--- old/modules/graphics/src/test/java/com/sun/javafx/sg/prism/GridDirtyRegionTest.java	2015-09-11 21:24:29.129286937 -0400
+++ /dev/null	2015-09-11 11:06:08.592686920 -0400
@@ -1,238 +0,0 @@
-/*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.javafx.sg.prism;
-
-import java.util.ArrayList;
-import java.util.List;
-import com.sun.javafx.geom.BaseBounds;
-import com.sun.javafx.geom.RectBounds;
-import com.sun.javafx.geom.transform.BaseTransform;
-import com.sun.scenario.effect.DropShadow;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-
-/**
- * A series of tests where we are checking for the dirty region on a grid
- * of nodes. This is a parameterized test (based on its base class).
- * Each time the test is run, it will be given a way to create nodes,
- * and a way to make them dirty. Each test then only has to invoke the
- * creator to make nodes and the polluter to make them dirty, and then
- * check that the right methods were called and the right dirty regions
- * computed. There is some magic here -- every node created by the creator
- * must implement TestNGNode; the base class must set the "root" in the
- * parent class.
- */
-@RunWith(Parameterized.class)
-public class GridDirtyRegionTest extends DirtyRegionTestBase {
-    /**
-     * Specified to avoid magic numbers. There are several places where we
-     * translate the root in order to make it dirty.
-     */
-    private static final float TRANSLATE_DELTA = 50;
-
-    /**
-     * Creates a new instance of the GridDirtyRegionTest. Since this is a
-     * parameterized test, we are passed the node creator and polluter.
-     */
-    public GridDirtyRegionTest(Creator creator, Polluter polluter) {
-        super(creator, polluter);
-    }
-
-    /**
-     * Constructs a non-overlapping grid of nodes. Each node is a direct child
-     * of the root node. They may end up overlapping when they become dirty,
-     * but they don't start out that way! Each node is placed where it belongs
-     * in the grid by translating them into place.
-     */
-    @Before public void setUp() {
-        // create the grid
-        NGNode[] content = new NGNode[9];
-        for (int row=0; row<3; row++) {
-            for (int col=0; col<3; col++) {
-                NGNode node = creator.create();
-                BaseTransform tx = BaseTransform.IDENTITY_TRANSFORM;
-                tx = tx.deriveWithTranslation((col * 110), (row * 110));
-                transform(node, tx);
-                content[(row * 3) + col] = node;
-            }
-        }
-        root = createGroup(content);
-
-        // The grid is created & populated. We'll now go through and manually
-        // clean them all up so that when we perform the test, it is from the
-        // starting point of a completely cleaned tree
-        root.render(TestGraphics.TEST_GRAPHICS);
-    }
-
-    @Test public void sanityCheck() {
-        NGNode node = root.getChildren().get(0);
-        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-        assertEquals(new RectBounds(0, 0, 100, 100), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-
-        node = root.getChildren().get(1);
-        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-        assertEquals(new RectBounds(110, 0, 210, 100), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-
-        node = root.getChildren().get(3);
-        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-        assertEquals(new RectBounds(0, 110, 100, 210), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
-    }
-
-    @Test public void cleanNodesShouldNotContributeToDirtyRegion() {
-        // By default the scene should be clean
-        assertDirtyRegionEquals(root, new RectBounds());
-    }
-
-    @Test public void cleanChildNodesOnADirtyParentShouldNotContributeToDirtyRegion() {
-        // Now if I translate the root, none of the child nodes
-        // should contribute to the dirty region
-        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
-        for (NGNode child : root.getChildren()) {
-            assertDirtyRegionEquals(child, new RectBounds());
-        }
-    }
-
-    @Test public void whenOnlyTheRootIsDirtyOnlyTheRootShouldBeAskedToAccumulateDirtyRegions() {
-        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
-        assertOnlyTheseNodesAreAskedToAccumulateDirtyRegions(root);
-    }
-
-    @Test public void cleanChildNodesOnACleanParentShouldNotContributeToDirtyRegion() {
-        // If I make one of the children dirty, then the child should contribute
-        // to the dirty region, but none of the other nodes should. This test just
-        // checks this second part -- that none of the other child nodes contribute.
