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/utsname-internal.h>
  40 #include <babeltrace/compat/limits-internal.h>
  41 #include <babeltrace/compat/stdio-internal.h>
  42 #include <string.h>
  43 #include <assert.h>
  44 #include <sys/wait.h>
  45 #include <fcntl.h>
  46 #include "tap/tap.h"
  47 #include <math.h>
  48 #include <float.h>
  49 #include "common.h"
  50
  51 #define METADATA_LINE_SIZE 512
  52 #define SEQUENCE_TEST_LENGTH 10
  53 #define ARRAY_TEST_LENGTH 5
  54 #define PACKET_RESIZE_TEST_DEF_LENGTH 100000
  55
  56 #define DEFAULT_CLOCK_FREQ 1000000000
  57 #define DEFAULT_CLOCK_PRECISION 1
  58 #define DEFAULT_CLOCK_OFFSET 0
  59 #define DEFAULT_CLOCK_OFFSET_S 0
  60 #define DEFAULT_CLOCK_IS_ABSOLUTE 0
  61 #define DEFAULT_CLOCK_TIME 0
  62 #define DEFAULT_CLOCK_VALUE 0
  63
  64 #define NR_TESTS 623
  65
  66 static int64_t current_time = 42;
  67 static unsigned int packet_resize_test_length = PACKET_RESIZE_TEST_DEF_LENGTH;
  68
  69 /* Return 1 if uuids match, zero if different. */
  70 static
  71 int uuid_match(const unsigned char *uuid_a, const unsigned char *uuid_b)
  72 {
  73         int ret = 0;
  74         int i;
  75
  76         if (!uuid_a || !uuid_b) {
  77                 goto end;
  78         }
  79
  80         for (i = 0; i < 16; i++) {
  81                 if (uuid_a[i] != uuid_b[i]) {
  82                         goto end;
  83                 }
  84         }
  85
  86         ret = 1;
  87 end:
  88         return ret;
  89 }
  90
  91 static
  92 void validate_trace(char *parser_path, char *trace_path)
  93 {
  94         int ret = 0;
  95         gchar *babeltrace_output_path;
  96         int babeltrace_output_fd = -1;
  97
  98         if (!trace_path) {
  99                 ret = -1;
 100                 goto result;
 101         }
 102
 103         babeltrace_output_fd = g_file_open_tmp("babeltrace_output_XXXXXX",
 104                         &babeltrace_output_path, NULL);
 105         unlink(babeltrace_output_path);
 106         g_free(babeltrace_output_path);
 107
 108         if (babeltrace_output_fd == -1) {
 109                 diag("Failed to create a temporary file for trace parsing.");
 110                 ret = -1;
 111                 goto result;
 112         }
 113
 114         pid_t pid = fork();
 115         if (pid) {
 116                 int status = 0;
 117                 waitpid(pid, &status, 0);
 118                 ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 119         } else {
 120                 ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
 121                 if (ret < 0) {
 122                         perror("# dup2 babeltrace_output_fd to STDOUT");
 123                         goto result;
 124                 }
 125
 126                 ret = dup2(babeltrace_output_fd, STDERR_FILENO);
 127                 if (ret < 0) {
 128                         perror("# dup2 babeltrace_output_fd to STDERR");
 129                         goto result;
 130                 }
 131
 132                 execl(parser_path, parser_path, trace_path, NULL);
 133                 perror("# Could not launch the babeltrace process");
 134                 exit(-1);
 135         }
 136 result:
 137         ok(ret == 0, "Babeltrace could read the resulting trace");
 138
 139         if (ret && babeltrace_output_fd >= 0) {
 140                 char *line;
 141                 size_t len = METADATA_LINE_SIZE;
 142                 FILE *babeltrace_output_fp = NULL;
 143
 144                 babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
 145                 if (!babeltrace_output_fp) {
 146                         perror("fdopen on babeltrace_output_fd");
 147                         goto close_fp;
 148                 }
 149                 babeltrace_output_fd = -1;
 150
 151                 line = malloc(len);
 152                 if (!line) {
 153                         diag("malloc error");
 154                 }
 155                 rewind(babeltrace_output_fp);
 156                 while (bt_getline(&line, &len, babeltrace_output_fp) > 0) {
 157                         diag("%s", line);
 158                 }
 159
 160                 free(line);
 161 close_fp:
 162                 if (babeltrace_output_fp) {
 163                         if (fclose(babeltrace_output_fp)) {
 164                                 diag("fclose error");
 165                         }
 166                 }
 167         }
 168
 169         if (babeltrace_output_fd >= 0) {
 170                 if (close(babeltrace_output_fd)) {
 171                         diag("close error");
 172                 }
 173         }
 174 }
 175
 176 static
 177 void append_simple_event(struct bt_ctf_stream_class *stream_class,
 178                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 179 {
 180         /* Create and add a simple event class */
 181         struct bt_ctf_event_class *simple_event_class =
 182                 bt_ctf_event_class_create("Simple Event");
 183         struct bt_ctf_field_type *uint_12_type =
 184                 bt_ctf_field_type_integer_create(12);
 185         struct bt_ctf_field_type *int_64_type =
 186                 bt_ctf_field_type_integer_create(64);
 187         struct bt_ctf_field_type *float_type =
 188                 bt_ctf_field_type_floating_point_create();
 189         struct bt_ctf_field_type *enum_type;
 190         struct bt_ctf_field_type *enum_type_unsigned =
 191                 bt_ctf_field_type_enumeration_create(uint_12_type);
 192         struct bt_ctf_field_type *event_context_type =
 193                 bt_ctf_field_type_structure_create();
 194         struct bt_ctf_field_type *event_payload_type = NULL;
 195         struct bt_ctf_field_type *returned_type;
 196         struct bt_ctf_event *simple_event;
 197         struct bt_ctf_field *integer_field;
 198         struct bt_ctf_field *float_field;
 199         struct bt_ctf_field *enum_field;
 200         struct bt_ctf_field *enum_field_unsigned;
 201         struct bt_ctf_field *enum_container_field;
 202         const char *mapping_name_test = "truie";
 203         const double double_test_value = 3.1415;
 204         struct bt_ctf_field *enum_container_field_unsigned;
 205         const char *mapping_name_negative_test = "negative_value";
 206         const char *ret_char;
 207         double ret_double;
 208         int64_t ret_range_start_int64_t, ret_range_end_int64_t;
 209         uint64_t ret_range_start_uint64_t, ret_range_end_uint64_t;
 210         struct bt_ctf_event_class *ret_event_class;
 211         struct bt_ctf_field *packet_context;
 212         struct bt_ctf_field *packet_context_field;
 213         struct bt_ctf_field *stream_event_context;
 214         struct bt_ctf_field *stream_event_context_field;
 215         struct bt_ctf_field *event_context;
 216         struct bt_ctf_field *event_context_field;
 217         struct bt_ctf_field_type *ep_integer_field_type = NULL;
 218         struct bt_ctf_field_type *ep_enum_field_type = NULL;
 219         struct bt_ctf_field_type *ep_enum_field_unsigned_type = NULL;
 220         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 221         int ret;
 222
 223         ok(uint_12_type, "Create an unsigned integer type");
 224
 225         ok(!bt_ctf_field_type_integer_set_signed(int_64_type, 1),
 226                 "Set signed 64 bit integer signedness to true");
 227         ok(int_64_type, "Create a signed integer type");
 228         enum_type = bt_ctf_field_type_enumeration_create(int_64_type);
 229
 230         returned_type = bt_ctf_field_type_enumeration_get_container_type(enum_type);
 231         ok(returned_type == int_64_type, "bt_ctf_field_type_enumeration_get_container_type returns the right type");
 232         ok(!bt_ctf_field_type_enumeration_get_container_type(NULL), "bt_ctf_field_type_enumeration_get_container_type handles NULL correctly");
 233         ok(!bt_ctf_field_type_enumeration_create(enum_type),
 234                 "bt_ctf_field_enumeration_type_create rejects non-integer container field types");
 235         bt_put(returned_type);
 236
 237         bt_ctf_field_type_set_alignment(float_type, 32);
 238         ok(bt_ctf_field_type_get_alignment(NULL) < 0,
 239                 "bt_ctf_field_type_get_alignment handles NULL correctly");
 240         ok(bt_ctf_field_type_get_alignment(float_type) == 32,
 241                 "bt_ctf_field_type_get_alignment returns a correct value");
 242
 243         ok(bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11) == 0,
 244                 "Set a floating point type's exponent digit count");
 245         ok(bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53) == 0,
 246                 "Set a floating point type's mantissa digit count");
 247
 248         ok(bt_ctf_field_type_floating_point_get_exponent_digits(NULL) < 0,
 249                 "bt_ctf_field_type_floating_point_get_exponent_digits handles NULL properly");
 250         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(NULL) < 0,
 251                 "bt_ctf_field_type_floating_point_get_mantissa_digits handles NULL properly");
 252         ok(bt_ctf_field_type_floating_point_get_exponent_digits(float_type) == 11,
 253                 "bt_ctf_field_type_floating_point_get_exponent_digits returns the correct value");
 254         ok(bt_ctf_field_type_floating_point_get_mantissa_digits(float_type) == 53,
 255                 "bt_ctf_field_type_floating_point_get_mantissa_digits returns the correct value");
 256
 257         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 258                 mapping_name_negative_test, -12345, 0) == 0,
 259                 "bt_ctf_field_type_enumeration_add_mapping accepts negative enumeration mappings");
 260         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 261                 "escaping; \"test\"", 1, 1) == 0,
 262                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing quotes");
 263         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 264                 "\tanother \'escaping\'\n test\"", 2, 4) == 0,
 265                 "bt_ctf_field_type_enumeration_add_mapping accepts enumeration mapping strings containing special characters");
 266         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type,
 267                 "event clock int float", 5, 22) == 0,
 268                 "Accept enumeration mapping strings containing reserved keywords");
 269         bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 270                 42, 42);
 271         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 272                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts duplicate mapping names");
 273         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, "something",
 274                 -500, -400) == 0, "bt_ctf_field_type_enumeration_add_mapping accepts overlapping enum entries");
 275         ok(bt_ctf_field_type_enumeration_add_mapping(enum_type, mapping_name_test,
 276                 -54, -55), "bt_ctf_field_type_enumeration_add_mapping rejects mapping where end < start");
 277         bt_ctf_field_type_enumeration_add_mapping(enum_type, "another entry", -42000, -13000);
 278
 279         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(NULL, -42);
 280         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value handles a NULL field type correctly");
 281
 282         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, -4200000);
 283         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value rejects non-mapped values");
 284
 285         iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(enum_type, 3);
 286         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_signed_value succeeds with mapped value");
 287         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, NULL, NULL, NULL) == 0,
 288                 "bt_ctf_field_type_enumeration_mapping_iterator_get_signed handles mapped values correctly");
 289         BT_PUT(iter);
 290
 291         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type,
 292                 "enum_field") == 0, "Add signed enumeration field to event");
 293
 294         ok(bt_ctf_field_type_enumeration_get_mapping_signed(NULL, 0, &ret_char,
 295                 &ret_range_start_int64_t, &ret_range_end_int64_t) < 0,
 296                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL enumeration correctly");
 297         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, NULL,
 298                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 299                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL string correctly");
 300         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 301                 NULL, &ret_range_end_int64_t) == 0,
 302                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL start correctly");
 303         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 0, &ret_char,
 304                 &ret_range_start_int64_t, NULL) == 0,
 305                 "bt_ctf_field_type_enumeration_get_mapping_signed handles a NULL end correctly");
 306         /* Assumes entries are sorted by range_start values. */
 307         ok(bt_ctf_field_type_enumeration_get_mapping_signed(enum_type, 6, &ret_char,
 308                 &ret_range_start_int64_t, &ret_range_end_int64_t) == 0,
 309                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a value");
 310         ok(!strcmp(ret_char, mapping_name_test),
 311                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping name");
 312         ok(ret_range_start_int64_t == 42,
 313                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping start");
 314         ok(ret_range_end_int64_t == 42,
 315                 "bt_ctf_field_type_enumeration_get_mapping_signed returns a correct mapping end");
 316
 317         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 318                 "escaping; \"test\"", 0, 0) == 0,
 319                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing quotes");
 320         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 321                 "\tanother \'escaping\'\n test\"", 1, 4) == 0,
 322                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing special characters");
 323         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned,
 324                 "event clock int float", 5, 22) == 0,
 325                 "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts enumeration mapping strings containing reserved keywords");
 326         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 327                 42, 42) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts single-value ranges");
 328         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 329                 43, 51) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts duplicate mapping names");
 330         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, "something",
 331                 7, 8) == 0, "bt_ctf_field_type_enumeration_add_mapping_unsigned accepts overlapping enum entries");
 332         ok(bt_ctf_field_type_enumeration_add_mapping_unsigned(enum_type_unsigned, mapping_name_test,
 333                 55, 54), "bt_ctf_field_type_enumeration_add_mapping_unsigned rejects mapping where end < start");
 334         ok(bt_ctf_event_class_add_field(simple_event_class, enum_type_unsigned,
 335                 "enum_field_unsigned") == 0, "Add unsigned enumeration field to event");
 336
 337         ok(bt_ctf_field_type_enumeration_get_mapping_count(NULL) < 0,
 338                 "bt_ctf_field_type_enumeration_get_mapping_count handles NULL correctly");
 339         ok(bt_ctf_field_type_enumeration_get_mapping_count(enum_type_unsigned) == 6,
 340                 "bt_ctf_field_type_enumeration_get_mapping_count returns the correct value");
 341
 342         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(NULL, 0, &ret_char,
 343                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) < 0,
 344                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL enumeration correctly");
 345         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, NULL,
 346                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 347                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL string correctly");
 348         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 349                 NULL, &ret_range_end_uint64_t) == 0,
 350                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL start correctly");
 351         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 0, &ret_char,
 352                 &ret_range_start_uint64_t, NULL) == 0,
 353                 "bt_ctf_field_type_enumeration_get_mapping_unsigned handles a NULL end correctly");
 354         ok(bt_ctf_field_type_enumeration_get_mapping_unsigned(enum_type_unsigned, 4, &ret_char,
 355                 &ret_range_start_uint64_t, &ret_range_end_uint64_t) == 0,
 356                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a value");
 357         ok(!strcmp(ret_char, mapping_name_test),
 358                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping name");
 359         ok(ret_range_start_uint64_t == 42,
 360                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping start");
 361         ok(ret_range_end_uint64_t == 42,
 362                 "bt_ctf_field_type_enumeration_get_mapping_unsigned returns a correct mapping end");
 363
 364         bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
 365                 "integer_field");
 366         bt_ctf_event_class_add_field(simple_event_class, float_type,
 367                 "float_field");
 368
 369         assert(!bt_ctf_event_class_set_id(simple_event_class, 13));
 370
 371         /* Set an event context type which will contain a single integer. */
 372         ok(!bt_ctf_field_type_structure_add_field(event_context_type, uint_12_type,
 373                 "event_specific_context"),
 374                 "Add event specific context field");
 375         ok(bt_ctf_event_class_get_context_type(NULL) == NULL,
 376                 "bt_ctf_event_class_get_context_type handles NULL correctly");
 377
 378         ok(bt_ctf_event_class_set_context_type(NULL, event_context_type) < 0,
 379                 "bt_ctf_event_class_set_context_type handles a NULL event class correctly");
 380         ok(!bt_ctf_event_class_set_context_type(simple_event_class, event_context_type),
 381                 "Set an event class' context type successfully");
 382         returned_type = bt_ctf_event_class_get_context_type(simple_event_class);
 383         ok(returned_type == event_context_type,
 384                 "bt_ctf_event_class_get_context_type returns the appropriate type");
 385         bt_put(returned_type);
 386
 387         ok(!bt_ctf_stream_class_add_event_class(stream_class, simple_event_class),
 388                 "Adding simple event class to stream class");
 389
 390         /*
 391          * bt_ctf_stream_class_add_event_class() copies the field types
 392          * of simple_event_class, so we retrieve the new ones to create
 393          * the appropriate fields.
