tests-cbor.c 27.7 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803
/*
 * Copyright (C) 2014 Freie Universitรคt Berlin
 * Copyright (C) 2014 Kevin Funk <kfunk@kde.org>
 * Copyright (C) 2014 Jana Cavojska <jana.cavojska9@gmail.com>
 *
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */

/**
 * @author      Kevin Funk <kfunk@kde.org>
 * @author      Jana Cavojska <jana.cavojska9@gmail.com>
 */

#include "embUnit.h"

#include "bitarithm.h"
#include "cbor.h"

#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#ifndef CBOR_NO_CTIME
#include <time.h>
#endif /* CBOR_NO_CTIME */

static void my_cbor_print(const cbor_stream_t *stream)
{
#ifndef CBOR_NO_PRINT
    cbor_stream_print(stream);
#else
    (void)stream;
    printf("<no print support>");
#endif
}

#define CBOR_CHECK_SERIALIZED(stream, expected_value, expected_value_size) do { \
    if (memcmp(stream.data, expected_value, expected_value_size) != 0) { \
        printf("\n"); \
        printf("  CBOR encoded data: "); my_cbor_print(&stream); printf("\n"); \
        cbor_stream_t tmp = {expected_value, expected_value_size, expected_value_size}; \
        printf("  Expected data    : "); my_cbor_print(&tmp); printf("\n"); \
        TEST_FAIL("Test failed"); \
    } \
} while (0)

#define CBOR_CHECK_DESERIALIZED(expected_value, actual_value, comparator_function) do { \
    TEST_ASSERT(comparator_function(expected_value, actual_value)); \
} while (0)

/* Macro for checking PODs (int, float, ...) */
#define CBOR_CHECK(type, function_suffix, stream, input, expected_value, comparator) do { \
    type buffer; \
    unsigned char data[] = expected_value; \
    cbor_clear(&stream); \
    TEST_ASSERT(cbor_serialize_##function_suffix(&stream, input)); \
    CBOR_CHECK_SERIALIZED(stream, data, sizeof(data)); \
    cbor_stream_t tmp = {data, sizeof(data), sizeof(data)}; \
    TEST_ASSERT_EQUAL_INT(sizeof(data), cbor_deserialize_##function_suffix(&tmp, 0, &buffer)); \
    CBOR_CHECK_DESERIALIZED(input, buffer, comparator); \
} while (0)

#define HEX_LITERAL(...) {__VA_ARGS__}

/* BEGIN: Comparator functions */
#define EQUAL_INT(a, b) \
    (a == b)
#define EQUAL_FLOAT(a, b) ( \
    (isinf(a) && isinf(b)) || \
    (isnan(a) && isnan(b)) || \
    (fabs(a - b) < 0.00001))
#define EQUAL_STRING(a, b) \
    (strcmp(a, b) == 0)
#define EQUAL_DATE_TIME(a, b) ( \
    (a.tm_isdst == b.tm_isdst) && \
    (a.tm_yday == b.tm_yday) && \
    (a.tm_wday == b.tm_wday) && \
    (a.tm_year == b.tm_year) && \
    (a.tm_mon == b.tm_mon) && \
    (a.tm_mday == b.tm_mday) && \
    (a.tm_hour == b.tm_hour) && \
    (a.tm_min == b.tm_min) && \
    (a.tm_sec == b.tm_sec))
/* END: Comparator functions */

#ifndef INFINITY
#define INFINITY (1.0/0.0)
#endif
#ifndef NAN
#define NAN (0.0/0.0)
#endif

static unsigned char stream_data[1024];
static cbor_stream_t stream = {stream_data, sizeof(stream_data), 0};

static cbor_stream_t empty_stream = {NULL, 0, 0}; /* stream that is not large enough */

static unsigned char invalid_stream_data[] = {0x40}; /* empty string encoded in CBOR */
static cbor_stream_t invalid_stream = {invalid_stream_data, sizeof(invalid_stream_data),
                                sizeof(invalid_stream_data)
                               };

static void setUp(void)
{
    cbor_clear(&stream);
}

static void tearDown(void)
{
}

static void test_int(void)
{
    /* positive values */
    CBOR_CHECK(int, int, stream, 0,  HEX_LITERAL(0x00), EQUAL_INT);
    CBOR_CHECK(int, int, stream, 23, HEX_LITERAL(0x17), EQUAL_INT);

