| // Copyright (c) 2016, 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.internal; |
| |
| import com.android.tools.r8.CompilationException; |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.DexIndexedConsumer; |
| import com.android.tools.r8.OutputMode; |
| import com.android.tools.r8.R8Command; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.graph.DexEncodedMethod; |
| import com.android.tools.r8.shaking.ProguardRuleParserException; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.AndroidApp; |
| import com.beust.jcommander.internal.Lists; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Collections; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Test; |
| |
| public class R8GMSCoreDeterministicTest extends GMSCoreCompilationTestBase { |
| |
| public Set<DexEncodedMethod> shuffle(Set<DexEncodedMethod> methods) { |
| List<DexEncodedMethod> toShuffle = Lists.newArrayList(methods); |
| Collections.shuffle(toShuffle); |
| return new LinkedHashSet<>(toShuffle); |
| } |
| |
| private AndroidApp doRun() |
| throws IOException, ProguardRuleParserException, CompilationException, ExecutionException, |
| CompilationFailedException { |
| R8Command command = |
| R8Command.builder() |
| .addProgramFiles(Paths.get(GMSCORE_V7_DIR, GMSCORE_APK)) |
| .setProgramConsumer(DexIndexedConsumer.emptyConsumer()) |
| .setMinApiLevel(AndroidApiLevel.L.getLevel()) |
| .build(); |
| return ToolHelper.runR8( |
| command, |
| options -> { |
| // For this test just do random shuffle. |
| options.testing.irOrdering = this::shuffle; |
| // Only use one thread to process to process in the order decided by the callback. |
| options.numberOfThreads = 1; |
| // Ignore the missing classes. |
| options.ignoreMissingClasses = true; |
| }); |
| } |
| |
| @Test |
| public void deterministic() throws Exception { |
| |
| // Run two independent compilations. |
| AndroidApp app1 = doRun(); |
| AndroidApp app2 = doRun(); |
| |
| // Check that the generated bytecode runs through the dex2oat verifier with no errors. |
| Path combinedInput = temp.getRoot().toPath().resolve("all.jar"); |
| Path oatFile = temp.getRoot().toPath().resolve("all.oat"); |
| app1.writeToZip(combinedInput, OutputMode.DexIndexed); |
| ToolHelper.runDex2Oat(combinedInput, oatFile); |
| |
| // Verify that the result of the two compilations was the same. |
| assertIdenticalApplications(app1, app2); |
| } |
| } |