| // Copyright (c) 2020, 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.MarkerMatcher.assertMarkersMatch; |
| import static com.android.tools.r8.MarkerMatcher.markerBackend; |
| import static com.android.tools.r8.MarkerMatcher.markerCompilationMode; |
| import static com.android.tools.r8.MarkerMatcher.markerHasDesugaredLibraryIdentifier; |
| import static com.android.tools.r8.MarkerMatcher.markerIsDesugared; |
| import static com.android.tools.r8.MarkerMatcher.markerMinApi; |
| import static com.android.tools.r8.MarkerMatcher.markerTool; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static org.hamcrest.CoreMatchers.allOf; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.CompilationMode; |
| import com.android.tools.r8.D8TestCompileResult; |
| import com.android.tools.r8.ExtractMarker; |
| import com.android.tools.r8.LibraryDesugaringTestConfiguration; |
| import com.android.tools.r8.TestDiagnosticMessages; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.dex.Marker; |
| import com.android.tools.r8.dex.Marker.Tool; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.hamcrest.Matcher; |
| 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 MergingWithDesugaredLibraryTest extends DesugaredLibraryTestBase { |
| |
| private static final String JAVA_RESULT = "java.util.stream.ReferencePipeline$Head"; |
| private static final String J$_RESULT = "j$.util.stream.ReferencePipeline$Head"; |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| |
| @Parameters(name = "{0}, spec: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), getJdk8Jdk11()); |
| } |
| |
| public MergingWithDesugaredLibraryTest( |
| TestParameters parameters, LibraryDesugaringSpecification libraryDesugaringSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| } |
| |
| @Test |
| public void testMergeDesugaredAndNonDesugared() throws Exception { |
| D8TestCompileResult compileResult = |
| testForD8() |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .addProgramFiles(buildPart1DesugaredLibrary(), buildPart2NoDesugaredLibrary()) |
| .setMinApi(parameters.getApiLevel()) |
| .applyIf( |
| someLibraryDesugaringRequired(), |
| b -> |
| b.enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forSpecification( |
| libraryDesugaringSpecification.getSpecification()))) |
| .compile() |
| .addRunClasspathFiles( |
| getNonShrunkDesugaredLib(parameters, libraryDesugaringSpecification)); |
| compileResult |
| .run(parameters.getRuntime(), Part1.class) |
| .assertSuccessWithOutputLines(getExpected()); |
| boolean expectNoSuchMethodError = |
| parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isOlderThan(Version.V7_0_0); |
| compileResult |
| .run(parameters.getRuntime(), Part2.class) |
| .assertFailureWithErrorThatThrowsIf(expectNoSuchMethodError, NoSuchMethodError.class) |
| .assertSuccessWithOutputLinesIf(!expectNoSuchMethodError, JAVA_RESULT); |
| } |
| |
| private String getExpected() { |
| if (parameters.getApiLevel().getLevel() >= AndroidApiLevel.N.getLevel()) { |
| return JAVA_RESULT; |
| } else { |
| return J$_RESULT; |
| } |
| } |
| |
| @Test |
| public void testMergeDesugaredWithShrunkenLib() throws Exception { |
| // Compile a library with R8 to CF. |
| Path shrunkenLib = |
| testForR8(Backend.CF) |
| .addProgramClasses(Part2.class) |
| .addKeepClassRules(Part2.class) |
| .compile() |
| .writeToZip(); |
| |
| // R8 class file output marker has no library desugaring identifier. |
| Matcher<Marker> libraryMatcher = |
| allOf( |
| markerTool(Tool.R8), |
| markerCompilationMode(CompilationMode.RELEASE), |
| not(markerIsDesugared()), |
| not(markerHasDesugaredLibraryIdentifier())); |
| assertMarkersMatch(ExtractMarker.extractMarkerFromJarFile(shrunkenLib), libraryMatcher); |
| |
| // Build an app with the R8 compiled library. |
| Path app = |
| testForD8() |
| .addProgramFiles(buildPart1DesugaredLibrary(), shrunkenLib) |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .setMinApi(parameters.getApiLevel()) |
| .applyIf( |
| someLibraryDesugaringRequired(), |
| b -> |
| b.enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forSpecification( |
| libraryDesugaringSpecification.getSpecification()))) |
| .compile() |
| .writeToZip(); |
| |
| // The app has both the R8 marker from the library compilation and the D8 marker from dexing. |
| Matcher<Marker> d8Matcher = |
| allOf( |
| markerTool(Tool.D8), |
| markerIsDesugared(), |
| markerHasDesugaredLibraryIdentifier( |
| libraryDesugaringSpecification.hasAnyDesugaring(parameters))); |
| assertMarkersMatch( |
| ExtractMarker.extractMarkerFromDexFile(app), ImmutableList.of(libraryMatcher, d8Matcher)); |
| } |
| |
| @Test |
| public void testMergeDesugaredWithDesugaredLib() throws Exception { |
| // Compile a library with D8 to CF. |
| Path desugaredLibCf = |
