tests/lib/test_ctf_writer.c

   1 /*
   2  * test_ctf_writer.c
   3  *
   4  * CTF Writer test
   5  *
   6  * Copyright 2013 - 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; under version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <babeltrace/ctf-writer/writer.h>
  23 #include <babeltrace/ctf-writer/clock.h>
  24 #include <babeltrace/ctf-writer/stream.h>
  25 #include <babeltrace/ctf-writer/event.h>
  26 #include <babeltrace/ctf-writer/event-types.h>
  27 #include <babeltrace/ctf-writer/event-fields.h>
  28 #include <babeltrace/ctf-writer/stream-class.h>
  29 #include <babeltrace/ctf-ir/packet.h>
  30 #include <babeltrace/ctf-ir/clock-class.h>
  31 #include <babeltrace/ctf-ir/trace.h>
  32 #include <babeltrace/ref.h>
  33 #include <babeltrace/ctf/events.h>
  34 #include <babeltrace/values.h>
  35 #include <glib.h>
  36 #include <unistd.h>
  37 #include <babeltrace/compat/stdlib-internal.h>
  38 #include <stdio.h>
  39 #include <babeltrace/compat/limits-internal.h>
  40 #include <babeltrace/compat/stdio-internal.h>
  41 #include <string.h>
  42 #include <assert.h>
  43 #include <sys/wait.h>
  44 #include <fcntl.h>
  45 #include "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_DEF_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 623
  64
  65 struct bt_utsname {
  66         char sysname[BABELTRACE_HOST_NAME_MAX];
  67         char nodename[BABELTRACE_HOST_NAME_MAX];
  68         char release[BABELTRACE_HOST_NAME_MAX];
  69         char version[BABELTRACE_HOST_NAME_MAX];
  70         char machine[BABELTRACE_HOST_NAME_MAX];
  71 };
  72
  73 static int64_t current_time = 42;
  74 static unsigned int packet_resize_test_length = PACKET_RESIZE_TEST_DEF_LENGTH;
  75
  76 /* Return 1 if uuids match, zero if different. */
  77 static
  78 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  79 {
  80         int ret = 0;
  81         int i;
  82
  83         if (!uuid_a || !uuid_b) {
  84                 goto end;
  85         }
  86
  87         for (i = 0; i < 16; i++) {
  88                 if (uuid_a[i] != uuid_b[i]) {
  89                         goto end;
  90                 }
  91         }
  92
  93         ret = 1;
  94 end:
  95         return ret;
  96 }
  97
  98 static
  99 void validate_trace(char *parser_path, char *trace_path)
 100 {
 101         int ret = 0;
 102         gchar *babeltrace_output_path;
 103         int babeltrace_output_fd = -1;
 104
 105         if (!trace_path) {
 106                 ret = -1;
 107                 goto result;
 108         }
 109
 110         babeltrace_output_fd = g_file_open_tmp("babeltrace_output_XXXXXX",
 111                         &babeltrace_output_path, NULL);
 112         unlink(babeltrace_output_path);
 113         g_free(babeltrace_output_path);
 114
 115         if (babeltrace_output_fd == -1) {
 116                 diag("Failed to create a temporary file for trace parsing.");
 117                 ret = -1;
 118                 goto result;
 119         }
 120
 121         pid_t pid = fork();
 122         if (pid) {
 123                 int status = 0;
 124                 waitpid(pid, &status, 0);
 125                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 126         } else {
 127                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 128                 if (ret < 0) {
 129                         perror("# dup2 babeltrace_output_fd to STDOUT");
 130                         goto result;
 131                 }
 132
 133                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 134                 if (ret < 0) {
 135                         perror("# dup2 babeltrace_output_fd to STDERR");
 136                         goto result;
 137                 }
 138
 139                 execl(parser_path, parser_path, trace_path, NULL);
 140                 perror("# Could not launch the babeltrace process");
 141                 exit(-1);
 142         }
 143 result:
 144         ok(ret == 0, "Babeltrace could read the resulting trace");
 145
 146         if (ret && babeltrace_output_fd >= 0) {
 147                 char *line;
 148                 size_t len = METADATA_LINE_SIZE;
 149                 FILE *babeltrace_output_fp = NULL;
 150
 151                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 152                 if (!babeltrace_output_fp) {
 153                         perror("fdopen on babeltrace_output_fd");
 154                         goto close_fp;
 155                 }
 156                 babeltrace_output_fd = -1;
 157
 158                 line = malloc(len);
 159                 if (!line) {
 160                         diag("malloc error");
 161                 }
 162                 rewind(babeltrace_output_fp);
 163                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 164                         diag("%s", line);
 165                 }
 166
 167                 free(line);
 168 close_fp:
 169                 if (babeltrace_output_fp) {
 170                         if (fclose(babeltrace_output_fp)) {
 171                                 diag("fclose error");
 172                         }
 173                 }
 174         }
 175
 176         if (babeltrace_output_fd >= 0) {
 177                 if (close(babeltrace_output_fd)) {
 178                         diag("close error");
 179                 }
 180         }
 181 }
 182
 183 static
 184 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 185                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 186 {
 187         /* Create and add a simple event class */
 188         struct bt_ctf_event_class *simple_event_class =
 189                 bt_ctf_event_class_create("Simple Event");
 190         struct bt_ctf_field_type *uint_12_type =
 191                 bt_ctf_field_type_integer_create(12);
 192         struct bt_ctf_field_type *int_64_type =
 193                 bt_ctf_field_type_integer_create(64);
 194         struct bt_ctf_field_type *float_type =
 195                 bt_ctf_field_type_floating_point_create();
 196         struct bt_ctf_field_type *enum_type;
 197         struct bt_ctf_field_type *enum_type_unsigned =
 198                 bt_ctf_field_type_enumeration_create(uint_12_type);
 199         struct bt_ctf_field_type *event_context_type =
 200                 bt_ctf_field_type_structure_create();
 201         struct bt_ctf_field_type *event_payload_type = NULL;
 202         struct bt_ctf_field_type *returned_type;
 203         struct bt_ctf_event *simple_event;
 204         struct bt_ctf_field *integer_field;
 205         struct bt_ctf_field *float_field;
 206         struct bt_ctf_field *enum_field;
 207         struct bt_ctf_field *enum_field_unsigned;
 208         struct bt_ctf_field *enum_container_field;
 209         const char *mapping_name_test = "truie";
 210         const double double_test_value = 3.1415;
 211         struct bt_ctf_field *enum_container_field_unsigned;
 212         const char *mapping_name_negative_test = "negative_value";
 213         const char *ret_char;
 214         double ret_double;
 215         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 216         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 217         struct bt_ctf_event_class *ret_event_class;
 218         struct bt_ctf_field *packet_context;
 219         struct bt_ctf_field *packet_context_field;
 220         struct bt_ctf_field *stream_event_context;
 221         struct bt_ctf_field *stream_event_context_field;
 222         struct bt_ctf_field *event_context;
 223         struct bt_ctf_field *event_context_field;
 224         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 225         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 226         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 227         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 228         int ret;
 229
 230         ok(uint_12_type, "Create an unsigned integer type");
 231
 232         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 233                 "Set signed 64 bit integer signedness to true");
 234         ok(int_64_type, "Create a signed integer type");
 235         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 236
 237         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 238         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 239         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 240         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 241                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 242         bt_put(returned_type);
 243
 244         bt_ctf_field_type_set_alignment(float_type, 32);
 245         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 246                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 247         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 248                 "bt_ctf_field_type_get_alignment returns a correct value");
 249
 250         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 251                 "Set a floating point type's exponent digit count");
 252         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 253                 "Set a floating point type's mantissa digit count");
 254
 255         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 256                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 257         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 258                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 259         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 260                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 261         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 262                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 263
 264         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 265                 mapping_name_negative_test, -12345, 0) == 0,
 266                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 267         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 268                 "escaping; \"test\"", 1, 1) == 0,
 269                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 270         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 271                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 272                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 273         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 274                 "event clock int float", 5, 22) == 0,
 275                 "Accept enumeration mapping strings containing reserved keywords");
 276         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 277                 42, 42);
 278         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 279                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 280         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 281                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 282         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 283                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 284         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 285
 286         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 287         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 288
 289         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 290         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 291
 292         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 293         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 294         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 295                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 296         BT_PUT(iter);
 297
 298         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 299                 "enum_field") == 0, "Add signed enumeration field to event");
 300
 301         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 302                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 303                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 304         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 305                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 306                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 307         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 308                 NULL, &ret_range_end_int64_t) == 0,
 309                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 310         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 311                 &ret_range_start_int64_t, NULL) == 0,
 312                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 313         /* Assumes entries are sorted by range_start values. */
 314         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 315                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 316                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 317         ok(!strcmp(ret_char, mapping_name_test),
 318                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 319         ok(ret_range_start_int64_t == 42,
 320                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 321         ok(ret_range_end_int64_t == 42,
 322                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 323
 324         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 325                 "escaping; \"test\"", 0, 0) == 0,
 326                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 327         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 328                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 329                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 330         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 331                 "event clock int float", 5, 22) == 0,
 332                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 333         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 334                 42, 42) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts single-value ranges");
 335         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 336                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 337         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 338                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 339         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 340                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 341         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 342                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 343
 344         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 345                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 346         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 347                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 348
 349         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 350                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 351                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 352         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 353                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 354                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 355         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 356                 NULL, &ret_range_end_uint64_t) == 0,
 357                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 358         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 359                 &ret_range_start_uint64_t, NULL) == 0,
 360                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 361         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 362                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 363                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 364         ok(!strcmp(ret_char, mapping_name_test),
 365                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 366         ok(ret_range_start_uint64_t == 42,
 367                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 368         ok(ret_range_end_uint64_t == 42,
 369                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 370
 371         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 372                 "integer_field");
 373         bt_ctf_event_class_add_field(simple_event_class, float_type,
 374                 "float_field");
 375
 376         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 377
 378         /* Set an event context type which will contain a single integer. */
 379         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 380                 "event_specific_context"),
 381                 "Add event specific context field");
 382         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 383                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 384
 385         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 386                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 387         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 388                 "Set an event class' context type successfully");
 389         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 390         ok(returned_type == event_context_type,
 391                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 392         bt_put(returned_type);
 393
 394         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 395                 "Adding simple event class to stream class");
 396
 397         /*
 398          * bt_ctf_stream_class_add_event_class() copies the field types
 399          * of simple_event_class, so we retrieve the new ones to create
 400          * the appropriate fields.