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        polluter.pollute(middleChild);
-        for (NGNode child : root.getChildren()) {
-            if (child != middleChild) { // skip the dirty node
-                assertDirtyRegionEquals(child, new RectBounds());
-            }
-        }
-    }
-
-    @Test public void whenOnlyASingleChildIsDirtyThenParentAndAllChildrenAreAskedToAccumulateDirtyRegions() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        polluter.pollute(middleChild);
-        List<NGNode> nodes = new ArrayList<>(root.getChildren());
-        nodes.add(root);
-        NGNode[] arr = new NGNode[nodes.size()];
-        for (int i=0; i<nodes.size(); i++) arr[i] = nodes.get(i);
-        // The middle child should be changed
-        assertOnlyTheseNodesAreAskedToAccumulateDirtyRegions(arr);
-    }
-
-    @Test public void whenOnlyASingleChildIsDirtyThenOnlyParentAndThatChildShouldComputeDirtyRegions() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        polluter.pollute(middleChild);
-        /*
-            Testing discovered a really great thing that happens -- if the dirty node is
-            a group, but it has no dirty child nodes, then the group itself will not end
-            up with accumulateGroupDirtyRegion getting called -- only the node variant.
-            Which makes perfect sense and is something of an optimization.
-         */
-        assertOnlyTheseNodesAreAskedToComputeDirtyRegions(root, middleChild);
-    }
-
-    @Test public void aDirtyChildNodeShouldFormTheDirtyRegionWhenItIsTheOnlyDirtyNode() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        assertDirtyRegionEquals(root, polluter.polluteAndGetExpectedBounds(middleChild));
-    }
-
-    @Test public void theUnionOfTwoDirtyChildNodesDirtyRegionsShouldFormTheDirtyRegionWhenTheyAreTheOnlyDirtyNodes() {
-        NGNode firstChild = root.getChildren().get(0);
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        RectBounds firstChildArea = polluter.polluteAndGetExpectedBounds(firstChild);
-        RectBounds middleChildArea = polluter.polluteAndGetExpectedBounds(middleChild);
-        RectBounds expected = (RectBounds)firstChildArea.deriveWithUnion(middleChildArea);
-        assertDirtyRegionEquals(root, expected);
-    }
-
-    @Test public void whenTheParentIsDirtyAndSomeChildrenAreDirtyTheParentBoundsShouldFormTheDirtyRegion() {
-        BaseBounds original = root.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
-        BaseBounds transformed = root.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        polluter.pollute(root.getChildren().get(0));
-        polluter.pollute(root.getChildren().get(root.getChildren().size()/2));
-        polluter.pollute(root.getChildren().get(root.getChildren().size()-1));
-        RectBounds expected = (RectBounds)original.deriveWithUnion(transformed);
-        assertDirtyRegionEquals(root, expected);
-    }
-
-    @Test public void anEffectShouldChangeTheTransformedBoundsOfAChild() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        DropShadow shadow = new DropShadow();
-        shadow.setGaussianWidth(21);
-        shadow.setGaussianHeight(21);
-        shadow.setOffsetX(2);
-        shadow.setOffsetY(2);
-        setEffect(middleChild, shadow);
-        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        assertFalse(newTransformedBounds.equals(oldTransformedBounds));
-    }
-
-    @Test public void whenAnEffectIsSetTheChildBecomesDirtyAndTheDirtyRegionIncludesTheEffectBounds() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        DropShadow shadow = new DropShadow();
-        shadow.setGaussianWidth(21);
-        shadow.setGaussianHeight(21);
-        shadow.setOffsetX(2);
-        shadow.setOffsetY(2);
-        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        setEffect(middleChild, shadow);
-        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        RectBounds expected = (RectBounds)oldTransformedBounds.deriveWithUnion(newTransformedBounds);
-        assertDirtyRegionEquals(root, expected);
-    }
-
-    @Test public void whenAnEffectIsChangedOnTheChildTheDirtyRegionIncludesTheOldAndNewEffectBounds() {
-        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
-        DropShadow shadow = new DropShadow();
-        shadow.setGaussianWidth(21);
-        shadow.setGaussianHeight(21);
-        shadow.setOffsetX(2);
-        shadow.setOffsetY(2);
-        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        setEffect(middleChild, shadow);
-        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        shadow.setOffsetX(20);
-        shadow.setOffsetY(20);
-        BaseBounds evenNewerTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
-        RectBounds expected = (RectBounds)oldTransformedBounds.deriveWithUnion(newTransformedBounds).deriveWithUnion(evenNewerTransformedBounds);
-        assertDirtyRegionEquals(root, expected);
-    }
-
-    // TODO be sure to test changing properties on the node clip. For example, use a rect clip
-    // and change its geometry (RT-26928)
-
-
-    // TODO be sure to write a number of tests regarding the screen clip, and make sure that
-    // I test that accumulating dirty regions is correct in the presence of a clip. (RT-26928)
-}
--- /dev/null	2015-09-11 11:06:08.592686920 -0400
+++ new/modules/graphics/src/test/java/test/com/sun/javafx/sg/prism/GridDirtyRegionTest.java	2015-09-11 21:24:28.993286938 -0400
@@ -0,0 +1,240 @@
+/*
+ * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package test.com.sun.javafx.sg.prism;
+
+import test.com.sun.javafx.sg.prism.TestGraphics;
+import java.util.ArrayList;
+import java.util.List;
+import com.sun.javafx.geom.BaseBounds;
+import com.sun.javafx.geom.RectBounds;
+import com.sun.javafx.geom.transform.BaseTransform;
+import com.sun.javafx.sg.prism.NGNode;
+import com.sun.scenario.effect.DropShadow;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+/**
+ * A series of tests where we are checking for the dirty region on a grid
+ * of nodes. This is a parameterized test (based on its base class).
