Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://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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** $QT_BEGIN_LICENSE:LGPL$
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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 http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.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 <QtTest/QtTest>
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class tst_QFlags: public QObject
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{
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Q_OBJECT
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private slots:
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void testFlag() const;
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void testFlagZeroFlag() const;
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void testFlagMultiBits() const;
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void constExpr();
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};
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void tst_QFlags::testFlag() const
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{
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Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
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QVERIFY(btn.testFlag(Qt::LeftButton));
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QVERIFY(!btn.testFlag(Qt::MidButton));
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btn = 0;
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QVERIFY(!btn.testFlag(Qt::LeftButton));
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}
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void tst_QFlags::testFlagZeroFlag() const
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{
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{
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Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
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/* Qt::NoButton has the value 0. */
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QVERIFY(!btn.testFlag(Qt::NoButton));
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}
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{
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/* A zero enum set should test true with zero. */
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QVERIFY(Qt::MouseButtons().testFlag(Qt::NoButton));
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}
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{
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Qt::MouseButtons btn = Qt::NoButton;
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QVERIFY(btn.testFlag(Qt::NoButton));
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}
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}
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void tst_QFlags::testFlagMultiBits() const
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{
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/* Qt::Window is 0x00000001
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* Qt::Dialog is 0x00000002 | Window
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*/
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{
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const Qt::WindowFlags onlyWindow(Qt::Window);
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QVERIFY(!onlyWindow.testFlag(Qt::Dialog));
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}
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{
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const Qt::WindowFlags hasDialog(Qt::Dialog);
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QVERIFY(hasDialog.testFlag(Qt::Dialog));
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}
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}
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template <int N, typename T> bool verifyConstExpr(T n) { return n == N; }
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void tst_QFlags::constExpr()
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{
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#ifdef Q_COMPILER_CONSTEXPR
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Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
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switch (btn) {
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case Qt::LeftButton: QVERIFY(false); break;
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case Qt::RightButton: QVERIFY(false); break;
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case Qt::LeftButton | Qt::RightButton: QVERIFY(true); break;
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default: QVERIFY(false);
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}
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QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) & Qt::LeftButton>(Qt::LeftButton));
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QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) & Qt::MiddleButton>(0));
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QVERIFY(verifyConstExpr<(Qt::LeftButton | Qt::RightButton) | Qt::MiddleButton>(Qt::LeftButton | Qt::RightButton | Qt::MiddleButton));
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QVERIFY(verifyConstExpr<~(Qt::LeftButton | Qt::RightButton)>(~(Qt::LeftButton | Qt::RightButton)));
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QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::LeftButton) ^ Qt::RightButton>(Qt::LeftButton ^ Qt::RightButton));
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QVERIFY(verifyConstExpr<Qt::MouseButtons(0)>(0));
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QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::RightButton) & 0xff>(Qt::RightButton));
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QVERIFY(verifyConstExpr<Qt::MouseButtons(Qt::RightButton) | 0xff>(0xff));
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QVERIFY(!verifyConstExpr<Qt::RightButton>(!Qt::MouseButtons(Qt::LeftButton)));
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#endif
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}
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QTEST_MAIN(tst_QFlags)
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#include "tst_qflags.moc"
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