1 /* 2 * Copyright (C) 2016 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; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import dagger.functional.ComponentWithReusableBindings.ChildOne; 22 import dagger.functional.ComponentWithReusableBindings.ChildTwo; 23 import org.junit.Test; 24 import org.junit.runner.RunWith; 25 import org.junit.runners.JUnit4; 26 27 @RunWith(JUnit4.class) 28 public class ReusableTest { 29 @Test testReusable()30 public void testReusable() { 31 ComponentWithReusableBindings parent = DaggerComponentWithReusableBindings.create(); 32 ChildOne childOne = parent.childOne(); 33 ChildTwo childTwo = parent.childTwo(); 34 35 Object reusableInParent = parent.reusableInParent(); 36 assertThat(parent.reusableInParent()).isSameInstanceAs(reusableInParent); 37 assertThat(childOne.reusableInParent()).isSameInstanceAs(reusableInParent); 38 assertThat(childTwo.reusableInParent()).isSameInstanceAs(reusableInParent); 39 40 Object reusableFromChildOne = childOne.reusableInChild(); 41 assertThat(childOne.reusableInChild()).isSameInstanceAs(reusableFromChildOne); 42 43 Object reusableFromChildTwo = childTwo.reusableInChild(); 44 assertThat(childTwo.reusableInChild()).isSameInstanceAs(reusableFromChildTwo); 45 46 assertThat(reusableFromChildTwo).isNotSameInstanceAs(reusableFromChildOne); 47 } 48 } 49