| /** |
| * Copyright (C) 2006 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.inject; |
| |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| import junit.framework.TestCase; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class ReflectionTest extends TestCase { |
| |
| @Retention(RUNTIME) |
| @BindingAnnotation @interface I {} |
| |
| public void testNormalBinding() throws CreationException { |
| InjectorBuilder builder = new InjectorBuilder(); |
| final Foo foo = new Foo(); |
| |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(Foo.class).toInstance(foo); |
| } |
| }); |
| |
| Binding<Foo> fooBinding = injector.getBinding(Key.get(Foo.class)); |
| assertSame(foo, fooBinding.getProvider().get()); |
| assertNotNull(fooBinding.getSource()); |
| assertEquals(Key.get(Foo.class), fooBinding.getKey()); |
| } |
| |
| public void testConstantBinding() throws CreationException { |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bindConstant().annotatedWith(I.class).to(5); |
| } |
| }); |
| |
| Binding<?> i = injector.getBinding(Key.get(int.class, I.class)); |
| assertEquals(5, i.getProvider().get()); |
| assertNotNull(i.getSource()); |
| assertEquals(Key.get(int.class, I.class), i.getKey()); |
| } |
| |
| public void testLinkedBinding() throws CreationException { |
| InjectorBuilder builder = new InjectorBuilder(); |
| final Bar bar = new Bar(); |
| |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(Bar.class).toInstance(bar); |
| bind(Key.get(Foo.class)).to(Key.get(Bar.class)); |
| } |
| }); |
| |
| Binding<Foo> fooBinding = injector.getBinding(Key.get(Foo.class)); |
| assertSame(bar, fooBinding.getProvider().get()); |
| assertNotNull(fooBinding.getSource()); |
| assertEquals(Key.get(Foo.class), fooBinding.getKey()); |
| } |
| |
| static class Foo {} |
| |
| static class Bar extends Foo {} |
| } |