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 612
  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
 375         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 376                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 377         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 378                 "Set an event class' context type successfully");
 379         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 380         ok(returned_type == event_context_type,
 381                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 382         bt_put(returned_type);
 383
 384         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 385                 "Adding simple event class to stream class");
 386
 387         /*
 388          * bt_ctf_stream_class_add_event_class() copies the field types
 389          * of simple_event_class, so we retrieve the new ones to create
 390          * the appropriate fields.
 391          */
 392         BT_PUT(event_context_type);
 393         BT_PUT(event_payload_type);
 394         event_payload_type = bt_ctf_event_class_get_payload_type(
 395                 simple_event_class);
 396         assert(event_payload_type);
 397         event_context_type = bt_ctf_event_class_get_context_type(
 398                 simple_event_class);
 399         assert(event_context_type);
 400         ep_integer_field_type =
 401                 bt_ctf_field_type_structure_get_field_type_by_name(
 402                         event_payload_type, "integer_field");
 403         assert(ep_integer_field_type);
 404         ep_enum_field_type =
 405                 bt_ctf_field_type_structure_get_field_type_by_name(
 406                         event_payload_type, "enum_field");
 407         assert(ep_enum_field_type);
 408         ep_enum_field_unsigned_type =
 409                 bt_ctf_field_type_structure_get_field_type_by_name(
 410                         event_payload_type, "enum_field_unsigned");
 411         assert(ep_enum_field_unsigned_type);
 412
 413         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 414                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 415         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 416                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 417         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 418                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 419         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 420                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 421         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 422         ok(ret_event_class == simple_event_class,
 423                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 424         bt_put(ret_event_class);
 425         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 426                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 427         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 428                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 429         ret_event_class =
 430                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 431         ok(ret_event_class == simple_event_class,
 432                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 433         bt_put(ret_event_class);
 434
 435         simple_event = bt_ctf_event_create(simple_event_class);
 436         ok(simple_event,
 437                 "Instantiate an event containing a single integer field");
 438
 439         integer_field = bt_ctf_field_create(ep_integer_field_type);
 440         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 441         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 442                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 443
 444         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 445         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 446                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 447         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 448         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 449                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 450         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 451                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 452         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 453                 "bt_ctf_field_floating_point_get_value returns a double value");
 454         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 455                 "bt_ctf_field_floating_point_get_value returns a correct value");
 456
 457         enum_field = bt_ctf_field_create(ep_enum_field_type);
 458         assert(enum_field);
 459
 460         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 461         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 462         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 463         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 464         enum_container_field = bt_ctf_field_enumeration_get_container(
 465                 enum_field);
 466         ok(bt_ctf_field_signed_integer_set_value(
 467                 enum_container_field, -42) == 0,
 468                 "Set signed enumeration container value");
 469         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 470         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 471         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 472         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 473         ok(!strcmp(ret_char, mapping_name_negative_test),
 474                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 475         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 476         assert(!ret);
 477         BT_PUT(iter);
 478
 479         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 480         assert(enum_field_unsigned);
 481         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 482                 enum_field_unsigned);
 483         ok(bt_ctf_field_unsigned_integer_set_value(
 484                 enum_container_field_unsigned, 42) == 0,
 485                 "Set unsigned enumeration container value");
 486         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 487                 enum_field_unsigned);
 488         assert(!ret);
 489         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 490         assert(iter);
 491         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 492         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 493                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 494
 495         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 496
 497         /* Populate stream event context */
 498         stream_event_context =
 499                 bt_ctf_event_get_stream_event_context(simple_event);
 500         assert(stream_event_context);
 501         stream_event_context_field = bt_ctf_field_structure_get_field(
 502                 stream_event_context, "common_event_context");
 503         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 504
 505         /* Populate the event's context */
 506         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 507                 "bt_ctf_event_get_event_context handles NULL correctly");
 508         event_context = bt_ctf_event_get_event_context(simple_event);
 509         ok(event_context,
 510                 "bt_ctf_event_get_event_context returns a field");
 511         returned_type = bt_ctf_field_get_type(event_context);
 512         ok(returned_type == event_context_type,
 513                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 514         event_context_field = bt_ctf_field_structure_get_field(event_context,
 515                 "event_specific_context");
 516         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 517                 "Successfully set an event context's value");
 518         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 519                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 520         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 521                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 522         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 523                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 524         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 525                 "Set an event context successfully");
 526
 527         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 528                 "Append simple event to trace stream");
 529
 530         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 531                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 532         packet_context = bt_ctf_stream_get_packet_context(stream);
 533         ok(packet_context,
 534                 "bt_ctf_stream_get_packet_context returns a packet context");
 535
 536         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 537                 "packet_size");
 538         ok(packet_context_field,
 539                 "Packet context contains the default packet_size field.");
 540         bt_put(packet_context_field);
 541         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 542                 "custom_packet_context_field");
 543         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 544                 "Custom packet context field value successfully set.");
 545
 546         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 547                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 548         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 549                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 550         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 551                 "Successfully set a stream's packet context");
 552
 553         ok(bt_ctf_stream_flush(stream) == 0,
 554                 "Flush trace stream with one event");
 555
 556         bt_put(simple_event_class);
 557         bt_put(simple_event);
 558         bt_put(uint_12_type);
 559         bt_put(int_64_type);
 560         bt_put(float_type);
 561         bt_put(enum_type);
 562         bt_put(enum_type_unsigned);
 563         bt_put(returned_type);
 564         bt_put(event_context_type);
 565         bt_put(integer_field);
 566         bt_put(float_field);
 567         bt_put(enum_field);
 568         bt_put(enum_field_unsigned);
 569         bt_put(enum_container_field);
 570         bt_put(enum_container_field_unsigned);
 571         bt_put(packet_context);
 572         bt_put(packet_context_field);
 573         bt_put(stream_event_context);
 574         bt_put(stream_event_context_field);
 575         bt_put(event_context);
 576         bt_put(event_context_field);
 577         bt_put(event_payload_type);
 578         bt_put(ep_integer_field_type);
 579         bt_put(ep_enum_field_type);
 580         bt_put(ep_enum_field_unsigned_type);
 581         bt_put(iter);
 582 }
 583
 584 static
 585 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 586                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 587 {
 588         struct event_class_attrs_counts {
 589                 int id;
 590                 int name;
 591                 int loglevel;
 592                 int modelemfuri;
 593                 int unknown;
 594         } attrs_count;
 595
 596         int i;
 597         int ret;
 598         int64_t int64_value;
 599         struct event_class_attrs_counts ;
 600         const char *complex_test_event_string = "Complex Test Event";
 601         const char *test_string_1 = "Test ";
 602         const char *test_string_2 = "string ";
 603         const char *test_string_3 = "abcdefghi";
 604         const char *test_string_4 = "abcd\0efg\0hi";
 605         const char *test_string_cat = "Test string abcdeabcd";
 606         struct bt_ctf_field_type *uint_35_type =
 607                 bt_ctf_field_type_integer_create(35);
 608         struct bt_ctf_field_type *int_16_type =
 609                 bt_ctf_field_type_integer_create(16);
 610         struct bt_ctf_field_type *uint_3_type =
 611                 bt_ctf_field_type_integer_create(3);
 612         struct bt_ctf_field_type *enum_variant_type =
 613                 bt_ctf_field_type_enumeration_create(uint_3_type);
 614         struct bt_ctf_field_type *variant_type =
 615                 bt_ctf_field_type_variant_create(enum_variant_type,
 616                         "variant_selector");
 617         struct bt_ctf_field_type *string_type =
 618                 bt_ctf_field_type_string_create();
 619         struct bt_ctf_field_type *sequence_type;
 620         struct bt_ctf_field_type *array_type;
 621         struct bt_ctf_field_type *inner_structure_type =
 622                 bt_ctf_field_type_structure_create();
 623         struct bt_ctf_field_type *complex_structure_type =
 624                 bt_ctf_field_type_structure_create();
 625         struct bt_ctf_field_type *ret_field_type;
 626         struct bt_ctf_event_class *event_class;
 627         struct bt_ctf_event *event;
 628         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 629                 *inner_structure_field, *complex_structure_field,
 630                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 631                 *variant_field, *an_array_field, *stream_event_ctx_field,
 632                 *stream_event_ctx_int_field, *ret_field;
 633         uint64_t ret_unsigned_int;
 634         int64_t ret_signed_int;
 635         const char *ret_string;
 636         struct bt_ctf_stream_class *ret_stream_class;
 637         struct bt_ctf_event_class *ret_event_class;
 638         struct bt_ctf_field *packet_context, *packet_context_field;
 639         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 640         struct bt_value *obj;
 641
 642         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 643                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 644         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 645                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 646         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 647                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 648         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 649                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 650         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 651                 "Set alignment of signed 16 bit integer to 32");
 652         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 653                 "Set integer signedness to true");
 654         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 655                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 656                 "Set signed 16 bit integer base to hexadecimal");
 657
 658         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 659         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 660                 "seq_len");
 661
 662         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 663                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 664         ret_field_type = bt_ctf_field_type_array_get_element_type(
 665                 array_type);
 666         ok(ret_field_type == int_16_type,
 667                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 668         bt_put(ret_field_type);
 669
 670         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 671                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 672         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 673                 "bt_ctf_field_type_array_get_length returns the correct length");
 674
 675         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 676                 inner_structure_type, "yes"), "Cannot add self to structure");
 677         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 678                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 679         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 680                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 681         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 682                 array_type, "an_array"), "Add an_array field to inner structure");
 683
 684         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 685                 "UINT3_TYPE", 0, 0);
 686         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 687                 "INT16_TYPE", 1, 1);
 688         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 689                 "UINT35_TYPE", 2, 7);
 690
 691         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 692         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 693
 694         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 695         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 696         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 697                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 698         BT_PUT(iter);
 699
 700         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 701         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 702
 703         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 704         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 705
 706         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 707         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 708         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 709                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 710         BT_PUT(iter);
 711
 712         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 713         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 714         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 715                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 716         BT_PUT(iter);
 717
 718         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 719                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 720         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 721                 "UINT3_TYPE") == 0, "Add a field to a variant");
 722         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 723                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 724         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 725                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 726
 727         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 728                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 729         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 730         ok(ret_field_type == enum_variant_type,
 731                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 732         bt_put(ret_field_type);
 733
 734         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 735                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 736         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 737         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 738                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 739         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 740                 "INT16_TYPE") == NULL,
 741                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 742         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 743                 NULL) == NULL,
 744                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 745         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 746                 variant_type, "INT16_TYPE");
 747         ok(ret_field_type == int_16_type,
 748                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 749         bt_put(ret_field_type);
 750
 751         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 752                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 753         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 754                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 755
 756         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 757                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 758         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 759                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 760         bt_put(ret_field_type);
 761         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 762                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 763         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 764                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 765         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 766                 "bt_ctf_field_type_variant_get_field returns a field");
 767         ok(!strcmp("INT16_TYPE", ret_string),
 768                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 769         ok(ret_field_type == int_16_type,
 770                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 771         bt_put(ret_field_type);
 772
 773         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 774                 enum_variant_type, "variant_selector"),
 775                 "Add variant_selector field to complex structure");
 776         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 777                 string_type, "a_string"), "Add a_string field to complex structure");