 401          */
 402         BT_PUT(event_context_type);
 403         BT_PUT(event_payload_type);
 404         event_payload_type = bt_ctf_event_class_get_payload_type(
 405                 simple_event_class);
 406         assert(event_payload_type);
 407         event_context_type = bt_ctf_event_class_get_context_type(
 408                 simple_event_class);
 409         assert(event_context_type);
 410         ep_integer_field_type =
 411                 bt_ctf_field_type_structure_get_field_type_by_name(
 412                         event_payload_type, "integer_field");
 413         assert(ep_integer_field_type);
 414         ep_enum_field_type =
 415                 bt_ctf_field_type_structure_get_field_type_by_name(
 416                         event_payload_type, "enum_field");
 417         assert(ep_enum_field_type);
 418         ep_enum_field_unsigned_type =
 419                 bt_ctf_field_type_structure_get_field_type_by_name(
 420                         event_payload_type, "enum_field_unsigned");
 421         assert(ep_enum_field_unsigned_type);
 422
 423         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 424                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 425         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 426                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 427         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 428                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 429         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 430                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 431         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 432         ok(ret_event_class == simple_event_class,
 433                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 434         bt_put(ret_event_class);
 435         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 436                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 437         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 438                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 439         ret_event_class =
 440                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 441         ok(ret_event_class == simple_event_class,
 442                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 443         bt_put(ret_event_class);
 444
 445         simple_event = bt_ctf_event_create(simple_event_class);
 446         ok(simple_event,
 447                 "Instantiate an event containing a single integer field");
 448
 449         integer_field = bt_ctf_field_create(ep_integer_field_type);
 450         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 451         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 452                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 453
 454         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 455         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 456                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 457         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 458         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 459                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 460         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 461                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 462         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 463                 "bt_ctf_field_floating_point_get_value returns a double value");
 464         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 465                 "bt_ctf_field_floating_point_get_value returns a correct value");
 466
 467         enum_field = bt_ctf_field_create(ep_enum_field_type);
 468         assert(enum_field);
 469
 470         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 471         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 472         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 473         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 474         enum_container_field = bt_ctf_field_enumeration_get_container(
 475                 enum_field);
 476         ok(bt_ctf_field_signed_integer_set_value(
 477                 enum_container_field, -42) == 0,
 478                 "Set signed enumeration container value");
 479         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 480         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 481         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 482         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 483         assert(ret_char);
 484         ok(!strcmp(ret_char, mapping_name_negative_test),
 485                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 486         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 487         assert(!ret);
 488         BT_PUT(iter);
 489
 490         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 491         assert(enum_field_unsigned);
 492         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 493                 enum_field_unsigned);
 494         ok(bt_ctf_field_unsigned_integer_set_value(
 495                 enum_container_field_unsigned, 42) == 0,
 496                 "Set unsigned enumeration container value");
 497         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 498                 enum_field_unsigned);
 499         assert(!ret);
 500         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 501         assert(iter);
 502         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 503         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 504                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 505
 506         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 507
 508         /* Populate stream event context */
 509         stream_event_context =
 510                 bt_ctf_event_get_stream_event_context(simple_event);
 511         assert(stream_event_context);
 512         stream_event_context_field = bt_ctf_field_structure_get_field(
 513                 stream_event_context, "common_event_context");
 514         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 515
 516         /* Populate the event's context */
 517         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 518                 "bt_ctf_event_get_event_context handles NULL correctly");
 519         event_context = bt_ctf_event_get_event_context(simple_event);
 520         ok(event_context,
 521                 "bt_ctf_event_get_event_context returns a field");
 522         returned_type = bt_ctf_field_get_type(event_context);
 523         ok(returned_type == event_context_type,
 524                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 525         event_context_field = bt_ctf_field_structure_get_field(event_context,
 526                 "event_specific_context");
 527         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 528                 "Successfully set an event context's value");
 529         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 530                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 531         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 532                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 533         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 534                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 535         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 536                 "Set an event context successfully");
 537
 538         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 539                 "Append simple event to trace stream");
 540
 541         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 542                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 543         packet_context = bt_ctf_stream_get_packet_context(stream);
 544         ok(packet_context,
 545                 "bt_ctf_stream_get_packet_context returns a packet context");
 546
 547         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 548                 "packet_size");
 549         ok(packet_context_field,
 550                 "Packet context contains the default packet_size field.");
 551         bt_put(packet_context_field);
 552         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 553                 "custom_packet_context_field");
 554         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 555                 "Custom packet context field value successfully set.");
 556
 557         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 558                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 559         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 560                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 561         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 562                 "Successfully set a stream's packet context");
 563
 564         ok(bt_ctf_stream_flush(stream) == 0,
 565                 "Flush trace stream with one event");
 566
 567         bt_put(simple_event_class);
 568         bt_put(simple_event);
 569         bt_put(uint_12_type);
 570         bt_put(int_64_type);
 571         bt_put(float_type);
 572         bt_put(enum_type);
 573         bt_put(enum_type_unsigned);
 574         bt_put(returned_type);
 575         bt_put(event_context_type);
 576         bt_put(integer_field);
 577         bt_put(float_field);
 578         bt_put(enum_field);
 579         bt_put(enum_field_unsigned);
 580         bt_put(enum_container_field);
 581         bt_put(enum_container_field_unsigned);
 582         bt_put(packet_context);
 583         bt_put(packet_context_field);
 584         bt_put(stream_event_context);
 585         bt_put(stream_event_context_field);
 586         bt_put(event_context);
 587         bt_put(event_context_field);
 588         bt_put(event_payload_type);
 589         bt_put(ep_integer_field_type);
 590         bt_put(ep_enum_field_type);
 591         bt_put(ep_enum_field_unsigned_type);
 592         bt_put(iter);
 593 }
 594
 595 static
 596 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 597                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 598 {
 599         int i;
 600         struct event_class_attrs_counts ;
 601         const char *complex_test_event_string = "Complex Test Event";
 602         const char *test_string_1 = "Test ";
 603         const char *test_string_2 = "string ";
 604         const char *test_string_3 = "abcdefghi";
 605         const char *test_string_4 = "abcd\0efg\0hi";
 606         const char *test_string_cat = "Test string abcdeabcd";
 607         struct bt_ctf_field_type *uint_35_type =
 608                 bt_ctf_field_type_integer_create(35);
 609         struct bt_ctf_field_type *int_16_type =
 610                 bt_ctf_field_type_integer_create(16);
 611         struct bt_ctf_field_type *uint_3_type =
 612                 bt_ctf_field_type_integer_create(3);
 613         struct bt_ctf_field_type *enum_variant_type =
 614                 bt_ctf_field_type_enumeration_create(uint_3_type);
 615         struct bt_ctf_field_type *variant_type =
 616                 bt_ctf_field_type_variant_create(enum_variant_type,
 617                         "variant_selector");
 618         struct bt_ctf_field_type *string_type =
 619                 bt_ctf_field_type_string_create();
 620         struct bt_ctf_field_type *sequence_type;
 621         struct bt_ctf_field_type *array_type;
 622         struct bt_ctf_field_type *inner_structure_type =
 623                 bt_ctf_field_type_structure_create();
 624         struct bt_ctf_field_type *complex_structure_type =
 625                 bt_ctf_field_type_structure_create();
 626         struct bt_ctf_field_type *ret_field_type;
 627         struct bt_ctf_event_class *event_class;
 628         struct bt_ctf_event *event;
 629         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 630                 *inner_structure_field, *complex_structure_field,
 631                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 632                 *variant_field, *an_array_field, *stream_event_ctx_field,
 633                 *stream_event_ctx_int_field, *ret_field;
 634         uint64_t ret_unsigned_int;
 635         int64_t ret_signed_int;
 636         const char *ret_string;
 637         struct bt_ctf_stream_class *ret_stream_class;
 638         struct bt_ctf_event_class *ret_event_class;
 639         struct bt_ctf_field *packet_context, *packet_context_field;
 640         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 641
 642         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 643                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 644         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 645                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 646         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 647                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 648         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 649                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 650         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 651                 "Set alignment of signed 16 bit integer to 32");
 652         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 653                 "Set integer signedness to true");
 654         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 655                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 656                 "Set signed 16 bit integer base to hexadecimal");
 657
 658         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 659         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 660                 "seq_len");
 661
 662         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 663                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 664         ret_field_type = bt_ctf_field_type_array_get_element_type(
 665                 array_type);
 666         ok(ret_field_type == int_16_type,
 667                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 668         bt_put(ret_field_type);
 669
 670         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 671                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 672         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 673                 "bt_ctf_field_type_array_get_length returns the correct length");
 674
 675         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 676                 inner_structure_type, "yes"), "Cannot add self to structure");
 677         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 678                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 679         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 680                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 681         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 682                 array_type, "an_array"), "Add an_array field to inner structure");
 683
 684         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 685                 "UINT3_TYPE", 0, 0);
 686         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 687                 "INT16_TYPE", 1, 1);
 688         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 689                 "UINT35_TYPE", 2, 7);
 690
 691         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 692         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 693
 694         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 695         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 696         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 697                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 698         BT_PUT(iter);
 699
 700         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 701         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 702
 703         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 704         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 705
 706         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 707         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 708         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 709                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 710         BT_PUT(iter);
 711
 712         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 713         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 714         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 715                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 716         BT_PUT(iter);
 717
 718         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 719                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 720         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 721                 "UINT3_TYPE") == 0, "Add a field to a variant");
 722         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 723                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 724         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 725                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 726
 727         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 728                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 729         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 730         ok(ret_field_type == enum_variant_type,
 731                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 732         bt_put(ret_field_type);
 733
 734         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 735                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 736         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 737         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 738                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 739         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 740                 "INT16_TYPE") == NULL,
 741                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 742         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 743                 NULL) == NULL,
 744                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 745         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 746                 variant_type, "INT16_TYPE");
 747         ok(ret_field_type == int_16_type,
 748                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 749         bt_put(ret_field_type);
 750
 751         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 752                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 753         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 754                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 755
 756         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 757                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 758         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 759                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 760         bt_put(ret_field_type);
 761         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 762                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 763         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 764                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 765         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 766                 "bt_ctf_field_type_variant_get_field returns a field");
 767         ok(!strcmp("INT16_TYPE", ret_string),
 768                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 769         ok(ret_field_type == int_16_type,
 770                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 771         bt_put(ret_field_type);
 772
 773         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 774                 enum_variant_type, "variant_selector"),
 775                 "Add variant_selector field to complex structure");
 776         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 777                 string_type, "a_string"), "Add a_string field to complex structure");
 778         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 779                 variant_type, "variant_value"),
 780                 "Add variant_value field to complex structure");
 781         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 782                 inner_structure_type, "inner_structure"),
 783                 "Add inner_structure field to complex structure");
 784
 785         event_class = bt_ctf_event_class_create(complex_test_event_string);
 786         ok(event_class, "Create an event class");
 787         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 788                 "Reject addition of a field with an empty name to an event");
 789         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 790                 "Reject addition of a field with a NULL type to an event");
 791         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 792                 "int"),
 793                 "Reject addition of a type with an illegal name to an event");
 794         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 795                 "uint_35") == 0,
 796                 "Add field of type unsigned integer to an event");
 797         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 798                 "int_16") == 0, "Add field of type signed integer to an event");
 799         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 800                 "complex_structure") == 0,
 801                 "Add composite structure to an event");
 802
 803         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 804                 "bt_ctf_event_class_get_name handles NULL correctly");
 805         ret_string = bt_ctf_event_class_get_name(event_class);
 806         ok(!strcmp(ret_string, complex_test_event_string),
 807                 "bt_ctf_event_class_get_name returns a correct name");
 808         ok(bt_ctf_event_class_get_id(event_class) < 0,
 809                 "bt_ctf_event_class_get_id returns a negative value when not set");
 810         ok(bt_ctf_event_class_get_id(NULL) < 0,
 811                 "bt_ctf_event_class_get_id handles NULL correctly");
 812         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 813                 "bt_ctf_event_class_set_id handles NULL correctly");
 814         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 815                 "Set an event class' id");
 816         ok(bt_ctf_event_class_get_id(event_class) == 42,
 817                 "bt_ctf_event_class_get_id returns the correct value");
 818
 819         /* Test event class attributes */
 820         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED,
 821                 "event class has the expected initial log level");
 822         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 823                 "as expected, event class has no initial EMF URI");
 824         ok(bt_ctf_event_class_set_log_level(NULL, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 825                 "bt_ctf_event_class_set_log_level handles a NULL event class correctly");
 826         ok(bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN),
 827                 "bt_ctf_event_class_set_log_level handles an unknown log level correctly");
 828         ok(!bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 829                 "bt_ctf_event_class_set_log_level succeeds with a valid log level");
 830         ok(bt_ctf_event_class_get_log_level(NULL) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN,
 831                 "bt_ctf_event_class_get_log_level handles a NULL event class correctly");
 832         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO,
 833                 "bt_ctf_event_class_get_log_level returns the expected log level");
 834         ok(bt_ctf_event_class_set_emf_uri(NULL, "http://diamon.org/babeltrace/"),
 835                 "bt_ctf_event_class_set_emf_uri handles a NULL event class correctly");
 836         ok(!bt_ctf_event_class_set_emf_uri(event_class, "http://diamon.org/babeltrace/"),
 837                 "bt_ctf_event_class_set_emf_uri succeeds with a valid EMF URI");
 838         ok(!bt_ctf_event_class_get_emf_uri(NULL),
 839                 "bt_ctf_event_class_get_emf_uri handles a NULL event class correctly");
 840         ok(strcmp(bt_ctf_event_class_get_emf_uri(event_class), "http://diamon.org/babeltrace/") == 0,
 841                 "bt_ctf_event_class_get_emf_uri returns the expected EMF URI");
 842         ok(!bt_ctf_event_class_set_emf_uri(event_class, NULL),
 843                 "bt_ctf_event_class_set_emf_uri succeeds with NULL (to reset)");
 844         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 845                 "as expected, event class has no EMF URI after reset");
 846
 847         /* Add event class to the stream class */
 848         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 849                 "Reject addition of NULL event class to a stream class");
 850         ok(bt_ctf_stream_class_add_event_class(stream_class,
 851                 event_class) == 0, "Add an event class to stream class");
 852
 853         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 854                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 855         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 856         ok(ret_stream_class == stream_class,
 857                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 858         bt_put(ret_stream_class);
 859
 860         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 861                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 862         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 863                 "bt_ctf_event_class_get_field_count returns a correct value");
