| /** |
| * 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.util.Arrays; |
| import java.util.List; |
| import junit.framework.TestCase; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class GenericInjectionTest extends TestCase { |
| |
| public void testGenericInjection() throws CreationException { |
| final List<String> names = Arrays.asList("foo", "bar", "bob"); |
| |
| Injector injector = Guice.createInjector((Module) new AbstractModule() { |
| protected void configure() { |
| bind(new TypeLiteral<List<String>>() {}).toInstance(names); |
| } |
| }); |
| |
| Foo foo = injector.getInstance(Foo.class); |
| assertEquals(names, foo.names); |
| } |
| |
| static class Foo { |
| @Inject List<String> names; |
| } |
| |
| /** |
| * Although we may not have intended to support this behaviour, this test |
| * passes under Guice 1.0. The workaround is to add an explicit binding for |
| * the parameterized type. See {@link #testExplicitBindingOfGenericType()}. |
| */ |
| public void testImplicitBindingOfGenericType() { |
| Parameterized<String> parameterized |
| = Guice.createInjector().getInstance(Key.get(new TypeLiteral<Parameterized<String>>() {})); |
| assertNotNull(parameterized); |
| } |
| |
| public void testExplicitBindingOfGenericType() { |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(Key.get(new TypeLiteral<Parameterized<String>>() {})) |
| .to((Class) Parameterized.class); |
| } |
| }); |
| |
| Parameterized<String> parameterized |
| = injector.getInstance(Key.get(new TypeLiteral<Parameterized<String>>() { })); |
| assertNotNull(parameterized); |
| } |
| |
| static class Parameterized<T> { |
| @Inject |
| Parameterized() { } |
| } |
| } |