 778         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 779                 variant_type, "variant_value"),
 780                 "Add variant_value field to complex structure");
 781         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 782                 inner_structure_type, "inner_structure"),
 783                 "Add inner_structure field to complex structure");
 784
 785         ok(bt_ctf_event_class_create("clock") == NULL,
 786                 "Reject creation of an event class with an illegal name");
 787         event_class = bt_ctf_event_class_create(complex_test_event_string);
 788         ok(event_class, "Create an event class");
 789         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 790                 "Reject addition of a field with an empty name to an event");
 791         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 792                 "Reject addition of a field with a NULL type to an event");
 793         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 794                 "int"),
 795                 "Reject addition of a type with an illegal name to an event");
 796         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 797                 "uint_35") == 0,
 798                 "Add field of type unsigned integer to an event");
 799         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 800                 "int_16") == 0, "Add field of type signed integer to an event");
 801         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 802                 "complex_structure") == 0,
 803                 "Add composite structure to an event");
 804
 805         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 806                 "bt_ctf_event_class_get_name handles NULL correctly");
 807         ret_string = bt_ctf_event_class_get_name(event_class);
 808         ok(!strcmp(ret_string, complex_test_event_string),
 809                 "bt_ctf_event_class_get_name returns a correct name");
 810         ok(bt_ctf_event_class_get_id(event_class) < 0,
 811                 "bt_ctf_event_class_get_id returns a negative value when not set");
 812         ok(bt_ctf_event_class_get_id(NULL) < 0,
 813                 "bt_ctf_event_class_get_id handles NULL correctly");
 814         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 815                 "bt_ctf_event_class_set_id handles NULL correctly");
 816         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 817                 "Set an event class' id");
 818         ok(bt_ctf_event_class_get_id(event_class) == 42,
 819                 "bt_ctf_event_class_get_id returns the correct value");
 820
 821         /* Test event class attributes */
 822         obj = bt_value_integer_create_init(15);
 823         assert(obj);
 824         ok(bt_ctf_event_class_set_attribute(NULL, "id", obj),
 825                 "bt_ctf_event_class_set_attribute handles a NULL event class correctly");
 826         ok(bt_ctf_event_class_set_attribute(event_class, NULL, obj),
 827                 "bt_ctf_event_class_set_attribute handles a NULL name correctly");
 828         ok(bt_ctf_event_class_set_attribute(event_class, "id", NULL),
 829                 "bt_ctf_event_class_set_attribute handles a NULL value correctly");
 830         assert(!bt_value_integer_set(obj, -3));
 831         ok(bt_ctf_event_class_set_attribute(event_class, "id", obj),
 832                 "bt_ctf_event_class_set_attribute fails with a negative \"id\" attribute");
 833         assert(!bt_value_integer_set(obj, 11));
 834         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 835         ok(!ret && bt_ctf_event_class_get_id(event_class) == 11,
 836                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"id\" attribute");
 837         ret = bt_ctf_event_class_set_attribute(event_class, "name", obj);
 838         ret &= bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj);
 839         ok(ret,
 840                 "bt_ctf_event_class_set_attribute cannot set \"name\" or \"model.emf.uri\" to an integer value");
 841         BT_PUT(obj);
 842
 843         obj = bt_value_integer_create_init(5);
 844         assert(obj);
 845         ok(!bt_ctf_event_class_set_attribute(event_class, "loglevel", obj),
 846                 "bt_ctf_event_class_set_attribute succeeds in setting the \"loglevel\" attribute");
 847         BT_PUT(obj);
 848         ok(!bt_ctf_event_class_get_attribute_value_by_name(NULL, "loglevel"),
 849                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL event class correctly");
 850         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, NULL),
 851                 "bt_ctf_event_class_get_attribute_value_by_name handles a NULL name correctly");
 852         ok(!bt_ctf_event_class_get_attribute_value_by_name(event_class, "meow"),
 853                 "bt_ctf_event_class_get_attribute_value_by_name fails with a non-existing attribute name");
 854         obj = bt_ctf_event_class_get_attribute_value_by_name(event_class,
 855                 "loglevel");
 856         int64_value = 0;
 857         ret = bt_value_integer_get(obj, &int64_value);
 858         ok(obj && !ret && int64_value == 5,
 859                 "bt_ctf_event_class_get_attribute_value_by_name returns the correct value");
 860         BT_PUT(obj);
 861
 862         obj = bt_value_string_create_init("nu name");
 863         assert(obj);
 864         assert(!bt_ctf_event_class_set_attribute(event_class, "name", obj));
 865         ret_string = bt_ctf_event_class_get_name(event_class);
 866         ok(!strcmp(ret_string, "nu name"),
 867                 "bt_ctf_event_class_set_attribute succeeds in replacing the existing \"name\" attribute");
 868         ret = bt_ctf_event_class_set_attribute(event_class, "id", obj);
 869         ret &= bt_ctf_event_class_set_attribute(event_class, "loglevel", obj);
 870         ok(ret,
 871                 "bt_ctf_event_class_set_attribute cannot set \"id\" or \"loglevel\" to a string value");
 872         BT_PUT(obj);
 873         obj = bt_value_string_create_init("http://kernel.org/");
 874         assert(obj);
 875         assert(!bt_ctf_event_class_set_attribute(event_class, "model.emf.uri", obj));
 876         BT_PUT(obj);
 877
 878         ok(bt_ctf_event_class_get_attribute_count(NULL),
 879                 "bt_ctf_event_class_get_attribute_count handles a NULL event class");
 880         ok(bt_ctf_event_class_get_attribute_count(event_class) == 4,
 881                 "bt_ctf_event_class_get_attribute_count returns the correct count");
 882         ok(!bt_ctf_event_class_get_attribute_name_by_index(NULL, 0),
 883                 "bt_ctf_event_class_get_attribute_name handles a NULL event class correctly");
 884         ok(!bt_ctf_event_class_get_attribute_name_by_index(event_class, 4),
 885                 "bt_ctf_event_class_get_attribute_name handles a too large index correctly");
 886         ok(!bt_ctf_event_class_get_attribute_value_by_index(NULL, 0),
 887                 "bt_ctf_event_class_get_attribute_value handles a NULL event class correctly");
 888         ok(!bt_ctf_event_class_get_attribute_value_by_index(event_class, 4),
 889                 "bt_ctf_event_class_get_attribute_value handles a too large index correctly");
 890
 891         memset(&attrs_count, 0, sizeof(attrs_count));
 892
 893         for (i = 0; i < 4; ++i) {
 894                 ret_string = bt_ctf_event_class_get_attribute_name_by_index(
 895                         event_class, i);
 896                 obj = bt_ctf_event_class_get_attribute_value_by_index(
 897                         event_class, i);
 898                 assert(ret_string && obj);
 899
 900                 if (!strcmp(ret_string, "id")) {
 901                         attrs_count.id++;
 902                         ok(bt_value_is_integer(obj),
 903                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 904                                 ret_string);
 905                 } else if (!strcmp(ret_string, "name")) {
 906                         attrs_count.name++;
 907                         ok(bt_value_is_string(obj),
 908                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 909                                 ret_string);
 910                 } else if (!strcmp(ret_string, "loglevel")) {
 911                         attrs_count.loglevel++;
 912                         ok(bt_value_is_integer(obj),
 913                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 914                                 ret_string);
 915                 } else if (!strcmp(ret_string, "model.emf.uri")) {
 916                         attrs_count.modelemfuri++;
 917                         ok(bt_value_is_string(obj),
 918                                 "bt_ctf_event_class_get_attribute_value returns the correct type (\"%s\")",
 919                                 ret_string);
 920                 } else {
 921                         attrs_count.unknown++;
 922                 }
 923
 924                 BT_PUT(obj);
 925         }
 926
 927         ok(attrs_count.unknown == 0, "event class has no unknown attributes");
 928         ok(attrs_count.id == 1 && attrs_count.name == 1 &&
 929                 attrs_count.loglevel == 1 && attrs_count.modelemfuri == 1,
 930                 "event class has one instance of each known attribute");
 931
 932         /* Add event class to the stream class */
 933         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 934                 "Reject addition of NULL event class to a stream class");
 935         ok(bt_ctf_stream_class_add_event_class(stream_class,
 936                 event_class) == 0, "Add an event class to stream class");
 937
 938         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 939                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 940         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 941         ok(ret_stream_class == stream_class,
 942                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 943         bt_put(ret_stream_class);
 944
 945         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 946                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 947         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 948                 "bt_ctf_event_class_get_field_count returns a correct value");
 949
 950         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 951                 &ret_field_type, 0) < 0,
 952                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 953         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 954                 &ret_field_type, 0) == 0,
 955                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 956         bt_put(ret_field_type);
 957         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 958                 NULL, 0) == 0,
 959                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 960         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 961                 &ret_field_type, 42) < 0,
 962                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 963         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 964                 &ret_field_type, 0) == 0,
 965                 "bt_ctf_event_class_get_field returns a field");
 966         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 967                 "bt_ctf_event_class_get_field returns a correct field type");
 968         bt_put(ret_field_type);
 969         ok(!strcmp(ret_string, "uint_35"),
 970                 "bt_ctf_event_class_get_field returns a correct field name");
 971         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 972                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 973         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 974                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 975         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 976                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 977         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 978                 "complex_structure");
 979         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 980                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 981         bt_put(ret_field_type);
 982
 983         event = bt_ctf_event_create(event_class);
 984         ok(event, "Instanciate a complex event");
 985
 986         ok(bt_ctf_event_get_class(NULL) == NULL,
 987                 "bt_ctf_event_get_class handles NULL correctly");
 988         ret_event_class = bt_ctf_event_get_class(event);
 989         ok(ret_event_class == event_class,
 990                 "bt_ctf_event_get_class returns the correct event class");
 991         bt_put(ret_event_class);
 992
 993         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 994         if (!uint_35_field) {
 995                 printf("uint_35_field is NULL\n");
 996         }
 997
 998         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 999         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
1000         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
1001                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
1002         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
1003                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
1004         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
1005                 &ret_unsigned_int) == 0,
1006                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
1007         ok(ret_unsigned_int == 0x0DDF00D,
1008                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
1009         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
1010                 &ret_signed_int) < 0,
1011                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
1012         bt_put(uint_35_field);
1013
1014         int_16_field = bt_ctf_event_get_payload(event, "int_16");
1015         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
1016         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
1017                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
1018         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
1019                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
1020         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
1021                 &ret_signed_int) == 0,
1022                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
1023         ok(ret_signed_int == -12345,
1024                 "bt_ctf_field_signed_integer_get_value returns the correct value");
1025         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
1026                 &ret_unsigned_int) < 0,
1027                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
1028         bt_put(int_16_field);
1029
1030         complex_structure_field = bt_ctf_event_get_payload(event,
1031                 "complex_structure");
1032
1033         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
1034                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
1035         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
1036                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
1037         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
1038                 complex_structure_field, 3);
1039         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
1040         bt_put(inner_structure_field);
1041         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
1042                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
1043         bt_put(ret_field_type);
1044
1045         inner_structure_field = bt_ctf_field_structure_get_field(
1046                 complex_structure_field, "inner_structure");
1047         a_string_field = bt_ctf_field_structure_get_field(
1048                 complex_structure_field, "a_string");
1049         enum_variant_field = bt_ctf_field_structure_get_field(
1050                 complex_structure_field, "variant_selector");
1051         variant_field = bt_ctf_field_structure_get_field(
1052                 complex_structure_field, "variant_value");
1053         uint_35_field = bt_ctf_field_structure_get_field(
1054                 inner_structure_field, "seq_len");
1055         a_sequence_field = bt_ctf_field_structure_get_field(
1056                 inner_structure_field, "a_sequence");
1057         an_array_field = bt_ctf_field_structure_get_field(
1058                 inner_structure_field, "an_array");
1059
1060         enum_container_field = bt_ctf_field_enumeration_get_container(
1061                 enum_variant_field);
1062         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
1063         int_16_field = bt_ctf_field_variant_get_field(variant_field,
1064                 enum_variant_field);
1065         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
1066         bt_put(int_16_field);
1067         ok(!bt_ctf_field_string_get_value(a_string_field),
1068                 "bt_ctf_field_string_get_value returns NULL on an unset field");
1069         bt_ctf_field_string_set_value(a_string_field,
1070                 test_string_1);
1071         ok(!bt_ctf_field_string_get_value(NULL),
1072                 "bt_ctf_field_string_get_value correctly handles NULL");
1073         ok(bt_ctf_field_string_append(NULL, "yeah"),
1074                 "bt_ctf_field_string_append correctly handles a NULL string field");
1075         ok(bt_ctf_field_string_append(a_string_field, NULL),
1076                 "bt_ctf_field_string_append correctly handles a NULL string value");
1077         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
1078                 "bt_ctf_field_string_append succeeds");
1079         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
1080                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
1081         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
1082                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
1083         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
1084                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1085         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1086                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1087         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1088                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1089         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1090                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1091
1092         ret_string = bt_ctf_field_string_get_value(a_string_field);
1093         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1094         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1095                 "bt_ctf_field_string_get_value returns a correct value");
1096         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1097                 SEQUENCE_TEST_LENGTH);
1098
1099         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1100                 enum_container_field) == NULL,
1101                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1102         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1103                 NULL) == NULL,
1104                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1105         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1106                 variant_type, enum_variant_field);
1107         ok(ret_field_type == int_16_type,
1108                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1109
1110         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1111                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1112         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1113                 uint_35_field) == 0, "Set a sequence field's length");
1114         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1115         ok(ret_field == uint_35_field,
1116                 "bt_ctf_field_sequence_get_length returns the correct length field");
1117         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1118                 "bt_ctf_field_sequence_get_length properly handles NULL");
1119
1120         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1121                 int_16_field = bt_ctf_field_sequence_get_field(
1122                         a_sequence_field, i);
1123                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1124                 bt_put(int_16_field);
1125         }
1126
1127         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1128                 int_16_field = bt_ctf_field_array_get_field(
1129                         an_array_field, i);
1130                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1131                 bt_put(int_16_field);
1132         }
1133
1134         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1135         assert(stream_event_ctx_field);
1136         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1137                 stream_event_ctx_field, "common_event_context");
1138         BT_PUT(stream_event_ctx_field);
1139         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1140         BT_PUT(stream_event_ctx_int_field);
1141
1142         bt_ctf_clock_set_time(clock, ++current_time);
1143         ok(bt_ctf_stream_append_event(stream, event) == 0,
1144                 "Append a complex event to a stream");
1145
1146         /*
1147          * Populate the custom packet context field with a dummy value
1148          * otherwise flush will fail.
