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kwin/autotests/libkwineffects/timelinetest.cpp
Vlad Zagorodniy e02573263f [libkwineffects] Introduce timeline redirect modes 
Summary:
The redirect modes control behavior of the timeline when its direction
is changed at the start or target position. For example, consider the
following piece of code:

    TimeLine timeLine(1000ms, TimeLine::Forward);
    timeLine.setDirection(TimeLine::Backward);

What should happen when the direction of the timeline was changed to go
backward? Should the current value of the timeline go from 1 to 0, or
should the timeline stop its "execution"?

In the relaxed mode, the timeline will go from 1 to 0.
In the strict mode, the timeline will stop its execution.

Different effects may prefer different modes for source and target
positions. For example, most C++ effect would prefer relaxed mode for
source position, and strict mode for target position. On the other side,
scripted effects(AnimationEffect) would prefer strict mode for source
position, and relaxed mode for target position(because of set).

Reviewers: #kwin, graesslin

Reviewed By: #kwin, graesslin

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D16447
2018-11-17 13:43:39 +02:00

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2018 Vlad Zagorodniy <vladzzag@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include <kwineffects.h>
#include <QtTest>
using namespace std::chrono_literals;
// FIXME: Delete it in the future.
Q_DECLARE_METATYPE(std::chrono::milliseconds)
class TimeLineTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void testUpdateForward();
void testUpdateBackward();
void testUpdateFinished();
void testToggleDirection();
void testReset();
void testSetElapsed_data();
void testSetElapsed();
void testSetDuration();
void testSetDurationRetargeting();
void testSetDurationRetargetingSmallDuration();
void testRunning();
void testStrictRedirectSourceMode_data();
void testStrictRedirectSourceMode();
void testRelaxedRedirectSourceMode_data();
void testRelaxedRedirectSourceMode();
void testStrictRedirectTargetMode_data();
void testStrictRedirectTargetMode();
void testRelaxedRedirectTargetMode_data();
void testRelaxedRedirectTargetMode();
};
void TimeLineTest::testUpdateForward()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
// 0/1000
QCOMPARE(timeLine.value(), 0.0);
QVERIFY(!timeLine.done());
// 100/1000
timeLine.update(100ms);
QCOMPARE(timeLine.value(), 0.1);
QVERIFY(!timeLine.done());
// 400/1000
timeLine.update(300ms);
QCOMPARE(timeLine.value(), 0.4);
QVERIFY(!timeLine.done());
// 900/1000
timeLine.update(500ms);
QCOMPARE(timeLine.value(), 0.9);
QVERIFY(!timeLine.done());
// 1000/1000
timeLine.update(3000ms);
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(timeLine.done());
}
void TimeLineTest::testUpdateBackward()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Backward);
timeLine.setEasingCurve(QEasingCurve::Linear);
// 0/1000
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(!timeLine.done());
// 100/1000
timeLine.update(100ms);
QCOMPARE(timeLine.value(), 0.9);
QVERIFY(!timeLine.done());
// 400/1000
timeLine.update(300ms);
QCOMPARE(timeLine.value(), 0.6);
QVERIFY(!timeLine.done());
// 900/1000
timeLine.update(500ms);
QCOMPARE(timeLine.value(), 0.1);
QVERIFY(!timeLine.done());
// 1000/1000
timeLine.update(3000ms);
QCOMPARE(timeLine.value(), 0.0);
QVERIFY(timeLine.done());
}
void TimeLineTest::testUpdateFinished()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.update(1000ms);
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(timeLine.done());
timeLine.update(42ms);
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(timeLine.done());
}
void TimeLineTest::testToggleDirection()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
QCOMPARE(timeLine.value(), 0.0);
QVERIFY(!timeLine.done());
timeLine.update(600ms);
QCOMPARE(timeLine.value(), 0.6);
QVERIFY(!timeLine.done());
timeLine.toggleDirection();
QCOMPARE(timeLine.value(), 0.6);
QVERIFY(!timeLine.done());
timeLine.update(200ms);
QCOMPARE(timeLine.value(), 0.4);
QVERIFY(!timeLine.done());
timeLine.update(3000ms);
