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(NULL, 0) == NULL,
 420                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 421         ok(bt_ctf_stream_class_get_event_class(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(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(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(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(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(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(event_class,
 908                         i);
 909                 obj = bt_ctf_event_class_get_attribute_value(event_class, i);
 910                 assert(ret_string && obj);
 911
 912                 if (!strcmp(ret_string, "id")) {
 913                         attrs_count.id++;
 914                         ok(bt_value_is_integer(obj),
 915                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 916                                 ret_string);
 917                 } else if (!strcmp(ret_string, "name")) {
 918                         attrs_count.name++;
 919                         ok(bt_value_is_string(obj),
 920                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 921                                 ret_string);
 922                 } else if (!strcmp(ret_string, "loglevel")) {
 923                         attrs_count.loglevel++;
 924                         ok(bt_value_is_integer(obj),
 925                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 926                                 ret_string);
 927                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 928                         attrs_count.modelemfuri++;
 929                         ok(bt_value_is_string(obj),
 930                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 931                                 ret_string);
 932                 } else {
 933                         attrs_count.unknown++;
 934                 }
 935
 936                 BT_PUT(obj);
 937         }
 938
 939         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 940         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 941                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 942                 "event class has one instance of each known attribute");
 943
 944         /* Add event class to the stream class */
 945         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 946                 "Reject addition of NULL event class to a stream class");
 947         ok(bt_ctf_stream_class_add_event_class(stream_class,
 948                 event_class) == 0, "Add an event class to stream class");
 949
 950         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 951                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 952         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 953         ok(ret_stream_class == stream_class,
 954                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 955         bt_put(ret_stream_class);
 956
 957         ok(bt_ctf_event_class_get_field_count(NULL) < 0,
 958                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 959         ok(bt_ctf_event_class_get_field_count(event_class) == 3,
 960                 "bt_ctf_event_class_get_field_count returns a correct value");
 961
 962         ok(bt_ctf_event_class_get_field(NULL, &ret_string,
 963                 &ret_field_type, 0) < 0,
 964                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 965         ok(bt_ctf_event_class_get_field(event_class, NULL,
 966                 &ret_field_type, 0) == 0,
 967                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 968         bt_put(ret_field_type);
 969         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 970                 NULL, 0) == 0,
 971                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 972         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 973                 &ret_field_type, 42) < 0,
 974                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 975         ok(bt_ctf_event_class_get_field(event_class, &ret_string,
 976                 &ret_field_type, 0) == 0,
 977                 "bt_ctf_event_class_get_field returns a field");
 978         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 979                 "bt_ctf_event_class_get_field returns a correct field type");
 980         bt_put(ret_field_type);
 981         ok(!strcmp(ret_string, "uint_35"),
 982                 "bt_ctf_event_class_get_field returns a correct field name");
 983         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 984                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 985         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 986                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 987         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 988                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 989         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 990                 "complex_structure");
 991         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 992                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 993         bt_put(ret_field_type);
 994
 995         event = bt_ctf_event_create(event_class);
 996         ok(event, "Instanciate a complex event");
 997
 998         ok(bt_ctf_event_get_class(NULL) == NULL,
 999                 "bt_ctf_event_get_class handles NULL correctly");
1000         ret_event_class = bt_ctf_event_get_class(event);
1001         ok(ret_event_class == event_class,
1002                 "bt_ctf_event_get_class returns the correct event class");
1003         bt_put(ret_event_class);
1004
1005         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
1006         if (!uint_35_field) {
1007                 printf("uint_35_field is NULL\n");
1008         }
1009
1010         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1011         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1012         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1013                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1014         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1015                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1016         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1017                 &ret_unsigned_int) == 0,
1018                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1019         ok(ret_unsigned_int == 0x0DDF00D,
1020                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1021         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1022                 &ret_signed_int) < 0,
1023                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1024         bt_put(uint_35_field);
1025
1026         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1027         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1028         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1029                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1030         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1031                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1032         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1033                 &ret_signed_int) == 0,
1034                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1035         ok(ret_signed_int == -12345,
1036                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1037         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1038                 &ret_unsigned_int) < 0,
1039                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1040         bt_put(int_16_field);
1041
1042         complex_structure_field = bt_ctf_event_get_payload(event,
1043                 "complex_structure");
1044
1045         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1046                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1047         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1048                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1049         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1050                 complex_structure_field, 3);
1051         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1052         bt_put(inner_structure_field);
1053         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1054                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1055         bt_put(ret_field_type);
1056
1057         inner_structure_field = bt_ctf_field_structure_get_field(
1058                 complex_structure_field, "inner_structure");
1059         a_string_field = bt_ctf_field_structure_get_field(
1060                 complex_structure_field, "a_string");
1061         enum_variant_field = bt_ctf_field_structure_get_field(
1062                 complex_structure_field, "variant_selector");
1063         variant_field = bt_ctf_field_structure_get_field(
1064                 complex_structure_field, "variant_value");
1065         uint_35_field = bt_ctf_field_structure_get_field(
1066                 inner_structure_field, "seq_len");
1067         a_sequence_field = bt_ctf_field_structure_get_field(
1068                 inner_structure_field, "a_sequence");
1069         an_array_field = bt_ctf_field_structure_get_field(
1070                 inner_structure_field, "an_array");
1071
1072         enum_container_field = bt_ctf_field_enumeration_get_container(
1073                 enum_variant_field);
1074         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1075         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1076                 enum_variant_field);
1077         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1078         bt_put(int_16_field);
1079         ok(!bt_ctf_field_string_get_value(a_string_field),
1080                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1081         bt_ctf_field_string_set_value(a_string_field,
1082                 test_string_1);
1083         ok(!bt_ctf_field_string_get_value(NULL),
1084                 "bt_ctf_field_string_get_value correctly handles NULL");
1085         ok(bt_ctf_field_string_append(NULL, "yeah"),
1086                 "bt_ctf_field_string_append correctly handles a NULL string field");
1087         ok(bt_ctf_field_string_append(a_string_field, NULL),
1088                 "bt_ctf_field_string_append correctly handles a NULL string value");
1089         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1090                 "bt_ctf_field_string_append succeeds");
1091         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1092                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1093         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1094                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1095         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1096                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1097         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1098                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1099         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1100                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1101         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1102                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1103
1104         ret_string = bt_ctf_field_string_get_value(a_string_field);
1105         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1106         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1107                 "bt_ctf_field_string_get_value returns a correct value");
1108         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1109                 SEQUENCE_TEST_LENGTH);
1110
1111         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1112                 enum_container_field) == NULL,
1113                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1114         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1115                 NULL) == NULL,
1116                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1117         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1118                 variant_type, enum_variant_field);
1119         ok(ret_field_type == int_16_type,
1120                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1121
1122         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1123                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1124         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1125                 uint_35_field) == 0, "Set a sequence field's length");
1126         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1127         ok(ret_field == uint_35_field,
1128                 "bt_ctf_field_sequence_get_length returns the correct length field");
1129         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1130                 "bt_ctf_field_sequence_get_length properly handles NULL");
1131
1132         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1133                 int_16_field = bt_ctf_field_sequence_get_field(
1134                         a_sequence_field, i);
1135                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1136                 bt_put(int_16_field);
1137         }
1138
1139         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1140                 int_16_field = bt_ctf_field_array_get_field(
1141                         an_array_field, i);
1142                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1143                 bt_put(int_16_field);
1144         }
1145
1146         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1147         assert(stream_event_ctx_field);
1148         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1149                 stream_event_ctx_field, "common_event_context");
1150         BT_PUT(stream_event_ctx_field);
1151         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1152         BT_PUT(stream_event_ctx_int_field);
1153
1154         bt_ctf_clock_set_time(clock, ++current_time);
1155         ok(bt_ctf_stream_append_event(stream, event) == 0,
1156                 "Append a complex event to a stream");
1157
1158         /*
1159          * Populate the custom packet context field with a dummy value
1160          * otherwise flush will fail.
