1 /* ====================================================================
2 * The Apache Software License, Version 1.1
4 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
26 * 4. The names "Apache" and "Apache Software Foundation" and
27 * "Apache BCEL" must not be used to endorse or promote products
28 * derived from this software without prior written permission. For
29 * written permission, please contact apache@apache.org.
31 * 5. Products derived from this software may not be called "Apache",
32 * "Apache BCEL", nor may "Apache" appear in their name, without
33 * prior written permission of the Apache Software Foundation.
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * ====================================================================
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>.
55 package org.aspectj.apache.bcel.classfile.tests;
57 import java.util.ArrayList;
58 import java.util.List;
60 import junit.framework.TestCase;
62 import org.aspectj.apache.bcel.classfile.JavaClass;
63 import org.aspectj.apache.bcel.util.NonCachingClassLoaderRepository;
66 * @author Kristian Rosenvold
68 public class NonCachingClassLoaderRepositoryTest extends TestCase {
70 private final NonCachingClassLoaderRepository nonCachingClassLoaderRepository = new NonCachingClassLoaderRepository(
71 NonCachingClassLoaderRepositoryTest.class.getClassLoader());
73 protected void setUp() throws Exception {
77 abstract class DoneChecker implements Runnable {
78 private volatile boolean success = false;
79 private volatile boolean done = false;
81 public boolean isSuccess() {
85 public boolean isDone() {
89 protected void setDone(boolean successFully) {
90 success = successFully;
94 public abstract void run();
97 class Loader extends DoneChecker implements Runnable {
100 JavaClass javaClass = nonCachingClassLoaderRepository.loadClass(NonCachingClassLoaderRepositoryTest.class
101 .getCanonicalName());
102 nonCachingClassLoaderRepository.clear();
104 } catch (Throwable e) {
105 e.printStackTrace(System.out);
111 class Clearer extends DoneChecker implements Runnable {
114 nonCachingClassLoaderRepository.clear();
116 } catch (Throwable e) {
117 e.printStackTrace(System.out);
123 public void testConcurrency() throws ClassNotFoundException, InterruptedException {
124 List loaders = new ArrayList();
126 for (int i = 0; i < i1; i++) {
127 DoneChecker loader = new Loader();
129 new Thread(loader).start();
130 DoneChecker clearer = new Clearer();
131 loaders.add(clearer);
132 new Thread(clearer).start();
135 for (int i = 0; i < i1 * 2; i++) {
136 DoneChecker loader = (DoneChecker) loaders.get(i);
137 while (!loader.isDone()) {
140 assertTrue("Loader " + i + " is supposed to run successfully", loader.isSuccess());
145 protected void tearDown() throws Exception {