1 /* 2 * Copyright (C) 2012 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.util.concurrent; 18 19 import com.google.common.collect.ForwardingObject; 20 21 import junit.framework.TestCase; 22 23 /** 24 * Tests for {@link ForwardingObjectTester}. 25 * 26 * @author Ben Yu 27 */ 28 public class ForwardingObjectTesterTest extends TestCase { 29 30 public void testFailsToForward() { 31 try { 32 ForwardingObjectTester.testForwardingObject(FailToForward.class); 33 } catch (AssertionError expected) { 34 return; 35 } 36 fail("Should have thrown"); 37 } 38 39 public void testSuccessfulForwarding() { 40 ForwardingObjectTester.testForwardingObject(ForwardToDelegate.class); 41 } 42 43 private static abstract class FailToForward extends ForwardingObject implements Runnable { 44 @Override public void run() {} 45 } 46 47 private static abstract class ForwardToDelegate extends ForwardingObject implements Runnable { 48 @Override public void run() { 49 delegate().run(); 50 } 51 @Override protected abstract Runnable delegate(); 52 } 53 } 54
