| // Copyright (c) 2021, 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; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.time.Month; |
| import java.time.format.TextStyle; |
| import java.util.Locale; |
| import org.junit.Assume; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class MonthTest extends DesugaredLibraryTestBase { |
| private final TestParameters parameters; |
| |
| private static final String EXPECTED_JAVA_8_OUTPUT = StringUtils.lines("4"); |
| private static final String EXPECTED_JAVA_9_OUTPUT = StringUtils.lines("April"); |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public MonthTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private String getExpectedResult(TestParameters parameters) { |
| if (parameters.isCfRuntime()) { |
| if (parameters.getRuntime().asCf().isNewerThan(TestRuntime.CfVm.JDK8)) { |
| return EXPECTED_JAVA_9_OUTPUT; |
| } |
| return EXPECTED_JAVA_8_OUTPUT; |
| } |
| assert parameters.isDexRuntime(); |
| // Assumes java.time is desugared only if any library desugaring is required, i.e., on 26. |
| if (requiresAnyCoreLibDesugaring(parameters)) { |
| return EXPECTED_JAVA_8_OUTPUT; |
| } |
| return EXPECTED_JAVA_9_OUTPUT; |
| } |
| |
| @Test |
| public void testMonthD8() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addInnerClasses(MonthTest.class) |
| .run(parameters.getRuntime(), MonthTest.Main.class) |
| .assertSuccessWithOutput(getExpectedResult(parameters)); |
| return; |
| } |
| testForD8(parameters.getBackend()) |
| .addInnerClasses(MonthTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel()) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath(this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(getExpectedResult(parameters)); |
| } |
| |
| @Test |
| public void testMonthR8() throws Exception { |
| Assume.assumeTrue(parameters.isDexRuntime()); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(MonthTest.class) |
| .addKeepMainRule(MonthTest.Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel()) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath(this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(getExpectedResult(parameters)); |
| } |
| |
| static class Main { |
| public static void main(String[] args) { |
| System.out.println(Month.APRIL.getDisplayName(TextStyle.FULL_STANDALONE, Locale.UK)); |
| } |
| } |
| } |