 864
 865         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 866                 &ret_field_type, 0) < 0,
 867                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 868         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 869                 &ret_field_type, 0) == 0,
 870                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 871         bt_put(ret_field_type);
 872         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 873                 NULL, 0) == 0,
 874                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 875         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 876                 &ret_field_type, 42) < 0,
 877                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 878         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 879                 &ret_field_type, 0) == 0,
 880                 "bt_ctf_event_class_get_field returns a field");
 881         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 882                 "bt_ctf_event_class_get_field returns a correct field type");
 883         bt_put(ret_field_type);
 884         ok(!strcmp(ret_string, "uint_35"),
 885                 "bt_ctf_event_class_get_field returns a correct field name");
 886         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 887                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 888         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 889                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 890         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 891                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 892         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 893                 "complex_structure");
 894         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 895                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 896         bt_put(ret_field_type);
 897
 898         event = bt_ctf_event_create(event_class);
 899         ok(event, "Instanciate a complex event");
 900
 901         ok(bt_ctf_event_get_class(NULL) == NULL,
 902                 "bt_ctf_event_get_class handles NULL correctly");
 903         ret_event_class = bt_ctf_event_get_class(event);
 904         ok(ret_event_class == event_class,
 905                 "bt_ctf_event_get_class returns the correct event class");
 906         bt_put(ret_event_class);
 907
 908         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 909         if (!uint_35_field) {
 910                 printf("uint_35_field is NULL\n");
 911         }
 912
 913         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 914         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 915         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
 916                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 917         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
 918                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 919         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 920                 &ret_unsigned_int) == 0,
 921                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 922         ok(ret_unsigned_int == 0x0DDF00D,
 923                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 924         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 925                 &ret_signed_int) < 0,
 926                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 927         bt_put(uint_35_field);
 928
 929         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 930         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 931         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
 932                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 933         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
 934                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 935         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 936                 &ret_signed_int) == 0,
 937                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 938         ok(ret_signed_int == -12345,
 939                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 940         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 941                 &ret_unsigned_int) < 0,
 942                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 943         bt_put(int_16_field);
 944
 945         complex_structure_field = bt_ctf_event_get_payload(event,
 946                 "complex_structure");
 947
 948         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 949                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 950         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 951                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 952         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 953                 complex_structure_field, 3);
 954         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 955         bt_put(inner_structure_field);
 956         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
 957                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 958         bt_put(ret_field_type);
 959
 960         inner_structure_field = bt_ctf_field_structure_get_field(
 961                 complex_structure_field, "inner_structure");
 962         a_string_field = bt_ctf_field_structure_get_field(
 963                 complex_structure_field, "a_string");
 964         enum_variant_field = bt_ctf_field_structure_get_field(
 965                 complex_structure_field, "variant_selector");
 966         variant_field = bt_ctf_field_structure_get_field(
 967                 complex_structure_field, "variant_value");
 968         uint_35_field = bt_ctf_field_structure_get_field(
 969                 inner_structure_field, "seq_len");
 970         a_sequence_field = bt_ctf_field_structure_get_field(
 971                 inner_structure_field, "a_sequence");
 972         an_array_field = bt_ctf_field_structure_get_field(
 973                 inner_structure_field, "an_array");
 974
 975         enum_container_field = bt_ctf_field_enumeration_get_container(
 976                 enum_variant_field);
 977         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 978         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 979                 enum_variant_field);
 980         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 981         bt_put(int_16_field);
 982         ok(!bt_ctf_field_string_get_value(a_string_field),
 983                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 984         bt_ctf_field_string_set_value(a_string_field,
 985                 test_string_1);
 986         ok(!bt_ctf_field_string_get_value(NULL),
 987                 "bt_ctf_field_string_get_value correctly handles NULL");
 988         ok(bt_ctf_field_string_append(NULL, "yeah"),
 989                 "bt_ctf_field_string_append correctly handles a NULL string field");
 990         ok(bt_ctf_field_string_append(a_string_field, NULL),
 991                 "bt_ctf_field_string_append correctly handles a NULL string value");
 992         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
 993                 "bt_ctf_field_string_append succeeds");
 994         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
 995                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
 996         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
 997                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
 998         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
 999                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
1000         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
1001                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
1002         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
1003                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1004         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
1005                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
1006
1007         ret_string = bt_ctf_field_string_get_value(a_string_field);
1008         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1009         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1010                 "bt_ctf_field_string_get_value returns a correct value");
1011         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1012                 SEQUENCE_TEST_LENGTH);
1013
1014         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1015                 enum_container_field) == NULL,
1016                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1017         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1018                 NULL) == NULL,
1019                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1020         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1021                 variant_type, enum_variant_field);
1022         ok(ret_field_type == int_16_type,
1023                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1024
1025         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1026                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1027         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1028                 uint_35_field) == 0, "Set a sequence field's length");
1029         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1030         ok(ret_field == uint_35_field,
1031                 "bt_ctf_field_sequence_get_length returns the correct length field");
1032         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1033                 "bt_ctf_field_sequence_get_length properly handles NULL");
1034
1035         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1036                 int_16_field = bt_ctf_field_sequence_get_field(
1037                         a_sequence_field, i);
1038                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1039                 bt_put(int_16_field);
1040         }
1041
1042         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1043                 int_16_field = bt_ctf_field_array_get_field(
1044                         an_array_field, i);
1045                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1046                 bt_put(int_16_field);
1047         }
1048
1049         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1050         assert(stream_event_ctx_field);
1051         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1052                 stream_event_ctx_field, "common_event_context");
1053         BT_PUT(stream_event_ctx_field);
1054         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1055         BT_PUT(stream_event_ctx_int_field);
1056
1057         bt_ctf_clock_set_time(clock, ++current_time);
1058         ok(bt_ctf_stream_append_event(stream, event) == 0,
1059                 "Append a complex event to a stream");
1060
1061         /*
1062          * Populate the custom packet context field with a dummy value
1063          * otherwise flush will fail.
1064          */
1065         packet_context = bt_ctf_stream_get_packet_context(stream);
1066         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1067                 "custom_packet_context_field");
1068         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1069
1070         ok(bt_ctf_stream_flush(stream) == 0,
1071                 "Flush a stream containing a complex event");
1072
1073         bt_put(uint_35_field);
1074         bt_put(a_string_field);
1075         bt_put(inner_structure_field);
1076         bt_put(complex_structure_field);
1077         bt_put(a_sequence_field);
1078         bt_put(an_array_field);
1079         bt_put(enum_variant_field);
1080         bt_put(enum_container_field);
1081         bt_put(variant_field);
1082         bt_put(ret_field);
1083         bt_put(packet_context_field);
1084         bt_put(packet_context);
1085         bt_put(uint_35_type);
1086         bt_put(int_16_type);
1087         bt_put(string_type);
1088         bt_put(sequence_type);
1089         bt_put(array_type);
1090         bt_put(inner_structure_type);
1091         bt_put(complex_structure_type);
1092         bt_put(uint_3_type);
1093         bt_put(enum_variant_type);
1094         bt_put(variant_type);
1095         bt_put(ret_field_type);
1096         bt_put(event_class);
1097         bt_put(event);
1098 }
1099
1100 static
1101 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1102                 struct bt_ctf_field_type *expected_type, const char *name)
1103 {
1104         struct bt_ctf_field_type *copy_type;
1105
1106         copy_type = bt_ctf_field_get_type(field);
1107         ok(copy_type == expected_type,
1108                 "bt_ctf_field_copy does not copy the type (%s)", name);
1109         bt_put(copy_type);
1110 }
1111
1112 static
1113 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1114                 struct bt_ctf_field *field_b, const char *name)
1115 {
1116         ok(field_a != field_b,
1117                 "bt_ctf_field_copy creates different pointers (%s)", name);
1118 }
1119
1120 static
1121 void field_copy_tests()
1122 {
1123         struct bt_ctf_field_type *len_type = NULL;
1124         struct bt_ctf_field_type *fp_type = NULL;
1125         struct bt_ctf_field_type *s_type = NULL;
1126         struct bt_ctf_field_type *e_int_type = NULL;
1127         struct bt_ctf_field_type *e_type = NULL;
1128         struct bt_ctf_field_type *v_type = NULL;
1129         struct bt_ctf_field_type *v_label1_type = NULL;
1130         struct bt_ctf_field_type *v_label1_array_type = NULL;
1131         struct bt_ctf_field_type *v_label2_type = NULL;
1132         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1133         struct bt_ctf_field_type *strct_type = NULL;
1134         struct bt_ctf_field *len = NULL;
1135         struct bt_ctf_field *fp = NULL;
1136         struct bt_ctf_field *s = NULL;
1137         struct bt_ctf_field *e_int = NULL;
1138         struct bt_ctf_field *e = NULL;
1139         struct bt_ctf_field *v = NULL;
1140         struct bt_ctf_field *v_selected = NULL;
1141         struct bt_ctf_field *v_selected_cur = NULL;
1142         struct bt_ctf_field *v_selected_0 = NULL;
1143         struct bt_ctf_field *v_selected_1 = NULL;
1144         struct bt_ctf_field *v_selected_2 = NULL;
1145         struct bt_ctf_field *v_selected_3 = NULL;
1146         struct bt_ctf_field *v_selected_4 = NULL;
1147         struct bt_ctf_field *v_selected_5 = NULL;
1148         struct bt_ctf_field *v_selected_6 = NULL;
1149         struct bt_ctf_field *a = NULL;
1150         struct bt_ctf_field *a_0 = NULL;
1151         struct bt_ctf_field *a_1 = NULL;
1152         struct bt_ctf_field *a_2 = NULL;
1153         struct bt_ctf_field *a_3 = NULL;
1154         struct bt_ctf_field *a_4 = NULL;
1155         struct bt_ctf_field *strct = NULL;
1156         struct bt_ctf_field *len_copy = NULL;
1157         struct bt_ctf_field *fp_copy = NULL;
1158         struct bt_ctf_field *s_copy = NULL;
1159         struct bt_ctf_field *e_int_copy = NULL;
1160         struct bt_ctf_field *e_copy = NULL;
1161         struct bt_ctf_field *v_copy = NULL;
1162         struct bt_ctf_field *v_selected_copy = NULL;
1163         struct bt_ctf_field *v_selected_copy_len = NULL;
1164         struct bt_ctf_field *v_selected_0_copy = NULL;
1165         struct bt_ctf_field *v_selected_1_copy = NULL;
1166         struct bt_ctf_field *v_selected_2_copy = NULL;
1167         struct bt_ctf_field *v_selected_3_copy = NULL;
1168         struct bt_ctf_field *v_selected_4_copy = NULL;
1169         struct bt_ctf_field *v_selected_5_copy = NULL;
1170         struct bt_ctf_field *v_selected_6_copy = NULL;
1171         struct bt_ctf_field *a_copy = NULL;
1172         struct bt_ctf_field *a_0_copy = NULL;
1173         struct bt_ctf_field *a_1_copy = NULL;
1174         struct bt_ctf_field *a_2_copy = NULL;
1175         struct bt_ctf_field *a_3_copy = NULL;
1176         struct bt_ctf_field *a_4_copy = NULL;
1177         struct bt_ctf_field *strct_copy = NULL;
1178         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1179         uint64_t uint64_t_val;
1180         const char *str_val;
1181         double double_val;
1182         int ret;
1183
1184         /* create len type */
1185         len_type = bt_ctf_field_type_integer_create(32);
1186         assert(len_type);
1187
1188         /* create fp type */
1189         fp_type = bt_ctf_field_type_floating_point_create();
1190         assert(fp_type);
1191
1192         /* create s type */
1193         s_type = bt_ctf_field_type_string_create();
1194         assert(s_type);
1195
1196         /* create e_int type */
1197         e_int_type = bt_ctf_field_type_integer_create(8);
1198         assert(e_int_type);
1199
1200         /* create e type */
1201         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1202         assert(e_type);
1203         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1204                 10, 15);
1205         assert(!ret);
1206         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1207                 23, 23);
1208         assert(!ret);
1209
1210         /* create v_label1 type */
1211         v_label1_type = bt_ctf_field_type_string_create();
1212         assert(v_label1_type);
1213
1214         /* create v_label1_array type */
1215         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1216         assert(v_label1_array_type);
1217
1218         /* create v_label2 type */
1219         v_label2_type = bt_ctf_field_type_integer_create(16);
1220         assert(v_label2_type);
1221
1222         /* create v_label2_seq type */
1223         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1224                 "len");
1225         assert(v_label2_seq_type);
1226
1227         /* create v type */
1228         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1229         assert(v_type);
1230         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1231                 "LABEL1");
1232         assert(!ret);
1233         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1234                 "LABEL2");
1235         assert(!ret);
1236
1237         /* create strct type */
1238         strct_type = bt_ctf_field_type_structure_create();
1239         assert(strct_type);
1240         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1241                 "len");
1242         assert(!ret);
1243         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1244         assert(!ret);
1245         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1246         assert(!ret);
1247         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1248         assert(!ret);
1249         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1250         assert(!ret);
1251         ret = bt_ctf_field_type_structure_add_field(strct_type,
1252                 v_label1_array_type, "a");
1253         assert(!ret);
1254
1255         /* create strct */
1256         strct = bt_ctf_field_create(strct_type);
1257         assert(strct);
1258
1259         /* get len field */
1260         len = bt_ctf_field_structure_get_field(strct, "len");
1261         assert(len);
1262
1263         /* get fp field */
1264         fp = bt_ctf_field_structure_get_field(strct, "fp");
1265         assert(fp);
1266
1267         /* get s field */
1268         s = bt_ctf_field_structure_get_field(strct, "s");
1269         assert(s);
1270
1271         /* get e field */
1272         e = bt_ctf_field_structure_get_field(strct, "e");
1273         assert(e);
1274
1275         /* get e_int (underlying integer) */
1276         e_int = bt_ctf_field_enumeration_get_container(e);
1277         assert(e_int);
1278
1279         /* get v field */
1280         v = bt_ctf_field_structure_get_field(strct, "v");
1281         assert(v);
1282
1283         /* get a field */
1284         a = bt_ctf_field_structure_get_field(strct, "a");
1285         assert(a);
1286
1287         /* set len field */
1288         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1289         assert(!ret);
1290
1291         /* set fp field */
1292         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1293         assert(!ret);
1294
1295         /* set s field */
1296         ret = bt_ctf_field_string_set_value(s, "btbt");
1297         assert(!ret);
1298
1299         /* set e field (LABEL2) */
1300         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1301         assert(!ret);
1302
1303         /* set v field */
1304         v_selected = bt_ctf_field_variant_get_field(v, e);
1305         assert(v_selected);
1306         ok(!bt_ctf_field_variant_get_current_field(NULL),
1307                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1308         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1309         ok(v_selected_cur == v_selected,
1310                 "bt_ctf_field_variant_get_current_field returns the current field");
1311         bt_put(v_selected_cur);
1312
1313         /* set selected v field */
1314         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1315         assert(!ret);
1316         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1317         assert(v_selected_0);
1318         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1319         assert(!ret);
1320         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1321         assert(v_selected_1);
1322         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1323         assert(!ret);
1324         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1325         assert(v_selected_2);
1326         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1327         assert(!ret);
1328         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1329         assert(v_selected_3);
1330         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1331         assert(!ret);
1332         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1333         assert(v_selected_4);
1334         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1335         assert(!ret);
1336         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1337         assert(v_selected_5);
1338         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1339         assert(!ret);
1340         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1341         assert(v_selected_6);
1342         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1343         assert(!ret);
1344
1345         /* set a field */
1346         a_0 = bt_ctf_field_array_get_field(a, 0);
1347         assert(a_0);
1348         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1349         assert(!ret);
1350         a_1 = bt_ctf_field_array_get_field(a, 1);
1351         assert(a_1);
1352         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1353         assert(!ret);
1354         a_2 = bt_ctf_field_array_get_field(a, 2);
1355         assert(a_2);
1356         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1357         assert(!ret);
1358         a_3 = bt_ctf_field_array_get_field(a, 3);
1359         assert(a_3);
1360         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1361         assert(!ret);
1362         a_4 = bt_ctf_field_array_get_field(a, 4);
1363         assert(a_4);
1364         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1365         assert(!ret);
1366
1367         /* create copy of strct */
1368         ok(!bt_ctf_field_copy(NULL),
1369                 "bt_ctf_field_copy handles NULL correctly");
1370         strct_copy = bt_ctf_field_copy(strct);
1371         ok(strct_copy,
1372                 "bt_ctf_field_copy returns a valid pointer");
1373
1374         /* get all copied fields */
1375         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1376         assert(len_copy);
1377         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1378         assert(fp_copy);
1379         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1380         assert(s_copy);
1381         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1382         assert(e_copy);
1383         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1384         assert(e_int_copy);
1385         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1386         assert(v_copy);
1387         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1388         assert(v_selected_copy);
1389         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1390         assert(v_selected_0_copy);
1391         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1392         assert(v_selected_1_copy);
1393         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1394         assert(v_selected_2_copy);
1395         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1396         assert(v_selected_3_copy);
1397         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1398         assert(v_selected_4_copy);
1399         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1400         assert(v_selected_5_copy);
1401         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1402         assert(v_selected_6_copy);
1403         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1404                 "sequence field copy is not too large");
1405         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1406         assert(a_copy);
1407         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1408         assert(a_0_copy);
1409         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1410         assert(a_1_copy);
1411         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1412         assert(a_2_copy);
1413         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1414         assert(a_3_copy);
1415         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1416         assert(a_4_copy);
