Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <stdlib.h> |
| 4 | #include <tests/test.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | static const char test_data1[] = |
| 8 | "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; |
| 9 | static const size_t test_data1_sz = sizeof(test_data1); |
| 10 | static const char test_data2[] = { |
| 11 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 12 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 13 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 14 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
| 15 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 16 | 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 17 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 18 | 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 19 | 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 20 | 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
| 21 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 22 | 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 23 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 24 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 25 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 26 | 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
| 27 | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 28 | 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 29 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 30 | 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
| 31 | 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 32 | 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
| 33 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
| 34 | 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
| 35 | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 36 | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
| 37 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
| 38 | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
| 39 | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
| 40 | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
| 41 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 42 | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff |
| 43 | }; |
| 44 | static const size_t test_data2_sz = sizeof(test_data2); |
| 45 | |
| 46 | static void test_memchr_existing_value(void **state) |
| 47 | { |
| 48 | /* Test using character string */ |
| 49 | void *v1 = memchr(test_data1, 'A', test_data1_sz); |
Jakub Czapiga | 68220b5 | 2021-02-24 12:12:22 +0100 | [diff] [blame] | 50 | void *v2 = memchr(test_data1 + 26, 'A', test_data1_sz - 26); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 51 | |
| 52 | assert_non_null(v1); |
| 53 | assert_non_null(v2); |
| 54 | assert_ptr_equal(v1, v2); |
| 55 | assert_ptr_equal(v1, &test_data1[26]); |
| 56 | |
| 57 | /* Test using full byte range array */ |
| 58 | v1 = memchr(test_data2, 0x33, test_data2_sz); |
| 59 | v2 = memchr(test_data2 + 0x15, 0x33, test_data2_sz - 0x15); |
| 60 | |
| 61 | assert_non_null(v1); |
| 62 | assert_non_null(v2); |
| 63 | assert_ptr_equal(v1, v2); |
| 64 | assert_ptr_equal(v1, &test_data2[0x33]); |
| 65 | } |
| 66 | |
| 67 | static void test_memchr_last_character_in_string(void **state) |
| 68 | { |
| 69 | void *v1 = memchr(test_data1, '9', test_data1_sz); |
Jakub Czapiga | 68220b5 | 2021-02-24 12:12:22 +0100 | [diff] [blame] | 70 | void *v2 = memchr(&test_data1[test_data1_sz - 2], '9', 2); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 71 | void *v3 = memchr(test_data2, 0xff, test_data2_sz); |
Jakub Czapiga | 68220b5 | 2021-02-24 12:12:22 +0100 | [diff] [blame] | 72 | void *v4 = memchr(&test_data2[test_data2_sz - 1], 0xff, 1); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 73 | |
Jakub Czapiga | 68220b5 | 2021-02-24 12:12:22 +0100 | [diff] [blame] | 74 | assert_non_null(v1); |
| 75 | assert_non_null(v2); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 76 | assert_ptr_equal(v1, v2); |
| 77 | assert_ptr_equal(v1, &test_data1[test_data1_sz - 2]); |
| 78 | |
Jakub Czapiga | 68220b5 | 2021-02-24 12:12:22 +0100 | [diff] [blame] | 79 | assert_non_null(v3); |
| 80 | assert_non_null(v4); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 81 | assert_ptr_equal(v3, v4); |
| 82 | assert_ptr_equal(v3, &test_data2[test_data2_sz - 1]); |
| 83 | } |
| 84 | |
| 85 | static void test_memchr_nonexistent_value(void **state) |
| 86 | { |
| 87 | assert_null(memchr(test_data1, '@', test_data1_sz)); |
| 88 | } |
| 89 | |
| 90 | static void test_memchr_zero_size(void **state) |
| 91 | { |
| 92 | assert_null(memchr(test_data2, 0x56, 0)); |
| 93 | } |
| 94 | |
| 95 | int main(void) |
| 96 | { |
| 97 | const struct CMUnitTest tests[] = { |
| 98 | cmocka_unit_test(test_memchr_existing_value), |
| 99 | cmocka_unit_test(test_memchr_last_character_in_string), |
| 100 | cmocka_unit_test(test_memchr_nonexistent_value), |
| 101 | cmocka_unit_test(test_memchr_zero_size), |
| 102 | }; |
| 103 | |
Jakub Czapiga | 7c6081e | 2021-08-25 16:27:35 +0200 | [diff] [blame] | 104 | return cb_run_group_tests(tests, NULL, NULL); |
Jakub Czapiga | cc7acb8 | 2021-02-15 14:21:20 +0100 | [diff] [blame] | 105 | } |