diff -r b72c6db6890b -r 5dc02b23752f tests/auto/declarative/qdeclarativeimageprovider/tst_qdeclarativeimageprovider.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/auto/declarative/qdeclarativeimageprovider/tst_qdeclarativeimageprovider.cpp Tue Jul 06 15:10:48 2010 +0300 @@ -0,0 +1,178 @@ +/**************************************************************************** +** +** 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 +#include +#include +#include +#include +#include + +// 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("source"); + QTest::addColumn("properties"); + QTest::addColumn("size"); + QTest::addColumn("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(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(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"