| // Copyright (c) 2018, 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.ir.optimize.devirtualize; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.R8Command; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.ProcessResult; |
| import com.android.tools.r8.ir.optimize.devirtualize.invokeinterface.A; |
| import com.android.tools.r8.ir.optimize.devirtualize.invokeinterface.A0; |
| import com.android.tools.r8.ir.optimize.devirtualize.invokeinterface.A1; |
| import com.android.tools.r8.ir.optimize.devirtualize.invokeinterface.I; |
| import com.android.tools.r8.ir.optimize.devirtualize.invokeinterface.Main; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.AndroidApp; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Streams; |
| import java.nio.file.Path; |
| import java.util.Collections; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class InvokeInterfaceToInvokeVirtualTest extends TestBase { |
| |
| private Backend backend; |
| |
| @Parameterized.Parameters(name = "Backend: {0}") |
| public static Backend[] data() { |
| return Backend.values(); |
| } |
| |
| public InvokeInterfaceToInvokeVirtualTest(Backend backend) { |
| this.backend = backend; |
| } |
| |
| private AndroidApp runR8(AndroidApp app, Class main, Path out) throws Exception { |
| R8Command command = |
| ToolHelper.addProguardConfigurationConsumer( |
| ToolHelper.prepareR8CommandBuilder(app, emptyConsumer(backend)), |
| pgConfig -> { |
| pgConfig.setPrintMapping(true); |
| pgConfig.setPrintMappingFile(out.resolve(ToolHelper.DEFAULT_PROGUARD_MAP_FILE)); |
| }) |
| .addProguardConfiguration( |
| ImmutableList.of(keepMainProguardConfiguration(main)), Origin.unknown()) |
| .setOutput(out, outputMode(backend)) |
| .addLibraryFiles(runtimeJar(backend)) |
| .build(); |
| return ToolHelper.runR8(command); |
| } |
| |
| @Test |
| public void listOfInterface() throws Exception { |
| byte[][] classes = { |
| ToolHelper.getClassAsBytes(I.class), |
| ToolHelper.getClassAsBytes(A.class), |
| ToolHelper.getClassAsBytes(A0.class), |
| ToolHelper.getClassAsBytes(A1.class), |
| ToolHelper.getClassAsBytes(Main.class) |
| }; |
| String main = Main.class.getCanonicalName(); |
| ProcessResult javaOutput = runOnJavaRaw(main, classes); |
| assertEquals(0, javaOutput.exitCode); |
| |
| AndroidApp originalApp = buildAndroidApp(classes); |
| Path out = temp.getRoot().toPath(); |
| AndroidApp processedApp = runR8(originalApp, Main.class, out); |
| |
| CodeInspector codeInspector = new CodeInspector(processedApp); |
| ClassSubject clazz = codeInspector.clazz(main); |
| MethodSubject m = clazz.method(CodeInspector.MAIN); |
| long numOfInvokeInterface = |
| Streams.stream(m.iterateInstructions(InstructionSubject::isInvokeInterface)).count(); |
| // List#add, List#get |
| assertEquals(2, numOfInvokeInterface); |
| long numOfInvokeVirtual = |
| Streams.stream(m.iterateInstructions(InstructionSubject::isInvokeVirtual)).count(); |
| // System.out.println, I#get ~> A0#get |
| assertEquals(2, numOfInvokeVirtual); |
| long numOfCast = Streams.stream(m.iterateInstructions(InstructionSubject::isCheckCast)).count(); |
| // check-cast I ~> check-cast A0 |
| assertEquals(1, numOfCast); |
| |
| ProcessResult output = |
| backend == Backend.DEX |
| ? runOnArtRaw(processedApp, main) |
| : runOnJavaRaw(processedApp, main, Collections.emptyList()); |
| assertEquals(0, output.exitCode); |
| assertEquals(javaOutput.stdout.trim(), output.stdout.trim()); |
| } |
| } |