    CBOR_CHECK(int, int, stream, 24,   HEX_LITERAL(0x18, 0x18), EQUAL_INT);
    CBOR_CHECK(int, int, stream, 0xff, HEX_LITERAL(0x18, 0xff), EQUAL_INT);

    CBOR_CHECK(int, int, stream, 0xff + 1, HEX_LITERAL(0x19, 0x01, 0x00), EQUAL_INT);
    CBOR_CHECK(int, int, stream, 0xffff, HEX_LITERAL(0x19, 0xff, 0xff), EQUAL_INT);

    CBOR_CHECK(int, int, stream, 0xffff + 1,
               HEX_LITERAL(0x1a, 0x00, 0x01, 0x00, 0x00), EQUAL_INT);
#if ARCH_32_BIT
    CBOR_CHECK(int, int, stream, 0x7fffffff,
               HEX_LITERAL(0x1a, 0x7f, 0xff, 0xff, 0xff), EQUAL_INT);
#endif

    /* negative values */
    CBOR_CHECK(int, int, stream, -1,  HEX_LITERAL(0x20), EQUAL_INT);
    CBOR_CHECK(int, int, stream, -24, HEX_LITERAL(0x37), EQUAL_INT);

    CBOR_CHECK(int, int, stream, -25,     HEX_LITERAL(0x38, 0x18), EQUAL_INT);
    CBOR_CHECK(int, int, stream, -0xff - 1, HEX_LITERAL(0x38, 0xff), EQUAL_INT);

    CBOR_CHECK(int, int, stream, -0xff - 2,   HEX_LITERAL(0x39, 0x01, 0x00), EQUAL_INT);
    CBOR_CHECK(int, int, stream, -0xffff - 1, HEX_LITERAL(0x39, 0xff, 0xff), EQUAL_INT);

    CBOR_CHECK(int, int, stream, -0xffff - 2,
               HEX_LITERAL(0x3a, 0x00, 0x01, 0x00, 0x00), EQUAL_INT);
#if ARCH_32_BIT
    CBOR_CHECK(int, int, stream, -0x7fffffff - 1,
               HEX_LITERAL(0x3a, 0x7f, 0xff, 0xff, 0xff), EQUAL_INT);
#endif
}

static void test_uint64_t(void)
{
    CBOR_CHECK(uint64_t, uint64_t, stream, 0x0,
               HEX_LITERAL(0x00), EQUAL_INT);
    CBOR_CHECK(uint64_t, uint64_t, stream, 0xff,
               HEX_LITERAL(0x18, 0xff), EQUAL_INT);
    CBOR_CHECK(uint64_t, uint64_t, stream, 0xffff,
               HEX_LITERAL(0x19, 0xff, 0xff), EQUAL_INT);

    CBOR_CHECK(uint64_t, uint64_t, stream, 0xffffffffull,
               HEX_LITERAL(0x1a, 0xff, 0xff, 0xff, 0xff), EQUAL_INT);
    CBOR_CHECK(uint64_t, uint64_t, stream, 0xffffffffffffffffull,
               HEX_LITERAL(0x1b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff), EQUAL_INT);
}

static void test_int_invalid(void)
{
    {
        /* check writing to stream that is not large enough */
        /* basically tests internal 'encode_int' function */

        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        /* check each possible branch in 'encode_int' */
        /* (value in first byte, uint8 follows, uint16 follows, uint64 follows) */
        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_int(&stream, 0));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_int(&stream, 24));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_int(&stream, 0xff + 1));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_int(&stream, 0xffff + 1));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
    }