+ * Each time the test is run, it will be given a way to create nodes,
+ * and a way to make them dirty. Each test then only has to invoke the
+ * creator to make nodes and the polluter to make them dirty, and then
+ * check that the right methods were called and the right dirty regions
+ * computed. There is some magic here -- every node created by the creator
+ * must implement TestNGNode; the base class must set the "root" in the
+ * parent class.
+ */
+@RunWith(Parameterized.class)
+public class GridDirtyRegionTest extends DirtyRegionTestBase {
+    /**
+     * Specified to avoid magic numbers. There are several places where we
+     * translate the root in order to make it dirty.
+     */
+    private static final float TRANSLATE_DELTA = 50;
+
+    /**
+     * Creates a new instance of the GridDirtyRegionTest. Since this is a
+     * parameterized test, we are passed the node creator and polluter.
+     */
+    public GridDirtyRegionTest(Creator creator, Polluter polluter) {
+        super(creator, polluter);
+    }
+
+    /**
+     * Constructs a non-overlapping grid of nodes. Each node is a direct child
+     * of the root node. They may end up overlapping when they become dirty,
+     * but they don't start out that way! Each node is placed where it belongs
+     * in the grid by translating them into place.
+     */
+    @Before public void setUp() {
+        // create the grid
+        NGNode[] content = new NGNode[9];
+        for (int row=0; row<3; row++) {
+            for (int col=0; col<3; col++) {
+                NGNode node = creator.create();
+                BaseTransform tx = BaseTransform.IDENTITY_TRANSFORM;
+                tx = tx.deriveWithTranslation((col * 110), (row * 110));
+                transform(node, tx);
+                content[(row * 3) + col] = node;
+            }
+        }
+        root = createGroup(content);
+
+        // The grid is created & populated. We'll now go through and manually
+        // clean them all up so that when we perform the test, it is from the
+        // starting point of a completely cleaned tree
+        root.render(TestGraphics.TEST_GRAPHICS);
+    }
+
+    @Test public void sanityCheck() {
+        NGNode node = root.getChildren().get(0);
+        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+        assertEquals(new RectBounds(0, 0, 100, 100), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+
+        node = root.getChildren().get(1);
+        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+        assertEquals(new RectBounds(110, 0, 210, 100), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+
+        node = root.getChildren().get(3);
+        assertEquals(new RectBounds(0, 0, 100, 100), node.getContentBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+        assertEquals(new RectBounds(0, 110, 100, 210), node.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM));
+    }
+
+    @Test public void cleanNodesShouldNotContributeToDirtyRegion() {
+        // By default the scene should be clean
+        assertDirtyRegionEquals(root, new RectBounds());
+    }
+
+    @Test public void cleanChildNodesOnADirtyParentShouldNotContributeToDirtyRegion() {
+        // Now if I translate the root, none of the child nodes
+        // should contribute to the dirty region
+        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
+        for (NGNode child : root.getChildren()) {
+            assertDirtyRegionEquals(child, new RectBounds());
+        }
+    }
+
+    @Test public void whenOnlyTheRootIsDirtyOnlyTheRootShouldBeAskedToAccumulateDirtyRegions() {
+        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
+        assertOnlyTheseNodesAreAskedToAccumulateDirtyRegions(root);
+    }
+
+    @Test public void cleanChildNodesOnACleanParentShouldNotContributeToDirtyRegion() {
+        // If I make one of the children dirty, then the child should contribute
+        // to the dirty region, but none of the other nodes should. This test just
+        // checks this second part -- that none of the other child nodes contribute.
