1 /*
2  * Copyright (C) 2007 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.collect;
18 
19 import com.google.common.testing.EqualsTester;
20 import java.util.Set;
21 import junit.framework.TestCase;
22 
23 /**
24  * Tests for {@code ForwardingObject}.
25  *
26  * @author Mike Bostock
27  */
28 public class ForwardingObjectTest extends TestCase {
29 
testEqualsReflexive()30   public void testEqualsReflexive() {
31     final Object delegate = new Object();
32     ForwardingObject forward =
33         new ForwardingObject() {
34           @Override
35           protected Object delegate() {
36             return delegate;
37           }
38         };
39     new EqualsTester().addEqualityGroup(forward).testEquals();
40   }
41 
testEqualsSymmetric()42   public void testEqualsSymmetric() {
43     final Set<String> delegate = Sets.newHashSet("foo");
44     ForwardingObject forward =
45         new ForwardingObject() {
46           @Override
47           protected Object delegate() {
48             return delegate;
49           }
50         };
51     assertEquals(forward.equals(delegate), delegate.equals(forward));
52   }
53 }
54