| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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 libcore.java.lang.reflect; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| import junit.framework.TestCase; |
| import tests.util.ClassLoaderBuilder; |
| |
| public final class ProxyTest extends TestCase { |
| |
| /** |
| * Make sure the proxy's class loader fails if it cannot see the class |
| * loaders of its implemented interfaces. http://b/1608481 |
| */ |
| public void testClassLoaderMustSeeImplementedInterfaces() throws Exception { |
| String prefix = ProxyTest.class.getName(); |
| ClassLoader loaderA = new ClassLoaderBuilder().withPrivateCopy(prefix).build(); |
| ClassLoader loaderB = new ClassLoaderBuilder().withPrivateCopy(prefix).build(); |
| |
| Class[] interfacesA = { loaderA.loadClass(prefix + "$Echo") }; |
| try { |
| Proxy.newProxyInstance(loaderB, interfacesA, new TestInvocationHandler()); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| public void testClassLoaderDoesNotNeedToSeeInvocationHandlerLoader() throws Exception { |
| String prefix = ProxyTest.class.getName(); |
| ClassLoader loaderA = new ClassLoaderBuilder().withPrivateCopy(prefix).build(); |
| ClassLoader loaderB = new ClassLoaderBuilder().withPrivateCopy(prefix).build(); |
| InvocationHandler invocationHandlerB = (InvocationHandler) loaderB.loadClass( |
| prefix + "$TestInvocationHandler").newInstance(); |
| |
| Class[] interfacesA = { loaderA.loadClass(prefix + "$Echo") }; |
| Object proxy = Proxy.newProxyInstance(loaderA, interfacesA, invocationHandlerB); |
| assertEquals(loaderA, proxy.getClass().getClassLoader()); |
| assertEquals("foo", proxy.getClass().getMethod("echo", String.class).invoke(proxy, "foo")); |
| } |
| |
| public interface Echo { |
| String echo(String s); |
| } |
| |
| public static class TestInvocationHandler implements InvocationHandler { |
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| return args[0]; |
| } |
| } |
| } |