1417         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1418                 "array field copy is not too large");
1419
1420         /* make sure copied fields are different pointers */
1421         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1422         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1423         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1424         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1425         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1426         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1427         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1428         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1429                 "v_selected");
1430         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1431                 "v_selected_0");
1432         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1433                 "v_selected_1");
1434         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1435                 "v_selected_2");
1436         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1437                 "v_selected_3");
1438         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1439                 "v_selected_4");
1440         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1441                 "v_selected_5");
1442         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1443                 "v_selected_6");
1444         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1445         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1446         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1447         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1448         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1449         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1450
1451         /* make sure copied fields share the same types */
1452         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1453         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1454         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1455         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1456         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1457         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1458         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1459                 "v_selected");
1460         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1461                 "v_selected_0");
1462         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1463                 "v_selected_1");
1464         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1465                 "v_selected_2");
1466         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1467                 "v_selected_3");
1468         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1469                 "v_selected_4");
1470         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1471                 "v_selected_5");
1472         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1473                 "v_selected_6");
1474         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1475         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1476         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1477         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1478         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1479         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1480
1481         /* validate len copy */
1482         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1483         assert(!ret);
1484         ok(uint64_t_val == 7,
1485                 "bt_ctf_field_copy creates a valid integer field copy");
1486
1487         /* validate fp copy */
1488         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1489         assert(!ret);
1490         ok(double_val == 3.14,
1491                 "bt_ctf_field_copy creates a valid floating point number field copy");
1492
1493         /* validate s copy */
1494         str_val = bt_ctf_field_string_get_value(s_copy);
1495         ok(str_val && !strcmp(str_val, "btbt"),
1496                 "bt_ctf_field_copy creates a valid string field copy");
1497
1498         /* validate e_int copy */
1499         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1500                 &uint64_t_val);
1501         assert(!ret);
1502         ok(uint64_t_val == 23,
1503                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1504
1505         /* validate e copy */
1506         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1507         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1508                 &str_val, NULL, NULL);
1509         ok(str_val && !strcmp(str_val, "LABEL2"),
1510                 "bt_ctf_field_copy creates a valid enum field copy");
1511
1512         /* validate v_selected copy */
1513         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1514         assert(v_selected_copy_len);
1515         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1516                 &uint64_t_val);
1517         assert(!ret);
1518         ok(uint64_t_val == 7,
1519                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1520         bt_put(v_selected_copy_len);
1521         v_selected_copy_len = NULL;
1522
1523         /* validate v_selected copy fields */
1524         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1525                 &uint64_t_val);
1526         assert(!ret);
1527         ok(uint64_t_val == 7,
1528                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1529         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1530                 &uint64_t_val);
1531         assert(!ret);
1532         ok(uint64_t_val == 6,
1533                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1534         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1535                 &uint64_t_val);
1536         assert(!ret);
1537         ok(uint64_t_val == 5,
1538                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1539         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1540                 &uint64_t_val);
1541         assert(!ret);
1542         ok(uint64_t_val == 4,
1543                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1544         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1545                 &uint64_t_val);
1546         assert(!ret);
1547         ok(uint64_t_val == 3,
1548                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1549         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1550                 &uint64_t_val);
1551         assert(!ret);
1552         ok(uint64_t_val == 2,
1553                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1554         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1555                 &uint64_t_val);
1556         assert(!ret);
1557         ok(uint64_t_val == 1,
1558                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1559
1560         /* validate a copy fields */
1561         str_val = bt_ctf_field_string_get_value(a_0_copy);
1562         ok(str_val && !strcmp(str_val, "a_0"),
1563                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1564         str_val = bt_ctf_field_string_get_value(a_1_copy);
1565         ok(str_val && !strcmp(str_val, "a_1"),
1566                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1567         str_val = bt_ctf_field_string_get_value(a_2_copy);
1568         ok(str_val && !strcmp(str_val, "a_2"),
1569                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1570         str_val = bt_ctf_field_string_get_value(a_3_copy);
1571         ok(str_val && !strcmp(str_val, "a_3"),
1572                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1573         str_val = bt_ctf_field_string_get_value(a_4_copy);
1574         ok(str_val && !strcmp(str_val, "a_4"),
1575                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1576
1577         /* put everything */
1578         bt_put(len_type);
1579         bt_put(fp_type);
1580         bt_put(s_type);
1581         bt_put(e_int_type);
1582         bt_put(e_type);
1583         bt_put(v_type);
1584         bt_put(v_label1_type);
1585         bt_put(v_label1_array_type);
1586         bt_put(v_label2_type);
1587         bt_put(v_label2_seq_type);
1588         bt_put(strct_type);
1589         bt_put(len);
1590         bt_put(fp);
1591         bt_put(s);
1592         bt_put(e_int);
1593         bt_put(e);
1594         bt_put(v);
1595         bt_put(v_selected);
1596         bt_put(v_selected_0);
1597         bt_put(v_selected_1);
1598         bt_put(v_selected_2);
1599         bt_put(v_selected_3);
1600         bt_put(v_selected_4);
1601         bt_put(v_selected_5);
1602         bt_put(v_selected_6);
1603         bt_put(a);
1604         bt_put(a_0);
1605         bt_put(a_1);
1606         bt_put(a_2);
1607         bt_put(a_3);
1608         bt_put(a_4);
1609         bt_put(strct);
1610         bt_put(len_copy);
1611         bt_put(fp_copy);
1612         bt_put(s_copy);
1613         bt_put(e_int_copy);
1614         bt_put(e_copy);
1615         bt_put(v_copy);
1616         bt_put(v_selected_copy);
1617         bt_put(v_selected_0_copy);
1618         bt_put(v_selected_1_copy);
1619         bt_put(v_selected_2_copy);
1620         bt_put(v_selected_3_copy);
1621         bt_put(v_selected_4_copy);
1622         bt_put(v_selected_5_copy);
1623         bt_put(v_selected_6_copy);
1624         bt_put(a_copy);
1625         bt_put(a_0_copy);
1626         bt_put(a_1_copy);
1627         bt_put(a_2_copy);
1628         bt_put(a_3_copy);
1629         bt_put(a_4_copy);
1630         bt_put(strct_copy);
1631         bt_put(e_iter);
1632 }
1633
1634 static
1635 void type_field_tests()
1636 {
1637         struct bt_ctf_field *uint_12;
1638         struct bt_ctf_field *int_16;
1639         struct bt_ctf_field *string;
1640         struct bt_ctf_field *enumeration;
1641         struct bt_ctf_field_type *composite_structure_type;
1642         struct bt_ctf_field_type *structure_seq_type;
1643         struct bt_ctf_field_type *string_type;
1644         struct bt_ctf_field_type *sequence_type;
1645         struct bt_ctf_field_type *uint_8_type;
1646         struct bt_ctf_field_type *int_16_type;
1647         struct bt_ctf_field_type *uint_12_type =
1648                 bt_ctf_field_type_integer_create(12);
1649         struct bt_ctf_field_type *enumeration_type;
1650         struct bt_ctf_field_type *returned_type;
1651         const char *ret_string;
1652
1653         returned_type = bt_ctf_field_get_type(NULL);
1654         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1655
1656         ok(uint_12_type, "Create an unsigned integer type");
1657         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1658                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1659                 "Set integer type's base as binary");
1660         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1661                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1662                 "Set integer type's base as decimal");
1663         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1664                 BT_CTF_INTEGER_BASE_UNKNOWN),
1665                 "Reject integer type's base set as unknown");
1666         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1667                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1668                 "Set integer type's base as octal");
1669         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1670                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1671                 "Set integer type's base as hexadecimal");
1672         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1673                 "Reject unknown integer base value");
1674         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1675                 "Set integer type signedness to signed");
1676         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1677                 "Set integer type signedness to unsigned");
1678         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1679                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1680         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1681                 "bt_ctf_field_type_integer_get_size returns a correct value");
1682         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1683                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1684         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1685                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1686
1687         ok(bt_ctf_field_type_set_byte_order(NULL,
1688                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1689                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1690         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1691                 (enum bt_ctf_byte_order) 42) < 0,
1692                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1693         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1694                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1695                 "Set an integer's byte order to little endian");
1696         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1697                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1698                 "Set an integer's byte order to big endian");
1699         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1700                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1701                 "bt_ctf_field_type_get_byte_order returns a correct value");
1702         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1703                 BT_CTF_BYTE_ORDER_UNKNOWN,
1704                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1705
1706         ok(bt_ctf_field_type_get_type_id(NULL) ==
1707                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1708                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1709         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1710                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1711                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1712
1713         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1714                 BT_CTF_INTEGER_BASE_UNKNOWN,
1715                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1716         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1717                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1718                 "bt_ctf_field_type_integer_get_base returns a correct value");
1719
1720         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1721                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1722                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1723         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1724                 (enum bt_ctf_string_encoding) 123) < 0,
1725                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1726         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1727                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1728                 "Set integer type encoding to UTF8");
1729         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1730                 BT_CTF_STRING_ENCODING_UNKNOWN,
1731                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1732         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1733                 BT_CTF_STRING_ENCODING_UTF8,
1734                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1735
1736         int_16_type = bt_ctf_field_type_integer_create(16);
1737         assert(int_16_type);
1738         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1739                 "Set signedness of 16 bit integer to true");
1740         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1741                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1742         uint_8_type = bt_ctf_field_type_integer_create(8);
1743         sequence_type =
1744                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1745         ok(sequence_type, "Create a sequence of int16_t type");
1746         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1747                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1748                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1749
1750         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1751                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1752         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1753                 sequence_type);
1754         ok(!strcmp(ret_string, "seq_len"),
1755                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1756         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1757                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1758         returned_type = bt_ctf_field_type_sequence_get_element_type(
1759                 sequence_type);
1760         ok(returned_type == int_16_type,
1761                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1762         bt_put(returned_type);
1763
1764         string_type = bt_ctf_field_type_string_create();
1765         ok(string_type, "Create a string type");
1766         ok(bt_ctf_field_type_string_set_encoding(string_type,
1767                 BT_CTF_STRING_ENCODING_NONE),
1768                 "Reject invalid \"None\" string encoding");
1769         ok(bt_ctf_field_type_string_set_encoding(string_type,
1770                 42),
1771                 "Reject invalid string encoding");
1772         ok(bt_ctf_field_type_string_set_encoding(string_type,
1773                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1774                 "Set string encoding to ASCII");
1775
1776         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1777                 BT_CTF_STRING_ENCODING_UNKNOWN,
1778                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1779         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1780                 BT_CTF_STRING_ENCODING_ASCII,
1781                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1782
1783         structure_seq_type = bt_ctf_field_type_structure_create();
1784         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1785                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1786                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1787         ok(structure_seq_type, "Create a structure type");
1788         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1789                 uint_8_type, "seq_len") == 0,
1790                 "Add a uint8_t type to a structure");
1791         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1792                 sequence_type, "a_sequence") == 0,
1793                 "Add a sequence type to a structure");
1794
1795         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1796                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1797         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1798                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1799
1800         ok(bt_ctf_field_type_structure_get_field(NULL,
1801                 &ret_string, &returned_type, 1) < 0,
1802                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1803         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1804                 NULL, &returned_type, 1) == 0,
1805                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1806         bt_put(returned_type);
1807         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1808                 &ret_string, NULL, 1) == 0,
1809                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1810         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1811                 &ret_string, &returned_type, 10) < 0,
1812                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1813         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1814                 &ret_string, &returned_type, 1) == 0,
1815                 "bt_ctf_field_type_structure_get_field returns a field");
1816         ok(!strcmp(ret_string, "a_sequence"),
1817                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1818         ok(returned_type == sequence_type,
1819                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1820         bt_put(returned_type);
1821
1822         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1823                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1824         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1825                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1826         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1827                 structure_seq_type, "a_sequence");
1828         ok(returned_type == sequence_type,
1829                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1830         bt_put(returned_type);
1831
1832         composite_structure_type = bt_ctf_field_type_structure_create();
1833         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1834                 string_type, "a_string") == 0,
1835                 "Add a string type to a structure");
1836         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1837                 structure_seq_type, "inner_structure") == 0,
1838                 "Add a structure type to a structure");
1839
1840         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1841                 NULL, "a_sequence") == NULL,
1842                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1843         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1844                 structure_seq_type, NULL) == NULL,
1845                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1846         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1847                 structure_seq_type, "a_sequence");
1848         ok(returned_type == sequence_type,
1849                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1850         bt_put(returned_type);
1851
1852         int_16 = bt_ctf_field_create(int_16_type);
1853         ok(int_16, "Instanciate a signed 16-bit integer");
1854         uint_12 = bt_ctf_field_create(uint_12_type);
1855         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1856         returned_type = bt_ctf_field_get_type(int_16);
1857         ok(returned_type == int_16_type,
1858                 "bt_ctf_field_get_type returns the correct type");
1859
1860         /* Can't modify types after instanciating them */
1861         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1862                 BT_CTF_INTEGER_BASE_DECIMAL),
1863                 "Check an integer type' base can't be modified after instanciation");
1864         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1865                 "Check an integer type's signedness can't be modified after instanciation");
1866
1867         /* Check signed property is checked */
1868         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1869                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1870         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1871                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1872
1873         /* Check overflows are properly tested for */
1874         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1875                 "Check -32768 is allowed for a signed 16-bit integer");
1876         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1877                 "Check 32767 is allowed for a signed 16-bit integer");
1878         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1879                 "Check 32768 is not allowed for a signed 16-bit integer");
1880         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1881                 "Check -32769 is not allowed for a signed 16-bit integer");
1882         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1883                 "Check -42 is allowed for a signed 16-bit integer");
1884
1885         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1886                 "Check 4095 is allowed for an unsigned 12-bit integer");
1887         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1888                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1889         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1890                 "Check 0 is allowed for an unsigned 12-bit integer");
1891
1892         string = bt_ctf_field_create(string_type);
1893         ok(string, "Instanciate a string field");
1894         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1895                 "Set a string's value");
1896
1897         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1898         ok(enumeration_type,
1899                 "Create an enumeration type with an unsigned 12-bit integer as container");
1900         enumeration = bt_ctf_field_create(enumeration_type);
1901         ok(!enumeration,
1902                 "Check enumeration types are validated before instantiation");
1903
1904         bt_put(string);
1905         bt_put(uint_12);
1906         bt_put(int_16);
1907         bt_put(enumeration);
1908         bt_put(composite_structure_type);
1909         bt_put(structure_seq_type);
1910         bt_put(string_type);
1911         bt_put(sequence_type);
1912         bt_put(uint_8_type);
1913         bt_put(int_16_type);
1914         bt_put(uint_12_type);
1915         bt_put(enumeration_type);
1916         bt_put(returned_type);
1917 }
1918
1919 static
1920 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1921                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1922 {
1923         /*
1924          * Append enough events to force the underlying packet to be resized.
