| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.myfaces.extensions.scripting.sandbox; |
| |
| import junit.framework.TestCase; |
| import org.apache.myfaces.extensions.scripting.sandbox.loader.support.OverridingClassLoader; |
| |
| /** |
| * <p>Test class for the class |
| * <code>org.apache.myfaces.extensions.scripting.sandbox.loader.support.OverridingClassLoader</code></p> |
| */ |
| public class OverridingClassLoaderTest extends TestCase { |
| |
| // ------------------------------------------ Test methods |
| |
| /** |
| * <p>Tests whether it is possible to override class definitions using the OverridingClassLoader, |
| * i.e. it tests if you can produce multiple different Class objects using different class loaders |
| * (which is not really a surprising thing at all).</p> |
| * |
| * @throws Exception if an unexpected error occurs |
| */ |
| public void testOverrideClass() throws Exception { |
| ClassLoader classLoader = new OverridingClassLoader( |
| Dummy.class.getName(), OverridingClassLoaderTest.class.getClassLoader()); |
| |
| Class dummyClass = classLoader.loadClass(Dummy.class.getName()); |
| assertNotSame("The OverridingClassLoader didn't return a different Class instance.", |
| Dummy.class, dummyClass); |
| |
| // .. and another time |
| classLoader = new OverridingClassLoader(Dummy.class.getName(), classLoader); |
| Class secondDummyClass = classLoader.loadClass(Dummy.class.getName()); |
| assertNotSame("The OverridingClassLoader didn't return a different Class instance.", |
| Dummy.class, secondDummyClass); |
| assertNotSame("The OverridingClassLoader didn't return a different Class instance.", |
| dummyClass, secondDummyClass); |
| } |
| |
| /** |
| * <p>Tests whether the OverridingClassLoader delegates the parent class loader correctly.</p> |
| * |
| * @throws Exception if an unexpected error occurs |
| */ |
| public void testOverrideDifferentClass() throws Exception { |
| ClassLoader classLoader = new OverridingClassLoader( |
| Dummy.class.getName(), OverridingClassLoaderTest.class.getClassLoader()); |
| assertSame("The OverridingClassLoader replaced a Class instance that he wasn't supposed to replace.", |
| Object.class, classLoader.loadClass("java.lang.Object")); |
| } |
| |
| // ------------------------------------------ Dummy classes |
| |
| /** |
| * <p>This class will be reloaded in some test cases.</p> |
| */ |
| private static class Dummy { |
| |
| } |
| |
| } |