| // 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.R8TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.enumunboxing.PinnedEnumUnboxingTest.MainWithKeptEnum.MyEnum; |
| 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 PinnedEnumUnboxingTest extends EnumUnboxingTestBase { |
| |
| private static final Class<?>[] TESTS = {MainWithKeptEnum.class, MainWithKeptEnumArray.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 PinnedEnumUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| R8TestCompileResult compileResult = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(PinnedEnumUnboxingTest.class) |
| .addKeepMainRules(TESTS) |
| .addKeepClassRules(MyEnum.class) |
| .addKeepMethodRules(MainWithKeptEnumArray.class, "keptMethod()") |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addEnumUnboxingInspector( |
| inspector -> |
| inspector.assertNotUnboxed( |
| MainWithKeptEnum.MyEnum.class, MainWithKeptEnumArray.MyEnum.class)) |
| .enableNeverClassInliningAnnotations() |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| for (Class<?> main : TESTS) { |
| compileResult.run(parameters.getRuntime(), main).assertSuccessWithOutputLines("0"); |
| } |
| } |
| |
| static class MainWithKeptEnum { |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(MyEnum.A.ordinal()); |
| } |
| } |
| |
| static class MainWithKeptEnumArray { |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(MyEnum.A.ordinal()); |
| } |
| |
| public static MyEnum[] keptMethod() { |
| System.out.println("KEPT"); |
| return null; |
| } |
| } |
| } |