struct bt_ctf_stream *writer_stream = NULL;
2543         struct bt_ctf_stream *writer_stream2 = NULL;
2544         struct bt_ctf_stream *packet_stream = NULL;
2545         struct bt_ctf_trace *non_writer_trace = NULL;
2546         struct bt_ctf_stream_class *non_writer_sc = NULL;
2547         struct bt_ctf_stream *non_writer_stream = NULL;
2548         struct bt_ctf_stream *non_writer_stream2 = NULL;
2549         struct bt_ctf_event_class *writer_ec = NULL;
2550         struct bt_ctf_event_class *non_writer_ec = NULL;
2551         struct bt_ctf_event *event = NULL;
2552         struct bt_ctf_event *event2 = NULL;
2553         struct bt_ctf_field_type *empty_struct_ft = NULL;
2554         struct bt_ctf_field *int_field = NULL;
2555         struct bt_ctf_clock *writer_clock = NULL;
2556         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2557         struct bt_ctf_packet *packet = NULL;
2558         struct bt_ctf_packet *packet2 = NULL;
2559
2560         if (!bt_mkdtemp(trace_path)) {
2561                 perror("# perror");
2562         }
2563
2564         /* Create empty structure field type (event header) */
2565         empty_struct_ft = bt_ctf_field_type_structure_create();
2566         assert(empty_struct_ft);
2567
2568         /* Create writer, writer stream class, stream, and clock */
2569         writer = bt_ctf_writer_create(trace_path);
2570         assert(writer);
2571         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2572         assert(!ret);
2573         writer_trace = bt_ctf_writer_get_trace(writer);
2574         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2575         writer_sc = bt_ctf_stream_class_create("writer_sc");
2576         assert(writer_sc);
2577         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2578                 empty_struct_ft);
2579         assert(!ret);
2580         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2581         assert(!ret);
2582         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2583         assert(writer_stream);
2584         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2585                 "bt_ctf_stream_get_name() returns the stream's name");
2586         writer_clock = bt_ctf_clock_create("writer_clock");
2587         assert(writer_clock);
2588         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2589         assert(!ret);
2590
2591         /* Create non-writer trace, stream class, stream, and clock */
2592         non_writer_trace = bt_ctf_trace_create();
2593         assert(non_writer_trace);
2594         ret = bt_ctf_trace_set_native_byte_order(non_writer_trace,
2595                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2596         assert(!ret);
2597         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2598         assert(non_writer_sc);
2599         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2600                 empty_struct_ft);
2601         assert(!ret);
2602         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2603         assert(!ret);
2604         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2605         assert(non_writer_stream);
2606         non_writer_clock_class =
2607                 bt_ctf_clock_class_create("non_writer_clock_class");
2608         assert(non_writer_clock_class);
2609         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2610                 non_writer_clock_class);
2611         assert(!ret);
2612
2613         /* Create event class and event */
2614         writer_ec = create_minimal_event_class();
2615         assert(writer_ec);
2616         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2617         assert(!ret);
2618         event = bt_ctf_event_create(writer_ec);
2619         assert(event);
2620         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2621         assert(int_field);
2622         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2623
2624         /*
2625          * Verify non-writer stream: it should be impossible to append
2626          * an event to it.
2627          */
2628         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2629                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2630
2631         /*
2632          * Verify writer stream: it should be possible to append an
2633          * event to it.
2634          */
2635         ok(!bt_ctf_stream_append_event(writer_stream, event),
2636                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2637
2638         /*
2639          * It should be possible to create a packet from a non-writer
2640          * stream, but not from a writer stream.
2641          */
2642         packet = bt_ctf_packet_create(writer_stream);
2643         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2644         packet = bt_ctf_packet_create(non_writer_stream);
2645         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2646         packet_stream = bt_ctf_packet_get_stream(packet);
2647         ok(packet_stream == non_writer_stream,
2648                 "bt_ctf_packet_get_stream() returns the correct stream");
2649
2650         /*
2651          * It should not be possible to append an event associated to
2652          * a stream to a different stream.