1161          */
1162         packet_context = bt_ctf_stream_get_packet_context(stream);
1163         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1164                 "custom_packet_context_field");
1165         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1166
1167         ok(bt_ctf_stream_flush(stream) == 0,
1168                 "Flush a stream containing a complex event");
1169
1170         bt_put(uint_35_field);
1171         bt_put(a_string_field);
1172         bt_put(inner_structure_field);
1173         bt_put(complex_structure_field);
1174         bt_put(a_sequence_field);
1175         bt_put(an_array_field);
1176         bt_put(enum_variant_field);
1177         bt_put(enum_container_field);
1178         bt_put(variant_field);
1179         bt_put(ret_field);
1180         bt_put(packet_context_field);
1181         bt_put(packet_context);
1182         bt_put(uint_35_type);
1183         bt_put(int_16_type);
1184         bt_put(string_type);
1185         bt_put(sequence_type);
1186         bt_put(array_type);
1187         bt_put(inner_structure_type);
1188         bt_put(complex_structure_type);
1189         bt_put(uint_3_type);
1190         bt_put(enum_variant_type);
1191         bt_put(variant_type);
1192         bt_put(ret_field_type);
1193         bt_put(event_class);
1194         bt_put(event);
1195 }
1196
1197 static
1198 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1199                 struct bt_ctf_field_type *expected_type, const char *name)
1200 {
1201         struct bt_ctf_field_type *copy_type;
1202
1203         copy_type = bt_ctf_field_get_type(field);
1204         ok(copy_type == expected_type,
1205                 "bt_ctf_field_copy does not copy the type (%s)", name);
1206         bt_put(copy_type);
1207 }
1208
1209 static
1210 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1211                 struct bt_ctf_field *field_b, const char *name)
1212 {
1213         ok(field_a != field_b,
1214                 "bt_ctf_field_copy creates different pointers (%s)", name);
1215 }
1216
1217 static
1218 void field_copy_tests()
1219 {
1220         struct bt_ctf_field_type *len_type = NULL;
1221         struct bt_ctf_field_type *fp_type = NULL;
1222         struct bt_ctf_field_type *s_type = NULL;
1223         struct bt_ctf_field_type *e_int_type = NULL;
1224         struct bt_ctf_field_type *e_type = NULL;
1225         struct bt_ctf_field_type *v_type = NULL;
1226         struct bt_ctf_field_type *v_label1_type = NULL;
1227         struct bt_ctf_field_type *v_label1_array_type = NULL;
1228         struct bt_ctf_field_type *v_label2_type = NULL;
1229         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1230         struct bt_ctf_field_type *strct_type = NULL;
1231         struct bt_ctf_field *len = NULL;
1232         struct bt_ctf_field *fp = NULL;
1233         struct bt_ctf_field *s = NULL;
1234         struct bt_ctf_field *e_int = NULL;
1235         struct bt_ctf_field *e = NULL;
1236         struct bt_ctf_field *v = NULL;
1237         struct bt_ctf_field *v_selected = NULL;
1238         struct bt_ctf_field *v_selected_cur = NULL;
1239         struct bt_ctf_field *v_selected_0 = NULL;
1240         struct bt_ctf_field *v_selected_1 = NULL;
1241         struct bt_ctf_field *v_selected_2 = NULL;
1242         struct bt_ctf_field *v_selected_3 = NULL;
1243         struct bt_ctf_field *v_selected_4 = NULL;
1244         struct bt_ctf_field *v_selected_5 = NULL;
1245         struct bt_ctf_field *v_selected_6 = NULL;
1246         struct bt_ctf_field *a = NULL;
1247         struct bt_ctf_field *a_0 = NULL;
1248         struct bt_ctf_field *a_1 = NULL;
1249         struct bt_ctf_field *a_2 = NULL;
1250         struct bt_ctf_field *a_3 = NULL;
1251         struct bt_ctf_field *a_4 = NULL;
1252         struct bt_ctf_field *strct = NULL;
1253         struct bt_ctf_field *len_copy = NULL;
1254         struct bt_ctf_field *fp_copy = NULL;
1255         struct bt_ctf_field *s_copy = NULL;
1256         struct bt_ctf_field *e_int_copy = NULL;
1257         struct bt_ctf_field *e_copy = NULL;
1258         struct bt_ctf_field *v_copy = NULL;
1259         struct bt_ctf_field *v_selected_copy = NULL;
1260         struct bt_ctf_field *v_selected_copy_len = NULL;
1261         struct bt_ctf_field *v_selected_0_copy = NULL;
1262         struct bt_ctf_field *v_selected_1_copy = NULL;
1263         struct bt_ctf_field *v_selected_2_copy = NULL;
1264         struct bt_ctf_field *v_selected_3_copy = NULL;
1265         struct bt_ctf_field *v_selected_4_copy = NULL;
1266         struct bt_ctf_field *v_selected_5_copy = NULL;
1267         struct bt_ctf_field *v_selected_6_copy = NULL;
1268         struct bt_ctf_field *a_copy = NULL;
1269         struct bt_ctf_field *a_0_copy = NULL;
1270         struct bt_ctf_field *a_1_copy = NULL;
1271         struct bt_ctf_field *a_2_copy = NULL;
1272         struct bt_ctf_field *a_3_copy = NULL;
1273         struct bt_ctf_field *a_4_copy = NULL;
1274         struct bt_ctf_field *strct_copy = NULL;
1275         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1276         uint64_t uint64_t_val;
1277         const char *str_val;
1278         double double_val;
1279         int ret;
1280
1281         /* create len type */
1282         len_type = bt_ctf_field_type_integer_create(32);
1283         assert(len_type);
1284
1285         /* create fp type */
1286         fp_type = bt_ctf_field_type_floating_point_create();
1287         assert(fp_type);
1288
1289         /* create s type */
1290         s_type = bt_ctf_field_type_string_create();
1291         assert(s_type);
1292
1293         /* create e_int type */
1294         e_int_type = bt_ctf_field_type_integer_create(8);
1295         assert(e_int_type);
1296
1297         /* create e type */
1298         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1299         assert(e_type);
1300         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1301                 10, 15);
1302         assert(!ret);
1303         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1304                 23, 23);
1305         assert(!ret);
1306
1307         /* create v_label1 type */
1308         v_label1_type = bt_ctf_field_type_string_create();
1309         assert(v_label1_type);
1310
1311         /* create v_label1_array type */
1312         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1313         assert(v_label1_array_type);
1314
1315         /* create v_label2 type */
1316         v_label2_type = bt_ctf_field_type_integer_create(16);
1317         assert(v_label2_type);
1318
1319         /* create v_label2_seq type */
1320         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1321                 "len");
1322         assert(v_label2_seq_type);
1323
1324         /* create v type */
1325         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1326         assert(v_type);
1327         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1328                 "LABEL1");
1329         assert(!ret);
1330         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1331                 "LABEL2");
1332         assert(!ret);
1333
1334         /* create strct type */
1335         strct_type = bt_ctf_field_type_structure_create();
1336         assert(strct_type);
1337         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1338                 "len");
1339         assert(!ret);
1340         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1341         assert(!ret);
1342         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1343         assert(!ret);
1344         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1345         assert(!ret);
1346         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1347         assert(!ret);
1348         ret = bt_ctf_field_type_structure_add_field(strct_type,
1349                 v_label1_array_type, "a");
1350         assert(!ret);
1351
1352         /* create strct */
1353         strct = bt_ctf_field_create(strct_type);
1354         assert(strct);
1355
1356         /* get len field */
1357         len = bt_ctf_field_structure_get_field(strct, "len");
1358         assert(len);
1359
1360         /* get fp field */
1361         fp = bt_ctf_field_structure_get_field(strct, "fp");
1362         assert(fp);
1363
1364         /* get s field */
1365         s = bt_ctf_field_structure_get_field(strct, "s");
1366         assert(s);
1367
1368         /* get e field */
1369         e = bt_ctf_field_structure_get_field(strct, "e");
1370         assert(e);
1371
1372         /* get e_int (underlying integer) */
1373         e_int = bt_ctf_field_enumeration_get_container(e);
1374         assert(e_int);
1375
1376         /* get v field */
1377         v = bt_ctf_field_structure_get_field(strct, "v");
1378         assert(v);
1379
1380         /* get a field */
1381         a = bt_ctf_field_structure_get_field(strct, "a");
1382         assert(a);
1383
1384         /* set len field */
1385         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1386         assert(!ret);
1387
1388         /* set fp field */
1389         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1390         assert(!ret);
1391
1392         /* set s field */
1393         ret = bt_ctf_field_string_set_value(s, "btbt");
1394         assert(!ret);
1395
1396         /* set e field (LABEL2) */
1397         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1398         assert(!ret);
1399
1400         /* set v field */
1401         v_selected = bt_ctf_field_variant_get_field(v, e);
1402         assert(v_selected);
1403         ok(!bt_ctf_field_variant_get_current_field(NULL),
1404                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1405         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1406         ok(v_selected_cur == v_selected,
1407                 "bt_ctf_field_variant_get_current_field returns the current field");
1408         bt_put(v_selected_cur);
1409
1410         /* set selected v field */
1411         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1412         assert(!ret);
1413         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1414         assert(v_selected_0);
1415         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1416         assert(!ret);
1417         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1418         assert(v_selected_1);
1419         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1420         assert(!ret);
1421         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1422         assert(v_selected_2);
1423         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1424         assert(!ret);
1425         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1426         assert(v_selected_3);
1427         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1428         assert(!ret);
1429         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1430         assert(v_selected_4);
1431         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1432         assert(!ret);
1433         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1434         assert(v_selected_5);
1435         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1436         assert(!ret);
1437         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1438         assert(v_selected_6);
1439         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1440         assert(!ret);
1441
1442         /* set a field */
1443         a_0 = bt_ctf_field_array_get_field(a, 0);
1444         assert(a_0);
1445         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1446         assert(!ret);
1447         a_1 = bt_ctf_field_array_get_field(a, 1);
1448         assert(a_1);
1449         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1450         assert(!ret);
1451         a_2 = bt_ctf_field_array_get_field(a, 2);
1452         assert(a_2);
1453         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1454         assert(!ret);
1455         a_3 = bt_ctf_field_array_get_field(a, 3);
1456         assert(a_3);
1457         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1458         assert(!ret);
1459         a_4 = bt_ctf_field_array_get_field(a, 4);
1460         assert(a_4);
1461         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1462         assert(!ret);
1463
1464         /* create copy of strct */
1465         ok(!bt_ctf_field_copy(NULL),
1466                 "bt_ctf_field_copy handles NULL correctly");
1467         strct_copy = bt_ctf_field_copy(strct);
1468         ok(strct_copy,
1469                 "bt_ctf_field_copy returns a valid pointer");
1470
1471         /* get all copied fields */
1472         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1473         assert(len_copy);
1474         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1475         assert(fp_copy);
1476         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1477         assert(s_copy);
1478         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1479         assert(e_copy);
1480         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1481         assert(e_int_copy);
1482         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1483         assert(v_copy);
1484         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1485         assert(v_selected_copy);
1486         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1487         assert(v_selected_0_copy);
1488         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1489         assert(v_selected_1_copy);
1490         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1491         assert(v_selected_2_copy);
1492         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1493         assert(v_selected_3_copy);
1494         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1495         assert(v_selected_4_copy);
1496         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1497         assert(v_selected_5_copy);
1498         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1499         assert(v_selected_6_copy);
1500         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1501                 "sequence field copy is not too large");
1502         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1503         assert(a_copy);
1504         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1505         assert(a_0_copy);
1506         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1507         assert(a_1_copy);
1508         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1509         assert(a_2_copy);
1510         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1511         assert(a_3_copy);
1512         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1513         assert(a_4_copy);
1514         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1515                 "array field copy is not too large");
1516
1517         /* make sure copied fields are different pointers */
1518         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1519         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1520         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1521         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1522         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1523         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1524         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1525         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1526                 "v_selected");
1527         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1528                 "v_selected_0");
1529         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1530                 "v_selected_1");
1531         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1532                 "v_selected_2");
1533         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1534                 "v_selected_3");
1535         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1536                 "v_selected_4");
1537         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1538                 "v_selected_5");
1539         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1540                 "v_selected_6");
1541         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1542         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1543         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1544         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1545         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1546         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1547
1548         /* make sure copied fields share the same types */