 394          */
 395         BT_PUT(event_context_type);
 396         BT_PUT(event_payload_type);
 397         event_payload_type = bt_ctf_event_class_get_payload_type(
 398                 simple_event_class);
 399         assert(event_payload_type);
 400         event_context_type = bt_ctf_event_class_get_context_type(
 401                 simple_event_class);
 402         assert(event_context_type);
 403         ep_integer_field_type =
 404                 bt_ctf_field_type_structure_get_field_type_by_name(
 405                         event_payload_type, "integer_field");
 406         assert(ep_integer_field_type);
 407         ep_enum_field_type =
 408                 bt_ctf_field_type_structure_get_field_type_by_name(
 409                         event_payload_type, "enum_field");
 410         assert(ep_enum_field_type);
 411         ep_enum_field_unsigned_type =
 412                 bt_ctf_field_type_structure_get_field_type_by_name(
 413                         event_payload_type, "enum_field_unsigned");
 414         assert(ep_enum_field_unsigned_type);
 415
 416         ok(bt_ctf_stream_class_get_event_class_count(NULL) < 0,
 417                 "bt_ctf_stream_class_get_event_class_count handles NULL correctly");
 418         ok(bt_ctf_stream_class_get_event_class_count(stream_class) == 1,
 419                 "bt_ctf_stream_class_get_event_class_count returns a correct number of event classes");
 420         ok(bt_ctf_stream_class_get_event_class_by_index(NULL, 0) == NULL,
 421                 "bt_ctf_stream_class_get_event_class handles NULL correctly");
 422         ok(bt_ctf_stream_class_get_event_class_by_index(stream_class, 8724) == NULL,
 423                 "bt_ctf_stream_class_get_event_class handles invalid indexes correctly");
 424         ret_event_class = bt_ctf_stream_class_get_event_class_by_index(stream_class, 0);
 425         ok(ret_event_class == simple_event_class,
 426                 "bt_ctf_stream_class_get_event_class returns the correct event class");
 427         bt_put(ret_event_class);
 428         ok(!bt_ctf_stream_class_get_event_class_by_id(NULL, 0),
 429                 "bt_ctf_stream_class_get_event_class_by_id handles NULL correctly");
 430         ok(!bt_ctf_stream_class_get_event_class_by_id(stream_class, 2),
 431                 "bt_ctf_stream_class_get_event_class_by_id returns NULL when the requested ID doesn't exist");
 432         ret_event_class =
 433                 bt_ctf_stream_class_get_event_class_by_id(stream_class, 13);
 434         ok(ret_event_class == simple_event_class,
 435                 "bt_ctf_stream_class_get_event_class_by_id returns a correct event class");
 436         bt_put(ret_event_class);
 437
 438         simple_event = bt_ctf_event_create(simple_event_class);
 439         ok(simple_event,
 440                 "Instantiate an event containing a single integer field");
 441
 442         integer_field = bt_ctf_field_create(ep_integer_field_type);
 443         bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
 444         ok(bt_ctf_event_set_payload(simple_event, "integer_field",
 445                 integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
 446
 447         float_field = bt_ctf_event_get_payload(simple_event, "float_field");
 448         ok(bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 449                 "bt_ctf_field_floating_point_get_value fails on an unset float field");
 450         bt_ctf_field_floating_point_set_value(float_field, double_test_value);
 451         ok(bt_ctf_field_floating_point_get_value(NULL, &ret_double),
 452                 "bt_ctf_field_floating_point_get_value properly handles a NULL field");
 453         ok(bt_ctf_field_floating_point_get_value(float_field, NULL),
 454                 "bt_ctf_field_floating_point_get_value properly handles a NULL return value pointer");
 455         ok(!bt_ctf_field_floating_point_get_value(float_field, &ret_double),
 456                 "bt_ctf_field_floating_point_get_value returns a double value");
 457         ok(fabs(ret_double - double_test_value) <= DBL_EPSILON,
 458                 "bt_ctf_field_floating_point_get_value returns a correct value");
 459
 460         enum_field = bt_ctf_field_create(ep_enum_field_type);
 461         assert(enum_field);
 462
 463         iter = bt_ctf_field_enumeration_get_mappings(NULL);
 464         ok(!iter, "bt_ctf_field_enumeration_get_mappings handles NULL correctly");
 465         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 466         ok(!iter, "bt_ctf_field_enumeration_get_mappings returns NULL if the enumeration's container field is unset");
 467         enum_container_field = bt_ctf_field_enumeration_get_container(
 468                 enum_field);
 469         ok(bt_ctf_field_signed_integer_set_value(
 470                 enum_container_field, -42) == 0,
 471                 "Set signed enumeration container value");
 472         iter = bt_ctf_field_enumeration_get_mappings(enum_field);
 473         ok(iter, "bt_ctf_field_enumeration_get_mappings returns an iterator to matching mappings");
 474         ret = bt_ctf_field_type_enumeration_mapping_iterator_get_signed(iter, &ret_char, NULL, NULL);
 475         ok(!ret && ret_char, "bt_ctf_field_type_enumeration_mapping_iterator_get_signed return a mapping name");
 476         assert(ret_char);
 477         ok(!strcmp(ret_char, mapping_name_negative_test),
 478                 "bt_ctf_field_enumeration_get_single_mapping_name returns the correct mapping name with an signed container");
 479         ret = bt_ctf_event_set_payload(simple_event, "enum_field", enum_field);
 480         assert(!ret);
 481         BT_PUT(iter);
 482
 483         enum_field_unsigned = bt_ctf_field_create(ep_enum_field_unsigned_type);
 484         assert(enum_field_unsigned);
 485         enum_container_field_unsigned = bt_ctf_field_enumeration_get_container(
 486                 enum_field_unsigned);
 487         ok(bt_ctf_field_unsigned_integer_set_value(
 488                 enum_container_field_unsigned, 42) == 0,
 489                 "Set unsigned enumeration container value");
 490         ret = bt_ctf_event_set_payload(simple_event, "enum_field_unsigned",
 491                 enum_field_unsigned);
 492         assert(!ret);
 493         iter = bt_ctf_field_enumeration_get_mappings(enum_field_unsigned);
 494         assert(iter);
 495         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, &ret_char, NULL, NULL);
 496         ok(ret_char && !strcmp(ret_char, mapping_name_test),
 497                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned returns the correct mapping name with an unsigned container");
 498
 499         ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
 500
 501         /* Populate stream event context */
 502         stream_event_context =
 503                 bt_ctf_event_get_stream_event_context(simple_event);
 504         assert(stream_event_context);
 505         stream_event_context_field = bt_ctf_field_structure_get_field(
 506                 stream_event_context, "common_event_context");
 507         bt_ctf_field_unsigned_integer_set_value(stream_event_context_field, 42);
 508
 509         /* Populate the event's context */
 510         ok(bt_ctf_event_get_event_context(NULL) == NULL,
 511                 "bt_ctf_event_get_event_context handles NULL correctly");
 512         event_context = bt_ctf_event_get_event_context(simple_event);
 513         ok(event_context,
 514                 "bt_ctf_event_get_event_context returns a field");
 515         returned_type = bt_ctf_field_get_type(event_context);
 516         ok(returned_type == event_context_type,
 517                 "bt_ctf_event_get_event_context returns a field of the appropriate type");
 518         event_context_field = bt_ctf_field_structure_get_field(event_context,
 519                 "event_specific_context");
 520         ok(!bt_ctf_field_unsigned_integer_set_value(event_context_field, 1234),
 521                 "Successfully set an event context's value");
 522         ok(bt_ctf_event_set_event_context(NULL, event_context) < 0,
 523                 "bt_ctf_event_set_event_context handles a NULL event correctly");
 524         ok(bt_ctf_event_set_event_context(simple_event, NULL) < 0,
 525                 "bt_ctf_event_set_event_context handles a NULL event context correctly");
 526         ok(bt_ctf_event_set_event_context(simple_event, event_context_field) < 0,
 527                 "bt_ctf_event_set_event_context rejects a context of the wrong type");
 528         ok(!bt_ctf_event_set_event_context(simple_event, event_context),
 529                 "Set an event context successfully");
 530
 531         ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
 532                 "Append simple event to trace stream");
 533
 534         ok(bt_ctf_stream_get_packet_context(NULL) == NULL,
 535                 "bt_ctf_stream_get_packet_context handles NULL correctly");
 536         packet_context = bt_ctf_stream_get_packet_context(stream);
 537         ok(packet_context,
 538                 "bt_ctf_stream_get_packet_context returns a packet context");
 539
 540         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 541                 "packet_size");
 542         ok(packet_context_field,
 543                 "Packet context contains the default packet_size field.");
 544         bt_put(packet_context_field);
 545         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
 546                 "custom_packet_context_field");
 547         ok(bt_ctf_field_unsigned_integer_set_value(packet_context_field, 8) == 0,
 548                 "Custom packet context field value successfully set.");
 549
 550         ok(bt_ctf_stream_set_packet_context(NULL, packet_context_field) < 0,
 551                 "bt_ctf_stream_set_packet_context handles a NULL stream correctly");
 552         ok(bt_ctf_stream_set_packet_context(stream, NULL) < 0,
 553                 "bt_ctf_stream_set_packet_context handles a NULL packet context correctly");
 554         ok(bt_ctf_stream_set_packet_context(stream, packet_context) == 0,
 555                 "Successfully set a stream's packet context");
 556
 557         ok(bt_ctf_stream_flush(stream) == 0,
 558                 "Flush trace stream with one event");
 559
 560         bt_put(simple_event_class);
 561         bt_put(simple_event);
 562         bt_put(uint_12_type);
 563         bt_put(int_64_type);
 564         bt_put(float_type);
 565         bt_put(enum_type);
 566         bt_put(enum_type_unsigned);
 567         bt_put(returned_type);
 568         bt_put(event_context_type);
 569         bt_put(integer_field);
 570         bt_put(float_field);
 571         bt_put(enum_field);
 572         bt_put(enum_field_unsigned);
 573         bt_put(enum_container_field);
 574         bt_put(enum_container_field_unsigned);
 575         bt_put(packet_context);
 576         bt_put(packet_context_field);
 577         bt_put(stream_event_context);
 578         bt_put(stream_event_context_field);
 579         bt_put(event_context);
 580         bt_put(event_context_field);
 581         bt_put(event_payload_type);
 582         bt_put(ep_integer_field_type);
 583         bt_put(ep_enum_field_type);
 584         bt_put(ep_enum_field_unsigned_type);
 585         bt_put(iter);
 586 }
 587
 588 static
 589 void append_complex_event(struct bt_ctf_stream_class *stream_class,
 590                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
 591 {
 592         int i;
 593         struct event_class_attrs_counts ;
 594         const char *complex_test_event_string = "Complex Test Event";
 595         const char *test_string_1 = "Test ";
 596         const char *test_string_2 = "string ";
 597         const char *test_string_3 = "abcdefghi";
 598         const char *test_string_4 = "abcd\0efg\0hi";
 599         const char *test_string_cat = "Test string abcdeabcd";
 600         struct bt_ctf_field_type *uint_35_type =
 601                 bt_ctf_field_type_integer_create(35);
 602         struct bt_ctf_field_type *int_16_type =
 603                 bt_ctf_field_type_integer_create(16);
 604         struct bt_ctf_field_type *uint_3_type =
 605                 bt_ctf_field_type_integer_create(3);
 606         struct bt_ctf_field_type *enum_variant_type =
 607                 bt_ctf_field_type_enumeration_create(uint_3_type);
 608         struct bt_ctf_field_type *variant_type =
 609                 bt_ctf_field_type_variant_create(enum_variant_type,
 610                         "variant_selector");
 611         struct bt_ctf_field_type *string_type =
 612                 bt_ctf_field_type_string_create();
 613         struct bt_ctf_field_type *sequence_type;
 614         struct bt_ctf_field_type *array_type;
 615         struct bt_ctf_field_type *inner_structure_type =
 616                 bt_ctf_field_type_structure_create();
 617         struct bt_ctf_field_type *complex_structure_type =
 618                 bt_ctf_field_type_structure_create();
 619         struct bt_ctf_field_type *ret_field_type;
 620         struct bt_ctf_event_class *event_class;
 621         struct bt_ctf_event *event;
 622         struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
 623                 *inner_structure_field, *complex_structure_field,
 624                 *a_sequence_field, *enum_variant_field, *enum_container_field,
 625                 *variant_field, *an_array_field, *stream_event_ctx_field,
 626                 *stream_event_ctx_int_field, *ret_field;
 627         uint64_t ret_unsigned_int;
 628         int64_t ret_signed_int;
 629         const char *ret_string;
 630         struct bt_ctf_stream_class *ret_stream_class;
 631         struct bt_ctf_event_class *ret_event_class;
 632         struct bt_ctf_field *packet_context, *packet_context_field;
 633         struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
 634
 635         ok(bt_ctf_field_type_set_alignment(int_16_type, 0),
 636                 "bt_ctf_field_type_set_alignment handles 0-alignment correctly");
 637         ok(bt_ctf_field_type_set_alignment(int_16_type, 3),
 638                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (3)");
 639         ok(bt_ctf_field_type_set_alignment(int_16_type, 24),
 640                 "bt_ctf_field_type_set_alignment handles wrong alignment correctly (24)");
 641         ok(!bt_ctf_field_type_set_alignment(int_16_type, 4),
 642                 "bt_ctf_field_type_set_alignment handles correct alignment correctly (4)");
 643         ok(!bt_ctf_field_type_set_alignment(int_16_type, 32),
 644                 "Set alignment of signed 16 bit integer to 32");
 645         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
 646                 "Set integer signedness to true");
 647         ok(!bt_ctf_field_type_integer_set_base(uint_35_type,
 648                 BT_CTF_INTEGER_BASE_HEXADECIMAL),
 649                 "Set signed 16 bit integer base to hexadecimal");
 650
 651         array_type = bt_ctf_field_type_array_create(int_16_type, ARRAY_TEST_LENGTH);
 652         sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
 653                 "seq_len");
 654
 655         ok(bt_ctf_field_type_array_get_element_type(NULL) == NULL,
 656                 "bt_ctf_field_type_array_get_element_type handles NULL correctly");
 657         ret_field_type = bt_ctf_field_type_array_get_element_type(
 658                 array_type);
 659         ok(ret_field_type == int_16_type,
 660                 "bt_ctf_field_type_array_get_element_type returns the correct type");
 661         bt_put(ret_field_type);
 662
 663         ok(bt_ctf_field_type_array_get_length(NULL) < 0,
 664                 "bt_ctf_field_type_array_get_length handles NULL correctly");
 665         ok(bt_ctf_field_type_array_get_length(array_type) == ARRAY_TEST_LENGTH,
 666                 "bt_ctf_field_type_array_get_length returns the correct length");
 667
 668         ok(bt_ctf_field_type_structure_add_field(inner_structure_type,
 669                 inner_structure_type, "yes"), "Cannot add self to structure");
 670         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 671                 uint_35_type, "seq_len"), "Add seq_len field to inner structure");
 672         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 673                 sequence_type, "a_sequence"), "Add a_sequence field to inner structure");
 674         ok(!bt_ctf_field_type_structure_add_field(inner_structure_type,
 675                 array_type, "an_array"), "Add an_array field to inner structure");
 676
 677         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 678                 "UINT3_TYPE", 0, 0);
 679         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 680                 "INT16_TYPE", 1, 1);
 681         bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
 682                 "UINT35_TYPE", 2, 7);
 683
 684         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(NULL, "INT16_TYPE");
 685         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL field type correctly");
 686
 687         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, "INT16_TYPE");
 688         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles an existing mapping correctly");
 689         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 690                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles mapped values correctly");
 691         BT_PUT(iter);
 692
 693         iter = bt_ctf_field_type_enumeration_find_mappings_by_name(enum_variant_type, NULL);
 694         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_name handles a NULL name correctly");
 695
 696         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(NULL, 1);
 697         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles a NULL field type correctly");
 698
 699         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, -42);
 700         ok(iter == NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles invalid values correctly");
 701         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) != 0,
 702                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles invalid values correctly");
 703         BT_PUT(iter);
 704
 705         iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(enum_variant_type, 5);
 706         ok(iter != NULL, "bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value handles valid values correctly");
 707         ok(bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(iter, NULL, NULL, NULL) == 0,
 708                 "bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned handles valid values correctly");
 709         BT_PUT(iter);
 710
 711         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 712                 "An unknown entry"), "Reject a variant field based on an unknown tag value");
 713         ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
 714                 "UINT3_TYPE") == 0, "Add a field to a variant");
 715         ok(!bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
 716                 "INT16_TYPE"), "Add INT16_TYPE field to variant");
 717         ok(!bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
 718                 "UINT35_TYPE"), "Add UINT35_TYPE field to variant");
 719
 720         ok(bt_ctf_field_type_variant_get_tag_type(NULL) == NULL,
 721                 "bt_ctf_field_type_variant_get_tag_type handles NULL correctly");
 722         ret_field_type = bt_ctf_field_type_variant_get_tag_type(variant_type);
 723         ok(ret_field_type == enum_variant_type,
 724                 "bt_ctf_field_type_variant_get_tag_type returns a correct tag type");
 725         bt_put(ret_field_type);
 726
 727         ok(bt_ctf_field_type_variant_get_tag_name(NULL) == NULL,
 728                 "bt_ctf_field_type_variant_get_tag_name handles NULL correctly");
 729         ret_string = bt_ctf_field_type_variant_get_tag_name(variant_type);
 730         ok(ret_string ? !strcmp(ret_string, "variant_selector") : 0,
 731                 "bt_ctf_field_type_variant_get_tag_name returns the correct variant tag name");
 732         ok(bt_ctf_field_type_variant_get_field_type_by_name(NULL,
 733                 "INT16_TYPE") == NULL,
 734                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL variant_type correctly");
 735         ok(bt_ctf_field_type_variant_get_field_type_by_name(variant_type,
 736                 NULL) == NULL,
 737                 "bt_ctf_field_type_variant_get_field_type_by_name handles a NULL field name correctly");
 738         ret_field_type = bt_ctf_field_type_variant_get_field_type_by_name(
 739                 variant_type, "INT16_TYPE");
 740         ok(ret_field_type == int_16_type,
 741                 "bt_ctf_field_type_variant_get_field_type_by_name returns a correct field type");
 742         bt_put(ret_field_type);
 743
 744         ok(bt_ctf_field_type_variant_get_field_count(NULL) < 0,
 745                 "bt_ctf_field_type_variant_get_field_count handles NULL correctly");
 746         ok(bt_ctf_field_type_variant_get_field_count(variant_type) == 3,
 747                 "bt_ctf_field_type_variant_get_field_count returns the correct count");
 748
 749         ok(bt_ctf_field_type_variant_get_field(NULL, &ret_string, &ret_field_type, 0) < 0,
 750                 "bt_ctf_field_type_variant_get_field handles a NULL type correctly");
 751         ok(bt_ctf_field_type_variant_get_field(variant_type, NULL, &ret_field_type, 0) == 0,
 752                 "bt_ctf_field_type_variant_get_field handles a NULL field name correctly");
 753         bt_put(ret_field_type);
 754         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, NULL, 0) == 0,
 755                 "bt_ctf_field_type_variant_get_field handles a NULL field type correctly");
 756         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 200) < 0,
 757                 "bt_ctf_field_type_variant_get_field handles an invalid index correctly");
 758         ok(bt_ctf_field_type_variant_get_field(variant_type, &ret_string, &ret_field_type, 1) == 0,
 759                 "bt_ctf_field_type_variant_get_field returns a field");
 760         ok(!strcmp("INT16_TYPE", ret_string),
 761                 "bt_ctf_field_type_variant_get_field returns a correct field name");
 762         ok(ret_field_type == int_16_type,
 763                 "bt_ctf_field_type_variant_get_field returns a correct field type");
 764         bt_put(ret_field_type);
 765
 766         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 767                 enum_variant_type, "variant_selector"),
 768                 "Add variant_selector field to complex structure");
 769         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 770                 string_type, "a_string"), "Add a_string field to complex structure");
 771         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 772                 variant_type, "variant_value"),
 773                 "Add variant_value field to complex structure");
 774         ok(!bt_ctf_field_type_structure_add_field(complex_structure_type,
 775                 inner_structure_type, "inner_structure"),
 776                 "Add inner_structure field to complex structure");
 777
 778         event_class = bt_ctf_event_class_create(complex_test_event_string);
 779         ok(event_class, "Create an event class");
 780         ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
 781                 "Reject addition of a field with an empty name to an event");
 782         ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
 783                 "Reject addition of a field with a NULL type to an event");
 784         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 785                 "int"),
