| // Copyright (c) 2017, 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; |
| |
| import static com.android.tools.r8.utils.FileUtils.JAR_EXTENSION; |
| |
| import com.android.tools.r8.ToolHelper.ProcessResult; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.FileUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| public class D8ApiBinaryCompatibilityTests { |
| |
| @Rule |
| public TemporaryFolder temp = ToolHelper.getTemporaryFolderForTest(); |
| |
| @Test |
| public void testCompatibility() throws IOException { |
| Path jar = Paths.get("tests", "d8_api_usage_sample.jar"); |
| String main = "com.android.tools.apiusagesample.D8ApiUsageSample"; |
| int minApiLevel = AndroidApiLevel.K.getLevel(); |
| |
| Path lib1 = |
| Paths.get( |
| ToolHelper.EXAMPLES_ANDROID_O_BUILD_DIR, |
| "desugaringwithmissingclasslib1" + JAR_EXTENSION); |
| Path lib2 = |
| Paths.get( |
| ToolHelper.EXAMPLES_ANDROID_O_BUILD_DIR, |
| "desugaringwithmissingclasslib2" + JAR_EXTENSION); |
| Path inputDir = |
| Paths.get( |
| ToolHelper.EXAMPLES_ANDROID_O_BUILD_DIR, "classes", "desugaringwithmissingclasstest1"); |
| List<Path> input = |
| ImmutableList.of( |
| inputDir.resolve("ImplementMethodsWithDefault.class"), inputDir.resolve("Main.class")); |
| |
| Path mainDexList = temp.getRoot().toPath().resolve("maindexlist.txt"); |
| FileUtils.writeTextFile(mainDexList, "desugaringwithmissingclasstest1/Main.class"); |
| |
| // It is important to place the api usage sample jar after the current classpath because we want |
| // to find D8/R8 classes before the ones in the jar, otherwise renamed classes and fields cannot |
| // be found. |
| String classPath = System.getProperty("java.class.path") + File.pathSeparator + jar.toString(); |
| List<String> command = |
| ImmutableList.<String>builder() |
| .addAll( |
| ImmutableList.of( |
| ToolHelper.getJavaExecutable(), |
| "-cp", classPath, |
| main, |
| // Compiler arguments. |
| "--output", |
| temp.newFolder().getAbsolutePath(), |
| "--min-api", |
| Integer.toString(minApiLevel), |
| "--main-dex-list", |
| mainDexList.toString(), |
| "--lib", |
| ToolHelper.getAndroidJar( |
| AndroidApiLevel.getAndroidApiLevel(minApiLevel)).toString(), |
| "--classpath", |
| lib1.toString(), |
| "--classpath", |
| lib2.toString())) |
| .addAll(input.stream().map(Path::toString).collect(Collectors.toList())) |
| .build(); |
| |
| ProcessBuilder builder = new ProcessBuilder(command); |
| ProcessResult result = ToolHelper.runProcess(builder); |
| Assert.assertEquals(result.stderr + "\n" + result.stdout, 0, result.exitCode); |
| Assert.assertTrue(result.stdout, result.stdout.isEmpty()); |
| Assert.assertTrue(result.stderr, result.stderr.isEmpty()); |
| } |
| } |