| // 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; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.graph.ClassAccessFlags; |
| import com.android.tools.r8.transformers.ClassTransformer; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Test; |
| |
| public class BackportedMethodMergeTest extends TestBase { |
| @Test |
| public void testD8Merge() throws Exception { |
| String jvmOutput = testForJvm() |
| .addTestClasspath() |
| .run(MergeRun.class).getStdOut(); |
| // See b/123242448 |
| Path zip1 = temp.newFile("first.zip").toPath(); |
| Path zip2 = temp.newFile("second.zip").toPath(); |
| |
| testForD8() |
| .setMinApi(AndroidApiLevel.L) |
| .addProgramClasses(MergeRun.class, MergeInputB.class) |
| .compile() |
| .assertNoMessages() |
| .writeToZip(zip1); |
| testForD8() |
| .setMinApi(AndroidApiLevel.L) |
| .addProgramClasses(MergeInputA.class) |
| .compile() |
| .assertNoMessages() |
| .writeToZip(zip2); |
| testForD8() |
| .addProgramFiles(zip1, zip2) |
| .setMinApi(AndroidApiLevel.L) |
| .compile() |
| .assertNoMessages() |
| .run(MergeRun.class) |
| .assertSuccessWithOutput(jvmOutput); |
| } |
| |
| @Test |
| public void testMergeOldPrefix() |
| throws IOException, CompilationFailedException, ExecutionException { |
| byte[] transform = transformer($r8$java8methods$utility_MergeInputWithOldBackportedPrefix.class) |
| .addClassTransformer(new ClassTransformer() { |
| @Override |
| public void visit(int version, int access, String name, String signature, |
| String superName, String[] interfaces) { |
| ClassAccessFlags accessFlags = ClassAccessFlags.fromCfAccessFlags(access); |
| accessFlags.setSynthetic(); |
| super.visit(version, accessFlags.getAsCfAccessFlags(), |
| name, signature, superName, interfaces); |
| } |
| }).transform(); |
| |
| Path zip1 = temp.newFile("first.zip").toPath(); |
| Path zip2 = temp.newFile("second.zip").toPath(); |
| testForD8() |
| .setMinApi(AndroidApiLevel.L) |
| .addProgramClasses(MergeRunWithOldBackportedPrefix.class) |
| .addProgramClassFileData(transform) |
| .compile() |
| .assertNoMessages() |
| .writeToZip(zip1); |
| testForD8() |
| .setMinApi(AndroidApiLevel.L) |
| .addProgramClassFileData(transform) |
| .compile() |
| .assertNoMessages() |
| .writeToZip(zip2); |
| testForD8() |
| .addProgramFiles(zip1, zip2) |
| .setMinApi(AndroidApiLevel.L) |
| .compile() |
| .assertNoMessages() |
| .run(MergeRunWithOldBackportedPrefix.class) |
| .assertSuccessWithOutputLines("foobar"); |
| } |
| |
| |
| static class $r8$java8methods$utility_MergeInputWithOldBackportedPrefix { |
| public void foo() { |
| System.out.println("foobar"); |
| } |
| |
| } |
| |
| static class MergeRunWithOldBackportedPrefix { |
| public static void main(String[] args) { |
| $r8$java8methods$utility_MergeInputWithOldBackportedPrefix a = |
| new $r8$java8methods$utility_MergeInputWithOldBackportedPrefix(); |
| a.foo(); |
| } |
| } |
| |
| static class MergeInputA { |
| public void foo() { |
| System.out.println(Integer.hashCode(42)); |
| System.out.println(Double.hashCode(42.0)); |
| } |
| } |
| |
| static class MergeInputB { |
| public void foo() { |
| System.out.println(Integer.hashCode(43)); |
| System.out.println(Double.hashCode(43.0)); |
| } |
| } |
| |
| static class MergeRun { |
| public static void main(String[] args) { |
| MergeInputA a = new MergeInputA(); |
| MergeInputB b = new MergeInputB(); |
| a.foo(); |
| b.foo(); |
| } |
| } |
| } |