36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <qtest.h>
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#include <private/qquicktimeline_p_p.h>
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#include <limits>
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class tst_QQuickTimeLine : public QObject
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{
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Q_OBJECT
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private slots:
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void overflow();
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};
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void tst_QQuickTimeLine::overflow()
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{
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// Test ensures that time value used in QQuickTimeLine::accel methods is always positive.
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// On platforms where casting qreal value infinity to int yields a positive value this is
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// always the case and the test would fail. Strictly speaking, the cast is undefined behavior.
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if (static_cast<int>(qInf()) > 0)
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QSKIP("Test is not applicable on this platform");
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QQuickTimeLine timeline;
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QQuickTimeLineValue value;
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// overflow -> negative time -> assertion failure (QTBUG-35046)
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QCOMPARE(timeline.accel(value, std::numeric_limits<qreal>::max(), 0.0001f), -1);
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QCOMPARE(timeline.accel(value, std::numeric_limits<qreal>::max(), 0.0001f, 0.0001f), -1);
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QCOMPARE(timeline.accelDistance(value, 0.0001f, std::numeric_limits<qreal>::max()), -1);
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}
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QTEST_MAIN(tst_QQuickTimeLine)
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#include "tst_qquicktimeline.moc"
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