1149          */
1150         packet_context = bt_ctf_stream_get_packet_context(stream);
1151         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1152                 "custom_packet_context_field");
1153         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1154
1155         ok(bt_ctf_stream_flush(stream) == 0,
1156                 "Flush a stream containing a complex event");
1157
1158         bt_put(uint_35_field);
1159         bt_put(a_string_field);
1160         bt_put(inner_structure_field);
1161         bt_put(complex_structure_field);
1162         bt_put(a_sequence_field);
1163         bt_put(an_array_field);
1164         bt_put(enum_variant_field);
1165         bt_put(enum_container_field);
1166         bt_put(variant_field);
1167         bt_put(ret_field);
1168         bt_put(packet_context_field);
1169         bt_put(packet_context);
1170         bt_put(uint_35_type);
1171         bt_put(int_16_type);
1172         bt_put(string_type);
1173         bt_put(sequence_type);
1174         bt_put(array_type);
1175         bt_put(inner_structure_type);
1176         bt_put(complex_structure_type);
1177         bt_put(uint_3_type);
1178         bt_put(enum_variant_type);
1179         bt_put(variant_type);
1180         bt_put(ret_field_type);
1181         bt_put(event_class);
1182         bt_put(event);
1183 }
1184
1185 static
1186 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1187                 struct bt_ctf_field_type *expected_type, const char *name)
1188 {
1189         struct bt_ctf_field_type *copy_type;
1190
1191         copy_type = bt_ctf_field_get_type(field);
1192         ok(copy_type == expected_type,
1193                 "bt_ctf_field_copy does not copy the type (%s)", name);
1194         bt_put(copy_type);
1195 }
1196
1197 static
1198 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1199                 struct bt_ctf_field *field_b, const char *name)
1200 {
1201         ok(field_a != field_b,
1202                 "bt_ctf_field_copy creates different pointers (%s)", name);
1203 }
1204
1205 static
1206 void field_copy_tests()
1207 {
1208         struct bt_ctf_field_type *len_type = NULL;
1209         struct bt_ctf_field_type *fp_type = NULL;
1210         struct bt_ctf_field_type *s_type = NULL;
1211         struct bt_ctf_field_type *e_int_type = NULL;
1212         struct bt_ctf_field_type *e_type = NULL;
1213         struct bt_ctf_field_type *v_type = NULL;
1214         struct bt_ctf_field_type *v_label1_type = NULL;
1215         struct bt_ctf_field_type *v_label1_array_type = NULL;
1216         struct bt_ctf_field_type *v_label2_type = NULL;
1217         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1218         struct bt_ctf_field_type *strct_type = NULL;
1219         struct bt_ctf_field *len = NULL;
1220         struct bt_ctf_field *fp = NULL;
1221         struct bt_ctf_field *s = NULL;
1222         struct bt_ctf_field *e_int = NULL;
1223         struct bt_ctf_field *e = NULL;
1224         struct bt_ctf_field *v = NULL;
1225         struct bt_ctf_field *v_selected = NULL;
1226         struct bt_ctf_field *v_selected_cur = NULL;
1227         struct bt_ctf_field *v_selected_0 = NULL;
1228         struct bt_ctf_field *v_selected_1 = NULL;
1229         struct bt_ctf_field *v_selected_2 = NULL;
1230         struct bt_ctf_field *v_selected_3 = NULL;
1231         struct bt_ctf_field *v_selected_4 = NULL;
1232         struct bt_ctf_field *v_selected_5 = NULL;
1233         struct bt_ctf_field *v_selected_6 = NULL;
1234         struct bt_ctf_field *a = NULL;
1235         struct bt_ctf_field *a_0 = NULL;
1236         struct bt_ctf_field *a_1 = NULL;
1237         struct bt_ctf_field *a_2 = NULL;
1238         struct bt_ctf_field *a_3 = NULL;
1239         struct bt_ctf_field *a_4 = NULL;
1240         struct bt_ctf_field *strct = NULL;
1241         struct bt_ctf_field *len_copy = NULL;
1242         struct bt_ctf_field *fp_copy = NULL;
1243         struct bt_ctf_field *s_copy = NULL;
1244         struct bt_ctf_field *e_int_copy = NULL;
1245         struct bt_ctf_field *e_copy = NULL;
1246         struct bt_ctf_field *v_copy = NULL;
1247         struct bt_ctf_field *v_selected_copy = NULL;
1248         struct bt_ctf_field *v_selected_copy_len = NULL;
1249         struct bt_ctf_field *v_selected_0_copy = NULL;
1250         struct bt_ctf_field *v_selected_1_copy = NULL;
1251         struct bt_ctf_field *v_selected_2_copy = NULL;
1252         struct bt_ctf_field *v_selected_3_copy = NULL;
1253         struct bt_ctf_field *v_selected_4_copy = NULL;
1254         struct bt_ctf_field *v_selected_5_copy = NULL;
1255         struct bt_ctf_field *v_selected_6_copy = NULL;
1256         struct bt_ctf_field *a_copy = NULL;
1257         struct bt_ctf_field *a_0_copy = NULL;
1258         struct bt_ctf_field *a_1_copy = NULL;
1259         struct bt_ctf_field *a_2_copy = NULL;
1260         struct bt_ctf_field *a_3_copy = NULL;
1261         struct bt_ctf_field *a_4_copy = NULL;
1262         struct bt_ctf_field *strct_copy = NULL;
1263         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1264         uint64_t uint64_t_val;
1265         const char *str_val;
1266         double double_val;
1267         int ret;
1268
1269         /* create len type */
1270         len_type = bt_ctf_field_type_integer_create(32);
1271         assert(len_type);
1272
1273         /* create fp type */
1274         fp_type = bt_ctf_field_type_floating_point_create();
1275         assert(fp_type);
1276
1277         /* create s type */
1278         s_type = bt_ctf_field_type_string_create();
1279         assert(s_type);
1280
1281         /* create e_int type */
1282         e_int_type = bt_ctf_field_type_integer_create(8);
1283         assert(e_int_type);
1284
1285         /* create e type */
1286         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1287         assert(e_type);
1288         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1289                 10, 15);
1290         assert(!ret);
1291         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1292                 23, 23);
1293         assert(!ret);
1294
1295         /* create v_label1 type */
1296         v_label1_type = bt_ctf_field_type_string_create();
1297         assert(v_label1_type);
1298
1299         /* create v_label1_array type */
1300         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1301         assert(v_label1_array_type);
1302
1303         /* create v_label2 type */
1304         v_label2_type = bt_ctf_field_type_integer_create(16);
1305         assert(v_label2_type);
1306
1307         /* create v_label2_seq type */
1308         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1309                 "len");
1310         assert(v_label2_seq_type);
1311
1312         /* create v type */
1313         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1314         assert(v_type);
1315         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1316                 "LABEL1");
1317         assert(!ret);
1318         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1319                 "LABEL2");
1320         assert(!ret);
1321
1322         /* create strct type */
1323         strct_type = bt_ctf_field_type_structure_create();
1324         assert(strct_type);
1325         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1326                 "len");
1327         assert(!ret);
1328         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1329         assert(!ret);
1330         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1331         assert(!ret);
1332         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1333         assert(!ret);
1334         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1335         assert(!ret);
1336         ret = bt_ctf_field_type_structure_add_field(strct_type,
1337                 v_label1_array_type, "a");
1338         assert(!ret);
1339
1340         /* create strct */
1341         strct = bt_ctf_field_create(strct_type);
1342         assert(strct);
1343
1344         /* get len field */
1345         len = bt_ctf_field_structure_get_field(strct, "len");
1346         assert(len);
1347
1348         /* get fp field */
1349         fp = bt_ctf_field_structure_get_field(strct, "fp");
1350         assert(fp);
1351
1352         /* get s field */
1353         s = bt_ctf_field_structure_get_field(strct, "s");
1354         assert(s);
1355
1356         /* get e field */
1357         e = bt_ctf_field_structure_get_field(strct, "e");
1358         assert(e);
1359
1360         /* get e_int (underlying integer) */
1361         e_int = bt_ctf_field_enumeration_get_container(e);
1362         assert(e_int);
1363
1364         /* get v field */
1365         v = bt_ctf_field_structure_get_field(strct, "v");
1366         assert(v);
1367
1368         /* get a field */
1369         a = bt_ctf_field_structure_get_field(strct, "a");
1370         assert(a);
1371
1372         /* set len field */
1373         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1374         assert(!ret);
1375
1376         /* set fp field */
1377         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1378         assert(!ret);
1379
1380         /* set s field */
1381         ret = bt_ctf_field_string_set_value(s, "btbt");
1382         assert(!ret);
1383
1384         /* set e field (LABEL2) */
1385         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1386         assert(!ret);
1387
1388         /* set v field */
1389         v_selected = bt_ctf_field_variant_get_field(v, e);
1390         assert(v_selected);
1391         ok(!bt_ctf_field_variant_get_current_field(NULL),
1392                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1393         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1394         ok(v_selected_cur == v_selected,
1395                 "bt_ctf_field_variant_get_current_field returns the current field");
1396         bt_put(v_selected_cur);
1397
1398         /* set selected v field */
1399         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1400         assert(!ret);
1401         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1402         assert(v_selected_0);
1403         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1404         assert(!ret);
1405         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1406         assert(v_selected_1);
1407         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1408         assert(!ret);
1409         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1410         assert(v_selected_2);
1411         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1412         assert(!ret);
1413         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1414         assert(v_selected_3);
1415         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1416         assert(!ret);
1417         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1418         assert(v_selected_4);
1419         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1420         assert(!ret);
1421         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1422         assert(v_selected_5);
1423         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1424         assert(!ret);
1425         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1426         assert(v_selected_6);
1427         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1428         assert(!ret);
1429
1430         /* set a field */
1431         a_0 = bt_ctf_field_array_get_field(a, 0);
1432         assert(a_0);
1433         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1434         assert(!ret);
1435         a_1 = bt_ctf_field_array_get_field(a, 1);
1436         assert(a_1);
1437         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1438         assert(!ret);
1439         a_2 = bt_ctf_field_array_get_field(a, 2);
1440         assert(a_2);
1441         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1442         assert(!ret);
1443         a_3 = bt_ctf_field_array_get_field(a, 3);
1444         assert(a_3);
1445         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1446         assert(!ret);
1447         a_4 = bt_ctf_field_array_get_field(a, 4);
1448         assert(a_4);
1449         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1450         assert(!ret);
1451
1452         /* create copy of strct */
1453         ok(!bt_ctf_field_copy(NULL),
1454                 "bt_ctf_field_copy handles NULL correctly");
1455         strct_copy = bt_ctf_field_copy(strct);
1456         ok(strct_copy,
1457                 "bt_ctf_field_copy returns a valid pointer");
1458
1459         /* get all copied fields */
1460         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1461         assert(len_copy);
1462         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1463         assert(fp_copy);
1464         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1465         assert(s_copy);
1466         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1467         assert(e_copy);
1468         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1469         assert(e_int_copy);
1470         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1471         assert(v_copy);
1472         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1473         assert(v_selected_copy);
1474         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1475         assert(v_selected_0_copy);
1476         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1477         assert(v_selected_1_copy);
1478         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1479         assert(v_selected_2_copy);
1480         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1481         assert(v_selected_3_copy);
1482         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1483         assert(v_selected_4_copy);
1484         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1485         assert(v_selected_5_copy);
1486         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1487         assert(v_selected_6_copy);
1488         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1489                 "sequence field copy is not too large");
1490         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1491         assert(a_copy);
1492         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1493         assert(a_0_copy);
1494         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1495         assert(a_1_copy);
1496         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1497         assert(a_2_copy);
1498         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1499         assert(a_3_copy);
1500         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1501         assert(a_4_copy);
1502         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1503                 "array field copy is not too large");
1504
1505         /* make sure copied fields are different pointers */
1506         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1507         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1508         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1509         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1510         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1511         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1512         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1513         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1514                 "v_selected");
1515         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1516                 "v_selected_0");
1517         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1518                 "v_selected_1");
1519         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1520                 "v_selected_2");
1521         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1522                 "v_selected_3");
1523         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1524                 "v_selected_4");
1525         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1526                 "v_selected_5");
1527         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1528                 "v_selected_6");
1529         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1530         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1531         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1532         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1533         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1534         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1535
1536         /* make sure copied fields share the same types */
1537         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1538         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1539         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1540         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1541         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1542         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1543         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1544                 "v_selected");
1545         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1546                 "v_selected_0");
1547         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1548                 "v_selected_1");
1549         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1550                 "v_selected_2");
