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// 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.b169045091;
import static com.android.tools.r8.references.Reference.INT;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.ToolHelper;
import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexField;
import com.android.tools.r8.graph.DexItemFactory;
import com.android.tools.r8.graph.DexProgramClass;
import com.android.tools.r8.references.Reference;
import com.android.tools.r8.shaking.AppInfoWithLiveness;
import com.android.tools.r8.shaking.b169045091.B169045091.TestClass;
import com.android.tools.r8.shaking.b169045091.examples.NestHost;
import com.android.tools.r8.shaking.b169045091.examples.NestHost.NestMember;
import com.android.tools.r8.shaking.b169045091.examples.NonNestMember;
import com.android.tools.r8.utils.DescriptorUtils;
import com.google.common.collect.ImmutableList;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
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 NestMemberAccessibilityTest extends TestBase {
private final Path TEST_DIRECTORY =
Paths.get(ToolHelper.EXAMPLES_JAVA11_BUILD_DIR)
.resolve(
DescriptorUtils.getBinaryNameFromJavaType(NestHost.class.getPackage().getName()));
@Parameters(name = "{0}")
public static TestParametersCollection data() {
return TestBase.getTestParameters().withNoneRuntime().build();
}
public NestMemberAccessibilityTest(TestParameters parameters) {
parameters.assertNoneRuntime();
}
@Test
public void testAccessibility() throws Exception {
AppView<AppInfoWithLiveness> appView =
computeAppViewWithLiveness(
buildClasses()
.addProgramFiles(getProgramFiles())
.addClassProgramData(getNestHostClassFileData())
.build(),
TestClass.class);
AppInfoWithLiveness appInfo = appView.appInfo();
DexItemFactory dexItemFactory = appView.dexItemFactory();
DexProgramClass hostContext =
appView
.contextIndependentDefinitionFor(buildType(NestHost.class, dexItemFactory))
.asProgramClass();
DexProgramClass memberContext =
appView
.contextIndependentDefinitionFor(buildType(NestMember.class, dexItemFactory))
.asProgramClass();
DexProgramClass nonMemberContext =
appView
.contextIndependentDefinitionFor(buildType(NonNestMember.class, dexItemFactory))
.asProgramClass();
// Test that NestHost.f is accessible to NestHost and NestMember but not NonNestMember.
DexField hostFieldReference =
buildField(
Reference.field(Reference.classFromClass(NestHost.class), "f", INT), dexItemFactory);
assertTrue(
appInfo.resolveField(hostFieldReference).isAccessibleFrom(hostContext, appView).isTrue());
assertTrue(
appInfo.resolveField(hostFieldReference).isAccessibleFrom(memberContext, appView).isTrue());
assertTrue(
appInfo
.resolveField(hostFieldReference)
.isAccessibleFrom(nonMemberContext, appView)
.isFalse());
// Test that NestMember.f is accessible to NestMember but not NonNestMember.
DexField memberFieldReference =
buildField(
Reference.field(Reference.classFromClass(NestMember.class), "f", INT), dexItemFactory);
assertTrue(
appInfo
.resolveField(memberFieldReference)
.isAccessibleFrom(memberContext, appView)
.isTrue());
assertTrue(
appInfo
.resolveField(memberFieldReference)
.isAccessibleFrom(nonMemberContext, appView)
.isFalse());
// Test that NonNestMember.f is inaccessible to NonNestMember.
DexField nonMemberFieldReference =
buildField(
Reference.field(Reference.classFromClass(NonNestMember.class), "f", INT),
dexItemFactory);
assertTrue(
appInfo
.resolveField(nonMemberFieldReference)
.isAccessibleFrom(nonMemberContext, appView)
.isFalse());
}
private List<Path> getProgramFiles() {
return ImmutableList.of(
TEST_DIRECTORY.resolve("NestHost$NestMember.class"),
TEST_DIRECTORY.resolve("NonNestMember.class"));
}
private byte[] getNestHostClassFileData() throws Exception {
return transformer(
TEST_DIRECTORY.resolve("NestHost.class"), Reference.classFromClass(NestHost.class))
.setPrivate(NestHost.class.getDeclaredField("f"))
.transform();
}
}