    {
        /* check reading from stream that contains other type of data */

        int val_int = 0;
        TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_int(&invalid_stream, 0, &val_int));
    }
}

static void test_uint64_t_invalid(void)
{
    {
        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        /* let's do this for 'cbor_serialize_int64_t', too */
        /* this uses 'encode_int' internally, as well, so let's just test if the */
        /* 'cbor_serialize_int64_t' wrapper is sane */
        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_uint64_t(&stream, 0));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
    }

    {
        /* check reading from stream that contains other type of data */
        unsigned char data[] = {0x40}; /* empty string encoded in CBOR */
        cbor_stream_t stream = {data, 1, 1};
        uint64_t val_uint64_t = 0;
        TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_uint64_t(&stream, 0, &val_uint64_t));
    }
}

static void test_int64_t(void)
{
    CBOR_CHECK(int64_t, int64_t, stream, -1,
               HEX_LITERAL(0x20), EQUAL_INT);
    CBOR_CHECK(int64_t, int64_t, stream, -0xff - 1,
               HEX_LITERAL(0x38, 0xff), EQUAL_INT);
    CBOR_CHECK(int64_t, int64_t, stream, -0xffff - 1,
               HEX_LITERAL(0x39, 0xff, 0xff), EQUAL_INT);
    CBOR_CHECK(int64_t, int64_t, stream, -0xffffffffll - 1,
               HEX_LITERAL(0x3a, 0xff, 0xff, 0xff, 0xff), EQUAL_INT);
    CBOR_CHECK(int64_t, int64_t, stream, -0x7fffffffffffffffll - 1,
               HEX_LITERAL(0x3b, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff), EQUAL_INT);
}

static void test_int64_t_invalid(void)
{
    {
        /* check writing to stream that is not large enough (also see test_major_type_0_invalid) */

        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_int64_t(&stream, 0));
        TEST_ASSERT_EQUAL_INT(0, stream.pos);
    }

    {
        /* check reading from stream that contains other type of data */

        unsigned char data[] = {0x40}; /* empty string encoded in CBOR */
        cbor_stream_t stream = {data, 1, 1};

        int64_t val = 0;
        TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_int64_t(&stream, 0, &val));
    }
}

static void test_byte_string(void)
{
    char buffer[128];

    {
        const char *input = "";
        unsigned char data[] = {0x40};
        TEST_ASSERT(cbor_serialize_byte_string(&stream, input));
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
        TEST_ASSERT(cbor_deserialize_byte_string(&stream, 0, buffer, sizeof(buffer)));
        CBOR_CHECK_DESERIALIZED(input, buffer, EQUAL_STRING);
    }

    cbor_clear(&stream);

    {
        const char *input = "a";
        unsigned char data[] = {0x41, 0x61};
        TEST_ASSERT(cbor_serialize_byte_string(&stream, input));
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
        TEST_ASSERT(cbor_deserialize_byte_string(&stream, 0, buffer, sizeof(buffer)));
        CBOR_CHECK_DESERIALIZED(input, buffer, EQUAL_STRING);
    }
}

static void test_byte_string_invalid(void)
{
    {
        /* check writing to stream that is not large enough */
        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_byte_string(&stream, "foo"));

        cbor_destroy(&stream);
    }
}


static void test_unicode_string(void)
{
    char buffer[128];

    {
        const char *input = "";
        unsigned char data[] = {0x60};
        TEST_ASSERT(cbor_serialize_unicode_string(&stream, input));
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
        TEST_ASSERT(cbor_deserialize_unicode_string(&stream, 0, buffer, sizeof(buffer)));
        CBOR_CHECK_DESERIALIZED(input, buffer, EQUAL_STRING);
    }

    cbor_clear(&stream);

