mirror of https://git.tukaani.org/xz.git
Tests: Improve the CRC32 test
A similar one was already there for CRC64 but nowadays also CRC32 has a CLMUL implementation, so it's good to test it better too.
This commit is contained in:
parent
c7164b1927
commit
89e9f12e03
|
@ -49,7 +49,7 @@ static uint8_t *sha256_xz_data;
|
|||
#endif
|
||||
|
||||
|
||||
#ifdef HAVE_CHECK_CRC64
|
||||
#if defined(HAVE_CHECK_CRC32) || defined(HAVE_CHECK_CRC64)
|
||||
static const uint8_t *
|
||||
get_random256(uint32_t *seed)
|
||||
{
|
||||
|
@ -86,6 +86,16 @@ test_lzma_crc32(void)
|
|||
for (size_t i = 0; i < sizeof(test_string); ++i)
|
||||
crc = lzma_crc32(test_string + i, 1, crc);
|
||||
assert_uint_eq(crc, test_vector);
|
||||
|
||||
// Test 4: Test combination of different start and end alignments
|
||||
// and different buffer lengths.
|
||||
uint32_t seed = 23;
|
||||
crc = 0x760CD032; // Random initial value
|
||||
for (size_t start = 0; start < 32; ++start)
|
||||
for (size_t size = 1; size < 256 - 32; ++size)
|
||||
crc = lzma_crc32(get_random256(&seed), size, crc);
|
||||
|
||||
assert_uint_eq(crc, 0x924E35FD);
|
||||
}
|
||||
|
||||
|
||||
|
@ -115,9 +125,8 @@ test_lzma_crc64(void)
|
|||
crc = lzma_crc64(test_string + i, 1, crc);
|
||||
assert_uint_eq(crc, test_vector);
|
||||
|
||||
// Test 4: The CLMUL implementation works on 16-byte chunks.
|
||||
// Test combination of different start and end alignments
|
||||
// and also short buffer lengths where special handling is needed.
|
||||
// Test 4: Test combination of different start and end alignments
|
||||
// and different buffer lengths.
|
||||
uint32_t seed = 29;
|
||||
crc = 0x96E30D5184B7FA2C; // Random initial value
|
||||
for (size_t start = 0; start < 32; ++start)
|
||||
|
|
Loading…
Reference in New Issue