f776595cc1
From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some exceptions, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one (in those files which will be under GPL 3 with exceptions) Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/QCoreApplication>
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#include <QtTest/QtTest>
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#include <QDebug>
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class tst_float: public QObject
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{
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Q_OBJECT
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private slots:
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void floatComparisons() const;
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void floatComparisons_data() const;
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void compareFloatTests() const;
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void compareFloatTests_data() const;
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};
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void tst_float::floatComparisons() const
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{
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QFETCH(float, operandLeft);
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QFETCH(float, operandRight);
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QCOMPARE(operandLeft, operandRight);
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}
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void tst_float::floatComparisons_data() const
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{
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QTest::addColumn<float>("operandLeft");
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QTest::addColumn<float>("operandRight");
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QTest::newRow("should SUCCEED 1")
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<< float(0)
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<< float(0);
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QTest::newRow("should FAIL 1")
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<< float(1.00000)
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<< float(3.00000);
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QTest::newRow("should FAIL 2")
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<< float(1.00000e-7f)
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<< float(3.00000e-7f);
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// QCOMPARE for floats uses qFuzzyCompare(), which succeeds if the numbers
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// differ by no more than 1/100,000th of the smaller value. Thus
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// QCOMPARE(99998, 99999) should fail, while QCOMPARE(100001, 100002)
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// should pass.
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QTest::newRow("should FAIL 3")
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<< float(99998)
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<< float(99999);
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QTest::newRow("should SUCCEED 2")
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<< float(100001)
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<< float(100002);
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}
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void tst_float::compareFloatTests() const
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{
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QFETCH(float, t1);
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// Create two more values
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// t2 differs from t1 by 1 ppm (part per million)
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// t3 differs from t1 by 200%
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// we should consider that t1 == t2 and t1 != t3
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const float t2 = t1 + (t1 / 1e6);
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const float t3 = 3 * t1;
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QCOMPARE(t1, t2);
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/* Should FAIL. */
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QCOMPARE(t1, t3);
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}
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void tst_float::compareFloatTests_data() const
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{
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QTest::addColumn<float>("t1");
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QTest::newRow("1e0") << 1e0f;
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QTest::newRow("1e-7") << 1e-7f;
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QTest::newRow("1e+7") << 1e+7f;
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}
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QTEST_MAIN(tst_float)
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#include "tst_float.moc"
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