    {
        const char *input = "a";
        unsigned char data[] = {0x61, 0x61};
        TEST_ASSERT(cbor_serialize_unicode_string(&stream, input));
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
        TEST_ASSERT(cbor_deserialize_unicode_string(&stream, 0, buffer, sizeof(buffer)));
        CBOR_CHECK_DESERIALIZED(input, buffer, EQUAL_STRING);
    }
}

static void test_unicode_string_invalid(void)
{
    {
        /* check writing to stream that is not large enough */
        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_unicode_string(&stream, "foo"));

        cbor_destroy(&stream);
    }
}

static void test_array(void)
{
    /* uniform types */
    {
        /* serialization */
        TEST_ASSERT(cbor_serialize_array(&stream, 2));
        TEST_ASSERT(cbor_serialize_int(&stream, 1));
        TEST_ASSERT(cbor_serialize_int(&stream, 2));
        unsigned char data[] = {0x82, 0x01, 0x02};
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

        /* deserialization */
        size_t array_length;
        size_t offset = cbor_deserialize_array(&stream, 0, &array_length);
        TEST_ASSERT_EQUAL_INT(2, array_length);
        int i;
        offset += cbor_deserialize_int(&stream, offset, &i);
        TEST_ASSERT_EQUAL_INT(1, i);
        offset += cbor_deserialize_int(&stream, offset, &i);
        TEST_ASSERT_EQUAL_INT(2, i);
        TEST_ASSERT_EQUAL_INT(sizeof(data), offset);
    }

    cbor_clear(&stream);

    /* mixed types */
    {
        TEST_ASSERT(cbor_serialize_array(&stream, 2));
        TEST_ASSERT(cbor_serialize_int(&stream, 1));
        TEST_ASSERT(cbor_serialize_byte_string(&stream, "a"));
        unsigned char data[] = {0x82, 0x01, 0x41, 0x61};
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

        /* deserialization */
        size_t array_length;
        size_t offset = cbor_deserialize_array(&stream, 0, &array_length);
        TEST_ASSERT(offset);
        TEST_ASSERT_EQUAL_INT(2, array_length);
        int i;
        offset += cbor_deserialize_int(&stream, offset, &i);
        TEST_ASSERT_EQUAL_INT(1, i);
        char buffer[1024];
        offset += cbor_deserialize_byte_string(&stream, offset, buffer, sizeof(buffer));
        TEST_ASSERT_EQUAL_STRING("a", &(buffer[0]));
        TEST_ASSERT_EQUAL_INT(sizeof(data), offset);
    }
}

static void test_array_indefinite(void)
{
    {
        /* serialization */
        TEST_ASSERT(cbor_serialize_array_indefinite(&stream));
        TEST_ASSERT(cbor_serialize_int(&stream, 1));
        TEST_ASSERT(cbor_serialize_int(&stream, 2));
        TEST_ASSERT(cbor_write_break(&stream));
        unsigned char data[] = {0x9f, 0x01, 0x02, 0xff};
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

        /* deserialization */
        size_t offset = cbor_deserialize_array_indefinite(&stream, 0);
        int count = 0;

        while (!cbor_at_break(&stream, offset)) {
            int val;
            size_t read_bytes = cbor_deserialize_int(&stream, offset, &val);
            TEST_ASSERT(read_bytes);
            offset += read_bytes;
            ++count;
        }

        TEST_ASSERT_EQUAL_INT(2, count);
        TEST_ASSERT(cbor_at_end(&stream, offset));
    }
}

static void test_array_invalid(void)
{
    TEST_ASSERT_EQUAL_INT(0, cbor_serialize_array(&empty_stream, 1));

    size_t array_length;
    TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_array(&invalid_stream, 0, &array_length));
}

static void test_map(void)
{
    {
        /* serialization */
        TEST_ASSERT(cbor_serialize_map(&stream, 2));
        TEST_ASSERT(cbor_serialize_int(&stream, 1));
        TEST_ASSERT(cbor_serialize_byte_string(&stream, "1"));
        TEST_ASSERT(cbor_serialize_int(&stream, 2));
        TEST_ASSERT(cbor_serialize_byte_string(&stream, "2"));
        unsigned char data[] = {0xa2,
                                0x01, 0x41, 0x31, /* kv-pair 1 */
                                0x02, 0x41, 0x32, /* kv-pair 2 */
                               };
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

