| // Copyright (c) 2020, 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.interfacetargets; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assume.assumeTrue; |
| import static org.objectweb.asm.Opcodes.INVOKEINTERFACE; |
| |
| 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.TestRuntime; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Assert; |
| 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 InvokeInterfaceWithStaticTargetTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeInterfaceWithStaticTargetTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testResolution() throws Exception { |
| assumeTrue(parameters.getRuntime().equals(TestRuntime.getDefaultJavaRuntime())); |
| AppView<AppInfoWithLiveness> appView = |
| computeAppViewWithLiveness( |
| buildClasses(A.class, I.class).addClassProgramData(transformMain()).build(), |
| Main.class); |
| AppInfoWithLiveness appInfo = appView.appInfo(); |
| DexMethod method = buildNullaryVoidMethod(I.class, "bar", appInfo.dexItemFactory()); |
| DexProgramClass context = |
| appView.definitionForProgramType(buildType(Main.class, appInfo.dexItemFactory())); |
| Assert.assertThrows( |
| AssertionError.class, |
| () -> |
| appInfo |
| .resolveMethodOnInterface(method) |
| .lookupVirtualDispatchTargets(context, appInfo)); |
| } |
| |
| @Test |
| public void testRuntimeClInit() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, I.class) |
| .addProgramClassFileData(transformMain()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches(containsString(getExpected())); |
| } |
| |
| @Test |
| public void testR8ClInit() throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, I.class) |
| .addProgramClassFileData(transformMain()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches(containsString(getExpected())); |
| } |
| |
| private String getExpected() { |
| return parameters.isCfRuntime() |
| || parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N) |
| ? "IncompatibleClassChangeError" |
| : "NoSuchMethodError"; |
| } |
| |
| private byte[] transformMain() throws IOException { |
| return transformer(Main.class) |
| .transformMethodInsnInMethod( |
| "callFooBar", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> { |
| if (name.equals("notify")) { |
| continuation.visitMethodInsn( |
| INVOKEINTERFACE, |
| DescriptorUtils.getBinaryNameFromJavaType(I.class.getTypeName()), |
| "bar", |
| descriptor, |
| true); |
| } else { |
| continuation.visitMethodInsn(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .transform(); |
| } |
| |
| public interface I { |
| |
| void foo(); |
| |
| static void bar() { |
| System.out.println("I.bar"); |
| } |
| } |
| |
| public static class A implements I { |
| |
| @Override |
| public void foo() { |
| System.out.println("A.foo"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| callFooBar(args.length == 0 ? () -> System.out.println("Lambda.foo") : new A()); |
| } |
| |
| public static void callFooBar(I i) { |
| i.foo(); |
| i.notify(); // <-- will be i.bar() |
| } |
| } |
| } |