 786                 "Reject addition of a type with an illegal name to an event");
 787         ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
 788                 "uint_35") == 0,
 789                 "Add field of type unsigned integer to an event");
 790         ok(bt_ctf_event_class_add_field(event_class, int_16_type,
 791                 "int_16") == 0, "Add field of type signed integer to an event");
 792         ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
 793                 "complex_structure") == 0,
 794                 "Add composite structure to an event");
 795
 796         ok(bt_ctf_event_class_get_name(NULL) == NULL,
 797                 "bt_ctf_event_class_get_name handles NULL correctly");
 798         ret_string = bt_ctf_event_class_get_name(event_class);
 799         ok(!strcmp(ret_string, complex_test_event_string),
 800                 "bt_ctf_event_class_get_name returns a correct name");
 801         ok(bt_ctf_event_class_get_id(event_class) < 0,
 802                 "bt_ctf_event_class_get_id returns a negative value when not set");
 803         ok(bt_ctf_event_class_get_id(NULL) < 0,
 804                 "bt_ctf_event_class_get_id handles NULL correctly");
 805         ok(bt_ctf_event_class_set_id(NULL, 42) < 0,
 806                 "bt_ctf_event_class_set_id handles NULL correctly");
 807         ok(bt_ctf_event_class_set_id(event_class, 42) == 0,
 808                 "Set an event class' id");
 809         ok(bt_ctf_event_class_get_id(event_class) == 42,
 810                 "bt_ctf_event_class_get_id returns the correct value");
 811
 812         /* Test event class attributes */
 813         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED,
 814                 "event class has the expected initial log level");
 815         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 816                 "as expected, event class has no initial EMF URI");
 817         ok(bt_ctf_event_class_set_log_level(NULL, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 818                 "bt_ctf_event_class_set_log_level handles a NULL event class correctly");
 819         ok(bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN),
 820                 "bt_ctf_event_class_set_log_level handles an unknown log level correctly");
 821         ok(!bt_ctf_event_class_set_log_level(event_class, BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO),
 822                 "bt_ctf_event_class_set_log_level succeeds with a valid log level");
 823         ok(bt_ctf_event_class_get_log_level(NULL) == BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN,
 824                 "bt_ctf_event_class_get_log_level handles a NULL event class correctly");
 825         ok(bt_ctf_event_class_get_log_level(event_class) == BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO,
 826                 "bt_ctf_event_class_get_log_level returns the expected log level");
 827         ok(bt_ctf_event_class_set_emf_uri(NULL, "http://diamon.org/babeltrace/"),
 828                 "bt_ctf_event_class_set_emf_uri handles a NULL event class correctly");
 829         ok(!bt_ctf_event_class_set_emf_uri(event_class, "http://diamon.org/babeltrace/"),
 830                 "bt_ctf_event_class_set_emf_uri succeeds with a valid EMF URI");
 831         ok(!bt_ctf_event_class_get_emf_uri(NULL),
 832                 "bt_ctf_event_class_get_emf_uri handles a NULL event class correctly");
 833         ok(strcmp(bt_ctf_event_class_get_emf_uri(event_class), "http://diamon.org/babeltrace/") == 0,
 834                 "bt_ctf_event_class_get_emf_uri returns the expected EMF URI");
 835         ok(!bt_ctf_event_class_set_emf_uri(event_class, NULL),
 836                 "bt_ctf_event_class_set_emf_uri succeeds with NULL (to reset)");
 837         ok(!bt_ctf_event_class_get_emf_uri(event_class),
 838                 "as expected, event class has no EMF URI after reset");
 839
 840         /* Add event class to the stream class */
 841         ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
 842                 "Reject addition of NULL event class to a stream class");
 843         ok(bt_ctf_stream_class_add_event_class(stream_class,
 844                 event_class) == 0, "Add an event class to stream class");
 845
 846         ok(bt_ctf_event_class_get_stream_class(NULL) == NULL,
 847                 "bt_ctf_event_class_get_stream_class handles NULL correctly");
 848         ret_stream_class = bt_ctf_event_class_get_stream_class(event_class);
 849         ok(ret_stream_class == stream_class,
 850                 "bt_ctf_event_class_get_stream_class returns the correct stream class");
 851         bt_put(ret_stream_class);
 852
 853         ok(bt_ctf_event_class_get_payload_type_field_count(NULL) < 0,
 854                 "bt_ctf_event_class_get_field_count handles NULL correctly");
 855         ok(bt_ctf_event_class_get_payload_type_field_count(event_class) == 3,
 856                 "bt_ctf_event_class_get_field_count returns a correct value");
 857
 858         ok(bt_ctf_event_class_get_payload_type_field_by_index(NULL, &ret_string,
 859                 &ret_field_type, 0) < 0,
 860                 "bt_ctf_event_class_get_field handles a NULL event class correctly");
 861         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, NULL,
 862                 &ret_field_type, 0) == 0,
 863                 "bt_ctf_event_class_get_field handles a NULL field name correctly");
 864         bt_put(ret_field_type);
 865         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 866                 NULL, 0) == 0,
 867                 "bt_ctf_event_class_get_field handles a NULL field type correctly");
 868         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 869                 &ret_field_type, 42) < 0,
 870                 "bt_ctf_event_class_get_field handles an invalid index correctly");
 871         ok(bt_ctf_event_class_get_payload_type_field_by_index(event_class, &ret_string,
 872                 &ret_field_type, 0) == 0,
 873                 "bt_ctf_event_class_get_field returns a field");
 874         ok(bt_ctf_field_type_compare(ret_field_type, uint_35_type) == 0,
 875                 "bt_ctf_event_class_get_field returns a correct field type");
 876         bt_put(ret_field_type);
 877         ok(!strcmp(ret_string, "uint_35"),
 878                 "bt_ctf_event_class_get_field returns a correct field name");
 879         ok(bt_ctf_event_class_get_field_by_name(NULL, "") == NULL,
 880                 "bt_ctf_event_class_get_field_by_name handles a NULL event class correctly");
 881         ok(bt_ctf_event_class_get_field_by_name(event_class, NULL) == NULL,
 882                 "bt_ctf_event_class_get_field_by_name handles a NULL field name correctly");
 883         ok(bt_ctf_event_class_get_field_by_name(event_class, "truie") == NULL,
 884                 "bt_ctf_event_class_get_field_by_name handles an invalid field name correctly");
 885         ret_field_type = bt_ctf_event_class_get_field_by_name(event_class,
 886                 "complex_structure");
 887         ok(bt_ctf_field_type_compare(ret_field_type, complex_structure_type) == 0,
 888                 "bt_ctf_event_class_get_field_by_name returns a correct field type");
 889         bt_put(ret_field_type);
 890
 891         event = bt_ctf_event_create(event_class);
 892         ok(event, "Instanciate a complex event");
 893
 894         ok(bt_ctf_event_get_class(NULL) == NULL,
 895                 "bt_ctf_event_get_class handles NULL correctly");
 896         ret_event_class = bt_ctf_event_get_class(event);
 897         ok(ret_event_class == event_class,
 898                 "bt_ctf_event_get_class returns the correct event class");
 899         bt_put(ret_event_class);
 900
 901         uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
 902         if (!uint_35_field) {
 903                 printf("uint_35_field is NULL\n");
 904         }
 905
 906         ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
 907         bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
 908         ok(bt_ctf_field_unsigned_integer_get_value(NULL, &ret_unsigned_int) < 0,
 909                 "bt_ctf_field_unsigned_integer_get_value properly properly handles a NULL field.");
 910         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field, NULL) < 0,
 911                 "bt_ctf_field_unsigned_integer_get_value properly handles a NULL return value");
 912         ok(bt_ctf_field_unsigned_integer_get_value(uint_35_field,
 913                 &ret_unsigned_int) == 0,
 914                 "bt_ctf_field_unsigned_integer_get_value succeeds after setting a value");
 915         ok(ret_unsigned_int == 0x0DDF00D,
 916                 "bt_ctf_field_unsigned_integer_get_value returns the correct value");
 917         ok(bt_ctf_field_signed_integer_get_value(uint_35_field,
 918                 &ret_signed_int) < 0,
 919                 "bt_ctf_field_signed_integer_get_value fails on an unsigned field");
 920         bt_put(uint_35_field);
 921
 922         int_16_field = bt_ctf_event_get_payload(event, "int_16");
 923         bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
 924         ok(bt_ctf_field_signed_integer_get_value(NULL, &ret_signed_int) < 0,
 925                 "bt_ctf_field_signed_integer_get_value properly handles a NULL field");
 926         ok(bt_ctf_field_signed_integer_get_value(int_16_field, NULL) < 0,
 927                 "bt_ctf_field_signed_integer_get_value properly handles a NULL return value");
 928         ok(bt_ctf_field_signed_integer_get_value(int_16_field,
 929                 &ret_signed_int) == 0,
 930                 "bt_ctf_field_signed_integer_get_value succeeds after setting a value");
 931         ok(ret_signed_int == -12345,
 932                 "bt_ctf_field_signed_integer_get_value returns the correct value");
 933         ok(bt_ctf_field_unsigned_integer_get_value(int_16_field,
 934                 &ret_unsigned_int) < 0,
 935                 "bt_ctf_field_unsigned_integer_get_value fails on a signed field");
 936         bt_put(int_16_field);
 937
 938         complex_structure_field = bt_ctf_event_get_payload(event,
 939                 "complex_structure");
 940
 941         ok(bt_ctf_field_structure_get_field_by_index(NULL, 0) == NULL,
 942                 "bt_ctf_field_structure_get_field_by_index handles NULL correctly");
 943         ok(bt_ctf_field_structure_get_field_by_index(NULL, 9) == NULL,
 944                 "bt_ctf_field_structure_get_field_by_index handles an invalid index correctly");
 945         inner_structure_field = bt_ctf_field_structure_get_field_by_index(
 946                 complex_structure_field, 3);
 947         ret_field_type = bt_ctf_field_get_type(inner_structure_field);
 948         bt_put(inner_structure_field);
 949         ok(bt_ctf_field_type_compare(ret_field_type, inner_structure_type) == 0,
 950                 "bt_ctf_field_structure_get_field_by_index returns a correct field");
 951         bt_put(ret_field_type);
 952
 953         inner_structure_field = bt_ctf_field_structure_get_field(
 954                 complex_structure_field, "inner_structure");
 955         a_string_field = bt_ctf_field_structure_get_field(
 956                 complex_structure_field, "a_string");
 957         enum_variant_field = bt_ctf_field_structure_get_field(
 958                 complex_structure_field, "variant_selector");
 959         variant_field = bt_ctf_field_structure_get_field(
 960                 complex_structure_field, "variant_value");
 961         uint_35_field = bt_ctf_field_structure_get_field(
 962                 inner_structure_field, "seq_len");
 963         a_sequence_field = bt_ctf_field_structure_get_field(
 964                 inner_structure_field, "a_sequence");
 965         an_array_field = bt_ctf_field_structure_get_field(
 966                 inner_structure_field, "an_array");
 967
 968         enum_container_field = bt_ctf_field_enumeration_get_container(
 969                 enum_variant_field);
 970         bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
 971         int_16_field = bt_ctf_field_variant_get_field(variant_field,
 972                 enum_variant_field);
 973         bt_ctf_field_signed_integer_set_value(int_16_field, -200);
 974         bt_put(int_16_field);
 975         ok(!bt_ctf_field_string_get_value(a_string_field),
 976                 "bt_ctf_field_string_get_value returns NULL on an unset field");
 977         bt_ctf_field_string_set_value(a_string_field,
 978                 test_string_1);
 979         ok(!bt_ctf_field_string_get_value(NULL),
 980                 "bt_ctf_field_string_get_value correctly handles NULL");
 981         ok(bt_ctf_field_string_append(NULL, "yeah"),
 982                 "bt_ctf_field_string_append correctly handles a NULL string field");
 983         ok(bt_ctf_field_string_append(a_string_field, NULL),
 984                 "bt_ctf_field_string_append correctly handles a NULL string value");
 985         ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
 986                 "bt_ctf_field_string_append succeeds");
 987         ok(bt_ctf_field_string_append_len(NULL, "oh noes", 3),
 988                 "bt_ctf_field_string_append_len correctly handles a NULL string field");
 989         ok(bt_ctf_field_string_append_len(a_string_field, NULL, 3),
 990                 "bt_ctf_field_string_append_len correctly handles a NULL string value");
 991         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 5),
 992                 "bt_ctf_field_string_append_len succeeds (append 5 characters)");
 993         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_4, 10),
 994                 "bt_ctf_field_string_append_len succeeds (append 4 characters)");
 995         ok(!bt_ctf_field_string_append_len(a_string_field, &test_string_4[4], 3),
 996                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
 997         ok(!bt_ctf_field_string_append_len(a_string_field, test_string_3, 0),
 998                 "bt_ctf_field_string_append_len succeeds (append 0 characters)");
 999
1000         ret_string = bt_ctf_field_string_get_value(a_string_field);
1001         ok(ret_string, "bt_ctf_field_string_get_value returns a string");
1002         ok(ret_string ? !strcmp(ret_string, test_string_cat) : 0,
1003                 "bt_ctf_field_string_get_value returns a correct value");
1004         bt_ctf_field_unsigned_integer_set_value(uint_35_field,
1005                 SEQUENCE_TEST_LENGTH);
1006
1007         ok(bt_ctf_field_type_variant_get_field_type_from_tag(NULL,
1008                 enum_container_field) == NULL,
1009                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL variant type correctly");
1010         ok(bt_ctf_field_type_variant_get_field_type_from_tag(variant_type,
1011                 NULL) == NULL,
1012                 "bt_ctf_field_type_variant_get_field_type_from_tag handles a NULL tag correctly");
1013         ret_field_type = bt_ctf_field_type_variant_get_field_type_from_tag(
1014                 variant_type, enum_variant_field);
1015         ok(ret_field_type == int_16_type,
1016                 "bt_ctf_field_type_variant_get_field_type_from_tag returns the correct field type");
1017
1018         ok(bt_ctf_field_sequence_get_length(a_sequence_field) == NULL,
1019                 "bt_ctf_field_sequence_get_length returns NULL when length is unset");
1020         ok(bt_ctf_field_sequence_set_length(a_sequence_field,
1021                 uint_35_field) == 0, "Set a sequence field's length");
1022         ret_field = bt_ctf_field_sequence_get_length(a_sequence_field);
1023         ok(ret_field == uint_35_field,
1024                 "bt_ctf_field_sequence_get_length returns the correct length field");
1025         ok(bt_ctf_field_sequence_get_length(NULL) == NULL,
1026                 "bt_ctf_field_sequence_get_length properly handles NULL");
1027
1028         for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
1029                 int_16_field = bt_ctf_field_sequence_get_field(
1030                         a_sequence_field, i);
1031                 bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
1032                 bt_put(int_16_field);
1033         }
1034
1035         for (i = 0; i < ARRAY_TEST_LENGTH; i++) {
1036                 int_16_field = bt_ctf_field_array_get_field(
1037                         an_array_field, i);
1038                 bt_ctf_field_signed_integer_set_value(int_16_field, i);
1039                 bt_put(int_16_field);
1040         }
1041
1042         stream_event_ctx_field = bt_ctf_event_get_stream_event_context(event);
1043         assert(stream_event_ctx_field);
1044         stream_event_ctx_int_field = bt_ctf_field_structure_get_field(
1045                 stream_event_ctx_field, "common_event_context");
1046         BT_PUT(stream_event_ctx_field);
1047         bt_ctf_field_unsigned_integer_set_value(stream_event_ctx_int_field, 17);
1048         BT_PUT(stream_event_ctx_int_field);
1049
1050         bt_ctf_clock_set_time(clock, ++current_time);
1051         ok(bt_ctf_stream_append_event(stream, event) == 0,
1052                 "Append a complex event to a stream");
1053
1054         /*
1055          * Populate the custom packet context field with a dummy value
1056          * otherwise flush will fail.
1057          */
1058         packet_context = bt_ctf_stream_get_packet_context(stream);
1059         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
1060                 "custom_packet_context_field");
1061         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 1);
1062
1063         ok(bt_ctf_stream_flush(stream) == 0,
1064                 "Flush a stream containing a complex event");
1065
1066         bt_put(uint_35_field);
1067         bt_put(a_string_field);
1068         bt_put(inner_structure_field);
1069         bt_put(complex_structure_field);
1070         bt_put(a_sequence_field);
1071         bt_put(an_array_field);
1072         bt_put(enum_variant_field);
1073         bt_put(enum_container_field);
1074         bt_put(variant_field);
1075         bt_put(ret_field);
1076         bt_put(packet_context_field);
1077         bt_put(packet_context);
1078         bt_put(uint_35_type);
1079         bt_put(int_16_type);
1080         bt_put(string_type);
1081         bt_put(sequence_type);
1082         bt_put(array_type);
1083         bt_put(inner_structure_type);
1084         bt_put(complex_structure_type);
1085         bt_put(uint_3_type);
1086         bt_put(enum_variant_type);
1087         bt_put(variant_type);
1088         bt_put(ret_field_type);
1089         bt_put(event_class);
1090         bt_put(event);
1091 }
1092
1093 static
1094 void field_copy_tests_validate_same_type(struct bt_ctf_field *field,
1095                 struct bt_ctf_field_type *expected_type, const char *name)
1096 {
1097         struct bt_ctf_field_type *copy_type;
1098
1099         copy_type = bt_ctf_field_get_type(field);
1100         ok(copy_type == expected_type,
1101                 "bt_ctf_field_copy does not copy the type (%s)", name);
1102         bt_put(copy_type);
1103 }
1104
1105 static
1106 void field_copy_tests_validate_diff_ptrs(struct bt_ctf_field *field_a,
1107                 struct bt_ctf_field *field_b, const char *name)
1108 {
1109         ok(field_a != field_b,
1110                 "bt_ctf_field_copy creates different pointers (%s)", name);
1111 }
1112
1113 static
1114 void field_copy_tests()
1115 {
1116         struct bt_ctf_field_type *len_type = NULL;
1117         struct bt_ctf_field_type *fp_type = NULL;
1118         struct bt_ctf_field_type *s_type = NULL;
1119         struct bt_ctf_field_type *e_int_type = NULL;
1120         struct bt_ctf_field_type *e_type = NULL;
1121         struct bt_ctf_field_type *v_type = NULL;
1122         struct bt_ctf_field_type *v_label1_type = NULL;
1123         struct bt_ctf_field_type *v_label1_array_type = NULL;
1124         struct bt_ctf_field_type *v_label2_type = NULL;
1125         struct bt_ctf_field_type *v_label2_seq_type = NULL;
1126         struct bt_ctf_field_type *strct_type = NULL;
1127         struct bt_ctf_field *len = NULL;
1128         struct bt_ctf_field *fp = NULL;
1129         struct bt_ctf_field *s = NULL;
1130         struct bt_ctf_field *e_int = NULL;
1131         struct bt_ctf_field *e = NULL;
1132         struct bt_ctf_field *v = NULL;
1133         struct bt_ctf_field *v_selected = NULL;
1134         struct bt_ctf_field *v_selected_cur = NULL;
1135         struct bt_ctf_field *v_selected_0 = NULL;
1136         struct bt_ctf_field *v_selected_1 = NULL;
1137         struct bt_ctf_field *v_selected_2 = NULL;
1138         struct bt_ctf_field *v_selected_3 = NULL;
1139         struct bt_ctf_field *v_selected_4 = NULL;
1140         struct bt_ctf_field *v_selected_5 = NULL;
1141         struct bt_ctf_field *v_selected_6 = NULL;
1142         struct bt_ctf_field *a = NULL;
1143         struct bt_ctf_field *a_0 = NULL;
1144         struct bt_ctf_field *a_1 = NULL;
1145         struct bt_ctf_field *a_2 = NULL;
1146         struct bt_ctf_field *a_3 = NULL;
1147         struct bt_ctf_field *a_4 = NULL;
1148         struct bt_ctf_field *strct = NULL;
1149         struct bt_ctf_field *len_copy = NULL;
1150         struct bt_ctf_field *fp_copy = NULL;
1151         struct bt_ctf_field *s_copy = NULL;
1152         struct bt_ctf_field *e_int_copy = NULL;
1153         struct bt_ctf_field *e_copy = NULL;
1154         struct bt_ctf_field *v_copy = NULL;
1155         struct bt_ctf_field *v_selected_copy = NULL;
1156         struct bt_ctf_field *v_selected_copy_len = NULL;
1157         struct bt_ctf_field *v_selected_0_copy = NULL;
1158         struct bt_ctf_field *v_selected_1_copy = NULL;
1159         struct bt_ctf_field *v_selected_2_copy = NULL;
1160         struct bt_ctf_field *v_selected_3_copy = NULL;
1161         struct bt_ctf_field *v_selected_4_copy = NULL;
1162         struct bt_ctf_field *v_selected_5_copy = NULL;
1163         struct bt_ctf_field *v_selected_6_copy = NULL;
1164         struct bt_ctf_field *a_copy = NULL;
1165         struct bt_ctf_field *a_0_copy = NULL;
1166         struct bt_ctf_field *a_1_copy = NULL;
1167         struct bt_ctf_field *a_2_copy = NULL;
1168         struct bt_ctf_field *a_3_copy = NULL;
1169         struct bt_ctf_field *a_4_copy = NULL;
1170         struct bt_ctf_field *strct_copy = NULL;
1171         struct bt_ctf_field_type_enumeration_mapping_iterator *e_iter = NULL;
1172         uint64_t uint64_t_val;
1173         const char *str_val;
1174         double double_val;
1175         int ret;
1176
1177         /* create len type */
1178         len_type = bt_ctf_field_type_integer_create(32);
1179         assert(len_type);
1180
1181         /* create fp type */
1182         fp_type = bt_ctf_field_type_floating_point_create();
1183         assert(fp_type);
1184
1185         /* create s type */
1186         s_type = bt_ctf_field_type_string_create();
1187         assert(s_type);
1188
1189         /* create e_int type */
1190         e_int_type = bt_ctf_field_type_integer_create(8);
1191         assert(e_int_type);
1192
1193         /* create e type */
1194         e_type = bt_ctf_field_type_enumeration_create(e_int_type);
1195         assert(e_type);
1196         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL1",
1197                 10, 15);
1198         assert(!ret);
1199         ret = bt_ctf_field_type_enumeration_add_mapping(e_type, "LABEL2",
1200                 23, 23);
1201         assert(!ret);
1202
1203         /* create v_label1 type */
1204         v_label1_type = bt_ctf_field_type_string_create();
1205         assert(v_label1_type);
1206
1207         /* create v_label1_array type */
1208         v_label1_array_type = bt_ctf_field_type_array_create(v_label1_type, 5);
1209         assert(v_label1_array_type);
1210
