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diff --git a/src/junit/com/jogamp/common/util/locks/TestSingletonServerSocket02.java b/src/junit/com/jogamp/common/util/locks/TestSingletonServerSocket02.java
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+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.common.util.locks;
+
+import java.io.IOException;
+
+import junit.framework.Assert;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class TestSingletonServerSocket02 {
+    // public static final String SINGLE_INSTANCE_LOCK_FILE = "UITestCase.lock";
+    public static final int SINGLE_INSTANCE_LOCK_PORT = 59999;
+    public static final long SINGLE_INSTANCE_LOCK_TO   = 3*60*1000; // wait up to 3 min
+    public static final long SINGLE_INSTANCE_LOCK_POLL =      1000; // poll every 1s
+    private static volatile SingletonInstance singletonInstance;
+    
+    @BeforeClass
+    public static void oneTimeSetUp() {
+        // one-time initialization code                
+        singletonInstance = SingletonInstance.createServerSocket(SINGLE_INSTANCE_LOCK_POLL, SINGLE_INSTANCE_LOCK_PORT);
+        Assert.assertTrue("Could not lock single instance: "+singletonInstance.getName(), singletonInstance.tryLock(SINGLE_INSTANCE_LOCK_TO));
+    }
+
+    @AfterClass
+    public static void oneTimeTearDown() {
+        System.gc(); // force cleanup
+        singletonInstance.unlock();        
+    }
+    
+    @Test
+    public void dummy() throws InterruptedException {
+        // make junit happy
+    }
+    
+    // @Test(timeout=10) // Only enable manually to test timeout behavior
+    public void testTimeout() throws InterruptedException {
+        Thread.sleep(3000);
+    }
+
+    public static void main(String args[]) throws IOException, InterruptedException {
+        String tstname = TestSingletonServerSocket02.class.getName();
+        org.junit.runner.JUnitCore.main(tstname);
+    }
+}