1549         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1550         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1551         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1552         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1553         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1554         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1555         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1556                 "v_selected");
1557         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1558                 "v_selected_0");
1559         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1560                 "v_selected_1");
1561         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1562                 "v_selected_2");
1563         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1564                 "v_selected_3");
1565         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1566                 "v_selected_4");
1567         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1568                 "v_selected_5");
1569         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1570                 "v_selected_6");
1571         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1572         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1573         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1574         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1575         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1576         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1577
1578         /* validate len copy */
1579         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1580         assert(!ret);
1581         ok(uint64_t_val == 7,
1582                 "bt_ctf_field_copy creates a valid integer field copy");
1583
1584         /* validate fp copy */
1585         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1586         assert(!ret);
1587         ok(double_val == 3.14,
1588                 "bt_ctf_field_copy creates a valid floating point number field copy");
1589
1590         /* validate s copy */
1591         str_val = bt_ctf_field_string_get_value(s_copy);
1592         ok(str_val && !strcmp(str_val, "btbt"),
1593                 "bt_ctf_field_copy creates a valid string field copy");
1594
1595         /* validate e_int copy */
1596         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1597                 &uint64_t_val);
1598         assert(!ret);
1599         ok(uint64_t_val == 23,
1600                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1601
1602         /* validate e copy */
1603         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1604         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1605                 &str_val, NULL, NULL);
1606         ok(str_val && !strcmp(str_val, "LABEL2"),
1607                 "bt_ctf_field_copy creates a valid enum field copy");
1608
1609         /* validate v_selected copy */
1610         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1611         assert(v_selected_copy_len);
1612         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1613                 &uint64_t_val);
1614         assert(!ret);
1615         ok(uint64_t_val == 7,
1616                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1617         bt_put(v_selected_copy_len);
1618         v_selected_copy_len = NULL;
1619
1620         /* validate v_selected copy fields */
1621         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1622                 &uint64_t_val);
1623         assert(!ret);
1624         ok(uint64_t_val == 7,
1625                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1626         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1627                 &uint64_t_val);
1628         assert(!ret);
1629         ok(uint64_t_val == 6,
1630                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1631         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1632                 &uint64_t_val);
1633         assert(!ret);
1634         ok(uint64_t_val == 5,
1635                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1636         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1637                 &uint64_t_val);
1638         assert(!ret);
1639         ok(uint64_t_val == 4,
1640                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1641         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1642                 &uint64_t_val);
1643         assert(!ret);
1644         ok(uint64_t_val == 3,
1645                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1646         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1647                 &uint64_t_val);
1648         assert(!ret);
1649         ok(uint64_t_val == 2,
1650                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1651         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1652                 &uint64_t_val);
1653         assert(!ret);
1654         ok(uint64_t_val == 1,
1655                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1656
1657         /* validate a copy fields */
1658         str_val = bt_ctf_field_string_get_value(a_0_copy);
1659         ok(str_val && !strcmp(str_val, "a_0"),
1660                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1661         str_val = bt_ctf_field_string_get_value(a_1_copy);
1662         ok(str_val && !strcmp(str_val, "a_1"),
1663                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1664         str_val = bt_ctf_field_string_get_value(a_2_copy);
1665         ok(str_val && !strcmp(str_val, "a_2"),
1666                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1667         str_val = bt_ctf_field_string_get_value(a_3_copy);
1668         ok(str_val && !strcmp(str_val, "a_3"),
1669                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1670         str_val = bt_ctf_field_string_get_value(a_4_copy);
1671         ok(str_val && !strcmp(str_val, "a_4"),
1672                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1673
1674         /* put everything */
1675         bt_put(len_type);
1676         bt_put(fp_type);
1677         bt_put(s_type);
1678         bt_put(e_int_type);
1679         bt_put(e_type);
1680         bt_put(v_type);
1681         bt_put(v_label1_type);
1682         bt_put(v_label1_array_type);
1683         bt_put(v_label2_type);
1684         bt_put(v_label2_seq_type);
1685         bt_put(strct_type);
1686         bt_put(len);
1687         bt_put(fp);
1688         bt_put(s);
1689         bt_put(e_int);
1690         bt_put(e);
1691         bt_put(v);
1692         bt_put(v_selected);
1693         bt_put(v_selected_0);
1694         bt_put(v_selected_1);
1695         bt_put(v_selected_2);
1696         bt_put(v_selected_3);
1697         bt_put(v_selected_4);
1698         bt_put(v_selected_5);
1699         bt_put(v_selected_6);
1700         bt_put(a);
1701         bt_put(a_0);
1702         bt_put(a_1);
1703         bt_put(a_2);
1704         bt_put(a_3);
1705         bt_put(a_4);
1706         bt_put(strct);
1707         bt_put(len_copy);
1708         bt_put(fp_copy);
1709         bt_put(s_copy);
1710         bt_put(e_int_copy);
1711         bt_put(e_copy);
1712         bt_put(v_copy);
1713         bt_put(v_selected_copy);
1714         bt_put(v_selected_0_copy);
1715         bt_put(v_selected_1_copy);
1716         bt_put(v_selected_2_copy);
1717         bt_put(v_selected_3_copy);
1718         bt_put(v_selected_4_copy);
1719         bt_put(v_selected_5_copy);
1720         bt_put(v_selected_6_copy);
1721         bt_put(a_copy);
1722         bt_put(a_0_copy);
1723         bt_put(a_1_copy);
1724         bt_put(a_2_copy);
1725         bt_put(a_3_copy);
1726         bt_put(a_4_copy);
1727         bt_put(strct_copy);
1728         bt_put(e_iter);
1729 }
1730
1731 static
1732 void type_field_tests()
1733 {
1734         struct bt_ctf_field *uint_12;
1735         struct bt_ctf_field *int_16;
1736         struct bt_ctf_field *string;
1737         struct bt_ctf_field *enumeration;
1738         struct bt_ctf_field_type *composite_structure_type;
1739         struct bt_ctf_field_type *structure_seq_type;
1740         struct bt_ctf_field_type *string_type;
1741         struct bt_ctf_field_type *sequence_type;
1742         struct bt_ctf_field_type *uint_8_type;
1743         struct bt_ctf_field_type *int_16_type;
1744         struct bt_ctf_field_type *uint_12_type =
1745                 bt_ctf_field_type_integer_create(12);
1746         struct bt_ctf_field_type *enumeration_type;
1747         struct bt_ctf_field_type *returned_type;
1748         const char *ret_string;
1749
1750         returned_type = bt_ctf_field_get_type(NULL);
1751         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1752
1753         ok(uint_12_type, "Create an unsigned integer type");
1754         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1755                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1756                 "Set integer type's base as binary");
1757         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1758                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1759                 "Set integer type's base as decimal");
1760         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1761                 BT_CTF_INTEGER_BASE_UNKNOWN),
1762                 "Reject integer type's base set as unknown");
1763         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1764                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1765                 "Set integer type's base as octal");
1766         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1767                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1768                 "Set integer type's base as hexadecimal");
1769         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1770                 "Reject unknown integer base value");
1771         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1772                 "Set integer type signedness to signed");
1773         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1774                 "Set integer type signedness to unsigned");
1775         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1776                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1777         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1778                 "bt_ctf_field_type_integer_get_size returns a correct value");
1779         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1780                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1781         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1782                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1783
1784         ok(bt_ctf_field_type_set_byte_order(NULL,
1785                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1786                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1787         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1788                 (enum bt_ctf_byte_order) 42) < 0,
1789                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1790         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1791                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1792                 "Set an integer's byte order to little endian");
1793         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1794                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1795                 "Set an integer's byte order to big endian");
1796         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1797                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1798                 "bt_ctf_field_type_get_byte_order returns a correct value");
1799         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1800                 BT_CTF_BYTE_ORDER_UNKNOWN,
1801                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1802
1803         ok(bt_ctf_field_type_get_type_id(NULL) ==
1804                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1805                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1806         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1807                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1808                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1809
1810         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1811                 BT_CTF_INTEGER_BASE_UNKNOWN,
1812                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1813         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1814                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1815                 "bt_ctf_field_type_integer_get_base returns a correct value");
1816
1817         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1818                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1819                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1820         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1821                 (enum bt_ctf_string_encoding) 123) < 0,
1822                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1823         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1824                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1825                 "Set integer type encoding to UTF8");
1826         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1827                 BT_CTF_STRING_ENCODING_UNKNOWN,
1828                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1829         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1830                 BT_CTF_STRING_ENCODING_UTF8,
1831                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1832
1833         int_16_type = bt_ctf_field_type_integer_create(16);
1834         assert(int_16_type);
1835         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1836                 "Set signedness of 16 bit integer to true");
1837         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1838                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1839         uint_8_type = bt_ctf_field_type_integer_create(8);
1840         sequence_type =
1841                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1842         ok(sequence_type, "Create a sequence of int16_t type");
1843         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1844                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1845                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1846
1847         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1848                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1849         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1850                 sequence_type);
1851         ok(!strcmp(ret_string, "seq_len"),
1852                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1853         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1854                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1855         returned_type = bt_ctf_field_type_sequence_get_element_type(
1856                 sequence_type);
1857         ok(returned_type == int_16_type,
1858                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1859         bt_put(returned_type);
1860
1861         string_type = bt_ctf_field_type_string_create();
1862         ok(string_type, "Create a string type");
1863         ok(bt_ctf_field_type_string_set_encoding(string_type,
1864                 BT_CTF_STRING_ENCODING_NONE),
1865                 "Reject invalid \"None\" string encoding");
1866         ok(bt_ctf_field_type_string_set_encoding(string_type,
1867                 42),
1868                 "Reject invalid string encoding");
1869         ok(bt_ctf_field_type_string_set_encoding(string_type,
1870                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1871                 "Set string encoding to ASCII");
1872
1873         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1874                 BT_CTF_STRING_ENCODING_UNKNOWN,
1875                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1876         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1877                 BT_CTF_STRING_ENCODING_ASCII,
1878                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1879
1880         structure_seq_type = bt_ctf_field_type_structure_create();
1881         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1882                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1883                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1884         ok(structure_seq_type, "Create a structure type");
