| // 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.LibraryDesugaringSpecification.JDK11; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11_MINIMAL; |
| 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.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8AndAll3Jdk11; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.graph.DexField; |
| import com.android.tools.r8.graph.DexMember; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.ir.desugar.desugaredlibrary.lint.SupportedClasses; |
| import com.android.tools.r8.ir.desugar.desugaredlibrary.lint.SupportedClasses.MemberAnnotation; |
| import com.android.tools.r8.ir.desugar.desugaredlibrary.lint.SupportedClassesGenerator; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.InternalOptions; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** This test validates that anything supported at API N-1 is supported at API N. */ |
| @RunWith(Parameterized.class) |
| public class PartialDesugaringTest extends DesugaredLibraryTestBase { |
| |
| LibraryDesugaringSpecification librarySpecification; |
| |
| @Parameters(name = "{0}, spec: {1}") |
| public static List<Object[]> data() { |
| return buildParameters(getTestParameters().withNoneRuntime().build(), getJdk8AndAll3Jdk11()); |
| } |
| |
| public PartialDesugaringTest( |
| TestParameters parameters, LibraryDesugaringSpecification librarySpecification) { |
| assert parameters.isNoneRuntime(); |
| this.librarySpecification = librarySpecification; |
| } |
| |
| private static List<AndroidApiLevel> getRelevantApiLevels() { |
| // B is implicit - everything is supported on B. |
| return ImmutableList.of( |
| AndroidApiLevel.K, |
| AndroidApiLevel.L, |
| AndroidApiLevel.M, |
| AndroidApiLevel.N, |
| AndroidApiLevel.O, |
| AndroidApiLevel.P, |
| AndroidApiLevel.Q, |
| AndroidApiLevel.R, |
| AndroidApiLevel.S, |
| AndroidApiLevel.T, |
| AndroidApiLevel.U); |
| } |
| |
| // TODO(b/268425188): Fix remaining failures. |
| private static final Set<String> FAILURES_STREAM = |
| ImmutableSet.of( |
| "java.util.stream.Stream java.util.stream.Stream.takeWhile(java.util.function.Predicate)", |
| "java.util.stream.Stream" |
| + " java.util.stream.Stream.dropWhile(java.util.function.Predicate)"); |
| private static final Set<String> FAILURES_NUMBER_STREAM = |
| ImmutableSet.of( |
| "java.util.stream.IntStream" |
| + " java.util.stream.IntStream.dropWhile(java.util.function.IntPredicate)", |
| "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.LongStream" |
| + " java.util.stream.LongStream.takeWhile(java.util.function.LongPredicate)", |
| "java.util.stream.DoubleStream" |
| + " java.util.stream.DoubleStream.dropWhile(java.util.function.DoublePredicate)"); |
| private static final Set<String> FAILURES_FILE_STORE = |
| ImmutableSet.of( |
| // FileStore.getBlockSize() was added in 33. |
| "long java.nio.file.FileStore.getBlockSize()"); |
| private static final Set<String> FAILURES_SUMMARY_STATISTICS = |
| ImmutableSet.of( |
| "void java.util.LongSummaryStatistics.<init>(long, long, long, long)", |
| "void java.util.IntSummaryStatistics.<init>(long, int, int, long)"); |
| // For some reason, in Android T, the other constructor were added but not this one... |
| private static final Set<String> FAILURES_DOUBLE_SUMMARY_STATISTICS = |
| ImmutableSet.of( |
| "void java.util.DoubleSummaryStatistics.<init>(long, double, double, double)"); |
| private static final Set<String> FAILURES_TO_ARRAY = |
| ImmutableSet.of( |
| // See b/266401747: Desugaring is disabled. |
| "java.lang.Object[] java.util.Collection.toArray(java.util.function.IntFunction)"); |
| private static final Set<String> FAILURES_ERA = |
| ImmutableSet.of( |
| // This fails on Java 8 desugared library due to missing covariant return type. |
| // The method is present on platform from 33 but not in android.jar... |
| "java.time.chrono.IsoEra java.time.LocalDate.getEra()"); |
| private static final Set<String> FAILURES_CHRONOLOGY = |
| ImmutableSet.of( |
| "long java.time.chrono.Chronology.epochSecond(int, int, int, int, int, int," |
| + " java.time.ZoneOffset)", |
| "long java.time.chrono.Chronology.epochSecond(java.time.chrono.Era, int, int, int, int," |
| + " int, int, java.time.ZoneOffset)", |
