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 614
  65
  66 static int64_t current_time = 42;
  67
  68 /* Return 1 if uuids match, zero if different. */
  69 static
  70 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  71 {
  72         int ret = 0;
  73         int i;
  74
  75         if (!uuid_a || !uuid_b) {
  76                 goto end;
  77         }
  78
  79         for (i = 0; i < 16; i++) {
  80                 if (uuid_a[i] != uuid_b[i]) {
  81                         goto end;
  82                 }
  83         }
  84
  85         ret = 1;
  86 end:
  87         return ret;
  88 }
  89
  90 static
  91 void validate_trace(char *parser_path, char *trace_path)
  92 {
  93         int ret = 0;
  94         char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
  95         int babeltrace_output_fd = -1;
  96
  97         if (!trace_path) {
  98                 ret = -1;
  99                 goto result;
 100         }
 101
 102         babeltrace_output_fd = mkstemp(babeltrace_output_path);
 103         unlink(babeltrace_output_path);
 104
 105         if (babeltrace_output_fd == -1) {
 106                 diag("Failed to create a temporary file for trace parsing.");
 107                 ret = -1;
 108                 goto result;
 109         }
 110
 111         pid_t pid = fork();
 112         if (pid) {
 113                 int status = 0;
 114                 waitpid(pid, &status, 0);
 115                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 116         } else {
 117                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 118                 if (ret < 0) {
 119                         perror("# dup2 babeltrace_output_fd to STDOUT");
 120                         goto result;
 121                 }
 122
 123                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 124                 if (ret < 0) {
 125                         perror("# dup2 babeltrace_output_fd to STDERR");
 126                         goto result;
 127                 }
 128
 129                 execl(parser_path, "babeltrace", trace_path, NULL);
 130                 perror("# Could not launch the babeltrace process");
 131                 exit(-1);
 132         }
 133 result:
 134         ok(ret == 0, "Babeltrace could read the resulting trace");
 135
 136         if (ret && babeltrace_output_fd >= 0) {
 137                 char *line;
 138                 size_t len = METADATA_LINE_SIZE;
 139                 FILE *babeltrace_output_fp = NULL;
 140
 141                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 142                 if (!babeltrace_output_fp) {
 143                         perror("fdopen on babeltrace_output_fd");
 144                         goto close_fp;
 145                 }
 146                 babeltrace_output_fd = -1;
 147
 148                 line = malloc(len);
 149                 if (!line) {
 150                         diag("malloc error");
 151                 }
 152                 rewind(babeltrace_output_fp);
 153                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 154                         diag("%s", line);
 155                 }
 156
 157                 free(line);
 158 close_fp:
 159                 if (babeltrace_output_fp) {
 160                         if (fclose(babeltrace_output_fp)) {
 161                                 diag("fclose error");
 162                         }
 163                 }
 164         }
 165
 166         if (babeltrace_output_fd >= 0) {
 167                 if (close(babeltrace_output_fd)) {
 168                         diag("close error");
 169                 }
 170         }
 171 }
 172
 173 static
 174 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 175                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 176 {
 177         /* Create and add a simple event class */
 178         struct bt_ctf_event_class *simple_event_class =
 179                 bt_ctf_event_class_create("Simple Event");
 180         struct bt_ctf_field_type *uint_12_type =
 181                 bt_ctf_field_type_integer_create(12);
 182         struct bt_ctf_field_type *int_64_type =
 183                 bt_ctf_field_type_integer_create(64);
 184         struct bt_ctf_field_type *float_type =
 185                 bt_ctf_field_type_floating_point_create();
 186         struct bt_ctf_field_type *enum_type;
 187         struct bt_ctf_field_type *enum_type_unsigned =
 188                 bt_ctf_field_type_enumeration_create(uint_12_type);
 189         struct bt_ctf_field_type *event_context_type =
 190                 bt_ctf_field_type_structure_create();
 191         struct bt_ctf_field_type *event_payload_type = NULL;
 192         struct bt_ctf_field_type *returned_type;
 193         struct bt_ctf_event *simple_event;
 194         struct bt_ctf_field *integer_field;
 195         struct bt_ctf_field *float_field;
 196         struct bt_ctf_field *enum_field;
 197         struct bt_ctf_field *enum_field_unsigned;
 198         struct bt_ctf_field *enum_container_field;
 199         const char *mapping_name_test = "truie";
 200         const double double_test_value = 3.1415;
 201         struct bt_ctf_field *enum_container_field_unsigned;
 202         const char *mapping_name_negative_test = "negative_value";
 203         const char *ret_char;
 204         double ret_double;
 205         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 206         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 207         struct bt_ctf_event_class *ret_event_class;
 208         struct bt_ctf_field *packet_context;
 209         struct bt_ctf_field *packet_context_field;
 210         struct bt_ctf_field *stream_event_context;
 211         struct bt_ctf_field *stream_event_context_field;
 212         struct bt_ctf_field *event_context;
 213         struct bt_ctf_field *event_context_field;
 214         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 215         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 216         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 217         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 218         int ret;
 219
 220         ok(uint_12_type, "Create an unsigned integer type");
 221
 222         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 223                 "Set signed 64 bit integer signedness to true");
 224         ok(int_64_type, "Create a signed integer type");
 225         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 226
 227         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 228         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 229         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 230         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 231                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 232         bt_put(returned_type);
 233
 234         bt_ctf_field_type_set_alignment(float_type, 32);
 235         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 236                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 237         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 238                 "bt_ctf_field_type_get_alignment returns a correct value");
 239
 240         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 241                 "Set a floating point type's exponent digit count");
 242         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 243                 "Set a floating point type's mantissa digit count");
 244
 245         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 246                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 247         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 248                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 249         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 250                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 251         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 252                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 253
 254         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 255                 mapping_name_negative_test, -12345, 0) == 0,
 256                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 257         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 258                 "escaping; \"test\"", 1, 1) == 0,
 259                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 260         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 261                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 262                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 263         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 264                 "event clock int float", 5, 22) == 0,
 265                 "Accept enumeration mapping strings containing reserved keywords");
 266         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 267                 42, 42);
 268         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 269                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 270         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 271                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 272         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 273                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 274         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 275
 276         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 277         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 278
 279         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 280         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 281
 282         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 283         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 284         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 285                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 286         BT_PUT(iter);
 287
 288         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 289                 "enum_field") == 0, "Add signed enumeration field to event");
 290
 291         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 292                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 293                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 294         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 295                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 296                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 297         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 298                 NULL, &ret_range_end_int64_t) == 0,
 299                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 300         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 301                 &ret_range_start_int64_t, NULL) == 0,
 302                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 303         /* Assumes entries are sorted by range_start values. */
 304         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 305                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 306                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 307         ok(!strcmp(ret_char, mapping_name_test),
 308                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 309         ok(ret_range_start_int64_t == 42,
 310                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 311         ok(ret_range_end_int64_t == 42,
 312                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 313
 314         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 315                 "escaping; \"test\"", 0, 0) == 0,
 316                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 317         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 318                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 319                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 320         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 321                 "event clock int float", 5, 22) == 0,
 322                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 323         bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 324                 42, 42);
 325         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 326                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 327         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 328                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 329         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 330                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 331         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 332                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 333
 334         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 335                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 336         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 337                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 338
 339         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 340                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 341                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 342         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 343                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 344                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 345         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 346                 NULL, &ret_range_end_uint64_t) == 0,
 347                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 348         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 349                 &ret_range_start_uint64_t, NULL) == 0,
 350                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 351         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 352                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 353                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 354         ok(!strcmp(ret_char, mapping_name_test),
 355                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 356         ok(ret_range_start_uint64_t == 42,
 357                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 358         ok(ret_range_end_uint64_t == 42,
 359                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 360
 361         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 362                 "integer_field");
 363         bt_ctf_event_class_add_field(simple_event_class, float_type,
 364                 "float_field");
 365
 366         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 367
 368         /* Set an event context type which will contain a single integer. */
 369         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 370                 "event_specific_context"),
 371                 "Add event specific context field");
 372         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 373                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 374         ok(bt_ctf_event_class_get_context_type(simple_event_class) == NULL,
 375                 "bt_ctf_event_class_get_context_type returns NULL when no event context type is set");
 376
 377         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 378                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 379         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 380                 "Set an event class' context type successfully");
 381         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 382         ok(returned_type == event_context_type,
 383                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 384         bt_put(returned_type);
 385
 386         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 387                 "Adding simple event class to stream class");
 388
 389         /*
 390          * bt_ctf_stream_class_add_event_class() copies the field types
 391          * of simple_event_class, so we retrieve the new ones to create
 392          * the appropriate fields.
 393          */
 394         BT_PUT(event_context_type);
 395         BT_PUT(event_payload_type);
 396         event_payload_type = bt_ctf_event_class_get_payload_type(
 397                 simple_event_class);
 398         assert(event_payload_type);
 399         event_context_type = bt_ctf_event_class_get_context_type(
 400                 simple_event_class);
 401         assert(event_context_type);
 402         ep_integer_field_type =
 403                 bt_ctf_field_type_structure_get_field_type_by_name(
 404                         event_payload_type, "integer_field");
 405         assert(ep_integer_field_type);
 406         ep_enum_field_type =
 407                 bt_ctf_field_type_structure_get_field_type_by_name(
 408                         event_payload_type, "enum_field");
 409         assert(ep_enum_field_type);
 410         ep_enum_field_unsigned_type =
 411                 bt_ctf_field_type_structure_get_field_type_by_name(
 412                         event_payload_type, "enum_field_unsigned");
 413         assert(ep_enum_field_unsigned_type);
 414
 415         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 416                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 417         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 418                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 419         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 420                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 421         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 422                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 423         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 424         ok(ret_event_class == simple_event_class,
 425                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 426         bt_put(ret_event_class);
 427         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 428                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 429         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 430                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 431         ret_event_class =
 432                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 433         ok(ret_event_class == simple_event_class,
 434                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 435         bt_put(ret_event_class);
 436
 437         simple_event = bt_ctf_event_create(simple_event_class);
 438         ok(simple_event,
 439                 "Instantiate an event containing a single integer field");
 440
 441         integer_field = bt_ctf_field_create(ep_integer_field_type);
 442         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 443         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 444                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 445
 446         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 447         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 448                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 449         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 450         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 451                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 452         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 453                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 454         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 455                 "bt_ctf_field_floating_point_get_value returns a double value");
 456         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 457                 "bt_ctf_field_floating_point_get_value returns a correct value");
 458
 459         enum_field = bt_ctf_field_create(ep_enum_field_type);
 460         assert(enum_field);
 461
 462         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 463         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 464         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 465         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 466         enum_container_field = bt_ctf_field_enumeration_get_container(
 467                 enum_field);
 468         ok(bt_ctf_field_signed_integer_set_value(
 469                 enum_container_field, -42) == 0,
 470                 "Set signed enumeration container value");
 471         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 472         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 473         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 474         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 475         ok(!strcmp(ret_char, mapping_name_negative_test),
 476                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 477         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 478         assert(!ret);
 479         BT_PUT(iter);
 480
 481         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 482         assert(enum_field_unsigned);
 483         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 484                 enum_field_unsigned);
 485         ok(bt_ctf_field_unsigned_integer_set_value(
 486                 enum_container_field_unsigned, 42) == 0,
 487                 "Set unsigned enumeration container value");
 488         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 489                 enum_field_unsigned);
 490         assert(!ret);
 491         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 492         assert(iter);
 493         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 494         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 495                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 496
 497         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 498
 499         /* Populate stream event context */
 500         stream_event_context =
 501                 bt_ctf_event_get_stream_event_context(simple_event);
 502         assert(stream_event_context);
 503         stream_event_context_field = bt_ctf_field_structure_get_field(
 504                 stream_event_context, "common_event_context");
 505         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 506
 507         /* Populate the event's context */
 508         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 509                 "bt_ctf_event_get_event_context handles NULL correctly");
 510         event_context = bt_ctf_event_get_event_context(simple_event);
 511         ok(event_context,
 512                 "bt_ctf_event_get_event_context returns a field");
 513         returned_type = bt_ctf_field_get_type(event_context);
 514         ok(returned_type == event_context_type,
 515                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 516         event_context_field = bt_ctf_field_structure_get_field(event_context,
 517                 "event_specific_context");
 518         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 519                 "Successfully set an event context's value");
 520         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 521                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 522         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 523                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 524         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 525                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 526         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 527                 "Set an event context successfully");
 528
 529         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 530                 "Append simple event to trace stream");
 531
 532         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 533                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 534         packet_context = bt_ctf_stream_get_packet_context(stream);
 535         ok(packet_context,
 536                 "bt_ctf_stream_get_packet_context returns a packet context");
 537
 538         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 539                 "packet_size");
 540         ok(packet_context_field,
 541                 "Packet context contains the default packet_size field.");
 542         bt_put(packet_context_field);
 543         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 544                 "custom_packet_context_field");
 545         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 546                 "Custom packet context field value successfully set.");
 547
 548         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 549                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 550         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 551                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 552         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 553                 "Successfully set a stream's packet context");
 554
 555         ok(bt_ctf_stream_flush(stream) == 0,
 556                 "Flush trace stream with one event");
 557
 558         bt_put(simple_event_class);
 559         bt_put(simple_event);
 560         bt_put(uint_12_type);
 561         bt_put(int_64_type);
 562         bt_put(float_type);
 563         bt_put(enum_type);
 564         bt_put(enum_type_unsigned);
 565         bt_put(returned_type);
 566         bt_put(event_context_type);
 567         bt_put(integer_field);
 568         bt_put(float_field);
 569         bt_put(enum_field);
 570         bt_put(enum_field_unsigned);
 571         bt_put(enum_container_field);
 572         bt_put(enum_container_field_unsigned);
 573         bt_put(packet_context);
 574         bt_put(packet_context_field);
 575         bt_put(stream_event_context);
 576         bt_put(stream_event_context_field);
 577         bt_put(event_context);
 578         bt_put(event_context_field);
 579         bt_put(event_payload_type);
 580         bt_put(ep_integer_field_type);
 581         bt_put(ep_enum_field_type);
 582         bt_put(ep_enum_field_unsigned_type);
 583         bt_put(iter);
 584 }
 585
 586 static
 587 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 588                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 589 {
 590         struct event_class_attrs_counts {
 591                 int id;
 592                 int name;
 593                 int loglevel;
 594                 int modelemfuri;
 595                 int unknown;
 596         } attrs_count;
 597
 598         int i;
 599         int ret;
 600         int64_t int64_value;
 601         struct event_class_attrs_counts ;
 602         const char *complex_test_event_string = "Complex Test Event";
 603         const char *test_string_1 = "Test ";
 604         const char *test_string_2 = "string ";
 605         const char *test_string_3 = "abcdefghi";
 606         const char *test_string_4 = "abcd\0efg\0hi";
 607         const char *test_string_cat = "Test string abcdeabcd";
 608         struct bt_ctf_field_type *uint_35_type =
 609                 bt_ctf_field_type_integer_create(35);
 610         struct bt_ctf_field_type *int_16_type =
 611                 bt_ctf_field_type_integer_create(16);
 612         struct bt_ctf_field_type *uint_3_type =
 613                 bt_ctf_field_type_integer_create(3);
 614         struct bt_ctf_field_type *enum_variant_type =
 615                 bt_ctf_field_type_enumeration_create(uint_3_type);
 616         struct bt_ctf_field_type *variant_type =
 617                 bt_ctf_field_type_variant_create(enum_variant_type,
 618                         "variant_selector");
 619         struct bt_ctf_field_type *string_type =
 620                 bt_ctf_field_type_string_create();
 621         struct bt_ctf_field_type *sequence_type;
 622         struct bt_ctf_field_type *array_type;
 623         struct bt_ctf_field_type *inner_structure_type =
 624                 bt_ctf_field_type_structure_create();
 625         struct bt_ctf_field_type *complex_structure_type =
 626                 bt_ctf_field_type_structure_create();
 627         struct bt_ctf_field_type *ret_field_type;
 628         struct bt_ctf_event_class *event_class;
 629         struct bt_ctf_event *event;
 630         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 631                 *inner_structure_field, *complex_structure_field,
 632                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 633                 *variant_field, *an_array_field, *stream_event_ctx_field,
 634                 *stream_event_ctx_int_field, *ret_field;
 635         uint64_t ret_unsigned_int;
 636         int64_t ret_signed_int;
 637         const char *ret_string;
 638         struct bt_ctf_stream_class *ret_stream_class;
 639         struct bt_ctf_event_class *ret_event_class;
 640         struct bt_ctf_field *packet_context, *packet_context_field;
 641         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 642         struct bt_value *obj;
 643
 644         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 645                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 646         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 647                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 648         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 649                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 650         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 651                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 652         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 653                 "Set alignment of signed 16 bit integer to 32");
 654         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 655                 "Set integer signedness to true");
 656         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 657                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 658                 "Set signed 16 bit integer base to hexadecimal");
 659
 660         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 661         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 662                 "seq_len");
 663
 664         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 665                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 666         ret_field_type = bt_ctf_field_type_array_get_element_type(
 667                 array_type);
 668         ok(ret_field_type == int_16_type,
 669                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 670         bt_put(ret_field_type);
 671
 672         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 673                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 674         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 675                 "bt_ctf_field_type_array_get_length returns the correct length");
 676
 677         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 678                 inner_structure_type, "yes"), "Cannot add self to structure");
 679         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 680                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 681         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 682                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 683         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 684                 array_type, "an_array"), "Add an_array field to inner structure");
 685
 686         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 687                 "UINT3_TYPE", 0, 0);
 688         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 689                 "INT16_TYPE", 1, 1);
 690         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 691                 "UINT35_TYPE", 2, 7);
 692
 693         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 694         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 695
 696         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 697         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 698         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 699                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 700         BT_PUT(iter);
 701
 702         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 703         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 704
 705         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 706         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 707
 708         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 709         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 710         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 711                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 712         BT_PUT(iter);
 713
 714         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 715         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 716         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 717                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 718         BT_PUT(iter);
 719
 720         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 721                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 722         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 723                 "UINT3_TYPE") == 0, "Add a field to a variant");
 724         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 725                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 726         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 727                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 728
 729         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 730                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 731         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 732         ok(ret_field_type == enum_variant_type,
 733                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 734         bt_put(ret_field_type);
 735
 736         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 737                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 738         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 739         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 740                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 741         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 742                 "INT16_TYPE") == NULL,
 743                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 744         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 745                 NULL) == NULL,
 746                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 747         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 748                 variant_type, "INT16_TYPE");
 749         ok(ret_field_type == int_16_type,
 750                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 751         bt_put(ret_field_type);
 752
 753         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 754                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 755         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 756                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 757
 758         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 759                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 760         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 761                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 762         bt_put(ret_field_type);
 763         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 764                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 765         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 766                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 767         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 768                 "bt_ctf_field_type_variant_get_field returns a field");
 769         ok(!strcmp("INT16_TYPE", ret_string),
 770                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 771         ok(ret_field_type == int_16_type,
 772                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 773         bt_put(ret_field_type);
 774
 775         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 776                 enum_variant_type, "variant_selector"),
 777                 "Add variant_selector field to complex structure");
 778         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 779                 string_type, "a_string"), "Add a_string field to complex structure");
 780         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 781                 variant_type, "variant_value"),
 782                 "Add variant_value field to complex structure");
 783         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 784                 inner_structure_type, "inner_structure"),
 785                 "Add inner_structure field to complex structure");
 786
 787         ok(bt_ctf_event_class_create("clock") == NULL,
 788                 "Reject creation of an event class with an illegal name");
 789         event_class = bt_ctf_event_class_create(complex_test_event_string);
 790         ok(event_class, "Create an event class");
 791         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 792                 "Reject addition of a field with an empty name to an event");
 793         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 794                 "Reject addition of a field with a NULL type to an event");
 795         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 796                 "int"),
 797                 "Reject addition of a type with an illegal name to an event");
 798         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 799                 "uint_35") == 0,
 800                 "Add field of type unsigned integer to an event");
 801         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 802                 "int_16") == 0, "Add field of type signed integer to an event");
 803         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 804                 "complex_structure") == 0,
 805                 "Add composite structure to an event");
 806
 807         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 808                 "bt_ctf_event_class_get_name handles NULL correctly");
 809         ret_string = bt_ctf_event_class_get_name(event_class);
 810         ok(!strcmp(ret_string, complex_test_event_string),
 811                 "bt_ctf_event_class_get_name returns a correct name");
 812         ok(bt_ctf_event_class_get_id(event_class) < 0,
 813                 "bt_ctf_event_class_get_id returns a negative value when not set");
 814         ok(bt_ctf_event_class_get_id(NULL) < 0,
 815                 "bt_ctf_event_class_get_id handles NULL correctly");
 816         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 817                 "bt_ctf_event_class_set_id handles NULL correctly");
 818         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 819                 "Set an event class' id");
 820         ok(bt_ctf_event_class_get_id(event_class) == 42,
 821                 "bt_ctf_event_class_get_id returns the correct value");
 822
 823         /* Test event class attributes */
 824         obj = bt_value_integer_create_init(15);
 825         assert(obj);
 826         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 827                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 828         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 829                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 830         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 831                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 832         assert(!bt_value_integer_set(obj, -3));
 833         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 834                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 835         assert(!bt_value_integer_set(obj, 11));
 836         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 837         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 838                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 839         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 840         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 841         ok(ret,
 842                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 843         BT_PUT(obj);
 844
 845         obj = bt_value_integer_create_init(5);
 846         assert(obj);
 847         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 848                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 849         BT_PUT(obj);
 850         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 851                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 852         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 853                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 854         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 855                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 856         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 857                 "loglevel");
 858         int64_value = 0;
 859         ret = bt_value_integer_get(obj, &int64_value);
 860         ok(obj && !ret && int64_value == 5,
 861                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 862         BT_PUT(obj);
 863
 864         obj = bt_value_string_create_init("nu name");
 865         assert(obj);
 866         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 867         ret_string = bt_ctf_event_class_get_name(event_class);
 868         ok(!strcmp(ret_string, "nu name"),
 869                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 870         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 871         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 872         ok(ret,
 873                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 874         BT_PUT(obj);
 875         obj = bt_value_string_create_init("http://kernel.org/");
 876         assert(obj);
 877         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 878         BT_PUT(obj);
 879
 880         ok(bt_ctf_event_class_get_attribute_count(NULL),
 881                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 882         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 883                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 884         ok(!bt_ctf_event_class_get_attribute_name_by_index(NULL, 0),
