| // Copyright (c) 2022, 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 static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.SPECIFICATIONS_WITH_CF2CF; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK8; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static org.hamcrest.CoreMatchers.containsString; |
| |
| import com.android.tools.r8.SingleTestRunResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.transformers.MethodTransformer; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.io.IOException; |
| import java.time.LocalDate; |
| import java.time.chrono.ChronoLocalDate; |
| import java.time.chrono.Era; |
| import java.time.chrono.IsoEra; |
| import java.util.Collection; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class LocaleDateGetEraTest extends DesugaredLibraryTestBase { |
| |
| private static final String EXPECTED_RESULT = StringUtils.lines("CE"); |
| |
| private final TestParameters parameters; |
| private final CompilationSpecification compilationSpecification; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final Class<?> eraClass; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters() |
| .withAllRuntimes() |
| .withAllApiLevelsAlsoForCf() |
| .withApiLevel(AndroidApiLevel.N) |
| .build(), |
| getJdk8Jdk11(), |
| SPECIFICATIONS_WITH_CF2CF, |
| ImmutableList.of(IsoEra.class, Era.class)); |
| } |
| |
| public LocaleDateGetEraTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification, |
| Class<?> eraClass) { |
| this.parameters = parameters; |
| this.compilationSpecification = compilationSpecification; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.eraClass = eraClass; |
| } |
| |
| @Test |
| public void testLocaleDate() throws Throwable { |
| SingleTestRunResult<?> run = |
| testForDesugaredLibrary( |
| parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addProgramClassFileData(getProgramClassFileData()) |
| .addKeepMainRule(Executor.class) |
| .run(parameters.getRuntime(), Executor.class); |
| if (parameters.getRuntime().isCf() |
| && parameters.getRuntime().asCf().isOlderThan(CfVm.JDK9) |
| && eraClass == IsoEra.class |
| // We desugar up to 30 at this point... |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.S)) { |
| // The method with the covariant return type is present only from JDK9. |
| run.assertFailureWithErrorThatMatches( |
| containsString( |
| "java.lang.NoSuchMethodError:" |
| + " java.time.LocalDate.getEra()Ljava/time/chrono/IsoEra;")); |
| } else if (parameters.getRuntime().isDex() |
| && eraClass == IsoEra.class |
| && parameters.getApiLevel().betweenBothIncluded(AndroidApiLevel.O, AndroidApiLevel.S) |
| && libraryDesugaringSpecification == JDK8) { |
| // No support for this desugaring in JDK8 desugared library. |
| run.assertFailureWithErrorThatMatches(containsString("java.lang.NoSuchMethodError")); |
| } else { |
| run.assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| } |
| |
| private Collection<byte[]> getProgramClassFileData() throws IOException { |
| return ImmutableList.of( |
| transformer(Executor.class) |
| .addMethodTransformer( |
| new MethodTransformer() { |
| @Override |
| public void visitMethodInsn( |
| int opcode, |
| String owner, |
| String name, |
| String descriptor, |
| boolean isInterface) { |
| if (opcode == Opcodes.INVOKEINTERFACE && name.equals("getEra")) { |
| super.visitMethodInsn( |
| Opcodes.INVOKEVIRTUAL, |
| "java/time/LocalDate", |
| name, |
| "()" + DescriptorUtils.javaTypeToDescriptor(eraClass.getTypeName()), |
| false); |
| return; |
| } |
| if (opcode == Opcodes.CHECKCAST) { |
| return; |
| } |
| super.visitMethodInsn(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .transform()); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| System.out.println(((ChronoLocalDate) LocalDate.ofEpochDay(123456789L)).getEra()); |
| } |
| } |
| } |