| // 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; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.objectweb.asm.Opcodes.ACC_FINAL; |
| |
| 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 com.android.tools.r8.ToolHelper.DexVm; |
| import com.android.tools.r8.transformers.ClassTransformer; |
| 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.MethodVisitor; |
| |
| @RunWith(Parameterized.class) |
| public class InvokeVirtualFinalTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeVirtualFinalTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testInvokeSpecialOnClassWithFinal() |
| throws ExecutionException, CompilationFailedException, IOException { |
| String expectedError = "overrides final"; |
| if (parameters.isDexRuntime() |
| && parameters.getRuntime().asDex().getVm().isNewerThan(DexVm.ART_4_4_4_HOST) |
| && parameters.getRuntime().asDex().getVm().isOlderThanOrEqual(DexVm.ART_6_0_1_HOST)) { |
| expectedError = "LinkageError"; |
| } |
| testForRuntime(parameters) |
| .addProgramClasses(B.class, Main.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches(containsString(expectedError)); |
| } |
| |
| private byte[] getClassWithTransformedInvoked() throws IOException { |
| return transformer(A.class) |
| .addClassTransformer( |
| new ClassTransformer() { |
| @Override |
| public MethodVisitor visitMethod( |
| int access, |
| String name, |
| String descriptor, |
| String signature, |
| String[] exceptions) { |
| if (name.equals("foo")) { |
| access |= ACC_FINAL; |
| } |
| return super.visitMethod(access, name, descriptor, signature, exceptions); |
| } |
| }) |
| .transform(); |
| } |
| |
| public static class A { |
| public void foo() { |
| System.out.println("Hello from A"); |
| } |
| } |
| |
| public static class B extends A { |
| public void foo() { |
| System.out.println("Hello from B"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new B().foo(); |
| ((A) new B()).foo(); |
| } |
| } |
| } |