| // 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.staticizer; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class SynchronizedCompanionMethodTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public SynchronizedCompanionMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject testClassSubject = inspector.clazz(TestClass.class); |
| assertThat(testClassSubject, isPresent()); |
| assertEquals( |
| 1, |
| testClassSubject |
| .allMethods(method -> method.isStatic() && !method.isClassInitializer()) |
| .size()); |
| |
| ClassSubject companionClassSubject = inspector.clazz(Companion.class); |
| assertThat(companionClassSubject, isPresent()); |
| assertEquals( |
| 1, |
| companionClassSubject |
| .allMethods(method -> !method.isStatic() && method.isSynchronized()) |
| .size()); |
| } |
| |
| static class TestClass { |
| |
| static final Companion companion = new Companion(); |
| |
| public static void main(String[] args) { |
| companion.greet(); |
| } |
| } |
| |
| @NeverClassInline |
| static class Companion { |
| |
| @NeverInline |
| public synchronized void greet() { |
| System.out.println("Hello world!"); |
| } |
| } |
| } |