xz-archive/tests/test_check.c

///////////////////////////////////////////////////////////////////////////////
//
/// \file       test_check.c
/// \brief      Tests integrity checks
///
/// \todo       Add SHA256
//
//  Copyright (C) 2007 Lasse Collin
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
///////////////////////////////////////////////////////////////////////////////

#include "tests.h"


static const uint8_t test_string[9] = "123456789";
static const uint8_t test_unaligned[12] = "xxx123456789";


static bool
test_crc32(void)
{
	static const uint32_t test_vector = 0xCBF43926;

	// Test 1
	uint32_t crc = lzma_crc32(test_string, sizeof(test_string), 0);
	if (crc != test_vector)
		return true;

	// Test 2
	crc = lzma_crc32(test_unaligned + 3, sizeof(test_string), 0);
	if (crc != test_vector)
		return true;

	// Test 3
	crc = 0;
	for (size_t i = 0; i < sizeof(test_string); ++i)
		crc = lzma_crc32(test_string + i, 1, crc);
	if (crc != test_vector)
		return true;

	return false;
}


static bool
test_crc64(void)
{
	static const uint64_t test_vector = 0x995DC9BBDF1939FA;

	// Test 1
	uint64_t crc = lzma_crc64(test_string, sizeof(test_string), 0);
	if (crc != test_vector)
		return true;

	// Test 2
	crc = lzma_crc64(test_unaligned + 3, sizeof(test_string), 0);
	if (crc != test_vector)
		return true;

	// Test 3
	crc = 0;
	for (size_t i = 0; i < sizeof(test_string); ++i)
		crc = lzma_crc64(test_string + i, 1, crc);
	if (crc != test_vector)
		return true;

	return false;
}


int
main(void)
{
	lzma_init_check();

	bool error = false;

	error |= test_crc32();
	error |= test_crc64();

	return error ? 1 : 0;
}