 885                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 886         ok(!bt_ctf_event_class_get_attribute_name_by_index(event_class, 4),
 887                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 888         ok(!bt_ctf_event_class_get_attribute_value_by_index(NULL, 0),
 889                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 890         ok(!bt_ctf_event_class_get_attribute_value_by_index(event_class, 4),
 891                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 892
 893         memset(&attrs_count, 0, sizeof(attrs_count));
 894
 895         for (i = 0; i < 4; ++i) {
 896                 ret_string = bt_ctf_event_class_get_attribute_name_by_index(
 897                         event_class, i);
 898                 obj = bt_ctf_event_class_get_attribute_value_by_index(
 899                         event_class, i);
 900                 assert(ret_string && obj);
 901
 902                 if (!strcmp(ret_string, "id")) {
 903                         attrs_count.id++;
 904                         ok(bt_value_is_integer(obj),
 905                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 906                                 ret_string);
 907                 } else if (!strcmp(ret_string, "name")) {
 908                         attrs_count.name++;
 909                         ok(bt_value_is_string(obj),
 910                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 911                                 ret_string);
 912                 } else if (!strcmp(ret_string, "loglevel")) {
 913                         attrs_count.loglevel++;
 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, "model.emf.uri")) {
 918                         attrs_count.modelemfuri++;
 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 {
 923                         attrs_count.unknown++;
 924                 }
 925
 926                 BT_PUT(obj);
 927         }
 928
 929         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 930         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 931                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 932                 "event class has one instance of each known attribute");
 933
 934         /* Add event class to the stream class */
 935         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 936                 "Reject addition of NULL event class to a stream class");
 937         ok(bt_ctf_stream_class_add_event_class(stream_class,
 938                 event_class) == 0, "Add an event class to stream class");
 939
 940         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 941                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 942         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 943         ok(ret_stream_class == stream_class,
 944                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 945         bt_put(ret_stream_class);
 946
 947         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 948                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 949         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 950                 "bt_ctf_event_class_get_field_count returns a correct value");
 951
 952         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 953                 &ret_field_type, 0) < 0,
 954                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 955         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 956                 &ret_field_type, 0) == 0,
 957                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 958         bt_put(ret_field_type);
 959         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 960                 NULL, 0) == 0,
 961                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 962         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 963                 &ret_field_type, 42) < 0,
 964                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 965         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 966                 &ret_field_type, 0) == 0,
 967                 "bt_ctf_event_class_get_field returns a field");
 968         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 969                 "bt_ctf_event_class_get_field returns a correct field type");
 970         bt_put(ret_field_type);
 971         ok(!strcmp(ret_string, "uint_35"),
 972                 "bt_ctf_event_class_get_field returns a correct field name");
 973         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 974                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 975         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 976                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 977         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 978                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 979         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 980                 "complex_structure");
 981         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 982                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 983         bt_put(ret_field_type);
 984
 985         event = bt_ctf_event_create(event_class);
 986         ok(event, "Instanciate a complex event");
 987
 988         ok(bt_ctf_event_get_class(NULL) == NULL,
 989                 "bt_ctf_event_get_class handles NULL correctly");
 990         ret_event_class = bt_ctf_event_get_class(event);
 991         ok(ret_event_class == event_class,
 992                 "bt_ctf_event_get_class returns the correct event class");
 993         bt_put(ret_event_class);
 994
 995         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 996         if (!uint_35_field) {
 997                 printf("uint_35_field is NULL\n");
 998         }
 999
1000         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
1001         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1002         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1003                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1004         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1005                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1006         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1007                 &ret_unsigned_int) == 0,
1008                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1009         ok(ret_unsigned_int == 0x0DDF00D,
1010                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1011         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1012                 &ret_signed_int) < 0,
1013                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1014         bt_put(uint_35_field);
1015
1016         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1017         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1018         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1019                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1020         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1021                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1022         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1023                 &ret_signed_int) == 0,
1024                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1025         ok(ret_signed_int == -12345,
1026                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1027         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1028                 &ret_unsigned_int) < 0,
1029                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1030         bt_put(int_16_field);
1031
1032         complex_structure_field = bt_ctf_event_get_payload(event,
1033                 "complex_structure");
1034
1035         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1036                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1037         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1038                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1039         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1040                 complex_structure_field, 3);
1041         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1042         bt_put(inner_structure_field);
1043         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1044                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1045         bt_put(ret_field_type);
1046
1047         inner_structure_field = bt_ctf_field_structure_get_field(
1048                 complex_structure_field, "inner_structure");
1049         a_string_field = bt_ctf_field_structure_get_field(
1050                 complex_structure_field, "a_string");
1051         enum_variant_field = bt_ctf_field_structure_get_field(
1052                 complex_structure_field, "variant_selector");
1053         variant_field = bt_ctf_field_structure_get_field(
1054                 complex_structure_field, "variant_value");
1055         uint_35_field = bt_ctf_field_structure_get_field(
1056                 inner_structure_field, "seq_len");
1057         a_sequence_field = bt_ctf_field_structure_get_field(
1058                 inner_structure_field, "a_sequence");
1059         an_array_field = bt_ctf_field_structure_get_field(
1060                 inner_structure_field, "an_array");
1061
1062         enum_container_field = bt_ctf_field_enumeration_get_container(
1063                 enum_variant_field);
1064         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1065         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1066                 enum_variant_field);
1067         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1068         bt_put(int_16_field);
1069         ok(!bt_ctf_field_string_get_value(a_string_field),
1070                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1071         bt_ctf_field_string_set_value(a_string_field,
1072                 test_string_1);
1073         ok(!bt_ctf_field_string_get_value(NULL),
1074                 "bt_ctf_field_string_get_value correctly handles NULL");
1075         ok(bt_ctf_field_string_append(NULL, "yeah"),
1076                 "bt_ctf_field_string_append correctly handles a NULL string field");
1077         ok(bt_ctf_field_string_append(a_string_field, NULL),
1078                 "bt_ctf_field_string_append correctly handles a NULL string value");
1079         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1080                 "bt_ctf_field_string_append succeeds");
1081         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1082                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1083         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1084                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1085         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1086                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1087         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1088                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1089         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1090                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1091         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1092                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1093
1094         ret_string = bt_ctf_field_string_get_value(a_string_field);
1095         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1096         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1097                 "bt_ctf_field_string_get_value returns a correct value");
1098         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1099                 SEQUENCE_TEST_LENGTH);
1100
1101         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1102                 enum_container_field) == NULL,
1103                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1104         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1105                 NULL) == NULL,
1106                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1107         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1108                 variant_type, enum_variant_field);
1109         ok(ret_field_type == int_16_type,
1110                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1111
1112         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1113                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1114         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1115                 uint_35_field) == 0, "Set a sequence field's length");
1116         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1117         ok(ret_field == uint_35_field,
1118                 "bt_ctf_field_sequence_get_length returns the correct length field");
1119         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1120                 "bt_ctf_field_sequence_get_length properly handles NULL");
1121
1122         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1123                 int_16_field = bt_ctf_field_sequence_get_field(
1124                         a_sequence_field, i);
1125                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1126                 bt_put(int_16_field);
1127         }
1128
1129         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1130                 int_16_field = bt_ctf_field_array_get_field(
1131                         an_array_field, i);
1132                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1133                 bt_put(int_16_field);
1134         }
1135
1136         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1137         assert(stream_event_ctx_field);
1138         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1139                 stream_event_ctx_field, "common_event_context");
1140         BT_PUT(stream_event_ctx_field);
1141         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1142         BT_PUT(stream_event_ctx_int_field);
1143
1144         bt_ctf_clock_set_time(clock, ++current_time);
1145         ok(bt_ctf_stream_append_event(stream, event) == 0,
1146                 "Append a complex event to a stream");
1147
1148         /*
1149          * Populate the custom packet context field with a dummy value
1150          * otherwise flush will fail.
1151          */
1152         packet_context = bt_ctf_stream_get_packet_context(stream);
1153         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1154                 "custom_packet_context_field");
1155         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1156
1157         ok(bt_ctf_stream_flush(stream) == 0,
1158                 "Flush a stream containing a complex event");
1159
1160         bt_put(uint_35_field);
1161         bt_put(a_string_field);
1162         bt_put(inner_structure_field);
1163         bt_put(complex_structure_field);
1164         bt_put(a_sequence_field);
1165         bt_put(an_array_field);
1166         bt_put(enum_variant_field);
1167         bt_put(enum_container_field);
1168         bt_put(variant_field);
1169         bt_put(ret_field);
1170         bt_put(packet_context_field);
1171         bt_put(packet_context);
1172         bt_put(uint_35_type);
1173         bt_put(int_16_type);
1174         bt_put(string_type);
1175         bt_put(sequence_type);
1176         bt_put(array_type);
1177         bt_put(inner_structure_type);
1178         bt_put(complex_structure_type);
1179         bt_put(uint_3_type);
1180         bt_put(enum_variant_type);
1181         bt_put(variant_type);
1182         bt_put(ret_field_type);
1183         bt_put(event_class);
1184         bt_put(event);
1185 }
1186
1187 static
1188 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1189                 struct bt_ctf_field_type *expected_type, const char *name)
1190 {
1191         struct bt_ctf_field_type *copy_type;
1192
1193         copy_type = bt_ctf_field_get_type(field);
1194         ok(copy_type == expected_type,
1195                 "bt_ctf_field_copy does not copy the type (%s)", name);
1196         bt_put(copy_type);
1197 }
1198
1199 static
1200 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1201                 struct bt_ctf_field *field_b, const char *name)
1202 {
1203         ok(field_a != field_b,
1204                 "bt_ctf_field_copy creates different pointers (%s)", name);
1205 }
1206
1207 static
1208 void field_copy_tests()
1209 {
1210         struct bt_ctf_field_type *len_type = NULL;
1211         struct bt_ctf_field_type *fp_type = NULL;
1212         struct bt_ctf_field_type *s_type = NULL;
1213         struct bt_ctf_field_type *e_int_type = NULL;
1214         struct bt_ctf_field_type *e_type = NULL;
1215         struct bt_ctf_field_type *v_type = NULL;
1216         struct bt_ctf_field_type *v_label1_type = NULL;
1217         struct bt_ctf_field_type *v_label1_array_type = NULL;
1218         struct bt_ctf_field_type *v_label2_type = NULL;
1219         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1220         struct bt_ctf_field_type *strct_type = NULL;
1221         struct bt_ctf_field *len = NULL;
1222         struct bt_ctf_field *fp = NULL;
1223         struct bt_ctf_field *s = NULL;
1224         struct bt_ctf_field *e_int = NULL;
1225         struct bt_ctf_field *e = NULL;
1226         struct bt_ctf_field *v = NULL;
1227         struct bt_ctf_field *v_selected = NULL;
1228         struct bt_ctf_field *v_selected_cur = NULL;
1229         struct bt_ctf_field *v_selected_0 = NULL;
1230         struct bt_ctf_field *v_selected_1 = NULL;
1231         struct bt_ctf_field *v_selected_2 = NULL;
1232         struct bt_ctf_field *v_selected_3 = NULL;
1233         struct bt_ctf_field *v_selected_4 = NULL;
1234         struct bt_ctf_field *v_selected_5 = NULL;
1235         struct bt_ctf_field *v_selected_6 = NULL;
1236         struct bt_ctf_field *a = NULL;
1237         struct bt_ctf_field *a_0 = NULL;
1238         struct bt_ctf_field *a_1 = NULL;
1239         struct bt_ctf_field *a_2 = NULL;
1240         struct bt_ctf_field *a_3 = NULL;
1241         struct bt_ctf_field *a_4 = NULL;
1242         struct bt_ctf_field *strct = NULL;
1243         struct bt_ctf_field *len_copy = NULL;
1244         struct bt_ctf_field *fp_copy = NULL;
1245         struct bt_ctf_field *s_copy = NULL;
1246         struct bt_ctf_field *e_int_copy = NULL;
1247         struct bt_ctf_field *e_copy = NULL;
1248         struct bt_ctf_field *v_copy = NULL;
1249         struct bt_ctf_field *v_selected_copy = NULL;
1250         struct bt_ctf_field *v_selected_copy_len = NULL;
1251         struct bt_ctf_field *v_selected_0_copy = NULL;
1252         struct bt_ctf_field *v_selected_1_copy = NULL;
1253         struct bt_ctf_field *v_selected_2_copy = NULL;
1254         struct bt_ctf_field *v_selected_3_copy = NULL;
1255         struct bt_ctf_field *v_selected_4_copy = NULL;
1256         struct bt_ctf_field *v_selected_5_copy = NULL;
1257         struct bt_ctf_field *v_selected_6_copy = NULL;
1258         struct bt_ctf_field *a_copy = NULL;
1259         struct bt_ctf_field *a_0_copy = NULL;
1260         struct bt_ctf_field *a_1_copy = NULL;
1261         struct bt_ctf_field *a_2_copy = NULL;
1262         struct bt_ctf_field *a_3_copy = NULL;
1263         struct bt_ctf_field *a_4_copy = NULL;
1264         struct bt_ctf_field *strct_copy = NULL;
1265         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1266         uint64_t uint64_t_val;
1267         const char *str_val;
1268         double double_val;
1269         int ret;
1270
1271         /* create len type */
1272         len_type = bt_ctf_field_type_integer_create(32);
1273         assert(len_type);
1274
1275         /* create fp type */
1276         fp_type = bt_ctf_field_type_floating_point_create();
1277         assert(fp_type);
1278
1279         /* create s type */
1280         s_type = bt_ctf_field_type_string_create();
1281         assert(s_type);
1282
1283         /* create e_int type */
1284         e_int_type = bt_ctf_field_type_integer_create(8);
1285         assert(e_int_type);
1286
1287         /* create e type */
1288         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1289         assert(e_type);
1290         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1291                 10, 15);
1292         assert(!ret);
1293         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1294                 23, 23);
1295         assert(!ret);
1296
1297         /* create v_label1 type */
1298         v_label1_type = bt_ctf_field_type_string_create();
1299         assert(v_label1_type);
1300
1301         /* create v_label1_array type */
1302         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1303         assert(v_label1_array_type);
1304
1305         /* create v_label2 type */
1306         v_label2_type = bt_ctf_field_type_integer_create(16);
1307         assert(v_label2_type);
1308
1309         /* create v_label2_seq type */
1310         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1311                 "len");
1312         assert(v_label2_seq_type);
1313
1314         /* create v type */
1315         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1316         assert(v_type);
1317         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1318                 "LABEL1");
1319         assert(!ret);
1320         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1321                 "LABEL2");
1322         assert(!ret);
1323
1324         /* create strct type */