1925          * Also tests that a new event can be declared after a stream has been
1926          * instantiated and used/flushed.
1927          */
1928         int ret = 0;
1929         int i;
1930         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1931                 "Spammy_Event");
1932         struct bt_ctf_field_type *integer_type =
1933                 bt_ctf_field_type_integer_create(17);
1934         struct bt_ctf_field_type *string_type =
1935                 bt_ctf_field_type_string_create();
1936         struct bt_ctf_event *event = NULL;
1937         struct bt_ctf_field *ret_field = NULL;
1938         struct bt_ctf_field_type *ret_field_type = NULL;
1939         uint64_t ret_uint64;
1940         int events_appended = 0;
1941         struct bt_ctf_field *packet_context = NULL,
1942                 *packet_context_field = NULL, *stream_event_context = NULL;
1943         struct bt_ctf_field_type *ep_field_1_type = NULL;
1944         struct bt_ctf_field_type *ep_a_string_type = NULL;
1945         struct bt_ctf_field_type *ep_type = NULL;
1946
1947         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1948                 "field_1");
1949         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1950                 "a_string");
1951         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1952         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1953         if (ret) {
1954                 goto end;
1955         }
1956
1957         /*
1958          * bt_ctf_stream_class_add_event_class() copies the field types
1959          * of event_class, so we retrieve the new ones to create the
1960          * appropriate fields.
1961          */
1962         ep_type = bt_ctf_event_class_get_payload_type(event_class);
1963         assert(ep_type);
1964         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
1965                 ep_type, "field_1");
1966         assert(ep_field_1_type);
1967         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
1968                 ep_type, "a_string");
1969         assert(ep_a_string_type);
1970
1971         event = bt_ctf_event_create(event_class);
1972         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1973         ret_field_type = bt_ctf_field_get_type(ret_field);
1974         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
1975                 "bt_ctf_event_get_payload_by_index returns a correct field");
1976         bt_put(ret_field_type);
1977         bt_put(ret_field);
1978
1979         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1980                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1981         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1982                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1983         bt_put(event);
1984
1985         for (i = 0; i < packet_resize_test_length; i++) {
1986                 event = bt_ctf_event_create(event_class);
1987                 struct bt_ctf_field *integer =
1988                         bt_ctf_field_create(ep_field_1_type);
1989                 struct bt_ctf_field *string =
1990                         bt_ctf_field_create(ep_a_string_type);
1991
1992                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1993                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1994                 ret |= bt_ctf_event_set_payload(event, "field_1",
1995                         integer);
1996                 bt_put(integer);
1997                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1998                 ret |= bt_ctf_event_set_payload(event, "a_string",
1999                         string);
2000                 bt_put(string);
2001
2002                 /* Populate stream event context */
2003                 stream_event_context =
2004                         bt_ctf_event_get_stream_event_context(event);
2005                 integer = bt_ctf_field_structure_get_field(stream_event_context,
2006                         "common_event_context");
2007                 BT_PUT(stream_event_context);
2008                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2009                         i % 42);
2010                 bt_put(integer);
2011
2012                 ret |= bt_ctf_stream_append_event(stream, event);
2013                 bt_put(event);
2014
2015                 if (ret) {
2016                         break;
2017                 }
2018         }
2019
2020         events_appended = !!(i == packet_resize_test_length);
2021         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2022                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2023         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2024                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2025         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2026         ok(ret == 0 && ret_uint64 == 0,
2027                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2028         bt_ctf_stream_append_discarded_events(stream, 1000);
2029         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2030         ok(ret == 0 && ret_uint64 == 1000,
2031                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2032
2033 end:
2034         ok(events_appended, "Append 100 000 events to a stream");
2035
2036         /*
2037          * Populate the custom packet context field with a dummy value
2038          * otherwise flush will fail.
2039          */
2040         packet_context = bt_ctf_stream_get_packet_context(stream);
2041         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2042                 "custom_packet_context_field");
2043         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2044
2045         ok(bt_ctf_stream_flush(stream) == 0,
2046                 "Flush a stream that forces a packet resize");
2047         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2048         ok(ret == 0 && ret_uint64 == 1000,
2049                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2050         bt_put(integer_type);
2051         bt_put(string_type);
2052         bt_put(packet_context);
2053         bt_put(packet_context_field);
2054         bt_put(stream_event_context);
2055         bt_put(event_class);
2056         bt_put(ep_field_1_type);
2057         bt_put(ep_a_string_type);
2058         bt_put(ep_type);
2059 }
2060
2061 static
2062 void test_empty_stream(struct bt_ctf_writer *writer)
2063 {
2064         int ret = 0;
2065         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2066         struct bt_ctf_stream_class *stream_class = NULL;
2067         struct bt_ctf_stream *stream = NULL;
2068
2069         trace = bt_ctf_writer_get_trace(writer);
2070         if (!trace) {
2071                 diag("Failed to get trace from writer");
2072                 ret = -1;
2073                 goto end;
2074         }
2075
2076         stream_class = bt_ctf_stream_class_create("empty_stream");
2077         if (!stream_class) {
2078                 diag("Failed to create stream class");
2079                 ret = -1;
2080                 goto end;
2081         }
2082
2083         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2084         assert(ret == 0);
2085         ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL);
2086         assert(ret == 0);
2087
2088         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2089                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2090         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2091                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2092
2093         stream = bt_ctf_writer_create_stream(writer, stream_class);
2094         if (!stream) {
2095                 diag("Failed to create writer stream");
2096                 ret = -1;
2097                 goto end;
2098         }
2099
2100         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2101         ok(ret_trace == trace,
2102                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2103 end:
2104         ok(ret == 0,
2105                 "Created a stream class with default attributes and an empty stream");
2106         bt_put(trace);
2107         bt_put(ret_trace);
2108         bt_put(stream);
2109         bt_put(stream_class);
2110 }
2111
2112 static
2113 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2114                         struct bt_ctf_clock *clock)
2115 {
2116         int i, ret;
2117         struct bt_ctf_stream_class *stream_class = NULL;
2118         struct bt_ctf_stream *stream = NULL;
2119         struct bt_ctf_field_type *integer_type = NULL,
2120                 *sequence_type = NULL, *event_header_type = NULL;
2121         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2122                 *event_header = NULL, *packet_header = NULL;
2123         struct bt_ctf_event_class *event_class = NULL;
2124         struct bt_ctf_event *event = NULL;
2125
2126         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2127         if (!stream_class) {
2128                 fail("Failed to create stream class");
2129                 goto end;
2130         }
2131
2132         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2133         if (ret) {
2134                 fail("Failed to set stream class clock");
2135                 goto end;
2136         }
2137
2138         /*
2139          * Customize event header to add an "seq_len" integer member
2140          * which will be used as the length of a sequence in an event of this
2141          * stream.
2142          */
2143         event_header_type = bt_ctf_stream_class_get_event_header_type(
2144                 stream_class);
2145         if (!event_header_type) {
2146                 fail("Failed to get event header type");
2147                 goto end;
2148         }
2149
2150         integer_type = bt_ctf_field_type_integer_create(13);
2151         if (!integer_type) {
2152                 fail("Failed to create length integer type");
2153                 goto end;
2154         }
2155
2156         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2157                 integer_type, "seq_len");
2158         if (ret) {
2159                 fail("Failed to add a new field to stream event header");
2160                 goto end;
2161         }
2162
2163         event_class = bt_ctf_event_class_create("sequence_event");
2164         if (!event_class) {
2165                 fail("Failed to create event class");
2166                 goto end;
2167         }
2168
2169         /*
2170          * This event's payload will contain a sequence which references
2171          * stream.event.header.seq_len as its length field.
2172          */
2173         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2174                 "stream.event.header.seq_len");
2175         if (!sequence_type) {
2176                 fail("Failed to create a sequence");
2177                 goto end;
2178         }
2179
2180         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2181                 "some_sequence");
2182         if (ret) {
2183                 fail("Failed to add a sequence to an event class");
2184                 goto end;
2185         }
2186
2187         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2188         if (ret) {
2189                 fail("Failed to add event class to stream class");
2190                 goto end;
2191         }
2192
2193         stream = bt_ctf_writer_create_stream(writer, stream_class);
2194         if (!stream) {
2195                 fail("Failed to create stream")
2196                 goto end;
2197         }
2198
2199         /*
2200          * We have defined a custom packet header field. We have to populate it
2201          * explicitly.
