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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /tools/qa/cppunit/test_bigint.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tools/qa/cppunit/test_bigint.cxx | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/tools/qa/cppunit/test_bigint.cxx b/tools/qa/cppunit/test_bigint.cxx new file mode 100644 index 000000000..ed3ab3cc3 --- /dev/null +++ b/tools/qa/cppunit/test_bigint.cxx @@ -0,0 +1,105 @@ +/* -*- 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 <cppunit/TestFixture.h> +#include <cppunit/extensions/HelperMacros.h> + +#include <tools/bigint.hxx> + +namespace tools +{ +class BigIntTest : public CppUnit::TestFixture +{ +public: + void testConstructionFromLongLong(); + + CPPUNIT_TEST_SUITE(BigIntTest); + CPPUNIT_TEST(testConstructionFromLongLong); + CPPUNIT_TEST_SUITE_END(); +}; + +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(static_cast<sal_Int32>(42), static_cast<sal_Int32>(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(static_cast<sal_Int32>(-42), static_cast<sal_Int32>(bi)); + } + +#if SAL_TYPES_SIZEOFLONG < SAL_TYPES_SIZEOFLONGLONG + // 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); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |