| // 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 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.references.Reference; |
| 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.MethodSubject; |
| 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 EnumUnboxingUtilityMethodProfileRewritingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addArtProfileForRewriting(getArtProfile()) |
| .addEnumUnboxingInspector(inspector -> inspector.assertUnboxed(MyEnum.class)) |
| .addOptionsModification(InlinerOptions::disableInlining) |
| .noHorizontalClassMergingOfSynthetics() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspectResidualArtProfile(this::inspect) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello, world!"); |
| } |
| |
| private ExternalArtProfile getArtProfile() throws Exception { |
| return ExternalArtProfile.builder() |
| .addMethodRule(MethodReferenceUtils.mainMethod(Main.class)) |
| .addMethodRule(Reference.methodFromMethod(MyEnum.class.getDeclaredMethod("greet"))) |
| .addMethodRule(Reference.methodFromMethod(MyEnum.class.getDeclaredMethod("other"))) |
| .addMethodRule(Reference.methodFromMethod(MyEnum.class.getDeclaredMethod("values"))) |
| .build(); |
| } |
| |
| private void inspect(ArtProfileInspector profileInspector, CodeInspector inspector) { |
| ClassSubject mainClassSubject = inspector.clazz(Main.class); |
| assertThat(mainClassSubject, isPresent()); |
| assertThat(mainClassSubject.mainMethod(), isPresent()); |
| |
| ClassSubject enumUnboxingLocalUtilityClassSubject = |
| inspector.clazz( |
| SyntheticItemsTestUtils.syntheticEnumUnboxingLocalUtilityClass(MyEnum.class)); |
| assertThat(enumUnboxingLocalUtilityClassSubject, isPresent()); |
| |
| MethodSubject localGreetMethodSubject = |
| enumUnboxingLocalUtilityClassSubject.uniqueMethodWithOriginalName("greet"); |
| assertThat(localGreetMethodSubject, isPresent()); |
| |
| MethodSubject localOtherMethodSubject = |
| enumUnboxingLocalUtilityClassSubject.uniqueMethodWithOriginalName("other"); |
| assertThat(localOtherMethodSubject, isPresent()); |
| |
| MethodSubject localValuesMethodSubject = |
| enumUnboxingLocalUtilityClassSubject.uniqueMethodWithOriginalName("values"); |
| assertThat(localValuesMethodSubject, isPresent()); |
| |
| ClassSubject enumUnboxingSharedUtilityClassSubject = |
| inspector.clazz( |
| SyntheticItemsTestUtils.syntheticEnumUnboxingSharedUtilityClass(MyEnum.class)); |
| assertThat(enumUnboxingSharedUtilityClassSubject, isPresent()); |
| assertThat(enumUnboxingSharedUtilityClassSubject.clinit(), isPresent()); |
| assertThat( |
| enumUnboxingSharedUtilityClassSubject.uniqueMethodWithOriginalName("ordinal"), isPresent()); |
| assertThat( |
| enumUnboxingSharedUtilityClassSubject.uniqueMethodWithOriginalName("values"), isPresent()); |
| |
| // TODO(b/265729283): Should also include the above methods from enum unboxing. |
| profileInspector |
| .assertContainsMethodRules( |
| mainClassSubject.mainMethod(), |
| localGreetMethodSubject, |
| localOtherMethodSubject, |
| localValuesMethodSubject) |
| .assertContainsNoOtherRules(); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| MyEnum a = System.currentTimeMillis() > 0 ? MyEnum.A : MyEnum.B; |
| MyEnum b = a.other(); |
| a.greet(); |
| b.greet(); |
| } |
| } |
| |
| enum MyEnum { |
| A, |
| B; |
| |
| void greet() { |
| switch (this) { |
| case A: |
| System.out.print("Hello"); |
| break; |
| case B: |
| System.out.println(", world!"); |
| break; |
| } |
| } |
| |
| MyEnum other() { |
| return MyEnum.values()[1 - ordinal()]; |
| } |
| } |
| } |