1551         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1552                 "v_selected_3");
1553         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1554                 "v_selected_4");
1555         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1556                 "v_selected_5");
1557         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1558                 "v_selected_6");
1559         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1560         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1561         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1562         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1563         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1564         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1565
1566         /* validate len copy */
1567         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1568         assert(!ret);
1569         ok(uint64_t_val == 7,
1570                 "bt_ctf_field_copy creates a valid integer field copy");
1571
1572         /* validate fp copy */
1573         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1574         assert(!ret);
1575         ok(double_val == 3.14,
1576                 "bt_ctf_field_copy creates a valid floating point number field copy");
1577
1578         /* validate s copy */
1579         str_val = bt_ctf_field_string_get_value(s_copy);
1580         ok(str_val && !strcmp(str_val, "btbt"),
1581                 "bt_ctf_field_copy creates a valid string field copy");
1582
1583         /* validate e_int copy */
1584         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1585                 &uint64_t_val);
1586         assert(!ret);
1587         ok(uint64_t_val == 23,
1588                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1589
1590         /* validate e copy */
1591         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1592         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1593                 &str_val, NULL, NULL);
1594         ok(str_val && !strcmp(str_val, "LABEL2"),
1595                 "bt_ctf_field_copy creates a valid enum field copy");
1596
1597         /* validate v_selected copy */
1598         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1599         assert(v_selected_copy_len);
1600         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1601                 &uint64_t_val);
1602         assert(!ret);
1603         ok(uint64_t_val == 7,
1604                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1605         bt_put(v_selected_copy_len);
1606         v_selected_copy_len = NULL;
1607
1608         /* validate v_selected copy fields */
1609         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1610                 &uint64_t_val);
1611         assert(!ret);
1612         ok(uint64_t_val == 7,
1613                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1614         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1615                 &uint64_t_val);
1616         assert(!ret);
1617         ok(uint64_t_val == 6,
1618                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1619         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1620                 &uint64_t_val);
1621         assert(!ret);
1622         ok(uint64_t_val == 5,
1623                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1624         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1625                 &uint64_t_val);
1626         assert(!ret);
1627         ok(uint64_t_val == 4,
1628                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1629         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1630                 &uint64_t_val);
1631         assert(!ret);
1632         ok(uint64_t_val == 3,
1633                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1634         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1635                 &uint64_t_val);
1636         assert(!ret);
1637         ok(uint64_t_val == 2,
1638                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1639         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1640                 &uint64_t_val);
1641         assert(!ret);
1642         ok(uint64_t_val == 1,
1643                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1644
1645         /* validate a copy fields */
1646         str_val = bt_ctf_field_string_get_value(a_0_copy);
1647         ok(str_val && !strcmp(str_val, "a_0"),
1648                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1649         str_val = bt_ctf_field_string_get_value(a_1_copy);
1650         ok(str_val && !strcmp(str_val, "a_1"),
1651                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1652         str_val = bt_ctf_field_string_get_value(a_2_copy);
1653         ok(str_val && !strcmp(str_val, "a_2"),
1654                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1655         str_val = bt_ctf_field_string_get_value(a_3_copy);
1656         ok(str_val && !strcmp(str_val, "a_3"),
1657                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1658         str_val = bt_ctf_field_string_get_value(a_4_copy);
1659         ok(str_val && !strcmp(str_val, "a_4"),
1660                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1661
1662         /* put everything */
1663         bt_put(len_type);
1664         bt_put(fp_type);
1665         bt_put(s_type);
1666         bt_put(e_int_type);
1667         bt_put(e_type);
1668         bt_put(v_type);
1669         bt_put(v_label1_type);
1670         bt_put(v_label1_array_type);
1671         bt_put(v_label2_type);
1672         bt_put(v_label2_seq_type);
1673         bt_put(strct_type);
1674         bt_put(len);
1675         bt_put(fp);
1676         bt_put(s);
1677         bt_put(e_int);
1678         bt_put(e);
1679         bt_put(v);
1680         bt_put(v_selected);
1681         bt_put(v_selected_0);
1682         bt_put(v_selected_1);
1683         bt_put(v_selected_2);
1684         bt_put(v_selected_3);
1685         bt_put(v_selected_4);
1686         bt_put(v_selected_5);
1687         bt_put(v_selected_6);
1688         bt_put(a);
1689         bt_put(a_0);
1690         bt_put(a_1);
1691         bt_put(a_2);
1692         bt_put(a_3);
1693         bt_put(a_4);
1694         bt_put(strct);
1695         bt_put(len_copy);
1696         bt_put(fp_copy);
1697         bt_put(s_copy);
1698         bt_put(e_int_copy);
1699         bt_put(e_copy);
1700         bt_put(v_copy);
1701         bt_put(v_selected_copy);
1702         bt_put(v_selected_0_copy);
1703         bt_put(v_selected_1_copy);
1704         bt_put(v_selected_2_copy);
1705         bt_put(v_selected_3_copy);
1706         bt_put(v_selected_4_copy);
1707         bt_put(v_selected_5_copy);
1708         bt_put(v_selected_6_copy);
1709         bt_put(a_copy);
1710         bt_put(a_0_copy);
1711         bt_put(a_1_copy);
1712         bt_put(a_2_copy);
1713         bt_put(a_3_copy);
1714         bt_put(a_4_copy);
1715         bt_put(strct_copy);
1716         bt_put(e_iter);
1717 }
1718
1719 static
1720 void type_field_tests()
1721 {
1722         struct bt_ctf_field *uint_12;
1723         struct bt_ctf_field *int_16;
1724         struct bt_ctf_field *string;
1725         struct bt_ctf_field *enumeration;
1726         struct bt_ctf_field_type *composite_structure_type;
1727         struct bt_ctf_field_type *structure_seq_type;
1728         struct bt_ctf_field_type *string_type;
1729         struct bt_ctf_field_type *sequence_type;
1730         struct bt_ctf_field_type *uint_8_type;
1731         struct bt_ctf_field_type *int_16_type;
1732         struct bt_ctf_field_type *uint_12_type =
1733                 bt_ctf_field_type_integer_create(12);
1734         struct bt_ctf_field_type *enumeration_type;
1735         struct bt_ctf_field_type *returned_type;
1736         const char *ret_string;
1737
1738         returned_type = bt_ctf_field_get_type(NULL);
1739         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1740
1741         ok(uint_12_type, "Create an unsigned integer type");
1742         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1743                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1744                 "Set integer type's base as binary");
1745         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1746                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1747                 "Set integer type's base as decimal");
1748         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1749                 BT_CTF_INTEGER_BASE_UNKNOWN),
1750                 "Reject integer type's base set as unknown");
1751         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1752                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1753                 "Set integer type's base as octal");
1754         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1755                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1756                 "Set integer type's base as hexadecimal");
1757         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1758                 "Reject unknown integer base value");
1759         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1760                 "Set integer type signedness to signed");
1761         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1762                 "Set integer type signedness to unsigned");
1763         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1764                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1765         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1766                 "bt_ctf_field_type_integer_get_size returns a correct value");
1767         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1768                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1769         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1770                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1771
1772         ok(bt_ctf_field_type_set_byte_order(NULL,
1773                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1774                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1775         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1776                 (enum bt_ctf_byte_order) 42) < 0,
1777                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1778         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1779                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1780                 "Set an integer's byte order to little endian");
1781         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1782                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1783                 "Set an integer's byte order to big endian");
1784         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1785                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1786                 "bt_ctf_field_type_get_byte_order returns a correct value");
1787         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1788                 BT_CTF_BYTE_ORDER_UNKNOWN,
1789                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1790
1791         ok(bt_ctf_field_type_get_type_id(NULL) ==
1792                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1793                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1794         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1795                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1796                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1797
1798         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1799                 BT_CTF_INTEGER_BASE_UNKNOWN,
1800                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1801         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1802                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1803                 "bt_ctf_field_type_integer_get_base returns a correct value");
1804
1805         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1806                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1807                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1808         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1809                 (enum bt_ctf_string_encoding) 123) < 0,
1810                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1811         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1812                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1813                 "Set integer type encoding to UTF8");
1814         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1815                 BT_CTF_STRING_ENCODING_UNKNOWN,
1816                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1817         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1818                 BT_CTF_STRING_ENCODING_UTF8,
1819                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1820
1821         int_16_type = bt_ctf_field_type_integer_create(16);
1822         assert(int_16_type);
1823         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1824                 "Set signedness of 16 bit integer to true");
1825         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1826                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1827         uint_8_type = bt_ctf_field_type_integer_create(8);
1828         sequence_type =
1829                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1830         ok(sequence_type, "Create a sequence of int16_t type");
1831         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1832                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1833                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1834
1835         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1836                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1837         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1838                 sequence_type);
1839         ok(!strcmp(ret_string, "seq_len"),
1840                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1841         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1842                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1843         returned_type = bt_ctf_field_type_sequence_get_element_type(
1844                 sequence_type);
1845         ok(returned_type == int_16_type,
1846                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1847         bt_put(returned_type);
1848
1849         string_type = bt_ctf_field_type_string_create();
1850         ok(string_type, "Create a string type");
1851         ok(bt_ctf_field_type_string_set_encoding(string_type,
1852                 BT_CTF_STRING_ENCODING_NONE),
1853                 "Reject invalid \"None\" string encoding");
1854         ok(bt_ctf_field_type_string_set_encoding(string_type,
1855                 42),
1856                 "Reject invalid string encoding");
1857         ok(bt_ctf_field_type_string_set_encoding(string_type,
1858                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1859                 "Set string encoding to ASCII");
1860
1861         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1862                 BT_CTF_STRING_ENCODING_UNKNOWN,
1863                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1864         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1865                 BT_CTF_STRING_ENCODING_ASCII,
1866                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1867
1868         structure_seq_type = bt_ctf_field_type_structure_create();
1869         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1870                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1871                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1872         ok(structure_seq_type, "Create a structure type");
1873         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1874                 uint_8_type, "seq_len") == 0,
1875                 "Add a uint8_t type to a structure");
1876         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1877                 sequence_type, "a_sequence") == 0,
1878                 "Add a sequence type to a structure");
1879
1880         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1881                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1882         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1883                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1884
1885         ok(bt_ctf_field_type_structure_get_field(NULL,
1886                 &ret_string, &returned_type, 1) < 0,
1887                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1888         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1889                 NULL, &returned_type, 1) == 0,
1890                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1891         bt_put(returned_type);
1892         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1893                 &ret_string, NULL, 1) == 0,
1894                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1895         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1896                 &ret_string, &returned_type, 10) < 0,
