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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <limits>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <rtl/math.hxx>
#include <tools/bigint.hxx>
namespace tools
{
class BigIntTest : public CppUnit::TestFixture
{
public:
#if SAL_TYPES_SIZEOFLONG < SAL_TYPES_SIZEOFLONGLONG
void testConstructionFromLongLong();
#endif
CPPUNIT_TEST_SUITE(BigIntTest);
#if SAL_TYPES_SIZEOFLONG < SAL_TYPES_SIZEOFLONGLONG
CPPUNIT_TEST(testConstructionFromLongLong);
#endif
CPPUNIT_TEST_SUITE_END();
};
#if SAL_TYPES_SIZEOFLONG < SAL_TYPES_SIZEOFLONGLONG
void BigIntTest::testConstructionFromLongLong()
{
// small positive number
{
BigInt bi(static_cast<sal_Int64>(42));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(!bi.IsNeg());
CPPUNIT_ASSERT(bi.IsLong());
CPPUNIT_ASSERT_EQUAL(42L, static_cast<long>(bi));
}
// small negative number
{
BigInt bi(static_cast<sal_Int64>(-42));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(bi.IsNeg());
CPPUNIT_ASSERT(bi.IsLong());
CPPUNIT_ASSERT_EQUAL(-42L, static_cast<long>(bi));
}
// positive number just fitting to long
{
BigInt bi(static_cast<sal_Int64>(std::numeric_limits<long>::max()));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(!bi.IsNeg());
CPPUNIT_ASSERT(bi.IsLong());
CPPUNIT_ASSERT_EQUAL(std::numeric_limits<long>::max(), static_cast<long>(bi));
}
// negative number just fitting to long
{
BigInt bi(static_cast<sal_Int64>(std::numeric_limits<long>::min()));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(bi.IsNeg());
CPPUNIT_ASSERT(bi.IsLong());
CPPUNIT_ASSERT_EQUAL(std::numeric_limits<long>::min(), static_cast<long>(bi));
}
// positive number not fitting to long
{
BigInt bi(static_cast<sal_Int64>(std::numeric_limits<long>::max()) + static_cast<sal_Int64>(1));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(!bi.IsNeg());
CPPUNIT_ASSERT(!bi.IsLong());
}
// negative number not fitting to long
{
BigInt bi(static_cast<sal_Int64>(std::numeric_limits<long>::min()) - static_cast<sal_Int64>(1));
CPPUNIT_ASSERT(bi.IsSet());
CPPUNIT_ASSERT(!bi.IsZero());
CPPUNIT_ASSERT(bi.IsNeg());
CPPUNIT_ASSERT(!bi.IsLong());
}
}
#endif
CPPUNIT_TEST_SUITE_REGISTRATION(BigIntTest);
}
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