2653          */
2654         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2655         assert(writer_stream2);
2656         ok(bt_ctf_stream_append_event(writer_stream2, event),
2657                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2658
2659         /*
2660          * It should not be possible to set the packet of an event
2661          * associated to a given stream to a packet associated with
2662          * a different stream.
2663          */
2664         ok(bt_ctf_event_set_packet(event, packet),
2665                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2666
2667         /*
2668          * It should be possible to set the packet of a fresh event, as
2669          * long as the originating stream classes are the same.
2670          */
2671         event2 = bt_ctf_event_create(writer_ec);
2672         assert(event2);
2673         ok(bt_ctf_event_set_packet(event2, packet),
2674                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2675         non_writer_ec = create_minimal_event_class();
2676         assert(non_writer_ec);
2677         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2678         assert(!ret);
2679         BT_PUT(event2);
2680         event2 = bt_ctf_event_create(non_writer_ec);
2681         assert(event2);
2682         ok(!bt_ctf_event_set_packet(event2, packet),
2683                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2684
2685         /*
2686          * It should be possible to set a packet created from the same
2687          * stream to an event with an existing packet.
2688          */
2689         packet2 = bt_ctf_packet_create(non_writer_stream);
2690         assert(packet2);
2691         ok(!bt_ctf_event_set_packet(event2, packet2),
2692                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2693         BT_PUT(packet2);
2694
2695         /*
2696          * It should not be possible to set a packet created from a
2697          * different stream to an event with an existing packet.
2698          */
2699         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2700         assert(non_writer_stream2);
2701         packet2 = bt_ctf_packet_create(non_writer_stream);
2702         assert(packet2);
2703         ok(!bt_ctf_event_set_packet(event2, packet2),
2704                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2705
2706         bt_put(writer);
2707         bt_put(writer_trace);
2708         bt_put(writer_sc);
2709         bt_put(writer_stream);
2710         bt_put(writer_stream2);
2711         bt_put(non_writer_trace);
2712         bt_put(non_writer_sc);
2713         bt_put(non_writer_stream);
2714         bt_put(non_writer_stream2);
2715         bt_put(packet_stream);
2716         bt_put(writer_ec);
2717         bt_put(non_writer_ec);
2718         bt_put(event);
2719         bt_put(event2);
2720         bt_put(int_field);
2721         bt_put(empty_struct_ft);
2722         bt_put(writer_clock);
2723         bt_put(non_writer_clock_class);
2724         bt_put(packet);
2725         bt_put(packet2);
2726         recursive_rmdir(trace_path);
2727 }
2728
2729 static
2730 void test_clock_utils(void)
2731 {
2732         int ret;
2733         struct bt_ctf_clock *clock = NULL;
2734
2735         clock = bt_ctf_clock_create("water");
2736         assert(clock);
2737         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2738         assert(!ret);
2739         ret = bt_ctf_clock_set_offset(clock, 1000);
2740         assert(!ret);
2741         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2742         assert(!ret);
2743         ret = bt_ctf_clock_set_frequency(clock, 1534);
2744         assert(!ret);
2745
2746         BT_PUT(clock);
2747 }
2748
2749 void test_set_clock_non_writer_stream_class(void)
2750 {
2751         struct bt_ctf_clock *clock;
2752         struct bt_ctf_trace *trace;
2753         struct bt_ctf_stream_class *sc;
2754         int ret;
2755
2756         clock = bt_ctf_clock_create("the_clock");
2757         assert(clock);
2758
2759         trace = bt_ctf_trace_create();
2760         assert(trace);
2761
2762         sc = bt_ctf_stream_class_create(NULL);
2763         assert(sc);
2764
2765         ret = bt_ctf_stream_class_set_clock(sc, clock);
2766         assert(ret == 0);
2767
2768         ret = bt_ctf_trace_add_stream_class(trace, sc);
2769         ok(ret < 0,
2770                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2771
2772         bt_put(clock);
2773         bt_put(trace);
2774         bt_put(sc);
2775 }
2776
2777 static
2778 void test_static_trace(void)
2779 {
2780         struct bt_ctf_trace *trace;
2781         struct bt_ctf_stream_class *stream_class;
2782         struct bt_ctf_stream_class *stream_class2;
2783         struct bt_ctf_stream *stream;
2784         struct bt_ctf_clock_class *clock_class;
2785         int ret;
2786
2787         trace = bt_ctf_trace_create();
2788         assert(trace);
2789         ret = bt_ctf_trace_set_native_byte_order(trace,
2790                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2791         assert(ret == 0);
2792         stream_class = bt_ctf_stream_class_create(NULL);
2793         assert(stream_class);
2794         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2795         assert(ret == 0);
2796         stream = bt_ctf_stream_create(stream_class, "hello");
2797         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2798         bt_put(stream);
2799         ok(!bt_ctf_trace_is_static(trace),
2800                 "bt_ctf_trace_is_static() returns the expected value");
2801         ok(bt_ctf_trace_set_is_static(trace) == 0,
2802                 "bt_ctf_trace_set_is_static() succeeds");
2803         ok(bt_ctf_trace_is_static(trace),
2804                 "bt_ctf_trace_is_static() returns the expected value");
2805         clock_class = bt_ctf_clock_class_create("yes");
2806         assert(clock_class);
2807         stream_class2 = bt_ctf_stream_class_create(NULL);
2808         assert(stream_class2);
2809         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2810                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2811         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2812                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2813         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2814                 "bt_ctf_stream_create() fails with a static trace");
2815
2816         bt_put(trace);
