01: /**
02: * Copyright (C) 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: */package com.google.inject;
16:
17: import junit.framework.TestCase;
18:
19: /**
20: * @author crazybob@google.com (Bob Lee)
21: */
22: public class NotRequiredTest extends TestCase {
23:
24: public void testProvided() throws CreationException {
25: BinderImpl builder = new BinderImpl();
26: builder.bind(Bar.class).to(BarImpl.class);
27: Injector c = builder.createInjector();
28: Foo foo = c.getInstance(Foo.class);
29: assertNotNull(foo.bar);
30: assertNotNull(foo.fromMethod);
31: }
32:
33: public void testNotProvided() throws CreationException {
34: Injector c = Guice.createInjector(new AbstractModule() {
35: protected void configure() {
36: bind(Foo.class);
37: }
38: });
39: Foo foo = c.getInstance(Foo.class);
40: assertNull(foo.bar);
41: assertNull(foo.fromMethod);
42: }
43:
44: static class Foo {
45: @Inject(optional=true)
46: Bar bar;
47:
48: Bar fromMethod;
49:
50: @Inject(optional=true)
51: void setBar(Bar bar) {
52: fromMethod = bar;
53: }
54: }
55:
56: interface Bar {
57: }
58:
59: static class BarImpl implements Bar {
60: }
61: }
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