| // Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.desugar; |
| |
| import com.android.tools.r8.TestBase; |
| import org.junit.Test; |
| |
| /** Regression test for b/120971047. */ |
| public class KeptLambdaDesugaringTest extends TestBase { |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(Backend.DEX) |
| .addInnerClasses(KeptLambdaDesugaringTest.class) |
| .addKeepRules("-keep class ** { *; }") |
| .run(TestClass.class) |
| .assertSuccessWithOutput("Hello world"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new A("Hello world").method(); |
| } |
| } |
| |
| static class A { |
| |
| private final String message; |
| |
| public A(String message) { |
| this.message = message; |
| } |
| |
| public void method() { |
| Runnable runnable = () -> { |
| // The use of reflection will trigger Enqueuer.handleReflectiveBehavior. |
| try { |
| A.class.getDeclaredField("message"); |
| } catch (NoSuchFieldException e) { |
| throw new RuntimeException(e); |
| } |
| System.out.print(message); |
| }; |
| runnable.run(); |
| } |
| } |
| } |