2817         bt_put(stream_class);
2818         bt_put(stream_class2);
2819         bt_put(clock_class);
2820 }
2821
2822 int main(int argc, char **argv)
2823 {
2824         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2825         char metadata_path[sizeof(trace_path) + 9];
2826         const char *clock_name = "test_clock";
2827         const char *clock_description = "This is a test clock";
2828         const char *returned_clock_name;
2829         const char *returned_clock_description;
2830         const uint64_t frequency = 1123456789;
2831         const int64_t offset_s = 1351530929945824323;
2832         const int64_t offset = 1234567;
2833         int64_t get_offset_s,
2834                 get_offset;
2835         const uint64_t precision = 10;
2836         const int is_absolute = 0xFF;
2837         char *metadata_string;
2838         struct bt_ctf_writer *writer;
2839         struct utsname name;
2840         char hostname[BABELTRACE_HOST_NAME_MAX];
2841         struct bt_ctf_clock *clock, *ret_clock;
2842         struct bt_ctf_clock_class *ret_clock_class;
2843         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2844         struct bt_ctf_stream *stream1;
2845         struct bt_ctf_stream *stream;
2846         const char *ret_string;
2847         const unsigned char *ret_uuid;
2848         unsigned char tmp_uuid[16] = { 0 };
2849         struct bt_ctf_field_type *packet_context_type,
2850                 *packet_context_field_type,
2851                 *packet_header_type,
2852                 *packet_header_field_type,
2853                 *integer_type,
2854                 *stream_event_context_type,
2855                 *ret_field_type,
2856                 *event_header_field_type;
2857         struct bt_ctf_field *packet_header, *packet_header_field;
2858         struct bt_ctf_trace *trace;
2859         int ret;
2860         int64_t ret_int64_t;
2861         struct bt_value *obj;
2862
2863         if (argc < 2) {
2864                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2865                 return -1;
2866         }
2867
2868         plan_tests(NR_TESTS);
2869
2870         if (!bt_mkdtemp(trace_path)) {
2871                 perror("# perror");
2872         }
2873
2874         strcpy(metadata_path, trace_path);
2875         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2876
2877         writer = bt_ctf_writer_create(trace_path);
2878         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2879
2880         ok(!bt_ctf_writer_get_trace(NULL),
2881                 "bt_ctf_writer_get_trace correctly handles NULL");
2882         trace = bt_ctf_writer_get_trace(writer);
2883         ok(trace,
2884                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2885         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2886                 "Set a trace's byte order to big endian");
2887         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2888                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2889
2890         /* Add environment context to the trace */
2891         ret = gethostname(hostname, sizeof(hostname));
2892         if (ret < 0) {
2893                 return ret;
2894         }
2895         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2896                 "Add host (%s) environment field to writer instance",
2897                 hostname);
2898         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2899                 "test_value"),
2900                 "bt_ctf_writer_add_environment_field error with NULL writer");
2901         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2902                 "test_value"),
2903                 "bt_ctf_writer_add_environment_field error with NULL field name");
2904         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2905                 NULL),
2906                 "bt_ctf_writer_add_environment_field error with NULL field value");
2907
2908         /* Test bt_ctf_trace_set_environment_field with an integer object */
2909         obj = bt_value_integer_create_init(23);
2910         assert(obj);
2911         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2912                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2913         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2914                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2915         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2916                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2917         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2918                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2919         BT_PUT(obj);
2920
2921         /* Test bt_ctf_trace_set_environment_field with a string object */
2922         obj = bt_value_string_create_init("the value");
2923         assert(obj);
2924         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2925                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2926         BT_PUT(obj);
2927
2928         /* Test bt_ctf_trace_set_environment_field_integer */
2929         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2930                 -194875),
2931                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2932         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2933                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2934         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2935                 -164973),
2936                 "bt_ctf_trace_set_environment_field_integer succeeds");
2937
2938         /* Test bt_ctf_trace_set_environment_field_string */
2939         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2940                 "yeah"),
2941                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2942         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2943                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2944         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2945                 NULL),
2946                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2947         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2948                 "oh yeah"),
2949                 "bt_ctf_trace_set_environment_field_string succeeds");
2950
2951         /* Test bt_ctf_trace_get_environment_field_count */
