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 * An interface that has a default method, and a non-empty static initializer. The initializer is 18 * NOT expected to run during desugaring. 19 */ 20 public interface FunctionalInterfaceWithInitializerAndDefaultMethods { 21 22 ClassWithInitializer CONSTANT = new ClassWithInitializer(); 23 boolean BOOLEAN = getFalse(); 24 char CHAR = "hello".charAt(0); 25 byte BYTE = Byte.parseByte("0"); 26 short SHORT = Short.parseShort("0"); 27 int INT = Integer.parseInt("0"); 28 float FLOAT = Float.parseFloat("0"); 29 long LONG = Long.parseLong("0"); 30 double DOUBLE = Double.parseDouble("0"); 31 convert()32 int convert(); 33 34 /** 35 * The default method ensures that the static initializer of this interface will be executed when 36 * the interface is loaded. 37 */ defaultMethod()38 default void defaultMethod() {} 39 getFalse()40 static boolean getFalse() { 41 return false; 42 } 43 44 /** 45 * A class with a static initializer that has side effects (In this class, the printing to stdout) 46 */ 47 class ClassWithInitializer { 48 static { 49 System.out.println("THIS STRING IS NOT EXPECTED TO APPEAR IN THE OUTPUT OF DESUGAR!!!"); 50 } 51 52 /** 53 * A lambda to trigger Desugar to load the interface {@link 54 * FunctionalInterfaceWithInitializerAndDefaultMethods} 55 */ length(String s)56 public FunctionalInterfaceWithInitializerAndDefaultMethods length(String s) { 57 return s::length; 58 } 59 } 60 } 61