| // 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.ir.optimize.inliner; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ir.optimize.inliner.testclasses.Greeting; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| |
| /** Regression test for b/128604123. */ |
| public class InlineNonReboundFieldTest extends TestBase { |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Greeter: Hello world!"); |
| CodeInspector inspector = |
| testForR8(Backend.DEX) |
| .addProgramClasses( |
| TestClass.class, Greeter.class, Greeting.class, Greeting.getGreetingBase()) |
| .addKeepMainRule(TestClass.class) |
| .enableNeverClassInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput) |
| .inspector(); |
| |
| ClassSubject greeterSubject = inspector.clazz(Greeter.class); |
| assertThat(greeterSubject, isPresent()); |
| |
| // Verify that greet() is not inlined into main() -- that would lead to illegal access errors |
| // since main() does not have access to the GreetingBase.greeting field. |
| assertThat(greeterSubject.uniqueMethodWithOriginalName("greet"), isPresent()); |
| |
| // The method greetInternal() should be inlined into greet() since it has a single call site and |
| // nothing prevents it from being inlined. |
| assertThat(greeterSubject.uniqueMethodWithOriginalName("greetInternal"), not(isPresent())); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new Greeter("Hello world!").greet(); |
| } |
| } |
| |
| @NeverClassInline |
| static class Greeter extends Greeting { |
| |
| static String TAG = "Greeter"; |
| |
| Greeter(String greeting) { |
| this.greeting = greeting; |
| } |
| |
| void greet() { |
| greetInternal(); |
| } |
| |
| private void greetInternal() { |
| System.out.println(TAG + ": " + greeting); |
| } |
| } |
| } |