2952         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2953                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2954         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2955                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2956
2957         /* Test bt_ctf_trace_get_environment_field_name */
2958         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2959                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2960         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, -1) == NULL,
2961                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2962         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2963                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2964         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2965         ok(ret_string && !strcmp(ret_string, "host"),
2966                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2967         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2968         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2969                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2970         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2971         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2972                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2973         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
2974         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2975                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2976         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
2977         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2978                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2979
2980         /* Test bt_ctf_trace_get_environment_field_value */
2981         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
2982                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2983         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, -1) == NULL,
2984                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2985         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
2986                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2987         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
2988         ret = bt_value_integer_get(obj, &ret_int64_t);
2989         ok(!ret && ret_int64_t == 23,
2990                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2991         BT_PUT(obj);
2992         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
2993         ret = bt_value_string_get(obj, &ret_string);
2994         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2995                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2996         BT_PUT(obj);
2997
2998         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2999         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3000                 "test_env_str"),
3001                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3002         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3003                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3004         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3005                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3006         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3007                 "test_env_str");
3008         ret = bt_value_string_get(obj, &ret_string);
3009         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3010                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3011         BT_PUT(obj);
3012
3013         /* Test environment field replacement */
3014         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3015                 654321),
3016                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3017         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3018                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3019         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3020         ret = bt_value_integer_get(obj, &ret_int64_t);
3021         ok(!ret && ret_int64_t == 654321,
3022                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3023         BT_PUT(obj);
3024
3025         /* On Solaris, uname() can return any positive value on success */
3026         if (uname(&name) < 0) {
3027                 perror("uname");
3028                 return -1;
3029         }
3030
3031         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3032                 == 0, "Add sysname (%s) environment field to writer instance",
3033                 name.sysname);
3034         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3035                 name.nodename) == 0,
3036                 "Add nodename (%s) environment field to writer instance",
3037                 name.nodename);
3038         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3039                 == 0, "Add release (%s) environment field to writer instance",
3040                 name.release);
3041         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3042                 == 0, "Add version (%s) environment field to writer instance",
3043                 name.version);
3044         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3045                 == 0, "Add machine (%s) environment field to writer istance",
3046                 name.machine);
3047
3048         /* Define a clock and add it to the trace */
3049         ok(bt_ctf_clock_create("signed") == NULL,
3050                 "Illegal clock name rejected");
3051         clock = bt_ctf_clock_create(clock_name);
3052         ok(clock, "Clock created sucessfully");
3053         returned_clock_name = bt_ctf_clock_get_name(clock);
3054         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3055         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3056                 "Returned clock name is valid");
3057
3058         returned_clock_description = bt_ctf_clock_get_description(clock);
3059         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3060         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3061                 "Clock description set successfully");
3062
3063         returned_clock_description = bt_ctf_clock_get_description(clock);
3064         ok(returned_clock_description,
3065                 "bt_ctf_clock_get_description returns a description.");
3066         ok(returned_clock_description ?
