X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=tests%2Fbitfield_tests.c;h=f6287c192dcd32024f444fe24a73a5b698851750;hb=c2c7ef1dfe4cae6b5831ffab0ce5780b27e0c25e;hp=e2304ea0fb73304ee1dd5e8a64484f5adc83c45d;hpb=6830d35b449141305f137f78f09c2b879bfb9b33;p=apps%2Flow-level-can-service.git diff --git a/tests/bitfield_tests.c b/tests/bitfield_tests.c index e2304ea..f6287c1 100644 --- a/tests/bitfield_tests.c +++ b/tests/bitfield_tests.c @@ -2,200 +2,12 @@ #include #include -START_TEST (test_large_bitmask) -{ - // yeah, this isn't a public method but I wanted to unit test it to track - // down a bug - extern uint64_t bitmask(int numBits); - uint64_t result = bitmask(32); - fail_if(result != 0xffffffff); -} -END_TEST - -START_TEST (test_one_bit_not_swapped) -{ - uint64_t data = 0x80; - uint64_t result = getBitField(data, 0, 1, false); - fail_if(result == 1); -} -END_TEST - -START_TEST (test_one_bit) -{ - uint64_t data = 0x8000000000000000; - uint64_t result = getBitField(data, 0, 1, false); - fail_unless(result == 0x1, - "First bit in 0x%llx was 0x%llx instead of 0x1", data, result); -} -END_TEST - -START_TEST (test_32_bit_parse) -{ - uint64_t data = 0x0402574d555a0401; - uint64_t result = getBitField(data, 16, 32, false); - uint64_t expectedValue = 0x574d555a; - fail_unless(result == expectedValue, - "Field retrieved in 0x%llx was 0x%llx instead of 0x%llx", data, - result, expectedValue); -} -END_TEST - -START_TEST (test_16_bit_parse) -{ - uint64_t data = 0xF34DFCFF00000000; - uint64_t result = getBitField(data, 16, 16, false); - uint64_t expectedValue = 0xFCFF; - fail_unless(result == expectedValue, - "Field retrieved in 0x%llx was 0x%llx instead of 0x%llx", data, - result, expectedValue); -} -END_TEST - -START_TEST (test_one_byte) -{ - uint64_t data = 0xFA00000000000000; - uint64_t result = getBitField(data, 0, 4, false); - fail_unless(result == 0xF, - "First 4 bits in 0x%llx was 0x%llx instead of 0xF", data, result); - result = getBitField(data, 4, 4, false); - fail_unless(result == 0xA, - "First 4 bits in 0x%llx was 0x%llx instead of 0xA", data, result); - result = getBitField(data, 0, 8, false); - fail_unless(result == 0xFA, - "All bits in 0x%llx were 0x%llx instead of 0x%llx", data, result, data); -} -END_TEST - -START_TEST (test_multi_byte) -{ - uint64_t data = 0x12FA000000000000; - uint64_t result = getBitField(data, 0, 4, false); - fail_unless(result == 0x1, - "First 4 bits in 0x%llx was 0x%llx instead of 0xF", (data >> 60) & 0xF, - result); - result = getBitField(data, 4, 4, false); - fail_unless(result == 0x2, - "Second 4 bits in 0x%llx was 0x%llx instead of 0xA", (data >> 56) & 0xF, - result); - result = getBitField(data, 8, 4, false); - fail_unless(result == 0xF, - "First 4 bits in 0x%llx was 0x%llx instead of 0x1", (data >> 52) & 0xF, - result); - result = getBitField(data, 12, 4, false); - fail_unless(result == 0xA, - "Second 4 bits in 0x%llx was 0x%llx instead of 0x2", (data >> 48) % 0xF, - result); -} -END_TEST - -START_TEST (test_get_multi_byte) -{ - uint64_t data = 0x12FA000000000000; - uint64_t result = getBitField(data, 0, 9, false); - ck_assert_int_eq(result, 0x25); -} -END_TEST - -START_TEST (test_get_off_byte_boundary) -{ - uint64_t data = 0x000012FA00000000; - uint64_t result = getBitField(data, 12, 8, false); - ck_assert_int_eq(result, 0x01); -} END_TEST - -START_TEST (test_set_field) -{ - uint64_t data = 0; - setBitField(&data, 1, 0, 1); - uint64_t result = getBitField(data, 0, 1, false); - ck_assert_int_eq(result, 0x1); - data = 0; - setBitField(&data, 1, 1, 1); - result = getBitField(data, 1, 1, false); - ck_assert_int_eq(result, 0x1); - - data = 0; - setBitField(&data, 0xf, 3, 