| // 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; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.D8_L8DEBUG; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11_PATH; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK8; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.startsWith; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.StringContains.containsString; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.dex.ApplicationReader; |
| import com.android.tools.r8.graph.AppInfo; |
| import com.android.tools.r8.graph.AppInfoWithClassHierarchy; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DirectMappedDexApplication; |
| import com.android.tools.r8.graph.MethodResolutionResult; |
| import com.android.tools.r8.synthesis.SyntheticItems.GlobalSyntheticsStrategy; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.AndroidApp; |
| import com.android.tools.r8.utils.Pair; |
| import com.android.tools.r8.utils.Timing; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FoundClassSubject; |
| import com.android.tools.r8.utils.codeinspector.FoundMethodSubject; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.IdentityHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import org.hamcrest.CoreMatchers; |
| 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 DesugaredLibraryContentTest extends DesugaredLibraryTestBase { |
| |
| // The class sun.misc.Unsafe is runnable on Android despite not being in android.jar. |
| private static final Set<String> ALLOWED_MISSING_HOLDER = ImmutableSet.of("sun.misc.Unsafe"); |
| private static final Set<String> ALLOWED_MISSING_METHOD = |
| ImmutableSet.of( |
| // The takeWhile/dropWhile methods are present in the wrappers but not yet present on |
| // android.jar |
| // leading to NoSuchMethod errors, yet, we keep them for subsequent android versions. |
| "java.util.stream.IntStream" |
| + " java.util.stream.IntStream.dropWhile(java.util.function.IntPredicate)", |
| "java.util.stream.Stream java.util.stream.Stream.takeWhile(java.util.function.Predicate)", |
| "java.util.stream.LongStream" |
| + " java.util.stream.LongStream.dropWhile(java.util.function.LongPredicate)", |
| "java.util.stream.DoubleStream" |
| + " java.util.stream.DoubleStream.takeWhile(java.util.function.DoublePredicate)", |
| "java.util.stream.IntStream" |
| + " java.util.stream.IntStream.takeWhile(java.util.function.IntPredicate)", |
| "java.util.stream.Stream java.util.stream.Stream.dropWhile(java.util.function.Predicate)", |
| "java.util.stream.LongStream" |
| + " java.util.stream.LongStream.takeWhile(java.util.function.LongPredicate)", |
| "java.util.stream.DoubleStream" |
| + " java.util.stream.DoubleStream.dropWhile(java.util.function.DoublePredicate)", |
| // FileStore.getBlockSize() was added in 33 which confuses the required library (30). |
| "long java.nio.file.FileStore.getBlockSize()", |
| // The call is present but unreachable above 26. |
| "java.nio.channels.FileChannel" |
| + " java.nio.channels.DesugarChannels.openEmulatedFileChannel(java.nio.file.Path," |
| + " java.util.Set, java.nio.file.attribute.FileAttribute[])"); |
| |
| private final TestParameters parameters; |
| private final CompilationSpecification compilationSpecification; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(), |
| ImmutableList.of(JDK8, JDK11, JDK11_PATH), |
| ImmutableList.of(D8_L8DEBUG)); |
| } |
| |
| public DesugaredLibraryContentTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.compilationSpecification = compilationSpecification; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| } |
| |
| @Test |
| public void testDesugaredLibraryContent() throws Exception { |
| Assume.assumeTrue(libraryDesugaringSpecification.hasAnyDesugaring(parameters)); |
| testForL8(parameters.getApiLevel()) |
| .apply(libraryDesugaringSpecification::configureL8TestBuilder) |
| .compile() |
| .assertNoMessages() |
| .inspect(this::assertCorrect) |
| .inspect(this::assertAllInvokeResolve); |
| } |
| |
| private void assertAllInvokeResolve(CodeInspector inspector) throws IOException { |
| AndroidApp build = |
| AndroidApp.builder() |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .build(); |
| DirectMappedDexApplication libHolder = |
| new ApplicationReader(build, inspector.getApplication().options, Timing.empty()) |
| .read() |
| .toDirect(); |
| DirectMappedDexApplication finalApp = |
