diff options
| -rw-r--r-- | tests/lib/Makefile.inc | 4 | ||||
| -rw-r--r-- | tests/lib/memcmp-test.c | 73 |
2 files changed, 77 insertions, 0 deletions
diff --git a/tests/lib/Makefile.inc b/tests/lib/Makefile.inc index 23d8d34d45..9f4a6cad5a 100644 --- a/tests/lib/Makefile.inc +++ b/tests/lib/Makefile.inc @@ -15,6 +15,7 @@ tests-y += imd_cbmem-ramstage-test tests-y += region_file-test tests-y += stack-test tests-y += memset-test +tests-y += memcmp-test string-test-srcs += tests/lib/string-test.c string-test-srcs += src/lib/string.c @@ -80,3 +81,6 @@ stack-test-srcs += tests/stubs/console.c memset-test-srcs += tests/lib/memset-test.c memset-test-srcs += src/lib/memset.c + +memcmp-test-srcs += tests/lib/memcmp-test.c + diff --git a/tests/lib/memcmp-test.c b/tests/lib/memcmp-test.c new file mode 100644 index 0000000000..f45b7f43ff --- /dev/null +++ b/tests/lib/memcmp-test.c @@ -0,0 +1,73 @@ +/* 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); +} |