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/* 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);
}
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