        /* deserialization */
        size_t map_length;
        size_t offset = cbor_deserialize_map(&stream, 0, &map_length);
        TEST_ASSERT_EQUAL_INT(2, map_length);
        int key;
        char value[8];
        offset += cbor_deserialize_int(&stream, offset, &key);
        TEST_ASSERT_EQUAL_INT(1, key);
        offset += cbor_deserialize_byte_string(&stream, offset, value, sizeof(value));
        TEST_ASSERT_EQUAL_STRING("1", &(value[0]));
        offset += cbor_deserialize_int(&stream, offset, &key);
        TEST_ASSERT_EQUAL_INT(2, key);
        offset += cbor_deserialize_byte_string(&stream, offset, value, sizeof(value));
        TEST_ASSERT_EQUAL_STRING("2", &(value[0]));
        TEST_ASSERT_EQUAL_INT(sizeof(data), offset);
    }
}

static void test_map_indefinite(void)
{
    {
        /* serialization */
        TEST_ASSERT(cbor_serialize_map_indefinite(&stream));
        TEST_ASSERT(cbor_serialize_int(&stream, 1));
        TEST_ASSERT(cbor_serialize_byte_string(&stream, "1"));
        TEST_ASSERT(cbor_serialize_int(&stream, 2));
        TEST_ASSERT(cbor_serialize_byte_string(&stream, "2"));
        TEST_ASSERT(cbor_write_break(&stream));
        unsigned char data[] = {0xbf,
                                0x01, 0x41, 0x31, /* kv-pair 1 */
                                0x02, 0x41, 0x32, /* kv-pair 2 */
                                0xff
                               };
        CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

        /* deserialization */
        size_t offset = cbor_deserialize_map_indefinite(&stream, 0);
        int count = 0;

        while (!cbor_at_break(&stream, offset)) {
            int key;
            char value[16];
            size_t read_bytes;
            offset += read_bytes = cbor_deserialize_int(&stream, offset, &key);
            TEST_ASSERT(read_bytes);
            offset += read_bytes = cbor_deserialize_byte_string(&stream, offset,
                                   value, sizeof(value));
            TEST_ASSERT(read_bytes);
            ++count;
        }

        TEST_ASSERT_EQUAL_INT(2, count);
        TEST_ASSERT(cbor_at_end(&stream, offset));
    }
}

static void test_map_invalid(void)
{
    {
        /* check writing to stream that is not large enough */
        cbor_stream_t stream;
        cbor_init(&stream, 0, 0);

        TEST_ASSERT_EQUAL_INT(0, cbor_serialize_map(&stream, 1));

        cbor_destroy(&stream);
    }
    {
        /* check reading from stream that contains other type of data */
        unsigned char data[] = {0x40}; /* empty string encoded in CBOR */
        cbor_stream_t stream = {data, 1, 1};

        size_t map_length;
        TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_map(&stream, 0, &map_length));
    }
}

#ifndef CBOR_NO_SEMANTIC_TAGGING
static void test_semantic_tagging(void)
{
    char buffer[128];

    const char *input = "1";
    /* CBOR: byte string of length 1 marked with a tag to indicate it is a positive bignum */
    /* byte 1: (major type 6, additional information */
    /* byte 2: (major type 2, additional 1 for the length) */
    /* byte 3: bytes representing the bignum */
    unsigned char data[] = {0xc2, 0x41, 0x31};
    TEST_ASSERT(cbor_write_tag(&stream, 2)); /* write byte 1 */
    TEST_ASSERT(cbor_serialize_byte_string(&stream, input)); /* write byte 2 and 3 */
    CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
    TEST_ASSERT(cbor_at_tag(&stream, 0));
    TEST_ASSERT(cbor_deserialize_byte_string(&stream, 1, buffer, sizeof(buffer)));
    CBOR_CHECK_DESERIALIZED(input, buffer, EQUAL_STRING);
}

#ifndef CBOR_NO_CTIME
static void test_date_time(void)
{
    /* CBOR: UTF-8 string marked with a tag 0 to indicate it is a standard date/time string */
    /* byte 1: (major type 6, additional information */
    /* byte 2: (major type 2, additional 23 for the length) */
    /* bytes 3 to 23: bytes representing the date/time UTF-8 string */
    unsigned char data[] = {0xC0, 0x74, 0x32, 0x30, 0x31, 0x34, 0x2D, 0x30, 0x37, 0x2D, 0x30, 0x31,
                            0x54, 0x31, 0x35, 0x3A, 0x30, 0x30, 0x3A, 0x30, 0x30, 0x5A
                           };
    struct tm val;
    val.tm_year = 114;
    val.tm_mon = 6;
    val.tm_mday = 1;
    val.tm_hour = 15;
    val.tm_min = 0;
    val.tm_sec = 0;
    val.tm_isdst = -1;
    mktime(&val);
    TEST_ASSERT(cbor_serialize_date_time(&stream, &val));
    CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));

    TEST_ASSERT(cbor_at_tag(&stream, 0));
    struct tm val2;
    TEST_ASSERT(cbor_deserialize_date_time(&stream, 0, &val2));
    CBOR_CHECK_DESERIALIZED(val, val2, EQUAL_DATE_TIME);
}

static void test_date_time_epoch(void)
{
    /*
     CBOR: unsigned integer marked with a tag 1 to indicate it is a
     standard date/time epoch (similar to time_t)
     */
    unsigned char data[] = {0xC1, 0x01};
    time_t val = 1;
    TEST_ASSERT(cbor_serialize_date_time_epoch(&stream, val));
    CBOR_CHECK_SERIALIZED(stream, data, sizeof(data));
    time_t val2 = 0;
    TEST_ASSERT(cbor_deserialize_date_time_epoch(&stream, 0, &val2));
    CBOR_CHECK_DESERIALIZED(val, val2, EQUAL_INT);
}
#endif /* CBOR_NO_CTIME */
#endif /* CBOR_NO_SEMANTIC_TAGGING */

static void test_bool(void)
{
    CBOR_CHECK(bool, bool, stream, false, HEX_LITERAL(0xf4), EQUAL_INT);
    CBOR_CHECK(bool, bool, stream, true,  HEX_LITERAL(0xf5), EQUAL_INT);
}

static void test_bool_invalid(void)
{
    TEST_ASSERT_EQUAL_INT(0, cbor_serialize_bool(&empty_stream, true));
    TEST_ASSERT_EQUAL_INT(0, empty_stream.pos);

    bool val_bool = 0;
    TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_bool(&invalid_stream, 0, &val_bool));
}

#ifndef CBOR_NO_FLOAT
static void test_float_half(void)
{
    /* check border conditions */
    CBOR_CHECK(float, float_half, stream, -.0f, HEX_LITERAL(0xf9, 0x80, 0x00), EQUAL_FLOAT);
    CBOR_CHECK(float, float_half, stream, .0f, HEX_LITERAL(0xf9, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(float, float_half, stream, INFINITY, HEX_LITERAL(0xf9, 0x7c, 0x00), EQUAL_FLOAT);
    /* TODO: Broken: encode_float_half issue? */
    /*CBOR_CHECK(float, float_half, stream, NAN, HEX_LITERAL(0xf9, 0x7e, 0x00), EQUAL_FLOAT);*/
    CBOR_CHECK(float, float_half, stream, -INFINITY, HEX_LITERAL(0xf9, 0xfc, 0x00), EQUAL_FLOAT);

    /* check examples from the CBOR RFC */
    CBOR_CHECK(float, float_half, stream, -4.f, HEX_LITERAL(0xf9, 0xc4, 0x00), EQUAL_FLOAT);
    CBOR_CHECK(float, float_half, stream, 1.f, HEX_LITERAL(0xf9, 0x3c, 0x00), EQUAL_FLOAT);
    CBOR_CHECK(float, float_half, stream, 1.5f, HEX_LITERAL(0xf9, 0x3e, 0x00), EQUAL_FLOAT);
    CBOR_CHECK(float, float_half, stream, 5.960464477539063e-8,
               HEX_LITERAL(0xf9, 0x00, 0x01), EQUAL_FLOAT);
}

static void test_float_half_invalid(void)
{
    TEST_ASSERT_EQUAL_INT(0, cbor_serialize_float_half(&empty_stream, 0.f));
    TEST_ASSERT_EQUAL_INT(0, empty_stream.pos);

    float val_float_half = 0;
    TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_float_half(&invalid_stream, 0, &val_float_half));
}


static void test_float(void)