1325         strct_type = bt_ctf_field_type_structure_create();
1326         assert(strct_type);
1327         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1328                 "len");
1329         assert(!ret);
1330         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1331         assert(!ret);
1332         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1333         assert(!ret);
1334         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1335         assert(!ret);
1336         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1337         assert(!ret);
1338         ret = bt_ctf_field_type_structure_add_field(strct_type,
1339                 v_label1_array_type, "a");
1340         assert(!ret);
1341
1342         /* create strct */
1343         strct = bt_ctf_field_create(strct_type);
1344         assert(strct);
1345
1346         /* get len field */
1347         len = bt_ctf_field_structure_get_field(strct, "len");
1348         assert(len);
1349
1350         /* get fp field */
1351         fp = bt_ctf_field_structure_get_field(strct, "fp");
1352         assert(fp);
1353
1354         /* get s field */
1355         s = bt_ctf_field_structure_get_field(strct, "s");
1356         assert(s);
1357
1358         /* get e field */
1359         e = bt_ctf_field_structure_get_field(strct, "e");
1360         assert(e);
1361
1362         /* get e_int (underlying integer) */
1363         e_int = bt_ctf_field_enumeration_get_container(e);
1364         assert(e_int);
1365
1366         /* get v field */
1367         v = bt_ctf_field_structure_get_field(strct, "v");
1368         assert(v);
1369
1370         /* get a field */
1371         a = bt_ctf_field_structure_get_field(strct, "a");
1372         assert(a);
1373
1374         /* set len field */
1375         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1376         assert(!ret);
1377
1378         /* set fp field */
1379         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1380         assert(!ret);
1381
1382         /* set s field */
1383         ret = bt_ctf_field_string_set_value(s, "btbt");
1384         assert(!ret);
1385
1386         /* set e field (LABEL2) */
1387         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1388         assert(!ret);
1389
1390         /* set v field */
1391         v_selected = bt_ctf_field_variant_get_field(v, e);
1392         assert(v_selected);
1393         ok(!bt_ctf_field_variant_get_current_field(NULL),
1394                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1395         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1396         ok(v_selected_cur == v_selected,
1397                 "bt_ctf_field_variant_get_current_field returns the current field");
1398         bt_put(v_selected_cur);
1399
1400         /* set selected v field */
1401         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1402         assert(!ret);
1403         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1404         assert(v_selected_0);
1405         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1406         assert(!ret);
1407         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1408         assert(v_selected_1);
1409         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1410         assert(!ret);
1411         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1412         assert(v_selected_2);
1413         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1414         assert(!ret);
1415         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1416         assert(v_selected_3);
1417         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1418         assert(!ret);
1419         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1420         assert(v_selected_4);
1421         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1422         assert(!ret);
1423         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1424         assert(v_selected_5);
1425         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1426         assert(!ret);
1427         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1428         assert(v_selected_6);
1429         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1430         assert(!ret);
1431
1432         /* set a field */
1433         a_0 = bt_ctf_field_array_get_field(a, 0);
1434         assert(a_0);
1435         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1436         assert(!ret);
1437         a_1 = bt_ctf_field_array_get_field(a, 1);
1438         assert(a_1);
1439         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1440         assert(!ret);
1441         a_2 = bt_ctf_field_array_get_field(a, 2);
1442         assert(a_2);
1443         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1444         assert(!ret);
1445         a_3 = bt_ctf_field_array_get_field(a, 3);
1446         assert(a_3);
1447         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1448         assert(!ret);
1449         a_4 = bt_ctf_field_array_get_field(a, 4);
1450         assert(a_4);
1451         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1452         assert(!ret);
1453
1454         /* create copy of strct */
1455         ok(!bt_ctf_field_copy(NULL),
1456                 "bt_ctf_field_copy handles NULL correctly");
1457         strct_copy = bt_ctf_field_copy(strct);
1458         ok(strct_copy,
1459                 "bt_ctf_field_copy returns a valid pointer");
1460
1461         /* get all copied fields */
1462         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1463         assert(len_copy);
1464         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1465         assert(fp_copy);
1466         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1467         assert(s_copy);
1468         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1469         assert(e_copy);
1470         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1471         assert(e_int_copy);
1472         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1473         assert(v_copy);
1474         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1475         assert(v_selected_copy);
1476         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1477         assert(v_selected_0_copy);
1478         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1479         assert(v_selected_1_copy);
1480         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1481         assert(v_selected_2_copy);
1482         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1483         assert(v_selected_3_copy);
1484         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1485         assert(v_selected_4_copy);
1486         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1487         assert(v_selected_5_copy);
1488         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1489         assert(v_selected_6_copy);
1490         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1491                 "sequence field copy is not too large");
1492         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1493         assert(a_copy);
1494         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1495         assert(a_0_copy);
1496         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1497         assert(a_1_copy);
1498         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1499         assert(a_2_copy);
1500         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1501         assert(a_3_copy);
1502         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1503         assert(a_4_copy);
1504         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1505                 "array field copy is not too large");
1506
1507         /* make sure copied fields are different pointers */
1508         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1509         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1510         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1511         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1512         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1513         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1514         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1515         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1516                 "v_selected");
1517         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1518                 "v_selected_0");
1519         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1520                 "v_selected_1");
1521         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1522                 "v_selected_2");
1523         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1524                 "v_selected_3");
1525         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1526                 "v_selected_4");
1527         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1528                 "v_selected_5");
1529         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1530                 "v_selected_6");
1531         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1532         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1533         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1534         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1535         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1536         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1537
1538         /* make sure copied fields share the same types */
1539         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1540         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1541         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1542         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1543         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1544         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1545         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1546                 "v_selected");
1547         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1548                 "v_selected_0");
1549         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1550                 "v_selected_1");
1551         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1552                 "v_selected_2");
1553         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1554                 "v_selected_3");
1555         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1556                 "v_selected_4");
1557         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1558                 "v_selected_5");
1559         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1560                 "v_selected_6");
1561         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1562         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1563         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1564         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1565         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1566         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1567
1568         /* validate len copy */
1569         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1570         assert(!ret);
1571         ok(uint64_t_val == 7,
1572                 "bt_ctf_field_copy creates a valid integer field copy");
1573
1574         /* validate fp copy */
1575         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1576         assert(!ret);
1577         ok(double_val == 3.14,
1578                 "bt_ctf_field_copy creates a valid floating point number field copy");
1579
1580         /* validate s copy */
1581         str_val = bt_ctf_field_string_get_value(s_copy);
1582         ok(str_val && !strcmp(str_val, "btbt"),
1583                 "bt_ctf_field_copy creates a valid string field copy");
1584
1585         /* validate e_int copy */
1586         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1587                 &uint64_t_val);
1588         assert(!ret);
1589         ok(uint64_t_val == 23,
1590                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1591
1592         /* validate e copy */
1593         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1594         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1595                 &str_val, NULL, NULL);
1596         ok(str_val && !strcmp(str_val, "LABEL2"),
1597                 "bt_ctf_field_copy creates a valid enum field copy");
1598
1599         /* validate v_selected copy */
1600         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1601         assert(v_selected_copy_len);
1602         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1603                 &uint64_t_val);
1604         assert(!ret);
1605         ok(uint64_t_val == 7,
1606                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1607         bt_put(v_selected_copy_len);
1608         v_selected_copy_len = NULL;
1609
1610         /* validate v_selected copy fields */
1611         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1612                 &uint64_t_val);
1613         assert(!ret);
1614         ok(uint64_t_val == 7,
1615                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1616         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1617                 &uint64_t_val);
1618         assert(!ret);
1619         ok(uint64_t_val == 6,
1620                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1621         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1622                 &uint64_t_val);
1623         assert(!ret);
1624         ok(uint64_t_val == 5,
1625                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1626         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1627                 &uint64_t_val);
1628         assert(!ret);
1629         ok(uint64_t_val == 4,
1630                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1631         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1632                 &uint64_t_val);
1633         assert(!ret);
1634         ok(uint64_t_val == 3,
1635                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1636         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1637                 &uint64_t_val);
1638         assert(!ret);
1639         ok(uint64_t_val == 2,
1640                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1641         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1642                 &uint64_t_val);
1643         assert(!ret);
1644         ok(uint64_t_val == 1,
1645                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1646
1647         /* validate a copy fields */
1648         str_val = bt_ctf_field_string_get_value(a_0_copy);
1649         ok(str_val && !strcmp(str_val, "a_0"),
1650                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1651         str_val = bt_ctf_field_string_get_value(a_1_copy);
1652         ok(str_val && !strcmp(str_val, "a_1"),
1653                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1654         str_val = bt_ctf_field_string_get_value(a_2_copy);
1655         ok(str_val && !strcmp(str_val, "a_2"),
1656                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1657         str_val = bt_ctf_field_string_get_value(a_3_copy);
1658         ok(str_val && !strcmp(str_val, "a_3"),
1659                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1660         str_val = bt_ctf_field_string_get_value(a_4_copy);
1661         ok(str_val && !strcmp(str_val, "a_4"),
1662                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1663
1664         /* put everything */
1665         bt_put(len_type);
1666         bt_put(fp_type);
1667         bt_put(s_type);
1668         bt_put(e_int_type);
1669         bt_put(e_type);
1670         bt_put(v_type);
1671         bt_put(v_label1_type);
1672         bt_put(v_label1_array_type);
1673         bt_put(v_label2_type);
1674         bt_put(v_label2_seq_type);
1675         bt_put(strct_type);
1676         bt_put(len);
1677         bt_put(fp);
1678         bt_put(s);
1679         bt_put(e_int);
1680         bt_put(e);
1681         bt_put(v);
1682         bt_put(v_selected);
1683         bt_put(v_selected_0);
1684         bt_put(v_selected_1);
1685         bt_put(v_selected_2);
1686         bt_put(v_selected_3);
1687         bt_put(v_selected_4);
1688         bt_put(v_selected_5);
1689         bt_put(v_selected_6);
1690         bt_put(a);
1691         bt_put(a_0);
1692         bt_put(a_1);
1693         bt_put(a_2);
1694         bt_put(a_3);
1695         bt_put(a_4);
1696         bt_put(strct);
1697         bt_put(len_copy);
1698         bt_put(fp_copy);
1699         bt_put(s_copy);
1700         bt_put(e_int_copy);
1701         bt_put(e_copy);
1702         bt_put(v_copy);
1703         bt_put(v_selected_copy);
1704         bt_put(v_selected_0_copy);
1705         bt_put(v_selected_1_copy);
1706         bt_put(v_selected_2_copy);
1707         bt_put(v_selected_3_copy);
1708         bt_put(v_selected_4_copy);
1709         bt_put(v_selected_5_copy);
1710         bt_put(v_selected_6_copy);
1711         bt_put(a_copy);
1712         bt_put(a_0_copy);
1713         bt_put(a_1_copy);
1714         bt_put(a_2_copy);
1715         bt_put(a_3_copy);
1716         bt_put(a_4_copy);
1717         bt_put(strct_copy);
1718         bt_put(e_iter);
1719 }
1720
1721 static
1722 void type_field_tests()
1723 {
1724         struct bt_ctf_field *uint_12;
1725         struct bt_ctf_field *int_16;
1726         struct bt_ctf_field *string;
1727         struct bt_ctf_field *enumeration;
1728         struct bt_ctf_field_type *composite_structure_type;
1729         struct bt_ctf_field_type *structure_seq_type;
1730         struct bt_ctf_field_type *string_type;
1731         struct bt_ctf_field_type *sequence_type;
1732         struct bt_ctf_field_type *uint_8_type;
1733         struct bt_ctf_field_type *int_16_type;
1734         struct bt_ctf_field_type *uint_12_type =
1735                 bt_ctf_field_type_integer_create(12);
1736         struct bt_ctf_field_type *enumeration_type;
1737         struct bt_ctf_field_type *returned_type;
1738         const char *ret_string;
1739
1740         returned_type = bt_ctf_field_get_type(NULL);
1741         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1742
1743         ok(uint_12_type, "Create an unsigned integer type");
1744         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1745                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1746                 "Set integer type's base as binary");
1747         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1748                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1749                 "Set integer type's base as decimal");
1750         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1751                 BT_CTF_INTEGER_BASE_UNKNOWN),
1752                 "Reject integer type's base set as unknown");
1753         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1754                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1755                 "Set integer type's base as octal");
1756         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1757                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1758                 "Set integer type's base as hexadecimal");
1759         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1760                 "Reject unknown integer base value");
1761         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1762                 "Set integer type signedness to signed");
1763         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1764                 "Set integer type signedness to unsigned");
1765         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1766                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1767         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1768                 "bt_ctf_field_type_integer_get_size returns a correct value");
1769         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1770                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1771         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1772                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1773
1774         ok(bt_ctf_field_type_set_byte_order(NULL,
1775                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1776                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1777         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1778                 (enum bt_ctf_byte_order) 42) < 0,
1779                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1780         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1781                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1782                 "Set an integer's byte order to little endian");
1783         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1784                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1785                 "Set an integer's byte order to big endian");
1786         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1787                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1788                 "bt_ctf_field_type_get_byte_order returns a correct value");
1789         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1790                 BT_CTF_BYTE_ORDER_UNKNOWN,