2202          */
2203         packet_header = bt_ctf_stream_get_packet_header(stream);
2204         if (!packet_header) {
2205                 fail("Failed to get stream packet header");
2206                 goto end;
2207         }
2208
2209         integer = bt_ctf_field_structure_get_field(packet_header,
2210                 "custom_trace_packet_header_field");
2211         if (!integer) {
2212                 fail("Failed to retrieve custom_trace_packet_header_field");
2213                 goto end;
2214         }
2215
2216         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2217         if (ret) {
2218                 fail("Failed to set custom_trace_packet_header_field value");
2219                 goto end;
2220         }
2221         bt_put(integer);
2222
2223         event = bt_ctf_event_create(event_class);
2224         if (!event) {
2225                 fail("Failed to create event");
2226                 goto end;
2227         }
2228
2229         event_header = bt_ctf_event_get_header(event);
2230         if (!event_header) {
2231                 fail("Failed to get event header");
2232                 goto end;
2233         }
2234
2235         integer = bt_ctf_field_structure_get_field(event_header,
2236                 "seq_len");
2237         if (!integer) {
2238                 fail("Failed to get seq_len field from event header");
2239                 goto end;
2240         }
2241
2242         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2243         if (ret) {
2244                 fail("Failed to set seq_len value in event header");
2245                 goto end;
2246         }
2247
2248         /* Populate both sequence integer fields */
2249         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2250         if (!sequence) {
2251                 fail("Failed to retrieve sequence from event");
2252                 goto end;
2253         }
2254
2255         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2256         if (ret) {
2257                 fail("Failed to set sequence length");
2258                 goto end;
2259         }
2260         bt_put(integer);
2261
2262         for (i = 0; i < 2; i++) {
2263                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2264                 if (ret) {
2265                         fail("Failed to retrieve sequence element");
2266                         goto end;
2267                 }
2268
2269                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2270                 if (ret) {
2271                         fail("Failed to set sequence element value");
2272                         goto end;
2273                 }
2274
2275                 bt_put(integer);
2276                 integer = NULL;
2277         }
2278
2279         ret = bt_ctf_stream_append_event(stream, event);
2280         if (ret) {
2281                 fail("Failed to append event to stream");
2282                 goto end;
2283         }
2284
2285         ret = bt_ctf_stream_flush(stream);
2286         if (ret) {
2287                 fail("Failed to flush custom_event_header stream");
2288         }
2289 end:
2290         bt_put(stream);
2291         bt_put(stream_class);
2292         bt_put(event_class);
2293         bt_put(event);
2294         bt_put(integer);
2295         bt_put(sequence);
2296         bt_put(event_header);
2297         bt_put(packet_header);
2298         bt_put(sequence_type);
2299         bt_put(integer_type);
2300         bt_put(event_header_type);
2301 }
2302
2303 static
2304 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2305                 struct bt_ctf_clock *clock)
2306 {
2307         int ret = 0;
2308         struct bt_ctf_stream_class *stream_class = NULL;
2309         struct bt_ctf_stream *stream = NULL,
2310                 *ret_stream = NULL;
2311         struct bt_ctf_event_class *event_class = NULL;
2312         struct bt_ctf_event *event = NULL;
2313         struct bt_ctf_field_type *integer_type = NULL;
2314         struct bt_ctf_field *integer = NULL;
2315
2316         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2317         if (!stream_class) {
2318                 diag("Failed to create stream class");
2319                 ret = -1;
2320                 goto end;
2321         }
2322
2323         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2324         if (ret) {
2325                 diag("Failed to set stream class clock");
2326                 goto end;
2327         }
2328
2329         event_class = bt_ctf_event_class_create("some_event_class_name");
2330         integer_type = bt_ctf_field_type_integer_create(32);
2331         if (!integer_type) {
2332                 diag("Failed to create integer field type");
2333                 ret = -1;
2334                 goto end;
2335         }
2336
2337         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2338                 "integer_field");
2339         if (ret) {
2340                 diag("Failed to add field to event class");
2341                 goto end;
2342         }
2343
2344         ret = bt_ctf_stream_class_add_event_class(stream_class,
2345                 event_class);
2346         if (ret) {
2347                 diag("Failed to add event class to stream class");
2348         }
2349
2350         event = bt_ctf_event_create(event_class);
2351         if (!event) {
2352                 diag("Failed to create event");
2353                 ret = -1;
2354                 goto end;
2355         }
2356
2357         integer = bt_ctf_event_get_payload_by_index(event, 0);
2358         if (!integer) {
2359                 diag("Failed to get integer field payload from event");
2360                 ret = -1;
2361                 goto end;
2362         }
2363
2364         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2365         if (ret) {
2366                 diag("Failed to set integer field value");
2367                 goto end;
2368         }
2369
2370         stream = bt_ctf_writer_create_stream(writer, stream_class);
2371         if (!stream) {
2372                 diag("Failed to create writer stream");
2373                 ret = -1;
2374                 goto end;
2375         }
2376
2377         ok(bt_ctf_event_get_stream(NULL) == NULL,
2378                 "bt_ctf_event_get_stream handles NULL correctly");
2379         ok(bt_ctf_event_get_stream(event) == NULL,
2380                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2381
2382         ret = bt_ctf_stream_append_event(stream, event);
2383         if (ret) {
2384                 diag("Failed to append event to stream");
2385                 goto end;
2386         }
2387
2388         ret_stream = bt_ctf_event_get_stream(event);
2389         ok(ret_stream == stream,
2390                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2391 end:
2392         ok(ret == 0,
2393                 "Create an event before instanciating its associated stream");
2394         bt_put(stream);
2395         bt_put(ret_stream);
2396         bt_put(stream_class);
2397         bt_put(event_class);
2398         bt_put(event);
2399         bt_put(integer_type);
2400         bt_put(integer);
2401 }
2402
2403 static
2404 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2405 {
2406         struct bt_ctf_event_class *event_class;
2407
2408         event_class = bt_ctf_event_class_create("Simple Event");
2409         assert(event_class);
2410         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2411                 "two event classes with the same name may cohabit within the same stream class");
2412         bt_put(event_class);
2413
2414         event_class = bt_ctf_event_class_create("different name, ok");
2415         assert(event_class);
2416         assert(!bt_ctf_event_class_set_id(event_class, 13));
2417         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2418                 "two event classes with the same ID cannot cohabit within the same stream class");
2419         bt_put(event_class);
2420 }
2421
2422 static
2423 struct bt_ctf_event_class *create_minimal_event_class(void)
2424 {
2425         struct bt_ctf_event_class *ec = NULL;
2426         struct bt_ctf_field_type *int_ft = NULL;
2427         int ret;
2428
2429         int_ft = bt_ctf_field_type_integer_create(23);
2430         assert(int_ft);
2431         ec = bt_ctf_event_class_create("minimal");
2432         assert(ec);
2433         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2434         assert(!ret);
2435         BT_PUT(int_ft);
2436
2437         return ec;
2438 }
2439
2440 static
2441 void test_create_writer_vs_non_writer_mode(void)
2442 {
2443         int ret;
2444         gchar *trace_path;
2445         const char *writer_stream_name = "writer stream instance";
2446         struct bt_ctf_writer *writer = NULL;
2447         struct bt_ctf_trace *writer_trace = NULL;
2448         struct bt_ctf_stream_class *writer_sc = NULL;
2449         struct bt_ctf_stream *writer_stream = NULL;
2450         struct bt_ctf_stream *writer_stream2 = NULL;
2451         struct bt_ctf_stream *packet_stream = NULL;
2452         struct bt_ctf_trace *non_writer_trace = NULL;
2453         struct bt_ctf_stream_class *non_writer_sc = NULL;
2454         struct bt_ctf_stream *non_writer_stream = NULL;
2455         struct bt_ctf_stream *non_writer_stream2 = NULL;
2456         struct bt_ctf_event_class *writer_ec = NULL;
2457         struct bt_ctf_event_class *non_writer_ec = NULL;
2458         struct bt_ctf_event *event = NULL;
2459         struct bt_ctf_event *event2 = NULL;
2460         struct bt_ctf_field_type *empty_struct_ft = NULL;
2461         struct bt_ctf_field *int_field = NULL;
2462         struct bt_ctf_clock *writer_clock = NULL;
2463         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2464         struct bt_ctf_packet *packet = NULL;
2465         struct bt_ctf_packet *packet2 = NULL;
2466
2467         trace_path = g_build_filename(g_get_tmp_dir(), "ctfwriter_XXXXXX", NULL);
2468         if (!bt_mkdtemp(trace_path)) {
2469                 perror("# perror");
2470         }
2471
2472         /* Create empty structure field type (event header) */
2473         empty_struct_ft = bt_ctf_field_type_structure_create();
2474         assert(empty_struct_ft);
2475
2476         /* Create writer, writer stream class, stream, and clock */
2477         writer = bt_ctf_writer_create(trace_path);
2478         assert(writer);
2479         writer_clock = bt_ctf_clock_create("writer_clock");
2480         assert(writer_clock);
2481         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2482         assert(!ret);
2483         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2484         assert(!ret);
2485         writer_trace = bt_ctf_writer_get_trace(writer);
2486         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2487         writer_sc = bt_ctf_stream_class_create("writer_sc");
2488         assert(writer_sc);
2489         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2490                 empty_struct_ft);
2491         assert(!ret);
2492         ret = bt_ctf_stream_class_set_clock(writer_sc, writer_clock);
2493         assert(!ret);
2494         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2495         assert(!ret);
2496         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2497         assert(writer_stream);
2498         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2499                 "bt_ctf_stream_get_name() returns the stream's name");
2500
2501         /* Create non-writer trace, stream class, stream, and clock */
2502         non_writer_trace = bt_ctf_trace_create();
2503         assert(non_writer_trace);
2504         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2505         assert(non_writer_sc);
2506         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2507                 empty_struct_ft);
2508         assert(!ret);
2509         ret = bt_ctf_stream_class_set_packet_context_type(non_writer_sc, NULL);
2510         assert(!ret);
2511         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2512         assert(!ret);
2513         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2514         assert(non_writer_stream);
2515         non_writer_clock_class =
2516                 bt_ctf_clock_class_create("non_writer_clock_class",
2517                         1000000000);
2518         assert(non_writer_clock_class);
2519         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2520                 non_writer_clock_class);
2521         assert(!ret);
2522
2523         /* Create event class and event */
2524         writer_ec = create_minimal_event_class();
2525         assert(writer_ec);
2526         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2527         assert(!ret);
2528         event = bt_ctf_event_create(writer_ec);
2529         assert(event);
2530         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2531         assert(int_field);
2532         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2533
2534         /*
2535          * Verify non-writer stream: it should be impossible to append
2536          * an event to it.
2537          */
2538         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2539                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2540
2541         /*
2542          * Verify writer stream: it should be possible to append an
2543          * event to it.
2544          */
2545         ok(!bt_ctf_stream_append_event(writer_stream, event),
2546                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2547
2548         /*
2549          * It should be possible to create a packet from a non-writer
2550          * stream, but not from a writer stream.
2551          */
2552         packet = bt_ctf_packet_create(writer_stream);
2553         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2554         packet = bt_ctf_packet_create(non_writer_stream);
2555         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2556         packet_stream = bt_ctf_packet_get_stream(packet);
2557         ok(packet_stream == non_writer_stream,
2558                 "bt_ctf_packet_get_stream() returns the correct stream");
2559
2560         /*
2561          * It should not be possible to append an event associated to
2562          * a stream to a different stream.
2563          */
2564         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2565         assert(writer_stream2);
2566         ok(bt_ctf_stream_append_event(writer_stream2, event),
2567                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2568
2569         /*
2570          * It should not be possible to set the packet of an event
2571          * associated to a given stream to a packet associated with
2572          * a different stream.
2573          */
2574         ok(bt_ctf_event_set_packet(event, packet),
2575                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2576
2577         /*
2578          * It should be possible to set the packet of a fresh event, as
2579          * long as the originating stream classes are the same.
2580          */
2581         event2 = bt_ctf_event_create(writer_ec);
2582         assert(event2);
2583         ok(bt_ctf_event_set_packet(event2, packet),
2584                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2585         non_writer_ec = create_minimal_event_class();
2586         assert(non_writer_ec);
2587         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2588         assert(!ret);
2589         BT_PUT(event2);
2590         event2 = bt_ctf_event_create(non_writer_ec);
2591         assert(event2);
2592         ok(!bt_ctf_event_set_packet(event2, packet),
2593                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2594
2595         /*
2596          * It should be possible to set a packet created from the same
2597          * stream to an event with an existing packet.
2598          */
2599         packet2 = bt_ctf_packet_create(non_writer_stream);
2600         assert(packet2);
2601         ok(!bt_ctf_event_set_packet(event2, packet2),
2602                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2603         BT_PUT(packet2);
2604
2605         /*
2606          * It should not be possible to set a packet created from a
2607          * different stream to an event with an existing packet.