1885         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1886                 uint_8_type, "seq_len") == 0,
1887                 "Add a uint8_t type to a structure");
1888         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1889                 sequence_type, "a_sequence") == 0,
1890                 "Add a sequence type to a structure");
1891
1892         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1893                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1894         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1895                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1896
1897         ok(bt_ctf_field_type_structure_get_field(NULL,
1898                 &ret_string, &returned_type, 1) < 0,
1899                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1900         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1901                 NULL, &returned_type, 1) == 0,
1902                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1903         bt_put(returned_type);
1904         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1905                 &ret_string, NULL, 1) == 0,
1906                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1907         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1908                 &ret_string, &returned_type, 10) < 0,
1909                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1910         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1911                 &ret_string, &returned_type, 1) == 0,
1912                 "bt_ctf_field_type_structure_get_field returns a field");
1913         ok(!strcmp(ret_string, "a_sequence"),
1914                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1915         ok(returned_type == sequence_type,
1916                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1917         bt_put(returned_type);
1918
1919         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1920                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1921         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1922                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1923         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1924                 structure_seq_type, "a_sequence");
1925         ok(returned_type == sequence_type,
1926                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1927         bt_put(returned_type);
1928
1929         composite_structure_type = bt_ctf_field_type_structure_create();
1930         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1931                 string_type, "a_string") == 0,
1932                 "Add a string type to a structure");
1933         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1934                 structure_seq_type, "inner_structure") == 0,
1935                 "Add a structure type to a structure");
1936
1937         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1938                 NULL, "a_sequence") == NULL,
1939                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1940         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1941                 structure_seq_type, NULL) == NULL,
1942                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1943         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1944                 structure_seq_type, "a_sequence");
1945         ok(returned_type == sequence_type,
1946                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1947         bt_put(returned_type);
1948
1949         int_16 = bt_ctf_field_create(int_16_type);
1950         ok(int_16, "Instanciate a signed 16-bit integer");
1951         uint_12 = bt_ctf_field_create(uint_12_type);
1952         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1953         returned_type = bt_ctf_field_get_type(int_16);
1954         ok(returned_type == int_16_type,
1955                 "bt_ctf_field_get_type returns the correct type");
1956
1957         /* Can't modify types after instanciating them */
1958         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1959                 BT_CTF_INTEGER_BASE_DECIMAL),
1960                 "Check an integer type' base can't be modified after instanciation");
1961         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1962                 "Check an integer type's signedness can't be modified after instanciation");
1963
1964         /* Check signed property is checked */
1965         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1966                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1967         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1968                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1969
1970         /* Check overflows are properly tested for */
1971         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1972                 "Check -32768 is allowed for a signed 16-bit integer");
1973         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1974                 "Check 32767 is allowed for a signed 16-bit integer");
1975         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1976                 "Check 32768 is not allowed for a signed 16-bit integer");
1977         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1978                 "Check -32769 is not allowed for a signed 16-bit integer");
1979         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1980                 "Check -42 is allowed for a signed 16-bit integer");
1981
1982         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1983                 "Check 4095 is allowed for an unsigned 12-bit integer");
1984         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1985                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1986         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1987                 "Check 0 is allowed for an unsigned 12-bit integer");
1988
1989         string = bt_ctf_field_create(string_type);
1990         ok(string, "Instanciate a string field");
1991         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1992                 "Set a string's value");
1993
1994         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1995         ok(enumeration_type,
1996                 "Create an enumeration type with an unsigned 12-bit integer as container");
1997         enumeration = bt_ctf_field_create(enumeration_type);
1998         ok(!enumeration,
1999                 "Check enumeration types are validated before instantiation");
2000
2001         bt_put(string);
2002         bt_put(uint_12);
2003         bt_put(int_16);
2004         bt_put(enumeration);
2005         bt_put(composite_structure_type);
2006         bt_put(structure_seq_type);
2007         bt_put(string_type);
2008         bt_put(sequence_type);
2009         bt_put(uint_8_type);
2010         bt_put(int_16_type);
2011         bt_put(uint_12_type);
2012         bt_put(enumeration_type);
2013         bt_put(returned_type);
2014 }
2015
2016 static
2017 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2018                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2019 {
2020         /*
2021          * Append enough events to force the underlying packet to be resized.
2022          * Also tests that a new event can be declared after a stream has been
2023          * instantiated and used/flushed.
2024          */
2025         int ret = 0;
2026         int i;
2027         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2028                 "Spammy_Event");
2029         struct bt_ctf_field_type *integer_type =
2030                 bt_ctf_field_type_integer_create(17);
2031         struct bt_ctf_field_type *string_type =
2032                 bt_ctf_field_type_string_create();
2033         struct bt_ctf_event *event = NULL;
2034         struct bt_ctf_field *ret_field = NULL;
2035         struct bt_ctf_field_type *ret_field_type = NULL;
2036         uint64_t ret_uint64;
2037         int events_appended = 0;
2038         struct bt_ctf_field *packet_context = NULL,
2039                 *packet_context_field = NULL, *stream_event_context = NULL;
2040         struct bt_ctf_field_type *ep_field_1_type = NULL;
2041         struct bt_ctf_field_type *ep_a_string_type = NULL;
2042         struct bt_ctf_field_type *ep_type = NULL;
2043
2044         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2045                 "field_1");
2046         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2047                 "a_string");
2048         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2049         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2050         if (ret) {
2051                 goto end;
2052         }
2053
2054         /*
2055          * bt_ctf_stream_class_add_event_class() copies the field types
2056          * of event_class, so we retrieve the new ones to create the
2057          * appropriate fields.
2058          */
2059         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2060         assert(ep_type);
2061         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2062                 ep_type, "field_1");
2063         assert(ep_field_1_type);
2064         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2065                 ep_type, "a_string");
2066         assert(ep_a_string_type);
2067
2068         event = bt_ctf_event_create(event_class);
2069         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2070         ret_field_type = bt_ctf_field_get_type(ret_field);
2071         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2072                 "bt_ctf_event_get_payload_by_index returns a correct field");
2073         bt_put(ret_field_type);
2074         bt_put(ret_field);
2075
2076         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2077                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2078         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2079                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2080         bt_put(event);
2081
2082         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2083                 event = bt_ctf_event_create(event_class);
2084                 struct bt_ctf_field *integer =
2085                         bt_ctf_field_create(ep_field_1_type);
2086                 struct bt_ctf_field *string =
2087                         bt_ctf_field_create(ep_a_string_type);
2088
2089                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2090                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2091                 ret |= bt_ctf_event_set_payload(event, "field_1",
2092                         integer);
2093                 bt_put(integer);
2094                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2095                 ret |= bt_ctf_event_set_payload(event, "a_string",
2096                         string);
2097                 bt_put(string);
2098
2099                 /* Populate stream event context */
2100                 stream_event_context =
2101                         bt_ctf_event_get_stream_event_context(event);
2102                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2103                         "common_event_context");
2104                 BT_PUT(stream_event_context);
2105                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2106                         i % 42);
2107                 bt_put(integer);
2108
2109                 ret |= bt_ctf_stream_append_event(stream, event);
2110                 bt_put(event);
2111
2112                 if (ret) {
2113                         break;
2114                 }
2115         }
2116
2117         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2118         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2119                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2120         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2121                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2122         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2123         ok(ret == 0 && ret_uint64 == 0,
2124                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2125         bt_ctf_stream_append_discarded_events(stream, 1000);
2126         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2127         ok(ret == 0 && ret_uint64 == 1000,
2128                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2129
2130 end:
2131         ok(events_appended, "Append 100 000 events to a stream");
2132
2133         /*
2134          * Populate the custom packet context field with a dummy value
2135          * otherwise flush will fail.
2136          */
2137         packet_context = bt_ctf_stream_get_packet_context(stream);
2138         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2139                 "custom_packet_context_field");
2140         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2141
2142         ok(bt_ctf_stream_flush(stream) == 0,
2143                 "Flush a stream that forces a packet resize");
2144         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2145         ok(ret == 0 && ret_uint64 == 1000,
2146                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2147         bt_put(integer_type);
2148         bt_put(string_type);
2149         bt_put(packet_context);
2150         bt_put(packet_context_field);
2151         bt_put(stream_event_context);
2152         bt_put(event_class);
2153         bt_put(ep_field_1_type);
2154         bt_put(ep_a_string_type);
2155         bt_put(ep_type);
2156 }
2157
2158 static
2159 void test_empty_stream(struct bt_ctf_writer *writer)
2160 {
2161         int ret = 0;
2162         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2163         struct bt_ctf_stream_class *stream_class = NULL;
2164         struct bt_ctf_stream *stream = NULL;
2165
2166         trace = bt_ctf_writer_get_trace(writer);
2167         if (!trace) {
2168                 diag("Failed to get trace from writer");
2169                 ret = -1;
2170                 goto end;
2171         }
2172
2173         stream_class = bt_ctf_stream_class_create("empty_stream");
2174         if (!stream_class) {
2175                 diag("Failed to create stream class");
2176                 ret = -1;
2177                 goto end;
2178         }
2179
2180         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2181                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2182         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2183                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2184
2185         stream = bt_ctf_writer_create_stream(writer, stream_class);
2186         if (!stream) {
2187                 diag("Failed to create writer stream");
2188                 ret = -1;
2189                 goto end;
2190         }
2191
2192         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2193         ok(ret_trace == trace,
2194                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2195 end:
2196         ok(ret == 0,
2197                 "Created a stream class with default attributes and an empty stream");
2198         bt_put(trace);
2199         bt_put(ret_trace);
2200         bt_put(stream);
2201         bt_put(stream_class);
2202 }
2203
2204 static
2205 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2206                         struct bt_ctf_clock *clock)
2207 {
2208         int i, ret;
2209         struct bt_ctf_stream_class *stream_class = NULL;
2210         struct bt_ctf_stream *stream = NULL;
2211         struct bt_ctf_field_type *integer_type = NULL,
2212                 *sequence_type = NULL, *event_header_type = NULL;
2213         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2214                 *event_header = NULL, *packet_header = NULL;
2215         struct bt_ctf_event_class *event_class = NULL;
2216         struct bt_ctf_event *event = NULL;
2217
2218         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2219         if (!stream_class) {
2220                 fail("Failed to create stream class");
2221                 goto end;
2222         }
2223
2224         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2225         if (ret) {
2226                 fail("Failed to set stream class clock");
2227                 goto end;
2228         }
2229
2230         /*
2231          * Customize event header to add an "seq_len" integer member
2232          * which will be used as the length of a sequence in an event of this
2233          * stream.
