1 files changed, 171 insertions, 0 deletions
diff --git a/engine/src/test/jme3test/asset/TestAssetCache.java b/engine/src/test/jme3test/asset/TestAssetCache.java
new file mode 100644
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+++ b/engine/src/test/jme3test/asset/TestAssetCache.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2009-2010 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.asset;
+
+import com.jme3.asset.Asset;
+import com.jme3.asset.AssetCache;
+import com.jme3.asset.AssetKey;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TestAssetCache {
+    
+    /**
+     * Keep references to loaded assets
+     */
+    private final static boolean KEEP_REFERENCES = false;
+    
+    /**
+     * Enable smart cache use
+     */
+    private final static boolean USE_SMART_CACHE = true;
+    
+    /**
+     * Enable cloneable asset use
+     */
+    private final static boolean CLONEABLE_ASSET = true;
+
+    private static int counter = 0;
+    
+    private static class DummyData implements Asset {
+
+        private AssetKey key;
+        private byte[] data = new byte[10000];
+
+        public byte[] getData(){
+            return data;
+        }
+        
+        public AssetKey getKey() {
+            return key;
+        }
+
+        public void setKey(AssetKey key) {
+            this.key = key;
+        }
+    }
+    
+    private static class SmartKey extends AssetKey {
+        
+        public SmartKey(){
+            super(".");
+            counter++;
+        }
+        
+        @Override
+        public int hashCode(){
+            return 0;
+        }
+        
+        @Override
+        public boolean equals(Object other){
+            return false;
+        }
+        
+        @Override
+        public boolean useSmartCache(){
+            return true;
+        }
+        
+        @Override
+        public Object createClonedInstance(Object asset){
+            DummyData data = new DummyData();
+            return data;
+        }
+    }
+    
+    private static class DumbKey extends AssetKey {
+        
+        public DumbKey(){
+            super(".");
+            counter++;
+        }
+        
+        @Override
+        public int hashCode(){
+            return 0;
+        }
+        
+        @Override
+        public boolean equals(Object other){
+            return false;
+        }
+        
+        @Override
+        public Object createClonedInstance(Object asset){
+            if (CLONEABLE_ASSET){
+                DummyData data = new DummyData();
+                return data;
+            }else{
+                return asset;
+            }
+        }
+    }
+    
+    public static void main(String[] args){
+        List<Object> refs = new ArrayList<Object>(5000);
+        
+        AssetCache cache = new AssetCache();
+        
+        System.gc();
+        System.gc();
+        System.gc();
+        System.gc();
+        
+        long memory = Runtime.getRuntime().freeMemory();
+        
+        while (true){
+            AssetKey key;
+            
+            if (USE_SMART_CACHE){
+                key = new SmartKey();
+            }else{
+                key = new DumbKey();
+            }
+            
+            DummyData data = new DummyData();
+            cache.addToCache(key, data);
+            
+            if (KEEP_REFERENCES){
+                refs.add(data);
+            }
+            
+            if ((counter % 100) == 0){
+                long newMem = Runtime.getRuntime().freeMemory();
+                System.out.println("Allocated objects: " + counter);
+                System.out.println("Allocated memory: " + ((memory - newMem)/1024) + "K" );
+                memory = newMem;
+            }
+        }
+    }
+}