1 // Copyright 2017 The Bazel Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 package com.google.devtools.build.android.desugar.testdata.java8; 15 16 /** 17 * The test classes for desugaring default methods. Desugar is not expected to generate companion 18 * classes for interfaces without default methods. The bridge methods are automatically generated by 19 * javac and put in the implementing classes. 20 * 21 * <p>NOTE: There should be NO companion class generated for this class. 22 */ 23 public interface Java7InterfaceWithBridges<T> { add(T value)24 T add(T value); 25 26 /** Concretize T to {@link Number)} */ 27 interface LevelOne<T extends Number> extends Java7InterfaceWithBridges<T> { 28 @Override add(T value)29 T add(T value); 30 } 31 32 /** Concretize to {@link Integer} */ 33 interface LevelTwo extends LevelOne<Integer> { 34 @Override add(Integer value)35 Integer add(Integer value); 36 } 37 38 /** Empty abstract class. This class should have no bridge methods */ 39 abstract static class AbstractClassOne implements LevelTwo {} 40 41 /** Implementing class. */ 42 static class ClassAddOne extends AbstractClassOne { 43 @Override add(Integer value)44 public Integer add(Integer value) { 45 return value + 1; 46 } 47 } 48 49 /** Implementing class. */ 50 static class ClassAddTwo extends AbstractClassOne implements LevelTwo { 51 @Override add(Integer value)52 public Integer add(Integer value) { 53 return value + 2; 54 } 55 } 56 } 57