2234          */
2235         event_header_type = bt_ctf_stream_class_get_event_header_type(
2236                 stream_class);
2237         if (!event_header_type) {
2238                 fail("Failed to get event header type");
2239                 goto end;
2240         }
2241
2242         integer_type = bt_ctf_field_type_integer_create(13);
2243         if (!integer_type) {
2244                 fail("Failed to create length integer type");
2245                 goto end;
2246         }
2247
2248         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2249                 integer_type, "seq_len");
2250         if (ret) {
2251                 fail("Failed to add a new field to stream event header");
2252                 goto end;
2253         }
2254
2255         event_class = bt_ctf_event_class_create("sequence_event");
2256         if (!event_class) {
2257                 fail("Failed to create event class");
2258                 goto end;
2259         }
2260
2261         /*
2262          * This event's payload will contain a sequence which references
2263          * stream.event.header.seq_len as its length field.
2264          */
2265         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2266                 "stream.event.header.seq_len");
2267         if (!sequence_type) {
2268                 fail("Failed to create a sequence");
2269                 goto end;
2270         }
2271
2272         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2273                 "some_sequence");
2274         if (ret) {
2275                 fail("Failed to add a sequence to an event class");
2276                 goto end;
2277         }
2278
2279         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2280         if (ret) {
2281                 fail("Failed to add event class to stream class");
2282                 goto end;
2283         }
2284
2285         stream = bt_ctf_writer_create_stream(writer, stream_class);
2286         if (!stream) {
2287                 fail("Failed to create stream")
2288                 goto end;
2289         }
2290
2291         /*
2292          * We have defined a custom packet header field. We have to populate it
2293          * explicitly.
2294          */
2295         packet_header = bt_ctf_stream_get_packet_header(stream);
2296         if (!packet_header) {
2297                 fail("Failed to get stream packet header");
2298                 goto end;
2299         }
2300
2301         integer = bt_ctf_field_structure_get_field(packet_header,
2302                 "custom_trace_packet_header_field");
2303         if (!integer) {
2304                 fail("Failed to retrieve custom_trace_packet_header_field");
2305                 goto end;
2306         }
2307
2308         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2309         if (ret) {
2310                 fail("Failed to set custom_trace_packet_header_field value");
2311                 goto end;
2312         }
2313         bt_put(integer);
2314
2315         event = bt_ctf_event_create(event_class);
2316         if (!event) {
2317                 fail("Failed to create event");
2318                 goto end;
2319         }
2320
2321         event_header = bt_ctf_event_get_header(event);
2322         if (!event_header) {
2323                 fail("Failed to get event header");
2324                 goto end;
2325         }
2326
2327         integer = bt_ctf_field_structure_get_field(event_header,
2328                 "seq_len");
2329         if (!integer) {
2330                 fail("Failed to get seq_len field from event header");
2331                 goto end;
2332         }
2333
2334         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2335         if (ret) {
2336                 fail("Failed to set seq_len value in event header");
2337                 goto end;
2338         }
2339
2340         /* Populate both sequence integer fields */
2341         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2342         if (!sequence) {
2343                 fail("Failed to retrieve sequence from event");
2344                 goto end;
2345         }
2346
2347         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2348         if (ret) {
2349                 fail("Failed to set sequence length");
2350                 goto end;
2351         }
2352         bt_put(integer);
2353
2354         for (i = 0; i < 2; i++) {
2355                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2356                 if (ret) {
2357                         fail("Failed to retrieve sequence element");
2358                         goto end;
2359                 }
2360
2361                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2362                 if (ret) {
2363                         fail("Failed to set sequence element value");
2364                         goto end;
2365                 }
2366
2367                 bt_put(integer);
2368                 integer = NULL;
2369         }
2370
2371         ret = bt_ctf_stream_append_event(stream, event);
2372         if (ret) {
2373                 fail("Failed to append event to stream");
2374                 goto end;
2375         }
2376
2377         ret = bt_ctf_stream_flush(stream);
2378         if (ret) {
2379                 fail("Failed to flush custom_event_header stream");
2380         }
2381 end:
2382         bt_put(stream);
2383         bt_put(stream_class);
2384         bt_put(event_class);
2385         bt_put(event);
2386         bt_put(integer);
2387         bt_put(sequence);
2388         bt_put(event_header);
2389         bt_put(packet_header);
2390         bt_put(sequence_type);
2391         bt_put(integer_type);
2392         bt_put(event_header_type);
2393 }
2394
2395 static
2396 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2397                 struct bt_ctf_clock *clock)
2398 {
2399         int ret = 0;
2400         struct bt_ctf_stream_class *stream_class = NULL;
2401         struct bt_ctf_stream *stream = NULL,
2402                 *ret_stream = NULL;
2403         struct bt_ctf_event_class *event_class = NULL;
2404         struct bt_ctf_event *event = NULL;
2405         struct bt_ctf_field_type *integer_type = NULL;
2406         struct bt_ctf_field *integer = NULL;
2407
2408         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2409         if (!stream_class) {
2410                 diag("Failed to create stream class");
2411                 ret = -1;
2412                 goto end;
2413         }
2414
2415         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2416         if (ret) {
2417                 diag("Failed to set stream class clock");
2418                 goto end;
2419         }
2420
2421         event_class = bt_ctf_event_class_create("some_event_class_name");
2422         integer_type = bt_ctf_field_type_integer_create(32);
2423         if (!integer_type) {
2424                 diag("Failed to create integer field type");
2425                 ret = -1;
2426                 goto end;
2427         }
2428
2429         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2430                 "integer_field");
2431         if (ret) {
2432                 diag("Failed to add field to event class");
2433                 goto end;
2434         }
2435
2436         ret = bt_ctf_stream_class_add_event_class(stream_class,
2437                 event_class);
2438         if (ret) {
2439                 diag("Failed to add event class to stream class");
2440         }
2441
2442         event = bt_ctf_event_create(event_class);
2443         if (!event) {
2444                 diag("Failed to create event");
2445                 ret = -1;
2446                 goto end;
2447         }
2448
2449         integer = bt_ctf_event_get_payload_by_index(event, 0);
2450         if (!integer) {
2451                 diag("Failed to get integer field payload from event");
2452                 ret = -1;
2453                 goto end;
2454         }
2455
2456         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2457         if (ret) {
2458                 diag("Failed to set integer field value");
2459                 goto end;
2460         }
2461
2462         stream = bt_ctf_writer_create_stream(writer, stream_class);
2463         if (!stream) {
2464                 diag("Failed to create writer stream");
2465                 ret = -1;
2466                 goto end;
2467         }
2468
2469         ok(bt_ctf_event_get_stream(NULL) == NULL,
2470                 "bt_ctf_event_get_stream handles NULL correctly");
2471         ok(bt_ctf_event_get_stream(event) == NULL,
2472                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2473
2474         ret = bt_ctf_stream_append_event(stream, event);
2475         if (ret) {
2476                 diag("Failed to append event to stream");
2477                 goto end;
2478         }
2479
2480         ret_stream = bt_ctf_event_get_stream(event);
2481         ok(ret_stream == stream,
2482                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2483 end:
2484         ok(ret == 0,
2485                 "Create an event before instanciating its associated stream");
2486         bt_put(stream);
2487         bt_put(ret_stream);
2488         bt_put(stream_class);
2489         bt_put(event_class);
2490         bt_put(event);
2491         bt_put(integer_type);
2492         bt_put(integer);
2493 }
2494
2495 static
2496 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2497 {
2498         struct bt_ctf_event_class *event_class;
2499
2500         event_class = bt_ctf_event_class_create("Simple Event");
2501         assert(event_class);
2502         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2503                 "two event classes with the same name cannot cohabit within the same stream class");
2504         bt_put(event_class);
2505
2506         event_class = bt_ctf_event_class_create("different name, ok");
2507         assert(event_class);
2508         assert(!bt_ctf_event_class_set_id(event_class, 11));
2509         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2510                 "two event classes with the same ID cannot cohabit within the same stream class");
2511         bt_put(event_class);
2512 }
2513
2514 static
2515 struct bt_ctf_event_class *create_minimal_event_class(void)
2516 {
2517         struct bt_ctf_event_class *ec = NULL;
2518         struct bt_ctf_field_type *int_ft = NULL;
2519         int ret;
2520
2521         int_ft = bt_ctf_field_type_integer_create(23);
2522         assert(int_ft);
2523         ec = bt_ctf_event_class_create("minimal");
2524         assert(ec);
2525         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2526         assert(!ret);
2527         BT_PUT(int_ft);
2528
2529         return ec;
2530 }
2531
2532 static
2533 void test_create_writer_vs_non_writer_mode(void)
2534 {
2535         int ret;
2536         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2537         const char *writer_stream_name = "writer stream instance";
2538         struct bt_ctf_writer *writer = NULL;
2539         struct bt_ctf_trace *writer_trace = NULL;
2540         struct bt_ctf_stream_class *writer_sc = NULL;
2541         struct bt_ctf_stream *writer_stream = NULL;
2542         struct bt_ctf_stream *writer_stream2 = NULL;
2543         struct bt_ctf_stream *packet_stream = NULL;
2544         struct bt_ctf_trace *non_writer_trace = NULL;
2545         struct bt_ctf_stream_class *non_writer_sc = NULL;
2546         struct bt_ctf_stream *non_writer_stream = NULL;
2547         struct bt_ctf_stream *non_writer_stream2 = NULL;
2548         struct bt_ctf_event_class *writer_ec = NULL;
2549         struct bt_ctf_event_class *non_writer_ec = NULL;
2550         struct bt_ctf_event *event = NULL;
2551         struct bt_ctf_event *event2 = NULL;
2552         struct bt_ctf_field_type *empty_struct_ft = NULL;
2553         struct bt_ctf_field *int_field = NULL;
2554         struct bt_ctf_clock *writer_clock = NULL;
