--- /dev/null	2015-09-11 11:06:08.592686920 -0400
+++ new/modules/graphics/src/test/java/test/com/sun/javafx/geom/DirtyRegionContainerTest.java	2015-09-11 21:23:54.633287324 -0400
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2011, 2013, 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.geom;
+
+import com.sun.javafx.geom.DirtyRegionContainer;
+import com.sun.javafx.geom.RectBounds;
+import junit.framework.Assert;
+import org.junit.Test;
+
+public class DirtyRegionContainerTest {
+
+    static RectBounds[] nonIntersecting_3_Regions = new RectBounds[] {
+            new RectBounds(0, 0, 20, 20),
+            new RectBounds(25, 25, 50, 50),
+            new RectBounds(60, 60, 100, 100)            
+        };
+
+    @Test
+    public void test_maxSpace() {
+        DirtyRegionContainer drc = new DirtyRegionContainer(10);
+        Assert.assertEquals(10, drc.maxSpace());
+    }
+
+    @Test
+    public void test_size() {
+        DirtyRegionContainer drc = new DirtyRegionContainer(5);
+        drc.deriveWithNewRegions(nonIntersecting_3_Regions);
+        Assert.assertEquals(3, drc.size());
+    }
+
+    @Test
+    public void test_deriveWithNewBounds() {
+        DirtyRegionContainer drc = new DirtyRegionContainer(5);
+        drc.deriveWithNewRegions(nonIntersecting_3_Regions);
+        for (int i = 0; i < drc.size(); i++) {
+            RectBounds rb = drc.getDirtyRegion(i);
+            Assert.assertEquals(nonIntersecting_3_Regions[i], rb);
+        }
+    }
+
+    @Test
+    public void test_deriveWithNewBounds_null() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        drc.deriveWithNewRegions(null);
+        for (int i = 0; i < drc.size(); i++) {
+            RectBounds rb = drc.getDirtyRegion(i);
+            Assert.assertEquals(nonIntersecting_3_Regions[i], rb);
+        }
+    }
+
+    @Test
+    public void test_deriveWithNewBounds_zero_length () {
+        DirtyRegionContainer drc = getDRC_initialized();
+        drc.deriveWithNewRegions(new RectBounds[]{});
+        for (int i = 0; i < drc.size(); i++) {
+            RectBounds rb = drc.getDirtyRegion(i);
+            Assert.assertEquals(nonIntersecting_3_Regions[i], rb);
+        }
+    }
+
+    @Test
+    public void test_deriveWithNewBounds_biger_length () {
+        DirtyRegionContainer drc = getDRC_initialized();
+        RectBounds[] arry = new RectBounds[]{
+            new RectBounds(1, 1, 10, 10),
+            new RectBounds(15, 15, 50, 50),
+            new RectBounds(60, 60, 100, 100),
+            new RectBounds(110, 110, 200, 200)
+        };
+        drc.deriveWithNewRegions(arry);
+        for (int i = 0; i < drc.size(); i++) {
+            RectBounds rb = drc.getDirtyRegion(i);
+            Assert.assertEquals(arry[i], rb);
+        }
+    }
+
+    @Test
+    public void test_copy() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        DirtyRegionContainer copyDrc = drc.copy();
+        Assert.assertTrue(copyDrc != drc);
+        Assert.assertEquals(copyDrc, drc);
+    }
+
+    @Test
+    public void test_getDirtyRegion() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        RectBounds dr = drc.getDirtyRegion(1);
+        Assert.assertEquals(new RectBounds(25, 25, 50, 50), dr);
+    }
+
+    @Test (expected=ArrayIndexOutOfBoundsException.class)
+    public void test_getDirtyRegion_AIOOBE() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        RectBounds dr = drc.getDirtyRegion(10);
+        Assert.fail("Expected AIOOBE");
+    }
+
+    @Test
+    public void test_addDirtyRegion_non_intersecting() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        RectBounds newregion = new RectBounds(150, 150, 200, 200);
+        drc.addDirtyRegion(newregion);
+
+        Assert.assertEquals(4, drc.size());
+        for(int i = 0; i < drc.size() - 1; i++) {
+            Assert.assertEquals(nonIntersecting_3_Regions[i], (drc.getDirtyRegion(i)));
+        }
+        Assert.assertEquals(drc.getDirtyRegion(drc.size() - 1), newregion);
+    }
+
+    @Test
+    public void test_addDirtyRegion_has_space_intersect_once() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        
+        drc.addDirtyRegion(new RectBounds(10, 10, 22, 15));
+
+        Assert.assertEquals(3, drc.size());
+        Assert.assertEquals(new RectBounds(60, 60, 100, 100), drc.getDirtyRegion(0));
+        Assert.assertEquals(new RectBounds(25, 25, 50, 50), drc.getDirtyRegion(1));
+        Assert.assertEquals(new RectBounds(0, 0, 22, 20), drc.getDirtyRegion(2));
+    }
+
+    @Test
+    public void test_addDirtyRegion_has_space_intersect_twice() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        
+        drc.addDirtyRegion(new RectBounds(10, 10, 40, 40));
+
+        Assert.assertEquals(2, drc.size());
+        Assert.assertEquals(new RectBounds(60, 60, 100, 100), drc.getDirtyRegion(0));
+        Assert.assertEquals(new RectBounds(0, 0, 50, 50), drc.getDirtyRegion(1));
+    }
+
+    @Test
+    public void test_addDirtyRegion_has_space_intersect_all() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        drc.addDirtyRegion(new RectBounds(10, 10, 80, 80));
+
+        Assert.assertEquals(1, drc.size());
+        Assert.assertEquals(new RectBounds(0, 0, 100, 100), drc.getDirtyRegion(0));
+    }
+
+    @Test
+    public void test_addDirtyRegion_no_space_intersect_once() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        drc.addDirtyRegion(new RectBounds(120, 120, 150, 150));
+
+        drc.addDirtyRegion(new RectBounds(10, 10, 22, 15));
+
+        Assert.assertEquals(4, drc.size());
+        Assert.assertEquals(new RectBounds(120, 120, 150, 150), drc.getDirtyRegion(0));        
+        Assert.assertEquals(new RectBounds(25, 25, 50, 50), drc.getDirtyRegion(1));
+        Assert.assertEquals(new RectBounds(60, 60, 100, 100), drc.getDirtyRegion(2));
+        Assert.assertEquals(new RectBounds(0, 0, 22, 20), drc.getDirtyRegion(3));
+    }
+
+    @Test
+    public void test_addDirtyRegion_no_space_intersect_twice() {
+        DirtyRegionContainer drc = getDRC_initialized();
+        drc.addDirtyRegion(new RectBounds(120, 120, 150, 150));
+
+        drc.addDirtyRegion(new RectBounds(10, 10, 40, 40));
+
+        Assert.assertEquals(3, drc.size());
+        Assert.assertEquals(new RectBounds(120, 120, 150, 150), drc.getDirtyRegion(0));
+        Assert.assertEquals(new RectBounds(60, 60, 100, 100), drc.getDirtyRegion(1));
+        Assert.assertEquals(new RectBounds(0, 0, 50, 50), drc.getDirtyRegion(2));
+    }
+
+    private DirtyRegionContainer getDRC_initialized() {
+        DirtyRegionContainer drc = new DirtyRegionContainer(4);
+        return drc.deriveWithNewRegions(nonIntersecting_3_Regions);
+    }
+}