| // 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.profile.art.completeness; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.notIf; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.profile.art.model.ExternalArtProfile; |
| import com.android.tools.r8.profile.art.utils.ArtProfileInspector; |
| import com.android.tools.r8.synthesis.SyntheticItemsTestUtils; |
| import com.android.tools.r8.utils.InternalOptions.InlinerOptions; |
| import com.android.tools.r8.utils.MethodReferenceUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FoundMethodSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.util.Collections; |
| import java.util.Set; |
| 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 LambdaStaticLibraryMethodImplementationProfileRewritingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addArtProfileForRewriting(getArtProfile()) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspectResidualArtProfile(this::inspectD8) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("0"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| parameters.assumeR8TestParameters(); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addArtProfileForRewriting(getArtProfile()) |
| .addOptionsModification(InlinerOptions::disableInlining) |
| .addOptionsModification( |
| options -> options.callSiteOptimizationOptions().setEnableMethodStaticizing(false)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspectResidualArtProfile(this::inspectR8) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("0"); |
| } |
| |
| public ExternalArtProfile getArtProfile() { |
| return ExternalArtProfile.builder() |
| .addMethodRule(MethodReferenceUtils.mainMethod(Main.class)) |
| .build(); |
| } |
| |
| private void inspectD8(ArtProfileInspector profileInspector, CodeInspector inspector) { |
| inspect(profileInspector, inspector, false); |
| } |
| |
| private void inspectR8(ArtProfileInspector profileInspector, CodeInspector inspector) { |
| inspect(profileInspector, inspector, parameters.isCfRuntime()); |
| } |
| |
| public void inspect( |
| ArtProfileInspector profileInspector, CodeInspector inspector, boolean canUseLambdas) { |
| ClassSubject mainClassSubject = inspector.clazz(Main.class); |
| assertThat(mainClassSubject, isPresent()); |
| |
| MethodSubject mainMethodSubject = mainClassSubject.mainMethod(); |
| assertThat(mainMethodSubject, isPresent()); |
| |
| // Check the presence of the lambda class and its methods. |
| ClassSubject lambdaClassSubject = |
| inspector.clazz(SyntheticItemsTestUtils.syntheticLambdaClass(Main.class, 0)); |
| assertThat(lambdaClassSubject, notIf(isPresent(), canUseLambdas)); |
| |
| MethodSubject lambdaInitializerSubject = lambdaClassSubject.uniqueInstanceInitializer(); |
| assertThat(lambdaInitializerSubject, notIf(isPresent(), canUseLambdas)); |
| |
| MethodSubject lambdaMainMethodSubject = |
| lambdaClassSubject.uniqueMethodThatMatches(FoundMethodSubject::isVirtual); |
| assertThat(lambdaMainMethodSubject, notIf(isPresent(), canUseLambdas)); |
| |
| if (canUseLambdas) { |
| profileInspector.assertContainsMethodRule(mainMethodSubject).assertContainsNoOtherRules(); |
| } else { |
| profileInspector |
| .assertContainsClassRules(lambdaClassSubject) |
| .assertContainsMethodRules( |
| mainMethodSubject, lambdaInitializerSubject, lambdaMainMethodSubject) |
| .assertContainsNoOtherRules(); |
| } |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| SetSupplier lambda = Collections::emptySet; |
| System.out.println(lambda.get().size()); |
| } |
| } |
| |
| interface SetSupplier { |
| |
| Set<?> get(); |
| } |
| } |