| // 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.optimize.inliner; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class InlineSynchronizedMethodTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("Hello, world"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public InlineSynchronizedMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InlineSynchronizedMethodTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED) |
| .inspect( |
| inspector -> { |
| // TODO(b/163007704): Identify and remove trivial/unobservable monitor enter/exit |
| // pairs. |
| assertEquals( |
| 2, |
| inspector |
| .clazz(TestClass.class) |
| .uniqueMethodWithName("main") |
| .streamInstructions() |
| .filter(i -> i.isMonitorEnter() || i.isMonitorExit()) |
| .count()); |
| }); |
| } |
| |
| static class TestClass { |
| |
| public static synchronized String foo(String msg) { |
| // No throwing instructions, so no need to join exceptions on exit. |
| return msg; |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(foo(args.length == 1 ? args[0] : "Hello, world")); |
| } |
| } |
| } |