| // Copyright (c) 2023, 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.desugar.sealed; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static junit.framework.Assert.assertEquals; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestBuilder; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.HorizontallyMergedClassesInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| 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 SealedClassesExtendsVerticalMergeTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| static final String EXPECTED = StringUtils.lines("Success!"); |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| private void addTestClasses(TestBuilder<?, ?> builder) throws Exception { |
| builder |
| .addProgramClasses(TestClass.class, Sub1.class, Sub2.class, SubSub.class) |
| .addProgramClassFileData(getTransformedClasses()); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject superClass = inspector.clazz(Super.class); |
| assertThat(superClass, isPresentAndRenamed()); |
| ClassSubject sub2 = inspector.clazz(Sub2.class); |
| assertThat(sub2, isPresentAndRenamed()); |
| ClassSubject subSub = inspector.clazz(SubSub.class); |
| assertThat(subSub, isPresentAndRenamed()); |
| ClassSubject unrelated = inspector.clazz(UnrelatedSuper.class); |
| assertThat(subSub, isPresentAndRenamed()); |
| for (ClassSubject clazz : ImmutableList.of(superClass, unrelated)) { |
| assertEquals( |
| parameters.isCfRuntime() |
| ? ImmutableList.of(subSub.asTypeSubject(), sub2.asTypeSubject()) |
| : ImmutableList.of(), |
| clazz.getFinalPermittedSubclassAttributes()); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| parameters.assumeR8TestParameters(); |
| testForR8(parameters.getBackend()) |
| .apply(this::addTestClasses) |
| .setMinApi(parameters) |
| .addKeepAttributePermittedSubclasses() |
| .addKeepPermittedSubclasses(Super.class, Sub2.class, UnrelatedSuper.class) |
| .addKeepMainRule(TestClass.class) |
| .addVerticallyMergedClassesInspector( |
| inspector -> inspector.assertMergedIntoSubtype(Sub1.class)) |
| .addHorizontallyMergedClassesInspector( |
| HorizontallyMergedClassesInspector::assertNoClassesMerged) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .applyIf( |
| parameters.isDexRuntime() || parameters.asCfRuntime().isNewerThanOrEqual(CfVm.JDK17), |
| r -> r.assertSuccessWithOutput(EXPECTED), |
| r -> r.assertFailureWithErrorThatThrows(UnsupportedClassVersionError.class)); |
| } |
| |
| public List<byte[]> getTransformedClasses() throws Exception { |
| return ImmutableList.of( |
| transformer(Super.class) |
| .setPermittedSubclasses(Super.class, Sub1.class, Sub2.class) |
| .transform(), |
| transformer(UnrelatedSuper.class) |
| .setPermittedSubclasses(UnrelatedSuper.class, Sub1.class, Sub2.class) |
| .transform()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(new SubSub()); |
| } |
| } |
| |
| abstract static class Super /* permits Sub1, Sub2 */ {} |
| |
| static class Sub1 extends Super {} |
| |
| static class Sub2 extends Super {} |
| |
| static class SubSub extends Sub1 { |
| |
| @Override |
| public String toString() { |
| return "Success!"; |
| } |
| } |
| |
| abstract static class UnrelatedSuper /* permits Sub1, Sub2 */ {} |
| } |