| // 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.onlyIf; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| 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.model.ExternalArtProfileMethodRule; |
| import com.android.tools.r8.profile.art.utils.ArtProfileTestingUtils; |
| import com.android.tools.r8.synthesis.SyntheticItemsTestUtils; |
| import com.android.tools.r8.utils.MethodReferenceUtils; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| 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 SyntheticLambdaClassProfileRewritingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .apply( |
| testBuilder -> |
| ArtProfileTestingUtils.addArtProfileForRewriting( |
| getArtProfile(), this::inspectResidualArtProfile, testBuilder)) |
| .noHorizontalClassMergingOfSynthetics() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello, world!"); |
| } |
| |
| private ExternalArtProfile getArtProfile() { |
| return ExternalArtProfile.builder() |
| .addRule( |
| ExternalArtProfileMethodRule.builder() |
| .setMethodReference(MethodReferenceUtils.mainMethod(Main.class)) |
| .build()) |
| .build(); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| // Verify that two lambdas were synthesized when compiling to dex. |
| assertThat( |
| inspector.clazz(SyntheticItemsTestUtils.syntheticLambdaClass(Main.class, 0)), |
| onlyIf(parameters.isDexRuntime(), isPresent())); |
| assertThat( |
| inspector.clazz(SyntheticItemsTestUtils.syntheticLambdaClass(Main.class, 1)), |
| onlyIf(parameters.isDexRuntime(), isPresent())); |
| } |
| |
| private void inspectResidualArtProfile(ExternalArtProfile residualArtProfile) { |
| if (parameters.isCfRuntime()) { |
| assertEquals(getArtProfile(), residualArtProfile); |
| } else { |
| assert parameters.isDexRuntime(); |
| // TODO(b/265729283): Since Main.main() is in the art profile, so should the two synthetic |
| // lambdas be. |
| assertEquals(getArtProfile(), residualArtProfile); |
| } |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| Runnable lambda = |
| System.currentTimeMillis() > 0 |
| ? () -> System.out.println("Hello, world!") |
| : () -> { |
| throw new RuntimeException(); |
| }; |
| lambda.run(); |
| } |
| } |
| } |