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diff --git a/tests/manual/declarative/qmlshadersplugin/qml/qmlshadersplugintest/TestItemMargins.qml b/tests/manual/declarative/qmlshadersplugin/qml/qmlshadersplugintest/TestItemMargins.qml
new file mode 100644
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+++ b/tests/manual/declarative/qmlshadersplugin/qml/qmlshadersplugintest/TestItemMargins.qml
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QML Shaders plugin 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+import QtQuick 1.0
+import Qt.labs.shaders 1.0
+
+Rectangle {
+    id: marginTester
+    anchors.fill: parent;
+    color: "green"
+    property real testMarginX: 10
+    property real testMarginY: 10
+
+    Timer {
+        running: true
+        interval: 2000
+        repeat: true
+        onTriggered: {
+            if (marginTester.testMarginX < 20) {
+                marginTester.testMarginX = 50
+                marginTester.testMarginY = 120
+            }
+            else {
+                marginTester.testMarginX = 10
+                marginTester.testMarginY = 10
+            }
+
+            theSource.sourceRect = Qt.rect(-testMarginX, -testMarginY, parent.width + testMarginX*2, parent.height + testMarginY*2)
+            console.log("onTriggered")
+        }
+    }
+
+    Image {
+        id: redrect
+        source: "image_opaque.png"
+    }
+
+
+    ShaderEffectSource {
+        id: theSource
+        sourceItem: redrect
+        sourceRect: Qt.rect(-10,-10, parent.width + 2*10, parent.height + 2*10)
+        hideSource: true
+    }
+
+    ShaderEffectItem {
+        id: effect
+        anchors.fill: parent;
+        property variant source: theSource
+    }
+
+    Rectangle {
+        width: parent.width
+        height: 40
+        color: "#cc000000"
+
+        Text {
+             id: label
+             anchors.centerIn:  parent
+             text: theSource.sourceRect.width == 0 ? "No margins" : "Green margins " + marginTester.testMarginX + "x" + marginTester.testMarginY
+             color: "white"
+             font.bold: true
+        }
+    }
+}