| // 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.corelib; |
| |
| import static junit.framework.TestCase.assertEquals; |
| |
| import com.android.tools.r8.L8; |
| import com.android.tools.r8.L8Command; |
| import com.android.tools.r8.OutputMode; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class CoreLibDesugarTestBase extends TestBase { |
| |
| @Deprecated |
| protected boolean requiresCoreLibDesugaring(TestParameters parameters) { |
| // TODO(b/134732760): Use the two other APIS instead. |
| return requiresEmulatedInterfaceCoreLibDesugaring(parameters) |
| && requiresRetargetCoreLibMemberDesugaring(parameters); |
| } |
| |
| protected boolean requiresEmulatedInterfaceCoreLibDesugaring(TestParameters parameters) { |
| return parameters.getApiLevel().getLevel() < AndroidApiLevel.N.getLevel(); |
| } |
| |
| protected boolean requiresRetargetCoreLibMemberDesugaring(TestParameters parameters) { |
| return parameters.getApiLevel().getLevel() < AndroidApiLevel.O.getLevel(); |
| } |
| |
| protected boolean requiresAnyCoreLibDesugaring(TestParameters parameters) { |
| return requiresRetargetCoreLibMemberDesugaring(parameters); |
| } |
| |
| protected Path buildDesugaredLibrary(AndroidApiLevel apiLevel) throws RuntimeException { |
| return buildDesugaredLibrary(apiLevel, "", false); |
| } |
| |
| protected Path buildDesugaredLibrary(AndroidApiLevel apiLevel, String keepRules) |
| throws RuntimeException { |
| return buildDesugaredLibrary(apiLevel, keepRules, true); |
| } |
| |
| protected Path buildDesugaredLibrary(AndroidApiLevel apiLevel, String keepRules, boolean shrink) |
| throws RuntimeException { |
| return buildDesugaredLibrary(apiLevel, keepRules, shrink, ImmutableList.of()); |
| } |
| |
| protected Path buildDesugaredLibrary( |
| AndroidApiLevel apiLevel, String keepRules, boolean shrink, List<Path> additionalProgramFiles) |
| throws RuntimeException { |
| // We wrap exceptions in a RuntimeException to call this from a lambda. |
| try { |
| Path desugaredLib = temp.newFolder().toPath().resolve("desugar_jdk_libs_dex.zip"); |
| L8Command.Builder l8Builder = |
| L8Command.builder() |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addProgramFiles(ToolHelper.getDesugarJDKLibs()) |
| .addProgramFiles(additionalProgramFiles) |
| .addSpecialLibraryConfiguration("default") |
| .setMinApiLevel(apiLevel.getLevel()) |
| .setOutput(desugaredLib, OutputMode.DexIndexed); |
| if (shrink) { |
| l8Builder.addProguardConfiguration( |
| Arrays.asList(keepRules.split(System.lineSeparator())), Origin.unknown()); |
| } |
| L8.run(l8Builder.build()); |
| return desugaredLib; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| protected void assertLines2By2Correct(String stdOut) { |
| String[] lines = stdOut.split("\n"); |
| assert lines.length % 2 == 0; |
| for (int i = 0; i < lines.length; i += 2) { |
| assertEquals(lines[i], lines[i + 1]); |
| } |
| } |
| } |