diff -r 000000000000 -r 1918ee327afb tests/auto/qmultiscreen/tst_qmultiscreen.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qmultiscreen/tst_qmultiscreen.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,172 @@
+/****************************************************************************
+**
+** 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 <QtTest/QtTest>
+
+#ifdef Q_WS_QWS
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+#include <qdesktopwidget.h>
+#include <qscreen_qws.h>
+#include <qscreendriverfactory_qws.h>
+#include <qlabel.h>
+
+class tst_QMultiScreen : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QMultiScreen() : screen(0), oldScreen(0) {}
+    ~tst_QMultiScreen() {}
+
+private slots:
+    void initTestCase();
+    void cleanupTestCase();
+    void widgetSetFixedSize();
+    void grabWindow();
+
+private:
+    QScreen *screen;
+    QScreen *oldScreen;
+};
+
+void tst_QMultiScreen::cleanupTestCase()
+{
+    screen->shutdownDevice();
+    screen->disconnect();
+    delete screen;
+    screen = 0;
+
+    qt_screen = oldScreen;
+}
+
+void tst_QMultiScreen::initTestCase()
+{
+    oldScreen = qt_screen;
+
+    QVERIFY(QScreenDriverFactory::keys().contains(QLatin1String("Multi")));
+    QVERIFY(QScreenDriverFactory::keys().contains(QLatin1String("VNC")));
+
+    const int id = 10;
+    screen = QScreenDriverFactory::create("Multi", id);
+    QVERIFY(screen);
+    QVERIFY(screen->connect(QString("Multi: "
+                                    "VNC:size=640x480:depth=32:offset=0,0:%1 "
+                                    "VNC:size=640x480:depth=32:offset=640,0:%2 "
+                                    "VNC:size=640x480:depth=16:offset=0,480:%3 "
+                                    ":%4")
+                            .arg(id+1).arg(id+2).arg(id+3).arg(id)));
+    QVERIFY(screen->initDevice());
+
+    QDesktopWidget desktop;
+    QCOMPARE(desktop.numScreens(), 3);
+}
+
+void tst_QMultiScreen::widgetSetFixedSize()
+{
+    QDesktopWidget desktop;
+    QRect maxRect;
+    for (int i = 0; i < desktop.numScreens(); ++i)
+        maxRect |= desktop.availableGeometry(i);
+
+    maxRect = maxRect.adjusted(50, 50, -50, -50);
+
+    // make sure we can set a size larger than a single screen (task 166368)
+    QWidget w;
+    w.setFixedSize(maxRect.size());
+    w.show();
+    QApplication::processEvents();
+    QCOMPARE(w.geometry().size(), maxRect.size());
+}
+
+void tst_QMultiScreen::grabWindow()
+{
+    QDesktopWidget desktop;
+
+    QVERIFY(desktop.numScreens() >= 2);
+
+    const QRect r0 = desktop.availableGeometry(0).adjusted(50, 50, -50, -50);
+    const QRect r1 = desktop.availableGeometry(1).adjusted(60, 60, -60, -60);
+
+    QWidget w;
+    w.setGeometry(r0);
+    w.show();
+
+    QLabel l("hi there");
+    l.setGeometry(r1);
+    l.show();
+
+    QApplication::processEvents();
+    QApplication::sendPostedEvents(); // workaround for glib event loop
+    QVERIFY(desktop.screenNumber(&w) == 0);
+    QVERIFY(desktop.screenNumber(&l) == 1);
+
+    const QPixmap p0 = QPixmap::grabWindow(w.winId());
+    const QPixmap p1 = QPixmap::grabWindow(l.winId());
+
+//     p0.save("w.png", "PNG");
+//     p1.save("l.png", "PNG");
+    QCOMPARE(p0.size(), w.size());
+    QCOMPARE(p1.size(), l.size());
+
+    const QImage img0 = p0.toImage();
+    const QImage img1 = p1.toImage();
+
+//     QPixmap::grabWidget(&w).toImage().convertToFormat(img0.format()).save("w_img.png", "PNG");
+//     QPixmap::grabWidget(&l).toImage().convertToFormat(img1.format()).save("l_img.png", "PNG");
+
+    QImage::Format format = QImage::Format_RGB16;
+    QCOMPARE(img0.convertToFormat(format),
+             QPixmap::grabWidget(&w).toImage().convertToFormat(format));
+    QCOMPARE(img1.convertToFormat(format),
+             QPixmap::grabWidget(&l).toImage().convertToFormat(format));
+}
+
+QTEST_MAIN(tst_QMultiScreen)
+
+#include "tst_qmultiscreen.moc"
+
+#else // Q_WS_QWS
+QTEST_NOOP_MAIN
+#endif