1211         /* create v_label2 type */
1212         v_label2_type = bt_ctf_field_type_integer_create(16);
1213         assert(v_label2_type);
1214
1215         /* create v_label2_seq type */
1216         v_label2_seq_type = bt_ctf_field_type_sequence_create(v_label2_type,
1217                 "len");
1218         assert(v_label2_seq_type);
1219
1220         /* create v type */
1221         v_type = bt_ctf_field_type_variant_create(e_type, "e");
1222         assert(v_type);
1223         ret = bt_ctf_field_type_variant_add_field(v_type, v_label1_array_type,
1224                 "LABEL1");
1225         assert(!ret);
1226         ret = bt_ctf_field_type_variant_add_field(v_type, v_label2_seq_type,
1227                 "LABEL2");
1228         assert(!ret);
1229
1230         /* create strct type */
1231         strct_type = bt_ctf_field_type_structure_create();
1232         assert(strct_type);
1233         ret = bt_ctf_field_type_structure_add_field(strct_type, len_type,
1234                 "len");
1235         assert(!ret);
1236         ret = bt_ctf_field_type_structure_add_field(strct_type, fp_type, "fp");
1237         assert(!ret);
1238         ret = bt_ctf_field_type_structure_add_field(strct_type, s_type, "s");
1239         assert(!ret);
1240         ret = bt_ctf_field_type_structure_add_field(strct_type, e_type, "e");
1241         assert(!ret);
1242         ret = bt_ctf_field_type_structure_add_field(strct_type, v_type, "v");
1243         assert(!ret);
1244         ret = bt_ctf_field_type_structure_add_field(strct_type,
1245                 v_label1_array_type, "a");
1246         assert(!ret);
1247
1248         /* create strct */
1249         strct = bt_ctf_field_create(strct_type);
1250         assert(strct);
1251
1252         /* get len field */
1253         len = bt_ctf_field_structure_get_field(strct, "len");
1254         assert(len);
1255
1256         /* get fp field */
1257         fp = bt_ctf_field_structure_get_field(strct, "fp");
1258         assert(fp);
1259
1260         /* get s field */
1261         s = bt_ctf_field_structure_get_field(strct, "s");
1262         assert(s);
1263
1264         /* get e field */
1265         e = bt_ctf_field_structure_get_field(strct, "e");
1266         assert(e);
1267
1268         /* get e_int (underlying integer) */
1269         e_int = bt_ctf_field_enumeration_get_container(e);
1270         assert(e_int);
1271
1272         /* get v field */
1273         v = bt_ctf_field_structure_get_field(strct, "v");
1274         assert(v);
1275
1276         /* get a field */
1277         a = bt_ctf_field_structure_get_field(strct, "a");
1278         assert(a);
1279
1280         /* set len field */
1281         ret = bt_ctf_field_unsigned_integer_set_value(len, 7);
1282         assert(!ret);
1283
1284         /* set fp field */
1285         ret = bt_ctf_field_floating_point_set_value(fp, 3.14);
1286         assert(!ret);
1287
1288         /* set s field */
1289         ret = bt_ctf_field_string_set_value(s, "btbt");
1290         assert(!ret);
1291
1292         /* set e field (LABEL2) */
1293         ret = bt_ctf_field_unsigned_integer_set_value(e_int, 23);
1294         assert(!ret);
1295
1296         /* set v field */
1297         v_selected = bt_ctf_field_variant_get_field(v, e);
1298         assert(v_selected);
1299         ok(!bt_ctf_field_variant_get_current_field(NULL),
1300                 "bt_ctf_field_variant_get_current_field handles NULL correctly");
1301         v_selected_cur = bt_ctf_field_variant_get_current_field(v);
1302         ok(v_selected_cur == v_selected,
1303                 "bt_ctf_field_variant_get_current_field returns the current field");
1304         bt_put(v_selected_cur);
1305
1306         /* set selected v field */
1307         ret = bt_ctf_field_sequence_set_length(v_selected, len);
1308         assert(!ret);
1309         v_selected_0 = bt_ctf_field_sequence_get_field(v_selected, 0);
1310         assert(v_selected_0);
1311         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_0, 7);
1312         assert(!ret);
1313         v_selected_1 = bt_ctf_field_sequence_get_field(v_selected, 1);
1314         assert(v_selected_1);
1315         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_1, 6);
1316         assert(!ret);
1317         v_selected_2 = bt_ctf_field_sequence_get_field(v_selected, 2);
1318         assert(v_selected_2);
1319         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_2, 5);
1320         assert(!ret);
1321         v_selected_3 = bt_ctf_field_sequence_get_field(v_selected, 3);
1322         assert(v_selected_3);
1323         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_3, 4);
1324         assert(!ret);
1325         v_selected_4 = bt_ctf_field_sequence_get_field(v_selected, 4);
1326         assert(v_selected_4);
1327         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_4, 3);
1328         assert(!ret);
1329         v_selected_5 = bt_ctf_field_sequence_get_field(v_selected, 5);
1330         assert(v_selected_5);
1331         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_5, 2);
1332         assert(!ret);
1333         v_selected_6 = bt_ctf_field_sequence_get_field(v_selected, 6);
1334         assert(v_selected_6);
1335         ret = bt_ctf_field_unsigned_integer_set_value(v_selected_6, 1);
1336         assert(!ret);
1337
1338         /* set a field */
1339         a_0 = bt_ctf_field_array_get_field(a, 0);
1340         assert(a_0);
1341         ret = bt_ctf_field_string_set_value(a_0, "a_0");
1342         assert(!ret);
1343         a_1 = bt_ctf_field_array_get_field(a, 1);
1344         assert(a_1);
1345         ret = bt_ctf_field_string_set_value(a_1, "a_1");
1346         assert(!ret);
1347         a_2 = bt_ctf_field_array_get_field(a, 2);
1348         assert(a_2);
1349         ret = bt_ctf_field_string_set_value(a_2, "a_2");
1350         assert(!ret);
1351         a_3 = bt_ctf_field_array_get_field(a, 3);
1352         assert(a_3);
1353         ret = bt_ctf_field_string_set_value(a_3, "a_3");
1354         assert(!ret);
1355         a_4 = bt_ctf_field_array_get_field(a, 4);
1356         assert(a_4);
1357         ret = bt_ctf_field_string_set_value(a_4, "a_4");
1358         assert(!ret);
1359
1360         /* create copy of strct */
1361         ok(!bt_ctf_field_copy(NULL),
1362                 "bt_ctf_field_copy handles NULL correctly");
1363         strct_copy = bt_ctf_field_copy(strct);
1364         ok(strct_copy,
1365                 "bt_ctf_field_copy returns a valid pointer");
1366
1367         /* get all copied fields */
1368         len_copy = bt_ctf_field_structure_get_field(strct_copy, "len");
1369         assert(len_copy);
1370         fp_copy = bt_ctf_field_structure_get_field(strct_copy, "fp");
1371         assert(fp_copy);
1372         s_copy = bt_ctf_field_structure_get_field(strct_copy, "s");
1373         assert(s_copy);
1374         e_copy = bt_ctf_field_structure_get_field(strct_copy, "e");
1375         assert(e_copy);
1376         e_int_copy = bt_ctf_field_enumeration_get_container(e_copy);
1377         assert(e_int_copy);
1378         v_copy = bt_ctf_field_structure_get_field(strct_copy, "v");
1379         assert(v_copy);
1380         v_selected_copy = bt_ctf_field_variant_get_field(v_copy, e_copy);
1381         assert(v_selected_copy);
1382         v_selected_0_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 0);
1383         assert(v_selected_0_copy);
1384         v_selected_1_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 1);
1385         assert(v_selected_1_copy);
1386         v_selected_2_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 2);
1387         assert(v_selected_2_copy);
1388         v_selected_3_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 3);
1389         assert(v_selected_3_copy);
1390         v_selected_4_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 4);
1391         assert(v_selected_4_copy);
1392         v_selected_5_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 5);
1393         assert(v_selected_5_copy);
1394         v_selected_6_copy = bt_ctf_field_sequence_get_field(v_selected_copy, 6);
1395         assert(v_selected_6_copy);
1396         ok(!bt_ctf_field_sequence_get_field(v_selected_copy, 7),
1397                 "sequence field copy is not too large");
1398         a_copy = bt_ctf_field_structure_get_field(strct_copy, "a");
1399         assert(a_copy);
1400         a_0_copy = bt_ctf_field_array_get_field(a_copy, 0);
1401         assert(a_0_copy);
1402         a_1_copy = bt_ctf_field_array_get_field(a_copy, 1);
1403         assert(a_1_copy);
1404         a_2_copy = bt_ctf_field_array_get_field(a_copy, 2);
1405         assert(a_2_copy);
1406         a_3_copy = bt_ctf_field_array_get_field(a_copy, 3);
1407         assert(a_3_copy);
1408         a_4_copy = bt_ctf_field_array_get_field(a_copy, 4);
1409         assert(a_4_copy);
1410         ok(!bt_ctf_field_array_get_field(v_selected_copy, 5),
1411                 "array field copy is not too large");
1412
1413         /* make sure copied fields are different pointers */
1414         field_copy_tests_validate_diff_ptrs(strct_copy, strct, "strct");
1415         field_copy_tests_validate_diff_ptrs(len_copy, len, "len");
1416         field_copy_tests_validate_diff_ptrs(fp_copy, fp, "fp");
1417         field_copy_tests_validate_diff_ptrs(s_copy, s, "s");
1418         field_copy_tests_validate_diff_ptrs(e_int_copy, e_int, "e_int");
1419         field_copy_tests_validate_diff_ptrs(e_copy, e, "e");
1420         field_copy_tests_validate_diff_ptrs(v_copy, v, "v");
1421         field_copy_tests_validate_diff_ptrs(v_selected_copy, v_selected,
1422                 "v_selected");
1423         field_copy_tests_validate_diff_ptrs(v_selected_0_copy, v_selected_0,
1424                 "v_selected_0");
1425         field_copy_tests_validate_diff_ptrs(v_selected_1_copy, v_selected_1,
1426                 "v_selected_1");
1427         field_copy_tests_validate_diff_ptrs(v_selected_2_copy, v_selected_2,
1428                 "v_selected_2");
1429         field_copy_tests_validate_diff_ptrs(v_selected_3_copy, v_selected_3,
1430                 "v_selected_3");
1431         field_copy_tests_validate_diff_ptrs(v_selected_4_copy, v_selected_4,
1432                 "v_selected_4");
1433         field_copy_tests_validate_diff_ptrs(v_selected_5_copy, v_selected_5,
1434                 "v_selected_5");
1435         field_copy_tests_validate_diff_ptrs(v_selected_6_copy, v_selected_6,
1436                 "v_selected_6");
1437         field_copy_tests_validate_diff_ptrs(a_copy, a, "a");
1438         field_copy_tests_validate_diff_ptrs(a_0_copy, a_0, "a_0");
1439         field_copy_tests_validate_diff_ptrs(a_1_copy, a_1, "a_1");
1440         field_copy_tests_validate_diff_ptrs(a_2_copy, a_2, "a_2");
1441         field_copy_tests_validate_diff_ptrs(a_3_copy, a_3, "a_3");
1442         field_copy_tests_validate_diff_ptrs(a_4_copy, a_4, "a_4");
1443
1444         /* make sure copied fields share the same types */
1445         field_copy_tests_validate_same_type(strct_copy, strct_type, "strct");
1446         field_copy_tests_validate_same_type(len_copy, len_type, "len");
1447         field_copy_tests_validate_same_type(fp_copy, fp_type, "fp");
1448         field_copy_tests_validate_same_type(e_int_copy, e_int_type, "e_int");
1449         field_copy_tests_validate_same_type(e_copy, e_type, "e");
1450         field_copy_tests_validate_same_type(v_copy, v_type, "v");
1451         field_copy_tests_validate_same_type(v_selected_copy, v_label2_seq_type,
1452                 "v_selected");
1453         field_copy_tests_validate_same_type(v_selected_0_copy, v_label2_type,
1454                 "v_selected_0");
1455         field_copy_tests_validate_same_type(v_selected_1_copy, v_label2_type,
1456                 "v_selected_1");
1457         field_copy_tests_validate_same_type(v_selected_2_copy, v_label2_type,
1458                 "v_selected_2");
1459         field_copy_tests_validate_same_type(v_selected_3_copy, v_label2_type,
1460                 "v_selected_3");
1461         field_copy_tests_validate_same_type(v_selected_4_copy, v_label2_type,
1462                 "v_selected_4");
1463         field_copy_tests_validate_same_type(v_selected_5_copy, v_label2_type,
1464                 "v_selected_5");
1465         field_copy_tests_validate_same_type(v_selected_6_copy, v_label2_type,
1466                 "v_selected_6");
1467         field_copy_tests_validate_same_type(a_copy, v_label1_array_type, "a");
1468         field_copy_tests_validate_same_type(a_0_copy, v_label1_type, "a_0");
1469         field_copy_tests_validate_same_type(a_1_copy, v_label1_type, "a_1");
1470         field_copy_tests_validate_same_type(a_2_copy, v_label1_type, "a_2");
1471         field_copy_tests_validate_same_type(a_3_copy, v_label1_type, "a_3");
1472         field_copy_tests_validate_same_type(a_4_copy, v_label1_type, "a_4");
1473
1474         /* validate len copy */
1475         ret = bt_ctf_field_unsigned_integer_get_value(len_copy, &uint64_t_val);
1476         assert(!ret);
1477         ok(uint64_t_val == 7,
1478                 "bt_ctf_field_copy creates a valid integer field copy");
1479
1480         /* validate fp copy */
1481         ret = bt_ctf_field_floating_point_get_value(fp_copy, &double_val);
1482         assert(!ret);
1483         ok(double_val == 3.14,
1484                 "bt_ctf_field_copy creates a valid floating point number field copy");
1485
1486         /* validate s copy */
1487         str_val = bt_ctf_field_string_get_value(s_copy);
1488         ok(str_val && !strcmp(str_val, "btbt"),
1489                 "bt_ctf_field_copy creates a valid string field copy");
1490
1491         /* validate e_int copy */
1492         ret = bt_ctf_field_unsigned_integer_get_value(e_int_copy,
1493                 &uint64_t_val);
1494         assert(!ret);
1495         ok(uint64_t_val == 23,
1496                 "bt_ctf_field_copy creates a valid enum's integer field copy");
1497
1498         /* validate e copy */
1499         e_iter = bt_ctf_field_enumeration_get_mappings(e_copy);
1500         (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(e_iter,
1501                 &str_val, NULL, NULL);
1502         ok(str_val && !strcmp(str_val, "LABEL2"),
1503                 "bt_ctf_field_copy creates a valid enum field copy");
1504
1505         /* validate v_selected copy */
1506         v_selected_copy_len = bt_ctf_field_sequence_get_length(v_selected);
1507         assert(v_selected_copy_len);
1508         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_copy_len,
1509                 &uint64_t_val);
1510         assert(!ret);
1511         ok(uint64_t_val == 7,
1512                 "bt_ctf_field_copy creates a sequence field copy with the proper length");
1513         bt_put(v_selected_copy_len);
1514         v_selected_copy_len = NULL;
1515
1516         /* validate v_selected copy fields */
1517         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_0_copy,
1518                 &uint64_t_val);
1519         assert(!ret);
1520         ok(uint64_t_val == 7,
1521                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_0)");
1522         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_1_copy,
1523                 &uint64_t_val);
1524         assert(!ret);
1525         ok(uint64_t_val == 6,
1526                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_1)");
1527         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_2_copy,
1528                 &uint64_t_val);
1529         assert(!ret);
1530         ok(uint64_t_val == 5,
1531                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_2)");
1532         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_3_copy,
1533                 &uint64_t_val);
1534         assert(!ret);
1535         ok(uint64_t_val == 4,
1536                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_3)");
1537         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_4_copy,
1538                 &uint64_t_val);
1539         assert(!ret);
1540         ok(uint64_t_val == 3,
1541                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_4)");
1542         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_5_copy,
1543                 &uint64_t_val);
1544         assert(!ret);
1545         ok(uint64_t_val == 2,
1546                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_5)");
1547         ret = bt_ctf_field_unsigned_integer_get_value(v_selected_6_copy,
1548                 &uint64_t_val);
1549         assert(!ret);
1550         ok(uint64_t_val == 1,
1551                 "bt_ctf_field_copy creates a valid sequence field element copy (v_selected_6)");
1552
1553         /* validate a copy fields */
1554         str_val = bt_ctf_field_string_get_value(a_0_copy);
1555         ok(str_val && !strcmp(str_val, "a_0"),
1556                 "bt_ctf_field_copy creates a valid array field element copy (a_0)");
1557         str_val = bt_ctf_field_string_get_value(a_1_copy);
1558         ok(str_val && !strcmp(str_val, "a_1"),
1559                 "bt_ctf_field_copy creates a valid array field element copy (a_1)");
1560         str_val = bt_ctf_field_string_get_value(a_2_copy);
1561         ok(str_val && !strcmp(str_val, "a_2"),
1562                 "bt_ctf_field_copy creates a valid array field element copy (a_2)");
1563         str_val = bt_ctf_field_string_get_value(a_3_copy);
1564         ok(str_val && !strcmp(str_val, "a_3"),
1565                 "bt_ctf_field_copy creates a valid array field element copy (a_3)");
1566         str_val = bt_ctf_field_string_get_value(a_4_copy);
1567         ok(str_val && !strcmp(str_val, "a_4"),
1568                 "bt_ctf_field_copy creates a valid array field element copy (a_4)");
1569
1570         /* put everything */
1571         bt_put(len_type);
1572         bt_put(fp_type);
1573         bt_put(s_type);
1574         bt_put(e_int_type);
1575         bt_put(e_type);
1576         bt_put(v_type);
1577         bt_put(v_label1_type);
1578         bt_put(v_label1_array_type);
1579         bt_put(v_label2_type);
1580         bt_put(v_label2_seq_type);
1581         bt_put(strct_type);
1582         bt_put(len);
1583         bt_put(fp);
1584         bt_put(s);
1585         bt_put(e_int);
1586         bt_put(e);
1587         bt_put(v);
1588         bt_put(v_selected);
1589         bt_put(v_selected_0);
1590         bt_put(v_selected_1);
1591         bt_put(v_selected_2);
1592         bt_put(v_selected_3);
1593         bt_put(v_selected_4);
1594         bt_put(v_selected_5);
1595         bt_put(v_selected_6);
1596         bt_put(a);
1597         bt_put(a_0);
1598         bt_put(a_1);
1599         bt_put(a_2);
1600         bt_put(a_3);
1601         bt_put(a_4);
1602         bt_put(strct);
1603         bt_put(len_copy);
1604         bt_put(fp_copy);
1605         bt_put(s_copy);
1606         bt_put(e_int_copy);
1607         bt_put(e_copy);
1608         bt_put(v_copy);
1609         bt_put(v_selected_copy);
1610         bt_put(v_selected_0_copy);
1611         bt_put(v_selected_1_copy);
1612         bt_put(v_selected_2_copy);
1613         bt_put(v_selected_3_copy);
1614         bt_put(v_selected_4_copy);
1615         bt_put(v_selected_5_copy);
1616         bt_put(v_selected_6_copy);
1617         bt_put(a_copy);
1618         bt_put(a_0_copy);
1619         bt_put(a_1_copy);
1620         bt_put(a_2_copy);
1621         bt_put(a_3_copy);
1622         bt_put(a_4_copy);
1623         bt_put(strct_copy);
1624         bt_put(e_iter);
1625 }
1626
1627 static
1628 void type_field_tests()
1629 {
1630         struct bt_ctf_field *uint_12;
1631         struct bt_ctf_field *int_16;
1632         struct bt_ctf_field *string;
1633         struct bt_ctf_field *enumeration;
1634         struct bt_ctf_field_type *composite_structure_type;
1635         struct bt_ctf_field_type *structure_seq_type;
1636         struct bt_ctf_field_type *string_type;
1637         struct bt_ctf_field_type *sequence_type;
1638         struct bt_ctf_field_type *uint_8_type;
1639         struct bt_ctf_field_type *int_16_type;
1640         struct bt_ctf_field_type *uint_12_type =
1641                 bt_ctf_field_type_integer_create(12);
1642         struct bt_ctf_field_type *enumeration_type;
1643         struct bt_ctf_field_type *returned_type;
1644         const char *ret_string;
1645
1646         returned_type = bt_ctf_field_get_type(NULL);
1647         ok(!returned_type, "bt_ctf_field_get_type handles NULL correctly");
1648
1649         ok(uint_12_type, "Create an unsigned integer type");
1650         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1651                 BT_CTF_INTEGER_BASE_BINARY) == 0,
1652                 "Set integer type's base as binary");
1653         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1654                 BT_CTF_INTEGER_BASE_DECIMAL) == 0,
1655                 "Set integer type's base as decimal");
1656         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1657                 BT_CTF_INTEGER_BASE_UNKNOWN),
1658                 "Reject integer type's base set as unknown");
1659         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1660                 BT_CTF_INTEGER_BASE_OCTAL) == 0,
1661                 "Set integer type's base as octal");
1662         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1663                 BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
1664                 "Set integer type's base as hexadecimal");
1665         ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
1666                 "Reject unknown integer base value");
1667         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
1668                 "Set integer type signedness to signed");
1669         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
1670                 "Set integer type signedness to unsigned");
1671         ok(bt_ctf_field_type_integer_get_size(NULL) < 0,
1672                 "bt_ctf_field_type_integer_get_size handles NULL correctly");
1673         ok(bt_ctf_field_type_integer_get_size(uint_12_type) == 12,
1674                 "bt_ctf_field_type_integer_get_size returns a correct value");
1675         ok(bt_ctf_field_type_integer_get_signed(NULL) < 0,
1676                 "bt_ctf_field_type_integer_get_signed handles NULL correctly");
1677         ok(bt_ctf_field_type_integer_get_signed(uint_12_type) == 0,
1678                 "bt_ctf_field_type_integer_get_signed returns a correct value for unsigned types");
1679
1680         ok(bt_ctf_field_type_set_byte_order(NULL,
1681                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) < 0,
1682                 "bt_ctf_field_type_set_byte_order handles NULL correctly");
1683         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1684                 (enum bt_ctf_byte_order) 42) < 0,
1685                 "bt_ctf_field_type_set_byte_order rejects invalid values");
1686         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1687                 BT_CTF_BYTE_ORDER_LITTLE_ENDIAN) == 0,
1688                 "Set an integer's byte order to little endian");
1689         ok(bt_ctf_field_type_set_byte_order(uint_12_type,
1690                 BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
1691                 "Set an integer's byte order to big endian");
1692         ok(bt_ctf_field_type_get_byte_order(uint_12_type) ==
1693                 BT_CTF_BYTE_ORDER_BIG_ENDIAN,
1694                 "bt_ctf_field_type_get_byte_order returns a correct value");
1695         ok(bt_ctf_field_type_get_byte_order(NULL) ==
1696                 BT_CTF_BYTE_ORDER_UNKNOWN,
1697                 "bt_ctf_field_type_get_byte_order handles NULL correctly");
1698
1699         ok(bt_ctf_field_type_get_type_id(NULL) ==
1700                 BT_CTF_FIELD_TYPE_ID_UNKNOWN,
1701                 "bt_ctf_field_type_get_type_id handles NULL correctly");
