3 #include <bitfield/bitfield.h>
5 START_TEST (test_get_byte)
7 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
8 uint8_t result = get_byte(data, sizeof(data), 0);
9 ck_assert_int_eq(result, 0x12);
10 result = get_byte(data, sizeof(data), 3);
11 ck_assert_int_eq(result, 0x78);
15 START_TEST (test_set_nibble)
17 uint8_t data[4] = {0};
18 fail_unless(set_nibble(0, 0x1, data, sizeof(data)));
19 fail_unless(set_nibble(1, 0x2, data, sizeof(data)));
20 fail_unless(set_nibble(2, 0x3, data, sizeof(data)));
21 fail_unless(set_nibble(3, 0x4, data, sizeof(data)));
22 fail_unless(set_nibble(4, 0x5, data, sizeof(data)));
23 ck_assert_int_eq(data[0], 0x12);
24 ck_assert_int_eq(data[1], 0x34);
25 ck_assert_int_eq(data[2], 0x50);
29 START_TEST (test_get_nibble)
31 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
32 uint8_t result = get_nibble(data, sizeof(data), 0);
33 ck_assert_int_eq(result, 0x1);
34 result = get_nibble(data, sizeof(data), 1);
35 ck_assert_int_eq(result, 0x2);
36 result = get_nibble(data, sizeof(data), 2);
37 ck_assert_int_eq(result, 0x3);
41 START_TEST (test_get_bits_out_of_range)
43 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
45 fail_if(copy_bits_right_aligned(data, sizeof(data), 25, 16, result,
50 START_TEST (test_get_bits)
52 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
53 uint8_t result[4] = {0};
54 fail_unless(copy_bits_right_aligned(data, sizeof(data), 0, 16, result,
56 ck_assert_int_eq(result[2], 0x12);
57 ck_assert_int_eq(result[3], 0x34);
61 START_TEST (test_copy_bytes)
63 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
64 uint8_t result[4] = {0};
65 fail_unless(copy_bytes_right_aligned(data, sizeof(data), 1, 3, result,
67 ck_assert_int_eq(result[1], 0x34);
68 ck_assert_int_eq(result[2], 0x56);
69 ck_assert_int_eq(result[3], 0x78);
73 START_TEST (test_get_uneven_bits)
75 uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
76 uint8_t result[4] = {0};
77 fail_unless(copy_bits_right_aligned(data, sizeof(data), 4, 12, result,
79 ck_assert_int_eq(result[2], 0x2);
80 ck_assert_int_eq(result[3], 0x34);
84 Suite* bitfieldSuite(void) {
85 Suite* s = suite_create("bitfield");
86 TCase *tc_core = tcase_create("core");
87 tcase_add_test(tc_core, test_get_byte);
88 tcase_add_test(tc_core, test_get_nibble);
89 tcase_add_test(tc_core, test_set_nibble);
90 tcase_add_test(tc_core, test_get_bits);
91 tcase_add_test(tc_core, test_copy_bytes);
92 tcase_add_test(tc_core, test_get_bits_out_of_range);
93 tcase_add_test(tc_core, test_get_uneven_bits);
94 suite_add_tcase(s, tc_core);
101 Suite* s = bitfieldSuite();
102 SRunner *sr = srunner_create(s);
103 // Don't fork so we can actually use gdb
104 srunner_set_fork_status(sr, CK_NOFORK);
105 srunner_run_all(sr, CK_NORMAL);
106 numberFailed = srunner_ntests_failed(sr);
108 return (numberFailed == 0) ? 0 : 1;