| // Copyright (c) 2021, 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.optimize.finalize; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isFinal; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.AllOf.allOf; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.NoVerticalClassMerging; |
| 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class FinalizeVirtualMethodWithSiblingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection parameters() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Main.class) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject iClassSubject = inspector.clazz(I.class); |
| assertThat(iClassSubject, isPresent()); |
| assertThat( |
| iClassSubject.uniqueMethodWithName("m"), allOf(isPresent(), not(isFinal()))); |
| |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(aClassSubject.uniqueMethodWithName("m"), allOf(isPresent(), isFinal())); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.m()", "C.m()"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| test(new B()); |
| test(new C()); |
| } |
| |
| static void test(I i) { |
| i.m(); |
| } |
| } |
| |
| interface I { |
| |
| void m(); |
| } |
| |
| @NoVerticalClassMerging |
| static class A { |
| |
| // Should be made final. |
| @NeverInline |
| public void m() { |
| System.out.println("A.m()"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| static class B extends A implements I {} |
| |
| // To prevent the call i.m() from being devirtualized. |
| @NoHorizontalClassMerging |
| static class C implements I { |
| @Override |
| public void m() { |
| System.out.println("C.m()"); |
| } |
| } |
| } |