1 /* 2 * Copyright (C) 2024 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.multibindings; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import dagger.Component; 22 import dagger.Module; 23 import dagger.Provides; 24 import dagger.multibindings.IntoMap; 25 import dagger.multibindings.LazyClassKey; 26 import java.util.Map; 27 import javax.inject.Provider; 28 import javax.inject.Singleton; 29 import org.junit.Test; 30 import org.junit.runner.RunWith; 31 import org.junit.runners.JUnit4; 32 33 @RunWith(JUnit4.class) 34 public final class LazyClassKeyWithGenericsTest { 35 @Component(modules = TestModule.class) 36 @Singleton 37 interface TestComponent { map()38 Map<Class<?>, String> map(); 39 intMap()40 Provider<Map<Class<?>, Provider<Integer>>> intMap(); 41 } 42 43 @Module 44 interface TestModule { 45 @Provides 46 @IntoMap 47 @LazyClassKey(Thing.class) provideThingValue()48 static String provideThingValue() { 49 return "Thing"; 50 } 51 52 @Provides 53 @IntoMap 54 @LazyClassKey(GenericThing.class) provideGenericThingValue()55 static String provideGenericThingValue() { 56 return "GenericThing"; 57 } 58 59 @Provides 60 @IntoMap 61 @LazyClassKey(Thing.class) provideThingIntValue()62 static Integer provideThingIntValue() { 63 return 2; 64 } 65 66 @Provides 67 @IntoMap 68 @LazyClassKey(GenericThing.class) provideGenericThingIntValue()69 static Integer provideGenericThingIntValue() { 70 return 1; 71 } 72 } 73 74 class Thing {} 75 76 class GenericThing<T> {} 77 78 @Test test()79 public void test() { 80 TestComponent testComponent = DaggerLazyClassKeyWithGenericsTest_TestComponent.create(); 81 Map<Class<?>, String> map = testComponent.map(); 82 Map<Class<?>, Provider<Integer>> intMap = testComponent.intMap().get(); 83 // MapSubject#containsExactly uses entrySet, which is banned from DaggerClassKey map. 84 assertThat(map.get(Thing.class)).isEqualTo("Thing"); 85 assertThat(map.get(GenericThing.class)).isEqualTo("GenericThing"); 86 assertThat(intMap.get(Thing.class).get()).isEqualTo(2); 87 assertThat(intMap.get(GenericThing.class).get()).isEqualTo(1); 88 } 89 } 90