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