| inspector |
| .getApplication() |
| .toDirect() |
| .builder() |
| .replaceLibraryClasses(libHolder.libraryClasses()) |
| .build(); |
| AppInfoWithClassHierarchy appInfo = |
| AppView.createForD8( |
| AppInfo.createInitialAppInfo( |
| finalApp, GlobalSyntheticsStrategy.forNonSynthesizing())) |
| .appInfoForDesugaring(); |
| Map<DexMethod, Object> failures = new IdentityHashMap<>(); |
| for (FoundClassSubject clazz : inspector.allClasses()) { |
| for (FoundMethodSubject method : clazz.allMethods()) { |
| if (method.hasCode()) { |
| for (InstructionSubject instruction : method.instructions(InstructionSubject::isInvoke)) { |
| assertInvokeResolution(instruction, appInfo, method, failures); |
| } |
| } |
| } |
| } |
| for (DexMethod dexMethod : new HashSet<>(failures.keySet())) { |
| if (ALLOWED_MISSING_HOLDER.contains(dexMethod.getHolderType().toString())) { |
| failures.remove(dexMethod); |
| } else if (ALLOWED_MISSING_METHOD.contains(dexMethod.toString())) { |
| failures.remove(dexMethod); |
| } |
| } |
| assertTrue(failures.isEmpty()); |
| } |
| |
| private void assertInvokeResolution( |
| InstructionSubject instruction, |
| AppInfoWithClassHierarchy appInfo, |
| FoundMethodSubject context, |
| Map<DexMethod, Object> failures) { |
| DexMethod method = instruction.getMethod(); |
| assert method != null; |
| MethodResolutionResult methodResolutionResult = |
| appInfo.unsafeResolveMethodDueToDexFormatLegacy(method); |
| if (methodResolutionResult.isFailedResolution()) { |
| failures.put(method, new Pair(context, methodResolutionResult)); |
| } |
| } |
| |
| @Test |
| public void testDesugaredLibraryContentWithCoreLambdaStubsAsProgram() throws Exception { |
| Assume.assumeTrue(libraryDesugaringSpecification.hasAnyDesugaring(parameters)); |
| ArrayList<Path> coreLambdaStubs = new ArrayList<>(); |
| coreLambdaStubs.add(ToolHelper.getCoreLambdaStubs()); |
| testForL8(parameters.getApiLevel()) |
| .apply(libraryDesugaringSpecification::configureL8TestBuilder) |
| .addProgramFiles(coreLambdaStubs) |
| .compile() |
| .inspect(this::assertCorrect); |
| } |
| |
| @Test |
| public void testDesugaredLibraryContentWithCoreLambdaStubsAsLibrary() throws Exception { |
| Assume.assumeTrue(libraryDesugaringSpecification.hasAnyDesugaring(parameters)); |
| testForL8(parameters.getApiLevel()) |
| .apply(libraryDesugaringSpecification::configureL8TestBuilder) |
| .addLibraryFiles(ToolHelper.getCoreLambdaStubs()) |
| .compile() |
| .inspect(this::assertCorrect) |
| .inspectDiagnosticMessages( |
| diagnosticsHandler -> { |
| if (libraryDesugaringSpecification == JDK8) { |
| diagnosticsHandler.assertNoMessages(); |
| } else { |
| diagnosticsHandler.assertNoErrors(); |
| diagnosticsHandler.assertAllWarningsMatch( |
| diagnosticMessage(containsString("Specification conversion"))); |
| } |
| }); |
| } |
| |
| private void assertCorrect(CodeInspector inspector) { |
| inspector |
| .allClasses() |
| .forEach( |
| clazz -> |
| assertThat( |
| clazz.getOriginalName(), |
| CoreMatchers.anyOf(startsWith("j$."), startsWith("java.")))); |
| if (parameters.getApiLevel().getLevel() < AndroidApiLevel.O.getLevel()) { |
| assertThat(inspector.clazz("j$.time.Clock"), isPresent()); |
| } |
| // Above N the following classes are removed instead of being desugared. |
| if (parameters.getApiLevel().getLevel() >= AndroidApiLevel.N.getLevel()) { |
| assertFalse(inspector.clazz("j$.util.Optional").isPresent()); |
| assertFalse(inspector.clazz("j$.util.function.Function").isPresent()); |
| return; |
| } |
| assertThat(inspector.clazz("j$.util.Optional"), isPresent()); |
| if (libraryDesugaringSpecification.hasJDollarFunction(parameters)) { |
| assertThat(inspector.clazz("j$.util.function.Function"), isPresent()); |
| } |
| if (parameters.getApiLevel().isLessThan(AndroidApiLevel.K)) { |
| inspector.forAllClasses(clazz -> clazz.forAllMethods(this::assertNoSupressedInvocations)); |
| } |
| } |
| |
| private void assertNoSupressedInvocations(FoundMethodSubject method) { |
| if (method.isAbstract()) { |
| return; |
| } |
| for (InstructionSubject instruction : method.instructions()) { |
| if (instruction.isInvoke() && instruction.getMethod() != null) { |
| assertNotEquals( |
| instruction.getMethod(), new DexItemFactory().throwableMethods.addSuppressed); |
| } |
| } |
| } |
| |
| static class GuineaPig { |
| |
| public static void main(String[] args) {} |
| } |
| } |
