/* 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 cb_run_group_tests(tests, NULL, NULL); }