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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /tools/qa/cppunit/test_bigint.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--tools/qa/cppunit/test_bigint.cxx97
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diff --git a/tools/qa/cppunit/test_bigint.cxx b/tools/qa/cppunit/test_bigint.cxx
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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 <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.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.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 sal_Int32
+ {
+ BigInt bi(static_cast<sal_Int64>(std::numeric_limits<sal_Int32>::max()));
+ CPPUNIT_ASSERT(!bi.IsZero());
+ CPPUNIT_ASSERT(!bi.IsNeg());
+ CPPUNIT_ASSERT(bi.IsLong());
+ CPPUNIT_ASSERT_EQUAL(std::numeric_limits<sal_Int32>::max(), static_cast<sal_Int32>(bi));
+ }
+
+ // negative number just fitting to sal_Int32
+ {
+ BigInt bi(static_cast<sal_Int64>(std::numeric_limits<sal_Int32>::min()));
+ CPPUNIT_ASSERT(!bi.IsZero());
+ CPPUNIT_ASSERT(bi.IsNeg());
+ CPPUNIT_ASSERT(bi.IsLong());
+ CPPUNIT_ASSERT_EQUAL(std::numeric_limits<sal_Int32>::min(), static_cast<sal_Int32>(bi));
+ }
+
+ // positive number not fitting to sal_Int32
+ {
+ BigInt bi(static_cast<sal_Int64>(std::numeric_limits<sal_Int32>::max()) + 1);
+ CPPUNIT_ASSERT(!bi.IsZero());
+ CPPUNIT_ASSERT(!bi.IsNeg());
+ CPPUNIT_ASSERT(!bi.IsLong());
+ }
+
+ // negative number not fitting to sal_Int32
+ {
+ BigInt bi(static_cast<sal_Int64>(std::numeric_limits<sal_Int32>::min()) - 1);
+ 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: */