{
    /* check border conditions */
    CBOR_CHECK(float, float, stream, .0f,
               HEX_LITERAL(0xfa, 0x00, 0x00, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(float, float, stream, INFINITY,
    /* cppcheck-suppress nanInArithmeticExpression */
               HEX_LITERAL(0xfa, 0x7f, 0x80, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(float, float, stream, NAN,
               HEX_LITERAL(0xfa, 0x7f, 0xc0, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(float, float, stream, -INFINITY,
               HEX_LITERAL(0xfa, 0xff, 0x80, 0x00, 0x00), EQUAL_FLOAT);

    /* check examples from the CBOR RFC */
    CBOR_CHECK(float, float, stream, 100000.f,
               HEX_LITERAL(0xfa, 0x47, 0xc3, 0x50, 0x00), EQUAL_FLOAT);
    CBOR_CHECK(float, float, stream, 3.4028234663852886e+38,
               HEX_LITERAL(0xfa, 0x7f, 0x7f, 0xff, 0xff), EQUAL_FLOAT);
}

static void test_float_invalid(void)
{
    TEST_ASSERT_EQUAL_INT(0, cbor_serialize_float(&empty_stream, 0.f));
    TEST_ASSERT_EQUAL_INT(0, empty_stream.pos);

    float val_float = 0;
    TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_float(&invalid_stream, 0, &val_float));
}

static void test_double(void)
{
    /* check border conditions */
    CBOR_CHECK(double, double, stream, .0f,
               HEX_LITERAL(0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(double, double, stream, INFINITY,
    /* cppcheck-suppress nanInArithmeticExpression */
               HEX_LITERAL(0xfb, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(double, double, stream, NAN,
               HEX_LITERAL(0xfb, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), EQUAL_FLOAT);
    /* cppcheck-suppress nanInArithmeticExpression */
    CBOR_CHECK(double, double, stream, -INFINITY,
               HEX_LITERAL(0xfb, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), EQUAL_FLOAT);

    /* check examples from the CBOR RFC */
    CBOR_CHECK(double, double, stream, 1.1,
               HEX_LITERAL(0xfb, 0x3f, 0xf1, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a), EQUAL_FLOAT);
    CBOR_CHECK(double, double, stream, -4.1,
               HEX_LITERAL(0xfb, 0xc0, 0x10, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66), EQUAL_FLOAT);
#if ARCH_32_BIT
    CBOR_CHECK(double, double, stream, 1.e+300,
               HEX_LITERAL(0xfb, 0x7e, 0x37, 0xe4, 0x3c, 0x88, 0x00, 0x75, 0x9c), EQUAL_FLOAT);
#endif
}

static void test_double_invalid(void)
{
    TEST_ASSERT_EQUAL_INT(0, cbor_serialize_double(&empty_stream, 0));
    TEST_ASSERT_EQUAL_INT(0, empty_stream.pos);


    double val_double = 0;
    TEST_ASSERT_EQUAL_INT(0, cbor_deserialize_double(&invalid_stream, 0, &val_double));
}
#endif /* CBOR_NO_FLOAT */

