X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=tests%2F8byte_tests.c;h=5ebb0db0b918639e14c5fe1514338dfeccd22718;hb=6f3a81ed8287357b54aad16bff27495c6eaca6df;hp=140c4efb1bcf35217c9db64d30ecf166008b3230;hpb=6ce03a4f1b229e605da08b073fad6f7c0fe8bf10;p=apps%2Flow-level-can-service.git diff --git a/tests/8byte_tests.c b/tests/8byte_tests.c index 140c4ef..5ebb0db 100644 --- a/tests/8byte_tests.c +++ b/tests/8byte_tests.c @@ -4,9 +4,6 @@ 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); } @@ -15,7 +12,7 @@ END_TEST START_TEST (test_one_bit_not_swapped) { uint64_t data = 0x80; - uint64_t result = getBitField(data, 0, 1, false); + uint64_t result = eightbyte_get_bit_field(data, 0, 1, false); fail_if(result == 1); } END_TEST @@ -23,7 +20,7 @@ END_TEST START_TEST (test_one_bit) { uint64_t data = 0x8000000000000000; - uint64_t result = getBitField(data, 0, 1, false); + uint64_t result = eightbyte_get_bit_field(data, 0, 1, false); fail_unless(result == 0x1, "First bit in 0x%llx was 0x%llx instead of 0x1", data, result); } @@ -32,7 +29,7 @@ END_TEST START_TEST (test_32_bit_parse) { uint64_t data = 0x0402574d555a0401; - uint64_t result = getBitField(data, 16, 32, false); + uint64_t result = eightbyte_get_bit_field(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, @@ -43,7 +40,7 @@ END_TEST START_TEST (test_16_bit_parse) { uint64_t data = 0xF34DFCFF00000000; - uint64_t result = getBitField(data, 16, 16, false); + uint64_t result = eightbyte_get_bit_field(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, @@ -54,13 +51,13 @@ END_TEST START_TEST (test_one_byte) { uint64_t data = 0xFA00000000000000; - uint64_t result = getBitField(data, 0, 4, false); + uint64_t result = eightbyte_get_bit_field(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); + "First nibble in 0x%llx was 0x%llx instead of 0xF", data, result); + result = eightbyte_get_bit_field(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); + "Second nibble in 0x%llx was 0x%llx instead of 0xA", data, result); + result = eightbyte_get_bit_field(data, 0, 8, false); fail_unless(result == 0xFA, "All bits in 0x%llx were 0x%llx instead of 0x%llx", data, result, data); } @@ -69,19 +66,19 @@ END_TEST START_TEST (test_multi_byte) { uint64_t data = 0x12FA000000000000; - uint64_t result = getBitField(data, 0, 4, false); + uint64_t result = eightbyte_get_bit_field(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); + result = eightbyte_get_bit_field(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); + result = eightbyte_get_bit_field(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); + result = eightbyte_get_bit_field(data, 12, 4, false); fail_unless(result == 0xA, "Second 4 bits in 0x%llx was 0x%llx instead of 0x2", (data >> 48) % 0xF, result); @@ -91,7 +88,7 @@ END_TEST START_TEST (test_get_multi_byte) { uint64_t data = 0x12FA000000000000; - uint64_t result = getBitField(data, 0, 9, false); + uint64_t result = eightbyte_get_bit_field(data, 0, 9, false); ck_assert_int_eq(result, 0x25); } END_TEST @@ -99,24 +96,31 @@ END_TEST START_TEST (test_get_off_byte_boundary) { uint64_t data = 0x000012FA00000000; - uint64_t result = getBitField(data, 12, 8, false); + uint64_t result = eightbyte_get_bit_field(data, 12, 8, false); ck_assert_int_eq(result, 0x01); } END_TEST +START_TEST (test_set_wont_fit) +{ + uint64_t data = 0; + fail_if(set_bit_field(&data, 100, 0, 1)); +} +END_TEST + START_TEST (test_set_field) { uint64_t data = 0; - setBitField(&data, 1, 0, 