| // Copyright (c) 2020, 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.enumunboxing; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.enumunboxing.examplelib1.JavaLibrary1; |
| import com.android.tools.r8.ir.optimize.enums.UnboxedEnumMemberRelocator; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| // In this test enum unboxing is performed once cf to cf then once cf to dex. The enum unboxing |
| // utility class is required in both cases, and R8 should not conflict with multiple synthesized |
| // classes. |
| @RunWith(Parameterized.class) |
| public class DoubleProcessingEnumUnboxingTest extends EnumUnboxingTestBase { |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final EnumKeepRules enumKeepRules; |
| private final boolean minification; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2} minif: {3}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| BooleanUtils.values(), |
| getAllEnumKeepRules(), |
| BooleanUtils.values()); |
| } |
| |
| public DoubleProcessingEnumUnboxingTest( |
| TestParameters parameters, |
| boolean enumValueOptimization, |
| EnumKeepRules enumKeepRules, |
| boolean minification) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| this.minification = minification; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| // Compile the lib cf to cf. |
| Path javaLibShrunk = |
| testForR8(Backend.CF) |
| .addProgramClasses(JavaLibrary1.class, JavaLibrary1.LibEnum1.class) |
| .addKeepMethodRules( |
| Reference.methodFromMethod(JavaLibrary1.class.getDeclaredMethod("libCall"))) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .enableNeverClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .minification(minification) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| // Compile the app with the lib. |
| R8TestRunResult run = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(App.class, App.AppEnum.class) |
| .addProgramFiles(javaLibShrunk) |
| .addKeepMainRule(App.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .enableNeverClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .allowDiagnosticInfoMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::assertUtilityClassPresent) |
| .inspectDiagnosticMessages( |
| m -> assertEnumIsUnboxed(App.AppEnum.class, App.class.getSimpleName(), m)) |
| .run(parameters.getRuntime(), App.class) |
| .assertSuccess(); |
| assertLines2By2Correct(run.getStdOut()); |
| } |
| |
| private void assertUtilityClassPresent(CodeInspector codeInspector) { |
| assertTrue( |
| codeInspector.allClasses().stream() |
| .anyMatch( |
| c -> |
| c.getOriginalName() |
| .contains(UnboxedEnumMemberRelocator.ENUM_UNBOXING_UTILITY_CLASS_SUFFIX))); |
| } |
| |
| static class App { |
| @NeverClassInline |
| enum AppEnum { |
| A, |
| B |
| } |
| |
| @NeverInline |
| static AppEnum getEnum() { |
| return System.currentTimeMillis() > 0 ? AppEnum.A : AppEnum.B; |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(getEnum().ordinal()); |
| System.out.println(0); |
| JavaLibrary1.libCall(); |
| } |
| } |
| } |