1897                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1898         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1899                 &ret_string, &returned_type, 1) == 0,
1900                 "bt_ctf_field_type_structure_get_field returns a field");
1901         ok(!strcmp(ret_string, "a_sequence"),
1902                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1903         ok(returned_type == sequence_type,
1904                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1905         bt_put(returned_type);
1906
1907         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1908                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1909         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1910                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1911         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1912                 structure_seq_type, "a_sequence");
1913         ok(returned_type == sequence_type,
1914                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1915         bt_put(returned_type);
1916
1917         composite_structure_type = bt_ctf_field_type_structure_create();
1918         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1919                 string_type, "a_string") == 0,
1920                 "Add a string type to a structure");
1921         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1922                 structure_seq_type, "inner_structure") == 0,
1923                 "Add a structure type to a structure");
1924
1925         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1926                 NULL, "a_sequence") == NULL,
1927                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1928         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1929                 structure_seq_type, NULL) == NULL,
1930                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1931         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1932                 structure_seq_type, "a_sequence");
1933         ok(returned_type == sequence_type,
1934                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1935         bt_put(returned_type);
1936
1937         int_16 = bt_ctf_field_create(int_16_type);
1938         ok(int_16, "Instanciate a signed 16-bit integer");
1939         uint_12 = bt_ctf_field_create(uint_12_type);
1940         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1941         returned_type = bt_ctf_field_get_type(int_16);
1942         ok(returned_type == int_16_type,
1943                 "bt_ctf_field_get_type returns the correct type");
1944
1945         /* Can't modify types after instanciating them */
1946         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1947                 BT_CTF_INTEGER_BASE_DECIMAL),
1948                 "Check an integer type' base can't be modified after instanciation");
1949         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1950                 "Check an integer type's signedness can't be modified after instanciation");
1951
1952         /* Check signed property is checked */
1953         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1954                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1955         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1956                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1957
1958         /* Check overflows are properly tested for */
1959         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1960                 "Check -32768 is allowed for a signed 16-bit integer");
1961         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1962                 "Check 32767 is allowed for a signed 16-bit integer");
1963         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1964                 "Check 32768 is not allowed for a signed 16-bit integer");
1965         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1966                 "Check -32769 is not allowed for a signed 16-bit integer");
1967         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1968                 "Check -42 is allowed for a signed 16-bit integer");
1969
1970         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1971                 "Check 4095 is allowed for an unsigned 12-bit integer");
1972         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1973                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1974         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1975                 "Check 0 is allowed for an unsigned 12-bit integer");
1976
1977         string = bt_ctf_field_create(string_type);
1978         ok(string, "Instanciate a string field");
1979         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1980                 "Set a string's value");
1981
1982         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1983         ok(enumeration_type,
1984                 "Create an enumeration type with an unsigned 12-bit integer as container");
1985         enumeration = bt_ctf_field_create(enumeration_type);
1986         ok(!enumeration,
1987                 "Check enumeration types are validated before instantiation");
1988
1989         bt_put(string);
1990         bt_put(uint_12);
1991         bt_put(int_16);
1992         bt_put(enumeration);
1993         bt_put(composite_structure_type);
1994         bt_put(structure_seq_type);
1995         bt_put(string_type);
1996         bt_put(sequence_type);
1997         bt_put(uint_8_type);
1998         bt_put(int_16_type);
1999         bt_put(uint_12_type);
2000         bt_put(enumeration_type);
2001         bt_put(returned_type);
2002 }
2003
2004 static
2005 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
2006                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
2007 {
2008         /*
2009          * Append enough events to force the underlying packet to be resized.
2010          * Also tests that a new event can be declared after a stream has been
2011          * instantiated and used/flushed.
2012          */
2013         int ret = 0;
2014         int i;
2015         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
2016                 "Spammy_Event");
2017         struct bt_ctf_field_type *integer_type =
2018                 bt_ctf_field_type_integer_create(17);
2019         struct bt_ctf_field_type *string_type =
2020                 bt_ctf_field_type_string_create();
2021         struct bt_ctf_event *event = NULL;
2022         struct bt_ctf_field *ret_field = NULL;
2023         struct bt_ctf_field_type *ret_field_type = NULL;
2024         uint64_t ret_uint64;
2025         int events_appended = 0;
2026         struct bt_ctf_field *packet_context = NULL,
2027                 *packet_context_field = NULL, *stream_event_context = NULL;
2028         struct bt_ctf_field_type *ep_field_1_type = NULL;
2029         struct bt_ctf_field_type *ep_a_string_type = NULL;
2030         struct bt_ctf_field_type *ep_type = NULL;
2031
2032         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
2033                 "field_1");
2034         ret |= bt_ctf_event_class_add_field(event_class, string_type,
2035                 "a_string");
2036         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
2037         ok(ret == 0, "Add a new event class to a stream class after writing an event");
2038         if (ret) {
2039                 goto end;
2040         }
2041
2042         /*
2043          * bt_ctf_stream_class_add_event_class() copies the field types
2044          * of event_class, so we retrieve the new ones to create the
2045          * appropriate fields.
2046          */
2047         ep_type = bt_ctf_event_class_get_payload_type(event_class);
2048         assert(ep_type);
2049         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
2050                 ep_type, "field_1");
2051         assert(ep_field_1_type);
2052         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
2053                 ep_type, "a_string");
2054         assert(ep_a_string_type);
2055
2056         event = bt_ctf_event_create(event_class);
2057         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
2058         ret_field_type = bt_ctf_field_get_type(ret_field);
2059         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
2060                 "bt_ctf_event_get_payload_by_index returns a correct field");
2061         bt_put(ret_field_type);
2062         bt_put(ret_field);
2063
2064         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
2065                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
2066         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
2067                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
2068         bt_put(event);
2069
2070         for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
2071                 event = bt_ctf_event_create(event_class);
2072                 struct bt_ctf_field *integer =
2073                         bt_ctf_field_create(ep_field_1_type);
2074                 struct bt_ctf_field *string =
2075                         bt_ctf_field_create(ep_a_string_type);
2076
2077                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
2078                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
2079                 ret |= bt_ctf_event_set_payload(event, "field_1",
2080                         integer);
2081                 bt_put(integer);
2082                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
2083                 ret |= bt_ctf_event_set_payload(event, "a_string",
2084                         string);
2085                 bt_put(string);
2086
2087                 /* Populate stream event context */
2088                 stream_event_context =
2089                         bt_ctf_event_get_stream_event_context(event);
2090                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2091                         "common_event_context");
2092                 BT_PUT(stream_event_context);
2093                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2094                         i % 42);
2095                 bt_put(integer);
2096
2097                 ret |= bt_ctf_stream_append_event(stream, event);
2098                 bt_put(event);
2099
2100                 if (ret) {
2101                         break;
2102                 }
2103         }
2104
2105         events_appended = !!(i == PACKET_RESIZE_TEST_LENGTH);
2106         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2107                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2108         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2109                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2110         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2111         ok(ret == 0 && ret_uint64 == 0,
2112                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2113         bt_ctf_stream_append_discarded_events(stream, 1000);
2114         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2115         ok(ret == 0 && ret_uint64 == 1000,
2116                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2117
2118 end:
2119         ok(events_appended, "Append 100 000 events to a stream");
2120
2121         /*
2122          * Populate the custom packet context field with a dummy value
2123          * otherwise flush will fail.
2124          */
2125         packet_context = bt_ctf_stream_get_packet_context(stream);
2126         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2127                 "custom_packet_context_field");
2128         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2129
2130         ok(bt_ctf_stream_flush(stream) == 0,
2131                 "Flush a stream that forces a packet resize");
2132         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2133         ok(ret == 0 && ret_uint64 == 1000,
2134                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2135         bt_put(integer_type);
2136         bt_put(string_type);
2137         bt_put(packet_context);
2138         bt_put(packet_context_field);
2139         bt_put(stream_event_context);
2140         bt_put(event_class);
2141         bt_put(ep_field_1_type);
2142         bt_put(ep_a_string_type);
2143         bt_put(ep_type);
2144 }
2145
2146 static
2147 void test_empty_stream(struct bt_ctf_writer *writer)
2148 {
2149         int ret = 0;
2150         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2151         struct bt_ctf_stream_class *stream_class = NULL;
2152         struct bt_ctf_stream *stream = NULL;
2153
2154         trace = bt_ctf_writer_get_trace(writer);
2155         if (!trace) {
2156                 diag("Failed to get trace from writer");
2157                 ret = -1;
2158                 goto end;
2159         }
2160
2161         stream_class = bt_ctf_stream_class_create("empty_stream");
2162         if (!stream_class) {
2163                 diag("Failed to create stream class");
2164                 ret = -1;
2165                 goto end;
2166         }
2167
2168         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2169                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2170         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2171                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2172
2173         stream = bt_ctf_writer_create_stream(writer, stream_class);
2174         if (!stream) {
2175                 diag("Failed to create writer stream");
2176                 ret = -1;
2177                 goto end;
2178         }
2179
2180         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2181         ok(ret_trace == trace,
2182                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2183 end:
2184         ok(ret == 0,
2185                 "Created a stream class with default attributes and an empty stream");
2186         bt_put(trace);
2187         bt_put(ret_trace);
2188         bt_put(stream);
2189         bt_put(stream_class);
2190 }
2191
2192 static
2193 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2194                         struct bt_ctf_clock *clock)
2195 {
2196         int i, ret;
2197         struct bt_ctf_stream_class *stream_class = NULL;
2198         struct bt_ctf_stream *stream = NULL;
2199         struct bt_ctf_field_type *integer_type = NULL,
2200                 *sequence_type = NULL, *event_header_type = NULL;
2201         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2202                 *event_header = NULL, *packet_header = NULL;
2203         struct bt_ctf_event_class *event_class = NULL;
2204         struct bt_ctf_event *event = NULL;
2205
2206         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2207         if (!stream_class) {
2208                 fail("Failed to create stream class");
2209                 goto end;
2210         }
2211
2212         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2213         if (ret) {
2214                 fail("Failed to set stream class clock");
2215                 goto end;
2216         }
2217
2218         /*
2219          * Customize event header to add an "seq_len" integer member
2220          * which will be used as the length of a sequence in an event of this
2221          * stream.
2222          */
2223         event_header_type = bt_ctf_stream_class_get_event_header_type(
2224                 stream_class);
2225         if (!event_header_type) {
2226                 fail("Failed to get event header type");
2227                 goto end;
2228         }
2229
2230         integer_type = bt_ctf_field_type_integer_create(13);
2231         if (!integer_type) {
2232                 fail("Failed to create length integer type");
2233                 goto end;
2234         }
2235
2236         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2237                 integer_type, "seq_len");
2238         if (ret) {
2239                 fail("Failed to add a new field to stream event header");
2240                 goto end;
2241         }
2242
2243         event_class = bt_ctf_event_class_create("sequence_event");
2244         if (!event_class) {
2245                 fail("Failed to create event class");
2246                 goto end;
2247         }
2248
2249         /*
2250          * This event's payload will contain a sequence which references
2251          * stream.event.header.seq_len as its length field.
2252          */
2253         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2254                 "stream.event.header.seq_len");
2255         if (!sequence_type) {
2256                 fail("Failed to create a sequence");
2257                 goto end;
2258         }
2259
2260         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2261                 "some_sequence");
2262         if (ret) {
2263                 fail("Failed to add a sequence to an event class");
2264                 goto end;
2265         }
2266
2267         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2268         if (ret) {
2269                 fail("Failed to add event class to stream class");
2270                 goto end;
2271         }
2272
2273         stream = bt_ctf_writer_create_stream(writer, stream_class);
2274         if (!stream) {
2275                 fail("Failed to create stream")
2276                 goto end;
2277         }
2278
2279         /*
2280          * We have defined a custom packet header field. We have to populate it
2281          * explicitly.
