kwin/autotests/integration/dont_crash_reinitialize_compositor.cpp

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/*
KWin - the KDE window manager
This file is part of the KDE project.
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SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kwin_wayland_test.h"
#include "composite.h"
#include "core/output.h"
#include "core/platform.h"
#include "core/renderbackend.h"
#include "deleted.h"
#include "effectloader.h"
#include "effects.h"
#include "wayland_server.h"
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#include "window.h"
#include "workspace.h"
#include <KWayland/Client/surface.h>
namespace KWin
{
static const QString s_socketName = QStringLiteral("wayland_test_kwin_dont_crash_reinitialize_compositor-0");
class DontCrashReinitializeCompositorTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initTestCase();
void init();
void cleanup();
void testReinitializeCompositor_data();
void testReinitializeCompositor();
};
void DontCrashReinitializeCompositorTest::initTestCase()
{
qputenv("XDG_DATA_DIRS", QCoreApplication::applicationDirPath().toUtf8());
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qRegisterMetaType<KWin::Window *>();
qRegisterMetaType<KWin::Deleted *>();
QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
QVERIFY(applicationStartedSpy.isValid());
kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
QVERIFY(waylandServer()->init(s_socketName));
QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));
auto config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
KConfigGroup plugins(config, QStringLiteral("Plugins"));
const auto builtinNames = EffectLoader().listOfKnownEffects();
for (const QString &name : builtinNames) {
plugins.writeEntry(name + QStringLiteral("Enabled"), false);
}
config->sync();
kwinApp()->setConfig(config);
qputenv("KWIN_COMPOSE", QByteArrayLiteral("O2"));
qputenv("KWIN_EFFECTS_FORCE_ANIMATIONS", QByteArrayLiteral("1"));
kwinApp()->start();
QVERIFY(applicationStartedSpy.wait());
const auto outputs = workspace()->outputs();
QCOMPARE(outputs.count(), 2);
QCOMPARE(outputs[0]->geometry(), QRect(0, 0, 1280, 1024));
QCOMPARE(outputs[1]->geometry(), QRect(1280, 0, 1280, 1024));
QCOMPARE(Compositor::self()->backend()->compositingType(), KWin::OpenGLCompositing);
}
void DontCrashReinitializeCompositorTest::init()
{
QVERIFY(Test::setupWaylandConnection());
}
void DontCrashReinitializeCompositorTest::cleanup()
{
// Unload all effects.
auto effectsImpl = qobject_cast<EffectsHandlerImpl *>(effects);
QVERIFY(effectsImpl);
effectsImpl->unloadAllEffects();
QVERIFY(effectsImpl->loadedEffects().isEmpty());
Test::destroyWaylandConnection();
}
void DontCrashReinitializeCompositorTest::testReinitializeCompositor_data()
{
QTest::addColumn<QString>("effectName");
QTest::newRow("Fade") << QStringLiteral("kwin4_effect_fade");
QTest::newRow("Glide") << QStringLiteral("glide");
QTest::newRow("Scale") << QStringLiteral("kwin4_effect_scale");
}
void DontCrashReinitializeCompositorTest::testReinitializeCompositor()
{
// This test verifies that KWin doesn't crash when the compositor settings
// have been changed while a scripted effect animates the disappearing of
// a window.
// Make sure that we have the right effects ptr.
auto effectsImpl = qobject_cast<EffectsHandlerImpl *>(effects);
QVERIFY(effectsImpl);
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// Create the test window.
using namespace KWayland::Client;
std::unique_ptr<KWayland::Client::Surface> surface(Test::createSurface());
QVERIFY(surface != nullptr);
std::unique_ptr<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.get()));
QVERIFY(shellSurface != nullptr);
Window *window = Test::renderAndWaitForShown(surface.get(), QSize(100, 50), Qt::blue);
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QVERIFY(window);
// Make sure that only the test effect is loaded.
QFETCH(QString, effectName);
QVERIFY(effectsImpl->loadEffect(effectName));
QCOMPARE(effectsImpl->loadedEffects().count(), 1);
QCOMPARE(effectsImpl->loadedEffects().first(), effectName);
Effect *effect = effectsImpl->findEffect(effectName);
QVERIFY(effect);
QVERIFY(!effect->isActive());
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// Close the test window.
QSignalSpy windowClosedSpy(window, &Window::windowClosed);
QVERIFY(windowClosedSpy.isValid());
shellSurface.reset();
surface.reset();
QVERIFY(windowClosedSpy.wait());
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// The test effect should start animating the test window. Is there a better
// way to verify that the test effect actually animates the test window?
QVERIFY(effect->isActive());
// Re-initialize the compositor, effects will be destroyed and created again.
Compositor::self()->reinitialize();
// By this time, KWin should still be alive.
}
} // namespace KWin
WAYLANDTEST_MAIN(KWin::DontCrashReinitializeCompositorTest)
#include "dont_crash_reinitialize_compositor.moc"