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qtdeclarative/tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache...

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <QtTest/QtTest>
#include <private/qdeclarativepixmapcache_p.h>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativeimageprovider.h>
#include <QNetworkReply>
#include "../shared/util.h"
#include "testhttpserver.h"
#ifndef QT_NO_CONCURRENT
#include <qtconcurrentrun.h>
#include <qfuture.h>
#endif
inline QUrl TEST_FILE(const QString &filename)
{
return QUrl::fromLocalFile(TESTDATA(filename));
}
class tst_qdeclarativepixmapcache : public QObject
{
Q_OBJECT
public:
tst_qdeclarativepixmapcache() :
server(14452)
{
server.serveDirectory(TESTDATA("http"));
}
private slots:
void single();
void single_data();
void parallel();
void parallel_data();
void massive();
void cancelcrash();
void shrinkcache();
#ifndef QT_NO_CONCURRENT
void networkCrash();
#endif
void lockingCrash();
void dataLeak();
private:
QDeclarativeEngine engine;
TestHTTPServer server;
};
static int slotters=0;
class Slotter : public QObject
{
Q_OBJECT
public:
Slotter()
{
gotslot = false;
slotters++;
}
bool gotslot;
public slots:
void got()
{
gotslot = true;
--slotters;
if (slotters==0)
QTestEventLoop::instance().exitLoop();
}
};
#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML
static const bool localfile_optimized = true;
#else
static const bool localfile_optimized = false;
#endif
void tst_qdeclarativepixmapcache::single_data()
{
// Note, since QDeclarativePixmapCache is shared, tests affect each other!
// so use different files fore all test functions.
QTest::addColumn<QUrl>("target");
QTest::addColumn<bool>("incache");
QTest::addColumn<bool>("exists");
QTest::addColumn<bool>("neterror");
// File URLs are optimized
QTest::newRow("local") << TEST_FILE("exists.png") << localfile_optimized << true << false;
QTest::newRow("local") << TEST_FILE("notexists.png") << localfile_optimized << false << false;
QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/exists.png") << false << true << false;
QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/notexists.png") << false << false << true;
}
void tst_qdeclarativepixmapcache::single()
{
QFETCH(QUrl, target);
QFETCH(bool, incache);
QFETCH(bool, exists);
QFETCH(bool, neterror);
QString expectedError;
if (neterror) {
expectedError = "Error downloading " + target.toString() + " - server replied: Not found";
} else if (!exists) {
expectedError = "Cannot open: " + target.toString();
}
QDeclarativePixmap pixmap;
QVERIFY(pixmap.width() <= 0); // Check Qt assumption
pixmap.load(&engine, target);
if (incache) {
QCOMPARE(pixmap.error(), expectedError);
if (exists) {
QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
QVERIFY(pixmap.width() > 0);
} else {
QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
QVERIFY(pixmap.width() <= 0);
}
} else {
QVERIFY(pixmap.width() <= 0);
Slotter getter;
pixmap.connectFinished(&getter, SLOT(got()));
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!QTestEventLoop::instance().timeout());
QVERIFY(getter.gotslot);
if (exists) {
QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
QVERIFY(pixmap.width() > 0);
} else {
QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
QVERIFY(pixmap.width() <= 0);
}
QCOMPARE(pixmap.error(), expectedError);
}
}
void tst_qdeclarativepixmapcache::parallel_data()
{
// Note, since QDeclarativePixmapCache is shared, tests affect each other!
// so use different files fore all test functions.
