diff options
Diffstat (limited to 'CAN-binder/libs/bitfield-c/tests/bitfield_tests.c')
| -rw-r--r-- | CAN-binder/libs/bitfield-c/tests/bitfield_tests.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/CAN-binder/libs/bitfield-c/tests/bitfield_tests.c b/CAN-binder/libs/bitfield-c/tests/bitfield_tests.c new file mode 100644 index 00000000..b8c83b59 --- /dev/null +++ b/CAN-binder/libs/bitfield-c/tests/bitfield_tests.c @@ -0,0 +1,132 @@ +#include <check.h> +#include <stdint.h> +#include <bitfield/bitfield.h> + +START_TEST (test_get_byte) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result = get_byte(data, sizeof(data), 0); + ck_assert_int_eq(result, 0x12); + result = get_byte(data, sizeof(data), 3); + ck_assert_int_eq(result, 0x78); +} +END_TEST + +START_TEST (test_set_nibble) +{ + uint8_t data[4] = {0}; + fail_unless(set_nibble(0, 0x1, data, sizeof(data))); + fail_unless(set_nibble(1, 0x2, data, sizeof(data))); + fail_unless(set_nibble(2, 0x3, data, sizeof(data))); + fail_unless(set_nibble(3, 0x4, data, sizeof(data))); + fail_unless(set_nibble(4, 0x5, data, sizeof(data))); + ck_assert_int_eq(data[0], 0x12); + ck_assert_int_eq(data[1], 0x34); + ck_assert_int_eq(data[2], 0x50); +} +END_TEST + +START_TEST (test_set_bitfield) +{ + uint8_t data[4] = {0}; + fail_unless(set_bitfield(0x12, 0, 8, data, sizeof(data))); + fail_unless(set_bitfield(bitmask(3), 10, 3, data, sizeof(data))); + ck_assert_int_eq(data[0], 0x12); + ck_assert_int_eq(data[1], 0x38); +} +END_TEST + +START_TEST (test_set_bitfield_doesnt_fit) +{ + uint8_t data[4] = {0}; + fail_if(set_bitfield(0xffff, 0, 8, data, sizeof(data))); + ck_assert_int_eq(data[0], 0); + ck_assert_int_eq(data[1], 0); + ck_assert_int_eq(data[2], 0); + ck_assert_int_eq(data[3], 0); +} +END_TEST + +START_TEST (test_get_nibble) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result = get_nibble(data, sizeof(data), 0); + ck_assert_int_eq(result, 0x1); + result = get_nibble(data, sizeof(data), 1); + ck_assert_int_eq(result, 0x2); + result = get_nibble(data, sizeof(data), 2); + ck_assert_int_eq(result, 0x3); +} +END_TEST + +START_TEST (test_get_bits_out_of_range) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result[4]; + fail_if(copy_bits_right_aligned(data, sizeof(data), 25, 16, result, + sizeof(result))); +} +END_TEST + +START_TEST (test_get_bits) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result[4] = {0}; + fail_unless(copy_bits_right_aligned(data, sizeof(data), 0, 16, result, + sizeof(result))); + ck_assert_int_eq(result[2], 0x12); + ck_assert_int_eq(result[3], 0x34); +} +END_TEST + +START_TEST (test_copy_bytes) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result[4] = {0}; + fail_unless(copy_bytes_right_aligned(data, sizeof(data), 1, 3, result, + sizeof(result))); + ck_assert_int_eq(result[1], 0x34); + ck_assert_int_eq(result[2], 0x56); + ck_assert_int_eq(result[3], 0x78); +} +END_TEST + +START_TEST (test_get_uneven_bits) +{ + uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; + uint8_t result[4] = {0}; + fail_unless(copy_bits_right_aligned(data, sizeof(data), 4, 12, result, + sizeof(result))); + ck_assert_int_eq(result[2], 0x2); + ck_assert_int_eq(result[3], 0x34); +} +END_TEST + +Suite* bitfieldSuite(void) { + Suite* s = suite_create("bitfield"); + TCase *tc_core = tcase_create("core"); + tcase_add_test(tc_core, test_get_byte); + tcase_add_test(tc_core, test_get_nibble); + tcase_add_test(tc_core, test_set_nibble); + tcase_add_test(tc_core, test_set_bitfield); + tcase_add_test(tc_core, test_set_bitfield_doesnt_fit); + tcase_add_test(tc_core, test_get_bits); + tcase_add_test(tc_core, test_copy_bytes); + tcase_add_test(tc_core, test_get_bits_out_of_range); + tcase_add_test(tc_core, test_get_uneven_bits); + suite_add_tcase(s, tc_core); + + return s; +} + +int main(void) { + int numberFailed; + Suite* s = bitfieldSuite(); + SRunner *sr = srunner_create(s); + // Don't fork so we can actually use gdb + srunner_set_fork_status(sr, CK_NOFORK); + srunner_run_all(sr, CK_NORMAL); + numberFailed = srunner_ntests_failed(sr); + srunner_free(sr); + return (numberFailed == 0) ? 0 : 1; +} |