#include <check.h>
#include <stdint.h>
#include <bitfield/bitfield.h>
+#include <bitfield/8byte.h>
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);
}
START_TEST (test_one_bit_not_swapped)
{
uint64_t data = 0x80;
- uint64_t result = get_bit_field(data, 0, 1, false);
+ uint64_t result = eightbyte_get_bitfield(data, 0, 1, false);
fail_if(result == 1);
}
END_TEST
START_TEST (test_one_bit)
{
uint64_t data = 0x8000000000000000;
- uint64_t result = get_bit_field(data, 0, 1, false);
+ uint64_t result = eightbyte_get_bitfield(data, 0, 1, false);
fail_unless(result == 0x1,
"First bit in 0x%llx was 0x%llx instead of 0x1", data, result);
}
START_TEST (test_32_bit_parse)
{
uint64_t data = 0x0402574d555a0401;
- uint64_t result = get_bit_field(data, 16, 32, false);
+ uint64_t result = eightbyte_get_bitfield(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,
START_TEST (test_16_bit_parse)
{
uint64_t data = 0xF34DFCFF00000000;
- uint64_t result = get_bit_field(data, 16, 16, false);
+ uint64_t result = eightbyte_get_bitfield(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,
START_TEST (test_one_byte)
{
uint64_t data = 0xFA00000000000000;
- uint64_t result = get_bit_field(data, 0, 4, false);
+ uint64_t result = eightbyte_get_bitfield(data, 0, 4, false);
fail_unless(result == 0xF,
- "First 4 bits in 0x%llx was 0x%llx instead of 0xF", data, result);
- result = get_bit_field(data, 4, 4, false);
+ "First nibble in 0x%llx was 0x%llx instead of 0xF", data, result);
+ result = eightbyte_get_bitfield(data, 4, 4, false);
fail_unless(result == 0xA,
- "First 4 bits in 0x%llx was 0x%llx instead of 0xA", data, result);
- result = get_bit_field(data, 0, 8, false);
+ "Second nibble in 0x%llx was 0x%llx instead of 0xA", data, result);
+ result = eightbyte_get_bitfield(data, 0, 8, false);
fail_unless(result == 0xFA,
"All bits in 0x%llx were 0x%llx instead of 0x%llx", data, result, data);
}
START_TEST (test_multi_byte)
{
uint64_t data = 0x12FA000000000000;
- uint64_t result = get_bit_field(data, 0, 4, false);
+ uint64_t result = eightbyte_get_bitfield(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 = get_bit_field(data, 4, 4, false);
+ result = eightbyte_get_bitfield(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 = get_bit_field(data, 8, 4, false);
+ result = eightbyte_get_bitfield(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 = get_bit_field(data, 12, 4, false);
+ result = eightbyte_get_bitfield(data, 12, 4, false);
fail_unless(result == 0xA,
"Second 4 bits in 0x%llx was 0x%llx instead of 0x2", (data >> 48) % 0xF,
result);
START_TEST (test_get_multi_byte)
{
uint64_t data = 0x12FA000000000000;
- uint64_t result = get_bit_field(data, 0, 9, false);
+ uint64_t result = eightbyte_get_bitfield(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 = get_bit_field(data, 12, 8, false);
+ uint64_t result = eightbyte_get_bitfield(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));
+ fail_if(eightbyte_set_bitfield(100, 0, 1, &data));
}
END_TEST
START_TEST (test_set_field)
{
uint64_t data = 0;
- fail_unless(set_bit_field(&data, 1, 0, 1));
- uint64_t result = get_bit_field(data, 0, 1, false);
+ fail_unless(eightbyte_set_bitfield(1, 0, 1, &data));
+ uint64_t result = eightbyte_get_bitfield(data, 0, 1, false);
ck_assert_int_eq(result, 0x1);
data = 0;
- fail_unless(set_bit_field(&data, 1, 1, 1));
- result = get_bit_field(data, 1, 1, false);
+ fail_unless(eightbyte_set_bitfield(1, 1, 1, &data));
+ result = eightbyte_get_bitfield(data, 1, 1, false);
ck_assert_int_eq(result, 0x1);
data = 0;
- fail_unless(set_bit_field(&data, 0xf, 3, 4));
- result = get_bit_field(data, 3, 4, false);
+ fail_unless(eightbyte_set_bitfield(0xf, 3, 4, &data));
+ result = eightbyte_get_bitfield(data, 3, 4, false);
ck_assert_int_eq(result, 0xf);
}
END_TEST
START_TEST (test_set_doesnt_clobber_existing_data)
{
uint64_t data = 0xFFFC4DF300000000;
- fail_unless(set_bit_field(&data, 0x4fc8, 16, 16));
- uint64_t result = get_bit_field(data, 16, 16, false);
+ fail_unless(eightbyte_set_bitfield(0x4fc8, 16, 16, &data));
+ uint64_t result = eightbyte_get_bitfield(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;
- fail_unless(set_bit_field(&data, 1, 21, 1));
+ fail_unless(eightbyte_set_bitfield(1, 21, 1, &data));
fail_unless(data == 0x8000040000000000LLU,
"Expected combined value 0x8000040000000000 but got 0x%llx%llx",
data >> 32, data);
START_TEST (test_set_off_byte_boundary)
{
uint64_t data = 0xFFFC4DF300000000;
- fail_unless(set_bit_field(&data, 0x12, 12, 8));
- uint64_t result = get_bit_field(data, 12, 12, false);
+ fail_unless(eightbyte_set_bitfield(0x12, 12, 8, &data));
+ uint64_t result = eightbyte_get_bitfield(data, 12, 12, false);
ck_assert_int_eq(result,0x12d);
}
END_TEST
START_TEST (test_set_odd_number_of_bits)
{
uint64_t data = 0xFFFC4DF300000000LLU;
- fail_unless(set_bit_field(&data, 0x12, 11, 5));
- uint64_t result = get_bit_field(data, 11, 5, false);
+ fail_unless(eightbyte_set_bitfield(0x12, 11, 5, &data));
+ uint64_t result = eightbyte_get_bitfield(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;
- fail_unless(set_bit_field(&data, 0x2, 11, 5));
- result = get_bit_field(data, 11, 5, false);
+ fail_unless(eightbyte_set_bitfield(0x2, 11, 5, &data));
+ result = eightbyte_get_bitfield(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 = nth_byte(data, 0);
+ uint8_t result = eightbyte_get_byte(data, 0, false);
uint8_t expected = 0x0;
ck_assert_int_eq(result, expected);
- result = nth_byte(data, 4);
+ result = eightbyte_get_byte(data, 4, false);
expected = 0xF3;
ck_assert_int_eq(result, expected);
- result = nth_byte(data, 5);
+ result = eightbyte_get_byte(data, 5, false);
expected = 0x4D;
ck_assert_int_eq(result, expected);
- result = nth_byte(data, 6);
+ result = eightbyte_get_byte(data, 6, false);
expected = 0xFC;
ck_assert_int_eq(result, expected);
- result = nth_byte(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");
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;
Code Review / apps / agl-service-can-low-level.git / blobdiff