| // 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.desugar.desugaredlibrary.gson; |
| |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.lang.reflect.Field; |
| import java.time.chrono.IsoEra; |
| import java.util.List; |
| import org.junit.Assume; |
| 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 GsonEnumTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final CompilationSpecification compilationSpecification; |
| |
| private static final String EXPECTED_RESULT = StringUtils.lines("0"); |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| getJdk8Jdk11(), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public GsonEnumTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| } |
| |
| @Test |
| public void testEnum() throws Exception { |
| Assume.assumeTrue(libraryDesugaringSpecification.hasEmulatedInterfaceDesugaring(parameters)); |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(GsonEnumTest.class) |
| .addKeepMainRule(Executor.class) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") |
| static class Executor { |
| public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException { |
| // For GSON to correctly serialize enums, it needs to be able to access all of the static |
| // enum fields. |
| Field bce = IsoEra.class.getField("BCE"); |
| System.out.println(((IsoEra) bce.get(null)).ordinal()); |
| } |
| } |
| } |