QCOMPARE(timeLine.value(), 0.0);
QVERIFY(timeLine.done());
}
void TimeLineTest::testReset()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.update(1000ms);
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(timeLine.done());
timeLine.reset();
QCOMPARE(timeLine.value(), 0.0);
QVERIFY(!timeLine.done());
}
void TimeLineTest::testSetElapsed_data()
{
QTest::addColumn<std::chrono::milliseconds>("duration");
QTest::addColumn<std::chrono::milliseconds>("elapsed");
QTest::addColumn<std::chrono::milliseconds>("expectedElapsed");
QTest::addColumn<bool>("expectedDone");
QTest::addColumn<bool>("initiallyDone");
QTest::newRow("Less than duration, not finished") << 1000ms << 300ms << 300ms << false << false;
QTest::newRow("Less than duration, finished") << 1000ms << 300ms << 300ms << false << true;
QTest::newRow("Greater than duration, not finished") << 1000ms << 3000ms << 1000ms << true << false;
QTest::newRow("Greater than duration, finished") << 1000ms << 3000ms << 1000ms << true << true;
QTest::newRow("Equal to duration, not finished") << 1000ms << 1000ms << 1000ms << true << false;
QTest::newRow("Equal to duration, finished") << 1000ms << 1000ms << 1000ms << true << true;
}
void TimeLineTest::testSetElapsed()
{
QFETCH(std::chrono::milliseconds, duration);
QFETCH(std::chrono::milliseconds, elapsed);
QFETCH(std::chrono::milliseconds, expectedElapsed);
QFETCH(bool, expectedDone);
QFETCH(bool, initiallyDone);
KWin::TimeLine timeLine(duration, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
if (initiallyDone) {
timeLine.update(duration);
QVERIFY(timeLine.done());
}
timeLine.setElapsed(elapsed);
QCOMPARE(timeLine.elapsed(), expectedElapsed);
QCOMPARE(timeLine.done(), expectedDone);
}
void TimeLineTest::testSetDuration()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
QCOMPARE(timeLine.duration(), 1000ms);
timeLine.setDuration(3000ms);
QCOMPARE(timeLine.duration(), 3000ms);
}
void TimeLineTest::testSetDurationRetargeting()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.update(500ms);
QCOMPARE(timeLine.value(), 0.5);
QVERIFY(!timeLine.done());
timeLine.setDuration(3000ms);
QCOMPARE(timeLine.value(), 0.5);
QVERIFY(!timeLine.done());
}
void TimeLineTest::testSetDurationRetargetingSmallDuration()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.update(999ms);
QCOMPARE(timeLine.value(), 0.999);
QVERIFY(!timeLine.done());
timeLine.setDuration(3ms);
QCOMPARE(timeLine.value(), 1.0);
QVERIFY(timeLine.done());
}
void TimeLineTest::testRunning()
{
KWin::TimeLine timeLine(1000ms, KWin::TimeLine::Forward);
timeLine.setEasingCurve(QEasingCurve::Linear);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
timeLine.update(100ms);
QVERIFY(timeLine.running());
QVERIFY(!timeLine.done());
timeLine.update(900ms);
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
}
void TimeLineTest::testStrictRedirectSourceMode_data()
{
QTest::addColumn<KWin::TimeLine::Direction>("initialDirection");
QTest::addColumn<qreal>("initialValue");
QTest::addColumn<KWin::TimeLine::Direction>("finalDirection");
QTest::addColumn<qreal>("finalValue");
QTest::newRow("forward -> backward") << KWin::TimeLine::Forward << 0.0 << KWin::TimeLine::Backward << 0.0;
QTest::newRow("backward -> forward") << KWin::TimeLine::Backward << 1.0 << KWin::TimeLine::Forward << 1.0;
}
void TimeLineTest::testStrictRedirectSourceMode()
{
QFETCH(KWin::TimeLine::Direction, initialDirection);
KWin::TimeLine timeLine(1000ms, initialDirection);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.setSourceRedirectMode(KWin::TimeLine::RedirectMode::Strict);
QTEST(timeLine.direction(), "initialDirection");
QTEST(timeLine.value(), "initialValue");
QCOMPARE(timeLine.sourceRedirectMode(), KWin::TimeLine::RedirectMode::Strict);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
QFETCH(KWin::TimeLine::Direction, finalDirection);
timeLine.setDirection(finalDirection);
QTEST(timeLine.direction(), "finalDirection");
QTEST(timeLine.value(), "finalValue");
QCOMPARE(timeLine.sourceRedirectMode(), KWin::TimeLine::RedirectMode::Strict);
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
}
void TimeLineTest::testRelaxedRedirectSourceMode_data()
{
