| // Copyright (c) 2019, 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.naming; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NeverMerge; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.naming.testclasses.Greeting; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Test; |
| |
| /** Regression test for b/128600647. */ |
| public class InterfaceFieldMinificationTest extends TestBase { |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Greeter: Hello world!"); |
| testForR8(Backend.DEX) |
| .addProgramClasses( |
| TestClass.class, Greeter.class, Greeting.class, Greeting.getGreetingBase(), Tag.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules("-keep,allowobfuscation class " + Tag.class.getTypeName() + " { <fields>; }") |
| .enableClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .enableMergeAnnotations() |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new Greeter("Hello world!").greet(); |
| } |
| } |
| |
| @NeverClassInline |
| static class Greeter extends Greeting implements Tag { |
| |
| Greeter(String greeting) { |
| this.greeting = greeting; |
| } |
| |
| @NeverInline |
| void greet() { |
| System.out.println(TAG + ": " + greeting); |
| } |
| } |
| |
| @NeverMerge |
| public interface Tag { |
| |
| String TAG = "Greeter"; |
| } |
| } |