QTest::addColumn<QUrl>("target1");
QTest::addColumn<QUrl>("target2");
QTest::addColumn<int>("incache");
QTest::addColumn<int>("cancel"); // which one to cancel
QTest::newRow("local")
<< TEST_FILE("exists1.png")
<< TEST_FILE("exists2.png")
<< (localfile_optimized ? 2 : 0)
<< -1;
QTest::newRow("remote")
<< QUrl("http://127.0.0.1:14452/exists2.png")
<< QUrl("http://127.0.0.1:14452/exists3.png")
<< 0
<< -1;
QTest::newRow("remoteagain")
<< QUrl("http://127.0.0.1:14452/exists2.png")
<< QUrl("http://127.0.0.1:14452/exists3.png")
<< 2
<< -1;
QTest::newRow("remotecopy")
<< QUrl("http://127.0.0.1:14452/exists4.png")
<< QUrl("http://127.0.0.1:14452/exists4.png")
<< 0
<< -1;
QTest::newRow("remotecopycancel")
<< QUrl("http://127.0.0.1:14452/exists5.png")
<< QUrl("http://127.0.0.1:14452/exists5.png")
<< 0
<< 0;
}
void tst_qdeclarativepixmapcache::parallel()
{
QFETCH(QUrl, target1);
QFETCH(QUrl, target2);
QFETCH(int, incache);
QFETCH(int, cancel);
QList<QUrl> targets;
targets << target1 << target2;
QList<QDeclarativePixmap *> pixmaps;
QList<bool> pending;
QList<Slotter*> getters;
for (int i=0; i<targets.count(); ++i) {
QUrl target = targets.at(i);
QDeclarativePixmap *pixmap = new QDeclarativePixmap;
pixmap->load(&engine, target);
QVERIFY(pixmap->status() != QDeclarativePixmap::Error);
pixmaps.append(pixmap);
if (pixmap->isReady()) {
QVERIFY(pixmap->width() > 0);
getters.append(0);
pending.append(false);
} else {
QVERIFY(pixmap->width() <= 0);
getters.append(new Slotter);
pixmap->connectFinished(getters[i], SLOT(got()));
pending.append(true);
}
}
QCOMPARE(incache+slotters, targets.count());
if (cancel >= 0) {
pixmaps.at(cancel)->clear(getters[cancel]);
slotters--;
}
if (slotters) {
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!QTestEventLoop::instance().timeout());
}
for (int i=0; i<targets.count(); ++i) {
QDeclarativePixmap *pixmap = pixmaps[i];
if (i == cancel) {
QVERIFY(!getters[i]->gotslot);
} else {
if (pending[i])
QVERIFY(getters[i]->gotslot);
QVERIFY(pixmap->isReady());
QVERIFY(pixmap->width() > 0);
delete getters[i];
}
}
qDeleteAll(pixmaps);
}
void tst_qdeclarativepixmapcache::massive()
{
QDeclarativeEngine engine;
QUrl url = TEST_FILE("massive.png");
// Confirm that massive images remain in the cache while they are
// in use by the application.
{
qint64 cachekey = 0;
QDeclarativePixmap p(&engine, url);
QVERIFY(p.isReady());
QVERIFY(p.pixmap().size() == QSize(10000, 1000));
cachekey = p.pixmap().cacheKey();
QDeclarativePixmap p2(&engine, url);
QVERIFY(p2.isReady());
QVERIFY(p2.pixmap().size() == QSize(10000, 1000));
QVERIFY(p2.pixmap().cacheKey() == cachekey);
}
// Confirm that massive images are removed from the cache when
// they become unused
{
qint64 cachekey = 0;
{
QDeclarativePixmap p(&engine, url);
QVERIFY(p.isReady());
QVERIFY(p.pixmap().size() == QSize(10000, 1000));
cachekey = p.pixmap().cacheKey();
}
QDeclarativePixmap p2(&engine, url);
QVERIFY(p2.isReady());
QVERIFY(p2.pixmap().size() == QSize(10000, 1000));
QVERIFY(p2.pixmap().cacheKey() != cachekey);
}
}
// QTBUG-12729
void tst_qdeclarativepixmapcache::cancelcrash()
