| // 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.TestBase; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.nio.file.Path; |
| 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); |
| } |
| |
| 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(); |
| } |
| } |
| } |