3067                 !strcmp(returned_clock_description, clock_description) : 0,
3068                 "Returned clock description is valid");
3069
3070         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3071                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3072         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3073                 "Set clock frequency");
3074         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3075                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3076
3077         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3078                 "bt_ctf_clock_get_offset_s succeeds");
3079         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3080                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3081         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3082                 "Set clock offset (seconds)");
3083         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3084                 "bt_ctf_clock_get_offset_s succeeds");
3085         ok(get_offset_s == offset_s,
3086                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3087
3088         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3089                 "bt_ctf_clock_get_offset succeeds");
3090         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3091                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3092         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3093         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3094                 "bt_ctf_clock_get_offset succeeds");
3095         ok(get_offset == offset,
3096                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3097
3098         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3099                 "bt_ctf_clock_get_precision returns the correct default precision");
3100         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3101                 "Set clock precision");
3102         ok(bt_ctf_clock_get_precision(clock) == precision,
3103                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3104
3105         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3106                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3107         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3108                 "Set clock absolute property");
3109         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3110                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3111
3112         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3113                 "Set clock time");
3114
3115         ok(!bt_ctf_clock_get_name(NULL),
3116                 "bt_ctf_clock_get_name correctly handles NULL");
3117         ok(!bt_ctf_clock_get_description(NULL),
3118                 "bt_ctf_clock_get_description correctly handles NULL");
3119         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3120                 "bt_ctf_clock_get_frequency correctly handles NULL");
3121         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3122                 "bt_ctf_clock_get_precision correctly handles NULL");
3123         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3124                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3125         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3126                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3127         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3128                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3129         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3130                 "bt_ctf_clock_get_offset correctly handles NULL output");
3131         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3132                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3133
3134         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3135                 "bt_ctf_clock_set_description correctly handles NULL clock");
3136         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3137                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3138         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3139                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3140         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3141                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3142         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3143                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3144         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3145                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3146         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3147                 "bt_ctf_clock_set_time correctly handles NULL clock");
3148         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3149                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3150         ret_uuid = bt_ctf_clock_get_uuid(clock);
3151         ok(ret_uuid,
3152                 "bt_ctf_clock_get_uuid returns a UUID");
3153         if (ret_uuid) {
3154                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3155                 /* Slightly modify UUID */
3156                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3157         }
3158
3159         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3160                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3161         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3162                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3163         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3164                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3165         ret_uuid = bt_ctf_clock_get_uuid(clock);
3166         ok(ret_uuid,
3167                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3168         ok(uuid_match(ret_uuid, tmp_uuid),
3169                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3170
3171         /* Define a stream class */
3172         stream_class = bt_ctf_stream_class_create("test_stream");
3173
3174         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3175                 "bt_ctf_stream_class_get_name handles NULL correctly");
3176         ret_string = bt_ctf_stream_class_get_name(stream_class);
3177         ok(ret_string && !strcmp(ret_string, "test_stream"),
3178                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3179
3180         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3181                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3182         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3183                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3184
3185         ok(stream_class, "Create stream class");
3186         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3187                 "Set a stream class' clock");
3188         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3189         ok(ret_clock == clock,
3190                 "bt_ctf_stream_class_get_clock returns a correct clock");
3191         bt_put(ret_clock);
3192
3193         /* Test the event fields and event types APIs */
3194         type_field_tests();
3195
3196         /* Test fields copying */
3197         field_copy_tests();
3198
3199         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3200                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3201         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3202                 "bt_ctf_stream_class_get_id handles NULL correctly");
