| // Copyright (c) 2022, 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.startup.utils; |
| |
| import static com.android.tools.r8.TestBase.transformer; |
| import static org.junit.Assert.fail; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.D8TestBuilder; |
| import com.android.tools.r8.D8TestRunResult; |
| import com.android.tools.r8.R8TestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ThrowableConsumer; |
| import com.android.tools.r8.experimental.startup.StartupConfiguration; |
| import com.android.tools.r8.experimental.startup.StartupConfigurationParser; |
| import com.android.tools.r8.experimental.startup.StartupItem; |
| import com.android.tools.r8.experimental.startup.StartupOptions; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.references.ClassReference; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.references.TypeReference; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.ClassReferenceUtils; |
| import com.android.tools.r8.utils.MethodReferenceUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.ThrowingConsumer; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.List; |
| import java.util.function.Consumer; |
| import org.junit.rules.TemporaryFolder; |
| |
| public class StartupTestingUtils { |
| |
| private static String startupInstrumentationTag = "startup"; |
| |
| public static ThrowableConsumer<D8TestBuilder> enableStartupInstrumentationUsingFile( |
| TestParameters parameters) { |
| return testBuilder -> enableStartupInstrumentation(testBuilder, parameters, false); |
| } |
| |
| public static ThrowableConsumer<D8TestBuilder> enableStartupInstrumentationUsingLogcat( |
| TestParameters parameters) { |
| return testBuilder -> enableStartupInstrumentation(testBuilder, parameters, true); |
| } |
| |
| private static void enableStartupInstrumentation( |
| D8TestBuilder testBuilder, TestParameters parameters, boolean logcat) throws IOException { |
| testBuilder |
| .addOptionsModification( |
| options -> { |
| StartupOptions startupOptions = |
| options.getStartupOptions().setEnableStartupInstrumentation(); |
| if (logcat) { |
| startupOptions.setStartupInstrumentationTag(startupInstrumentationTag); |
| } |
| }) |
| .addLibraryFiles(parameters.getDefaultRuntimeLibrary()) |
| .addLibraryClassFileData(getTransformedAndroidUtilLog()); |
| } |
| |
| public static Path getAndroidUtilLog(TemporaryFolder temporaryFolder) |
| throws CompilationFailedException, IOException { |
| return TestBase.testForD8(temporaryFolder) |
| .addProgramClassFileData(getTransformedAndroidUtilLog()) |
| .setMinApi(AndroidApiLevel.B) |
| .compile() |
| .writeToZip(); |
| } |
| |
| public static void readStartupListFromFile( |
| Path path, Consumer<StartupItem<ClassReference, MethodReference, ?>> startupItemConsumer) |
| throws IOException { |
| StartupConfigurationParser.createReferenceParser() |
| .parseLines( |
| Files.readAllLines(path), |
| startupItemConsumer, |
| startupItemConsumer, |
| error -> fail("Unexpected parse error: " + error)); |
| } |
| |
| public static ThrowingConsumer<D8TestRunResult, RuntimeException> removeStartupListFromStdout( |
| Consumer<StartupItem<ClassReference, MethodReference, ?>> startupItemConsumer) { |
| return runResult -> removeStartupListFromStdout(runResult, startupItemConsumer); |
| } |
| |
| public static void removeStartupListFromStdout( |
| D8TestRunResult runResult, |
| Consumer<StartupItem<ClassReference, MethodReference, ?>> startupItemConsumer) { |
| StartupConfigurationParser<ClassReference, MethodReference, TypeReference> parser = |
| StartupConfigurationParser.createReferenceParser(); |
| StringBuilder stdoutBuilder = new StringBuilder(); |
| String startupDescriptorPrefix = "[" + startupInstrumentationTag + "] "; |
| for (String line : StringUtils.splitLines(runResult.getStdOut(), true)) { |
| if (line.startsWith(startupDescriptorPrefix)) { |
| String message = line.substring(startupDescriptorPrefix.length()); |
| parser.parseLine( |
| message, |
| startupItemConsumer, |
| startupItemConsumer, |
| error -> fail("Unexpected parse error: " + error)); |
| } else { |
| stdoutBuilder.append(line).append(System.lineSeparator()); |
| } |
| } |
| runResult.getResult().setStdout(stdoutBuilder.toString()); |
| } |
| |
| public static void setStartupConfiguration( |
| R8TestBuilder<?> testBuilder, |
| List<StartupItem<ClassReference, MethodReference, ?>> startupItems) { |
| testBuilder.addOptionsModification( |
| options -> { |
| DexItemFactory dexItemFactory = options.dexItemFactory(); |
| StartupConfiguration startupConfiguration = |
| StartupConfiguration.builder() |
| .apply( |
| builder -> |
| startupItems.forEach( |
| startupItem -> |
| builder.addStartupItem( |
| convertStartupItemToDex(startupItem, dexItemFactory)))) |
| .build(); |
| options.getStartupOptions().setStartupConfiguration(startupConfiguration); |
| }); |
| } |
| |
| private static StartupItem<DexType, DexMethod, ?> convertStartupItemToDex( |
| StartupItem<ClassReference, MethodReference, ?> startupItem, DexItemFactory dexItemFactory) { |
| return StartupItem.dexBuilder() |
| .applyIf( |
| startupItem.isStartupClass(), |
| builder -> |
| builder.setClassReference( |
| ClassReferenceUtils.toDexType( |
| startupItem.asStartupClass().getReference(), dexItemFactory)), |
| builder -> |
| builder.setMethodReference( |
| MethodReferenceUtils.toDexMethod( |
| startupItem.asStartupMethod().getReference(), dexItemFactory))) |
| .setFlags(startupItem.getFlags()) |
| .build(); |
| } |
| |
| private static byte[] getTransformedAndroidUtilLog() throws IOException { |
| return transformer(Log.class).setClassDescriptor("Landroid/util/Log;").transform(); |
| } |
| |
| public static class Log { |
| |
| public static int i(String tag, String msg) { |
| System.out.println("[" + tag + "] " + msg); |
| return 42; |
| } |
| } |
| } |