1 /* 2 * Copyright (C) 2021 The Dagger 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 dagger.functional.binds; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import dagger.Binds; 22 import dagger.Component; 23 import dagger.Module; 24 import javax.inject.Inject; 25 import javax.inject.Provider; 26 import javax.inject.Singleton; 27 import org.junit.Test; 28 import org.junit.runner.RunWith; 29 import org.junit.runners.JUnit4; 30 31 @RunWith(JUnit4.class) 32 public class ScopedBindsTest { 33 interface Foo {} 34 35 static final class FooImpl implements Foo { FooImpl()36 @Inject FooImpl() {} 37 } 38 39 @Module 40 interface FooModule { 41 @Binds 42 @Singleton bindFoo(FooImpl impl)43 Foo bindFoo(FooImpl impl); 44 } 45 46 @Component(modules = FooModule.class) 47 @Singleton 48 interface TestComponent { foo()49 Foo foo(); 50 fooProvider()51 Provider<Foo> fooProvider(); 52 } 53 54 @Test fooVsFooProvider_sameInstanceTest()55 public void fooVsFooProvider_sameInstanceTest() { 56 TestComponent component = DaggerScopedBindsTest_TestComponent.create(); 57 58 // These should be the same instance because Foo is scoped 59 assertThat(component.foo()).isSameInstanceAs(component.fooProvider().get()); 60 } 61 } 62