2608          */
2609         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2610         assert(non_writer_stream2);
2611         packet2 = bt_ctf_packet_create(non_writer_stream);
2612         assert(packet2);
2613         ok(!bt_ctf_event_set_packet(event2, packet2),
2614                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2615
2616         bt_put(writer);
2617         bt_put(writer_trace);
2618         bt_put(writer_sc);
2619         bt_put(writer_stream);
2620         bt_put(writer_stream2);
2621         bt_put(non_writer_trace);
2622         bt_put(non_writer_sc);
2623         bt_put(non_writer_stream);
2624         bt_put(non_writer_stream2);
2625         bt_put(packet_stream);
2626         bt_put(writer_ec);
2627         bt_put(non_writer_ec);
2628         bt_put(event);
2629         bt_put(event2);
2630         bt_put(int_field);
2631         bt_put(empty_struct_ft);
2632         bt_put(writer_clock);
2633         bt_put(non_writer_clock_class);
2634         bt_put(packet);
2635         bt_put(packet2);
2636         recursive_rmdir(trace_path);
2637         g_free(trace_path);
2638 }
2639
2640 static
2641 void test_clock_utils(void)
2642 {
2643         int ret;
2644         struct bt_ctf_clock *clock = NULL;
2645
2646         clock = bt_ctf_clock_create("water");
2647         assert(clock);
2648         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2649         assert(!ret);
2650         ret = bt_ctf_clock_set_offset(clock, 1000);
2651         assert(!ret);
2652         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2653         assert(!ret);
2654         ret = bt_ctf_clock_set_frequency(clock, 1534);
2655         assert(!ret);
2656
2657         BT_PUT(clock);
2658 }
2659
2660 void test_set_clock_non_writer_stream_class(void)
2661 {
2662         struct bt_ctf_clock *clock;
2663         struct bt_ctf_trace *trace;
2664         struct bt_ctf_stream_class *sc;
2665         int ret;
2666
2667         clock = bt_ctf_clock_create("the_clock");
2668         assert(clock);
2669
2670         trace = bt_ctf_trace_create();
2671         assert(trace);
2672
2673         sc = bt_ctf_stream_class_create(NULL);
2674         assert(sc);
2675
2676         ret = bt_ctf_stream_class_set_clock(sc, clock);
2677         assert(ret == 0);
2678
2679         ret = bt_ctf_trace_add_stream_class(trace, sc);
2680         ok(ret < 0,
2681                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2682
2683         bt_put(clock);
2684         bt_put(trace);
2685         bt_put(sc);
2686 }
2687
2688 static
2689 void test_static_trace(void)
2690 {
2691         struct bt_ctf_trace *trace;
2692         struct bt_ctf_stream_class *stream_class;
2693         struct bt_ctf_stream_class *stream_class2;
2694         struct bt_ctf_stream *stream;
2695         struct bt_ctf_clock_class *clock_class;
2696         int ret;
2697
2698         trace = bt_ctf_trace_create();
2699         assert(trace);
2700         stream_class = bt_ctf_stream_class_create(NULL);
2701         assert(stream_class);
2702         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2703         assert(ret == 0);
2704         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2705         assert(ret == 0);
2706         stream = bt_ctf_stream_create(stream_class, "hello");
2707         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2708         bt_put(stream);
2709         ok(!bt_ctf_trace_is_static(trace),
2710                 "bt_ctf_trace_is_static() returns the expected value");
2711         ok(bt_ctf_trace_set_is_static(trace) == 0,
2712                 "bt_ctf_trace_set_is_static() succeeds");
2713         ok(bt_ctf_trace_is_static(trace),
2714                 "bt_ctf_trace_is_static() returns the expected value");
2715         clock_class = bt_ctf_clock_class_create("yes", 1000000000);
2716         assert(clock_class);
2717         stream_class2 = bt_ctf_stream_class_create(NULL);
2718         assert(stream_class2);
2719         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2720                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2721         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2722                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2723         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2724                 "bt_ctf_stream_create() fails with a static trace");
2725
2726         bt_put(trace);
2727         bt_put(stream_class);
2728         bt_put(stream_class2);
2729         bt_put(clock_class);
2730 }
2731
2732 static
2733 void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
2734 {
2735         *((int *) data) |= 1;
2736 }
2737
2738 static
2739 void trace_listener_removed(struct bt_ctf_trace *trace, void *data)
2740 {
2741         *((int *) data) |= 2;
2742 }
2743
2744 static
2745 void test_trace_is_static_listener(void)
2746 {
2747         struct bt_ctf_trace *trace;
2748         int ret;
2749         int called1 = 0;
2750         int called2 = 0;
2751         int called3 = 0;
2752         int called4 = 0;
2753         int listener1_id;
2754         int listener2_id;
2755         int listener3_id;
2756         int listener4_id;
2757
2758         trace = bt_ctf_trace_create();
2759         assert(trace);
2760         ret = bt_ctf_trace_add_is_static_listener(NULL,
2761                 trace_is_static_listener, trace_listener_removed, &called1);
2762         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (trace)");
2763         ret = bt_ctf_trace_add_is_static_listener(trace, NULL,
2764                 trace_listener_removed, &called1);
2765         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (listener)");
2766         listener1_id = bt_ctf_trace_add_is_static_listener(trace,
2767                 trace_is_static_listener, trace_listener_removed, &called1);
2768         ok(listener1_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (1)");
2769         listener2_id = bt_ctf_trace_add_is_static_listener(trace,
2770                 trace_is_static_listener, trace_listener_removed, &called2);
2771         ok(listener2_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (2)");
2772         listener3_id = bt_ctf_trace_add_is_static_listener(trace,
2773                 trace_is_static_listener, trace_listener_removed, &called3);
2774         ok(listener3_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (3)");
2775         ret = bt_ctf_trace_remove_is_static_listener(NULL, 0);
2776         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles NULL (trace)");
2777         ret = bt_ctf_trace_remove_is_static_listener(trace, -2);
2778         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (negative)");
2779         ret = bt_ctf_trace_remove_is_static_listener(trace, 77);
2780         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (non existing)");
2781         ret = bt_ctf_trace_remove_is_static_listener(trace, listener2_id);
2782         ok(ret == 0, "bt_ctf_trace_remove_is_static_listener() succeeds");
2783         ok(called2 == 2, "bt_ctf_trace_remove_is_static_listener() calls the remove listener");
2784         listener4_id = bt_ctf_trace_add_is_static_listener(trace,
2785                 trace_is_static_listener, NULL, &called4);
2786         ok(listener4_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (4)");
2787         ok(called1 == 0, "\"trace is static\" listener not called before the trace is made static (1)");
2788         ok(called2 == 2, "\"trace is static\" listener not called before the trace is made static (2)");
2789         ok(called3 == 0, "\"trace is static\" listener not called before the trace is made static (3)");
2790         ok(called4 == 0, "\"trace is static\" listener not called before the trace is made static (4)");
2791         ret = bt_ctf_trace_set_is_static(trace);
2792         assert(ret == 0);
2793         ret = bt_ctf_trace_add_is_static_listener(trace,
2794                 trace_is_static_listener, trace_listener_removed, &called1);
2795         ok(ret < 0,
2796                 "bt_ctf_trace_add_is_static_listener() fails when the trace is static");
2797         ok(called1 == 1, "\"trace is static\" listener called when the trace is made static (1)");
2798         ok(called2 == 2, "\"trace is static\" listener not called when the trace is made static (2)");
2799         ok(called3 == 1, "\"trace is static\" listener called when the trace is made static (3)");
2800         ok(called4 == 1, "\"trace is static\" listener called when the trace is made static (4)");
2801         called1 = 0;
2802         called2 = 0;
2803         called3 = 0;
2804         called4 = 0;
2805         bt_put(trace);
2806         ok(called1 == 2, "\"trace is static\" listener not called after the trace is put (1)");
2807         ok(called2 == 0, "\"trace is static\" listener not called after the trace is put (2)");
2808         ok(called3 == 2, "\"trace is static\" listener not called after the trace is put (3)");
2809         ok(called4 == 0, "\"trace is static\" listener not called after the trace is put (4)");
2810 }
2811
2812 static
2813 void test_trace_uuid(void)
2814 {
2815         struct bt_ctf_trace *trace;
2816         const unsigned char uuid[] = {
2817                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2818                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2819         };
2820         const unsigned char *ret_uuid;
2821
2822         trace = bt_ctf_trace_create();
2823         assert(trace);
2824         ok(!bt_ctf_trace_get_uuid(NULL),
2825                 "bt_ctf_trace_get_uuid() handles NULL");
2826         ok(!bt_ctf_trace_get_uuid(trace),
2827                 "bt_ctf_trace_get_uuid() returns NULL initially");
2828         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2829                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2830         ok(bt_ctf_trace_set_uuid(trace, NULL),
2831                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2832         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2833                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2834         ret_uuid = bt_ctf_trace_get_uuid(trace);
2835         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2836         assert(ret_uuid);
2837         ok(memcmp(uuid, ret_uuid, 16) == 0,
2838                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2839
2840         bt_put(trace);
2841 }
2842
2843 int main(int argc, char **argv)
2844 {
2845         const char *env_resize_length;
2846         gchar *trace_path;
2847         gchar *metadata_path;
2848         const char *clock_name = "test_clock";
2849         const char *clock_description = "This is a test clock";
2850         const char *returned_clock_name;
2851         const char *returned_clock_description;
2852         const uint64_t frequency = 1123456789;
2853         const int64_t offset_s = 13515309;
2854         const int64_t offset = 1234567;
2855         int64_t get_offset_s,
2856                 get_offset;
2857         const uint64_t precision = 10;
2858         const int is_absolute = 0xFF;
2859         char *metadata_string;
2860         struct bt_ctf_writer *writer;
2861         struct bt_utsname name = {"GNU/Linux", "testhost", "4.4.0-87-generic",
2862                 "#110-Ubuntu SMP Tue Jul 18 12:55:35 UTC 2017", "x86_64"};
2863         struct bt_ctf_clock *clock, *ret_clock;
2864         struct bt_ctf_clock_class *ret_clock_class;
2865         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2866         struct bt_ctf_stream *stream1;
2867         struct bt_ctf_stream *stream;
2868         const char *ret_string;
2869         const unsigned char *ret_uuid;
2870         unsigned char tmp_uuid[16] = { 0 };
2871         struct bt_ctf_field_type *packet_context_type,
2872                 *packet_context_field_type,
2873                 *packet_header_type,
2874                 *packet_header_field_type,
2875                 *integer_type,
2876                 *stream_event_context_type,
2877                 *ret_field_type,
2878                 *event_header_field_type;
2879         struct bt_ctf_field *packet_header, *packet_header_field;
2880         struct bt_ctf_trace *trace;
2881         int ret;
2882         int64_t ret_int64_t;
2883         struct bt_value *obj;
2884
2885         if (argc < 2) {
2886                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2887                 return -1;
2888         }
2889
2890         env_resize_length = getenv("PACKET_RESIZE_TEST_LENGTH");
2891         if (env_resize_length) {
2892                 packet_resize_test_length =
2893                         (unsigned int) atoi(env_resize_length);
2894         }
2895
2896         plan_tests(NR_TESTS);
2897
2898         trace_path = g_build_filename(g_get_tmp_dir(), "ctfwriter_XXXXXX", NULL);
2899         if (!bt_mkdtemp(trace_path)) {
2900                 perror("# perror");
2901         }
2902
2903         metadata_path = g_build_filename(trace_path, "metadata", NULL);
2904
2905         writer = bt_ctf_writer_create(trace_path);
2906         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2907
2908         ok(!bt_ctf_writer_get_trace(NULL),
2909                 "bt_ctf_writer_get_trace correctly handles NULL");
2910         trace = bt_ctf_writer_get_trace(writer);
2911         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE),
2912                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_NATIVE");
2913         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_UNSPECIFIED),
2914                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_UNSPECIFIED");
2915         ok(trace,
2916                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2917         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2918                 "Set a trace's byte order to big endian");
2919         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2920                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2921
2922         /* Add environment context to the trace */
2923         ok(bt_ctf_writer_add_environment_field(writer, "host", name.nodename) == 0,
2924                 "Add host (%s) environment field to writer instance",
2925                 name.nodename);
2926         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2927                 "test_value"),
2928                 "bt_ctf_writer_add_environment_field error with NULL writer");
2929         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2930                 "test_value"),
2931                 "bt_ctf_writer_add_environment_field error with NULL field name");
2932         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2933                 NULL),
2934                 "bt_ctf_writer_add_environment_field error with NULL field value");
2935
2936         /* Test bt_ctf_trace_set_environment_field with an integer object */
2937         obj = bt_value_integer_create_init(23);
2938         assert(obj);
2939         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2940                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2941         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2942                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2943         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2944                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2945         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2946                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2947         BT_PUT(obj);
2948
2949         /* Test bt_ctf_trace_set_environment_field with a string object */
2950         obj = bt_value_string_create_init("the value");
2951         assert(obj);
2952         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2953                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2954         BT_PUT(obj);
2955
2956         /* Test bt_ctf_trace_set_environment_field_integer */
2957         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2958                 -194875),
2959                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2960         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2961                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2962         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2963                 -164973),
2964                 "bt_ctf_trace_set_environment_field_integer succeeds");
2965
2966         /* Test bt_ctf_trace_set_environment_field_string */
2967         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2968                 "yeah"),
2969                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2970         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2971                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2972         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2973                 NULL),
2974                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2975         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2976                 "oh yeah"),
2977                 "bt_ctf_trace_set_environment_field_string succeeds");
2978
2979         /* Test bt_ctf_trace_get_environment_field_count */
2980         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2981                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2982         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2983                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2984
2985         /* Test bt_ctf_trace_get_environment_field_name */
2986         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2987                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2988         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2989                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2990         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2991         ok(ret_string && !strcmp(ret_string, "host"),
2992                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2993         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2994         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
2995                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2996         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 2);
2997         ok(ret_string && !strcmp(ret_string, "test_env_str_obj"),
2998                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2999         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 3);
3000         ok(ret_string && !strcmp(ret_string, "test_env_int"),
3001                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3002         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 4);
3003         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3004                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3005
3006         /* Test bt_ctf_trace_get_environment_field_value */
3007         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
3008                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3009         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3010                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3011         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3012         ret = bt_value_integer_get(obj, &ret_int64_t);
3013         ok(!ret && ret_int64_t == 23,
3014                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3015         BT_PUT(obj);
3016         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3017         ret = bt_value_string_get(obj, &ret_string);
3018         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3019                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3020         BT_PUT(obj);
3021
3022         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3023         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3024                 "test_env_str"),
3025                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3026         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3027                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3028         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3029                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3030         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3031                 "test_env_str");
3032         ret = bt_value_string_get(obj, &ret_string);
3033         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3034                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3035         BT_PUT(obj);
3036
3037         /* Test environment field replacement */
3038         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3039                 654321),
3040                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3041         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3042                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3043         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3044         ret = bt_value_integer_get(obj, &ret_int64_t);
3045         ok(!ret && ret_int64_t == 654321,
3046                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3047         BT_PUT(obj);
3048
3049         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3050                 == 0, "Add sysname (%s) environment field to writer instance",
3051                 name.sysname);
3052         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3053                 name.nodename) == 0,
3054                 "Add nodename (%s) environment field to writer instance",
3055                 name.nodename);
3056         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3057                 == 0, "Add release (%s) environment field to writer instance",
3058                 name.release);
3059         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3060                 == 0, "Add version (%s) environment field to writer instance",
3061                 name.version);
3062         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3063                 == 0, "Add machine (%s) environment field to writer istance",
3064                 name.machine);
3065
3066         /* Define a clock and add it to the trace */
3067         ok(bt_ctf_clock_create("signed") == NULL,
3068                 "Illegal clock name rejected");
3069         clock = bt_ctf_clock_create(clock_name);
3070         ok(clock, "Clock created sucessfully");
3071         returned_clock_name = bt_ctf_clock_get_name(clock);
3072         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3073         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3074                 "Returned clock name is valid");
3075
3076         returned_clock_description = bt_ctf_clock_get_description(clock);
3077         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3078         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3079                 "Clock description set successfully");
3080
3081         returned_clock_description = bt_ctf_clock_get_description(clock);
3082         ok(returned_clock_description,
3083                 "bt_ctf_clock_get_description returns a description.");
3084         ok(returned_clock_description ?