1); - uint64_t result = getBitField(data, 0, 1, false); + fail_unless(set_bit_field(&data, 1, 0, 1)); + uint64_t result = eightbyte_get_bit_field(data, 0, 1, false); ck_assert_int_eq(result, 0x1); data = 0; - setBitField(&data, 1, 1, 1); - result = getBitField(data, 1, 1, false); + fail_unless(set_bit_field(&data, 1, 1, 1)); + result = eightbyte_get_bit_field(data, 1, 1, false); ck_assert_int_eq(result, 0x1); data = 0; - setBitField(&data, 0xf, 3, 4); - result = getBitField(data, 3, 4, false); + fail_unless(set_bit_field(&data, 0xf, 3, 4)); + result = eightbyte_get_bit_field(data, 3, 4, false); ck_assert_int_eq(result, 0xf); } END_TEST @@ -124,14 +128,14 @@ 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(set_bit_field(&data, 0x4fc8, 16, 16)); + uint64_t result = eightbyte_get_bit_field(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(set_bit_field(&data, 1, 21, 1)); fail_unless(data == 0x8000040000000000LLU, "Expected combined value 0x8000040000000000 but got 0x%llx%llx", data >> 32, data); @@ -141,8 +145,8 @@ 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); + fail_unless(set_bit_field(&data, 0x12, 12, 8)); + uint64_t result = eightbyte_get_bit_field(data, 12, 12, false); ck_assert_int_eq(result,0x12d); } END_TEST @@ -150,46 +154,75 @@ 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(set_bit_field(&data, 0x12, 11, 5)); + uint64_t result = eightbyte_get_bit_field(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(set_bit_field(&data, 0x2, 11, 5)); + result = eightbyte_get_bit_field(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) +START_TEST(test_eightbyte_get_byte) { uint64_t data = 0x00000000F34DFCFF; - uint8_t result = nthByte(data, 0); + uint8_t result = eightbyte_get_byte(data, 0, false); uint8_t expected = 0x0; ck_assert_int_eq(result, expected); - result = nthByte(data, 4); + result = eightbyte_get_byte(data, 4, false); expected = 0xF3; ck_assert_int_eq(result, expected); - result = nthByte(data, 5); + result = eightbyte_get_byte(data, 5, false); expected = 0x4D; ck_assert_int_eq(result, expected); - result = nthByte(data, 6); + result = eightbyte_get_byte(data, 6, false); expected = 0xFC; ck_assert_int_eq(result, expected); - result = nthByte(data, 7); + result = eightbyte_get_byte(data, 7, false); expected = 0xFF; ck_assert_int_eq(result, expected); } END_TEST +START_TEST(test_eightbyte_get_nibble) +{ + uint64_t data = 0x00000000F34DFCFF; + uint8_t result = eightbyte_get_nibble(data, 0, false); + uint8_t expected = 0x0; + ck_assert_int_eq(result, expected); + + result = eightbyte_get_nibble(data, 2, false); + expected = 0x0; + ck_assert_int_eq(result, expected); + + result = eightbyte_get_nibble(data, 8, false); + expected = 0xF; + ck_assert_int_eq(result, expected); + + result = eightbyte_get_nibble(data, 9, false); + expected = 0x3; + ck_assert_int_eq(result, expected); + + result = eightbyte_get_nibble(data, 10, false); + expected = 0x4; + ck_assert_int_eq(result, expected); + + result = eightbyte_get_nibble(data, 13, false); + expected = 0xC; + ck_assert_int_eq(result, expected); +} +END_TEST + Suite* bitfieldSuite(void) { Suite* s = suite_create("bitfield"); TCase *tc_core = tcase_create("core"); @@ -202,11 +235,13 @@ Suite* bitfieldSuite(void) { 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_wont_fit); 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_eightbyte_get_nibble); + tcase_add_test(tc_core, test_eightbyte_get_byte); suite_add_tcase(s, tc_core); return s;