/*
* Copyright 2009 Torsten Juergeleit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.exolab.castor.xml.util;
import junit.framework.Assert;
import org.castor.xml.AbstractInternalContext;
import org.easymock.EasyMock;
import org.exolab.castor.xml.ResolverException;
import org.exolab.castor.xml.XMLClassDescriptor;
import org.junit.Test;
import edu.umd.cs.mtc.MultithreadedTestCase;
import edu.umd.cs.mtc.TestFramework;
/**
* Test case for thread safetyness of {@link XMLClassDescriptorResolverImpl}.
* <p><b>Only useful on multi-core systems!!!</b></p>
*
* @author Torsten Juergeleit
* @since 1.3.1
*/
public class XMLClassDescriptorResolverImplThreadSafetyTest extends MultithreadedTestCase {
private XMLClassDescriptorResolverImpl resolver;
@Override
public void initialize() {
AbstractInternalContext internalContext = new AbstractInternalContext() { };
internalContext.setClassLoader(getClass().getClassLoader());
ResolverStrategy strategy = new AbstractResolverStrategy() {
public XMLClassDescriptor createDescriptor(String className) {
return createMockDescriptor(className);
}
};
internalContext.setResolverStrategy(strategy);
resolver = new XMLClassDescriptorResolverImpl();
resolver.setInternalContext(internalContext);
resolver.setResolverStrategy(strategy);
resolver.setUseIntrospection(false);
internalContext.setXMLClassDescriptorResolver(resolver);
}
public void thread1() throws Throwable {
waitForTick(3);
resolveClass("Test1");
resolveClass("Test1");
resolveClass("Test11");
resolveClass("Test11");
resolveClass("Test111");
resolveClass("Test111");
}
public void thread2() throws Throwable {
waitForTick(3);
resolveClass("Test2");
resolveClass("Test2");
resolveClass("Test22");
resolveClass("Test22");
resolveClass("Test222");
resolveClass("Test222");
}
public void thread3() throws Throwable {
waitForTick(3);
resolveClass("Test3");
resolveClass("Test3");
resolveClass("Test33");
resolveClass("Test33");
resolveClass("Test333");
resolveClass("Test333");
}
public void thread4() throws Throwable {
waitForTick(3);
resolveClass("Test4");
resolveClass("Test4");
resolveClass("Test44");
resolveClass("Test44");
resolveClass("Test444");
resolveClass("Test444");
}
public void thread5() throws Throwable {
waitForTick(3);
resolveClass("Test5");
resolveClass("Test5");
resolveClass("Test55");
resolveClass("Test55");
resolveClass("Test5555");
resolveClass("Test5555");
}
private void resolveClass(final String className) throws ResolverException {
XMLClassDescriptor descriptor = resolver.resolve(className);
Assert.assertNotNull("Descriptor '" + className + "' not resolved", descriptor);
Assert.assertEquals(className, descriptor.getXMLName());
}
@Override
public void finish() {
Thread thread = getThreadByName("thread1");
assertNotNull(thread);
assertFalse(thread.isAlive());
thread = getThreadByName("thread2");
assertNotNull(thread);
assertFalse(thread.isAlive());
thread = getThreadByName("thread3");
assertNotNull(thread);
assertFalse(thread.isAlive());
thread = getThreadByName("thread4");
assertNotNull(thread);
assertFalse(thread.isAlive());
thread = getThreadByName("thread5");
assertNotNull(thread);
assertFalse(thread.isAlive());
}
@Test
public void testCDR() throws Throwable {
TestFramework.runManyTimes(new XMLClassDescriptorResolverImplThreadSafetyTest(), 100);
}
private XMLClassDescriptor createMockDescriptor(String className) {
XMLClassDescriptor descriptor = EasyMock.createMock(className,
XMLClassDescriptor.class);
EasyMock.expect(descriptor.getXMLName()).andReturn(className)
.anyTimes();
EasyMock.makeThreadSafe(descriptor, true);
EasyMock.replay(descriptor);
return descriptor;
}
}