{
QUrl url("http://127.0.0.1:14452/cancelcrash_notexist.png");
for (int ii = 0; ii < 1000; ++ii) {
QDeclarativePixmap pix(&engine, url);
}
}
class MyPixmapProvider : public QDeclarativeImageProvider
{
public:
MyPixmapProvider()
: QDeclarativeImageProvider(Pixmap) {}
virtual QPixmap requestPixmap(const QString &d, QSize *, const QSize &) {
Q_UNUSED(d)
QPixmap pix(800, 600);
pix.fill(Qt::red);
return pix;
}
};
// QTBUG-13345
void tst_qdeclarativepixmapcache::shrinkcache()
{
QDeclarativeEngine engine;
engine.addImageProvider(QLatin1String("mypixmaps"), new MyPixmapProvider);
for (int ii = 0; ii < 4000; ++ii) {
QUrl url("image://mypixmaps/" + QString::number(ii));
QDeclarativePixmap p(&engine, url);
}
}
#ifndef QT_NO_CONCURRENT
void createNetworkServer()
{
QEventLoop eventLoop;
TestHTTPServer server(14453);
server.serveDirectory(TESTDATA("http"));
QTimer::singleShot(100, &eventLoop, SLOT(quit()));
eventLoop.exec();
}
#ifndef QT_NO_CONCURRENT
// QT-3957
void tst_qdeclarativepixmapcache::networkCrash()
{
QFuture<void> future = QtConcurrent::run(createNetworkServer);
QDeclarativeEngine engine;
for (int ii = 0; ii < 100 ; ++ii) {
QDeclarativePixmap* pixmap = new QDeclarativePixmap;
pixmap->load(&engine, QUrl(QString("http://127.0.0.1:14453/exists.png")));
QTest::qSleep(1);
pixmap->clear();
delete pixmap;
}
future.cancel();
}
#endif
#endif
// QTBUG-22125
void tst_qdeclarativepixmapcache::lockingCrash()
{
TestHTTPServer server(14453);
server.serveDirectory(TESTDATA("http"), TestHTTPServer::Delay);
{
QDeclarativePixmap* p = new QDeclarativePixmap;
{
QDeclarativeEngine e;
p->load(&e, QUrl(QString("http://127.0.0.1:14453/exists6.png")));
}
p->clear();
QVERIFY(p->isNull());
delete p;
}
}
#include <QQuickView>
class DataLeakView : public QQuickView
{
Q_OBJECT
public:
explicit DataLeakView() : QQuickView()
{
setSource(TEST_FILE("dataLeak.qml"));
}
void showFor2Seconds()
{
showFullScreen();
QTimer::singleShot(2000, this, SIGNAL(ready()));
}
signals:
void ready();
};
// QTBUG-22742
Q_GLOBAL_STATIC(QDeclarativePixmap, dataLeakPixmap)
void tst_qdeclarativepixmapcache::dataLeak()
{
// Should not leak cached QDeclarativePixmapData.
// Unfortunately, since the QDeclarativePixmapStore
// is a global static, and it releases the cache
// entries on dtor (application exit), we must use
// valgrind to determine whether it leaks or not.
QDeclarativePixmap *p1 = new QDeclarativePixmap;
QDeclarativePixmap *p2 = new QDeclarativePixmap;
{
QScopedPointer<DataLeakView> test(new DataLeakView);
test->showFor2Seconds();
dataLeakPixmap()->load(test->engine(), TEST_FILE("exists.png"));
p1->load(test->engine(), TEST_FILE("exists.png"));
p2->load(test->engine(), TEST_FILE("exists2.png"));
QTest::qWait(2005); // 2 seconds + a few more millis.
}
// When the (global static) dataLeakPixmap is deleted, it
// shouldn't attempt to dereference a QDeclarativePixmapData
// which has been deleted by the QDeclarativePixmapStore
// destructor.
}
QTEST_MAIN(tst_qdeclarativepixmapcache)
#include "tst_qdeclarativepixmapcache.moc"
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