| // Copyright (c) 2021, 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.lambdas; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.cf.CfVersion; |
| import java.io.IOException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.Handle; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class LambdaPrivateInstanceInterfaceMethodWithNonLambdaCallSiteTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters() |
| .withCfRuntimesStartingFromIncluding(CfVm.JDK9) |
| .withDexRuntimes() |
| .withAllApiLevels() |
| .build(); |
| } |
| |
| public LambdaPrivateInstanceInterfaceMethodWithNonLambdaCallSiteTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(Main.class, A.class, FunctionalInterface.class) |
| .addProgramClassFileData(getProgramClassFileData()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello world!", "Hello world!"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class, A.class, FunctionalInterface.class) |
| .addProgramClassFileData(getProgramClassFileData()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello world!", "Hello world!"); |
| } |
| |
| private byte[] getProgramClassFileData() throws IOException, NoSuchMethodException { |
| return transformer(I.class) |
| .transformInvokeDynamicInsnInMethod( |
| "test", |
| (name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments, visitor) -> { |
| visitor.visitInvokeDynamicInsn( |
| name, |
| descriptor, |
| bootstrapMethodHandle, |
| bootstrapMethodArguments.get(0), |
| new Handle( |
| Opcodes.H_INVOKESPECIAL, binaryName(I.class), "privateMethod", "()V", true), |
| bootstrapMethodArguments.get(2)); |
| }) |
| .transformMethodInsnInMethod( |
| "test", |
| (opcode, owner, name, descriptor, isInterface, visitor) -> { |
| if (name.equals("privateMethod")) { |
| assert opcode == Opcodes.INVOKEINTERFACE; |
| visitor.visitMethodInsn( |
| Opcodes.INVOKESPECIAL, owner, name, descriptor, isInterface); |
| } else { |
| visitor.visitMethodInsn(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .setPrivate(I.class.getDeclaredMethod("privateMethod")) |
| .setVersion(CfVersion.V9) |
| .transform(); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new A().test(); |
| } |
| } |
| |
| interface I { |
| |
| default void test() { |
| FunctionalInterface f = this::privateMethod; |
| f.m(); |
| privateMethod(); |
| } |
| |
| default void privateMethod() { |
| System.out.println("Hello world!"); |
| } |
| } |
| |
| static class A implements I {} |
| |
| interface FunctionalInterface { |
| |
| void m(); |
| } |
| } |