1702         ok(bt_ctf_field_type_get_type_id(uint_12_type) ==
1703                 BT_CTF_FIELD_TYPE_ID_INTEGER,
1704                 "bt_ctf_field_type_get_type_id returns a correct value with an integer type");
1705
1706         ok(bt_ctf_field_type_integer_get_base(NULL) ==
1707                 BT_CTF_INTEGER_BASE_UNKNOWN,
1708                 "bt_ctf_field_type_integer_get_base handles NULL correctly");
1709         ok(bt_ctf_field_type_integer_get_base(uint_12_type) ==
1710                 BT_CTF_INTEGER_BASE_HEXADECIMAL,
1711                 "bt_ctf_field_type_integer_get_base returns a correct value");
1712
1713         ok(bt_ctf_field_type_integer_set_encoding(NULL,
1714                 BT_CTF_STRING_ENCODING_ASCII) < 0,
1715                 "bt_ctf_field_type_integer_set_encoding handles NULL correctly");
1716         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1717                 (enum bt_ctf_string_encoding) 123) < 0,
1718                 "bt_ctf_field_type_integer_set_encoding handles invalid encodings correctly");
1719         ok(bt_ctf_field_type_integer_set_encoding(uint_12_type,
1720                 BT_CTF_STRING_ENCODING_UTF8) == 0,
1721                 "Set integer type encoding to UTF8");
1722         ok(bt_ctf_field_type_integer_get_encoding(NULL) ==
1723                 BT_CTF_STRING_ENCODING_UNKNOWN,
1724                 "bt_ctf_field_type_integer_get_encoding handles NULL correctly");
1725         ok(bt_ctf_field_type_integer_get_encoding(uint_12_type) ==
1726                 BT_CTF_STRING_ENCODING_UTF8,
1727                 "bt_ctf_field_type_integer_get_encoding returns a correct value");
1728
1729         int_16_type = bt_ctf_field_type_integer_create(16);
1730         assert(int_16_type);
1731         ok(!bt_ctf_field_type_integer_set_signed(int_16_type, 1),
1732                 "Set signedness of 16 bit integer to true");
1733         ok(bt_ctf_field_type_integer_get_signed(int_16_type) == 1,
1734                 "bt_ctf_field_type_integer_get_signed returns a correct value for signed types");
1735         uint_8_type = bt_ctf_field_type_integer_create(8);
1736         sequence_type =
1737                 bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
1738         ok(sequence_type, "Create a sequence of int16_t type");
1739         ok(bt_ctf_field_type_get_type_id(sequence_type) ==
1740                 BT_CTF_FIELD_TYPE_ID_SEQUENCE,
1741                 "bt_ctf_field_type_get_type_id returns a correct value with a sequence type");
1742
1743         ok(bt_ctf_field_type_sequence_get_length_field_name(NULL) == NULL,
1744                 "bt_ctf_field_type_sequence_get_length_field_name handles NULL correctly");
1745         ret_string = bt_ctf_field_type_sequence_get_length_field_name(
1746                 sequence_type);
1747         ok(!strcmp(ret_string, "seq_len"),
1748                 "bt_ctf_field_type_sequence_get_length_field_name returns the correct value");
1749         ok(bt_ctf_field_type_sequence_get_element_type(NULL) == NULL,
1750                 "bt_ctf_field_type_sequence_get_element_type handles NULL correctly");
1751         returned_type = bt_ctf_field_type_sequence_get_element_type(
1752                 sequence_type);
1753         ok(returned_type == int_16_type,
1754                 "bt_ctf_field_type_sequence_get_element_type returns the correct type");
1755         bt_put(returned_type);
1756
1757         string_type = bt_ctf_field_type_string_create();
1758         ok(string_type, "Create a string type");
1759         ok(bt_ctf_field_type_string_set_encoding(string_type,
1760                 BT_CTF_STRING_ENCODING_NONE),
1761                 "Reject invalid \"None\" string encoding");
1762         ok(bt_ctf_field_type_string_set_encoding(string_type,
1763                 42),
1764                 "Reject invalid string encoding");
1765         ok(bt_ctf_field_type_string_set_encoding(string_type,
1766                 BT_CTF_STRING_ENCODING_ASCII) == 0,
1767                 "Set string encoding to ASCII");
1768
1769         ok(bt_ctf_field_type_string_get_encoding(NULL) ==
1770                 BT_CTF_STRING_ENCODING_UNKNOWN,
1771                 "bt_ctf_field_type_string_get_encoding handles NULL correctly");
1772         ok(bt_ctf_field_type_string_get_encoding(string_type) ==
1773                 BT_CTF_STRING_ENCODING_ASCII,
1774                 "bt_ctf_field_type_string_get_encoding returns the correct value");
1775
1776         structure_seq_type = bt_ctf_field_type_structure_create();
1777         ok(bt_ctf_field_type_get_type_id(structure_seq_type) ==
1778                 BT_CTF_FIELD_TYPE_ID_STRUCT,
1779                 "bt_ctf_field_type_get_type_id returns a correct value with a structure type");
1780         ok(structure_seq_type, "Create a structure type");
1781         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1782                 uint_8_type, "seq_len") == 0,
1783                 "Add a uint8_t type to a structure");
1784         ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
1785                 sequence_type, "a_sequence") == 0,
1786                 "Add a sequence type to a structure");
1787
1788         ok(bt_ctf_field_type_structure_get_field_count(NULL) < 0,
1789                 "bt_ctf_field_type_structure_get_field_count handles NULL correctly");
1790         ok(bt_ctf_field_type_structure_get_field_count(structure_seq_type) == 2,
1791                 "bt_ctf_field_type_structure_get_field_count returns a correct value");
1792
1793         ok(bt_ctf_field_type_structure_get_field(NULL,
1794                 &ret_string, &returned_type, 1) < 0,
1795                 "bt_ctf_field_type_structure_get_field handles a NULL type correctly");
1796         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1797                 NULL, &returned_type, 1) == 0,
1798                 "bt_ctf_field_type_structure_get_field handles a NULL name correctly");
1799         bt_put(returned_type);
1800         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1801                 &ret_string, NULL, 1) == 0,
1802                 "bt_ctf_field_type_structure_get_field handles a NULL return type correctly");
1803         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1804                 &ret_string, &returned_type, 10) < 0,
1805                 "bt_ctf_field_type_structure_get_field handles an invalid index correctly");
1806         ok(bt_ctf_field_type_structure_get_field(structure_seq_type,
1807                 &ret_string, &returned_type, 1) == 0,
1808                 "bt_ctf_field_type_structure_get_field returns a field");
1809         ok(!strcmp(ret_string, "a_sequence"),
1810                 "bt_ctf_field_type_structure_get_field returns a correct field name");
1811         ok(returned_type == sequence_type,
1812                 "bt_ctf_field_type_structure_get_field returns a correct field type");
1813         bt_put(returned_type);
1814
1815         ok(bt_ctf_field_type_structure_get_field_type_by_name(NULL, "a_sequence") == NULL,
1816                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL structure correctly");
1817         ok(bt_ctf_field_type_structure_get_field_type_by_name(structure_seq_type, NULL) == NULL,
1818                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1819         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1820                 structure_seq_type, "a_sequence");
1821         ok(returned_type == sequence_type,
1822                 "bt_ctf_field_type_structure_get_field_type_by_name returns the correct field type");
1823         bt_put(returned_type);
1824
1825         composite_structure_type = bt_ctf_field_type_structure_create();
1826         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1827                 string_type, "a_string") == 0,
1828                 "Add a string type to a structure");
1829         ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
1830                 structure_seq_type, "inner_structure") == 0,
1831                 "Add a structure type to a structure");
1832
1833         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1834                 NULL, "a_sequence") == NULL,
1835                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field correctly");
1836         ok(bt_ctf_field_type_structure_get_field_type_by_name(
1837                 structure_seq_type, NULL) == NULL,
1838                 "bt_ctf_field_type_structure_get_field_type_by_name handles a NULL field name correctly");
1839         returned_type = bt_ctf_field_type_structure_get_field_type_by_name(
1840                 structure_seq_type, "a_sequence");
1841         ok(returned_type == sequence_type,
1842                 "bt_ctf_field_type_structure_get_field_type_by_name returns a correct type");
1843         bt_put(returned_type);
1844
1845         int_16 = bt_ctf_field_create(int_16_type);
1846         ok(int_16, "Instanciate a signed 16-bit integer");
1847         uint_12 = bt_ctf_field_create(uint_12_type);
1848         ok(uint_12, "Instanciate an unsigned 12-bit integer");
1849         returned_type = bt_ctf_field_get_type(int_16);
1850         ok(returned_type == int_16_type,
1851                 "bt_ctf_field_get_type returns the correct type");
1852
1853         /* Can't modify types after instanciating them */
1854         ok(bt_ctf_field_type_integer_set_base(uint_12_type,
1855                 BT_CTF_INTEGER_BASE_DECIMAL),
1856                 "Check an integer type' base can't be modified after instanciation");
1857         ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
1858                 "Check an integer type's signedness can't be modified after instanciation");
1859
1860         /* Check signed property is checked */
1861         ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
1862                 "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
1863         ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
1864                 "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
1865
1866         /* Check overflows are properly tested for */
1867         ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
1868                 "Check -32768 is allowed for a signed 16-bit integer");
1869         ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
1870                 "Check 32767 is allowed for a signed 16-bit integer");
1871         ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
1872                 "Check 32768 is not allowed for a signed 16-bit integer");
1873         ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
1874                 "Check -32769 is not allowed for a signed 16-bit integer");
1875         ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
1876                 "Check -42 is allowed for a signed 16-bit integer");
1877
1878         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
1879                 "Check 4095 is allowed for an unsigned 12-bit integer");
1880         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
1881                 "Check 4096 is not allowed for a unsigned 12-bit integer");
1882         ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
1883                 "Check 0 is allowed for an unsigned 12-bit integer");
1884
1885         string = bt_ctf_field_create(string_type);
1886         ok(string, "Instanciate a string field");
1887         ok(bt_ctf_field_string_set_value(string, "A value") == 0,
1888                 "Set a string's value");
1889
1890         enumeration_type = bt_ctf_field_type_enumeration_create(uint_12_type);
1891         ok(enumeration_type,
1892                 "Create an enumeration type with an unsigned 12-bit integer as container");
1893         enumeration = bt_ctf_field_create(enumeration_type);
1894         ok(!enumeration,
1895                 "Check enumeration types are validated before instantiation");
1896
1897         bt_put(string);
1898         bt_put(uint_12);
1899         bt_put(int_16);
1900         bt_put(enumeration);
1901         bt_put(composite_structure_type);
1902         bt_put(structure_seq_type);
1903         bt_put(string_type);
1904         bt_put(sequence_type);
1905         bt_put(uint_8_type);
1906         bt_put(int_16_type);
1907         bt_put(uint_12_type);
1908         bt_put(enumeration_type);
1909         bt_put(returned_type);
1910 }
1911
1912 static
1913 void packet_resize_test(struct bt_ctf_stream_class *stream_class,
1914                 struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
1915 {
1916         /*
1917          * Append enough events to force the underlying packet to be resized.
1918          * Also tests that a new event can be declared after a stream has been
1919          * instantiated and used/flushed.
1920          */
1921         int ret = 0;
1922         int i;
1923         struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
1924                 "Spammy_Event");
1925         struct bt_ctf_field_type *integer_type =
1926                 bt_ctf_field_type_integer_create(17);
1927         struct bt_ctf_field_type *string_type =
1928                 bt_ctf_field_type_string_create();
1929         struct bt_ctf_event *event = NULL;
1930         struct bt_ctf_field *ret_field = NULL;
1931         struct bt_ctf_field_type *ret_field_type = NULL;
1932         uint64_t ret_uint64;
1933         int events_appended = 0;
1934         struct bt_ctf_field *packet_context = NULL,
1935                 *packet_context_field = NULL, *stream_event_context = NULL;
1936         struct bt_ctf_field_type *ep_field_1_type = NULL;
1937         struct bt_ctf_field_type *ep_a_string_type = NULL;
1938         struct bt_ctf_field_type *ep_type = NULL;
1939
1940         ret |= bt_ctf_event_class_add_field(event_class, integer_type,
1941                 "field_1");
1942         ret |= bt_ctf_event_class_add_field(event_class, string_type,
1943                 "a_string");
1944         ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
1945         ok(ret == 0, "Add a new event class to a stream class after writing an event");
1946         if (ret) {
1947                 goto end;
1948         }
1949
1950         /*
1951          * bt_ctf_stream_class_add_event_class() copies the field types
1952          * of event_class, so we retrieve the new ones to create the
1953          * appropriate fields.
1954          */
1955         ep_type = bt_ctf_event_class_get_payload_type(event_class);
1956         assert(ep_type);
1957         ep_field_1_type = bt_ctf_field_type_structure_get_field_type_by_name(
1958                 ep_type, "field_1");
1959         assert(ep_field_1_type);
1960         ep_a_string_type = bt_ctf_field_type_structure_get_field_type_by_name(
1961                 ep_type, "a_string");
1962         assert(ep_a_string_type);
1963
1964         event = bt_ctf_event_create(event_class);
1965         ret_field = bt_ctf_event_get_payload_by_index(event, 0);
1966         ret_field_type = bt_ctf_field_get_type(ret_field);
1967         ok(bt_ctf_field_type_compare(ret_field_type, integer_type) == 0,
1968                 "bt_ctf_event_get_payload_by_index returns a correct field");
1969         bt_put(ret_field_type);
1970         bt_put(ret_field);
1971
1972         ok(bt_ctf_event_get_payload_by_index(NULL, 0) == NULL,
1973                 "bt_ctf_event_get_payload_by_index handles NULL correctly");
1974         ok(bt_ctf_event_get_payload_by_index(event, 4) == NULL,
1975                 "bt_ctf_event_get_payload_by_index handles an invalid index correctly");
1976         bt_put(event);
1977
1978         for (i = 0; i < packet_resize_test_length; i++) {
1979                 event = bt_ctf_event_create(event_class);
1980                 struct bt_ctf_field *integer =
1981                         bt_ctf_field_create(ep_field_1_type);
1982                 struct bt_ctf_field *string =
1983                         bt_ctf_field_create(ep_a_string_type);
1984
1985                 ret |= bt_ctf_clock_set_time(clock, ++current_time);
1986                 ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
1987                 ret |= bt_ctf_event_set_payload(event, "field_1",
1988                         integer);
1989                 bt_put(integer);
1990                 ret |= bt_ctf_field_string_set_value(string, "This is a test");
1991                 ret |= bt_ctf_event_set_payload(event, "a_string",
1992                         string);
1993                 bt_put(string);
1994
1995                 /* Populate stream event context */
1996                 stream_event_context =
1997                         bt_ctf_event_get_stream_event_context(event);
1998                 integer = bt_ctf_field_structure_get_field(stream_event_context,
1999                         "common_event_context");
2000                 BT_PUT(stream_event_context);
2001                 ret |= bt_ctf_field_unsigned_integer_set_value(integer,
2002                         i % 42);
2003                 bt_put(integer);
2004
2005                 ret |= bt_ctf_stream_append_event(stream, event);
2006                 bt_put(event);
2007
2008                 if (ret) {
2009                         break;
2010                 }
2011         }
2012
2013         events_appended = !!(i == packet_resize_test_length);
2014         ok(bt_ctf_stream_get_discarded_events_count(NULL, &ret_uint64) < 0,
2015                 "bt_ctf_stream_get_discarded_events_count handles a NULL stream correctly");
2016         ok(bt_ctf_stream_get_discarded_events_count(stream, NULL) < 0,
2017                 "bt_ctf_stream_get_discarded_events_count handles a NULL return pointer correctly");
2018         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2019         ok(ret == 0 && ret_uint64 == 0,
2020                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when none were discarded");
2021         bt_ctf_stream_append_discarded_events(stream, 1000);
2022         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2023         ok(ret == 0 && ret_uint64 == 1000,
2024                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events when some were discarded");
2025
2026 end:
2027         ok(events_appended, "Append 100 000 events to a stream");
2028
2029         /*
2030          * Populate the custom packet context field with a dummy value
2031          * otherwise flush will fail.
2032          */
2033         packet_context = bt_ctf_stream_get_packet_context(stream);
2034         packet_context_field = bt_ctf_field_structure_get_field(packet_context,
2035                 "custom_packet_context_field");
2036         bt_ctf_field_unsigned_integer_set_value(packet_context_field, 2);
2037
2038         ok(bt_ctf_stream_flush(stream) == 0,
2039                 "Flush a stream that forces a packet resize");
2040         ret = bt_ctf_stream_get_discarded_events_count(stream, &ret_uint64);
2041         ok(ret == 0 && ret_uint64 == 1000,
2042                 "bt_ctf_stream_get_discarded_events_count returns a correct number of discarded events after a flush");
2043         bt_put(integer_type);
2044         bt_put(string_type);
2045         bt_put(packet_context);
2046         bt_put(packet_context_field);
2047         bt_put(stream_event_context);
2048         bt_put(event_class);
2049         bt_put(ep_field_1_type);
2050         bt_put(ep_a_string_type);
2051         bt_put(ep_type);
2052 }
2053
2054 static
2055 void test_empty_stream(struct bt_ctf_writer *writer)
2056 {
2057         int ret = 0;
2058         struct bt_ctf_trace *trace = NULL, *ret_trace = NULL;
2059         struct bt_ctf_stream_class *stream_class = NULL;
2060         struct bt_ctf_stream *stream = NULL;
2061
2062         trace = bt_ctf_writer_get_trace(writer);
2063         if (!trace) {
2064                 diag("Failed to get trace from writer");
2065                 ret = -1;
2066                 goto end;
2067         }
2068
2069         stream_class = bt_ctf_stream_class_create("empty_stream");
2070         if (!stream_class) {
2071                 diag("Failed to create stream class");
2072                 ret = -1;
2073                 goto end;
2074         }
2075
2076         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2077         assert(ret == 0);
2078         ret = bt_ctf_stream_class_set_event_header_type(stream_class, NULL);
2079         assert(ret == 0);
2080
2081         ok(bt_ctf_stream_class_get_trace(NULL) == NULL,
2082                 "bt_ctf_stream_class_get_trace handles NULL correctly");
2083         ok(bt_ctf_stream_class_get_trace(stream_class) == NULL,
2084                 "bt_ctf_stream_class_get_trace returns NULL when stream class is orphaned");
2085
2086         stream = bt_ctf_writer_create_stream(writer, stream_class);
2087         if (!stream) {
2088                 diag("Failed to create writer stream");
2089                 ret = -1;
2090                 goto end;
2091         }
2092
2093         ret_trace = bt_ctf_stream_class_get_trace(stream_class);
2094         ok(ret_trace == trace,
2095                 "bt_ctf_stream_class_get_trace returns the correct trace after a stream has been created");
2096 end:
2097         ok(ret == 0,
2098                 "Created a stream class with default attributes and an empty stream");
2099         bt_put(trace);
2100         bt_put(ret_trace);
2101         bt_put(stream);
2102         bt_put(stream_class);
2103 }
2104
2105 static
2106 void test_custom_event_header_stream(struct bt_ctf_writer *writer,
2107                         struct bt_ctf_clock *clock)
2108 {
2109         int i, ret;
2110         struct bt_ctf_stream_class *stream_class = NULL;
2111         struct bt_ctf_stream *stream = NULL;
2112         struct bt_ctf_field_type *integer_type = NULL,
2113                 *sequence_type = NULL, *event_header_type = NULL;
2114         struct bt_ctf_field *integer = NULL, *sequence = NULL,
2115                 *event_header = NULL, *packet_header = NULL;
2116         struct bt_ctf_event_class *event_class = NULL;
2117         struct bt_ctf_event *event = NULL;
2118
2119         stream_class = bt_ctf_stream_class_create("custom_event_header_stream");
2120         if (!stream_class) {
2121                 fail("Failed to create stream class");
2122                 goto end;
2123         }
2124
2125         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2126         if (ret) {
2127                 fail("Failed to set stream class clock");
2128                 goto end;
2129         }
2130
2131         /*
2132          * Customize event header to add an "seq_len" integer member
2133          * which will be used as the length of a sequence in an event of this
2134          * stream.
2135          */
2136         event_header_type = bt_ctf_stream_class_get_event_header_type(
2137                 stream_class);
2138         if (!event_header_type) {
2139                 fail("Failed to get event header type");
2140                 goto end;
2141         }
2142
2143         integer_type = bt_ctf_field_type_integer_create(13);
2144         if (!integer_type) {
2145                 fail("Failed to create length integer type");
2146                 goto end;
2147         }
2148
2149         ret = bt_ctf_field_type_structure_add_field(event_header_type,
2150                 integer_type, "seq_len");
2151         if (ret) {
2152                 fail("Failed to add a new field to stream event header");
2153                 goto end;
2154         }
2155
2156         event_class = bt_ctf_event_class_create("sequence_event");
2157         if (!event_class) {
2158                 fail("Failed to create event class");
2159                 goto end;
2160         }
2161
2162         /*
2163          * This event's payload will contain a sequence which references
2164          * stream.event.header.seq_len as its length field.
