| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* Include memcmp() source code and alter its name to compare results with libc memcmp() */ |
| #define memcmp cb_memcmp |
| |
| #include "../lib/memcmp.c" |
| |
| #undef cb_memcmp |
| |
| #include <tests/test.h> |
| #include <string.h> |
| |
| const char test_data1[] = "TEST_DATA @4321 !@#$%^&*\\/"; |
| const size_t test_data1_sz = sizeof(test_data1); |
| |
| const char test_data2[] = "TEST_DATA @8765 !@#$%^&*\\/"; |
| const char test_data2_sz = sizeof(test_data2); |
| |
| static void test_data_correctness(void **state) |
| { |
| assert_int_equal(sizeof(test_data1), test_data1_sz); |
| assert_int_equal(sizeof(test_data2), test_data2_sz); |
| assert_int_equal(test_data1_sz, test_data2_sz); |
| } |
| |
| static void test_memcmp_equal(void **state) |
| { |
| const int res_cb = cb_memcmp(test_data1, test_data1, test_data1_sz); |
| const int res_std = memcmp(test_data1, test_data1, test_data1_sz); |
| |
| assert_int_equal(0, res_cb); |
| assert_int_equal(res_cb, res_std); |
| } |
| |
| static void test_memcmp_first_not_matching_lower(void **state) |
| { |
| const int res_cb = cb_memcmp(test_data1, test_data2, test_data1_sz); |
| const int res_std = memcmp(test_data1, test_data2, test_data1_sz); |
| |
| assert_true(res_cb < 0); |
| assert_int_equal(res_cb, res_std); |
| } |
| |
| static void test_memcmp_first_not_matching_higher(void **state) |
| { |
| const int res_cb = cb_memcmp(test_data2, test_data1, test_data1_sz); |
| const int res_std = memcmp(test_data2, test_data1, test_data1_sz); |
| |
| assert_true(res_cb > 0); |
| assert_int_equal(res_cb, res_std); |
| } |
| |
| static void test_memcmp_zero_size(void **state) |
| { |
| const int res_cb = cb_memcmp(test_data1, test_data2, 0); |
| const int res_std = memcmp(test_data1, test_data2, 0); |
| |
| assert_int_equal(0, res_cb); |
| assert_int_equal(res_cb, res_std); |
| } |
| |
| int main(void) |
| { |
| const struct CMUnitTest tests[] = { |
| cmocka_unit_test(test_data_correctness), |
| cmocka_unit_test(test_memcmp_equal), |
| cmocka_unit_test(test_memcmp_first_not_matching_lower), |
| cmocka_unit_test(test_memcmp_first_not_matching_higher), |
| cmocka_unit_test(test_memcmp_zero_size), |
| }; |
| |
| return cmocka_run_group_tests(tests, NULL, NULL); |
| } |