| "long java.time.chrono.IsoChronology.epochSecond(int, int, int, int, int, int," |
| + " java.time.ZoneOffset)"); |
| private static final Set<String> FAILURES_DATE_TIME_BUILDER = |
| ImmutableSet.of( |
| "java.time.format.DateTimeFormatterBuilder" |
| + " java.time.format.DateTimeFormatterBuilder.appendGenericZoneText(java.time.format.TextStyle)", |
| "java.time.format.DateTimeFormatterBuilder" |
| + " java.time.format.DateTimeFormatterBuilder.appendGenericZoneText(java.time.format.TextStyle," |
| + " java.util.Set)"); |
| |
| private static final Set<String> FAILURES_JAPANESE_ERA = |
| ImmutableSet.of("Field java.time.chrono.JapaneseEra java.time.chrono.JapaneseEra.REIWA"); |
| |
| @Test |
| public void test() throws Exception { |
| SupportedClasses supportedClasses = |
| new SupportedClassesGenerator( |
| new InternalOptions(), ToolHelper.getAndroidJar(AndroidApiLevel.U)) |
| .run(librarySpecification.getDesugarJdkLibs(), librarySpecification.getSpecification()); |
| |
| for (AndroidApiLevel api : getRelevantApiLevels()) { |
| |
| Set<DexMethod> localMethodFailures = Sets.newIdentityHashSet(); |
| Set<DexField> localFieldFailures = Sets.newIdentityHashSet(); |
| |
| supportedClasses.forEachClass( |
| supportedClass -> { |
| supportedClass.forEachMethodAndAnnotation( |
| (method, annotation) -> { |
| if (missingFromRange(api, annotation)) { |
| localMethodFailures.add(method.getReference()); |
| } |
| }); |
| supportedClass.forEachFieldAndAnnotation( |
| (field, annotation) -> { |
| if (missingFromRange(api, annotation)) { |
| localFieldFailures.add(field.getReference()); |
| } |
| }); |
| }); |
| |
| assertStringEqualsAtApi(localFieldFailures, getExpectedFieldFailures(api), api); |
| assertStringEqualsAtApi(localMethodFailures, getExpectedMethodFailures(api), api); |
| } |
| } |
| |
| private void assertStringEqualsAtApi( |
| Set<? extends DexMember<?, ?>> found, Set<String> expected, AndroidApiLevel api) { |
| Set<String> apiFailuresString = |
| found.stream().map(DexMember::toString).collect(Collectors.toSet()); |
| assertEquals("Failure for api " + api, expected, apiFailuresString); |
| } |
| |
| private boolean missingFromRange(AndroidApiLevel api, MemberAnnotation annotation) { |
| if (annotation != null && annotation.isUnsupportedInMinApiRange()) { |
| return api.getLevel() >= annotation.getMinRange() |
| && api.getLevel() <= annotation.getMaxRange(); |
| } |
| return false; |
| } |
| |
| private Set<String> getExpectedFieldFailures(AndroidApiLevel api) { |
| if (librarySpecification == JDK11 || librarySpecification == JDK11_PATH) { |
| if (api.isGreaterThanOrEqualTo(AndroidApiLevel.O) && api.isLessThan(AndroidApiLevel.R)) { |
| return FAILURES_JAPANESE_ERA; |
| } |
| } |
| return ImmutableSet.of(); |
| } |
| |
| private Set<String> getExpectedMethodFailures(AndroidApiLevel api) { |
| Set<String> expectedFailures = new HashSet<>(); |
| boolean jdk11NonMinimal = librarySpecification != JDK8 && librarySpecification != JDK11_MINIMAL; |
| if (jdk11NonMinimal && api.isGreaterThanOrEqualTo(AndroidApiLevel.N)) { |
| expectedFailures.addAll(FAILURES_NUMBER_STREAM); |
| if (api.isLessThan(AndroidApiLevel.U)) { |
| expectedFailures.addAll(FAILURES_STREAM); |
| expectedFailures.addAll(FAILURES_DOUBLE_SUMMARY_STATISTICS); |
| } |
| if (api.isLessThan(AndroidApiLevel.T)) { |
| expectedFailures.addAll(FAILURES_SUMMARY_STATISTICS); |
| } |
| } |
| if (librarySpecification == JDK11_PATH |
| && api.isGreaterThanOrEqualTo(AndroidApiLevel.O) |
| && api.isLessThan(AndroidApiLevel.T)) { |
| expectedFailures.addAll(FAILURES_FILE_STORE); |
| } |
| if (librarySpecification != JDK11_MINIMAL |
| && api.isGreaterThanOrEqualTo(AndroidApiLevel.N) |
| && api.isLessThan(AndroidApiLevel.T)) { |
| expectedFailures.addAll(FAILURES_TO_ARRAY); |
| } |
| if (jdk11NonMinimal |
| && api.isGreaterThanOrEqualTo(AndroidApiLevel.O) |
| && api.isLessThan(AndroidApiLevel.U)) { |
| expectedFailures.addAll(FAILURES_CHRONOLOGY); |
| expectedFailures.addAll(FAILURES_DATE_TIME_BUILDER); |
| } |
| if (librarySpecification == JDK8 && api.isGreaterThanOrEqualTo(AndroidApiLevel.O)) { |
| expectedFailures.addAll(FAILURES_ERA); |
| } |
| return expectedFailures; |
| } |
| } |