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        polluter.pollute(middleChild);
+        for (NGNode child : root.getChildren()) {
+            if (child != middleChild) { // skip the dirty node
+                assertDirtyRegionEquals(child, new RectBounds());
+            }
+        }
+    }
+
+    @Test public void whenOnlyASingleChildIsDirtyThenParentAndAllChildrenAreAskedToAccumulateDirtyRegions() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        polluter.pollute(middleChild);
+        List<NGNode> nodes = new ArrayList<>(root.getChildren());
+        nodes.add(root);
+        NGNode[] arr = new NGNode[nodes.size()];
+        for (int i=0; i<nodes.size(); i++) arr[i] = nodes.get(i);
+        // The middle child should be changed
+        assertOnlyTheseNodesAreAskedToAccumulateDirtyRegions(arr);
+    }
+
+    @Test public void whenOnlyASingleChildIsDirtyThenOnlyParentAndThatChildShouldComputeDirtyRegions() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        polluter.pollute(middleChild);
+        /*
+            Testing discovered a really great thing that happens -- if the dirty node is
+            a group, but it has no dirty child nodes, then the group itself will not end
+            up with accumulateGroupDirtyRegion getting called -- only the node variant.
+            Which makes perfect sense and is something of an optimization.
+         */
+        assertOnlyTheseNodesAreAskedToComputeDirtyRegions(root, middleChild);
+    }
+
+    @Test public void aDirtyChildNodeShouldFormTheDirtyRegionWhenItIsTheOnlyDirtyNode() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        assertDirtyRegionEquals(root, polluter.polluteAndGetExpectedBounds(middleChild));
+    }
+
+    @Test public void theUnionOfTwoDirtyChildNodesDirtyRegionsShouldFormTheDirtyRegionWhenTheyAreTheOnlyDirtyNodes() {
+        NGNode firstChild = root.getChildren().get(0);
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        RectBounds firstChildArea = polluter.polluteAndGetExpectedBounds(firstChild);
+        RectBounds middleChildArea = polluter.polluteAndGetExpectedBounds(middleChild);
+        RectBounds expected = (RectBounds)firstChildArea.deriveWithUnion(middleChildArea);
+        assertDirtyRegionEquals(root, expected);
+    }
+
+    @Test public void whenTheParentIsDirtyAndSomeChildrenAreDirtyTheParentBoundsShouldFormTheDirtyRegion() {
+        BaseBounds original = root.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        translate(root, TRANSLATE_DELTA, TRANSLATE_DELTA);
+        BaseBounds transformed = root.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        polluter.pollute(root.getChildren().get(0));
+        polluter.pollute(root.getChildren().get(root.getChildren().size()/2));
+        polluter.pollute(root.getChildren().get(root.getChildren().size()-1));
+        RectBounds expected = (RectBounds)original.deriveWithUnion(transformed);
+        assertDirtyRegionEquals(root, expected);
+    }
+
+    @Test public void anEffectShouldChangeTheTransformedBoundsOfAChild() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        DropShadow shadow = new DropShadow();
+        shadow.setGaussianWidth(21);
+        shadow.setGaussianHeight(21);
+        shadow.setOffsetX(2);
+        shadow.setOffsetY(2);
+        setEffect(middleChild, shadow);
+        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        assertFalse(newTransformedBounds.equals(oldTransformedBounds));
+    }
+
+    @Test public void whenAnEffectIsSetTheChildBecomesDirtyAndTheDirtyRegionIncludesTheEffectBounds() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        DropShadow shadow = new DropShadow();
+        shadow.setGaussianWidth(21);
+        shadow.setGaussianHeight(21);
+        shadow.setOffsetX(2);
+        shadow.setOffsetY(2);
+        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        setEffect(middleChild, shadow);
+        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        RectBounds expected = (RectBounds)oldTransformedBounds.deriveWithUnion(newTransformedBounds);
+        assertDirtyRegionEquals(root, expected);
+    }
+
+    @Test public void whenAnEffectIsChangedOnTheChildTheDirtyRegionIncludesTheOldAndNewEffectBounds() {
+        NGNode middleChild = root.getChildren().get(root.getChildren().size()/2);
+        DropShadow shadow = new DropShadow();
+        shadow.setGaussianWidth(21);
+        shadow.setGaussianHeight(21);
+        shadow.setOffsetX(2);
+        shadow.setOffsetY(2);
+        BaseBounds oldTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        setEffect(middleChild, shadow);
+        BaseBounds newTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        shadow.setOffsetX(20);
+        shadow.setOffsetY(20);
+        BaseBounds evenNewerTransformedBounds = middleChild.getCompleteBounds(new RectBounds(), BaseTransform.IDENTITY_TRANSFORM);
+        RectBounds expected = (RectBounds)oldTransformedBounds.deriveWithUnion(newTransformedBounds).deriveWithUnion(evenNewerTransformedBounds);
+        assertDirtyRegionEquals(root, expected);
+    }
+
+    // TODO be sure to test changing properties on the node clip. For example, use a rect clip
+    // and change its geometry (RT-26928)
+
+
+    // TODO be sure to write a number of tests regarding the screen clip, and make sure that
+    // I test that accumulating dirty regions is correct in the presence of a clip. (RT-26928)
+}