1791                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1792
1793         ok(bt_ctf_field_type_get_type_id(NULL) ==
1794                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1795                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1796         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1797                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1798                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1799
1800         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1801                 BT_CTF_INTEGER_BASE_UNKNOWN,
1802                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1803         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1804                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1805                 "bt_ctf_field_type_integer_get_base returns a correct value");
1806
1807         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1808                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1809                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1810         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1811                 (enum bt_ctf_string_encoding) 123) < 0,
1812                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1813         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1814                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1815                 "Set integer type encoding to UTF8");
1816         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1817                 BT_CTF_STRING_ENCODING_UNKNOWN,
1818                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1819         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1820                 BT_CTF_STRING_ENCODING_UTF8,
1821                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1822
1823         int_16_type = bt_ctf_field_type_integer_create(16);
1824         assert(int_16_type);
1825         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1826                 "Set signedness of 16 bit integer to true");
1827         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1828                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1829         uint_8_type = bt_ctf_field_type_integer_create(8);
1830         sequence_type =
1831                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1832         ok(sequence_type, "Create a sequence of int16_t type");
1833         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1834                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1835                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1836
1837         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1838                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1839         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1840                 sequence_type);
1841         ok(!strcmp(ret_string, "seq_len"),
1842                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1843         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1844                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1845         returned_type = bt_ctf_field_type_sequence_get_element_type(
1846                 sequence_type);
1847         ok(returned_type == int_16_type,
1848                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1849         bt_put(returned_type);
1850
1851         string_type = bt_ctf_field_type_string_create();
1852         ok(string_type, "Create a string type");
1853         ok(bt_ctf_field_type_string_set_encoding(string_type,
1854                 BT_CTF_STRING_ENCODING_NONE),
1855                 "Reject invalid \"None\" string encoding");
1856         ok(bt_ctf_field_type_string_set_encoding(string_type,
1857                 42),
1858                 "Reject invalid string encoding");
1859         ok(bt_ctf_field_type_string_set_encoding(string_type,
1860                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1861                 "Set string encoding to ASCII");
1862
1863         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1864                 BT_CTF_STRING_ENCODING_UNKNOWN,
1865                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1866         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1867                 BT_CTF_STRING_ENCODING_ASCII,
1868                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1869
1870         structure_seq_type = bt_ctf_field_type_structure_create();
1871         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1872                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1873                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1874         ok(structure_seq_type, "Create a structure type");
1875         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1876                 uint_8_type, "seq_len") == 0,
1877                 "Add a uint8_t type to a structure");
1878         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1879                 sequence_type, "a_sequence") == 0,
1880                 "Add a sequence type to a structure");
1881
1882         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1883                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1884         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1885                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1886
1887         ok(bt_ctf_field_type_structure_get_field(NULL,
1888                 &ret_string, &returned_type, 1) < 0,
1889                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1890         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1891                 NULL, &returned_type, 1) == 0,
1892                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1893         bt_put(returned_type);
1894         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1895                 &ret_string, NULL, 1) == 0,
1896                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1897         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1898                 &ret_string, &returned_type, 10) < 0,
1899                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1900         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1901                 &ret_string, &returned_type, 1) == 0,
1902                 "bt_ctf_field_type_structure_get_field returns a field");
1903         ok(!strcmp(ret_string, "a_sequence"),
1904                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1905         ok(returned_type == sequence_type,
1906                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1907         bt_put(returned_type);
1908
1909         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1910                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1911         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1912                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1913         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1914                 structure_seq_type, "a_sequence");
1915         ok(returned_type == sequence_type,
1916                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1917         bt_put(returned_type);
1918
1919         composite_structure_type = bt_ctf_field_type_structure_create();
1920         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1921                 string_type, "a_string") == 0,
1922                 "Add a string type to a structure");
1923         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1924                 structure_seq_type, "inner_structure") == 0,
1925                 "Add a structure type to a structure");
1926
1927         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1928                 NULL, "a_sequence") == NULL,
1929                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1930         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1931                 structure_seq_type, NULL) == NULL,
1932                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1933         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1934                 structure_seq_type, "a_sequence");
1935         ok(returned_type == sequence_type,
1936                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1937         bt_put(returned_type);
1938
1939         int_16 = bt_ctf_field_create(int_16_type);
1940         ok(int_16, "Instanciate a signed 16-bit integer");
1941         uint_12 = bt_ctf_field_create(uint_12_type);
1942         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1943         returned_type = bt_ctf_field_get_type(int_16);
1944         ok(returned_type == int_16_type,
1945                 "bt_ctf_field_get_type returns the correct type");
1946
1947         /* Can't modify types after instanciating them */
1948         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1949                 BT_CTF_INTEGER_BASE_DECIMAL),
1950                 "Check an integer type' base can't be modified after instanciation");
1951         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1952                 "Check an integer type's signedness can't be modified after instanciation");
1953
1954         /* Check signed property is checked */
1955         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1956                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1957         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1958                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1959
1960         /* Check overflows are properly tested for */
1961         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1962                 "Check -32768 is allowed for a signed 16-bit integer");
1963         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1964                 "Check 32767 is allowed for a signed 16-bit integer");
1965         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1966                 "Check 32768 is not allowed for a signed 16-bit integer");
1967         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1968                 "Check -32769 is not allowed for a signed 16-bit integer");
1969         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1970                 "Check -42 is allowed for a signed 16-bit integer");
1971
1972         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1973                 "Check 4095 is allowed for an unsigned 12-bit integer");
1974         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1975                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1976         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1977                 "Check 0 is allowed for an unsigned 12-bit integer");
1978
1979         string = bt_ctf_field_create(string_type);
1980         ok(string, "Instanciate a string field");
1981         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1982                 "Set a string's value");
1983
1984         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1985         ok(enumeration_type,
1986                 "Create an enumeration type with an unsigned 12-bit integer as container");
1987         enumeration = bt_ctf_field_create(enumeration_type);
1988         ok(!enumeration,
1989                 "Check enumeration types are validated before instantiation");
1990
1991         bt_put(string);
1992         bt_put(uint_12);
1993         bt_put(int_16);
1994         bt_put(enumeration);
1995         bt_put(composite_structure_type);
1996         bt_put(structure_seq_type);
1997         bt_put(string_type);
1998         bt_put(sequence_type);
1999         bt_put(uint_8_type);
2000         bt_put(int_16_type);
2001         bt_put(uint_12_type);
2002         bt_put(enumeration_type);
2003         bt_put(returned_type);
2004 }
2005
2006 static
2007 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2008                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2009 {
2010         /*
2011          * Append enough events to force the underlying packet to be resized.
2012          * Also tests that a new event can be declared after a stream has been
2013          * instantiated and used/flushed.
2014          */
2015         int ret = 0;
2016         int i;
2017         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2018                 "Spammy_Event");
2019         struct bt_ctf_field_type *integer_type =
2020                 bt_ctf_field_type_integer_create(17);
2021         struct bt_ctf_field_type *string_type =
2022                 bt_ctf_field_type_string_create();
2023         struct bt_ctf_event *event = NULL;
2024         struct bt_ctf_field *ret_field = NULL;
2025         struct bt_ctf_field_type *ret_field_type = NULL;
2026         uint64_t ret_uint64;
2027         int events_appended = 0;
2028         struct bt_ctf_field *packet_context = NULL,
2029                 *packet_context_field = NULL, *stream_event_context = NULL;
2030         struct bt_ctf_field_type *ep_field_1_type = NULL;
2031         struct bt_ctf_field_type *ep_a_string_type = NULL;
2032         struct bt_ctf_field_type *ep_type = NULL;
2033
2034         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2035                 "field_1");
2036         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2037                 "a_string");
2038         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2039         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2040         if (ret) {
2041                 goto end;
2042         }
2043
2044         /*
2045          * bt_ctf_stream_class_add_event_class() copies the field types
2046          * of event_class, so we retrieve the new ones to create the
2047          * appropriate fields.
2048          */
2049         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2050         assert(ep_type);
2051         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2052                 ep_type, "field_1");
2053         assert(ep_field_1_type);
2054         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2055                 ep_type, "a_string");
2056         assert(ep_a_string_type);
2057
2058         event = bt_ctf_event_create(event_class);
2059         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2060         ret_field_type = bt_ctf_field_get_type(ret_field);
2061         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2062                 "bt_ctf_event_get_payload_by_index returns a correct field");
2063         bt_put(ret_field_type);
2064         bt_put(ret_field);
2065
2066         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2067                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2068         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2069                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2070         bt_put(event);
2071
2072         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2073                 event = bt_ctf_event_create(event_class);
2074                 struct bt_ctf_field *integer =
2075                         bt_ctf_field_create(ep_field_1_type);
2076                 struct bt_ctf_field *string =
2077                         bt_ctf_field_create(ep_a_string_type);
2078
2079                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2080                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2081                 ret |= bt_ctf_event_set_payload(event, "field_1",
2082                         integer);
2083                 bt_put(integer);
2084                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2085                 ret |= bt_ctf_event_set_payload(event, "a_string",
2086                         string);
2087                 bt_put(string);
2088
2089                 /* Populate stream event context */
2090                 stream_event_context =
2091                         bt_ctf_event_get_stream_event_context(event);
2092                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2093                         "common_event_context");
2094                 BT_PUT(stream_event_context);
2095                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2096                         i % 42);
2097                 bt_put(integer);
2098
2099                 ret |= bt_ctf_stream_append_event(stream, event);
2100                 bt_put(event);
2101
2102                 if (ret) {
2103                         break;
2104                 }
2105         }
2106
2107         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2108         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2109                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2110         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2111                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2112         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2113         ok(ret == 0 && ret_uint64 == 0,
2114                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2115         bt_ctf_stream_append_discarded_events(stream, 1000);
2116         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2117         ok(ret == 0 && ret_uint64 == 1000,
2118                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2119
2120 end:
2121         ok(events_appended, "Append 100 000 events to a stream");
2122
2123         /*
2124          * Populate the custom packet context field with a dummy value
2125          * otherwise flush will fail.
2126          */
2127         packet_context = bt_ctf_stream_get_packet_context(stream);
2128         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2129                 "custom_packet_context_field");
2130         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2131
2132         ok(bt_ctf_stream_flush(stream) == 0,
2133                 "Flush a stream that forces a packet resize");
2134         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2135         ok(ret == 0 && ret_uint64 == 1000,
2136                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2137         bt_put(integer_type);
2138         bt_put(string_type);
2139         bt_put(packet_context);
2140         bt_put(packet_context_field);
2141         bt_put(stream_event_context);
2142         bt_put(event_class);
2143         bt_put(ep_field_1_type);
2144         bt_put(ep_a_string_type);
2145         bt_put(ep_type);
2146 }
2147
2148 static
2149 void test_empty_stream(struct bt_ctf_writer *writer)
2150 {
2151         int ret = 0;
2152         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2153         struct bt_ctf_stream_class *stream_class = NULL;
2154         struct bt_ctf_stream *stream = NULL;
2155
2156         trace = bt_ctf_writer_get_trace(writer);
2157         if (!trace) {
2158                 diag("Failed to get trace from writer");
2159                 ret = -1;
2160                 goto end;
2161         }
2162
2163         stream_class = bt_ctf_stream_class_create("empty_stream");
2164         if (!stream_class) {
2165                 diag("Failed to create stream class");
2166                 ret = -1;
2167                 goto end;
2168         }
2169
2170         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2171                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2172         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2173                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2174
2175         stream = bt_ctf_writer_create_stream(writer, stream_class);
2176         if (!stream) {
2177                 diag("Failed to create writer stream");
2178                 ret = -1;
2179                 goto end;
2180         }
2181
2182         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2183         ok(ret_trace == trace,
2184                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2185 end:
2186         ok(ret == 0,
2187                 "Created a stream class with default attributes and an empty stream");
2188         bt_put(trace);
2189         bt_put(ret_trace);
2190         bt_put(stream);
2191         bt_put(stream_class);
2192 }
2193
2194 static
2195 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2196                         struct bt_ctf_clock *clock)
2197 {
2198         int i, ret;
2199         struct bt_ctf_stream_class *stream_class = NULL;
2200         struct bt_ctf_stream *stream = NULL;
2201         struct bt_ctf_field_type *integer_type = NULL,
2202                 *sequence_type = NULL, *event_header_type = NULL;
2203         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2204                 *event_header = NULL, *packet_header = NULL;
2205         struct bt_ctf_event_class *event_class = NULL;
2206         struct bt_ctf_event *event = NULL;
2207
2208         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2209         if (!stream_class) {
2210                 fail("Failed to create stream class");
2211                 goto end;
2212         }
2213
2214         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2215         if (ret) {
2216                 fail("Failed to set stream class clock");
2217                 goto end;
2218         }
2219
2220         /*
2221          * Customize event header to add an "seq_len" integer member
2222          * which will be used as the length of a sequence in an event of this
2223          * stream.
