| // 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.resolution; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class PrivateInvokeVirtualTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public PrivateInvokeVirtualTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| public static class UInt implements Comparable<UInt> { |
| |
| private final int val; |
| |
| public UInt(int val) { |
| this.val = val; |
| } |
| |
| private int compareToHelper(int i) { |
| return Integer.compare(val, i); |
| } |
| |
| @Override |
| public int compareTo(UInt o) { |
| return compareToHelper(o.val); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println(new UInt(3).compareTo(new UInt(args.length))); |
| } |
| } |
| |
| @Test |
| public void testRuntime() throws IOException, CompilationFailedException, ExecutionException { |
| testForRuntime(parameters) |
| .addProgramClassFileData(getUIntWithTransformedInvoke()) |
| .addProgramClasses(Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("1"); |
| } |
| |
| @Test |
| public void testPrivateInvokeVirtual() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class) |
| .addProgramClassFileData(getUIntWithTransformedInvoke()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("1"); |
| } |
| |
| private byte[] getUIntWithTransformedInvoke() throws IOException { |
| return transformer(UInt.class) |
| .transformMethodInsnInMethod( |
| "compareTo", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> { |
| if (name.contains("compareToHelper")) { |
| assertEquals(Opcodes.INVOKESPECIAL, opcode); |
| continuation.apply(Opcodes.INVOKEVIRTUAL, owner, name, descriptor, isInterface); |
| } else { |
| continuation.apply(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .transform(); |
| } |
| } |