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tests/unittests: add test for bitfield operations

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This commit is contained in:
Benjamin Valentin 2022-02-26 14:15:05 +01:00 committed by Benjamin Valentin
parent d406f12028
commit acbeb527ff
1 changed files with 26 additions and 0 deletions
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26
tests/unittests/tests-bitfield/tests-bitfield.c
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@ -197,6 +197,31 @@ static void test_bf_get_unset_lastbyte(void)
TEST_ASSERT_EQUAL_INT(39, res);
}
static void test_bf_ops(void)
{
const uint8_t zero[3] = {0};
const uint8_t set[3] = { 0xFF, 0xFF, 0xFF };
uint8_t a[3] = { 0xAA, 0x55, 0xF0 };
uint8_t b[3] = { 0x55, 0xAA, 0x0F };
uint8_t c[3];
bf_or(c, a, b, 24);
TEST_ASSERT_EQUAL_INT(0, memcmp(c, set, sizeof(c)));
bf_inv(c, c, 24);
TEST_ASSERT_EQUAL_INT(0, memcmp(c, zero, sizeof(c)));
bf_and(c, a, b, 24);
TEST_ASSERT_EQUAL_INT(0, memcmp(c, zero, sizeof(c)));
bf_inv(c, c, 24);
TEST_ASSERT_EQUAL_INT(0, memcmp(c, set, sizeof(c)));
bf_xor(c, c, a, 24);
TEST_ASSERT_EQUAL_INT(0, memcmp(c, b, sizeof(c)));
}
Test *tests_bitfield_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
@ -208,6 +233,7 @@ Test *tests_bitfield_tests(void)
new_TestFixture(test_bf_get_unset_firstbyte),
new_TestFixture(test_bf_get_unset_middle),
new_TestFixture(test_bf_get_unset_lastbyte),
new_TestFixture(test_bf_ops),
};
EMB_UNIT_TESTCALLER(bitfield_tests, NULL, NULL, fixtures);