4); - result = getBitField(data, 3, 4, false); - ck_assert_int_eq(result, 0xf); -} -END_TEST - -START_TEST (test_set_doesnt_clobber_existing_data) -{ - uint64_t data = 0xFFFC4DF300000000; - setBitField(&data, 0x4fc8, 16, 16); - uint64_t result = getBitField(data, 16, 16, false); - fail_unless(result == 0x4fc8, - "Field retrieved in 0x%llx was 0x%llx instead of 0x%x", data, result, - 0xc84f); - - data = 0x8000000000000000; - setBitField(&data, 1, 21, 1); - fail_unless(data == 0x8000040000000000LLU, - "Expected combined value 0x8000040000000000 but got 0x%llx%llx", - data >> 32, data); -} -END_TEST - -START_TEST (test_set_off_byte_boundary) -{ - uint64_t data = 0xFFFC4DF300000000; - setBitField(&data, 0x12, 12, 8); - uint64_t result = getBitField(data, 12, 12, false); - ck_assert_int_eq(result,0x12d); -} -END_TEST - -START_TEST (test_set_odd_number_of_bits) -{ - uint64_t data = 0xFFFC4DF300000000LLU; - setBitField(&data, 0x12, 11, 5); - uint64_t result = getBitField(data, 11, 5, false); - fail_unless(result == 0x12, - "Field set in 0x%llx%llx%llx%llx was 0x%llx instead of 0x%llx", data, result, - 0x12); - - data = 0xFFFC4DF300000000LLU; - setBitField(&data, 0x2, 11, 5); - result = getBitField(data, 11, 5, false); - fail_unless(result == 0x2, - "Field set in 0x%llx%llx%llx%llx was 0x%llx instead of 0x%llx", data, result, - 0x2); -} -END_TEST - -START_TEST(test_nth_byte) -{ - uint64_t data = 0x00000000F34DFCFF; - uint8_t result = nthByte(data, 0); - uint8_t expected = 0x0; - ck_assert_int_eq(result, expected); - - result = nthByte(data, 4); - expected = 0xF3; - ck_assert_int_eq(result, expected); - - result = nthByte(data, 5); - expected = 0x4D; - ck_assert_int_eq(result, expected); - - result = nthByte(data, 6); - expected = 0xFC; - ck_assert_int_eq(result, expected); - - result = nthByte(data, 7); - expected = 0xFF; - ck_assert_int_eq(result, expected); -} -END_TEST - START_TEST (test_get_byte) { uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; - uint8_t result = getByte(0, data, sizeof(data)); + uint8_t result = getByte(data, sizeof(data), 0); ck_assert_int_eq(result, 0x12); - result = getByte(3, data, sizeof(data)); + result = getByte(data, sizeof(data), 3); ck_assert_int_eq(result, 0x78); } END_TEST @@ -203,11 +15,11 @@ END_TEST START_TEST (test_get_nibble) { uint8_t data[4] = {0x12, 0x34, 0x56, 0x78}; - uint8_t result = getNibble(0, data, sizeof(data)); + uint8_t result = getNibble(data, sizeof(data), 0); ck_assert_int_eq(result, 0x1); - result = getNibble(1, data, sizeof(data)); + result = getNibble(data, sizeof(data), 1); ck_assert_int_eq(result, 0x2); - result = getNibble(2, data, sizeof(data)); + result = getNibble(data, sizeof(data), 2); ck_assert_int_eq(result, 0x3); } END_TEST @@ -243,20 +55,6 @@ END_TEST Suite* bitfieldSuite(void) { Suite* s = suite_create("bitfield"); TCase *tc_core = tcase_create("core"); - tcase_add_test(tc_core, test_large_bitmask); - tcase_add_test(tc_core, test_one_bit); - tcase_add_test(tc_core, test_one_bit_not_swapped); - tcase_add_test(tc_core, test_one_byte); - tcase_add_test(tc_core, test_16_bit_parse); - tcase_add_test(tc_core, test_32_bit_parse); - tcase_add_test(tc_core, test_multi_byte); - tcase_add_test(tc_core, test_get_multi_byte); - tcase_add_test(tc_core, test_get_off_byte_boundary); - tcase_add_test(tc_core, test_set_field); - tcase_add_test(tc_core, test_set_doesnt_clobber_existing_data); - tcase_add_test(tc_core, test_set_off_byte_boundary); - tcase_add_test(tc_core, test_set_odd_number_of_bits); - tcase_add_test(tc_core, test_nth_byte); tcase_add_test(tc_core, test_get_byte); tcase_add_test(tc_core, test_get_nibble); tcase_add_test(tc_core, test_get_bits);