diff options
| -rw-r--r-- | lib/sbi/tests/sbi_bitmap_test.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/sbi/tests/sbi_bitmap_test.c b/lib/sbi/tests/sbi_bitmap_test.c index d2c35996..b6586fe1 100644 --- a/lib/sbi/tests/sbi_bitmap_test.c +++ b/lib/sbi/tests/sbi_bitmap_test.c @@ -92,10 +92,39 @@ static void bitmap_xor_test(struct sbiunit_test_case *test) SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE); } +static void bitmap_empty_test(struct sbiunit_test_case *test) +{ + unsigned long res[DATA_SIZE]; + + /* All zeros = empty */ + SBIUNIT_EXPECT_EQ(test, bitmap_empty(data_zero, DATA_BIT_SIZE), true); + + /* Non-zero data = not empty */ + SBIUNIT_EXPECT_EQ(test, bitmap_empty(data_a, DATA_BIT_SIZE), false); + SBIUNIT_EXPECT_EQ(test, bitmap_empty(data_b, DATA_BIT_SIZE), false); + + /* bitmap_zero creates empty bitmap */ + bitmap_zero(res, DATA_BIT_SIZE); + SBIUNIT_EXPECT_EQ(test, bitmap_empty(res, DATA_BIT_SIZE), true); + + /* bitmap_fill creates non-empty bitmap */ + bitmap_fill(res, DATA_BIT_SIZE); + SBIUNIT_EXPECT_EQ(test, bitmap_empty(res, DATA_BIT_SIZE), false); + + /* Single bit set = not empty */ + bitmap_zero(res, DATA_BIT_SIZE); + bitmap_set(res, 0, 1); + SBIUNIT_EXPECT_EQ(test, bitmap_empty(res, DATA_BIT_SIZE), false); + + /* Zero nbits = empty */ + SBIUNIT_EXPECT_EQ(test, bitmap_empty(data_a, 0), true); +} + static struct sbiunit_test_case bitmap_test_cases[] = { SBIUNIT_TEST_CASE(bitmap_and_test), SBIUNIT_TEST_CASE(bitmap_or_test), SBIUNIT_TEST_CASE(bitmap_xor_test), + SBIUNIT_TEST_CASE(bitmap_empty_test), SBIUNIT_END_CASE, }; |