3203         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3204                 "bt_ctf_stream_class_set_id handles NULL correctly");
3205         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3206                 "Set an stream class' id");
3207         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3208                 "bt_ctf_stream_class_get_id returns the correct value");
3209
3210         /* Validate default event header fields */
3211         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3212                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3213         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3214                 stream_class);
3215         ok(ret_field_type,
3216                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3217         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3218                 "Default event header type is a structure");
3219         event_header_field_type =
3220                 bt_ctf_field_type_structure_get_field_type_by_name(
3221                 ret_field_type, "id");
3222         ok(event_header_field_type,
3223                 "Default event header type contains an \"id\" field");
3224         ok(bt_ctf_field_type_get_type_id(
3225                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3226                 "Default event header \"id\" field is an integer");
3227         bt_put(event_header_field_type);
3228         event_header_field_type =
3229                 bt_ctf_field_type_structure_get_field_type_by_name(
3230                 ret_field_type, "timestamp");
3231         ok(event_header_field_type,
3232                 "Default event header type contains a \"timestamp\" field");
3233         ok(bt_ctf_field_type_get_type_id(
3234                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3235                 "Default event header \"timestamp\" field is an integer");
3236         bt_put(event_header_field_type);
3237         bt_put(ret_field_type);
3238
3239         /* Add a custom trace packet header field */
3240         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3241                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3242         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3243         ok(packet_header_type,
3244                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3245         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3246                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3247         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3248                 packet_header_type, "magic");
3249         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3250         bt_put(ret_field_type);
3251         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3252                 packet_header_type, "uuid");
3253         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3254         bt_put(ret_field_type);
3255         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3256                 packet_header_type, "stream_id");
3257         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3258         bt_put(ret_field_type);
3259
3260         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3261         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3262                 packet_header_field_type, "custom_trace_packet_header_field"),
3263                 "Added a custom trace packet header field successfully");
3264
3265         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3266                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3267         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3268                 "Set a trace packet_header_type successfully");
3269
3270         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3271                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3272
3273         /* Add a custom field to the stream class' packet context */
3274         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3275         ok(packet_context_type,
3276                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3277         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3278                 "Packet context is a structure");
3279
3280         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3281                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3282
3283         integer_type = bt_ctf_field_type_integer_create(32);
3284         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3285                 integer_type) < 0,
3286                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3287         /* Create a "uint5_t" equivalent custom packet context field */
3288         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3289
3290         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3291                 packet_context_field_type, "custom_packet_context_field");
3292         ok(ret == 0, "Packet context field added successfully");
3293
3294         /* Define a stream event context containing a my_integer field. */
3295         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3296                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3297         ok(bt_ctf_stream_class_get_event_context_type(
3298                 stream_class) == NULL,
3299                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3300         stream_event_context_type = bt_ctf_field_type_structure_create();
3301         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3302                 integer_type, "common_event_context");
3303
3304         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3305                 stream_event_context_type) < 0,
3306                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3307         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3308                 integer_type) < 0,
3309                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3310
3311         ok(bt_ctf_stream_class_set_event_context_type(
3312                 stream_class, stream_event_context_type) == 0,
3313                 "Set a new stream event context type");
3314         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3315                 stream_class);
3316         ok(ret_field_type == stream_event_context_type,
3317                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3318         bt_put(ret_field_type);
3319
3320         /* Instantiate a stream and append events */
3321         ret = bt_ctf_writer_add_clock(writer, clock);
3322         assert(ret == 0);
3323         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3324                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3325         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3326         ok(stream1, "Instanciate a stream class from writer");
3327         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3328                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3329         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3330         ok(stream == stream1,
3331                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3332         BT_PUT(stream);
3333
3334         /*
3335          * Creating a stream through a writer adds the given stream
3336          * class to the writer's trace, thus registering the stream
3337          * class's clock to the trace.