2224          */
2225         event_header_type = bt_ctf_stream_class_get_event_header_type(
2226                 stream_class);
2227         if (!event_header_type) {
2228                 fail("Failed to get event header type");
2229                 goto end;
2230         }
2231
2232         integer_type = bt_ctf_field_type_integer_create(13);
2233         if (!integer_type) {
2234                 fail("Failed to create length integer type");
2235                 goto end;
2236         }
2237
2238         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2239                 integer_type, "seq_len");
2240         if (ret) {
2241                 fail("Failed to add a new field to stream event header");
2242                 goto end;
2243         }
2244
2245         event_class = bt_ctf_event_class_create("sequence_event");
2246         if (!event_class) {
2247                 fail("Failed to create event class");
2248                 goto end;
2249         }
2250
2251         /*
2252          * This event's payload will contain a sequence which references
2253          * stream.event.header.seq_len as its length field.
2254          */
2255         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2256                 "stream.event.header.seq_len");
2257         if (!sequence_type) {
2258                 fail("Failed to create a sequence");
2259                 goto end;
2260         }
2261
2262         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2263                 "some_sequence");
2264         if (ret) {
2265                 fail("Failed to add a sequence to an event class");
2266                 goto end;
2267         }
2268
2269         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2270         if (ret) {
2271                 fail("Failed to add event class to stream class");
2272                 goto end;
2273         }
2274
2275         stream = bt_ctf_writer_create_stream(writer, stream_class);
2276         if (!stream) {
2277                 fail("Failed to create stream")
2278                 goto end;
2279         }
2280
2281         /*
2282          * We have defined a custom packet header field. We have to populate it
2283          * explicitly.
2284          */
2285         packet_header = bt_ctf_stream_get_packet_header(stream);
2286         if (!packet_header) {
2287                 fail("Failed to get stream packet header");
2288                 goto end;
2289         }
2290
2291         integer = bt_ctf_field_structure_get_field(packet_header,
2292                 "custom_trace_packet_header_field");
2293         if (!integer) {
2294                 fail("Failed to retrieve custom_trace_packet_header_field");
2295                 goto end;
2296         }
2297
2298         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2299         if (ret) {
2300                 fail("Failed to set custom_trace_packet_header_field value");
2301                 goto end;
2302         }
2303         bt_put(integer);
2304
2305         event = bt_ctf_event_create(event_class);
2306         if (!event) {
2307                 fail("Failed to create event");
2308                 goto end;
2309         }
2310
2311         event_header = bt_ctf_event_get_header(event);
2312         if (!event_header) {
2313                 fail("Failed to get event header");
2314                 goto end;
2315         }
2316
2317         integer = bt_ctf_field_structure_get_field(event_header,
2318                 "seq_len");
2319         if (!integer) {
2320                 fail("Failed to get seq_len field from event header");
2321                 goto end;
2322         }
2323
2324         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2325         if (ret) {
2326                 fail("Failed to set seq_len value in event header");
2327                 goto end;
2328         }
2329
2330         /* Populate both sequence integer fields */
2331         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2332         if (!sequence) {
2333                 fail("Failed to retrieve sequence from event");
2334                 goto end;
2335         }
2336
2337         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2338         if (ret) {
2339                 fail("Failed to set sequence length");
2340                 goto end;
2341         }
2342         bt_put(integer);
2343
2344         for (i = 0; i < 2; i++) {
2345                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2346                 if (ret) {
2347                         fail("Failed to retrieve sequence element");
2348                         goto end;
2349                 }
2350
2351                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2352                 if (ret) {
2353                         fail("Failed to set sequence element value");
2354                         goto end;
2355                 }
2356
2357                 bt_put(integer);
2358                 integer = NULL;
2359         }
2360
2361         ret = bt_ctf_stream_append_event(stream, event);
2362         if (ret) {
2363                 fail("Failed to append event to stream");
2364                 goto end;
2365         }
2366
2367         ret = bt_ctf_stream_flush(stream);
2368         if (ret) {
2369                 fail("Failed to flush custom_event_header stream");
2370         }
2371 end:
2372         bt_put(stream);
2373         bt_put(stream_class);
2374         bt_put(event_class);
2375         bt_put(event);
2376         bt_put(integer);
2377         bt_put(sequence);
2378         bt_put(event_header);
2379         bt_put(packet_header);
2380         bt_put(sequence_type);
2381         bt_put(integer_type);
2382         bt_put(event_header_type);
2383 }
2384
2385 static
2386 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2387                 struct bt_ctf_clock *clock)
2388 {
2389         int ret = 0;
2390         struct bt_ctf_stream_class *stream_class = NULL;
2391         struct bt_ctf_stream *stream = NULL,
2392                 *ret_stream = NULL;
2393         struct bt_ctf_event_class *event_class = NULL;
2394         struct bt_ctf_event *event = NULL;
2395         struct bt_ctf_field_type *integer_type = NULL;
2396         struct bt_ctf_field *integer = NULL;
2397
2398         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2399         if (!stream_class) {
2400                 diag("Failed to create stream class");
2401                 ret = -1;
2402                 goto end;
2403         }
2404
2405         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2406         if (ret) {
2407                 diag("Failed to set stream class clock");
2408                 goto end;
2409         }
2410
2411         event_class = bt_ctf_event_class_create("some_event_class_name");
2412         integer_type = bt_ctf_field_type_integer_create(32);
2413         if (!integer_type) {
2414                 diag("Failed to create integer field type");
2415                 ret = -1;
2416                 goto end;
2417         }
2418
2419         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2420                 "integer_field");
2421         if (ret) {
2422                 diag("Failed to add field to event class");
2423                 goto end;
2424         }
2425
2426         ret = bt_ctf_stream_class_add_event_class(stream_class,
2427                 event_class);
2428         if (ret) {
2429                 diag("Failed to add event class to stream class");
2430         }
2431
2432         event = bt_ctf_event_create(event_class);
2433         if (!event) {
2434                 diag("Failed to create event");
2435                 ret = -1;
2436                 goto end;
2437         }
2438
2439         integer = bt_ctf_event_get_payload_by_index(event, 0);
2440         if (!integer) {
2441                 diag("Failed to get integer field payload from event");
2442                 ret = -1;
2443                 goto end;
2444         }
2445
2446         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2447         if (ret) {
2448                 diag("Failed to set integer field value");
2449                 goto end;
2450         }
2451
2452         stream = bt_ctf_writer_create_stream(writer, stream_class);
2453         if (!stream) {
2454                 diag("Failed to create writer stream");
2455                 ret = -1;
2456                 goto end;
2457         }
2458
2459         ok(bt_ctf_event_get_stream(NULL) == NULL,
2460                 "bt_ctf_event_get_stream handles NULL correctly");
2461         ok(bt_ctf_event_get_stream(event) == NULL,
2462                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2463
2464         ret = bt_ctf_stream_append_event(stream, event);
2465         if (ret) {
2466                 diag("Failed to append event to stream");
2467                 goto end;
2468         }
2469
2470         ret_stream = bt_ctf_event_get_stream(event);
2471         ok(ret_stream == stream,
2472                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2473 end:
2474         ok(ret == 0,
2475                 "Create an event before instanciating its associated stream");
2476         bt_put(stream);
2477         bt_put(ret_stream);
2478         bt_put(stream_class);
2479         bt_put(event_class);
2480         bt_put(event);
2481         bt_put(integer_type);
2482         bt_put(integer);
2483 }
2484
2485 static
2486 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2487 {
2488         struct bt_ctf_event_class *event_class;
2489
2490         event_class = bt_ctf_event_class_create("Simple Event");
2491         assert(event_class);
2492         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2493                 "two event classes with the same name may cohabit within the same stream class");
2494         bt_put(event_class);
2495
2496         event_class = bt_ctf_event_class_create("different name, ok");
2497         assert(event_class);
2498         assert(!bt_ctf_event_class_set_id(event_class, 11));
2499         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2500                 "two event classes with the same ID cannot cohabit within the same stream class");
2501         bt_put(event_class);
2502 }
2503
2504 static
2505 struct bt_ctf_event_class *create_minimal_event_class(void)
2506 {
2507         struct bt_ctf_event_class *ec = NULL;
2508         struct bt_ctf_field_type *int_ft = NULL;
2509         int ret;
2510
2511         int_ft = bt_ctf_field_type_integer_create(23);
2512         assert(int_ft);
2513         ec = bt_ctf_event_class_create("minimal");
2514         assert(ec);
2515         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2516         assert(!ret);
2517         BT_PUT(int_ft);
2518
2519         return ec;
2520 }
2521
2522 static
2523 void test_create_writer_vs_non_writer_mode(void)
2524 {
2525         int ret;
2526         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2527         const char *writer_stream_name = "writer stream instance";
2528         struct bt_ctf_writer *writer = NULL;
2529         struct bt_ctf_trace *writer_trace = NULL;
2530         struct bt_ctf_stream_class *writer_sc = NULL;
2531         struct bt_ctf_stream *writer_stream = NULL;
2532         struct bt_ctf_stream *writer_stream2 = NULL;
2533         struct bt_ctf_stream *packet_stream = NULL;
2534         struct bt_ctf_trace *non_writer_trace = NULL;
2535         struct bt_ctf_stream_class *non_writer_sc = NULL;
2536         struct bt_ctf_stream *non_writer_stream = NULL;
2537         struct bt_ctf_stream *non_writer_stream2 = NULL;
2538         struct bt_ctf_event_class *writer_ec = NULL;
2539         struct bt_ctf_event_class *non_writer_ec = NULL;
2540         struct bt_ctf_event *event = NULL;
2541         struct bt_ctf_event *event2 = NULL;
2542         struct bt_ctf_field_type *empty_struct_ft = NULL;
2543         struct bt_ctf_field *int_field = NULL;
2544         struct bt_ctf_clock *writer_clock = NULL;
2545         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2546         struct bt_ctf_packet *packet = NULL;
2547         struct bt_ctf_packet *packet2 = NULL;
2548
2549         if (!bt_mkdtemp(trace_path)) {
2550                 perror("# perror");
2551         }
2552
2553         /* Create empty structure field type (event header) */
2554         empty_struct_ft = bt_ctf_field_type_structure_create();
2555         assert(empty_struct_ft);
2556
2557         /* Create writer, writer stream class, stream, and clock */
2558         writer = bt_ctf_writer_create(trace_path);
2559         assert(writer);
2560         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2561         assert(!ret);
2562         writer_trace = bt_ctf_writer_get_trace(writer);
2563         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2564         writer_sc = bt_ctf_stream_class_create("writer_sc");
2565         assert(writer_sc);
2566         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2567                 empty_struct_ft);
2568         assert(!ret);
2569         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2570         assert(!ret);
2571         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2572         assert(writer_stream);
2573         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2574                 "bt_ctf_stream_get_name() returns the stream's name");
2575         writer_clock = bt_ctf_clock_create("writer_clock");
2576         assert(writer_clock);
2577         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2578         assert(!ret);
2579
2580         /* Create non-writer trace, stream class, stream, and clock */
2581         non_writer_trace = bt_ctf_trace_create();
2582         assert(non_writer_trace);
2583         ret = bt_ctf_trace_set_native_byte_order(non_writer_trace,
2584                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2585         assert(!ret);
2586         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2587         assert(non_writer_sc);
2588         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2589                 empty_struct_ft);
2590         assert(!ret);
2591         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2592         assert(!ret);
2593         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2594         assert(non_writer_stream);
2595         non_writer_clock_class =
2596                 bt_ctf_clock_class_create("non_writer_clock_class");
2597         assert(non_writer_clock_class);
2598         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2599                 non_writer_clock_class);
2600         assert(!ret);
2601
2602         /* Create event class and event */
2603         writer_ec = create_minimal_event_class();
2604         assert(writer_ec);
2605         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2606         assert(!ret);
2607         event = bt_ctf_event_create(writer_ec);
2608         assert(event);
2609         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2610         assert(int_field);
2611         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2612
2613         /*
2614          * Verify non-writer stream: it should be impossible to append
2615          * an event to it.
2616          */
2617         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2618                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2619
2620         /*
2621          * Verify writer stream: it should be possible to append an
2622          * event to it.
2623          */
2624         ok(!bt_ctf_stream_append_event(writer_stream, event),
2625                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2626
2627         /*
2628          * It should be possible to create a packet from a non-writer
2629          * stream, but not from a writer stream.
2630          */
2631         packet = bt_ctf_packet_create(writer_stream);
2632         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2633         packet = bt_ctf_packet_create(non_writer_stream);
2634         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2635         packet_stream = bt_ctf_packet_get_stream(packet);
2636         ok(packet_stream == non_writer_stream,
2637                 "bt_ctf_packet_get_stream() returns the correct stream");
2638
2639         /*
2640          * It should not be possible to append an event associated to
2641          * a stream to a different stream.
2642          */
2643         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2644         assert(writer_stream2);
2645         ok(bt_ctf_stream_append_event(writer_stream2, event),
2646                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2647
2648         /*
2649          * It should not be possible to set the packet of an event
2650          * associated to a given stream to a packet associated with
2651          * a different stream.
