| // Copyright (c) 2022, 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.profile.art; |
| |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndNotRenamed; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.junit.Assume; |
| 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 DesugaredLibraryArtProfileRewritingTest extends DesugaredLibraryTestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameter(1) |
| public CompilationSpecification compilationSpecification; |
| |
| @Parameter(2) |
| public LibraryDesugaringSpecification libraryDesugaringSpecification; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| DEFAULT_SPECIFICATIONS, |
| getJdk8Jdk11()); |
| } |
| |
| @Test |
| public void test() throws Throwable { |
| Assume.assumeTrue(libraryDesugaringSpecification.hasEmulatedInterfaceDesugaring(parameters)); |
| ArtProfileProviderForTesting artProfileProvider = new ArtProfileProviderForTesting(); |
| ArtProfileConsumerForTesting residualArtProfileConsumer = new ArtProfileConsumerForTesting(); |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addL8ArtProfileForRewriting(artProfileProvider, residualArtProfileConsumer) |
| .compile() |
| .inspectL8( |
| inspector -> { |
| ClassSubject consumerClassSubject = |
| inspector.clazz( |
| libraryDesugaringSpecification.functionPrefix(parameters) |
| + ".util.function.Consumer"); |
| assertThat(consumerClassSubject, isPresent()); |
| |
| ClassSubject streamClassSubject = inspector.clazz("j$.util.stream.Stream"); |
| assertThat(streamClassSubject, isPresentAndNotRenamed()); |
| |
| MethodSubject forEachMethodSubject = |
| streamClassSubject.uniqueMethodWithOriginalName("forEach"); |
| assertThat( |
| forEachMethodSubject, |
| isPresentAndRenamed( |
| compilationSpecification.isL8Shrink() |
| && libraryDesugaringSpecification |
| == LibraryDesugaringSpecification.JDK8)); |
| assertEquals( |
| consumerClassSubject.asTypeSubject(), forEachMethodSubject.getParameter(0)); |
| |
| assertEquals( |
| Lists.newArrayList(forEachMethodSubject.getFinalReference()), |
| residualArtProfileConsumer.references); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("0"); |
| } |
| |
| class ArtProfileProviderForTesting implements ArtProfileProvider { |
| |
| @Override |
| public void getArtProfile(ArtProfileBuilder profileBuilder) { |
| MethodReference forEachMethodReference = |
| Reference.method( |
| Reference.classFromTypeName("j$.util.stream.Stream"), |
| "forEach", |
| ImmutableList.of( |
| Reference.classFromTypeName( |
| libraryDesugaringSpecification.functionPrefix(parameters) |
| + ".util.function.Consumer")), |
| null); |
| profileBuilder.addMethodRule( |
| methodRuleBuilder -> methodRuleBuilder.setMethodReference(forEachMethodReference)); |
| } |
| |
| @Override |
| public Origin getOrigin() { |
| return Origin.unknown(); |
| } |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println(new ArrayList<>().stream().collect(Collectors.toList()).size()); |
| } |
| } |
| } |