xz/tests/test_check.c

88 lines
2.1 KiB
C

///////////////////////////////////////////////////////////////////////////////
//
/// \file test_check.c
/// \brief Tests integrity checks
///
/// \todo Add SHA256
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tests.h"
// These must be specified as numbers so that the test works on EBCDIC
// systems too.
// static const uint8_t test_string[9] = "123456789";
// static const uint8_t test_unaligned[12] = "xxx123456789";
static const uint8_t test_string[9] = { 49, 50, 51, 52, 53, 54, 55, 56, 57 };
static const uint8_t test_unaligned[12]
= { 120, 120, 120, 49, 50, 51, 52, 53, 54, 55, 56, 57 };
static void
test_crc32(void)
{
// CRC32 is always enabled.
assert_true(lzma_check_is_supported(LZMA_CHECK_CRC32));
const uint32_t test_vector = 0xCBF43926;
// Test 1
assert_uint_eq(lzma_crc32(test_string, sizeof(test_string), 0),
test_vector);
// Test 2
assert_uint_eq(lzma_crc32(test_unaligned + 3, sizeof(test_string), 0),
test_vector);
// Test 3
uint32_t crc = 0;
for (size_t i = 0; i < sizeof(test_string); ++i)
crc = lzma_crc32(test_string + i, 1, crc);
assert_uint_eq(crc, test_vector);
}
static void
test_crc64(void)
{
// CRC64 can be disabled.
if (!lzma_check_is_supported(LZMA_CHECK_CRC64))
assert_skip("CRC64 support is disabled");
// If CRC64 is disabled then lzma_crc64() will be missing.
// Using an ifdef here avoids a linker error.
#ifdef HAVE_CHECK_CRC64
const uint64_t test_vector = 0x995DC9BBDF1939FA;
// Test 1
assert_uint_eq(lzma_crc64(test_string, sizeof(test_string), 0),
test_vector);
// Test 2
assert_uint_eq(lzma_crc64(test_unaligned + 3, sizeof(test_string), 0),
test_vector);
// Test 3
uint64_t crc = 0;
for (size_t i = 0; i < sizeof(test_string); ++i)
crc = lzma_crc64(test_string + i, 1, crc);
assert_uint_eq(crc, test_vector);
#endif
}
extern int
main(int argc, char **argv)
{
tuktest_start(argc, argv);
tuktest_run(test_crc32);
tuktest_run(test_crc64);
return tuktest_end();
}