2165          */
2166         sequence_type = bt_ctf_field_type_sequence_create(integer_type,
2167                 "stream.event.header.seq_len");
2168         if (!sequence_type) {
2169                 fail("Failed to create a sequence");
2170                 goto end;
2171         }
2172
2173         ret = bt_ctf_event_class_add_field(event_class, sequence_type,
2174                 "some_sequence");
2175         if (ret) {
2176                 fail("Failed to add a sequence to an event class");
2177                 goto end;
2178         }
2179
2180         ret = bt_ctf_stream_class_add_event_class(stream_class, event_class);
2181         if (ret) {
2182                 fail("Failed to add event class to stream class");
2183                 goto end;
2184         }
2185
2186         stream = bt_ctf_writer_create_stream(writer, stream_class);
2187         if (!stream) {
2188                 fail("Failed to create stream")
2189                 goto end;
2190         }
2191
2192         /*
2193          * We have defined a custom packet header field. We have to populate it
2194          * explicitly.
2195          */
2196         packet_header = bt_ctf_stream_get_packet_header(stream);
2197         if (!packet_header) {
2198                 fail("Failed to get stream packet header");
2199                 goto end;
2200         }
2201
2202         integer = bt_ctf_field_structure_get_field(packet_header,
2203                 "custom_trace_packet_header_field");
2204         if (!integer) {
2205                 fail("Failed to retrieve custom_trace_packet_header_field");
2206                 goto end;
2207         }
2208
2209         ret = bt_ctf_field_unsigned_integer_set_value(integer, 3487);
2210         if (ret) {
2211                 fail("Failed to set custom_trace_packet_header_field value");
2212                 goto end;
2213         }
2214         bt_put(integer);
2215
2216         event = bt_ctf_event_create(event_class);
2217         if (!event) {
2218                 fail("Failed to create event");
2219                 goto end;
2220         }
2221
2222         event_header = bt_ctf_event_get_header(event);
2223         if (!event_header) {
2224                 fail("Failed to get event header");
2225                 goto end;
2226         }
2227
2228         integer = bt_ctf_field_structure_get_field(event_header,
2229                 "seq_len");
2230         if (!integer) {
2231                 fail("Failed to get seq_len field from event header");
2232                 goto end;
2233         }
2234
2235         ret = bt_ctf_field_unsigned_integer_set_value(integer, 2);
2236         if (ret) {
2237                 fail("Failed to set seq_len value in event header");
2238                 goto end;
2239         }
2240
2241         /* Populate both sequence integer fields */
2242         sequence = bt_ctf_event_get_payload(event, "some_sequence");
2243         if (!sequence) {
2244                 fail("Failed to retrieve sequence from event");
2245                 goto end;
2246         }
2247
2248         ret = bt_ctf_field_sequence_set_length(sequence, integer);
2249         if (ret) {
2250                 fail("Failed to set sequence length");
2251                 goto end;
2252         }
2253         bt_put(integer);
2254
2255         for (i = 0; i < 2; i++) {
2256                 integer = bt_ctf_field_sequence_get_field(sequence, i);
2257                 if (ret) {
2258                         fail("Failed to retrieve sequence element");
2259                         goto end;
2260                 }
2261
2262                 ret = bt_ctf_field_unsigned_integer_set_value(integer, i);
2263                 if (ret) {
2264                         fail("Failed to set sequence element value");
2265                         goto end;
2266                 }
2267
2268                 bt_put(integer);
2269                 integer = NULL;
2270         }
2271
2272         ret = bt_ctf_stream_append_event(stream, event);
2273         if (ret) {
2274                 fail("Failed to append event to stream");
2275                 goto end;
2276         }
2277
2278         ret = bt_ctf_stream_flush(stream);
2279         if (ret) {
2280                 fail("Failed to flush custom_event_header stream");
2281         }
2282 end:
2283         bt_put(stream);
2284         bt_put(stream_class);
2285         bt_put(event_class);
2286         bt_put(event);
2287         bt_put(integer);
2288         bt_put(sequence);
2289         bt_put(event_header);
2290         bt_put(packet_header);
2291         bt_put(sequence_type);
2292         bt_put(integer_type);
2293         bt_put(event_header_type);
2294 }
2295
2296 static
2297 void test_instanciate_event_before_stream(struct bt_ctf_writer *writer,
2298                 struct bt_ctf_clock *clock)
2299 {
2300         int ret = 0;
2301         struct bt_ctf_stream_class *stream_class = NULL;
2302         struct bt_ctf_stream *stream = NULL,
2303                 *ret_stream = NULL;
2304         struct bt_ctf_event_class *event_class = NULL;
2305         struct bt_ctf_event *event = NULL;
2306         struct bt_ctf_field_type *integer_type = NULL;
2307         struct bt_ctf_field *integer = NULL;
2308
2309         stream_class = bt_ctf_stream_class_create("event_before_stream_test");
2310         if (!stream_class) {
2311                 diag("Failed to create stream class");
2312                 ret = -1;
2313                 goto end;
2314         }
2315
2316         ret = bt_ctf_stream_class_set_clock(stream_class, clock);
2317         if (ret) {
2318                 diag("Failed to set stream class clock");
2319                 goto end;
2320         }
2321
2322         event_class = bt_ctf_event_class_create("some_event_class_name");
2323         integer_type = bt_ctf_field_type_integer_create(32);
2324         if (!integer_type) {
2325                 diag("Failed to create integer field type");
2326                 ret = -1;
2327                 goto end;
2328         }
2329
2330         ret = bt_ctf_event_class_add_field(event_class, integer_type,
2331                 "integer_field");
2332         if (ret) {
2333                 diag("Failed to add field to event class");
2334                 goto end;
2335         }
2336
2337         ret = bt_ctf_stream_class_add_event_class(stream_class,
2338                 event_class);
2339         if (ret) {
2340                 diag("Failed to add event class to stream class");
2341         }
2342
2343         event = bt_ctf_event_create(event_class);
2344         if (!event) {
2345                 diag("Failed to create event");
2346                 ret = -1;
2347                 goto end;
2348         }
2349
2350         integer = bt_ctf_event_get_payload_by_index(event, 0);
2351         if (!integer) {
2352                 diag("Failed to get integer field payload from event");
2353                 ret = -1;
2354                 goto end;
2355         }
2356
2357         ret = bt_ctf_field_unsigned_integer_set_value(integer, 1234);
2358         if (ret) {
2359                 diag("Failed to set integer field value");
2360                 goto end;
2361         }
2362
2363         stream = bt_ctf_writer_create_stream(writer, stream_class);
2364         if (!stream) {
2365                 diag("Failed to create writer stream");
2366                 ret = -1;
2367                 goto end;
2368         }
2369
2370         ok(bt_ctf_event_get_stream(NULL) == NULL,
2371                 "bt_ctf_event_get_stream handles NULL correctly");
2372         ok(bt_ctf_event_get_stream(event) == NULL,
2373                 "bt_ctf_event_get_stream returns NULL on event which has not yet been appended to a stream");
2374
2375         ret = bt_ctf_stream_append_event(stream, event);
2376         if (ret) {
2377                 diag("Failed to append event to stream");
2378                 goto end;
2379         }
2380
2381         ret_stream = bt_ctf_event_get_stream(event);
2382         ok(ret_stream == stream,
2383                 "bt_ctf_event_get_stream returns an event's stream after it has been appended");
2384 end:
2385         ok(ret == 0,
2386                 "Create an event before instanciating its associated stream");
2387         bt_put(stream);
2388         bt_put(ret_stream);
2389         bt_put(stream_class);
2390         bt_put(event_class);
2391         bt_put(event);
2392         bt_put(integer_type);
2393         bt_put(integer);
2394 }
2395
2396 static
2397 void append_existing_event_class(struct bt_ctf_stream_class *stream_class)
2398 {
2399         struct bt_ctf_event_class *event_class;
2400
2401         event_class = bt_ctf_event_class_create("Simple Event");
2402         assert(event_class);
2403         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class) == 0,
2404                 "two event classes with the same name may cohabit within the same stream class");
2405         bt_put(event_class);
2406
2407         event_class = bt_ctf_event_class_create("different name, ok");
2408         assert(event_class);
2409         assert(!bt_ctf_event_class_set_id(event_class, 13));
2410         ok(bt_ctf_stream_class_add_event_class(stream_class, event_class),
2411                 "two event classes with the same ID cannot cohabit within the same stream class");
2412         bt_put(event_class);
2413 }
2414
2415 static
2416 struct bt_ctf_event_class *create_minimal_event_class(void)
2417 {
2418         struct bt_ctf_event_class *ec = NULL;
2419         struct bt_ctf_field_type *int_ft = NULL;
2420         int ret;
2421
2422         int_ft = bt_ctf_field_type_integer_create(23);
2423         assert(int_ft);
2424         ec = bt_ctf_event_class_create("minimal");
2425         assert(ec);
2426         ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
2427         assert(!ret);
2428         BT_PUT(int_ft);
2429
2430         return ec;
2431 }
2432
2433 static
2434 void test_create_writer_vs_non_writer_mode(void)
2435 {
2436         int ret;
2437         gchar *trace_path;
2438         const char *writer_stream_name = "writer stream instance";
2439         struct bt_ctf_writer *writer = NULL;
2440         struct bt_ctf_trace *writer_trace = NULL;
2441         struct bt_ctf_stream_class *writer_sc = NULL;
2442         struct bt_ctf_stream *writer_stream = NULL;
2443         struct bt_ctf_stream *writer_stream2 = NULL;
2444         struct bt_ctf_stream *packet_stream = NULL;
2445         struct bt_ctf_trace *non_writer_trace = NULL;
2446         struct bt_ctf_stream_class *non_writer_sc = NULL;
2447         struct bt_ctf_stream *non_writer_stream = NULL;
2448         struct bt_ctf_stream *non_writer_stream2 = NULL;
2449         struct bt_ctf_event_class *writer_ec = NULL;
2450         struct bt_ctf_event_class *non_writer_ec = NULL;
2451         struct bt_ctf_event *event = NULL;
2452         struct bt_ctf_event *event2 = NULL;
2453         struct bt_ctf_field_type *empty_struct_ft = NULL;
2454         struct bt_ctf_field *int_field = NULL;
2455         struct bt_ctf_clock *writer_clock = NULL;
2456         struct bt_ctf_clock_class *non_writer_clock_class = NULL;
2457         struct bt_ctf_packet *packet = NULL;
2458         struct bt_ctf_packet *packet2 = NULL;
2459
2460         trace_path = g_build_filename(g_get_tmp_dir(), "ctfwriter_XXXXXX", NULL);
2461         if (!bt_mkdtemp(trace_path)) {
2462                 perror("# perror");
2463         }
2464
2465         /* Create empty structure field type (event header) */
2466         empty_struct_ft = bt_ctf_field_type_structure_create();
2467         assert(empty_struct_ft);
2468
2469         /* Create writer, writer stream class, stream, and clock */
2470         writer = bt_ctf_writer_create(trace_path);
2471         assert(writer);
2472         writer_clock = bt_ctf_clock_create("writer_clock");
2473         assert(writer_clock);
2474         ret = bt_ctf_writer_add_clock(writer, writer_clock);
2475         assert(!ret);
2476         ret = bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_LITTLE_ENDIAN);
2477         assert(!ret);
2478         writer_trace = bt_ctf_writer_get_trace(writer);
2479         ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
2480         writer_sc = bt_ctf_stream_class_create("writer_sc");
2481         assert(writer_sc);
2482         ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
2483                 empty_struct_ft);
2484         assert(!ret);
2485         ret = bt_ctf_stream_class_set_clock(writer_sc, writer_clock);
2486         assert(!ret);
2487         ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
2488         assert(!ret);
2489         writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
2490         assert(writer_stream);
2491         ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
2492                 "bt_ctf_stream_get_name() returns the stream's name");
2493
2494         /* Create non-writer trace, stream class, stream, and clock */
2495         non_writer_trace = bt_ctf_trace_create();
2496         assert(non_writer_trace);
2497         non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
2498         assert(non_writer_sc);
2499         ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
2500                 empty_struct_ft);
2501         assert(!ret);
2502         ret = bt_ctf_stream_class_set_packet_context_type(non_writer_sc, NULL);
2503         assert(!ret);
2504         ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
2505         assert(!ret);
2506         non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
2507         assert(non_writer_stream);
2508         non_writer_clock_class =
2509                 bt_ctf_clock_class_create("non_writer_clock_class",
2510                         1000000000);
2511         assert(non_writer_clock_class);
2512         ret = bt_ctf_trace_add_clock_class(non_writer_trace,
2513                 non_writer_clock_class);
2514         assert(!ret);
2515
2516         /* Create event class and event */
2517         writer_ec = create_minimal_event_class();
2518         assert(writer_ec);
2519         ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
2520         assert(!ret);
2521         event = bt_ctf_event_create(writer_ec);
2522         assert(event);
2523         int_field = bt_ctf_event_get_payload_by_index(event, 0);
2524         assert(int_field);
2525         bt_ctf_field_unsigned_integer_set_value(int_field, 17);
2526
2527         /*
2528          * Verify non-writer stream: it should be impossible to append
2529          * an event to it.
2530          */
2531         ok(bt_ctf_stream_append_event(non_writer_stream, event),
2532                 "bt_ctf_stream_append_event() fails with a non-writer stream");
2533
2534         /*
2535          * Verify writer stream: it should be possible to append an
2536          * event to it.
2537          */
2538         ok(!bt_ctf_stream_append_event(writer_stream, event),
2539                 "bt_ctf_stream_append_event() succeeds with a writer stream");
2540
2541         /*
2542          * It should be possible to create a packet from a non-writer
2543          * stream, but not from a writer stream.
2544          */
2545         packet = bt_ctf_packet_create(writer_stream);
2546         ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
2547         packet = bt_ctf_packet_create(non_writer_stream);
2548         ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
2549         packet_stream = bt_ctf_packet_get_stream(packet);
2550         ok(packet_stream == non_writer_stream,
2551                 "bt_ctf_packet_get_stream() returns the correct stream");
2552
2553         /*
2554          * It should not be possible to append an event associated to
2555          * a stream to a different stream.
2556          */
2557         writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
2558         assert(writer_stream2);
2559         ok(bt_ctf_stream_append_event(writer_stream2, event),
2560                 "bt_ctf_stream_append_event() fails with an event associated to another stream");
2561
2562         /*
2563          * It should not be possible to set the packet of an event
2564          * associated to a given stream to a packet associated with
2565          * a different stream.
2566          */
2567         ok(bt_ctf_event_set_packet(event, packet),
2568                 "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
2569
2570         /*
2571          * It should be possible to set the packet of a fresh event, as
2572          * long as the originating stream classes are the same.
2573          */
2574         event2 = bt_ctf_event_create(writer_ec);
2575         assert(event2);
2576         ok(bt_ctf_event_set_packet(event2, packet),
2577                 "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
2578         non_writer_ec = create_minimal_event_class();
2579         assert(non_writer_ec);
2580         ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
2581         assert(!ret);
2582         BT_PUT(event2);
2583         event2 = bt_ctf_event_create(non_writer_ec);
2584         assert(event2);
2585         ok(!bt_ctf_event_set_packet(event2, packet),
2586                 "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
2587
2588         /*
2589          * It should be possible to set a packet created from the same
2590          * stream to an event with an existing packet.
2591          */
2592         packet2 = bt_ctf_packet_create(non_writer_stream);
2593         assert(packet2);
2594         ok(!bt_ctf_event_set_packet(event2, packet2),
2595                 "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
2596         BT_PUT(packet2);
2597
2598         /*
2599          * It should not be possible to set a packet created from a
2600          * different stream to an event with an existing packet.
