| // Copyright (c) 2021, 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 org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.LibraryDesugaringTestConfiguration; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.ZipUtils.ZipBuilder; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.function.Consumer; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| // See b/204518518. |
| @RunWith(Parameterized.class) |
| public class ProgramInterfaceWithLibraryMethod extends DesugaredLibraryTestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| private static final String EXPECTED_RESULT = StringUtils.lines("Hello, world!"); |
| private static Path CUSTOM_LIB_DEX; |
| private static Path CUSTOM_LIB_CF; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| @BeforeClass |
| public static void compileCustomLib() throws Exception { |
| CUSTOM_LIB_DEX = getStaticTemp().newFolder().toPath().resolve("customLibDex.jar"); |
| testForD8(getStaticTemp()) |
| .addProgramClasses(LibraryClass.class) |
| .setMinApi(AndroidApiLevel.B) |
| .compile() |
| .writeToZip(CUSTOM_LIB_DEX); |
| CUSTOM_LIB_CF = getStaticTemp().newFolder().toPath().resolve("customLibCf.jar"); |
| ZipBuilder.builder(CUSTOM_LIB_CF) |
| .addBytes( |
| DescriptorUtils.getPathFromJavaType(LibraryClass.class), |
| Files.readAllBytes(ToolHelper.getClassFileForTestClass(LibraryClass.class))) |
| .build(); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| testForD8() |
| .addLibraryFiles(getLibraryFile()) |
| .addLibraryClasses(LibraryClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Executor.class, ProgramInterface.class, ProgramClass.class) |
| .enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forApiLevel(parameters.getApiLevel())) |
| .compile() |
| .addRunClasspathFiles(CUSTOM_LIB_DEX) |
| .run(parameters.getRuntime(), Executor.class) |
| .applyIf( |
| parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N), |
| r -> r.assertSuccessWithOutput(EXPECTED_RESULT), |
| r -> r.assertFailureWithErrorThatThrows(AbstractMethodError.class)); |
| } |
| |
| @Test |
| public void testD8CfToCf() throws Exception { |
| Path jar = |
| testForD8(Backend.CF) |
| .addLibraryFiles(getLibraryFile()) |
| .addLibraryClasses(LibraryClass.class) |
| .addProgramClasses(Executor.class, ProgramInterface.class, ProgramClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forApiLevel(parameters.getApiLevel())) |
| .compile() |
| .writeToZip(); |
| if (parameters.getRuntime().isDex()) { |
| testForD8() |
| .addProgramFiles(jar) |
| .setMinApi(parameters.getApiLevel()) |
| .disableDesugaring() |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .addRunClasspathFiles(CUSTOM_LIB_DEX) |
| .run(parameters.getRuntime(), Executor.class) |
| .applyIf( |
| parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N), |
| r -> r.assertSuccessWithOutput(EXPECTED_RESULT), |
| r -> r.assertFailureWithErrorThatThrows(AbstractMethodError.class)); |
| } else { |
| testForJvm() |
| .addProgramFiles(jar) |
| .addRunClasspathFiles(getDesugaredLibraryInCF(parameters, options -> {})) |
| .addRunClasspathFiles(CUSTOM_LIB_CF) |
| .run(parameters.getRuntime(), Executor.class) |
| .applyIf( |
| parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N), |
| r -> r.assertSuccessWithOutput(EXPECTED_RESULT), |
| r -> r.assertFailureWithErrorThatThrows(AbstractMethodError.class)); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addLibraryFiles(getLibraryFile()) |
| .addLibraryClasses(LibraryClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Executor.class, ProgramInterface.class, ProgramClass.class) |
| .addKeepMainRule(Executor.class) |
| .enableCoreLibraryDesugaring( |
| LibraryDesugaringTestConfiguration.forApiLevel(parameters.getApiLevel())) |
| .compile() |
| .addRunClasspathFiles(parameters.isDexRuntime() ? CUSTOM_LIB_DEX : CUSTOM_LIB_CF) |
| .run(parameters.getRuntime(), Executor.class) |
| .applyIf( |
| parameters.isDexRuntime() |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N), |
| r -> r.assertSuccessWithOutput(EXPECTED_RESULT), |
| r -> r.assertFailureWithErrorThatThrows(NoSuchMethodError.class)); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| invoke(new ProgramClass()); |
| } |
| |
| static void invoke(ProgramInterface i) { |
| i.methodTakingConsumer(null); |
| } |
| } |
| |
| interface ProgramInterface { |
| void methodTakingConsumer(Consumer<String> consumer); |
| } |
| |
| static class ProgramClass extends LibraryClass implements ProgramInterface { |
| // TODO(b/204518518): Adding this forwarding method fixes the issue. |
| // public void methodTakingConsumer(Consumer<String> consumer) { |
| // super.methodTakingConsumer(consumer); |
| // } |
| } |
| |
| // 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 LibraryClass { |
| |
| public void methodTakingConsumer(Consumer<String> consumer) { |
| System.out.println("Hello, world!"); |
| } |
| } |
| } |