| // 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.devirtualize; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| 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 com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| // This is a reproduction of b/173812804. |
| @RunWith(Parameterized.class) |
| public class PrivateOverridePublicizerDevirtualizerTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final String[] EXPECTED = new String[] {"A::foo", "B::foo"}; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public PrivateOverridePublicizerDevirtualizerTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addInnerClasses(PrivateOverridePublicizerDevirtualizerTest.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(PrivateOverridePublicizerDevirtualizerTest.class) |
| .enableInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .addKeepMainRule(Main.class) |
| .allowAccessModification() |
| .noMinification() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject classA = inspector.clazz(A.class); |
| assertThat(classA, isPresent()); |
| MethodSubject fooA = classA.uniqueMethodWithName("foo"); |
| assertThat(fooA, isPresent()); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @NeverClassInline |
| @NoVerticalClassMerging |
| public static class A { |
| @NeverInline |
| private void foo() { |
| System.out.println("A::foo"); // <-- this is made public by the publicizer |
| } |
| |
| public void callFoo() { |
| foo(); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B extends A { |
| @NeverInline |
| private void foo() { |
| System.out.println("B::foo"); |
| } |
| |
| @Override |
| @NeverInline |
| public void callFoo() { |
| // We end up inlining A::callFoo, and then, because the call to A::foo is public, we end up |
| // target B::foo in the virtualizer. |
| super.callFoo(); |
| foo(); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new B().callFoo(); |
| } |
| } |
| } |