2601          */
2602         non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
2603         assert(non_writer_stream2);
2604         packet2 = bt_ctf_packet_create(non_writer_stream);
2605         assert(packet2);
2606         ok(!bt_ctf_event_set_packet(event2, packet2),
2607                 "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
2608
2609         bt_put(writer);
2610         bt_put(writer_trace);
2611         bt_put(writer_sc);
2612         bt_put(writer_stream);
2613         bt_put(writer_stream2);
2614         bt_put(non_writer_trace);
2615         bt_put(non_writer_sc);
2616         bt_put(non_writer_stream);
2617         bt_put(non_writer_stream2);
2618         bt_put(packet_stream);
2619         bt_put(writer_ec);
2620         bt_put(non_writer_ec);
2621         bt_put(event);
2622         bt_put(event2);
2623         bt_put(int_field);
2624         bt_put(empty_struct_ft);
2625         bt_put(writer_clock);
2626         bt_put(non_writer_clock_class);
2627         bt_put(packet);
2628         bt_put(packet2);
2629         recursive_rmdir(trace_path);
2630         g_free(trace_path);
2631 }
2632
2633 static
2634 void test_clock_utils(void)
2635 {
2636         int ret;
2637         struct bt_ctf_clock *clock = NULL;
2638
2639         clock = bt_ctf_clock_create("water");
2640         assert(clock);
2641         ret = bt_ctf_clock_set_offset_s(clock, 1234);
2642         assert(!ret);
2643         ret = bt_ctf_clock_set_offset(clock, 1000);
2644         assert(!ret);
2645         ret = bt_ctf_clock_set_frequency(clock, 1000000000);
2646         assert(!ret);
2647         ret = bt_ctf_clock_set_frequency(clock, 1534);
2648         assert(!ret);
2649
2650         BT_PUT(clock);
2651 }
2652
2653 void test_set_clock_non_writer_stream_class(void)
2654 {
2655         struct bt_ctf_clock *clock;
2656         struct bt_ctf_trace *trace;
2657         struct bt_ctf_stream_class *sc;
2658         int ret;
2659
2660         clock = bt_ctf_clock_create("the_clock");
2661         assert(clock);
2662
2663         trace = bt_ctf_trace_create();
2664         assert(trace);
2665
2666         sc = bt_ctf_stream_class_create(NULL);
2667         assert(sc);
2668
2669         ret = bt_ctf_stream_class_set_clock(sc, clock);
2670         assert(ret == 0);
2671
2672         ret = bt_ctf_trace_add_stream_class(trace, sc);
2673         ok(ret < 0,
2674                 "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
2675
2676         bt_put(clock);
2677         bt_put(trace);
2678         bt_put(sc);
2679 }
2680
2681 static
2682 void test_static_trace(void)
2683 {
2684         struct bt_ctf_trace *trace;
2685         struct bt_ctf_stream_class *stream_class;
2686         struct bt_ctf_stream_class *stream_class2;
2687         struct bt_ctf_stream *stream;
2688         struct bt_ctf_clock_class *clock_class;
2689         int ret;
2690
2691         trace = bt_ctf_trace_create();
2692         assert(trace);
2693         stream_class = bt_ctf_stream_class_create(NULL);
2694         assert(stream_class);
2695         ret = bt_ctf_stream_class_set_packet_context_type(stream_class, NULL);
2696         assert(ret == 0);
2697         ret = bt_ctf_trace_add_stream_class(trace, stream_class);
2698         assert(ret == 0);
2699         stream = bt_ctf_stream_create(stream_class, "hello");
2700         ok(stream, "bt_ctf_stream_create() succeeds with a non-static trace");
2701         bt_put(stream);
2702         ok(!bt_ctf_trace_is_static(trace),
2703                 "bt_ctf_trace_is_static() returns the expected value");
2704         ok(bt_ctf_trace_set_is_static(trace) == 0,
2705                 "bt_ctf_trace_set_is_static() succeeds");
2706         ok(bt_ctf_trace_is_static(trace),
2707                 "bt_ctf_trace_is_static() returns the expected value");
2708         clock_class = bt_ctf_clock_class_create("yes", 1000000000);
2709         assert(clock_class);
2710         stream_class2 = bt_ctf_stream_class_create(NULL);
2711         assert(stream_class2);
2712         ok(bt_ctf_trace_add_stream_class(trace, stream_class2),
2713                 "bt_ctf_trace_add_stream_class() fails with a static trace");
2714         ok(bt_ctf_trace_add_clock_class(trace, clock_class),
2715                 "bt_ctf_trace_add_clock_class() fails with a static trace");
2716         ok(!bt_ctf_stream_create(stream_class, "hello2"),
2717                 "bt_ctf_stream_create() fails with a static trace");
2718
2719         bt_put(trace);
2720         bt_put(stream_class);
2721         bt_put(stream_class2);
2722         bt_put(clock_class);
2723 }
2724
2725 static
2726 void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
2727 {
2728         *((int *) data) |= 1;
2729 }
2730
2731 static
2732 void trace_listener_removed(struct bt_ctf_trace *trace, void *data)
2733 {
2734         *((int *) data) |= 2;
2735 }
2736
2737 static
2738 void test_trace_is_static_listener(void)
2739 {
2740         struct bt_ctf_trace *trace;
2741         int ret;
2742         int called1 = 0;
2743         int called2 = 0;
2744         int called3 = 0;
2745         int called4 = 0;
2746         int listener1_id;
2747         int listener2_id;
2748         int listener3_id;
2749         int listener4_id;
2750
2751         trace = bt_ctf_trace_create();
2752         assert(trace);
2753         ret = bt_ctf_trace_add_is_static_listener(NULL,
2754                 trace_is_static_listener, trace_listener_removed, &called1);
2755         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (trace)");
2756         ret = bt_ctf_trace_add_is_static_listener(trace, NULL,
2757                 trace_listener_removed, &called1);
2758         ok(ret < 0, "bt_ctf_trace_add_is_static_listener() handles NULL (listener)");
2759         listener1_id = bt_ctf_trace_add_is_static_listener(trace,
2760                 trace_is_static_listener, trace_listener_removed, &called1);
2761         ok(listener1_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (1)");
2762         listener2_id = bt_ctf_trace_add_is_static_listener(trace,
2763                 trace_is_static_listener, trace_listener_removed, &called2);
2764         ok(listener2_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (2)");
2765         listener3_id = bt_ctf_trace_add_is_static_listener(trace,
2766                 trace_is_static_listener, trace_listener_removed, &called3);
2767         ok(listener3_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (3)");
2768         ret = bt_ctf_trace_remove_is_static_listener(NULL, 0);
2769         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles NULL (trace)");
2770         ret = bt_ctf_trace_remove_is_static_listener(trace, -2);
2771         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (negative)");
2772         ret = bt_ctf_trace_remove_is_static_listener(trace, 77);
2773         ok(ret < 0, "bt_ctf_trace_remove_is_static_listener() handles invalid ID (non existing)");
2774         ret = bt_ctf_trace_remove_is_static_listener(trace, listener2_id);
2775         ok(ret == 0, "bt_ctf_trace_remove_is_static_listener() succeeds");
2776         ok(called2 == 2, "bt_ctf_trace_remove_is_static_listener() calls the remove listener");
2777         listener4_id = bt_ctf_trace_add_is_static_listener(trace,
2778                 trace_is_static_listener, NULL, &called4);
2779         ok(listener4_id >= 0, "bt_ctf_trace_add_is_static_listener() succeeds (4)");
2780         ok(called1 == 0, "\"trace is static\" listener not called before the trace is made static (1)");
2781         ok(called2 == 2, "\"trace is static\" listener not called before the trace is made static (2)");
2782         ok(called3 == 0, "\"trace is static\" listener not called before the trace is made static (3)");
2783         ok(called4 == 0, "\"trace is static\" listener not called before the trace is made static (4)");
2784         ret = bt_ctf_trace_set_is_static(trace);
2785         assert(ret == 0);
2786         ret = bt_ctf_trace_add_is_static_listener(trace,
2787                 trace_is_static_listener, trace_listener_removed, &called1);
2788         ok(ret < 0,
2789                 "bt_ctf_trace_add_is_static_listener() fails when the trace is static");
2790         ok(called1 == 1, "\"trace is static\" listener called when the trace is made static (1)");
2791         ok(called2 == 2, "\"trace is static\" listener not called when the trace is made static (2)");
2792         ok(called3 == 1, "\"trace is static\" listener called when the trace is made static (3)");
2793         ok(called4 == 1, "\"trace is static\" listener called when the trace is made static (4)");
2794         called1 = 0;
2795         called2 = 0;
2796         called3 = 0;
2797         called4 = 0;
2798         bt_put(trace);
2799         ok(called1 == 2, "\"trace is static\" listener not called after the trace is put (1)");
2800         ok(called2 == 0, "\"trace is static\" listener not called after the trace is put (2)");
2801         ok(called3 == 2, "\"trace is static\" listener not called after the trace is put (3)");
2802         ok(called4 == 0, "\"trace is static\" listener not called after the trace is put (4)");
2803 }
2804
2805 static
2806 void test_trace_uuid(void)
2807 {
2808         struct bt_ctf_trace *trace;
2809         const unsigned char uuid[] = {
2810                 0x35, 0x92, 0x63, 0xab, 0xb4, 0xbe, 0x40, 0xb4,
2811                 0xb2, 0x60, 0xd3, 0xf1, 0x3b, 0xb0, 0xd8, 0x59,
2812         };
2813         const unsigned char *ret_uuid;
2814
2815         trace = bt_ctf_trace_create();
2816         assert(trace);
2817         ok(!bt_ctf_trace_get_uuid(NULL),
2818                 "bt_ctf_trace_get_uuid() handles NULL");
2819         ok(!bt_ctf_trace_get_uuid(trace),
2820                 "bt_ctf_trace_get_uuid() returns NULL initially");
2821         ok(bt_ctf_trace_set_uuid(NULL, uuid),
2822                 "bt_ctf_trace_set_uuid() handles NULL (trace)");
2823         ok(bt_ctf_trace_set_uuid(trace, NULL),
2824                 "bt_ctf_trace_set_uuid() handles NULL (UUID)");
2825         ok(bt_ctf_trace_set_uuid(trace, uuid) == 0,
2826                 "bt_ctf_trace_set_uuid() succeeds with a valid UUID");
2827         ret_uuid = bt_ctf_trace_get_uuid(trace);
2828         ok(ret_uuid, "bt_ctf_trace_get_uuid() returns a UUID");
2829         assert(ret_uuid);
2830         ok(memcmp(uuid, ret_uuid, 16) == 0,
2831                 "bt_ctf_trace_get_uuid() returns the expected UUID");
2832
2833         bt_put(trace);
2834 }
2835
2836 int main(int argc, char **argv)
2837 {
2838         const char *env_resize_length;
2839         gchar *trace_path;
2840         gchar *metadata_path;
2841         const char *clock_name = "test_clock";
2842         const char *clock_description = "This is a test clock";
2843         const char *returned_clock_name;
2844         const char *returned_clock_description;
2845         const uint64_t frequency = 1123456789;
2846         const int64_t offset_s = 13515309;
2847         const int64_t offset = 1234567;
2848         int64_t get_offset_s,
2849                 get_offset;
2850         const uint64_t precision = 10;
2851         const int is_absolute = 0xFF;
2852         char *metadata_string;
2853         struct bt_ctf_writer *writer;
2854         struct utsname name;
2855         char hostname[BABELTRACE_HOST_NAME_MAX];
2856         struct bt_ctf_clock *clock, *ret_clock;
2857         struct bt_ctf_clock_class *ret_clock_class;
2858         struct bt_ctf_stream_class *stream_class, *ret_stream_class;
2859         struct bt_ctf_stream *stream1;
2860         struct bt_ctf_stream *stream;
2861         const char *ret_string;
2862         const unsigned char *ret_uuid;
2863         unsigned char tmp_uuid[16] = { 0 };
2864         struct bt_ctf_field_type *packet_context_type,
2865                 *packet_context_field_type,
2866                 *packet_header_type,
2867                 *packet_header_field_type,
2868                 *integer_type,
2869                 *stream_event_context_type,
2870                 *ret_field_type,
2871                 *event_header_field_type;
2872         struct bt_ctf_field *packet_header, *packet_header_field;
2873         struct bt_ctf_trace *trace;
2874         int ret;
2875         int64_t ret_int64_t;
2876         struct bt_value *obj;
2877
2878         if (argc < 2) {
2879                 printf("Usage: tests-ctf-writer path_to_babeltrace\n");
2880                 return -1;
2881         }
2882
2883         env_resize_length = getenv("PACKET_RESIZE_TEST_LENGTH");
2884         if (env_resize_length) {
2885                 packet_resize_test_length =
2886                         (unsigned int) atoi(env_resize_length);
2887         }
2888
2889         plan_tests(NR_TESTS);
2890
2891         trace_path = g_build_filename(g_get_tmp_dir(), "ctfwriter_XXXXXX", NULL);
2892         if (!bt_mkdtemp(trace_path)) {
2893                 perror("# perror");
2894         }
2895
2896         metadata_path = g_build_filename(trace_path, "metadata", NULL);
2897
2898         writer = bt_ctf_writer_create(trace_path);
2899         ok(writer, "bt_ctf_create succeeds in creating trace with path");
2900
2901         ok(!bt_ctf_writer_get_trace(NULL),
2902                 "bt_ctf_writer_get_trace correctly handles NULL");
2903         trace = bt_ctf_writer_get_trace(writer);
2904         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE),
2905                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_NATIVE");
2906         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_UNSPECIFIED),
2907                 "Cannot set a trace's byte order to BT_CTF_BYTE_ORDER_UNSPECIFIED");
2908         ok(trace,
2909                 "bt_ctf_writer_get_trace returns a bt_ctf_trace object");
2910         ok(bt_ctf_trace_set_native_byte_order(trace, BT_CTF_BYTE_ORDER_BIG_ENDIAN) == 0,
2911                 "Set a trace's byte order to big endian");
2912         ok(bt_ctf_trace_get_native_byte_order(trace) == BT_CTF_BYTE_ORDER_BIG_ENDIAN,
2913                 "bt_ctf_trace_get_native_byte_order returns a correct endianness");
2914
2915         /* Add environment context to the trace */
2916         ret = gethostname(hostname, sizeof(hostname));
2917         if (ret < 0) {
2918                 return ret;
2919         }
2920         ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
2921                 "Add host (%s) environment field to writer instance",
2922                 hostname);
2923         ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
2924                 "test_value"),
2925                 "bt_ctf_writer_add_environment_field error with NULL writer");
2926         ok(bt_ctf_writer_add_environment_field(writer, NULL,
2927                 "test_value"),
2928                 "bt_ctf_writer_add_environment_field error with NULL field name");
2929         ok(bt_ctf_writer_add_environment_field(writer, "test_field",
2930                 NULL),
2931                 "bt_ctf_writer_add_environment_field error with NULL field value");
2932
2933         /* Test bt_ctf_trace_set_environment_field with an integer object */
2934         obj = bt_value_integer_create_init(23);
2935         assert(obj);
2936         ok(bt_ctf_trace_set_environment_field(NULL, "test_env_int_obj", obj),
2937                 "bt_ctf_trace_set_environment_field handles a NULL trace correctly");
2938         ok(bt_ctf_trace_set_environment_field(trace, NULL, obj),
2939                 "bt_ctf_trace_set_environment_field handles a NULL name correctly");
2940         ok(bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", NULL),
2941                 "bt_ctf_trace_set_environment_field handles a NULL value correctly");
2942         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_int_obj", obj),
2943                 "bt_ctf_trace_set_environment_field succeeds in adding an integer object");
2944         BT_PUT(obj);
2945
2946         /* Test bt_ctf_trace_set_environment_field with a string object */
2947         obj = bt_value_string_create_init("the value");
2948         assert(obj);
2949         ok(!bt_ctf_trace_set_environment_field(trace, "test_env_str_obj", obj),
2950                 "bt_ctf_trace_set_environment_field succeeds in adding a string object");
2951         BT_PUT(obj);
2952
2953         /* Test bt_ctf_trace_set_environment_field_integer */
2954         ok(bt_ctf_trace_set_environment_field_integer(NULL, "test_env_int",
2955                 -194875),
2956                 "bt_ctf_trace_set_environment_field_integer handles a NULL trace correctly");
2957         ok(bt_ctf_trace_set_environment_field_integer(trace, NULL, -194875),
2958                 "bt_ctf_trace_set_environment_field_integer handles a NULL name correctly");
2959         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
2960                 -164973),
2961                 "bt_ctf_trace_set_environment_field_integer succeeds");
2962
2963         /* Test bt_ctf_trace_set_environment_field_string */
2964         ok(bt_ctf_trace_set_environment_field_string(NULL, "test_env_str",
2965                 "yeah"),
2966                 "bt_ctf_trace_set_environment_field_string handles a NULL trace correctly");
2967         ok(bt_ctf_trace_set_environment_field_string(trace, NULL, "yeah"),
2968                 "bt_ctf_trace_set_environment_field_string handles a NULL name correctly");
2969         ok(bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2970                 NULL),
2971                 "bt_ctf_trace_set_environment_field_string handles a NULL value correctly");
2972         ok(!bt_ctf_trace_set_environment_field_string(trace, "test_env_str",
2973                 "oh yeah"),
2974                 "bt_ctf_trace_set_environment_field_string succeeds");
2975
2976         /* Test bt_ctf_trace_get_environment_field_count */
2977         ok(bt_ctf_trace_get_environment_field_count(NULL) < 0,
2978                 "bt_ctf_trace_get_environment_field_count handles a NULL trace correctly");
2979         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
2980                 "bt_ctf_trace_get_environment_field_count returns a correct number of environment fields");
2981
2982         /* Test bt_ctf_trace_get_environment_field_name */
2983         ok(bt_ctf_trace_get_environment_field_name_by_index(NULL, 0) == NULL,
2984                 "bt_ctf_trace_get_environment_field_name handles a NULL trace correctly");
2985         ok(bt_ctf_trace_get_environment_field_name_by_index(trace, 5) == NULL,
2986                 "bt_ctf_trace_get_environment_field_name handles an invalid index correctly (too large)");
2987         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 0);
2988         ok(ret_string && !strcmp(ret_string, "host"),
2989                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
2990         ret_string = bt_ctf_trace_get_environment_field_name_by_index(trace, 1);
2991         ok(ret_string && !strcmp(ret_string, "test_env_int_obj"),
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, 2);
2994         ok(ret_string && !strcmp(ret_string, "test_env_str_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, 3);
2997         ok(ret_string && !strcmp(ret_string, "test_env_int"),
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, 4);
3000         ok(ret_string && !strcmp(ret_string, "test_env_str"),
3001                 "bt_ctf_trace_get_environment_field_name returns a correct field name");
3002
3003         /* Test bt_ctf_trace_get_environment_field_value */
3004         ok(bt_ctf_trace_get_environment_field_value_by_index(NULL, 0) == NULL,
3005                 "bt_ctf_trace_get_environment_field_value handles a NULL trace correctly");
3006         ok(bt_ctf_trace_get_environment_field_value_by_index(trace, 5) == NULL,
3007                 "bt_ctf_trace_get_environment_field_value handles an invalid index correctly (too large)");
3008         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 1);
3009         ret = bt_value_integer_get(obj, &ret_int64_t);
3010         ok(!ret && ret_int64_t == 23,
3011                 "bt_ctf_trace_get_environment_field_value succeeds in getting an integer value");
3012         BT_PUT(obj);
3013         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 2);
3014         ret = bt_value_string_get(obj, &ret_string);
3015         ok(!ret && ret_string && !strcmp(ret_string, "the value"),
3016                 "bt_ctf_trace_get_environment_field_value succeeds in getting a string value");
3017         BT_PUT(obj);
3018
3019         /* Test bt_ctf_trace_get_environment_field_value_by_name */
3020         ok(!bt_ctf_trace_get_environment_field_value_by_name(NULL,
3021                 "test_env_str"),
3022                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL trace correctly");
3023         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, NULL),
3024                 "bt_ctf_trace_get_environment_field_value_by_name handles a NULL name correctly");
3025         ok(!bt_ctf_trace_get_environment_field_value_by_name(trace, "oh oh"),
3026                 "bt_ctf_trace_get_environment_field_value_by_name returns NULL or an unknown field name");
3027         obj = bt_ctf_trace_get_environment_field_value_by_name(trace,
3028                 "test_env_str");
3029         ret = bt_value_string_get(obj, &ret_string);
3030         ok(!ret && ret_string && !strcmp(ret_string, "oh yeah"),
3031                 "bt_ctf_trace_get_environment_field_value_by_name succeeds in getting an existing field");
3032         BT_PUT(obj);
3033
3034         /* Test environment field replacement */
3035         ok(!bt_ctf_trace_set_environment_field_integer(trace, "test_env_int",
3036                 654321),
3037                 "bt_ctf_trace_set_environment_field_integer succeeds with an existing name");
3038         ok(bt_ctf_trace_get_environment_field_count(trace) == 5,
3039                 "bt_ctf_trace_set_environment_field_integer with an existing key does not increase the environment size");
3040         obj = bt_ctf_trace_get_environment_field_value_by_index(trace, 3);
3041         ret = bt_value_integer_get(obj, &ret_int64_t);
3042         ok(!ret && ret_int64_t == 654321,
3043                 "bt_ctf_trace_get_environment_field_value successfully replaces an existing field");
3044         BT_PUT(obj);
3045
3046         /* On Solaris, uname() can return any positive value on success */
3047         if (uname(&name) < 0) {
3048                 perror("uname");
3049                 return -1;
3050         }
3051
3052         ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
3053                 == 0, "Add sysname (%s) environment field to writer instance",
3054                 name.sysname);
3055         ok(bt_ctf_writer_add_environment_field(writer, "nodename",
3056                 name.nodename) == 0,
3057                 "Add nodename (%s) environment field to writer instance",
3058                 name.nodename);
3059         ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
3060                 == 0, "Add release (%s) environment field to writer instance",
3061                 name.release);
3062         ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
3063                 == 0, "Add version (%s) environment field to writer instance",
3064                 name.version);
3065         ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
3066                 == 0, "Add machine (%s) environment field to writer istance",
3067                 name.machine);
3068
3069         /* Define a clock and add it to the trace */
3070         ok(bt_ctf_clock_create("signed") == NULL,
3071                 "Illegal clock name rejected");
3072         clock = bt_ctf_clock_create(clock_name);
3073         ok(clock, "Clock created sucessfully");
3074         returned_clock_name = bt_ctf_clock_get_name(clock);
3075         ok(returned_clock_name, "bt_ctf_clock_get_name returns a clock name");
3076         ok(returned_clock_name ? !strcmp(returned_clock_name, clock_name) : 0,
3077                 "Returned clock name is valid");
3078
3079         returned_clock_description = bt_ctf_clock_get_description(clock);
3080         ok(!returned_clock_description, "bt_ctf_clock_get_description returns NULL on an unset description");
3081         ok(bt_ctf_clock_set_description(clock, clock_description) == 0,
3082                 "Clock description set successfully");
3083
3084         returned_clock_description = bt_ctf_clock_get_description(clock);
3085         ok(returned_clock_description,
3086                 "bt_ctf_clock_get_description returns a description.");
3087         ok(returned_clock_description ?