2555         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2556         struct bt_ctf_packet *packet = NULL;
2557         struct bt_ctf_packet *packet2 = NULL;
2558
2559         if (!bt_mkdtemp(trace_path)) {
2560                 perror("# perror");
2561         }
2562
2563         /* Create empty structure field type (event header) */
2564         empty_struct_ft = bt_ctf_field_type_structure_create();
2565         assert(empty_struct_ft);
2566
2567         /* Create writer, writer stream class, stream, and clock */
2568         writer = bt_ctf_writer_create(trace_path);
2569         assert(writer);
2570         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2571         assert(!ret);
2572         writer_trace = bt_ctf_writer_get_trace(writer);
2573         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2574         writer_sc = bt_ctf_stream_class_create("writer_sc");
2575         assert(writer_sc);
2576         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2577                 empty_struct_ft);
2578         assert(!ret);
2579         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2580         assert(!ret);
2581         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2582         assert(writer_stream);
2583         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2584                 "bt_ctf_stream_get_name() returns the stream's name");
2585         writer_clock = bt_ctf_clock_create("writer_clock");
2586         assert(writer_clock);
2587         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2588         assert(!ret);
2589
2590         /* Create non-writer trace, stream class, stream, and clock */
2591         non_writer_trace = bt_ctf_trace_create();
2592         assert(non_writer_trace);
2593         ret = bt_ctf_trace_set_native_byte_order(non_writer_trace,
2594                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2595         assert(!ret);
2596         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2597         assert(non_writer_sc);
2598         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2599                 empty_struct_ft);
2600         assert(!ret);
2601         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2602         assert(!ret);
2603         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2604         assert(non_writer_stream);
2605         non_writer_clock_class =
2606                 bt_ctf_clock_class_create("non_writer_clock_class");
2607         assert(non_writer_clock_class);
2608         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2609                 non_writer_clock_class);
2610         assert(!ret);
2611
2612         /* Create event class and event */
2613         writer_ec = create_minimal_event_class();
2614         assert(writer_ec);
2615         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2616         assert(!ret);
2617         event = bt_ctf_event_create(writer_ec);
2618         assert(event);
2619         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2620         assert(int_field);
2621         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2622
2623         /*
2624          * Verify non-writer stream: it should be impossible to append
2625          * an event to it.
2626          */
2627         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2628                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2629
2630         /*
2631          * Verify writer stream: it should be possible to append an
2632          * event to it.
2633          */
2634         ok(!bt_ctf_stream_append_event(writer_stream, event),
2635                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2636
2637         /*
2638          * It should be possible to create a packet from a non-writer
2639          * stream, but not from a writer stream.
2640          */
2641         packet = bt_ctf_packet_create(writer_stream);
2642         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2643         packet = bt_ctf_packet_create(non_writer_stream);
2644         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2645         packet_stream = bt_ctf_packet_get_stream(packet);
2646         ok(packet_stream == non_writer_stream,
2647                 "bt_ctf_packet_get_stream() returns the correct stream");
2648
2649         /*
2650          * It should not be possible to append an event associated to
2651          * a stream to a different stream.
2652          */
2653         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2654         assert(writer_stream2);
2655         ok(bt_ctf_stream_append_event(writer_stream2, event),
2656                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2657
2658         /*
2659          * It should not be possible to set the packet of an event
2660          * associated to a given stream to a packet associated with
2661          * a different stream.
2662          */
2663         ok(bt_ctf_event_set_packet(event, packet),
2664                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2665
2666         /*
2667          * It should be possible to set the packet of a fresh event, as
2668          * long as the originating stream classes are the same.
2669          */
2670         event2 = bt_ctf_event_create(writer_ec);
2671         assert(event2);
2672         ok(bt_ctf_event_set_packet(event2, packet),
2673                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2674         non_writer_ec = create_minimal_event_class();
2675         assert(non_writer_ec);
2676         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2677         assert(!ret);
2678         BT_PUT(event2);
2679         event2 = bt_ctf_event_create(non_writer_ec);
2680         assert(event2);
2681         ok(!bt_ctf_event_set_packet(event2, packet),
2682                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2683
2684         /*
2685          * It should be possible to set a packet created from the same
2686          * stream to an event with an existing packet.
2687          */
2688         packet2 = bt_ctf_packet_create(non_writer_stream);
2689         assert(packet2);
2690         ok(!bt_ctf_event_set_packet(event2, packet2),
2691                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2692         BT_PUT(packet2);
2693
2694         /*
2695          * It should not be possible to set a packet created from a
2696          * different stream to an event with an existing packet.
2697          */
2698         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2699         assert(non_writer_stream2);
2700         packet2 = bt_ctf_packet_create(non_writer_stream);
2701         assert(packet2);
2702         ok(!bt_ctf_event_set_packet(event2, packet2),
2703                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2704
2705         bt_put(writer);
2706         bt_put(writer_trace);
2707         bt_put(writer_sc);
2708         bt_put(writer_stream);
2709         bt_put(writer_stream2);
2710         bt_put(non_writer_trace);
2711         bt_put(non_writer_sc);
2712         bt_put(non_writer_stream);
2713         bt_put(non_writer_stream2);
2714         bt_put(packet_stream);
2715         bt_put(writer_ec);
2716         bt_put(non_writer_ec);
2717         bt_put(event);
2718         bt_put(event2);
2719         bt_put(int_field);
2720         bt_put(empty_struct_ft);
2721         bt_put(writer_clock);
2722         bt_put(non_writer_clock_class);
2723         bt_put(packet);
2724         bt_put(packet2);
2725         recursive_rmdir(trace_path);
2726 }
2727
2728 static
2729 void test_clock_utils(void)
2730 {
2731         int ret;
2732         struct bt_ctf_clock *clock = NULL;
2733
2734         clock = bt_ctf_clock_create("water");
2735         assert(clock);
2736         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2737         assert(!ret);
2738         ret = bt_ctf_clock_set_offset(clock, 1000);
2739         assert(!ret);
2740         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2741         assert(!ret);
2742         ret = bt_ctf_clock_set_frequency(clock, 1534);
2743         assert(!ret);
2744
2745         BT_PUT(clock);
2746 }
2747
2748 void test_set_clock_non_writer_stream_class(void)
2749 {
2750         struct bt_ctf_clock *clock;
2751         struct bt_ctf_trace *trace;
2752         struct bt_ctf_stream_class *sc;
2753         int ret;
2754
2755         clock = bt_ctf_clock_create("the_clock");
2756         assert(clock);
2757
2758         trace = bt_ctf_trace_create();
2759         assert(trace);
2760
2761         sc = bt_ctf_stream_class_create(NULL);
2762         assert(sc);
2763
2764         ret = bt_ctf_stream_class_set_clock(sc, clock);
2765         assert(ret == 0);
2766
2767         ret = bt_ctf_trace_add_stream_class(trace, sc);
2768         ok(ret < 0,
2769                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2770
2771         bt_put(clock);
2772         bt_put(trace);
2773         bt_put(sc);
2774 }
2775
2776 static
2777 void test_static_trace(void)
2778 {
2779         struct bt_ctf_trace *trace;
2780         struct bt_ctf_stream_class *stream_class;
2781         struct bt_ctf_stream_class *stream_class2;
2782         struct bt_ctf_stream *stream;
2783         struct bt_ctf_clock_class *clock_class;
2784         int ret;
2785
2786         trace = bt_ctf_trace_create();
2787         assert(trace);
2788         ret = bt_ctf_trace_set_native_byte_order(trace,
2789                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2790         assert(ret == 0);
2791         stream_class = bt_ctf_stream_class_create(NULL);
2792         assert(stream_class);
2793         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2794         assert(ret == 0);
2795         stream = bt_ctf_stream_create(stream_class, "hello");
2796         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2797         bt_put(stream);
2798         ok(!bt_ctf_trace_is_static(trace),
2799                 "bt_ctf_trace_is_static() returns the expected value");
2800         ok(bt_ctf_trace_set_is_static(trace) == 0,
2801                 "bt_ctf_trace_set_is_static() succeeds");
2802         ok(bt_ctf_trace_is_static(trace),
2803                 "bt_ctf_trace_is_static() returns the expected value");
2804         clock_class = bt_ctf_clock_class_create("yes");
2805         assert(clock_class);
2806         stream_class2 = bt_ctf_stream_class_create(NULL);
2807         assert(stream_class2);
2808         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2809                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2810         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2811                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2812         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2813                 "bt_ctf_stream_create() fails with a static trace");
2814
2815         bt_put(trace);
2816         bt_put(stream_class);
2817         bt_put(stream_class2);
2818         bt_put(clock_class);
2819 }
2820
2821 int main(int argc, char **argv)
2822 {
2823         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2824         char metadata_path[sizeof(trace_path) + 9];
2825         const char *clock_name = "test_clock";
2826         const char *clock_description = "This is a test clock";
2827         const char *returned_clock_name;
2828         const char *returned_clock_description;
2829         const uint64_t frequency = 1123456789;
2830         const int64_t offset_s = 1351530929945824323;
2831         const int64_t offset = 1234567;
2832         int64_t get_offset_s,
2833                 get_offset;
2834         const uint64_t precision = 10;
2835         const int is_absolute = 0xFF;
2836         char *metadata_string;
2837         struct bt_ctf_writer *writer;
2838         struct utsname name;
2839         char hostname[BABELTRACE_HOST_NAME_MAX];
2840         struct bt_ctf_clock *clock, *ret_clock;
2841         struct bt_ctf_clock_class *ret_clock_class;
