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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <QtTest/QtTest>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativeimageprovider.h>
#include <private/qdeclarativeimage_p.h>
#include <QImageReader>
// QDeclarativeImageProvider::request() is run in an idle thread where possible
// Be generous in our timeout.
#define TRY_WAIT(expr) \
do { \
for (int ii = 0; ii < 10; ++ii) { \
if ((expr)) break; \
QTest::qWait(100); \
} \
QVERIFY((expr)); \
} while (false)
class tst_qdeclarativeimageprovider : public QObject
{
Q_OBJECT
public:
tst_qdeclarativeimageprovider()
{
}
private slots:
void imageSource();
void imageSource_data();
void removeProvider();
private:
QDeclarativeEngine engine;
};
class TestProvider : public QDeclarativeImageProvider
{
public:
QImage request(const QString &id, QSize *size, const QSize& requested_size) {
QImageReader io(SRCDIR "/data/" + id);
if (size) *size = io.size();
if (requested_size.isValid())
io.setScaledSize(requested_size);
return io.read();
}
};
void tst_qdeclarativeimageprovider::imageSource_data()
{
QTest::addColumn<QString>("source");
QTest::addColumn<QString>("properties");
QTest::addColumn<QSize>("size");
QTest::addColumn<QString>("error");
QTest::newRow("exists") << "image://test/exists.png" << "" << QSize(100,100) << "";
QTest::newRow("scaled") << "image://test/exists.png" << "sourceSize: \"80x30\"" << QSize(80,30) << "";
QTest::newRow("missing") << "image://test/no-such-file.png" << "" << QSize()
<< "file::2:1: QML Image: Failed to get image from provider: image://test/no-such-file.png";
QTest::newRow("unknown provider") << "image://bogus/exists.png" << "" << QSize()
<< "file::2:1: QML Image: Failed to get image from provider: image://bogus/exists.png";
}
void tst_qdeclarativeimageprovider::imageSource()
{
QFETCH(QString, source);
QFETCH(QString, properties);
QFETCH(QSize, size);
QFETCH(QString, error);
if (!error.isEmpty())
QTest::ignoreMessage(QtWarningMsg, error.toUtf8());
engine.addImageProvider("test", new TestProvider);
QVERIFY(engine.imageProvider("test") != 0);
QString componentStr = "import Qt 4.7\nImage { source: \"" + source + "\"; " + properties + " }";
QDeclarativeComponent component(&engine);
component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
QDeclarativeImage *obj = qobject_cast<QDeclarativeImage*>(component.create());
QVERIFY(obj != 0);
TRY_WAIT(obj->status() == QDeclarativeImage::Loading);
QCOMPARE(obj->source(), QUrl(source));
if (error.isEmpty()) {
TRY_WAIT(obj->status() == QDeclarativeImage::Ready);
QCOMPARE(obj->width(), 100.0);
QCOMPARE(obj->height(), 100.0);
QCOMPARE(obj->pixmap().width(), size.width());
QCOMPARE(obj->pixmap().height(), size.height());
QCOMPARE(obj->fillMode(), QDeclarativeImage::Stretch);
QCOMPARE(obj->progress(), 1.0);
} else {
TRY_WAIT(obj->status() == QDeclarativeImage::Error);
}
delete obj;
}
void tst_qdeclarativeimageprovider::removeProvider()
{
engine.addImageProvider("test2", new TestProvider);
QVERIFY(engine.imageProvider("test2") != 0);
// add provider, confirm it works
QString componentStr = "import Qt 4.7\nImage { source: \"image://test2/exists1.png\" }";
QDeclarativeComponent component(&engine);
component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
QDeclarativeImage *obj = qobject_cast<QDeclarativeImage*>(component.create());
QVERIFY(obj != 0);
TRY_WAIT(obj->status() == QDeclarativeImage::Loading);
TRY_WAIT(obj->status() == QDeclarativeImage::Ready);
QCOMPARE(obj->width(), 100.0);
// remove the provider and confirm
QString error("file::2:1: QML Image: Failed to get image from provider: image://test2/exists2.png");
QTest::ignoreMessage(QtWarningMsg, error.toUtf8());
engine.removeImageProvider("test2");
obj->setSource(QUrl("image://test2/exists2.png"));
TRY_WAIT(obj->status() == QDeclarativeImage::Loading);
TRY_WAIT(obj->status() == QDeclarativeImage::Error);
delete obj;
}
QTEST_MAIN(tst_qdeclarativeimageprovider)
#include "tst_qdeclarativeimageprovider.moc"
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