| // 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.core.StringContains.containsString; |
| import static org.junit.Assume.assumeTrue; |
| |
| 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.CfVm; |
| import com.android.tools.r8.TestRuntime.DexRuntime; |
| import com.android.tools.r8.ToolHelper.DexVm; |
| 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.transformers.ClassTransformer; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.hamcrest.CoreMatchers; |
| import org.hamcrest.Matcher; |
| import org.junit.Assert; |
| 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 InvokeInterfaceClInitTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| static { |
| } |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeInterfaceClInitTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testResolution() throws Exception { |
| assumeTrue(parameters.useRuntimeAsNoneRuntime()); |
| AppView<AppInfoWithLiveness> appView = |
| computeAppViewWithLiveness( |
| buildClasses(A.class, B.class) |
| .addClassProgramData(transformI(), transformMain()) |
| .build(), |
| Main.class); |
| AppInfoWithLiveness appInfo = appView.appInfo(); |
| DexMethod method = buildNullaryVoidMethod(I.class, "<clinit>", appInfo.dexItemFactory()); |
| DexProgramClass context = |
| appView.definitionForProgramType(buildType(Main.class, appInfo.dexItemFactory())); |
| Assert.assertThrows( |
| AssertionError.class, |
| () -> |
| appInfo |
| .resolveMethodOnInterface(method) |
| .lookupVirtualDispatchTargets(context, appInfo)); |
| } |
| |
| private Matcher<String> getExpected() { |
| if (parameters.getRuntime().isCf()) { |
| Matcher<String> expected = containsString("java.lang.VerifyError"); |
| // JDK 9 and 11 output VerifyError or ClassFormatError non-deterministically. |
| if (parameters.getRuntime().asCf().isNewerThanOrEqual(CfVm.JDK9)) { |
| expected = CoreMatchers.anyOf(expected, containsString("java.lang.ClassFormatError")); |
| } |
| return expected; |
| } |
| assert parameters.getRuntime().isDex(); |
| DexRuntime dexRuntime = parameters.getRuntime().asDex(); |
| if (dexRuntime.getVm().isOlderThanOrEqual(DexVm.ART_4_4_4_TARGET)) { |
| return containsString("NoSuchMethodError"); |
| } |
| if (parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N)) { |
| return containsString("java.lang.ClassNotFoundException"); |
| } |
| return containsString("java.lang.VerifyError"); |
| } |
| |
| @Test |
| public void testRuntimeClInit() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, B.class) |
| .addProgramClassFileData(transformMain(), transformI()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches(getExpected()); |
| } |
| |
| @Test |
| public void testR8ClInit() throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, B.class) |
| .addProgramClassFileData(transformMain(), transformI()) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches(getExpected()); |
| } |
| |
| private byte[] transformI() throws IOException { |
| return transformer(I.class) |
| .addClassTransformer( |
| new ClassTransformer() { |
| @Override |
| public MethodVisitor visitMethod( |
| int access, |
| String name, |
| String descriptor, |
| String signature, |
| String[] exceptions) { |
| return super.visitMethod(access, "<clinit>", descriptor, signature, exceptions); |
| } |
| }) |
| .transform(); |
| } |
| |
| private byte[] transformMain() throws IOException { |
| return transformer(Main.class) |
| .transformMethodInsnInMethod( |
| "callClInit", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> |
| continuation.visitMethodInsn(opcode, owner, "<clinit>", descriptor, isInterface)) |
| .transform(); |
| } |
| |
| public interface I { |
| |
| default void foo() { // <-- will be rewritten to <clinit> |
| System.out.println("I.foo"); |
| } |
| } |
| |
| public static class A implements I {} |
| |
| public static class B implements I {} |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| callClInit(args.length == 0 ? new A() : new B()); |
| } |
| |
| private static void callClInit(I i) { |
| i.foo(); // <-- will be i.<clinit>() |
| } |
| } |
| } |