inactive test case for Classloader repository sharing

weaver/testsrc/org/aspectj/weaver/bcel/ClassLoaderRepositoryTests.java

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+/* *******************************************************************
+ * Copyright (c) 2006 Contributors
+ * All rights reserved. 
+ * This program and the accompanying materials are made available 
+ * under the terms of the Eclipse Public License v1.0 
+ * which accompanies this distribution and is available at 
+ * http://www.eclipse.org/legal/epl-v10.html 
+ *  
+ * Contributors: 
+ *     Andy Clement     initial implementation 
+ * ******************************************************************/
+
+
+package org.aspectj.weaver.bcel;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import junit.framework.TestCase;
+
+import org.aspectj.apache.bcel.util.ClassLoaderRepository;
+
+/** NOT YET INCLUDED IN A FULL TEST RUN - WORK IN PROGRESS CHECKING CLASSLOADERREPOSITORY OPTIMIZATIONS */
+public class ClassLoaderRepositoryTests extends TestCase {
+
+	 public void testRepositorySharing() throws  Exception {
+    	ClassLoaderRepository.useSharedCache=false;
+    	File f = new File("../lib/aspectj/lib/aspectjtools.jar");
+    	ClassLoader cl = Thread.currentThread().getContextClassLoader();
+		ClassLoader cl1 = new URLClassLoader(new URL[]{f.toURL()},cl);
+		ClassLoader cl2 = new URLClassLoader(new URL[]{f.toURL()},cl);
+		ClassLoaderRepository rep1 = new ClassLoaderRepository(cl1);
+		ClassLoaderRepository rep2 = new ClassLoaderRepository(cl2);
+		try {
+			assertTrue("Couldnt find aspectjtools to test.  Tried: "+f.getAbsolutePath(),f.exists());
+			ZipFile zf = new ZipFile(f);
+			int i = 0;
+			Enumeration entries = zf.entries();
+			while (entries.hasMoreElements()) {
+				ZipEntry zfe = (ZipEntry)entries.nextElement();
+				String classfileName = zfe.getName();
+				if (classfileName.endsWith(".class")) {
+					String clazzname = classfileName.substring(0,classfileName.length()-6).replace('/','.');
+					
+					// twice by each
+					rep1.loadClass(clazzname);
+					rep1.loadClass(clazzname);
+					rep2.loadClass(clazzname);  
+					rep2.loadClass(clazzname);  
+					i++;
+				}
+			}
+			System.err.println("Successfully compared "+i+" entries!!");
+		} catch (IOException e) {
+			e.printStackTrace();
+			fail(e.getMessage());
+		}
+		System.err.println(rep1.reportAllStatistics());
+		System.err.println(rep2.reportAllStatistics());
+    }
+    
+	 
+	
+}