2652          */
2653         ok(bt_ctf_event_set_packet(event, packet),
2654                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2655
2656         /*
2657          * It should be possible to set the packet of a fresh event, as
2658          * long as the originating stream classes are the same.
2659          */
2660         event2 = bt_ctf_event_create(writer_ec);
2661         assert(event2);
2662         ok(bt_ctf_event_set_packet(event2, packet),
2663                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2664         non_writer_ec = create_minimal_event_class();
2665         assert(non_writer_ec);
2666         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2667         assert(!ret);
2668         BT_PUT(event2);
2669         event2 = bt_ctf_event_create(non_writer_ec);
2670         assert(event2);
2671         ok(!bt_ctf_event_set_packet(event2, packet),
2672                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2673
2674         /*
2675          * It should be possible to set a packet created from the same
2676          * stream to an event with an existing packet.
2677          */
2678         packet2 = bt_ctf_packet_create(non_writer_stream);
2679         assert(packet2);
2680         ok(!bt_ctf_event_set_packet(event2, packet2),
2681                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2682         BT_PUT(packet2);
2683
2684         /*
2685          * It should not be possible to set a packet created from a
2686          * different stream to an event with an existing packet.
2687          */
2688         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2689         assert(non_writer_stream2);
2690         packet2 = bt_ctf_packet_create(non_writer_stream);
2691         assert(packet2);
2692         ok(!bt_ctf_event_set_packet(event2, packet2),
2693                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2694
2695         bt_put(writer);
2696         bt_put(writer_trace);
2697         bt_put(writer_sc);
2698         bt_put(writer_stream);
2699         bt_put(writer_stream2);
2700         bt_put(non_writer_trace);
2701         bt_put(non_writer_sc);
2702         bt_put(non_writer_stream);
2703         bt_put(non_writer_stream2);
2704         bt_put(packet_stream);
2705         bt_put(writer_ec);
2706         bt_put(non_writer_ec);
2707         bt_put(event);
2708         bt_put(event2);
2709         bt_put(int_field);
2710         bt_put(empty_struct_ft);
2711         bt_put(writer_clock);
2712         bt_put(non_writer_clock_class);
2713         bt_put(packet);
2714         bt_put(packet2);
2715         recursive_rmdir(trace_path);
2716 }
2717
2718 static
2719 void test_clock_utils(void)
2720 {
2721         int ret;
2722         struct bt_ctf_clock *clock = NULL;
2723
2724         clock = bt_ctf_clock_create("water");
2725         assert(clock);
2726         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2727         assert(!ret);
2728         ret = bt_ctf_clock_set_offset(clock, 1000);
2729         assert(!ret);
2730         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2731         assert(!ret);
2732         ret = bt_ctf_clock_set_frequency(clock, 1534);
2733         assert(!ret);
2734
2735         BT_PUT(clock);
2736 }
2737
2738 void test_set_clock_non_writer_stream_class(void)
2739 {
2740         struct bt_ctf_clock *clock;
2741         struct bt_ctf_trace *trace;
2742         struct bt_ctf_stream_class *sc;
2743         int ret;
2744
2745         clock = bt_ctf_clock_create("the_clock");
2746         assert(clock);
2747
2748         trace = bt_ctf_trace_create();
2749         assert(trace);
2750
2751         sc = bt_ctf_stream_class_create(NULL);
2752         assert(sc);
2753
2754         ret = bt_ctf_stream_class_set_clock(sc, clock);
2755         assert(ret == 0);
2756
2757         ret = bt_ctf_trace_add_stream_class(trace, sc);
2758         ok(ret < 0,
2759                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2760
2761         bt_put(clock);
2762         bt_put(trace);
2763         bt_put(sc);
2764 }
2765
2766 static
2767 void test_static_trace(void)
2768 {
2769         struct bt_ctf_trace *trace;
2770         struct bt_ctf_stream_class *stream_class;
2771         struct bt_ctf_stream_class *stream_class2;
2772         struct bt_ctf_stream *stream;
2773         struct bt_ctf_clock_class *clock_class;
2774         int ret;
2775
2776         trace = bt_ctf_trace_create();
2777         assert(trace);
2778         ret = bt_ctf_trace_set_native_byte_order(trace,
2779                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2780         assert(ret == 0);
2781         stream_class = bt_ctf_stream_class_create(NULL);
2782         assert(stream_class);
2783         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2784         assert(ret == 0);
2785         stream = bt_ctf_stream_create(stream_class, "hello");
2786         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2787         bt_put(stream);
2788         ok(!bt_ctf_trace_is_static(trace),
2789                 "bt_ctf_trace_is_static() returns the expected value");
2790         ok(bt_ctf_trace_set_is_static(trace) == 0,
2791                 "bt_ctf_trace_set_is_static() succeeds");
2792         ok(bt_ctf_trace_is_static(trace),
2793                 "bt_ctf_trace_is_static() returns the expected value");
2794         clock_class = bt_ctf_clock_class_create("yes");
2795         assert(clock_class);
2796         stream_class2 = bt_ctf_stream_class_create(NULL);
2797         assert(stream_class2);
2798         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2799                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2800         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2801                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2802         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2803                 "bt_ctf_stream_create() fails with a static trace");
2804
2805         bt_put(trace);
2806         bt_put(stream_class);
2807         bt_put(stream_class2);
2808         bt_put(clock_class);
2809 }
2810
2811 static
2812 void test_trace_uuid(void)
2813 {
2814         struct bt_ctf_trace *trace;
2815         const unsigned char uuid[] = {
2816                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2817                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2818         };
2819         const unsigned char *ret_uuid;
2820
2821         trace = bt_ctf_trace_create();
2822         assert(trace);
2823         ok(!bt_ctf_trace_get_uuid(NULL),
2824                 "bt_ctf_trace_get_uuid() handles NULL");
2825         ok(!bt_ctf_trace_get_uuid(trace),
2826                 "bt_ctf_trace_get_uuid() returns NULL initially");
2827         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2828                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2829         ok(bt_ctf_trace_set_uuid(trace, NULL),
2830                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2831         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2832                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2833         ret_uuid = bt_ctf_trace_get_uuid(trace);
2834         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2835         ok(memcmp(uuid, ret_uuid, 16) == 0,
2836                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2837
2838         bt_put(trace);
2839 }
2840
2841 int main(int argc, char **argv)
2842 {
2843         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2844         char metadata_path[sizeof(trace_path) + 9];
2845         const char *clock_name = "test_clock";
2846         const char *clock_description = "This is a test clock";
2847         const char *returned_clock_name;
2848         const char *returned_clock_description;
2849         const uint64_t frequency = 1123456789;
2850         const int64_t offset_s = 1351530929945824323;
2851         const int64_t offset = 1234567;
2852         int64_t get_offset_s,
2853                 get_offset;
2854         const uint64_t precision = 10;
2855         const int is_absolute = 0xFF;
2856         char *metadata_string;
2857         struct bt_ctf_writer *writer;
2858         struct utsname name;
2859         char hostname[BABELTRACE_HOST_NAME_MAX];
2860         struct bt_ctf_clock *clock, *ret_clock;
2861         struct bt_ctf_clock_class *ret_clock_class;
2862         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2863         struct bt_ctf_stream *stream1;
2864         struct bt_ctf_stream *stream;
2865         const char *ret_string;
2866         const unsigned char *ret_uuid;
2867         unsigned char tmp_uuid[16] = { 0 };
2868         struct bt_ctf_field_type *packet_context_type,
2869                 *packet_context_field_type,
2870                 *packet_header_type,
2871                 *packet_header_field_type,
2872                 *integer_type,
2873                 *stream_event_context_type,
2874                 *ret_field_type,
2875                 *event_header_field_type;
2876         struct bt_ctf_field *packet_header, *packet_header_field;
2877         struct bt_ctf_trace *trace;
2878         int ret;
2879         int64_t ret_int64_t;
2880         struct bt_value *obj;
2881
2882         if (argc < 2) {
2883                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2884                 return -1;
2885         }
2886
2887         plan_tests(NR_TESTS);
2888
2889         if (!bt_mkdtemp(trace_path)) {
2890                 perror("# perror");
2891         }
2892
2893         strcpy(metadata_path, trace_path);
2894         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2895
2896         writer = bt_ctf_writer_create(trace_path);
2897         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2898
2899         ok(!bt_ctf_writer_get_trace(NULL),
2900                 "bt_ctf_writer_get_trace correctly handles NULL");
2901         trace = bt_ctf_writer_get_trace(writer);
2902         ok(trace,
2903                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2904         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2905                 "Set a trace's byte order to big endian");
2906         ok(bt_ctf_trace_get_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2907                 "bt_ctf_trace_get_byte_order returns a correct endianness");
2908
2909         /* Add environment context to the trace */
2910         ret = gethostname(hostname, sizeof(hostname));
2911         if (ret < 0) {
2912                 return ret;
2913         }
2914         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2915                 "Add host (%s) environment field to writer instance",
2916                 hostname);
2917         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2918                 "test_value"),
2919                 "bt_ctf_writer_add_environment_field error with NULL writer");
2920         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2921                 "test_value"),
2922                 "bt_ctf_writer_add_environment_field error with NULL field name");
2923         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2924                 NULL),
2925                 "bt_ctf_writer_add_environment_field error with NULL field value");
2926
2927         /* Test bt_ctf_trace_set_environment_field with an integer object */
2928         obj = bt_value_integer_create_init(23);
2929         assert(obj);
2930         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2931                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2932         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2933                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2934         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2935                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2936         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2937                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2938         BT_PUT(obj);
2939
2940         /* Test bt_ctf_trace_set_environment_field with a string object */
2941         obj = bt_value_string_create_init("the value");
2942         assert(obj);
2943         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2944                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2945         BT_PUT(obj);
2946
2947         /* Test bt_ctf_trace_set_environment_field_integer */
2948         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2949                 -194875),
2950                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2951         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2952                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2953         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2954                 -164973),
2955                 "bt_ctf_trace_set_environment_field_integer succeeds");
2956
2957         /* Test bt_ctf_trace_set_environment_field_string */
2958         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2959                 "yeah"),
2960                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2961         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2962                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2963         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2964                 NULL),
2965                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2966         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2967                 "oh yeah"),
2968                 "bt_ctf_trace_set_environment_field_string succeeds");
2969
2970         /* Test bt_ctf_trace_get_environment_field_count */
2971         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2972                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2973         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2974                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2975
2976         /* Test bt_ctf_trace_get_environment_field_name */
2977         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2978                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2979         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, -1) == NULL,
2980                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2981         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2982                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2983         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2984         ok(ret_string && !strcmp(ret_string, "host"),
2985                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2986         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2987         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2988                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2989         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2990         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2991                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2992         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
2993         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2994                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2995         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
2996         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2997                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2998
2999         /* Test bt_ctf_trace_get_environment_field_value */
3000         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
3001                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3002         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, -1) == NULL,
3003                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3004         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3005                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3006         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3007         ret = bt_value_integer_get(obj, &ret_int64_t);
3008         ok(!ret && ret_int64_t == 23,
3009                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3010         BT_PUT(obj);
3011         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3012         ret = bt_value_string_get(obj, &ret_string);
3013         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3014                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3015         BT_PUT(obj);
3016
3017         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3018         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3019                 "test_env_str"),
3020                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3021         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3022                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3023         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3024                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3025         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3026                 "test_env_str");
3027         ret = bt_value_string_get(obj, &ret_string);
3028         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3029                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3030         BT_PUT(obj);
3031
3032         /* Test environment field replacement */
3033         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3034                 654321),
3035                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3036         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3037                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3038         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3039         ret = bt_value_integer_get(obj, &ret_int64_t);
3040         ok(!ret && ret_int64_t == 654321,
3041                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3042         BT_PUT(obj);
3043
3044         /* On Solaris, uname() can return any positive value on success */
3045         if (uname(&name) < 0) {
3046                 perror("uname");
3047                 return -1;
3048         }
3049
3050         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3051                 == 0, "Add sysname (%s) environment field to writer instance",
3052                 name.sysname);
3053         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3054                 name.nodename) == 0,
3055                 "Add nodename (%s) environment field to writer instance",
3056                 name.nodename);
3057         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3058                 == 0, "Add release (%s) environment field to writer instance",
3059                 name.release);
3060         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3061                 == 0, "Add version (%s) environment field to writer instance",
3062                 name.version);
3063         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3064                 == 0, "Add machine (%s) environment field to writer istance",
3065                 name.machine);
3066
3067         /* Define a clock and add it to the trace */
3068         ok(bt_ctf_clock_create("signed") == NULL,
3069                 "Illegal clock name rejected");
3070         clock = bt_ctf_clock_create(clock_name);
3071         ok(clock, "Clock created sucessfully");
3072         returned_clock_name = bt_ctf_clock_get_name(clock);
3073         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3074         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3075                 "Returned clock name is valid");
3076
3077         returned_clock_description = bt_ctf_clock_get_description(clock);
3078         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3079         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3080                 "Clock description set successfully");
3081
3082         returned_clock_description = bt_ctf_clock_get_description(clock);
3083         ok(returned_clock_description,
3084                 "bt_ctf_clock_get_description returns a description.");
3085         ok(returned_clock_description ?