2842         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2843         struct bt_ctf_stream *stream1;
2844         struct bt_ctf_stream *stream;
2845         const char *ret_string;
2846         const unsigned char *ret_uuid;
2847         unsigned char tmp_uuid[16] = { 0 };
2848         struct bt_ctf_field_type *packet_context_type,
2849                 *packet_context_field_type,
2850                 *packet_header_type,
2851                 *packet_header_field_type,
2852                 *integer_type,
2853                 *stream_event_context_type,
2854                 *ret_field_type,
2855                 *event_header_field_type;
2856         struct bt_ctf_field *packet_header, *packet_header_field;
2857         struct bt_ctf_trace *trace;
2858         int ret;
2859         int64_t ret_int64_t;
2860         struct bt_value *obj;
2861
2862         if (argc < 2) {
2863                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2864                 return -1;
2865         }
2866
2867         plan_tests(NR_TESTS);
2868
2869         if (!bt_mkdtemp(trace_path)) {
2870                 perror("# perror");
2871         }
2872
2873         strcpy(metadata_path, trace_path);
2874         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2875
2876         writer = bt_ctf_writer_create(trace_path);
2877         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2878
2879         ok(!bt_ctf_writer_get_trace(NULL),
2880                 "bt_ctf_writer_get_trace correctly handles NULL");
2881         trace = bt_ctf_writer_get_trace(writer);
2882         ok(trace,
2883                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2884         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2885                 "Set a trace's byte order to big endian");
2886         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2887                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2888
2889         /* Add environment context to the trace */
2890         ret = gethostname(hostname, sizeof(hostname));
2891         if (ret < 0) {
2892                 return ret;
2893         }
2894         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2895                 "Add host (%s) environment field to writer instance",
2896                 hostname);
2897         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2898                 "test_value"),
2899                 "bt_ctf_writer_add_environment_field error with NULL writer");
2900         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2901                 "test_value"),
2902                 "bt_ctf_writer_add_environment_field error with NULL field name");
2903         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2904                 NULL),
2905                 "bt_ctf_writer_add_environment_field error with NULL field value");
2906
2907         /* Test bt_ctf_trace_set_environment_field with an integer object */
2908         obj = bt_value_integer_create_init(23);
2909         assert(obj);
2910         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2911                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2912         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2913                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2914         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2915                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2916         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2917                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2918         BT_PUT(obj);
2919
2920         /* Test bt_ctf_trace_set_environment_field with a string object */
2921         obj = bt_value_string_create_init("the value");
2922         assert(obj);
2923         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2924                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2925         BT_PUT(obj);
2926
2927         /* Test bt_ctf_trace_set_environment_field_integer */
2928         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2929                 -194875),
2930                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2931         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2932                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2933         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2934                 -164973),
2935                 "bt_ctf_trace_set_environment_field_integer succeeds");
2936
2937         /* Test bt_ctf_trace_set_environment_field_string */
2938         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2939                 "yeah"),
2940                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2941         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2942                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2943         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2944                 NULL),
2945                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2946         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2947                 "oh yeah"),
2948                 "bt_ctf_trace_set_environment_field_string succeeds");
2949
2950         /* Test bt_ctf_trace_get_environment_field_count */
2951         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2952                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2953         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2954                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2955
2956         /* Test bt_ctf_trace_get_environment_field_name */
2957         ok(bt_ctf_trace_get_environment_field_name(NULL, 0) == NULL,
2958                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2959         ok(bt_ctf_trace_get_environment_field_name(trace, -1) == NULL,
2960                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2961         ok(bt_ctf_trace_get_environment_field_name(trace, 5) == NULL,
2962                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2963         ret_string = bt_ctf_trace_get_environment_field_name(trace, 0);
2964         ok(ret_string && !strcmp(ret_string, "host"),
2965                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2966         ret_string = bt_ctf_trace_get_environment_field_name(trace, 1);
2967         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2968                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2969         ret_string = bt_ctf_trace_get_environment_field_name(trace, 2);
2970         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2971                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2972         ret_string = bt_ctf_trace_get_environment_field_name(trace, 3);
2973         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2974                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2975         ret_string = bt_ctf_trace_get_environment_field_name(trace, 4);
2976         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2977                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2978
2979         /* Test bt_ctf_trace_get_environment_field_value */
2980         ok(bt_ctf_trace_get_environment_field_value(NULL, 0) == NULL,
2981                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
2982         ok(bt_ctf_trace_get_environment_field_value(trace, -1) == NULL,
2983                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
2984         ok(bt_ctf_trace_get_environment_field_value(trace, 5) == NULL,
2985                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
2986         obj = bt_ctf_trace_get_environment_field_value(trace, 1);
2987         ret = bt_value_integer_get(obj, &ret_int64_t);
2988         ok(!ret && ret_int64_t == 23,
2989                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
2990         BT_PUT(obj);
2991         obj = bt_ctf_trace_get_environment_field_value(trace, 2);
2992         ret = bt_value_string_get(obj, &ret_string);
2993         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
2994                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
2995         BT_PUT(obj);
2996
2997         /* Test bt_ctf_trace_get_environment_field_value_by_name */
2998         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
2999                 "test_env_str"),
3000                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3001         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3002                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3003         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3004                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3005         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3006                 "test_env_str");
3007         ret = bt_value_string_get(obj, &ret_string);
3008         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3009                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3010         BT_PUT(obj);
3011
3012         /* Test environment field replacement */
3013         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3014                 654321),
3015                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3016         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3017                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3018         obj = bt_ctf_trace_get_environment_field_value(trace, 3);
3019         ret = bt_value_integer_get(obj, &ret_int64_t);
3020         ok(!ret && ret_int64_t == 654321,
3021                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3022         BT_PUT(obj);
3023
3024         /* On Solaris, uname() can return any positive value on success */
3025         if (uname(&name) < 0) {
3026                 perror("uname");
3027                 return -1;
3028         }
3029
3030         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3031                 == 0, "Add sysname (%s) environment field to writer instance",
3032                 name.sysname);
3033         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3034                 name.nodename) == 0,
3035                 "Add nodename (%s) environment field to writer instance",
3036                 name.nodename);
3037         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3038                 == 0, "Add release (%s) environment field to writer instance",
3039                 name.release);
3040         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3041                 == 0, "Add version (%s) environment field to writer instance",
3042                 name.version);
3043         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3044                 == 0, "Add machine (%s) environment field to writer istance",
3045                 name.machine);
3046
3047         /* Define a clock and add it to the trace */
3048         ok(bt_ctf_clock_create("signed") == NULL,
3049                 "Illegal clock name rejected");
3050         clock = bt_ctf_clock_create(clock_name);
3051         ok(clock, "Clock created sucessfully");
3052         returned_clock_name = bt_ctf_clock_get_name(clock);
3053         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3054         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3055                 "Returned clock name is valid");
3056
3057         returned_clock_description = bt_ctf_clock_get_description(clock);
3058         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3059         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3060                 "Clock description set successfully");
3061
3062         returned_clock_description = bt_ctf_clock_get_description(clock);
3063         ok(returned_clock_description,
3064                 "bt_ctf_clock_get_description returns a description.");
3065         ok(returned_clock_description ?
