| // Copyright (c) 2023, 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.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 org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| 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.DexMethod; |
| import com.android.tools.r8.graph.DirectMappedDexApplication; |
| import com.android.tools.r8.graph.MethodResolutionResult; |
| import com.android.tools.r8.ir.desugar.BackportedMethodRewriter; |
| 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.InternalOptions; |
| 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 com.google.common.collect.Sets; |
| import java.io.IOException; |
| import java.util.IdentityHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| 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 DesugaredLibraryInvokeAllResolveTest 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 DesugaredLibraryInvokeAllResolveTest( |
| 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::assertAllInvokeResolve); |
| } |
| |
| private void assertAllInvokeResolve(CodeInspector inspector) throws IOException { |
| AndroidApp build = |
| AndroidApp.builder() |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .build(); |
| InternalOptions options = inspector.getApplication().options; |
| DirectMappedDexApplication libHolder = |
| new ApplicationReader(build, 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(); |
| Set<DexMethod> backports = Sets.newIdentityHashSet(); |
| BackportedMethodRewriter.generateListOfBackportedMethodsAndFields( |
| libHolder, options, backports::add, f -> {}); |
| Map<DexMethod, Object> failures = new IdentityHashMap<>(); |
| for (FoundClassSubject clazz : inspector.allClasses()) { |
| if (clazz.toString().startsWith("j$.sun.nio.cs.") |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.O)) { |
| // At high API level, the sun.nio.cs classes are there just for resolution, the field |
| // access is retargeted and the code is unused so it's ok if it does not resolve. |
| continue; |
| } |
| for (FoundMethodSubject method : clazz.allMethods()) { |
| if (method.hasCode()) { |
| for (InstructionSubject instruction : method.instructions(InstructionSubject::isInvoke)) { |
| assertInvokeResolution(instruction, appInfo, method, failures, backports); |
| } |
| } |
| } |
| } |
| assertTrue("Failing methods: " + shortPrintFailures(failures), failures.isEmpty()); |
| } |
| |
| private static List<String> shortPrintFailures(Map<DexMethod, Object> failures) { |
| return failures.keySet().stream() |
| .map(m -> m.getHolderType() + "#" + m.getName()) |
| .collect(Collectors.toList()); |
| } |
| |
| private boolean isAllowedFailure(DexMethod dexMethod, Set<DexMethod> backports) { |
| return ALLOWED_MISSING_HOLDER.contains(dexMethod.getHolderType().toString()) |
| || ALLOWED_MISSING_METHOD.contains(dexMethod.toString()) |
| || backports.contains(dexMethod); |
| } |
| |
| private void assertInvokeResolution( |
| InstructionSubject instruction, |
| AppInfoWithClassHierarchy appInfo, |
| FoundMethodSubject context, |
| Map<DexMethod, Object> failures, |
| Set<DexMethod> backports) { |
| DexMethod method = instruction.getMethod(); |
| assert method != null; |
| MethodResolutionResult methodResolutionResult = |
| appInfo.unsafeResolveMethodDueToDexFormatLegacy(method); |
| if (methodResolutionResult.isFailedResolution() && !isAllowedFailure(method, backports)) { |
| failures.put(method, new Pair<>(context, methodResolutionResult)); |
| } |
| } |
| } |
