| // 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.graph.invokespecial; |
| |
| import static org.objectweb.asm.Opcodes.INVOKESPECIAL; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.io.IOException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class InvokeSpecialOnSameInterfaceTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeSpecialOnSameInterfaceTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters.getRuntime(), parameters.getApiLevel()) |
| .addProgramClasses(Main.class, A.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class, A.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| private byte[] getClassWithTransformedInvoked() throws IOException { |
| return transformer(AInterface.class) |
| .transformMethodInsnInMethod( |
| "bar", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> { |
| continuation.visitMethodInsn(INVOKESPECIAL, owner, name, descriptor, isInterface); |
| }) |
| .transform(); |
| } |
| |
| public interface AInterface { |
| default void foo() { |
| System.out.println("Hello World!"); |
| } |
| |
| default void bar() { |
| foo(); // Will be rewritten to invoke-special AInterface.foo() |
| } |
| } |
| |
| public static class A implements AInterface {} |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new A().bar(); |
| } |
| } |
| } |