| // Copyright (c) 2020, 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.classmerging.vertical; |
| |
| 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.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class VerticalClassMergerShouldMergeSynchronizedMethodTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public VerticalClassMergerShouldMergeSynchronizedMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testNoMergingOfClassUsedInMonitor() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(VerticalClassMergerShouldMergeSynchronizedMethodTest.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("1", "2", "3", "4") |
| .inspect( |
| inspector -> { |
| assertThat(inspector.clazz(LockOne.class), not(isPresent())); |
| assertThat(inspector.clazz(LockTwo.class), isPresent()); |
| }); |
| } |
| |
| // Will be merged with LockTwo. |
| static class LockOne { |
| |
| synchronized void print1() { |
| System.out.println("1"); |
| print2(); |
| } |
| |
| private synchronized void print2() { |
| System.out.println("2"); |
| } |
| } |
| |
| public static class LockTwo extends LockOne { |
| |
| synchronized void print3() { |
| System.out.println("3"); |
| } |
| |
| static void print4() { |
| System.out.println("4"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| LockTwo lockTwo = new LockTwo(); |
| lockTwo.print1(); |
| lockTwo.print3(); |
| LockTwo.print4(); |
| } |
| } |
| } |