* Added test to demonstrate what happens to a deleted texture when trying to use it with OpenGL

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10545 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/test/jme3test/app/TestUseAfterFree.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2009-2012 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3test.app;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.material.Material;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.shape.Box;
+import com.jme3.texture.Texture;
+import com.jme3.util.BufferUtils;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class TestUseAfterFree extends SimpleApplication {
+
+    private float time = 0;
+    private Material mat;
+    private Texture deletedTex;
+    
+    public static void main(String[] args) {
+        TestUseAfterFree app = new TestUseAfterFree();
+        app.start();
+    }
+
+    @Override
+    public void simpleInitApp() {
+        Box box = new Box(1, 1, 1);
+        Geometry geom = new Geometry("Box", box);
+        mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
+        geom.setMaterial(mat);
+        rootNode.attachChild(geom);
+    }
+    
+    @Override
+    public void simpleUpdate(float tpf) {
+        if (time < 0) {
+            if (deletedTex != null) {
+                deletedTex.getImage().resetObject();
+            }
+            return;
+        }
+        
+        time += tpf;
+        if (time > 5) {
+            System.out.println("Assiging texture to deleted object!");
+            
+            deletedTex = assetManager.loadTexture("Interface/Logo/Monkey.png");
+            BufferUtils.destroyDirectBuffer(deletedTex.getImage().getData(0));
+            mat.setTexture("ColorMap", deletedTex);
+            
+            time = -1;
+        }
+    }
+}