3085                 !strcmp(returned_clock_description, clock_description) : 0,
3086                 "Returned clock description is valid");
3087
3088         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3089                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3090         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3091                 "Set clock frequency");
3092         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3093                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3094
3095         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3096                 "bt_ctf_clock_get_offset_s succeeds");
3097         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3098                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3099         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3100                 "Set clock offset (seconds)");
3101         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3102                 "bt_ctf_clock_get_offset_s succeeds");
3103         ok(get_offset_s == offset_s,
3104                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3105
3106         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3107                 "bt_ctf_clock_get_offset succeeds");
3108         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3109                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3110         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3111         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3112                 "bt_ctf_clock_get_offset succeeds");
3113         ok(get_offset == offset,
3114                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3115
3116         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3117                 "bt_ctf_clock_get_precision returns the correct default precision");
3118         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3119                 "Set clock precision");
3120         ok(bt_ctf_clock_get_precision(clock) == precision,
3121                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3122
3123         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3124                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3125         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3126                 "Set clock absolute property");
3127         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3128                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3129
3130         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3131                 "Set clock time");
3132
3133         ok(!bt_ctf_clock_get_name(NULL),
3134                 "bt_ctf_clock_get_name correctly handles NULL");
3135         ok(!bt_ctf_clock_get_description(NULL),
3136                 "bt_ctf_clock_get_description correctly handles NULL");
3137         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3138                 "bt_ctf_clock_get_frequency correctly handles NULL");
3139         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3140                 "bt_ctf_clock_get_precision correctly handles NULL");
3141         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3142                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3143         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3144                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3145         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3146                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3147         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3148                 "bt_ctf_clock_get_offset correctly handles NULL output");
3149         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3150                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3151
3152         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3153                 "bt_ctf_clock_set_description correctly handles NULL clock");
3154         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3155                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3156         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3157                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3158         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3159                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3160         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3161                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3162         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3163                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3164         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3165                 "bt_ctf_clock_set_time correctly handles NULL clock");
3166         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3167                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3168         ret_uuid = bt_ctf_clock_get_uuid(clock);
3169         ok(ret_uuid,
3170                 "bt_ctf_clock_get_uuid returns a UUID");
3171         if (ret_uuid) {
3172                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3173                 /* Slightly modify UUID */
3174                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3175         }
3176
3177         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3178                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3179         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3180                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3181         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3182                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3183         ret_uuid = bt_ctf_clock_get_uuid(clock);
3184         ok(ret_uuid,
3185                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3186         ok(uuid_match(ret_uuid, tmp_uuid),
3187                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3188
3189         /* Define a stream class */
3190         stream_class = bt_ctf_stream_class_create("test_stream");
3191
3192         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3193                 "bt_ctf_stream_class_get_name handles NULL correctly");
3194         ret_string = bt_ctf_stream_class_get_name(stream_class);
3195         ok(ret_string && !strcmp(ret_string, "test_stream"),
3196                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3197
3198         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3199                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3200         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3201                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3202
3203         ok(stream_class, "Create stream class");
3204         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3205                 "Set a stream class' clock");
3206         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3207         ok(ret_clock == clock,
3208                 "bt_ctf_stream_class_get_clock returns a correct clock");
3209         bt_put(ret_clock);
3210
3211         /* Test the event fields and event types APIs */
3212         type_field_tests();
3213
3214         /* Test fields copying */
3215         field_copy_tests();
3216
3217         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3218                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3219         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3220                 "bt_ctf_stream_class_get_id handles NULL correctly");
3221         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3222                 "bt_ctf_stream_class_set_id handles NULL correctly");
3223         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3224                 "Set an stream class' id");
3225         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3226                 "bt_ctf_stream_class_get_id returns the correct value");
3227
3228         /* Validate default event header fields */
3229         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3230                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3231         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3232                 stream_class);
3233         ok(ret_field_type,
3234                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3235         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3236                 "Default event header type is a structure");
3237         event_header_field_type =
3238                 bt_ctf_field_type_structure_get_field_type_by_name(
3239                 ret_field_type, "id");
3240         ok(event_header_field_type,
3241                 "Default event header type contains an \"id\" field");
3242         ok(bt_ctf_field_type_get_type_id(
3243                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3244                 "Default event header \"id\" field is an integer");
3245         bt_put(event_header_field_type);
3246         event_header_field_type =
3247                 bt_ctf_field_type_structure_get_field_type_by_name(
3248                 ret_field_type, "timestamp");
3249         ok(event_header_field_type,
3250                 "Default event header type contains a \"timestamp\" field");
3251         ok(bt_ctf_field_type_get_type_id(
3252                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3253                 "Default event header \"timestamp\" field is an integer");
3254         bt_put(event_header_field_type);
3255         bt_put(ret_field_type);
3256
3257         /* Add a custom trace packet header field */
3258         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3259                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3260         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3261         ok(packet_header_type,
3262                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3263         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3264                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3265         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3266                 packet_header_type, "magic");
3267         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3268         bt_put(ret_field_type);
3269         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3270                 packet_header_type, "uuid");
3271         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3272         bt_put(ret_field_type);
3273         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3274                 packet_header_type, "stream_id");
3275         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3276         bt_put(ret_field_type);
3277
3278         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3279         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3280                 packet_header_field_type, "custom_trace_packet_header_field"),
3281                 "Added a custom trace packet header field successfully");
3282
3283         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3284                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3285         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3286                 "Set a trace packet_header_type successfully");
3287
3288         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3289                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3290
3291         /* Add a custom field to the stream class' packet context */
3292         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3293         ok(packet_context_type,
3294                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3295         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3296                 "Packet context is a structure");
3297
3298         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3299                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3300
3301         integer_type = bt_ctf_field_type_integer_create(32);
3302         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3303                 integer_type) < 0,
3304                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3305         /* Create a "uint5_t" equivalent custom packet context field */
3306         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3307
3308         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3309                 packet_context_field_type, "custom_packet_context_field");
3310         ok(ret == 0, "Packet context field added successfully");
3311
3312         /* Define a stream event context containing a my_integer field. */
3313         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3314                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3315         stream_event_context_type = bt_ctf_field_type_structure_create();
3316         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3317                 integer_type, "common_event_context");
3318
3319         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3320                 stream_event_context_type) < 0,
3321                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3322         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3323                 integer_type) < 0,
3324                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3325
3326         ok(bt_ctf_stream_class_set_event_context_type(
3327                 stream_class, stream_event_context_type) == 0,
3328                 "Set a new stream event context type");
3329         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3330                 stream_class);
3331         ok(ret_field_type == stream_event_context_type,
3332                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3333         bt_put(ret_field_type);
3334
3335         /* Instantiate a stream and append events */
3336         ret = bt_ctf_writer_add_clock(writer, clock);
3337         assert(ret == 0);
3338         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3339                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3340         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3341         ok(stream1, "Instanciate a stream class from writer");
3342         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3343                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3344         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3345         ok(stream == stream1,
3346                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3347         BT_PUT(stream);
3348
3349         /*
3350          * Creating a stream through a writer adds the given stream
3351          * class to the writer's trace, thus registering the stream
3352          * class's clock to the trace.
3353          */
3354         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3355                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3356         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3357                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3358         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3359                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3360         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3361                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3362         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3363         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3364                 bt_ctf_clock_get_name(clock)) == 0,
3365                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3366         bt_put(ret_clock_class);
3367         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3368                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3369         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3370                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3371         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3372                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3373         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3374         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3375                 bt_ctf_clock_get_name(clock)) == 0,
3376                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3377         bt_put(ret_clock_class);
3378         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3379                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3380
3381         ok(bt_ctf_stream_get_class(NULL) == NULL,
3382                 "bt_ctf_stream_get_class correctly handles NULL");
3383         ret_stream_class = bt_ctf_stream_get_class(stream1);
3384         ok(ret_stream_class,
3385                 "bt_ctf_stream_get_class returns a stream class");
3386         ok(ret_stream_class == stream_class,
3387                 "Returned stream class is of the correct type");
3388
3389         /*
3390          * Packet header, packet context, event header, and stream
3391          * event context types were copied for the resolving
3392          * process
3393          */
3394         BT_PUT(packet_header_type);
3395         BT_PUT(packet_context_type);
3396         BT_PUT(stream_event_context_type);
3397         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3398         assert(packet_header_type);
3399         packet_context_type =
3400                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3401         assert(packet_context_type);
3402         stream_event_context_type =
3403                 bt_ctf_stream_class_get_event_context_type(stream_class);
3404         assert(stream_event_context_type);
3405
3406         /*
3407          * Try to modify the packet context type after a stream has been
3408          * created.
3409          */
3410         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3411                 packet_header_field_type, "should_fail");
3412         ok(ret < 0,
3413                 "Trace packet header type can't be modified once a stream has been instanciated");
3414
3415         /*
3416          * Try to modify the packet context type after a stream has been
3417          * created.
3418          */
3419         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3420                 packet_context_field_type, "should_fail");
3421         ok(ret < 0,
3422                 "Packet context type can't be modified once a stream has been instanciated");
3423
3424         /*
3425          * Try to modify the stream event context type after a stream has been
3426          * created.
3427          */
3428         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3429                 integer_type, "should_fail");
3430         ok(ret < 0,
3431                 "Stream event context type can't be modified once a stream has been instanciated");
3432
3433         /* Should fail after instanciating a stream (frozen) */
3434         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3435                 "Changes to a stream class that was already instantiated fail");
3436
3437         /* Populate the custom packet header field only once for all tests */
3438         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3439                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3440         packet_header = bt_ctf_stream_get_packet_header(stream1);
3441         ok(packet_header,
3442                 "bt_ctf_stream_get_packet_header returns a packet header");
3443         ret_field_type = bt_ctf_field_get_type(packet_header);
3444         ok(ret_field_type == packet_header_type,
3445                 "Stream returns a packet header of the appropriate type");
3446         bt_put(ret_field_type);
3447         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3448                 "custom_trace_packet_header_field");
3449         ok(packet_header_field,
3450                 "Packet header structure contains a custom field with the appropriate name");
3451         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3452         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3453                 "Custom packet header field is of the expected type");
3454         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3455                 54321), "Set custom packet header value successfully");
3456         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3457                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3458         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3459                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3460         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3461                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3462         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3463                 "Successfully set a stream's packet header");
3464
3465         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3466                 "Add environment field to writer after stream creation");
3467
3468         test_clock_utils();
3469
3470         test_create_writer_vs_non_writer_mode();
3471
3472         test_set_clock_non_writer_stream_class();
3473
3474         test_instanciate_event_before_stream(writer, clock);
3475
3476         append_simple_event(stream_class, stream1, clock);
3477
3478         packet_resize_test(stream_class, stream1, clock);
3479
3480         append_complex_event(stream_class, stream1, clock);
3481
3482         append_existing_event_class(stream_class);
3483
3484         test_empty_stream(writer);
3485
3486         test_custom_event_header_stream(writer, clock);
3487
3488         test_static_trace();
3489
3490         test_trace_is_static_listener();
3491
3492         test_trace_uuid();
3493
3494         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3495         ok(metadata_string, "Get metadata string");
3496
3497         bt_ctf_writer_flush_metadata(writer);
3498
3499         bt_put(clock);
3500         bt_put(ret_stream_class);
3501         bt_put(writer);
3502         bt_put(stream1);
3503         bt_put(packet_context_type);
3504         bt_put(packet_context_field_type);
3505         bt_put(integer_type);
3506         bt_put(stream_event_context_type);
3507         bt_put(ret_field_type);
3508         bt_put(packet_header_type);
3509         bt_put(packet_header_field_type);
3510         bt_put(packet_header);
3511         bt_put(packet_header_field);
3512         bt_put(trace);
3513         free(metadata_string);
3514         bt_put(stream_class);
3515
3516         validate_trace(argv[1], trace_path);
3517
3518         recursive_rmdir(trace_path);
3519         g_free(trace_path);
3520         g_free(metadata_path);
3521
3522         return 0;
3523 }