3338          */
3339         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3340                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3341         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3342                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3343         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3344                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3345         ok(!bt_ctf_trace_get_clock_class_by_index(trace, -1),
3346                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3347         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3348                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3349         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3350         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3351                 bt_ctf_clock_get_name(clock)) == 0,
3352                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3353         bt_put(ret_clock_class);
3354         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3355                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3356         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3357                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3358         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3359                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3360         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3361         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3362                 bt_ctf_clock_get_name(clock)) == 0,
3363                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3364         bt_put(ret_clock_class);
3365         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3366                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3367
3368         ok(bt_ctf_stream_get_class(NULL) == NULL,
3369                 "bt_ctf_stream_get_class correctly handles NULL");
3370         ret_stream_class = bt_ctf_stream_get_class(stream1);
3371         ok(ret_stream_class,
3372                 "bt_ctf_stream_get_class returns a stream class");
3373         ok(ret_stream_class == stream_class,
3374                 "Returned stream class is of the correct type");
3375
3376         /*
3377          * Packet header, packet context, event header, and stream
3378          * event context types were copied for the resolving
3379          * process
3380          */
3381         BT_PUT(packet_header_type);
3382         BT_PUT(packet_context_type);
3383         BT_PUT(stream_event_context_type);
3384         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3385         assert(packet_header_type);
3386         packet_context_type =
3387                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3388         assert(packet_context_type);
3389         stream_event_context_type =
3390                 bt_ctf_stream_class_get_event_context_type(stream_class);
3391         assert(stream_event_context_type);
3392
3393         /*
3394          * Try to modify the packet context type after a stream has been
3395          * created.
3396          */
3397         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3398                 packet_header_field_type, "should_fail");
3399         ok(ret < 0,
3400                 "Trace packet header type can't be modified once a stream has been instanciated");
3401
3402         /*
3403          * Try to modify the packet context type after a stream has been
3404          * created.
3405          */
3406         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3407                 packet_context_field_type, "should_fail");
3408         ok(ret < 0,
3409                 "Packet context type can't be modified once a stream has been instanciated");
3410
3411         /*
3412          * Try to modify the stream event context type after a stream has been
3413          * created.
3414          */
3415         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3416                 integer_type, "should_fail");
3417         ok(ret < 0,
3418                 "Stream event context type can't be modified once a stream has been instanciated");
3419
3420         /* Should fail after instanciating a stream (frozen) */
3421         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3422                 "Changes to a stream class that was already instantiated fail");
3423
3424         /* Populate the custom packet header field only once for all tests */
3425         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3426                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3427         packet_header = bt_ctf_stream_get_packet_header(stream1);
3428         ok(packet_header,
3429                 "bt_ctf_stream_get_packet_header returns a packet header");
3430         ret_field_type = bt_ctf_field_get_type(packet_header);
3431         ok(ret_field_type == packet_header_type,
3432                 "Stream returns a packet header of the appropriate type");
3433         bt_put(ret_field_type);
3434         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3435                 "custom_trace_packet_header_field");
3436         ok(packet_header_field,
3437                 "Packet header structure contains a custom field with the appropriate name");
3438         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3439         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3440                 "Custom packet header field is of the expected type");
3441         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3442                 54321), "Set custom packet header value successfully");
3443         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3444                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3445         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3446                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3447         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3448                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3449         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3450                 "Successfully set a stream's packet header");
3451
3452         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3453                 "Add environment field to writer after stream creation");
3454
3455         test_clock_utils();
3456
3457         test_create_writer_vs_non_writer_mode();
3458
3459         test_set_clock_non_writer_stream_class();
3460
3461         test_instanciate_event_before_stream(writer, clock);
3462
3463         append_simple_event(stream_class, stream1, clock);
3464
3465         packet_resize_test(stream_class, stream1, clock);
3466
3467         append_complex_event(stream_class, stream1, clock);
3468
3469         append_existing_event_class(stream_class);
3470
3471         test_empty_stream(writer);
3472
3473         test_custom_event_header_stream(writer, clock);
3474
3475         test_static_trace();
3476
3477         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3478         ok(metadata_string, "Get metadata string");
3479
3480         bt_ctf_writer_flush_metadata(writer);
3481
3482         bt_put(clock);
3483         bt_put(ret_stream_class);
3484         bt_put(writer);
3485         bt_put(stream1);
3486         bt_put(packet_context_type);
3487         bt_put(packet_context_field_type);
3488         bt_put(integer_type);
3489         bt_put(stream_event_context_type);
3490         bt_put(ret_field_type);
3491         bt_put(packet_header_type);
3492         bt_put(packet_header_field_type);
3493         bt_put(packet_header);
3494         bt_put(packet_header_field);
3495         bt_put(trace);
3496         free(metadata_string);
3497         bt_put(stream_class);
3498
3499         validate_trace(argv[1], trace_path);
3500
3501         //recursive_rmdir(trace_path);
3502         return 0;
3503 }