QTest::addColumn<KWin::TimeLine::Direction>("initialDirection");
QTest::addColumn<qreal>("initialValue");
QTest::addColumn<KWin::TimeLine::Direction>("finalDirection");
QTest::addColumn<qreal>("finalValue");
QTest::newRow("forward -> backward") << KWin::TimeLine::Forward << 0.0 << KWin::TimeLine::Backward << 1.0;
QTest::newRow("backward -> forward") << KWin::TimeLine::Backward << 1.0 << KWin::TimeLine::Forward << 0.0;
}
void TimeLineTest::testRelaxedRedirectSourceMode()
{
QFETCH(KWin::TimeLine::Direction, initialDirection);
KWin::TimeLine timeLine(1000ms, initialDirection);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.setSourceRedirectMode(KWin::TimeLine::RedirectMode::Relaxed);
QTEST(timeLine.direction(), "initialDirection");
QTEST(timeLine.value(), "initialValue");
QCOMPARE(timeLine.sourceRedirectMode(), KWin::TimeLine::RedirectMode::Relaxed);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
QFETCH(KWin::TimeLine::Direction, finalDirection);
timeLine.setDirection(finalDirection);
QTEST(timeLine.direction(), "finalDirection");
QTEST(timeLine.value(), "finalValue");
QCOMPARE(timeLine.sourceRedirectMode(), KWin::TimeLine::RedirectMode::Relaxed);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
}
void TimeLineTest::testStrictRedirectTargetMode_data()
{
QTest::addColumn<KWin::TimeLine::Direction>("initialDirection");
QTest::addColumn<qreal>("initialValue");
QTest::addColumn<KWin::TimeLine::Direction>("finalDirection");
QTest::addColumn<qreal>("finalValue");
QTest::newRow("forward -> backward") << KWin::TimeLine::Forward << 0.0 << KWin::TimeLine::Backward << 1.0;
QTest::newRow("backward -> forward") << KWin::TimeLine::Backward << 1.0 << KWin::TimeLine::Forward << 0.0;
}
void TimeLineTest::testStrictRedirectTargetMode()
{
QFETCH(KWin::TimeLine::Direction, initialDirection);
KWin::TimeLine timeLine(1000ms, initialDirection);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.setTargetRedirectMode(KWin::TimeLine::RedirectMode::Strict);
QTEST(timeLine.direction(), "initialDirection");
QTEST(timeLine.value(), "initialValue");
QCOMPARE(timeLine.targetRedirectMode(), KWin::TimeLine::RedirectMode::Strict);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
timeLine.update(1000ms);
QTEST(timeLine.value(), "finalValue");
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
QFETCH(KWin::TimeLine::Direction, finalDirection);
timeLine.setDirection(finalDirection);
QTEST(timeLine.direction(), "finalDirection");
QTEST(timeLine.value(), "finalValue");
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
}
void TimeLineTest::testRelaxedRedirectTargetMode_data()
{
QTest::addColumn<KWin::TimeLine::Direction>("initialDirection");
QTest::addColumn<qreal>("initialValue");
QTest::addColumn<KWin::TimeLine::Direction>("finalDirection");
QTest::addColumn<qreal>("finalValue");
QTest::newRow("forward -> backward") << KWin::TimeLine::Forward << 0.0 << KWin::TimeLine::Backward << 1.0;
QTest::newRow("backward -> forward") << KWin::TimeLine::Backward << 1.0 << KWin::TimeLine::Forward << 0.0;
}
void TimeLineTest::testRelaxedRedirectTargetMode()
{
QFETCH(KWin::TimeLine::Direction, initialDirection);
KWin::TimeLine timeLine(1000ms, initialDirection);
timeLine.setEasingCurve(QEasingCurve::Linear);
timeLine.setTargetRedirectMode(KWin::TimeLine::RedirectMode::Relaxed);
QTEST(timeLine.direction(), "initialDirection");
QTEST(timeLine.value(), "initialValue");
QCOMPARE(timeLine.targetRedirectMode(), KWin::TimeLine::RedirectMode::Relaxed);
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
timeLine.update(1000ms);
QTEST(timeLine.value(), "finalValue");
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
QFETCH(KWin::TimeLine::Direction, finalDirection);
timeLine.setDirection(finalDirection);
QTEST(timeLine.direction(), "finalDirection");
QTEST(timeLine.value(), "finalValue");
QVERIFY(!timeLine.running());
QVERIFY(!timeLine.done());
timeLine.update(1000ms);
QTEST(timeLine.direction(), "finalDirection");
QTEST(timeLine.value(), "initialValue");
QVERIFY(!timeLine.running());
QVERIFY(timeLine.done());
}
QTEST_MAIN(TimeLineTest)
#include "timelinetest.moc"
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