#ifndef CBOR_NO_PRINT
/**
 * Manual test for testing the cbor_stream_decode function
 */
void test_stream_decode(void)
{
    cbor_clear(&stream);

    cbor_serialize_int(&stream, 1);
    cbor_serialize_uint64_t(&stream, 2llu);
    cbor_serialize_int64_t(&stream, 3);
    cbor_serialize_int64_t(&stream, -5);
    cbor_serialize_bool(&stream, true);
#ifndef CBOR_NO_FLOAT
    cbor_serialize_float_half(&stream, 1.1f);
    cbor_serialize_float(&stream, 1.5f);
    cbor_serialize_double(&stream, 2.0);
#endif /* CBOR_NO_FLOAT */
    cbor_serialize_byte_string(&stream, "abc");
    cbor_serialize_unicode_string(&stream, "def");

    cbor_serialize_array(&stream, 2);
    cbor_serialize_int(&stream, 0);
    cbor_serialize_int(&stream, 1);

    cbor_serialize_array_indefinite(&stream);
    cbor_serialize_int(&stream, 10);
    cbor_serialize_int(&stream, 11);
    cbor_write_break(&stream);

    cbor_serialize_map(&stream, 2);
    cbor_serialize_int(&stream, 1);
    cbor_serialize_byte_string(&stream, "1");
    cbor_serialize_int(&stream, 2);
    cbor_serialize_byte_string(&stream, "2");

    cbor_serialize_map_indefinite(&stream);
    cbor_serialize_int(&stream, 10);
    cbor_serialize_byte_string(&stream, "10");
    cbor_serialize_int(&stream, 11);
    cbor_serialize_byte_string(&stream, "11");
    cbor_write_break(&stream);

#ifndef CBOR_NO_SEMANTIC_TAGGING
#ifndef CBOR_NO_CTIME
    time_t rawtime;
    time(&rawtime);
    struct tm *timeinfo = localtime(&rawtime);
    cbor_serialize_date_time(&stream, timeinfo);
    cbor_serialize_date_time_epoch(&stream, rawtime);
#endif /* CBOR_NO_CTIME */

    /* decoder should skip the tag and print 'unsupported' here */
    cbor_write_tag(&stream, 2);
    cbor_serialize_byte_string(&stream, "1");
#endif /* CBOR_NO_SEMANTIC_TAGGING */

    cbor_stream_decode(&stream);
}
#endif /* CBOR_NO_PRINT */

/**
 * See examples from CBOR RFC (cf. Appendix A. Examples)
 */
TestRef tests_cbor_all(void)
{
    EMB_UNIT_TESTFIXTURES(fixtures) {
        new_TestFixture(test_int),
                        new_TestFixture(test_int_invalid),
                        new_TestFixture(test_uint64_t),
                        new_TestFixture(test_uint64_t_invalid),
                        new_TestFixture(test_int64_t),
                        new_TestFixture(test_int64_t_invalid),
                        new_TestFixture(test_byte_string),
                        new_TestFixture(test_byte_string_invalid),
                        new_TestFixture(test_unicode_string),
                        new_TestFixture(test_unicode_string_invalid),
                        new_TestFixture(test_array),
                        new_TestFixture(test_array_indefinite),
                        new_TestFixture(test_array_invalid),
                        new_TestFixture(test_map),
                        new_TestFixture(test_map_indefinite),
                        new_TestFixture(test_map_invalid),
#ifndef CBOR_NO_SEMANTIC_TAGGING
                        new_TestFixture(test_semantic_tagging),
#ifndef CBOR_NO_CTIME
                        new_TestFixture(test_date_time),
                        new_TestFixture(test_date_time_epoch),
#endif /* CBOR_NO_CTIME */
#endif /* CBOR_NO_SEMANTIC_TAGGING */
                        new_TestFixture(test_bool),
                        new_TestFixture(test_bool_invalid),
#ifndef CBOR_NO_FLOAT
                        new_TestFixture(test_float_half),
                        new_TestFixture(test_float_half_invalid),
                        new_TestFixture(test_float),
                        new_TestFixture(test_float_invalid),
                        new_TestFixture(test_double),
                        new_TestFixture(test_double_invalid),
#endif /* CBOR_NO_FLOAT */
    };

    EMB_UNIT_TESTCALLER(CborTest, setUp, tearDown, fixtures);
    return (TestRef)&CborTest;
}

void tests_cbor(void)
{
#ifndef CBOR_NO_PRINT
    test_stream_decode();
#endif /* CBOR_NO_PRINT */

    TESTS_RUN(tests_cbor_all());
}