| // 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.conversiontests; |
| |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.D8_L8DEBUG; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK8; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static junit.framework.TestCase.assertEquals; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| 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.CustomLibrarySpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.function.BiConsumer; |
| 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 DuplicateAPIDesugaredLibTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final CompilationSpecification compilationSpecification; |
| private final boolean supportCallbacks; |
| |
| private static final AndroidApiLevel MIN_SUPPORTED = AndroidApiLevel.O; |
| private static final String EXPECTED_RESULT = StringUtils.lines(" 1 1.1", " 1 1.1"); |
| |
| @Parameters(name = "{0}, spec: {1}, {2}, callbacks: {3}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters() |
| .withDexRuntimesStartingFromIncluding(Version.V8_1_0) |
| .withApiLevel(AndroidApiLevel.B) |
| .build(), |
| getJdk8Jdk11(), |
| ImmutableList.of(D8_L8DEBUG), |
| BooleanUtils.values()); |
| } |
| |
| public DuplicateAPIDesugaredLibTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification, |
| boolean supportCallbacks) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| this.supportCallbacks = supportCallbacks; |
| } |
| |
| @Test |
| public void testLib() throws Throwable { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addProgramClasses(Executor.class) |
| .setCustomLibrarySpecification( |
| new CustomLibrarySpecification(CustomLibClass.class, MIN_SUPPORTED)) |
| .addKeepMainRule(Executor.class) |
| .supportAllCallbacksFromLibrary(supportCallbacks) |
| .compile() |
| .inspectL8(this::assertDupMethod) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| private void assertDupMethod(CodeInspector inspector) { |
| ClassSubject clazz = inspector.clazz("j$.util.concurrent.ConcurrentHashMap"); |
| boolean duplicate = |
| supportCallbacks && libraryDesugaringSpecification.hasJDollarFunction(parameters); |
| int numForEachMethods = |
| libraryDesugaringSpecification == JDK8 ? duplicate ? 2 : 1 : duplicate ? 4 : 3; |
| assertEquals( |
| numForEachMethods, |
| clazz.virtualMethods().stream().filter(m -> m.getOriginalName().equals("forEach")).count()); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| Map<Integer, Double> map = new ConcurrentHashMap<>(); |
| map.put(1, 1.1); |
| BiConsumer<Integer, Double> biConsumer = (x, y) -> System.out.print(" " + x + " " + y); |
| map.forEach(biConsumer); |
| System.out.println(); |
| CustomLibClass.javaForEach(map, biConsumer); |
| System.out.println(); |
| } |
| } |
| |
| // This class will be put at compilation time as library and on the runtime class path. |
| // This class is convenient for easy testing. Each method plays the role of methods in the |
| // platform APIs for which argument/return values need conversion. |
| static class CustomLibClass { |
| |
| @SuppressWarnings("WeakerAccess") |
| public static <K, V> void javaForEach(Map<K, V> map, BiConsumer<K, V> consumer) { |
| map.forEach(consumer); |
| } |
| } |
| } |