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Java > Open Source Codes > com > google > inject > ScopesTest


1 /**
2  * Copyright (C) 2006 Google Inc.
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.inject;
18
19 import junit.framework.TestCase;
20
21 /**
22  * @author crazybob@google.com (Bob Lee)
23  */
24 public class ScopesTest extends TestCase {
25
26   public void testSingletonAnnotation() throws CreationException {
27     BinderImpl binder = new BinderImpl();
28     BindingBuilderImpl<SampleSingleton> bindingBuilder
29         = binder.bind(SampleSingleton.class);
30     binder.createInjector();
31   }
32
33   @Singleton
34   static class SampleSingleton {}
35
36   Scope scope = new Scope() {
37     public <T> Provider<T> scope(Key<T> key, Provider<T> unscoped) {
38       return unscoped;
39     }
40   };
41
42   public void testOverriddingAnnotation()
43       throws CreationException {
44     BinderImpl builder = new BinderImpl();
45     BindingBuilderImpl<SampleSingleton> bindingBuilder
46         = builder.bind(SampleSingleton.class);
47     bindingBuilder.in(scope);
48     builder.createInjector();
49     assertSame(scope, bindingBuilder.scope);
50   }
51 }
52
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