From dc44b86a6e258e4e5fe606c6a5072170e7bc3313 Mon Sep 17 00:00:00 2001 From: Holger Ihrig Date: Wed, 24 Aug 2011 12:13:20 +0200 Subject: Moving relevant tests to corelib/global Task-number: QTBUG-21066 Change-Id: I011e601f599e11365c76598631a443b82ab9fb30 Reviewed-on: http://codereview.qt.nokia.com/3487 Reviewed-by: Qt Sanity Bot Reviewed-by: Rohan McGovern Reviewed-by: Sergio Ahumada Reviewed-by: Jason McDonald --- .../auto/corelib/global/qnumeric/tst_qnumeric.cpp | 124 +++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp (limited to 'tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp') diff --git a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp new file mode 100644 index 0000000000..8eb4e468a1 --- /dev/null +++ b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include +#include + +#include + +class tst_QNumeric: public QObject +{ + Q_OBJECT + +private slots: + void fuzzyCompare_data(); + void fuzzyCompare(); + void qNan(); +}; + +void tst_QNumeric::fuzzyCompare_data() +{ + QTest::addColumn("val1"); + QTest::addColumn("val2"); + QTest::addColumn("isEqual"); + + QTest::newRow("zero") << 0.0 << 0.0 << true; + QTest::newRow("ten") << 10.0 << 10.0 << true; + QTest::newRow("large") << 1000000000.0 << 1000000000.0 << true; + QTest::newRow("small") << 0.00000000001 << 0.00000000001 << true; + QTest::newRow("eps") << 10.000000000000001 << 10.00000000000002 << true; + QTest::newRow("eps2") << 10.000000000000001 << 10.000000000000009 << true; + + QTest::newRow("mis1") << 0.0 << 1.0 << false; + QTest::newRow("mis2") << 0.0 << 10000000.0 << false; + QTest::newRow("mis3") << 0.0 << 0.000000001 << false; + QTest::newRow("mis4") << 100000000.0 << 0.000000001 << false; + QTest::newRow("mis4") << 0.0000000001 << 0.000000001 << false; +} + +void tst_QNumeric::fuzzyCompare() +{ + QFETCH(double, val1); + QFETCH(double, val2); + QFETCH(bool, isEqual); + + QCOMPARE(::qFuzzyCompare(val1, val2), isEqual); + QCOMPARE(::qFuzzyCompare(val2, val1), isEqual); + QCOMPARE(::qFuzzyCompare(-val1, -val2), isEqual); + QCOMPARE(::qFuzzyCompare(-val2, -val1), isEqual); +} + +void tst_QNumeric::qNan() +{ + double nan = qQNaN(); +#if defined( __INTEL_COMPILER) + QCOMPARE((0 > nan), false); + QCOMPARE((0 < nan), false); + QSKIP("This fails due to a bug in the Intel Compiler", SkipAll); +#else + if (0 > nan) + QFAIL("compiler thinks 0 > nan"); + +# if defined(Q_CC_DIAB) + QWARN("!(0 < nan) would fail due to a bug in dcc"); +# else + if (0 < nan) + QFAIL("compiler thinks 0 < nan"); +# endif +#endif + QVERIFY(qIsNaN(nan)); + QVERIFY(qIsNaN(nan + 1)); + QVERIFY(qIsNaN(-nan)); + double inf = qInf(); + QVERIFY(inf > 0); + QVERIFY(-inf < 0); + QVERIFY(qIsInf(inf)); + QVERIFY(qIsInf(-inf)); + QVERIFY(qIsInf(2*inf)); + QCOMPARE(1/inf, 0.0); + QVERIFY(qIsNaN(0*nan)); + QVERIFY(qIsNaN(0*inf)); + QVERIFY(qFuzzyCompare(1/inf, 0.0)); +} + +QTEST_APPLESS_MAIN(tst_QNumeric) +#include "tst_qnumeric.moc" -- cgit v1.2.3