2282          */
2283         packet_header = bt_ctf_stream_get_packet_header(stream);
2284         if (!packet_header) {
2285                 fail("Failed to get stream packet header");
2286                 goto end;
2287         }
2288
2289         integer = bt_ctf_field_structure_get_field(packet_header,
2290                 "custom_trace_packet_header_field");
2291         if (!integer) {
2292                 fail("Failed to retrieve custom_trace_packet_header_field");
2293                 goto end;
2294         }
2295
2296         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2297         if (ret) {
2298                 fail("Failed to set custom_trace_packet_header_field value");
2299                 goto end;
2300         }
2301         bt_put(integer);
2302
2303         event = bt_ctf_event_create(event_class);
2304         if (!event) {
2305                 fail("Failed to create event");
2306                 goto end;
2307         }
2308
2309         event_header = bt_ctf_event_get_header(event);
2310         if (!event_header) {
2311                 fail("Failed to get event header");
2312                 goto end;
2313         }
2314
2315         integer = bt_ctf_field_structure_get_field(event_header,
2316                 "seq_len");
2317         if (!integer) {
2318                 fail("Failed to get seq_len field from event header");
2319                 goto end;
2320         }
2321
2322         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2323         if (ret) {
2324                 fail("Failed to set seq_len value in event header");
2325                 goto end;
2326         }
2327
2328         /* Populate both sequence integer fields */
2329         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2330         if (!sequence) {
2331                 fail("Failed to retrieve sequence from event");
2332                 goto end;
2333         }
2334
2335         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2336         if (ret) {
2337                 fail("Failed to set sequence length");
2338                 goto end;
2339         }
2340         bt_put(integer);
2341
2342         for (i = 0; i < 2; i++) {
2343                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2344                 if (ret) {
2345                         fail("Failed to retrieve sequence element");
2346                         goto end;
2347                 }
2348
2349                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2350                 if (ret) {
2351                         fail("Failed to set sequence element value");
2352                         goto end;
2353                 }
2354
2355                 bt_put(integer);
2356                 integer = NULL;
2357         }
2358
2359         ret = bt_ctf_stream_append_event(stream, event);
2360         if (ret) {
2361                 fail("Failed to append event to stream");
2362                 goto end;
2363         }
2364
2365         ret = bt_ctf_stream_flush(stream);
2366         if (ret) {
2367                 fail("Failed to flush custom_event_header stream");
2368         }
2369 end:
2370         bt_put(stream);
2371         bt_put(stream_class);
2372         bt_put(event_class);
2373         bt_put(event);
2374         bt_put(integer);
2375         bt_put(sequence);
2376         bt_put(event_header);
2377         bt_put(packet_header);
2378         bt_put(sequence_type);
2379         bt_put(integer_type);
2380         bt_put(event_header_type);
2381 }
2382
2383 static
2384 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2385                 struct bt_ctf_clock *clock)
2386 {
2387         int ret = 0;
2388         struct bt_ctf_stream_class *stream_class = NULL;
2389         struct bt_ctf_stream *stream = NULL,
2390                 *ret_stream = NULL;
2391         struct bt_ctf_event_class *event_class = NULL;
2392         struct bt_ctf_event *event = NULL;
2393         struct bt_ctf_field_type *integer_type = NULL;
2394         struct bt_ctf_field *integer = NULL;
2395
2396         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2397         if (!stream_class) {
2398                 diag("Failed to create stream class");
2399                 ret = -1;
2400                 goto end;
2401         }
2402
2403         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2404         if (ret) {
2405                 diag("Failed to set stream class clock");
2406                 goto end;
2407         }
2408
2409         event_class = bt_ctf_event_class_create("some_event_class_name");
2410         integer_type = bt_ctf_field_type_integer_create(32);
2411         if (!integer_type) {
2412                 diag("Failed to create integer field type");
2413                 ret = -1;
2414                 goto end;
2415         }
2416
2417         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2418                 "integer_field");
2419         if (ret) {
2420                 diag("Failed to add field to event class");
2421                 goto end;
2422         }
2423
2424         ret = bt_ctf_stream_class_add_event_class(stream_class,
2425                 event_class);
2426         if (ret) {
2427                 diag("Failed to add event class to stream class");
2428         }
2429
2430         event = bt_ctf_event_create(event_class);
2431         if (!event) {
2432                 diag("Failed to create event");
2433                 ret = -1;
2434                 goto end;
2435         }
2436
2437         integer = bt_ctf_event_get_payload_by_index(event, 0);
2438         if (!integer) {
2439                 diag("Failed to get integer field payload from event");
2440                 ret = -1;
2441                 goto end;
2442         }
2443
2444         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2445         if (ret) {
2446                 diag("Failed to set integer field value");
2447                 goto end;
2448         }
2449
2450         stream = bt_ctf_writer_create_stream(writer, stream_class);
2451         if (!stream) {
2452                 diag("Failed to create writer stream");
2453                 ret = -1;
2454                 goto end;
2455         }
2456
2457         ok(bt_ctf_event_get_stream(NULL) == NULL,
2458                 "bt_ctf_event_get_stream handles NULL correctly");
2459         ok(bt_ctf_event_get_stream(event) == NULL,
2460                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2461
2462         ret = bt_ctf_stream_append_event(stream, event);
2463         if (ret) {
2464                 diag("Failed to append event to stream");
2465                 goto end;
2466         }
2467
2468         ret_stream = bt_ctf_event_get_stream(event);
2469         ok(ret_stream == stream,
2470                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2471 end:
2472         ok(ret == 0,
2473                 "Create an event before instanciating its associated stream");
2474         bt_put(stream);
2475         bt_put(ret_stream);
2476         bt_put(stream_class);
2477         bt_put(event_class);
2478         bt_put(event);
2479         bt_put(integer_type);
2480         bt_put(integer);
2481 }
2482
2483 static
2484 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2485 {
2486         struct bt_ctf_event_class *event_class;
2487
2488         event_class = bt_ctf_event_class_create("Simple Event");
2489         assert(event_class);
2490         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2491                 "two event classes with the same name may cohabit within the same stream class");
2492         bt_put(event_class);
2493
2494         event_class = bt_ctf_event_class_create("different name, ok");
2495         assert(event_class);
2496         assert(!bt_ctf_event_class_set_id(event_class, 11));
2497         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2498                 "two event classes with the same ID cannot cohabit within the same stream class");
2499         bt_put(event_class);
2500 }
2501
2502 static
2503 struct bt_ctf_event_class *create_minimal_event_class(void)
2504 {
2505         struct bt_ctf_event_class *ec = NULL;
2506         struct bt_ctf_field_type *int_ft = NULL;
2507         int ret;
2508
2509         int_ft = bt_ctf_field_type_integer_create(23);
2510         assert(int_ft);
2511         ec = bt_ctf_event_class_create("minimal");
2512         assert(ec);
2513         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2514         assert(!ret);
2515         BT_PUT(int_ft);
2516
2517         return ec;
2518 }
2519
2520 static
2521 void test_create_writer_vs_non_writer_mode(void)
2522 {
2523         int ret;
2524         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2525         const char *writer_stream_name = "writer stream instance";
2526         struct bt_ctf_writer *writer = NULL;
2527         struct bt_ctf_trace *writer_trace = NULL;
2528         struct bt_ctf_stream_class *writer_sc = NULL;
2529         struct bt_ctf_stream *writer_stream = NULL;
2530         struct bt_ctf_stream *writer_stream2 = NULL;
2531         struct bt_ctf_stream *packet_stream = NULL;
2532         struct bt_ctf_trace *non_writer_trace = NULL;
2533         struct bt_ctf_stream_class *non_writer_sc = NULL;
2534         struct bt_ctf_stream *non_writer_stream = NULL;
2535         struct bt_ctf_stream *non_writer_stream2 = NULL;
2536         struct bt_ctf_event_class *writer_ec = NULL;
2537         struct bt_ctf_event_class *non_writer_ec = NULL;
2538         struct bt_ctf_event *event = NULL;
2539         struct bt_ctf_event *event2 = NULL;
2540         struct bt_ctf_field_type *empty_struct_ft = NULL;
2541         struct bt_ctf_field *int_field = NULL;
2542         struct bt_ctf_clock *writer_clock = NULL;
2543         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2544         struct bt_ctf_packet *packet = NULL;
2545         struct bt_ctf_packet *packet2 = NULL;
2546
2547         if (!bt_mkdtemp(trace_path)) {
2548                 perror("# perror");
2549         }
2550
2551         /* Create empty structure field type (event header) */
2552         empty_struct_ft = bt_ctf_field_type_structure_create();
2553         assert(empty_struct_ft);
2554
2555         /* Create writer, writer stream class, stream, and clock */
2556         writer = bt_ctf_writer_create(trace_path);
2557         assert(writer);
2558         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2559         assert(!ret);
2560         writer_trace = bt_ctf_writer_get_trace(writer);
2561         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2562         writer_sc = bt_ctf_stream_class_create("writer_sc");
2563         assert(writer_sc);
2564         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2565                 empty_struct_ft);
2566         assert(!ret);
2567         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2568         assert(!ret);
2569         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2570         assert(writer_stream);
2571         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2572                 "bt_ctf_stream_get_name() returns the stream's name");
2573         writer_clock = bt_ctf_clock_create("writer_clock");
2574         assert(writer_clock);
2575         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2576         assert(!ret);
2577
2578         /* Create non-writer trace, stream class, stream, and clock */
2579         non_writer_trace = bt_ctf_trace_create();
2580         assert(non_writer_trace);
2581         ret = bt_ctf_trace_set_native_byte_order(non_writer_trace,
2582                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2583         assert(!ret);
2584         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2585         assert(non_writer_sc);
2586         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2587                 empty_struct_ft);
2588         assert(!ret);
2589         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2590         assert(!ret);
2591         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2592         assert(non_writer_stream);
2593         non_writer_clock_class =
2594                 bt_ctf_clock_class_create("non_writer_clock_class");
2595         assert(non_writer_clock_class);
2596         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2597                 non_writer_clock_class);
2598         assert(!ret);
2599
2600         /* Create event class and event */
2601         writer_ec = create_minimal_event_class();
2602         assert(writer_ec);
2603         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2604         assert(!ret);
2605         event = bt_ctf_event_create(writer_ec);
2606         assert(event);
2607         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2608         assert(int_field);
2609         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2610
2611         /*
2612          * Verify non-writer stream: it should be impossible to append
2613          * an event to it.
2614          */
2615         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2616                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2617
2618         /*
2619          * Verify writer stream: it should be possible to append an
2620          * event to it.
2621          */
2622         ok(!bt_ctf_stream_append_event(writer_stream, event),
2623                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2624
2625         /*
2626          * It should be possible to create a packet from a non-writer
2627          * stream, but not from a writer stream.
2628          */
2629         packet = bt_ctf_packet_create(writer_stream);
2630         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2631         packet = bt_ctf_packet_create(non_writer_stream);
2632         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2633         packet_stream = bt_ctf_packet_get_stream(packet);
2634         ok(packet_stream == non_writer_stream,
2635                 "bt_ctf_packet_get_stream() returns the correct stream");
2636
2637         /*
2638          * It should not be possible to append an event associated to
2639          * a stream to a different stream.
2640          */
2641         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2642         assert(writer_stream2);
2643         ok(bt_ctf_stream_append_event(writer_stream2, event),
2644                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2645
2646         /*
2647          * It should not be possible to set the packet of an event
2648          * associated to a given stream to a packet associated with
2649          * a different stream.
2650          */
2651         ok(bt_ctf_event_set_packet(event, packet),
2652                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2653
2654         /*
2655          * It should be possible to set the packet of a fresh event, as
2656          * long as the originating stream classes are the same.
2657          */
2658         event2 = bt_ctf_event_create(writer_ec);
2659         assert(event2);
2660         ok(bt_ctf_event_set_packet(event2, packet),
2661                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2662         non_writer_ec = create_minimal_event_class();
2663         assert(non_writer_ec);
2664         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2665         assert(!ret);
2666         BT_PUT(event2);
2667         event2 = bt_ctf_event_create(non_writer_ec);
2668         assert(event2);
2669         ok(!bt_ctf_event_set_packet(event2, packet),
2670                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2671
2672         /*
2673          * It should be possible to set a packet created from the same
2674          * stream to an event with an existing packet.
2675          */
2676         packet2 = bt_ctf_packet_create(non_writer_stream);
2677         assert(packet2);
2678         ok(!bt_ctf_event_set_packet(event2, packet2),
2679                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2680         BT_PUT(packet2);
2681
2682         /*
2683          * It should not be possible to set a packet created from a
2684          * different stream to an event with an existing packet.
2685          */
2686         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2687         assert(non_writer_stream2);
2688         packet2 = bt_ctf_packet_create(non_writer_stream);
2689         assert(packet2);
2690         ok(!bt_ctf_event_set_packet(event2, packet2),
2691                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2692
2693         bt_put(writer);
2694         bt_put(writer_trace);
2695         bt_put(writer_sc);
2696         bt_put(writer_stream);
2697         bt_put(writer_stream2);
2698         bt_put(non_writer_trace);
2699         bt_put(non_writer_sc);
2700         bt_put(non_writer_stream);
2701         bt_put(non_writer_stream2);
2702         bt_put(packet_stream);
2703         bt_put(writer_ec);
2704         bt_put(non_writer_ec);
2705         bt_put(event);
2706         bt_put(event2);
2707         bt_put(int_field);
2708         bt_put(empty_struct_ft);
2709         bt_put(writer_clock);
2710         bt_put(non_writer_clock_class);
2711         bt_put(packet);
2712         bt_put(packet2);
2713         recursive_rmdir(trace_path);
2714 }
2715
2716 static
2717 void test_clock_utils(void)
2718 {
2719         int ret;
2720         struct bt_ctf_clock *clock = NULL;
2721
2722         clock = bt_ctf_clock_create("water");
2723         assert(clock);
2724         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2725         assert(!ret);
2726         ret = bt_ctf_clock_set_offset(clock, 1000);
2727         assert(!ret);
2728         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2729         assert(!ret);
2730         ret = bt_ctf_clock_set_frequency(clock, 1534);
2731         assert(!ret);
2732
2733         BT_PUT(clock);
2734 }
2735
2736 void test_set_clock_non_writer_stream_class(void)
2737 {
2738         struct bt_ctf_clock *clock;
2739         struct bt_ctf_trace *trace;
2740         struct bt_ctf_stream_class *sc;
2741         int ret;
2742
2743         clock = bt_ctf_clock_create("the_clock");
2744         assert(clock);
2745
2746         trace = bt_ctf_trace_create();
2747         assert(trace);
2748
2749         sc = bt_ctf_stream_class_create(NULL);
2750         assert(sc);
2751
2752         ret = bt_ctf_stream_class_set_clock(sc, clock);
2753         assert(ret == 0);
2754
2755         ret = bt_ctf_trace_add_stream_class(trace, sc);
2756         ok(ret < 0,
2757                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2758
2759         bt_put(clock);
2760         bt_put(trace);
2761         bt_put(sc);
2762 }
2763
2764 static
2765 void test_static_trace(void)
2766 {
2767         struct bt_ctf_trace *trace;
2768         struct bt_ctf_stream_class *stream_class;
2769         struct bt_ctf_stream_class *stream_class2;
2770         struct bt_ctf_stream *stream;
2771         struct bt_ctf_clock_class *clock_class;
2772         int ret;
2773
2774         trace = bt_ctf_trace_create();
2775         assert(trace);
2776         ret = bt_ctf_trace_set_native_byte_order(trace,
2777                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2778         assert(ret == 0);
2779         stream_class = bt_ctf_stream_class_create(NULL);
2780         assert(stream_class);
2781         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2782         assert(ret == 0);
2783         stream = bt_ctf_stream_create(stream_class, "hello");
2784         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2785         bt_put(stream);
2786         ok(!bt_ctf_trace_is_static(trace),
2787                 "bt_ctf_trace_is_static() returns the expected value");
2788         ok(bt_ctf_trace_set_is_static(trace) == 0,
2789                 "bt_ctf_trace_set_is_static() succeeds");
2790         ok(bt_ctf_trace_is_static(trace),
2791                 "bt_ctf_trace_is_static() returns the expected value");
2792         clock_class = bt_ctf_clock_class_create("yes");
2793         assert(clock_class);
2794         stream_class2 = bt_ctf_stream_class_create(NULL);
2795         assert(stream_class2);
2796         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2797                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2798         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2799                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2800         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2801                 "bt_ctf_stream_create() fails with a static trace");
2802
2803         bt_put(trace);
2804         bt_put(stream_class);
2805         bt_put(stream_class2);
2806         bt_put(clock_class);
2807 }
2808
2809 static
2810 void test_trace_uuid(void)
2811 {
2812         struct bt_ctf_trace *trace;
2813         const unsigned char uuid[] = {
2814                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2815                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2816         };
2817         const unsigned char *ret_uuid;
2818
2819         trace = bt_ctf_trace_create();
2820         assert(trace);
2821         ok(!bt_ctf_trace_get_uuid(NULL),
2822                 "bt_ctf_trace_get_uuid() handles NULL");
2823         ok(!bt_ctf_trace_get_uuid(trace),
2824                 "bt_ctf_trace_get_uuid() returns NULL initially");
2825         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2826                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2827         ok(bt_ctf_trace_set_uuid(trace, NULL),
2828                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2829         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2830                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2831         ret_uuid = bt_ctf_trace_get_uuid(trace);
2832         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2833         ok(memcmp(uuid, ret_uuid, 16) == 0,
2834                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2835
2836         bt_put(trace);
2837 }
2838
2839 int main(int argc, char **argv)
2840 {
2841         char trace_path[] = "/tmp/ctfwriter_XXXXXX";
2842         char metadata_path[sizeof(trace_path) + 9];
2843         const char *clock_name = "test_clock";
2844         const char *clock_description = "This is a test clock";
2845         const char *returned_clock_name;
2846         const char *returned_clock_description;
2847         const uint64_t frequency = 1123456789;
2848         const int64_t offset_s = 1351530929945824323;
2849         const int64_t offset = 1234567;
2850         int64_t get_offset_s,
2851                 get_offset;
2852         const uint64_t precision = 10;
2853         const int is_absolute = 0xFF;
2854         char *metadata_string;
2855         struct bt_ctf_writer *writer;
2856         struct utsname name;
2857         char hostname[BABELTRACE_HOST_NAME_MAX];
2858         struct bt_ctf_clock *clock, *ret_clock;
2859         struct bt_ctf_clock_class *ret_clock_class;
2860         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2861         struct bt_ctf_stream *stream1;
2862         struct bt_ctf_stream *stream;
2863         const char *ret_string;
2864         const unsigned char *ret_uuid;
2865         unsigned char tmp_uuid[16] = { 0 };
2866         struct bt_ctf_field_type *packet_context_type,
2867                 *packet_context_field_type,
2868                 *packet_header_type,
2869                 *packet_header_field_type,
2870                 *integer_type,
2871                 *stream_event_context_type,
2872                 *ret_field_type,
2873                 *event_header_field_type;
2874         struct bt_ctf_field *packet_header, *packet_header_field;
2875         struct bt_ctf_trace *trace;
2876         int ret;
2877         int64_t ret_int64_t;
2878         struct bt_value *obj;
2879
2880         if (argc < 2) {
2881                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2882                 return -1;
2883         }
2884
2885         plan_tests(NR_TESTS);
2886
2887         if (!bt_mkdtemp(trace_path)) {
2888                 perror("# perror");
2889         }
2890
2891         strcpy(metadata_path, trace_path);
2892         strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
2893
2894         writer = bt_ctf_writer_create(trace_path);
2895         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2896
2897         ok(!bt_ctf_writer_get_trace(NULL),
2898                 "bt_ctf_writer_get_trace correctly handles NULL");
2899         trace = bt_ctf_writer_get_trace(writer);
2900         ok(trace,
2901                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2902         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2903                 "Set a trace's byte order to big endian");
2904         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2905                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2906
2907         /* Add environment context to the trace */
2908         ret = gethostname(hostname, sizeof(hostname));
2909         if (ret < 0) {
2910                 return ret;
2911         }
2912         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2913                 "Add host (%s) environment field to writer instance",
2914                 hostname);
2915         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2916                 "test_value"),
2917                 "bt_ctf_writer_add_environment_field error with NULL writer");
2918         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2919                 "test_value"),
2920                 "bt_ctf_writer_add_environment_field error with NULL field name");
2921         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2922                 NULL),
2923                 "bt_ctf_writer_add_environment_field error with NULL field value");
2924
2925         /* Test bt_ctf_trace_set_environment_field with an integer object */
2926         obj = bt_value_integer_create_init(23);
2927         assert(obj);
2928         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2929                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2930         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2931                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2932         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2933                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2934         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2935                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2936         BT_PUT(obj);
2937
2938         /* Test bt_ctf_trace_set_environment_field with a string object */
2939         obj = bt_value_string_create_init("the value");
2940         assert(obj);
2941         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2942                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2943         BT_PUT(obj);
2944
2945         /* Test bt_ctf_trace_set_environment_field_integer */
2946         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2947                 -194875),
2948                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2949         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2950                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2951         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2952                 -164973),
2953                 "bt_ctf_trace_set_environment_field_integer succeeds");
2954
2955         /* Test bt_ctf_trace_set_environment_field_string */
2956         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2957                 "yeah"),
2958                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2959         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2960                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2961         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2962                 NULL),
2963                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2964         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2965                 "oh yeah"),
2966                 "bt_ctf_trace_set_environment_field_string succeeds");
2967
2968         /* Test bt_ctf_trace_get_environment_field_count */
2969         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2970                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2971         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2972                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2973
2974         /* Test bt_ctf_trace_get_environment_field_name */
2975         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2976                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2977         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, -1) == NULL,
2978                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (negative)");
2979         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2980                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2981         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2982         ok(ret_string && !strcmp(ret_string, "host"),
2983                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2984         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2985         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2986                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2987         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2988         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2989                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2990         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
2991         ok(ret_string && !strcmp(ret_string, "test_env_int"),
2992                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2993         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
2994         ok(ret_string && !strcmp(ret_string, "test_env_str"),
2995                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2996
2997         /* Test bt_ctf_trace_get_environment_field_value */
2998         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
2999                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3000         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, -1) == NULL,
3001                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (negative)");
3002         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3003                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3004         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3005         ret = bt_value_integer_get(obj, &ret_int64_t);
3006         ok(!ret && ret_int64_t == 23,
3007                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3008         BT_PUT(obj);
3009         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3010         ret = bt_value_string_get(obj, &ret_string);
3011         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3012                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3013         BT_PUT(obj);
3014
3015         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3016         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3017                 "test_env_str"),
3018                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3019         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3020                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3021         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3022                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3023         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3024                 "test_env_str");
3025         ret = bt_value_string_get(obj, &ret_string);
3026         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3027                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3028         BT_PUT(obj);
3029
3030         /* Test environment field replacement */
3031         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3032                 654321),
3033                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3034         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3035                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3036         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3037         ret = bt_value_integer_get(obj, &ret_int64_t);
3038         ok(!ret && ret_int64_t == 654321,
3039                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3040         BT_PUT(obj);
3041
3042         /* On Solaris, uname() can return any positive value on success */
3043         if (uname(&name) < 0) {
3044                 perror("uname");
3045                 return -1;
3046         }
3047
3048         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3049                 == 0, "Add sysname (%s) environment field to writer instance",
3050                 name.sysname);
3051         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3052                 name.nodename) == 0,
3053                 "Add nodename (%s) environment field to writer instance",
3054                 name.nodename);
3055         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3056                 == 0, "Add release (%s) environment field to writer instance",
3057                 name.release);
3058         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3059                 == 0, "Add version (%s) environment field to writer instance",
3060                 name.version);
3061         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3062                 == 0, "Add machine (%s) environment field to writer istance",
3063                 name.machine);
3064
3065         /* Define a clock and add it to the trace */
3066         ok(bt_ctf_clock_create("signed") == NULL,
3067                 "Illegal clock name rejected");
3068         clock = bt_ctf_clock_create(clock_name);
3069         ok(clock, "Clock created sucessfully");
3070         returned_clock_name = bt_ctf_clock_get_name(clock);
3071         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3072         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3073                 "Returned clock name is valid");
3074
3075         returned_clock_description = bt_ctf_clock_get_description(clock);
3076         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3077         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3078                 "Clock description set successfully");
3079
3080         returned_clock_description = bt_ctf_clock_get_description(clock);
3081         ok(returned_clock_description,
3082                 "bt_ctf_clock_get_description returns a description.");
3083         ok(returned_clock_description ?
