| // 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.ir; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| 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 DebugLocalSynchronizedBlockTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| public DebugLocalSynchronizedBlockTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .addProgramClasses(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| public static class Main { |
| |
| private int state = 0; |
| private int[] values = {42}; |
| |
| public static void main(String[] args) { |
| Main main = new Main(); |
| if (args.length == 0) { |
| main.state = 1; |
| } else { |
| main.state = 0; |
| } |
| main.thread1(); |
| System.out.println("Hello World!"); |
| } |
| |
| void thread1() { |
| int s; |
| do { |
| synchronized (Main.class) { |
| s = state; |
| } |
| } while (s != 1); // Busy loop. |
| synchronized (Main.class) { |
| values = null; |
| state = 2; |
| } |
| } |
| } |
| } |