| testForD8(Backend.CF) |
| .addProgramClasses(Part2.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| |
| // D8 class file output marker has desugaring but no library desugaring. |
| Matcher<Marker> markerMatcher = |
| allOf( |
| markerTool(Tool.D8), |
| markerCompilationMode(CompilationMode.DEBUG), |
| markerBackend(Backend.CF), |
| markerIsDesugared(), |
| markerMinApi(parameters.getApiLevel()), |
| not(markerHasDesugaredLibraryIdentifier())); |
| assertMarkersMatch(ExtractMarker.extractMarkerFromJarFile(desugaredLibCf), markerMatcher); |
| |
| Path desugaredLibDex = |
| testForD8() |
| .addProgramFiles(desugaredLibCf) |
| .disableDesugaring() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| |
| // D8 dex file output marker has the same marker as the D8 class file output. |
| Matcher<Marker> dexMarkerMatcher = |
| allOf( |
| markerTool(Tool.D8), |
| markerCompilationMode(CompilationMode.DEBUG), |
| markerBackend(Backend.DEX), |
| markerIsDesugared(), |
| markerMinApi(parameters.getApiLevel()), |
| not(markerHasDesugaredLibraryIdentifier())); |
| List<Matcher<Marker>> markerMatcherAfterDex = ImmutableList.of(markerMatcher, dexMarkerMatcher); |
| assertMarkersMatch( |
| ExtractMarker.extractMarkerFromJarFile(desugaredLibDex), markerMatcherAfterDex); |
| |
| // Build an app using library desugaring merging with library not using library desugaring. |
| Path app; |
| app = |
| testForD8() |
| .addProgramFiles(buildPart1DesugaredLibrary(), desugaredLibDex) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| |
| // When there is no class-file resources we are adding the marker for the last compilation. |
| List<Matcher<Marker>> expectedMarkers = new ArrayList<>(); |
| expectedMarkers.add(markerMatcher); |
| expectedMarkers.add(dexMarkerMatcher); |
| if (someLibraryDesugaringRequired()) { |
| expectedMarkers.add( |
| allOf( |
| markerTool(Tool.D8), |
| markerCompilationMode(CompilationMode.DEBUG), |
| markerBackend(Backend.DEX), |
| markerIsDesugared(), |
| markerMinApi(parameters.getApiLevel()), |
| markerHasDesugaredLibraryIdentifier())); |
| } |
| assertMarkersMatch(ExtractMarker.extractMarkerFromDexFile(app), expectedMarkers); |
| } |
| |
| private boolean expectError() { |
| return someLibraryDesugaringRequired(); |
| } |
| |
| private boolean someLibraryDesugaringRequired() { |
| return libraryDesugaringSpecification.hasAnyDesugaring(parameters); |
| } |
| |
| @Test |
| public void testMergeDesugaredAndClassFile() throws Exception { |
| D8TestCompileResult compileResult = |
| testForD8() |
| .addProgramFiles(buildPart1DesugaredLibrary()) |
| .addProgramClasses(Part2.class) |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .setMinApi(parameters.getApiLevel()) |
| .applyIf( |
| someLibraryDesugaringRequired(), |
| b -> |
| b.enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forSpecification( |
| libraryDesugaringSpecification.getSpecification()))) |
| .compile() |
| .addRunClasspathFiles( |
| getNonShrunkDesugaredLib(parameters, libraryDesugaringSpecification)) |
| .inspectDiagnosticMessages(this::assertWarningPresent); |
| compileResult |
| .run(parameters.getRuntime(), Part1.class) |
| .assertSuccessWithOutputLines(getExpected()); |
| compileResult |
| .run(parameters.getRuntime(), Part2.class) |
| .assertSuccessWithOutputLines(getExpected()); |
| } |
| |
| private void assertWarningPresent(TestDiagnosticMessages testDiagnosticMessages) { |
| if (!someLibraryDesugaringRequired()) { |
| return; |
| } |
| assertTrue( |
| testDiagnosticMessages.getWarnings().stream() |
| .anyMatch( |
| warn -> warn.getDiagnosticMessage().startsWith("The compilation is slowed down"))); |
| } |
| |
| private Path buildPart1DesugaredLibrary() throws Exception { |
| return testForD8() |
| .addLibraryFiles(libraryDesugaringSpecification.getLibraryFiles()) |
| .addProgramClasses(Part1.class) |
| .setMinApi(parameters.getApiLevel()) |
| .applyIf( |
| someLibraryDesugaringRequired(), |
| b -> |
| b.enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forSpecification( |
| libraryDesugaringSpecification.getSpecification()))) |
| .compile() |
| .writeToZip(); |
| } |
| |
| private Path buildPart2NoDesugaredLibrary() throws Exception { |
| return testForD8() |
| .addProgramClasses(Part2.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| } |
| |
| @SuppressWarnings("RedundantOperationOnEmptyContainer") |
| static class Part1 { |
| |
| public static void main(String[] args) { |
| System.out.println(new ArrayList<>().stream().getClass().getName()); |
| } |
| } |
| |
| @SuppressWarnings("RedundantOperationOnEmptyContainer") |
| static class Part2 { |
| |
| public static void main(String[] args) { |
| System.out.println(new ArrayList<>().stream().getClass().getName()); |
| } |
| } |
| } |