3084                 !strcmp(returned_clock_description, clock_description) : 0,
3085                 "Returned clock description is valid");
3086
3087         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3088                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3089         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3090                 "Set clock frequency");
3091         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3092                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3093
3094         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3095                 "bt_ctf_clock_get_offset_s succeeds");
3096         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3097                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3098         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3099                 "Set clock offset (seconds)");
3100         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3101                 "bt_ctf_clock_get_offset_s succeeds");
3102         ok(get_offset_s == offset_s,
3103                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3104
3105         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3106                 "bt_ctf_clock_get_offset succeeds");
3107         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3108                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3109         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3110         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3111                 "bt_ctf_clock_get_offset succeeds");
3112         ok(get_offset == offset,
3113                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3114
3115         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3116                 "bt_ctf_clock_get_precision returns the correct default precision");
3117         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3118                 "Set clock precision");
3119         ok(bt_ctf_clock_get_precision(clock) == precision,
3120                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3121
3122         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3123                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3124         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3125                 "Set clock absolute property");
3126         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3127                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3128
3129         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3130                 "Set clock time");
3131
3132         ok(!bt_ctf_clock_get_name(NULL),
3133                 "bt_ctf_clock_get_name correctly handles NULL");
3134         ok(!bt_ctf_clock_get_description(NULL),
3135                 "bt_ctf_clock_get_description correctly handles NULL");
3136         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3137                 "bt_ctf_clock_get_frequency correctly handles NULL");
3138         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3139                 "bt_ctf_clock_get_precision correctly handles NULL");
3140         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3141                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3142         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3143                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3144         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3145                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3146         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3147                 "bt_ctf_clock_get_offset correctly handles NULL output");
3148         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3149                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3150
3151         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3152                 "bt_ctf_clock_set_description correctly handles NULL clock");
3153         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3154                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3155         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3156                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3157         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3158                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3159         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3160                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3161         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3162                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3163         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3164                 "bt_ctf_clock_set_time correctly handles NULL clock");
3165         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3166                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3167         ret_uuid = bt_ctf_clock_get_uuid(clock);
3168         ok(ret_uuid,
3169                 "bt_ctf_clock_get_uuid returns a UUID");
3170         if (ret_uuid) {
3171                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3172                 /* Slightly modify UUID */
3173                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3174         }
3175
3176         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3177                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3178         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3179                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3180         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3181                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3182         ret_uuid = bt_ctf_clock_get_uuid(clock);
3183         ok(ret_uuid,
3184                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3185         ok(uuid_match(ret_uuid, tmp_uuid),
3186                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3187
3188         /* Define a stream class */
3189         stream_class = bt_ctf_stream_class_create("test_stream");
3190
3191         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3192                 "bt_ctf_stream_class_get_name handles NULL correctly");
3193         ret_string = bt_ctf_stream_class_get_name(stream_class);
3194         ok(ret_string && !strcmp(ret_string, "test_stream"),
3195                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3196
3197         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3198                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3199         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3200                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3201
3202         ok(stream_class, "Create stream class");
3203         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3204                 "Set a stream class' clock");
3205         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3206         ok(ret_clock == clock,
3207                 "bt_ctf_stream_class_get_clock returns a correct clock");
3208         bt_put(ret_clock);
3209
3210         /* Test the event fields and event types APIs */
3211         type_field_tests();
3212
3213         /* Test fields copying */
3214         field_copy_tests();
3215
3216         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3217                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3218         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3219                 "bt_ctf_stream_class_get_id handles NULL correctly");
3220         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3221                 "bt_ctf_stream_class_set_id handles NULL correctly");
3222         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3223                 "Set an stream class' id");
3224         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3225                 "bt_ctf_stream_class_get_id returns the correct value");
3226
3227         /* Validate default event header fields */
3228         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3229                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3230         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3231                 stream_class);
3232         ok(ret_field_type,
3233                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3234         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3235                 "Default event header type is a structure");
3236         event_header_field_type =
3237                 bt_ctf_field_type_structure_get_field_type_by_name(
3238                 ret_field_type, "id");
3239         ok(event_header_field_type,
3240                 "Default event header type contains an \"id\" field");
3241         ok(bt_ctf_field_type_get_type_id(
3242                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3243                 "Default event header \"id\" field is an integer");
3244         bt_put(event_header_field_type);
3245         event_header_field_type =
3246                 bt_ctf_field_type_structure_get_field_type_by_name(
3247                 ret_field_type, "timestamp");
3248         ok(event_header_field_type,
3249                 "Default event header type contains a \"timestamp\" field");
3250         ok(bt_ctf_field_type_get_type_id(
3251                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3252                 "Default event header \"timestamp\" field is an integer");
3253         bt_put(event_header_field_type);
3254         bt_put(ret_field_type);
3255
3256         /* Add a custom trace packet header field */
3257         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3258                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3259         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3260         ok(packet_header_type,
3261                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3262         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3263                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3264         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3265                 packet_header_type, "magic");
3266         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3267         bt_put(ret_field_type);
3268         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3269                 packet_header_type, "uuid");
3270         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3271         bt_put(ret_field_type);
3272         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3273                 packet_header_type, "stream_id");
3274         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3275         bt_put(ret_field_type);
3276
3277         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3278         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3279                 packet_header_field_type, "custom_trace_packet_header_field"),
3280                 "Added a custom trace packet header field successfully");
3281
3282         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3283                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3284         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3285                 "Set a trace packet_header_type successfully");
3286
3287         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3288                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3289
3290         /* Add a custom field to the stream class' packet context */
3291         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3292         ok(packet_context_type,
3293                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3294         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3295                 "Packet context is a structure");
3296
3297         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3298                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3299
3300         integer_type = bt_ctf_field_type_integer_create(32);
3301         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3302                 integer_type) < 0,
3303                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3304         /* Create a "uint5_t" equivalent custom packet context field */
3305         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3306
3307         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3308                 packet_context_field_type, "custom_packet_context_field");
3309         ok(ret == 0, "Packet context field added successfully");
3310
3311         /* Define a stream event context containing a my_integer field. */
3312         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3313                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3314         stream_event_context_type = bt_ctf_field_type_structure_create();
3315         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3316                 integer_type, "common_event_context");
3317
3318         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3319                 stream_event_context_type) < 0,
3320                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3321         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3322                 integer_type) < 0,
3323                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3324
3325         ok(bt_ctf_stream_class_set_event_context_type(
3326                 stream_class, stream_event_context_type) == 0,
3327                 "Set a new stream event context type");
3328         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3329                 stream_class);
3330         ok(ret_field_type == stream_event_context_type,
3331                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3332         bt_put(ret_field_type);
3333
3334         /* Instantiate a stream and append events */
3335         ret = bt_ctf_writer_add_clock(writer, clock);
3336         assert(ret == 0);
3337         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3338                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3339         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3340         ok(stream1, "Instanciate a stream class from writer");
3341         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3342                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3343         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3344         ok(stream == stream1,
3345                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3346         BT_PUT(stream);
3347
3348         /*
3349          * Creating a stream through a writer adds the given stream
3350          * class to the writer's trace, thus registering the stream
3351          * class's clock to the trace.
3352          */
3353         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3354                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3355         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3356                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3357         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3358                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3359         ok(!bt_ctf_trace_get_clock_class_by_index(trace, -1),
3360                 "bt_ctf_trace_get_clock_class correctly handles negative indexes");
3361         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3362                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3363         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3364         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3365                 bt_ctf_clock_get_name(clock)) == 0,
3366                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3367         bt_put(ret_clock_class);
3368         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3369                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3370         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3371                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3372         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3373                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3374         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3375         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3376                 bt_ctf_clock_get_name(clock)) == 0,
3377                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3378         bt_put(ret_clock_class);
3379         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3380                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3381
3382         ok(bt_ctf_stream_get_class(NULL) == NULL,
3383                 "bt_ctf_stream_get_class correctly handles NULL");
3384         ret_stream_class = bt_ctf_stream_get_class(stream1);
3385         ok(ret_stream_class,
3386                 "bt_ctf_stream_get_class returns a stream class");
3387         ok(ret_stream_class == stream_class,
3388                 "Returned stream class is of the correct type");
3389
3390         /*
3391          * Packet header, packet context, event header, and stream
3392          * event context types were copied for the resolving
3393          * process
3394          */
3395         BT_PUT(packet_header_type);
3396         BT_PUT(packet_context_type);
3397         BT_PUT(stream_event_context_type);
3398         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3399         assert(packet_header_type);
3400         packet_context_type =
3401                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3402         assert(packet_context_type);
3403         stream_event_context_type =
3404                 bt_ctf_stream_class_get_event_context_type(stream_class);
3405         assert(stream_event_context_type);
3406
3407         /*
3408          * Try to modify the packet context type after a stream has been
3409          * created.
3410          */
3411         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3412                 packet_header_field_type, "should_fail");
3413         ok(ret < 0,
3414                 "Trace packet header type can't be modified once a stream has been instanciated");
3415
3416         /*
3417          * Try to modify the packet context type after a stream has been
3418          * created.
3419          */
3420         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3421                 packet_context_field_type, "should_fail");
3422         ok(ret < 0,
3423                 "Packet context type can't be modified once a stream has been instanciated");
3424
3425         /*
3426          * Try to modify the stream event context type after a stream has been
3427          * created.
3428          */
3429         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3430                 integer_type, "should_fail");
3431         ok(ret < 0,
3432                 "Stream event context type can't be modified once a stream has been instanciated");
3433
3434         /* Should fail after instanciating a stream (frozen) */
3435         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3436                 "Changes to a stream class that was already instantiated fail");
3437
3438         /* Populate the custom packet header field only once for all tests */
3439         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3440                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3441         packet_header = bt_ctf_stream_get_packet_header(stream1);
3442         ok(packet_header,
3443                 "bt_ctf_stream_get_packet_header returns a packet header");
3444         ret_field_type = bt_ctf_field_get_type(packet_header);
3445         ok(ret_field_type == packet_header_type,
3446                 "Stream returns a packet header of the appropriate type");
3447         bt_put(ret_field_type);
3448         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3449                 "custom_trace_packet_header_field");
3450         ok(packet_header_field,
3451                 "Packet header structure contains a custom field with the appropriate name");
3452         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3453         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3454                 "Custom packet header field is of the expected type");
3455         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3456                 54321), "Set custom packet header value successfully");
3457         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3458                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3459         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3460                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3461         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3462                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3463         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3464                 "Successfully set a stream's packet header");
3465
3466         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3467                 "Add environment field to writer after stream creation");
3468
3469         test_clock_utils();
3470
3471         test_create_writer_vs_non_writer_mode();
3472
3473         test_set_clock_non_writer_stream_class();
3474
3475         test_instanciate_event_before_stream(writer, clock);
3476
3477         append_simple_event(stream_class, stream1, clock);
3478
3479         packet_resize_test(stream_class, stream1, clock);
3480
3481         append_complex_event(stream_class, stream1, clock);
3482
3483         append_existing_event_class(stream_class);
3484
3485         test_empty_stream(writer);
3486
3487         test_custom_event_header_stream(writer, clock);
3488
3489         test_static_trace();
3490
3491         test_trace_uuid();
3492
3493         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3494         ok(metadata_string, "Get metadata string");
3495
3496         bt_ctf_writer_flush_metadata(writer);
3497
3498         bt_put(clock);
3499         bt_put(ret_stream_class);
3500         bt_put(writer);
3501         bt_put(stream1);
3502         bt_put(packet_context_type);
3503         bt_put(packet_context_field_type);
3504         bt_put(integer_type);
3505         bt_put(stream_event_context_type);
3506         bt_put(ret_field_type);
3507         bt_put(packet_header_type);
3508         bt_put(packet_header_field_type);
3509         bt_put(packet_header);
3510         bt_put(packet_header_field);
3511         bt_put(trace);
3512         free(metadata_string);
3513         bt_put(stream_class);
3514
3515         validate_trace(argv[1], trace_path);
3516
3517         //recursive_rmdir(trace_path);
3518         return 0;
3519 }