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Commons Beanutils example source code file (ClassReloaderTestCase.java)
The Commons Beanutils ClassReloaderTestCase.java source code/* * 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.commons.beanutils.converters; import junit.framework.TestCase; import junit.framework.TestSuite; /** * Tests for the ClassReloader utility class. */ public class ClassReloaderTestCase extends TestCase { // ------------------------------------------------------------------------ public ClassReloaderTestCase(String name) { super(name); } public static TestSuite suite() { return new TestSuite(ClassReloaderTestCase.class); } // ------------------------------------------------------------------------ public static class DummyClass { } /** * Test basic operation of the ClassReloader. */ public void testBasicOperation() throws Exception { ClassLoader sharedLoader = this.getClass().getClassLoader(); ClassReloader componentLoader = new ClassReloader(sharedLoader); Class sharedClass = DummyClass.class; Class componentClass = componentLoader.reload(sharedClass); // the two Class objects contain the same bytecode, but are not equal assertTrue(sharedClass != componentClass); // the two class objects have different classloaders assertSame(sharedLoader, sharedClass.getClassLoader()); assertSame(componentLoader, componentClass.getClassLoader()); assertTrue(sharedLoader != componentLoader); // verify that objects of these two types are not assignment-compatible Object obj1 = sharedClass.newInstance(); Object obj2 = componentClass.newInstance(); assertTrue("Obj1 class incorrect", sharedClass.isInstance(obj1)); assertFalse("Obj1 class incorrect", componentClass.isInstance(obj1)); assertFalse("Obj2 class incorrect", sharedClass.isInstance(obj2)); assertTrue("Obj2 class incorrect", componentClass.isInstance(obj2)); } } Other Commons Beanutils examples (source code examples)Here is a short list of links related to this Commons Beanutils ClassReloaderTestCase.java source code file: |
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