| // 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; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.ByteDataView; |
| import com.android.tools.r8.ClassFileConsumer; |
| import com.android.tools.r8.ClassFileConsumer.ForwardingConsumer; |
| import com.android.tools.r8.DiagnosticsHandler; |
| import com.android.tools.r8.R8FullTestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.InternalOptions; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.objectweb.asm.ClassReader; |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class DesugarToClassFileDeprecatedAttribute extends TestBase { |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| private final TestParameters parameters; |
| |
| public DesugarToClassFileDeprecatedAttribute(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private boolean isDeprecated(int access) { |
| return (access & Opcodes.ACC_DEPRECATED) == Opcodes.ACC_DEPRECATED; |
| } |
| |
| private void checkDeprecatedAttributes(byte[] classBytes) { |
| ClassReader cr = new ClassReader(classBytes); |
| cr.accept( |
| new ClassVisitor(InternalOptions.ASM_VERSION) { |
| @Override |
| public void visit( |
| int version, |
| int access, |
| String name, |
| String signature, |
| String superName, |
| String[] interfaces) { |
| assertTrue(isDeprecated(access)); |
| } |
| |
| @Override |
| public MethodVisitor visitMethod( |
| int access, String name, String desc, String signature, String[] exceptions) { |
| if (!name.equals("<init>")) { |
| assertTrue(isDeprecated(access)); |
| } |
| return super.visitMethod(access, name, desc, signature, exceptions); |
| } |
| |
| @Override |
| public FieldVisitor visitField( |
| int access, String name, String descriptor, String signature, Object value) { |
| assertTrue(isDeprecated(access)); |
| return super.visitField(access, name, descriptor, signature, value); |
| } |
| }, |
| 0); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| checkDeprecatedAttributes( |
| Files.readAllBytes(ToolHelper.getClassFileForTestClass(TestClass.class))); |
| |
| // Use D8 to desugar with Java classfile output. |
| Path jar = |
| testForD8(Backend.CF) |
| .addProgramClasses(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .setProgramConsumer( |
| new ClassFileConsumer.ForwardingConsumer(null) { |
| @Override |
| public void accept( |
| ByteDataView data, String descriptor, DiagnosticsHandler handler) { |
| checkDeprecatedAttributes(data.getBuffer()); |
| } |
| }) |
| .compile() |
| .writeToZip(); |
| |
| if (parameters.getRuntime().isCf()) { |
| // Run on the JVM. |
| testForJvm() |
| .addProgramFiles(jar) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello, world!"); |
| } else { |
| assert parameters.getRuntime().isDex(); |
| // Convert to DEX without desugaring. |
| testForD8() |
| .addProgramFiles(jar) |
| .setMinApi(parameters.getApiLevel()) |
| .disableDesugaring() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello, world!"); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| R8FullTestBuilder builder = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addKeepClassAndMembersRules(TestClass.class) |
| .addKeepAllAttributes() |
| .setMinApi(parameters.getApiLevel()); |
| if (parameters.isCfRuntime()) { |
| builder.setProgramConsumer( |
| new ForwardingConsumer(null) { |
| @Override |
| public void accept(ByteDataView data, String descriptor, DiagnosticsHandler handler) { |
| checkDeprecatedAttributes(data.getBuffer()); |
| } |
| }); |
| } |
| builder |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello, world!"); |
| } |
| |
| @Deprecated |
| public static class TestClass { |
| @Deprecated public Object object = new Object(); |
| |
| @Deprecated |
| public static void main(String[] args) { |
| System.out.println("Hello, world!"); |
| } |
| } |
| } |