| // 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 com.android.tools.r8.utils.DescriptorUtils.getBinaryNameFromJavaType; |
| import static org.junit.Assert.assertEquals; |
| 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 InvokeSpecialOnOtherInterfaceTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeSpecialOnOtherInterfaceTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters.getRuntime(), parameters.getApiLevel()) |
| .addProgramClassesAndInnerClasses(Main.class) |
| .addProgramClasses(I.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatThrowsIf(parameters.isCfRuntime(), VerifyError.class) |
| // TODO(b/144410139): Consider making this a compilation failure when generating DEX. |
| .assertSuccessWithOutputLinesIf(parameters.isDexRuntime(), "Hello World!"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClassesAndInnerClasses(Main.class) |
| .addProgramClasses(I.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatThrowsIf(parameters.isCfRuntime(), VerifyError.class) |
| // TODO(b/144410139): Consider making this a compilation failure when generating DEX. |
| .assertSuccessWithOutputLinesIf( |
| parameters.isDexRuntime() && !parameters.canUseDefaultAndStaticInterfaceMethods(), |
| "Hello World!") |
| .assertFailureWithErrorThatThrowsIf( |
| parameters.isDexRuntime() && parameters.canUseDefaultAndStaticInterfaceMethods(), |
| NullPointerException.class); |
| } |
| |
| private byte[] getClassWithTransformedInvoked() throws IOException { |
| return transformer(A.class) |
| .transformMethodInsnInMethod( |
| "bar", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> { |
| assertEquals(getBinaryNameFromJavaType(I.class.getTypeName()), owner); |
| continuation.visitMethodInsn(INVOKESPECIAL, owner, name, descriptor, isInterface); |
| }) |
| .transform(); |
| } |
| |
| public interface I { |
| |
| default void foo() { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| public static class A { |
| |
| public void bar(I i) { |
| i.foo(); // Will be rewritten to invoke-special I.foo() |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new A().bar(new I() {}); |
| } |
| } |
| } |