3086                 !strcmp(returned_clock_description, clock_description) : 0,
3087                 "Returned clock description is valid");
3088
3089         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3090                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3091         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3092                 "Set clock frequency");
3093         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3094                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3095
3096         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3097                 "bt_ctf_clock_get_offset_s succeeds");
3098         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3099                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3100         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3101                 "Set clock offset (seconds)");
3102         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3103                 "bt_ctf_clock_get_offset_s succeeds");
3104         ok(get_offset_s == offset_s,
3105                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3106
3107         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3108                 "bt_ctf_clock_get_offset succeeds");
3109         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3110                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3111         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3112         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3113                 "bt_ctf_clock_get_offset succeeds");
3114         ok(get_offset == offset,
3115                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3116
3117         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3118                 "bt_ctf_clock_get_precision returns the correct default precision");
3119         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3120                 "Set clock precision");
3121         ok(bt_ctf_clock_get_precision(clock) == precision,
3122                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3123
3124         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3125                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3126         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3127                 "Set clock absolute property");
3128         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3129                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3130
3131         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3132                 "Set clock time");
3133
3134         ok(!bt_ctf_clock_get_name(NULL),
3135                 "bt_ctf_clock_get_name correctly handles NULL");
3136         ok(!bt_ctf_clock_get_description(NULL),
3137                 "bt_ctf_clock_get_description correctly handles NULL");
3138         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3139                 "bt_ctf_clock_get_frequency correctly handles NULL");
3140         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3141                 "bt_ctf_clock_get_precision correctly handles NULL");
3142         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3143                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3144         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3145                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3146         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3147                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3148         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3149                 "bt_ctf_clock_get_offset correctly handles NULL output");
3150         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3151                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3152
3153         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3154                 "bt_ctf_clock_set_description correctly handles NULL clock");
3155         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3156                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3157         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3158                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3159         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3160                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3161         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3162                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3163         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3164                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3165         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3166                 "bt_ctf_clock_set_time correctly handles NULL clock");
3167         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3168                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3169         ret_uuid = bt_ctf_clock_get_uuid(clock);
3170         ok(ret_uuid,
3171                 "bt_ctf_clock_get_uuid returns a UUID");
3172         if (ret_uuid) {
3173                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3174                 /* Slightly modify UUID */
3175                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3176         }
3177
3178         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3179                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3180         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3181                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3182         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3183                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3184         ret_uuid = bt_ctf_clock_get_uuid(clock);
3185         ok(ret_uuid,
3186                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3187         ok(uuid_match(ret_uuid, tmp_uuid),
3188                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3189
3190         /* Define a stream class */
3191         stream_class = bt_ctf_stream_class_create("test_stream");
3192
3193         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3194                 "bt_ctf_stream_class_get_name handles NULL correctly");
3195         ret_string = bt_ctf_stream_class_get_name(stream_class);
3196         ok(ret_string && !strcmp(ret_string, "test_stream"),
3197                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3198
3199         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3200                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3201         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3202                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3203
3204         ok(stream_class, "Create stream class");
3205         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3206                 "Set a stream class' clock");
3207         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3208         ok(ret_clock == clock,
3209                 "bt_ctf_stream_class_get_clock returns a correct clock");
3210         bt_put(ret_clock);
3211
3212         /* Test the event fields and event types APIs */
3213         type_field_tests();
3214
3215         /* Test fields copying */
3216         field_copy_tests();
3217
3218         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3219                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3220         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3221                 "bt_ctf_stream_class_get_id handles NULL correctly");
3222         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3223                 "bt_ctf_stream_class_set_id handles NULL correctly");
3224         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3225                 "Set an stream class' id");
3226         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3227                 "bt_ctf_stream_class_get_id returns the correct value");
3228
3229         /* Validate default event header fields */
3230         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3231                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3232         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3233                 stream_class);
3234         ok(ret_field_type,
3235                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3236         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3237                 "Default event header type is a structure");
3238         event_header_field_type =
3239                 bt_ctf_field_type_structure_get_field_type_by_name(
3240                 ret_field_type, "id");
3241         ok(event_header_field_type,
3242                 "Default event header type contains an \"id\" field");
3243         ok(bt_ctf_field_type_get_type_id(
3244                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3245                 "Default event header \"id\" field is an integer");
3246         bt_put(event_header_field_type);
3247         event_header_field_type =
3248                 bt_ctf_field_type_structure_get_field_type_by_name(
3249                 ret_field_type, "timestamp");
3250         ok(event_header_field_type,
3251                 "Default event header type contains a \"timestamp\" field");
3252         ok(bt_ctf_field_type_get_type_id(
3253                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3254                 "Default event header \"timestamp\" field is an integer");
3255         bt_put(event_header_field_type);
3256         bt_put(ret_field_type);
3257
3258         /* Add a custom trace packet header field */
3259         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3260                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3261         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3262         ok(packet_header_type,
3263                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3264         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3265                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3266         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3267                 packet_header_type, "magic");
3268         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3269         bt_put(ret_field_type);
3270         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3271                 packet_header_type, "uuid");
3272         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3273         bt_put(ret_field_type);
3274         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3275                 packet_header_type, "stream_id");
3276         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3277         bt_put(ret_field_type);
3278
3279         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3280         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3281                 packet_header_field_type, "custom_trace_packet_header_field"),
3282                 "Added a custom trace packet header field successfully");
3283
3284         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3285                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3286         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3287                 "Set a trace packet_header_type successfully");
3288
3289         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3290                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3291
3292         /* Add a custom field to the stream class' packet context */
3293         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3294         ok(packet_context_type,
3295                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3296         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3297                 "Packet context is a structure");
3298
3299         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3300                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3301
3302         integer_type = bt_ctf_field_type_integer_create(32);
3303         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3304                 integer_type) < 0,
3305                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3306         /* Create a "uint5_t" equivalent custom packet context field */
3307         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3308
3309         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3310                 packet_context_field_type, "custom_packet_context_field");
3311         ok(ret == 0, "Packet context field added successfully");
3312
3313         /* Define a stream event context containing a my_integer field. */
3314         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3315                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3316         ok(bt_ctf_stream_class_get_event_context_type(
3317                 stream_class) == NULL,
3318                 "bt_ctf_stream_class_get_event_context_type returns NULL when no stream event context type was set.");
3319         stream_event_context_type = bt_ctf_field_type_structure_create();
3320         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3321                 integer_type, "common_event_context");
3322
3323         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3324                 stream_event_context_type) < 0,
3325                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3326         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3327                 integer_type) < 0,
3328                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3329
3330         ok(bt_ctf_stream_class_set_event_context_type(
3331                 stream_class, stream_event_context_type) == 0,
3332                 "Set a new stream event context type");
3333         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3334                 stream_class);
3335         ok(ret_field_type == stream_event_context_type,
3336                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3337         bt_put(ret_field_type);
3338
3339         /* Instantiate a stream and append events */
3340         ret = bt_ctf_writer_add_clock(writer, clock);
3341         assert(ret == 0);
3342         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3343                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3344         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3345         ok(stream1, "Instanciate a stream class from writer");
3346         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3347                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3348         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3349         ok(stream == stream1,
3350                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3351         BT_PUT(stream);
3352
3353         /*
3354          * Creating a stream through a writer adds the given stream
3355          * class to the writer's trace, thus registering the stream
3356          * class's clock to the trace.
3357          */
3358         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3359                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3360         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3361                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3362         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3363                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3364         ok(!bt_ctf_trace_get_clock_class_by_index(trace, -1),
3365                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3366         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3367                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3368         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3369         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3370                 bt_ctf_clock_get_name(clock)) == 0,
3371                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3372         bt_put(ret_clock_class);
3373         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3374                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3375         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3376                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3377         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3378                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3379         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3380         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3381                 bt_ctf_clock_get_name(clock)) == 0,
3382                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3383         bt_put(ret_clock_class);
3384         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3385                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3386
3387         ok(bt_ctf_stream_get_class(NULL) == NULL,
3388                 "bt_ctf_stream_get_class correctly handles NULL");
3389         ret_stream_class = bt_ctf_stream_get_class(stream1);
3390         ok(ret_stream_class,
3391                 "bt_ctf_stream_get_class returns a stream class");
3392         ok(ret_stream_class == stream_class,
3393                 "Returned stream class is of the correct type");
3394
3395         /*
3396          * Packet header, packet context, event header, and stream
3397          * event context types were copied for the resolving
3398          * process
3399          */
3400         BT_PUT(packet_header_type);
3401         BT_PUT(packet_context_type);
3402         BT_PUT(stream_event_context_type);
3403         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3404         assert(packet_header_type);
3405         packet_context_type =
3406                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3407         assert(packet_context_type);
3408         stream_event_context_type =
3409                 bt_ctf_stream_class_get_event_context_type(stream_class);
3410         assert(stream_event_context_type);
3411
3412         /*
3413          * Try to modify the packet context type after a stream has been
3414          * created.
3415          */
3416         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3417                 packet_header_field_type, "should_fail");
3418         ok(ret < 0,
3419                 "Trace packet header type can't be modified once a stream has been instanciated");
3420
3421         /*
3422          * Try to modify the packet context type after a stream has been
3423          * created.
3424          */
3425         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3426                 packet_context_field_type, "should_fail");
3427         ok(ret < 0,
3428                 "Packet context type can't be modified once a stream has been instanciated");
3429
3430         /*
3431          * Try to modify the stream event context type after a stream has been
3432          * created.
3433          */
3434         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3435                 integer_type, "should_fail");
3436         ok(ret < 0,
3437                 "Stream event context type can't be modified once a stream has been instanciated");
3438
3439         /* Should fail after instanciating a stream (frozen) */
3440         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3441                 "Changes to a stream class that was already instantiated fail");
3442
3443         /* Populate the custom packet header field only once for all tests */
3444         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3445                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3446         packet_header = bt_ctf_stream_get_packet_header(stream1);
3447         ok(packet_header,
3448                 "bt_ctf_stream_get_packet_header returns a packet header");
3449         ret_field_type = bt_ctf_field_get_type(packet_header);
3450         ok(ret_field_type == packet_header_type,
3451                 "Stream returns a packet header of the appropriate type");
3452         bt_put(ret_field_type);
3453         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3454                 "custom_trace_packet_header_field");
3455         ok(packet_header_field,
3456                 "Packet header structure contains a custom field with the appropriate name");
3457         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3458         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3459                 "Custom packet header field is of the expected type");
3460         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3461                 54321), "Set custom packet header value successfully");
3462         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3463                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3464         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3465                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3466         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3467                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3468         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3469                 "Successfully set a stream's packet header");
3470
3471         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3472                 "Add environment field to writer after stream creation");
3473
3474         test_clock_utils();
3475
3476         test_create_writer_vs_non_writer_mode();
3477
3478         test_set_clock_non_writer_stream_class();
3479
3480         test_instanciate_event_before_stream(writer, clock);
3481
3482         append_simple_event(stream_class, stream1, clock);
3483
3484         packet_resize_test(stream_class, stream1, clock);
3485
3486         append_complex_event(stream_class, stream1, clock);
3487
3488         append_existing_event_class(stream_class);
3489
3490         test_empty_stream(writer);
3491
3492         test_custom_event_header_stream(writer, clock);
3493
3494         test_static_trace();
3495
3496         test_trace_uuid();
3497
3498         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3499         ok(metadata_string, "Get metadata string");
3500
3501         bt_ctf_writer_flush_metadata(writer);
3502
3503         bt_put(clock);
3504         bt_put(ret_stream_class);
3505         bt_put(writer);
3506         bt_put(stream1);
3507         bt_put(packet_context_type);
3508         bt_put(packet_context_field_type);
3509         bt_put(integer_type);
3510         bt_put(stream_event_context_type);
3511         bt_put(ret_field_type);
3512         bt_put(packet_header_type);
3513         bt_put(packet_header_field_type);
3514         bt_put(packet_header);
3515         bt_put(packet_header_field);
3516         bt_put(trace);
3517         free(metadata_string);
3518         bt_put(stream_class);
3519
3520         validate_trace(argv[1], trace_path);
3521
3522         //recursive_rmdir(trace_path);
3523         return 0;
3524 }