| // 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 com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.TestParameters; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class EnumUnboxingSideEffectClInitTest extends EnumUnboxingTestBase { |
| private static final Class<MyEnum> ENUM_CLASS = MyEnum.class; |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final EnumKeepRules enumKeepRules; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return enumUnboxingTestParameters(); |
| } |
| |
| public EnumUnboxingSideEffectClInitTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| Class<?> classToTest = MainEnum.class; |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(EnumUnboxingSideEffectClInitTest.class) |
| .addKeepMainRule(classToTest) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addEnumUnboxingInspector(inspector -> inspector.assertUnboxed(ENUM_CLASS)) |
| .enableNeverClassInliningAnnotations() |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), classToTest) |
| .assertSuccessWithOutputLines("0"); |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B |
| } |
| |
| @NeverClassInline |
| enum MainEnum { |
| INSTANCE; |
| // The clinit of this enum needs to be reprocessed by the enum unboxer to rewrite MyEnum.a |
| // and the static put instruction to the new field. |
| static MyEnum e = System.currentTimeMillis() > 0 ? MyEnum.A : MyEnum.B; |
| |
| public static void main(String[] args) { |
| System.out.println(e.ordinal()); |
| } |
| } |
| } |