3088                 !strcmp(returned_clock_description, clock_description) : 0,
3089                 "Returned clock description is valid");
3090
3091         ok(bt_ctf_clock_get_frequency(clock) == DEFAULT_CLOCK_FREQ,
3092                 "bt_ctf_clock_get_frequency returns the correct default frequency");
3093         ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
3094                 "Set clock frequency");
3095         ok(bt_ctf_clock_get_frequency(clock) == frequency,
3096                 "bt_ctf_clock_get_frequency returns the correct frequency once it is set");
3097
3098         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3099                 "bt_ctf_clock_get_offset_s succeeds");
3100         ok(get_offset_s == DEFAULT_CLOCK_OFFSET_S,
3101                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds)");
3102         ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
3103                 "Set clock offset (seconds)");
3104         ok(bt_ctf_clock_get_offset_s(clock, &get_offset_s) == 0,
3105                 "bt_ctf_clock_get_offset_s succeeds");
3106         ok(get_offset_s == offset_s,
3107                 "bt_ctf_clock_get_offset_s returns the correct default offset (in seconds) once it is set");
3108
3109         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3110                 "bt_ctf_clock_get_offset succeeds");
3111         ok(get_offset == DEFAULT_CLOCK_OFFSET,
3112                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks)");
3113         ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
3114         ok(bt_ctf_clock_get_offset(clock, &get_offset) == 0,
3115                 "bt_ctf_clock_get_offset succeeds");
3116         ok(get_offset == offset,
3117                 "bt_ctf_clock_get_offset returns the correct default offset (in ticks) once it is set");
3118
3119         ok(bt_ctf_clock_get_precision(clock) == DEFAULT_CLOCK_PRECISION,
3120                 "bt_ctf_clock_get_precision returns the correct default precision");
3121         ok(bt_ctf_clock_set_precision(clock, precision) == 0,
3122                 "Set clock precision");
3123         ok(bt_ctf_clock_get_precision(clock) == precision,
3124                 "bt_ctf_clock_get_precision returns the correct precision once it is set");
3125
3126         ok(bt_ctf_clock_get_is_absolute(clock) == DEFAULT_CLOCK_IS_ABSOLUTE,
3127                 "bt_ctf_clock_get_precision returns the correct default is_absolute attribute");
3128         ok(bt_ctf_clock_set_is_absolute(clock, is_absolute) == 0,
3129                 "Set clock absolute property");
3130         ok(bt_ctf_clock_get_is_absolute(clock) == !!is_absolute,
3131                 "bt_ctf_clock_get_precision returns the correct is_absolute attribute once it is set");
3132
3133         ok(bt_ctf_clock_set_time(clock, current_time) == 0,
3134                 "Set clock time");
3135
3136         ok(!bt_ctf_clock_get_name(NULL),
3137                 "bt_ctf_clock_get_name correctly handles NULL");
3138         ok(!bt_ctf_clock_get_description(NULL),
3139                 "bt_ctf_clock_get_description correctly handles NULL");
3140         ok(bt_ctf_clock_get_frequency(NULL) == -1ULL,
3141                 "bt_ctf_clock_get_frequency correctly handles NULL");
3142         ok(bt_ctf_clock_get_precision(NULL) == -1ULL,
3143                 "bt_ctf_clock_get_precision correctly handles NULL");
3144         ok(bt_ctf_clock_get_offset_s(NULL, &get_offset_s) < 0,
3145                 "bt_ctf_clock_get_offset_s correctly handles NULL clock");
3146         ok(bt_ctf_clock_get_offset_s(clock, NULL) < 0,
3147                 "bt_ctf_clock_get_offset_s correctly handles NULL output");
3148         ok(bt_ctf_clock_get_offset(NULL, &get_offset) < 0,
3149                 "bt_ctf_clock_get_offset correctly handles NULL clock");
3150         ok(bt_ctf_clock_get_offset(clock, NULL) < 0,
3151                 "bt_ctf_clock_get_offset correctly handles NULL output");
3152         ok(bt_ctf_clock_get_is_absolute(NULL) < 0,
3153                 "bt_ctf_clock_get_is_absolute correctly handles NULL");
3154
3155         ok(bt_ctf_clock_set_description(NULL, NULL) < 0,
3156                 "bt_ctf_clock_set_description correctly handles NULL clock");
3157         ok(bt_ctf_clock_set_frequency(NULL, frequency) < 0,
3158                 "bt_ctf_clock_set_frequency correctly handles NULL clock");
3159         ok(bt_ctf_clock_set_precision(NULL, precision) < 0,
3160                 "bt_ctf_clock_get_precision correctly handles NULL clock");
3161         ok(bt_ctf_clock_set_offset_s(NULL, offset_s) < 0,
3162                 "bt_ctf_clock_set_offset_s correctly handles NULL clock");
3163         ok(bt_ctf_clock_set_offset(NULL, offset) < 0,
3164                 "bt_ctf_clock_set_offset correctly handles NULL clock");
3165         ok(bt_ctf_clock_set_is_absolute(NULL, is_absolute) < 0,
3166                 "bt_ctf_clock_set_is_absolute correctly handles NULL clock");
3167         ok(bt_ctf_clock_set_time(NULL, current_time) < 0,
3168                 "bt_ctf_clock_set_time correctly handles NULL clock");
3169         ok(bt_ctf_clock_get_uuid(NULL) == NULL,
3170                 "bt_ctf_clock_get_uuid correctly handles NULL clock");
3171         ret_uuid = bt_ctf_clock_get_uuid(clock);
3172         ok(ret_uuid,
3173                 "bt_ctf_clock_get_uuid returns a UUID");
3174         if (ret_uuid) {
3175                 memcpy(tmp_uuid, ret_uuid, sizeof(tmp_uuid));
3176                 /* Slightly modify UUID */
3177                 tmp_uuid[sizeof(tmp_uuid) - 1]++;
3178         }
3179
3180         ok(bt_ctf_clock_set_uuid(NULL, tmp_uuid) < 0,
3181                 "bt_ctf_clock_set_uuid correctly handles a NULL clock");
3182         ok(bt_ctf_clock_set_uuid(clock, NULL) < 0,
3183                 "bt_ctf_clock_set_uuid correctly handles a NULL UUID");
3184         ok(bt_ctf_clock_set_uuid(clock, tmp_uuid) == 0,
3185                 "bt_ctf_clock_set_uuid sets a new uuid successfully");
3186         ret_uuid = bt_ctf_clock_get_uuid(clock);
3187         ok(ret_uuid,
3188                 "bt_ctf_clock_get_uuid returns a UUID after setting a new one");
3189         ok(uuid_match(ret_uuid, tmp_uuid),
3190                 "bt_ctf_clock_get_uuid returns the correct UUID after setting a new one");
3191
3192         /* Define a stream class */
3193         stream_class = bt_ctf_stream_class_create("test_stream");
3194
3195         ok(bt_ctf_stream_class_get_name(NULL) == NULL,
3196                 "bt_ctf_stream_class_get_name handles NULL correctly");
3197         ret_string = bt_ctf_stream_class_get_name(stream_class);
3198         ok(ret_string && !strcmp(ret_string, "test_stream"),
3199                 "bt_ctf_stream_class_get_name returns a correct stream class name");
3200
3201         ok(bt_ctf_stream_class_get_clock(stream_class) == NULL,
3202                 "bt_ctf_stream_class_get_clock returns NULL when a clock was not set");
3203         ok(bt_ctf_stream_class_get_clock(NULL) == NULL,
3204                 "bt_ctf_stream_class_get_clock handles NULL correctly");
3205
3206         ok(stream_class, "Create stream class");
3207         ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
3208                 "Set a stream class' clock");
3209         ret_clock = bt_ctf_stream_class_get_clock(stream_class);
3210         ok(ret_clock == clock,
3211                 "bt_ctf_stream_class_get_clock returns a correct clock");
3212         bt_put(ret_clock);
3213
3214         /* Test the event fields and event types APIs */
3215         type_field_tests();
3216
3217         /* Test fields copying */
3218         field_copy_tests();
3219
3220         ok(bt_ctf_stream_class_get_id(stream_class) < 0,
3221                 "bt_ctf_stream_class_get_id returns an error when no id is set");
3222         ok(bt_ctf_stream_class_get_id(NULL) < 0,
3223                 "bt_ctf_stream_class_get_id handles NULL correctly");
3224         ok(bt_ctf_stream_class_set_id(NULL, 123) < 0,
3225                 "bt_ctf_stream_class_set_id handles NULL correctly");
3226         ok(bt_ctf_stream_class_set_id(stream_class, 123) == 0,
3227                 "Set an stream class' id");
3228         ok(bt_ctf_stream_class_get_id(stream_class) == 123,
3229                 "bt_ctf_stream_class_get_id returns the correct value");
3230
3231         /* Validate default event header fields */
3232         ok(bt_ctf_stream_class_get_event_header_type(NULL) == NULL,
3233                 "bt_ctf_stream_class_get_event_header_type handles NULL correctly");
3234         ret_field_type = bt_ctf_stream_class_get_event_header_type(
3235                 stream_class);
3236         ok(ret_field_type,
3237                 "bt_ctf_stream_class_get_event_header_type returns an event header type");
3238         ok(bt_ctf_field_type_get_type_id(ret_field_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3239                 "Default event header type is a structure");
3240         event_header_field_type =
3241                 bt_ctf_field_type_structure_get_field_type_by_name(
3242                 ret_field_type, "id");
3243         ok(event_header_field_type,
3244                 "Default event header type contains an \"id\" field");
3245         ok(bt_ctf_field_type_get_type_id(
3246                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3247                 "Default event header \"id\" field is an integer");
3248         bt_put(event_header_field_type);
3249         event_header_field_type =
3250                 bt_ctf_field_type_structure_get_field_type_by_name(
3251                 ret_field_type, "timestamp");
3252         ok(event_header_field_type,
3253                 "Default event header type contains a \"timestamp\" field");
3254         ok(bt_ctf_field_type_get_type_id(
3255                 event_header_field_type) == BT_CTF_FIELD_TYPE_ID_INTEGER,
3256                 "Default event header \"timestamp\" field is an integer");
3257         bt_put(event_header_field_type);
3258         bt_put(ret_field_type);
3259
3260         /* Add a custom trace packet header field */
3261         ok(bt_ctf_trace_get_packet_header_type(NULL) == NULL,
3262                 "bt_ctf_trace_get_packet_header_type handles NULL correctly");
3263         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3264         ok(packet_header_type,
3265                 "bt_ctf_trace_get_packet_header_type returns a packet header");
3266         ok(bt_ctf_field_type_get_type_id(packet_header_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3267                 "bt_ctf_trace_get_packet_header_type returns a packet header of type struct");
3268         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3269                 packet_header_type, "magic");
3270         ok(ret_field_type, "Default packet header type contains a \"magic\" field");
3271         bt_put(ret_field_type);
3272         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3273                 packet_header_type, "uuid");
3274         ok(ret_field_type, "Default packet header type contains a \"uuid\" field");
3275         bt_put(ret_field_type);
3276         ret_field_type = bt_ctf_field_type_structure_get_field_type_by_name(
3277                 packet_header_type, "stream_id");
3278         ok(ret_field_type, "Default packet header type contains a \"stream_id\" field");
3279         bt_put(ret_field_type);
3280
3281         packet_header_field_type = bt_ctf_field_type_integer_create(22);
3282         ok(!bt_ctf_field_type_structure_add_field(packet_header_type,
3283                 packet_header_field_type, "custom_trace_packet_header_field"),
3284                 "Added a custom trace packet header field successfully");
3285
3286         ok(bt_ctf_trace_set_packet_header_type(NULL, packet_header_type) < 0,
3287                 "bt_ctf_trace_set_packet_header_type handles a NULL trace correctly");
3288         ok(!bt_ctf_trace_set_packet_header_type(trace, packet_header_type),
3289                 "Set a trace packet_header_type successfully");
3290
3291         ok(bt_ctf_stream_class_get_packet_context_type(NULL) == NULL,
3292                 "bt_ctf_stream_class_get_packet_context_type handles NULL correctly");
3293
3294         /* Add a custom field to the stream class' packet context */
3295         packet_context_type = bt_ctf_stream_class_get_packet_context_type(stream_class);
3296         ok(packet_context_type,
3297                 "bt_ctf_stream_class_get_packet_context_type returns a packet context type.");
3298         ok(bt_ctf_field_type_get_type_id(packet_context_type) == BT_CTF_FIELD_TYPE_ID_STRUCT,
3299                 "Packet context is a structure");
3300
3301         ok(bt_ctf_stream_class_set_packet_context_type(NULL, packet_context_type),
3302                 "bt_ctf_stream_class_set_packet_context_type handles a NULL stream class correctly");
3303
3304         integer_type = bt_ctf_field_type_integer_create(32);
3305         ok(bt_ctf_stream_class_set_packet_context_type(stream_class,
3306                 integer_type) < 0,
3307                 "bt_ctf_stream_class_set_packet_context_type rejects a packet context that is not a structure");
3308         /* Create a "uint5_t" equivalent custom packet context field */
3309         packet_context_field_type = bt_ctf_field_type_integer_create(5);
3310
3311         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3312                 packet_context_field_type, "custom_packet_context_field");
3313         ok(ret == 0, "Packet context field added successfully");
3314
3315         /* Define a stream event context containing a my_integer field. */
3316         ok(bt_ctf_stream_class_get_event_context_type(NULL) == NULL,
3317                 "bt_ctf_stream_class_get_event_context_type handles NULL correctly");
3318         stream_event_context_type = bt_ctf_field_type_structure_create();
3319         bt_ctf_field_type_structure_add_field(stream_event_context_type,
3320                 integer_type, "common_event_context");
3321
3322         ok(bt_ctf_stream_class_set_event_context_type(NULL,
3323                 stream_event_context_type) < 0,
3324                 "bt_ctf_stream_class_set_event_context_type handles a NULL stream_class correctly");
3325         ok(bt_ctf_stream_class_set_event_context_type(stream_class,
3326                 integer_type) < 0,
3327                 "bt_ctf_stream_class_set_event_context_type validates that the event context os a structure");
3328
3329         ok(bt_ctf_stream_class_set_event_context_type(
3330                 stream_class, stream_event_context_type) == 0,
3331                 "Set a new stream event context type");
3332         ret_field_type = bt_ctf_stream_class_get_event_context_type(
3333                 stream_class);
3334         ok(ret_field_type == stream_event_context_type,
3335                 "bt_ctf_stream_class_get_event_context_type returns the correct field type.");
3336         bt_put(ret_field_type);
3337
3338         /* Instantiate a stream and append events */
3339         ret = bt_ctf_writer_add_clock(writer, clock);
3340         assert(ret == 0);
3341         ok(bt_ctf_trace_get_stream_count(trace) == 0,
3342                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (0)");
3343         stream1 = bt_ctf_writer_create_stream(writer, stream_class);
3344         ok(stream1, "Instanciate a stream class from writer");
3345         ok(bt_ctf_trace_get_stream_count(trace) == 1,
3346                 "bt_ctf_trace_get_stream_count() succeeds and returns the correct value (1)");
3347         stream = bt_ctf_trace_get_stream_by_index(trace, 0);
3348         ok(stream == stream1,
3349                 "bt_ctf_trace_get_stream_by_index() succeeds and returns the correct value");
3350         BT_PUT(stream);
3351
3352         /*
3353          * Creating a stream through a writer adds the given stream
3354          * class to the writer's trace, thus registering the stream
3355          * class's clock to the trace.
3356          */
3357         ok(bt_ctf_trace_get_clock_class_count(NULL) < 0,
3358                 "bt_ctf_trace_get_clock_class_count correctly handles NULL");
3359         ok(bt_ctf_trace_get_clock_class_count(trace) == 1,
3360                 "bt_ctf_trace_get_clock_class_count returns the correct number of clocks");
3361         ok(!bt_ctf_trace_get_clock_class_by_index(NULL, 0),
3362                 "bt_ctf_trace_get_clock_class correctly handles NULL");
3363         ok(!bt_ctf_trace_get_clock_class_by_index(trace, 1),
3364                 "bt_ctf_trace_get_clock_class correctly handles out of bound accesses");
3365         ret_clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
3366         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3367                 bt_ctf_clock_get_name(clock)) == 0,
3368                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3369         bt_put(ret_clock_class);
3370         ok(!bt_ctf_trace_get_clock_class_by_name(trace, NULL),
3371                 "bt_ctf_trace_get_clock_class_by_name correctly handles NULL (trace)");
3372         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, clock_name),
3373                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (clock name)");
3374         ok(!bt_ctf_trace_get_clock_class_by_name(NULL, NULL),
3375                 "bt_ctf_trace_get_clock_by_name correctly handles NULL (both)");
3376         ret_clock_class = bt_ctf_trace_get_clock_class_by_name(trace, clock_name);
3377         ok(strcmp(bt_ctf_clock_class_get_name(ret_clock_class),
3378                 bt_ctf_clock_get_name(clock)) == 0,
3379                 "bt_ctf_trace_get_clock_class returns the right clock instance");
3380         bt_put(ret_clock_class);
3381         ok(!bt_ctf_trace_get_clock_class_by_name(trace, "random"),
3382                 "bt_ctf_trace_get_clock_by_name fails when the requested clock doesn't exist");
3383
3384         ok(bt_ctf_stream_get_class(NULL) == NULL,
3385                 "bt_ctf_stream_get_class correctly handles NULL");
3386         ret_stream_class = bt_ctf_stream_get_class(stream1);
3387         ok(ret_stream_class,
3388                 "bt_ctf_stream_get_class returns a stream class");
3389         ok(ret_stream_class == stream_class,
3390                 "Returned stream class is of the correct type");
3391
3392         /*
3393          * Packet header, packet context, event header, and stream
3394          * event context types were copied for the resolving
3395          * process
3396          */
3397         BT_PUT(packet_header_type);
3398         BT_PUT(packet_context_type);
3399         BT_PUT(stream_event_context_type);
3400         packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
3401         assert(packet_header_type);
3402         packet_context_type =
3403                 bt_ctf_stream_class_get_packet_context_type(stream_class);
3404         assert(packet_context_type);
3405         stream_event_context_type =
3406                 bt_ctf_stream_class_get_event_context_type(stream_class);
3407         assert(stream_event_context_type);
3408
3409         /*
3410          * Try to modify the packet context type after a stream has been
3411          * created.
3412          */
3413         ret = bt_ctf_field_type_structure_add_field(packet_header_type,
3414                 packet_header_field_type, "should_fail");
3415         ok(ret < 0,
3416                 "Trace packet header type can't be modified once a stream has been instanciated");
3417
3418         /*
3419          * Try to modify the packet context type after a stream has been
3420          * created.
3421          */
3422         ret = bt_ctf_field_type_structure_add_field(packet_context_type,
3423                 packet_context_field_type, "should_fail");
3424         ok(ret < 0,
3425                 "Packet context type can't be modified once a stream has been instanciated");
3426
3427         /*
3428          * Try to modify the stream event context type after a stream has been
3429          * created.
3430          */
3431         ret = bt_ctf_field_type_structure_add_field(stream_event_context_type,
3432                 integer_type, "should_fail");
3433         ok(ret < 0,
3434                 "Stream event context type can't be modified once a stream has been instanciated");
3435
3436         /* Should fail after instanciating a stream (frozen) */
3437         ok(bt_ctf_stream_class_set_clock(stream_class, clock),
3438                 "Changes to a stream class that was already instantiated fail");
3439
3440         /* Populate the custom packet header field only once for all tests */
3441         ok(bt_ctf_stream_get_packet_header(NULL) == NULL,
3442                 "bt_ctf_stream_get_packet_header handles NULL correctly");
3443         packet_header = bt_ctf_stream_get_packet_header(stream1);
3444         ok(packet_header,
3445                 "bt_ctf_stream_get_packet_header returns a packet header");
3446         ret_field_type = bt_ctf_field_get_type(packet_header);
3447         ok(ret_field_type == packet_header_type,
3448                 "Stream returns a packet header of the appropriate type");
3449         bt_put(ret_field_type);
3450         packet_header_field = bt_ctf_field_structure_get_field(packet_header,
3451                 "custom_trace_packet_header_field");
3452         ok(packet_header_field,
3453                 "Packet header structure contains a custom field with the appropriate name");
3454         ret_field_type = bt_ctf_field_get_type(packet_header_field);
3455         ok(bt_ctf_field_type_compare(ret_field_type, packet_header_field_type) == 0,
3456                 "Custom packet header field is of the expected type");
3457         ok(!bt_ctf_field_unsigned_integer_set_value(packet_header_field,
3458                 54321), "Set custom packet header value successfully");
3459         ok(bt_ctf_stream_set_packet_header(stream1, NULL) < 0,
3460                 "bt_ctf_stream_set_packet_header handles a NULL packet header correctly");
3461         ok(bt_ctf_stream_set_packet_header(NULL, packet_header) < 0,
3462                 "bt_ctf_stream_set_packet_header handles a NULL stream correctly");
3463         ok(bt_ctf_stream_set_packet_header(stream1, packet_header_field) < 0,
3464                 "bt_ctf_stream_set_packet_header rejects a packet header of the wrong type");
3465         ok(!bt_ctf_stream_set_packet_header(stream1, packet_header),
3466                 "Successfully set a stream's packet header");
3467
3468         ok(bt_ctf_writer_add_environment_field(writer, "new_field", "test") == 0,
3469                 "Add environment field to writer after stream creation");
3470
3471         test_clock_utils();
3472
3473         test_create_writer_vs_non_writer_mode();
3474
3475         test_set_clock_non_writer_stream_class();
3476
3477         test_instanciate_event_before_stream(writer, clock);
3478
3479         append_simple_event(stream_class, stream1, clock);
3480
3481         packet_resize_test(stream_class, stream1, clock);
3482
3483         append_complex_event(stream_class, stream1, clock);
3484
3485         append_existing_event_class(stream_class);
3486
3487         test_empty_stream(writer);
3488
3489         test_custom_event_header_stream(writer, clock);
3490
3491         test_static_trace();
3492
3493         test_trace_is_static_listener();
3494
3495         test_trace_uuid();
3496
3497         metadata_string = bt_ctf_writer_get_metadata_string(writer);
3498         ok(metadata_string, "Get metadata string");
3499
3500         bt_ctf_writer_flush_metadata(writer);
3501
3502         bt_put(clock);
3503         bt_put(ret_stream_class);
3504         bt_put(writer);
3505         bt_put(stream1);
3506         bt_put(packet_context_type);
3507         bt_put(packet_context_field_type);
3508         bt_put(integer_type);
3509         bt_put(stream_event_context_type);
3510         bt_put(ret_field_type);
3511         bt_put(packet_header_type);
3512         bt_put(packet_header_field_type);
3513         bt_put(packet_header);
3514         bt_put(packet_header_field);
3515         bt_put(trace);
3516         free(metadata_string);
3517         bt_put(stream_class);
3518
3519         validate_trace(argv[1], trace_path);
3520
3521         recursive_rmdir(trace_path);
3522         g_free(trace_path);
3523         g_free(metadata_path);
3524
3525         return 0;
3526 }