3066                 !strcmp(returned_clock_description, clock_description) : 0,
3067                 "Returned clock description is valid");
3068
3069         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3070                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3071         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3072                 "Set clock frequency");
3073         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3074                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3075
3076         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3077                 "bt_ctf_clock_get_offset_s succeeds");
3078         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3079                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3080         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3081                 "Set clock offset (seconds)");
3082         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3083                 "bt_ctf_clock_get_offset_s succeeds");
3084         ok(get_offset_s == offset_s,
3085                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3086
3087         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3088                 "bt_ctf_clock_get_offset succeeds");
3089         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3090                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3091         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3092         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3093                 "bt_ctf_clock_get_offset succeeds");
3094         ok(get_offset == offset,
3095                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3096
3097         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3098                 "bt_ctf_clock_get_precision returns the correct default precision");
3099         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3100                 "Set clock precision");
3101         ok(bt_ctf_clock_get_precision(clock) == precision,
3102                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3103
3104         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3105                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3106         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3107                 "Set clock absolute property");
3108         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3109                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3110
3111         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3112                 "Set clock time");
3113
3114         ok(!bt_ctf_clock_get_name(NULL),
3115                 "bt_ctf_clock_get_name correctly handles NULL");
3116         ok(!bt_ctf_clock_get_description(NULL),
3117                 "bt_ctf_clock_get_description correctly handles NULL");
3118         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3119                 "bt_ctf_clock_get_frequency correctly handles NULL");
3120         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3121                 "bt_ctf_clock_get_precision correctly handles NULL");
3122         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3123                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3124         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3125                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3126         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3127                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3128         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3129                 "bt_ctf_clock_get_offset correctly handles NULL output");
3130         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3131                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3132
3133         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3134                 "bt_ctf_clock_set_description correctly handles NULL clock");
3135         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3136                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3137         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3138                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3139         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3140                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3141         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3142                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3143         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3144                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3145         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3146                 "bt_ctf_clock_set_time correctly handles NULL clock");
3147         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3148                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3149         ret_uuid = bt_ctf_clock_get_uuid(clock);
3150         ok(ret_uuid,
3151                 "bt_ctf_clock_get_uuid returns a UUID");
3152         if (ret_uuid) {
3153                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3154                 /* Slightly modify UUID */
3155                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3156         }
3157
3158         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3159                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3160         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3161                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3162         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3163                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3164         ret_uuid = bt_ctf_clock_get_uuid(clock);
3165         ok(ret_uuid,
3166                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3167         ok(uuid_match(ret_uuid, tmp_uuid),
3168                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3169
3170         /* Define a stream class */
3171         stream_class = bt_ctf_stream_class_create("test_stream");
3172
3173         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3174                 "bt_ctf_stream_class_get_name handles NULL correctly");
3175         ret_string = bt_ctf_stream_class_get_name(stream_class);
3176         ok(ret_string && !strcmp(ret_string, "test_stream"),
3177                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3178
3179         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3180                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3181         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3182                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3183
3184         ok(stream_class, "Create stream class");
3185         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3186                 "Set a stream class' clock");
3187         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3188         ok(ret_clock == clock,
3189                 "bt_ctf_stream_class_get_clock returns a correct clock");
3190         bt_put(ret_clock);
3191
3192         /* Test the event fields and event types APIs */
3193         type_field_tests();
3194
3195         /* Test fields copying */
3196         field_copy_tests();
3197
3198         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3199                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3200         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3201                 "bt_ctf_stream_class_get_id handles NULL correctly");
3202         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3203                 "bt_ctf_stream_class_set_id handles NULL correctly");
3204         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3205                 "Set an stream class' id");
3206         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3207                 "bt_ctf_stream_class_get_id returns the correct value");
3208
3209         /* Validate default event header fields */
3210         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3211                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3212         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3213                 stream_class);
3214         ok(ret_field_type,
3215                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3216         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3217                 "Default event header type is a structure");
3218         event_header_field_type =
3219                 bt_ctf_field_type_structure_get_field_type_by_name(
3220                 ret_field_type, "id");
3221         ok(event_header_field_type,
3222                 "Default event header type contains an \"id\" field");
3223         ok(bt_ctf_field_type_get_type_id(
3224                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3225                 "Default event header \"id\" field is an integer");
3226         bt_put(event_header_field_type);
3227         event_header_field_type =
3228                 bt_ctf_field_type_structure_get_field_type_by_name(
3229                 ret_field_type, "timestamp");
3230         ok(event_header_field_type,
3231                 "Default event header type contains a \"timestamp\" field");
3232         ok(bt_ctf_field_type_get_type_id(
3233                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3234                 "Default event header \"timestamp\" field is an integer");
3235         bt_put(event_header_field_type);
3236         bt_put(ret_field_type);
3237
3238         /* Add a custom trace packet header field */
3239         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3240                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3241         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3242         ok(packet_header_type,
3243                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3244         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3245                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3246         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3247                 packet_header_type, "magic");
3248         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3249         bt_put(ret_field_type);
3250         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3251                 packet_header_type, "uuid");
3252         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3253         bt_put(ret_field_type);
3254         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3255                 packet_header_type, "stream_id");
3256         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3257         bt_put(ret_field_type);
3258
3259         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3260         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3261                 packet_header_field_type, "custom_trace_packet_header_field"),
3262                 "Added a custom trace packet header field successfully");
3263
3264         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3265                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3266         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3267                 "Set a trace packet_header_type successfully");
3268
3269         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3270                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3271
3272         /* Add a custom field to the stream class' packet context */
3273         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3274         ok(packet_context_type,
3275                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3276         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3277                 "Packet context is a structure");
3278
3279         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3280                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3281
3282         integer_type = bt_ctf_field_type_integer_create(32);
3283         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3284                 integer_type) < 0,
3285                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3286         /* Create a "uint5_t" equivalent custom packet context field */
3287         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3288
3289         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3290                 packet_context_field_type, "custom_packet_context_field");
3291         ok(ret == 0, "Packet context field added successfully");
3292
3293         /* Define a stream event context containing a my_integer field. */
3294         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3295                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3296         ok(bt_ctf_stream_class_get_event_context_type(
3297                 stream_class) == NULL,
3298                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3299         stream_event_context_type = bt_ctf_field_type_structure_create();
3300         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3301                 integer_type, "common_event_context");
3302
3303         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3304                 stream_event_context_type) < 0,
3305                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3306         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3307                 integer_type) < 0,
3308                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3309
3310         ok(bt_ctf_stream_class_set_event_context_type(
3311                 stream_class, stream_event_context_type) == 0,
3312                 "Set a new stream event context type");
3313         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3314                 stream_class);
3315         ok(ret_field_type == stream_event_context_type,
3316                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3317         bt_put(ret_field_type);
3318
3319         /* Instantiate a stream and append events */
3320         ret = bt_ctf_writer_add_clock(writer, clock);
3321         assert(ret == 0);
3322         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3323                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3324         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3325         ok(stream1, "Instanciate a stream class from writer");
3326         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3327                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3328         stream = bt_ctf_trace_get_stream(trace, 0);
3329         ok(stream == stream1,
3330                 "bt_ctf_trace_get_stream() succeeds and returns the correct value");
3331         BT_PUT(stream);
3332
3333         /*
3334          * Creating a stream through a writer adds the given stream
3335          * class to the writer's trace, thus registering the stream
3336          * class's clock to the trace.
3337          */
3338         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3339                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3340         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3341                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3342         ok(!bt_ctf_trace_get_clock_class(NULL, 0),
3343                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3344         ok(!bt_ctf_trace_get_clock_class(trace, -1),
3345                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3346         ok(!bt_ctf_trace_get_clock_class(trace, 1),
3347                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3348         ret_clock_class = bt_ctf_trace_get_clock_class(trace, 0);
3349         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3350                 bt_ctf_clock_get_name(clock)) == 0,
3351                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3352         bt_put(ret_clock_class);
3353         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3354                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3355         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3356                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3357         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3358                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3359         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3360         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3361                 bt_ctf_clock_get_name(clock)) == 0,
3362                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3363         bt_put(ret_clock_class);
3364         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3365                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3366
3367         ok(bt_ctf_stream_get_class(NULL) == NULL,
3368                 "bt_ctf_stream_get_class correctly handles NULL");
3369         ret_stream_class = bt_ctf_stream_get_class(stream1);
3370         ok(ret_stream_class,
3371                 "bt_ctf_stream_get_class returns a stream class");
3372         ok(ret_stream_class == stream_class,
3373                 "Returned stream class is of the correct type");
3374
3375         /*
3376          * Packet header, packet context, event header, and stream
3377          * event context types were copied for the resolving
3378          * process
3379          */
3380         BT_PUT(packet_header_type);
3381         BT_PUT(packet_context_type);
3382         BT_PUT(stream_event_context_type);
3383         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3384         assert(packet_header_type);
3385         packet_context_type =
3386                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3387         assert(packet_context_type);
3388         stream_event_context_type =
3389                 bt_ctf_stream_class_get_event_context_type(stream_class);
3390         assert(stream_event_context_type);
3391
3392         /*
3393          * Try to modify the packet context type after a stream has been
3394          * created.
3395          */
3396         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3397                 packet_header_field_type, "should_fail");
3398         ok(ret < 0,
3399                 "Trace packet header type can't be modified once a stream has been instanciated");
3400
3401         /*
3402          * Try to modify the packet context type after a stream has been
3403          * created.
3404          */
3405         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3406                 packet_context_field_type, "should_fail");
3407         ok(ret < 0,
3408                 "Packet context type can't be modified once a stream has been instanciated");
3409
3410         /*
3411          * Try to modify the stream event context type after a stream has been
3412          * created.
3413          */
3414         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3415                 integer_type, "should_fail");
3416         ok(ret < 0,
3417                 "Stream event context type can't be modified once a stream has been instanciated");
3418
3419         /* Should fail after instanciating a stream (frozen) */
3420         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3421                 "Changes to a stream class that was already instantiated fail");
3422
3423         /* Populate the custom packet header field only once for all tests */
3424         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3425                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3426         packet_header = bt_ctf_stream_get_packet_header(stream1);
3427         ok(packet_header,
3428                 "bt_ctf_stream_get_packet_header returns a packet header");
3429         ret_field_type = bt_ctf_field_get_type(packet_header);
3430         ok(ret_field_type == packet_header_type,
3431                 "Stream returns a packet header of the appropriate type");
3432         bt_put(ret_field_type);
3433         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3434                 "custom_trace_packet_header_field");
3435         ok(packet_header_field,
3436                 "Packet header structure contains a custom field with the appropriate name");
3437         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3438         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3439                 "Custom packet header field is of the expected type");
3440         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3441                 54321), "Set custom packet header value successfully");
3442         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3443                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3444         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3445                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3446         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3447                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3448         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3449                 "Successfully set a stream's packet header");
3450
3451         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3452                 "Add environment field to writer after stream creation");
3453
3454         test_clock_utils();
3455
3456         test_create_writer_vs_non_writer_mode();
3457
3458         test_set_clock_non_writer_stream_class();
3459
3460         test_instanciate_event_before_stream(writer, clock);
3461
3462         append_simple_event(stream_class, stream1, clock);
3463
3464         packet_resize_test(stream_class, stream1, clock);
3465
3466         append_complex_event(stream_class, stream1, clock);
3467
3468         append_existing_event_class(stream_class);
3469
3470         test_empty_stream(writer);
3471
3472         test_custom_event_header_stream(writer, clock);
3473
3474         test_static_trace();
3475
3476         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3477         ok(metadata_string, "Get metadata string");
3478
3479         bt_ctf_writer_flush_metadata(writer);
3480
3481         bt_put(clock);
3482         bt_put(ret_stream_class);
3483         bt_put(writer);
3484         bt_put(stream1);
3485         bt_put(packet_context_type);
3486         bt_put(packet_context_field_type);
3487         bt_put(integer_type);
3488         bt_put(stream_event_context_type);
3489         bt_put(ret_field_type);
3490         bt_put(packet_header_type);
3491         bt_put(packet_header_field_type);
3492         bt_put(packet_header);
3493         bt_put(packet_header_field);
3494         bt_put(trace);
3495         free(metadata_string);
3496         bt_put(stream_class);
3497
3498         validate_trace(argv[1], trace_path);
3499
3500         //recursive_rmdir(trace_path);
3501         return 0;
3502 }