1/* 2 * Copyright (C) 2009 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 17package com.google.common.util.concurrent; 18 19import junit.framework.TestCase; 20 21/** 22 * Tests for {@link ForwardingListenableFuture}. 23 * 24 * @author Shardul Deo 25 */ 26public class ForwardingListenableFutureTest extends TestCase { 27 28 private SettableFuture<String> delegate; 29 private ListenableFuture<String> forwardingFuture; 30 31 private ListenableFutureTester tester; 32 33 @Override 34 protected void setUp() throws Exception { 35 super.setUp(); 36 37 delegate = SettableFuture.create(); 38 forwardingFuture = new ForwardingListenableFuture<String>() { 39 @Override 40 protected ListenableFuture<String> delegate() { 41 return delegate; 42 } 43 }; 44 tester = new ListenableFutureTester(forwardingFuture); 45 tester.setUp(); 46 } 47 48 @Override 49 protected void tearDown() throws Exception { 50 tester.tearDown(); 51 super.tearDown(); 52 } 53 54 public void testCompletedFuture() throws Exception { 55 delegate.set("foo"); 56 tester.testCompletedFuture("foo"); 57 } 58 59 public void testCancelledFuture() throws Exception { 60 delegate.cancel(true); // parameter is ignored 61 tester.testCancelledFuture(); 62 } 63 64 public void testFailedFuture() throws Exception { 65 delegate.setException(new Exception("failed")); 66 tester.testFailedFuture("failed"); 67 } 68} 69