blob: 437cdd2749f926c892020bb3b2fd6292b40f9b38 [file] [log] [blame]
// 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.shaking;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.NoVerticalClassMerging;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.graph.DexEncodedMethod;
import com.android.tools.r8.graph.DexItemFactory;
import com.android.tools.r8.graph.DexProgramClass;
import com.android.tools.r8.graph.DexType;
import java.util.AbstractList;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class LibraryMethodOverrideInInterfaceMarkingTest extends TestBase {
private final TestParameters parameters;
@Parameterized.Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withAllRuntimesAndApiLevels().build();
}
public LibraryMethodOverrideInInterfaceMarkingTest(TestParameters parameters) {
this.parameters = parameters;
}
@Test
public void test() throws Exception {
testForR8(parameters.getBackend())
.addInnerClasses(LibraryMethodOverrideInInterfaceMarkingTest.class)
.addKeepMainRule(TestClass.class)
.addOptionsModification(
options -> options.testing.enqueuerInspector = this::verifyLibraryOverrideInformation)
.enableNoVerticalClassMergingAnnotations()
.setMinApi(parameters.getApiLevel())
.run(parameters.getRuntime(), TestClass.class)
.assertSuccessWithOutputLines("true", "true");
}
private void verifyLibraryOverrideInformation(AppInfoWithLiveness appInfo, Enqueuer.Mode mode) {
DexItemFactory dexItemFactory = appInfo.dexItemFactory();
verifyIsEmptyMarkedAsOverridingLibraryMethod(
appInfo, dexItemFactory.createType(descriptor(A.class)));
verifyIsEmptyMarkedAsOverridingLibraryMethod(
appInfo, dexItemFactory.createType(descriptor(I.class)));
}
private void verifyIsEmptyMarkedAsOverridingLibraryMethod(
AppInfoWithLiveness appInfo, DexType type) {
DexProgramClass clazz = appInfo.definitionFor(type).asProgramClass();
DexEncodedMethod method =
clazz.lookupVirtualMethod(m -> m.method.name.toString().equals("isEmpty"));
assertTrue(method.isLibraryMethodOverride().isTrue());
}
static class TestClass {
static void onA(A a) {
System.out.println(a.isEmpty());
}
static void onI(I i) {
System.out.println(i.isEmpty());
}
public static void main(String[] args) {
Object object = args.length == 42 ? null : new B();
onA((A) object);
onI((I) object);
}
}
@NoVerticalClassMerging
abstract static class A extends AbstractList<Object> {
@Override
public boolean isEmpty() {
return true;
}
@Override
public int size() {
return 0;
}
@Override
public A get(int index) {
return null;
}
}
@NoVerticalClassMerging
interface I {
boolean isEmpty();
}
@NoVerticalClassMerging
static class B extends A implements I {
// Intentionally empty.
}
}