1 /* 2 * Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com> 3 * 4 * libcbor is free software; you can redistribute it and/or modify 5 * it under the terms of the MIT license. See LICENSE for details. 6 */ 7 8 #include "assertions.h" 9 #include "cbor.h" 10 11 unsigned char buffer[512]; 12 13 static void test_embedded_negint8(void **_CBOR_UNUSED(_state)) { 14 assert_size_equal(1, cbor_encode_negint8(14, buffer, 512)); 15 assert_memory_equal(buffer, (unsigned char[]){0x2E}, 1); 16 } 17 18 static void test_negint8(void **_CBOR_UNUSED(_state)) { 19 assert_size_equal(0, cbor_encode_negint8(180, buffer, 1)); 20 assert_size_equal(2, cbor_encode_negint8(255, buffer, 512)); 21 assert_memory_equal(buffer, ((unsigned char[]){0x38, 0xFF}), 2); 22 } 23 24 static void test_negint16(void **_CBOR_UNUSED(_state)) { 25 assert_size_equal(0, cbor_encode_negint16(1000, buffer, 2)); 26 assert_size_equal(3, cbor_encode_negint16(1000, buffer, 512)); 27 assert_memory_equal(buffer, ((unsigned char[]){0x39, 0x03, 0xE8}), 3); 28 } 29 30 static void test_negint32(void **_CBOR_UNUSED(_state)) { 31 assert_size_equal(0, cbor_encode_negint32(1000000, buffer, 4)); 32 assert_size_equal(5, cbor_encode_negint32(1000000, buffer, 512)); 33 assert_memory_equal(buffer, ((unsigned char[]){0x3A, 0x00, 0x0F, 0x42, 0x40}), 34 5); 35 } 36 37 static void test_negint64(void **_CBOR_UNUSED(_state)) { 38 assert_size_equal(0, 39 cbor_encode_negint64(18446744073709551615ULL, buffer, 8)); 40 assert_size_equal(9, 41 cbor_encode_negint64(18446744073709551615ULL, buffer, 512)); 42 assert_memory_equal( 43 buffer, 44 ((unsigned char[]){0x3B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}), 45 9); 46 } 47 48 static void test_unspecified(void **_CBOR_UNUSED(_state)) { 49 assert_size_equal(9, 50 cbor_encode_negint(18446744073709551615ULL, buffer, 512)); 51 assert_memory_equal( 52 buffer, 53 ((unsigned char[]){0x3B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}), 54 9); 55 assert_size_equal(5, cbor_encode_negint(1000000, buffer, 512)); 56 assert_memory_equal(buffer, ((unsigned char[]){0x3A, 0x00, 0x0F, 0x42, 0x40}), 57 5); 58 assert_size_equal(3, cbor_encode_negint(1000, buffer, 512)); 59 assert_memory_equal(buffer, ((unsigned char[]){0x39, 0x03, 0xE8}), 3); 60 assert_size_equal(2, cbor_encode_negint(255, buffer, 512)); 61 assert_memory_equal(buffer, ((unsigned char[]){0x38, 0xFF}), 2); 62 } 63 64 int main(void) { 65 const struct CMUnitTest tests[] = {cmocka_unit_test(test_embedded_negint8), 66 cmocka_unit_test(test_negint8), 67 cmocka_unit_test(test_negint16), 68 cmocka_unit_test(test_negint32), 69 cmocka_unit_test(test_negint64), 70 cmocka_unit_test(test_unspecified)}; 71 return cmocka_run_group_tests(tests, NULL, NULL); 72 } 73