| // Copyright (c) 2019, 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.desugar.desugaredlibrary.shrinkingtests; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.time.DayOfWeek; |
| import java.time.chrono.IsoEra; |
| import java.time.chrono.MinguoEra; |
| import java.util.EnumSet; |
| 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 EnumSetTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withDexRuntimes().withAllApiLevels().build()); |
| } |
| |
| public EnumSetTest(boolean shrinkDesugaredLibrary, TestParameters parameters) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testEnum() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .addProgramClasses(EnumSetUser.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), EnumSetUser.class) |
| .assertSuccessWithOutput(StringUtils.lines("2", "0", "1")); |
| } |
| |
| static class EnumSetUser { |
| |
| public static void main(String[] args) { |
| EnumSet<IsoEra> isoEras = EnumSet.allOf(IsoEra.class); |
| System.out.println(isoEras.size()); |
| EnumSet<DayOfWeek> dayOfWeeks = EnumSet.noneOf(DayOfWeek.class); |
| System.out.println(dayOfWeeks.size()); |
| EnumSet<MinguoEra> minguoEras = EnumSet.of(MinguoEra.BEFORE_ROC); |
| System.out.println(minguoEras.size()); |
| } |
| } |
| } |