| // 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.accessrelaxation; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| 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.TestShrinkerBuilder; |
| import com.android.tools.r8.resolution.virtualtargets.package_a.ViewModel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import java.util.List; |
| 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 PackagePrivateNonOverridePublicizerTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final boolean allowAccessModification; |
| private final String[] EXPECTED = |
| new String[] {"SubViewModel.clearNotOverriding()", "ViewModel.clear()"}; |
| |
| @Parameters(name = "{0}, allowAccessModification: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| public PackagePrivateNonOverridePublicizerTest( |
| TestParameters parameters, boolean allowAccessModification) { |
| this.parameters = parameters; |
| this.allowAccessModification = allowAccessModification; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(ViewModel.class, SubViewModel.class, Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(ViewModel.class, SubViewModel.class, Main.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .applyIf(allowAccessModification, TestShrinkerBuilder::allowAccessModification) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED) |
| .inspect( |
| inspector -> { |
| ClassSubject clazz = inspector.clazz(ViewModel.class); |
| // ViewModel.clear() is package private. When we publicize the method, we can inline |
| // the clearBridge() into Main and thereby remove the ViewModel class entirely. |
| if (allowAccessModification) { |
| assertThat(clazz, not(isPresent())); |
| } else { |
| assertThat(clazz, isPresent()); |
| } |
| }); |
| } |
| |
| @NeverClassInline |
| @NoVerticalClassMerging |
| public static class SubViewModel extends ViewModel { |
| |
| @NeverInline |
| public void clearNotOverriding() { |
| System.out.println("SubViewModel.clearNotOverriding()"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| SubViewModel subViewModel = new SubViewModel(); |
| subViewModel.clearNotOverriding(); |
| subViewModel.clearBridge(); |
| } |
| } |
| } |