| // 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.conversiontests; |
| |
| import static junit.framework.TestCase.assertEquals; |
| import static junit.framework.TestCase.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.ZipUtils; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FoundMethodSubject; |
| import java.nio.file.Path; |
| import java.util.List; |
| 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.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class CallBackConversionTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| private static final AndroidApiLevel MIN_SUPPORTED = AndroidApiLevel.N; |
| private static final String EXPECTED_RESULT = StringUtils.lines("0", "1", "0", "1"); |
| private static Path CUSTOM_LIB; |
| |
| @Parameters(name = "{0}, shrinkDesugaredLibrary: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getConversionParametersUpToExcluding(MIN_SUPPORTED), BooleanUtils.values()); |
| } |
| |
| public CallBackConversionTest(TestParameters parameters, boolean shrinkDesugaredLibrary) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @BeforeClass |
| public static void compileCustomLib() throws Exception { |
| CUSTOM_LIB = |
| testForD8(getStaticTemp()) |
| .setMinApi(MIN_SUPPORTED) |
| .addProgramClasses(CustomLibClass.class) |
| .compile() |
| .writeToZip(); |
| } |
| |
| private static void assertDuplicatedAPI(CodeInspector i) { |
| List<FoundMethodSubject> virtualMethods = i.clazz(Impl.class).virtualMethods(); |
| assertEquals(2, virtualMethods.size()); |
| assertTrue( |
| virtualMethods.stream() |
| .anyMatch( |
| m -> |
| m.getMethod() |
| .method |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("j$.util.function.Consumer"))); |
| assertTrue( |
| virtualMethods.stream() |
| .anyMatch( |
| m -> |
| m.getMethod() |
| .method |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("java.util.function.Consumer"))); |
| } |
| |
| @Test |
| public void testCallBack() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Impl.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(CallBackConversionTest::assertDuplicatedAPI) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .addRunClasspathFiles(CUSTOM_LIB) |
| .run(parameters.getRuntime(), Impl.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testCallBackD8Cf() throws Exception { |
| // Use D8 to desugar with Java classfile output. |
| Path firstJar = |
| testForD8(Backend.CF) |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Impl.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), new AbsentKeepRuleConsumer()) |
| .compile() |
| .inspect(CallBackConversionTest::assertDuplicatedAPI) |
| .writeToZip(); |
| |
| ClassFileInfo info = |
| extractClassFileInfo( |
| ZipUtils.readSingleEntry(firstJar, ZipUtils.zipEntryNameForClass(Impl.class))); |
| assertEquals( |
| Impl.class.getTypeName(), |
| DescriptorUtils.getJavaTypeFromBinaryName(info.getClassBinaryName())); |
| assertEquals(2, info.getMethodNames().stream().filter(name -> name.equals("foo")).count()); |
| |
| // Use D8 to desugar with Java classfile output. |
| Path secondJar = |
| testForD8(Backend.CF) |
| .addOptionsModification( |
| options -> options.desugarSpecificOptions().allowAllDesugaredInput = true) |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramFiles(firstJar) |
| .addLibraryClasses(CustomLibClass.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), new AbsentKeepRuleConsumer()) |
| .compile() |
| .inspect(CallBackConversionTest::assertDuplicatedAPI) |
| .writeToZip(); |
| |
| info = |
| extractClassFileInfo( |
| ZipUtils.readSingleEntry(secondJar, ZipUtils.zipEntryNameForClass(Impl.class))); |
| assertEquals( |
| Impl.class.getTypeName(), |
| DescriptorUtils.getJavaTypeFromBinaryName(info.getClassBinaryName())); |
| assertEquals(2, info.getMethodNames().stream().filter(name -> name.equals("foo")).count()); |
| |
| // Convert to DEX without desugaring and run. |
| testForD8() |
| .addProgramFiles(firstJar) |
| .setMinApi(parameters.getApiLevel()) |
| .disableDesugaring() |
| .compile() |
| .inspect(CallBackConversionTest::assertDuplicatedAPI) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| collectKeepRulesWithTraceReferences( |
| firstJar, buildDesugaredLibraryClassFile(parameters.getApiLevel())), |
| shrinkDesugaredLibrary) |
| .addRunClasspathFiles(CUSTOM_LIB) |
| .run(parameters.getRuntime(), Impl.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testCallBackR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(Backend.DEX) |
| .addKeepMainRule(Impl.class) |
| .noMinification() |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Impl.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .applyIf( |
| parameters.getApiLevel().isLessThan(AndroidApiLevel.N), |
| builder -> builder.addDontWarnVivifiedClass(Consumer.class)) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(this::assertLibraryOverridesThere) |
| .addDesugaredCoreLibraryRunClassPath(this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .addRunClasspathFiles(CUSTOM_LIB) |
| .run(parameters.getRuntime(), Impl.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testCallBackR8Minifying() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(Backend.DEX) |
| .addKeepMainRule(Impl.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramClasses(Impl.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .addDontWarnVivifiedClass(Consumer.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(this::assertLibraryOverridesThere) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .addRunClasspathFiles(CUSTOM_LIB) |
| .run(parameters.getRuntime(), Impl.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| private void assertLibraryOverridesThere(CodeInspector i) { |
| // The j$ method can be optimized, but the java method should be present to be called |
| // through the library. |
| List<FoundMethodSubject> virtualMethods = i.clazz(Impl.class).virtualMethods(); |
| assertTrue( |
| virtualMethods.stream() |
| .anyMatch( |
| m -> |
| m.getMethod().method.name.toString().equals("foo") |
| && m.getMethod() |
| .method |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("java.util.function.Consumer"))); |
| } |
| |
| static class Impl extends CustomLibClass { |
| |
| public int foo(Consumer<Object> o) { |
| o.accept(0); |
| return 1; |
| } |
| |
| public static void main(String[] args) { |
| Impl impl = new Impl(); |
| // Call foo through java parameter. |
| System.out.println(CustomLibClass.callFoo(impl, System.out::println)); |
| // Call foo through j$ parameter. |
| System.out.println(impl.foo(System.out::println)); |
| } |
| } |
| |
| abstract static class CustomLibClass { |
| |
| public abstract int foo(Consumer<Object> consumer); |
| |
| @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"}) |
| public static int callFoo(CustomLibClass object, Consumer<Object> consumer) { |
| return object.foo(consumer); |
| } |
| } |
| } |