139 lines
4.4 KiB
Java
139 lines
4.4 KiB
Java
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @build CanAccessTest
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* @modules java.base/jdk.internal.misc:+open
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* @run testng/othervm --illegal-access=deny CanAccessTest
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* @summary Test AccessibleObject::canAccess method
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*/
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Method;
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import java.security.SecureClassLoader;
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import jdk.internal.misc.Unsafe;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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@Test
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public class CanAccessTest {
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private static Unsafe INSTANCE = Unsafe.getUnsafe();
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/**
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* null object parameter for Constructor
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*/
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public void testConstructor() throws Exception {
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Constructor<?> ctor = Unsafe.class.getDeclaredConstructor();
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assertFalse(ctor.canAccess(null));
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assertTrue(ctor.trySetAccessible());
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try {
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// non-null object parameter
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ctor.canAccess(INSTANCE);
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assertTrue(false);
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} catch (IllegalArgumentException expected) {}
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}
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/**
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* Test protected constructors
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*/
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public void testProtectedConstructor() throws Exception {
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TestLoader.testProtectedConstructorNonOpenedPackage();
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Constructor<?> ctor = TestLoader.class.getDeclaredConstructor();
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assertTrue(ctor.canAccess(null));
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}
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/**
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* null object parameter for static members
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*/
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public void testStaticMember() throws Exception {
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Method m = Unsafe.class.getDeclaredMethod("throwIllegalAccessError");
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assertFalse(m.canAccess(null));
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assertTrue(m.trySetAccessible());
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try {
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// non-null object parameter
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m.canAccess(INSTANCE);
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assertTrue(false);
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} catch (IllegalArgumentException expected) { }
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}
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/**
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* Test protected static
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*/
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public void testProtectedStatic() throws Exception {
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Method m = TestLoader.testProtectedStatic();
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assertFalse(m.canAccess(null));
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}
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/**
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* the specified object must be an instance of the declaring class
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* for instance members
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*/
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public void testInstanceMethod() throws Exception {
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Method m = Unsafe.class.getDeclaredMethod("addressSize0");
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assertFalse(m.canAccess(INSTANCE));
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try {
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m.canAccess(null);
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assertTrue(false);
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} catch (IllegalArgumentException expected) { }
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}
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/**
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* the specified object must be an instance of the declaring class
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* for instance members
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*/
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public void testInvalidInstanceObject() throws Exception {
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Class<?> clazz = Class.forName("sun.security.x509.X500Name");
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Method m = clazz.getDeclaredMethod("size");
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try {
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m.canAccess(INSTANCE);
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assertTrue(false);
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} catch (IllegalArgumentException expected) { }
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}
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static class TestLoader extends SecureClassLoader {
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public static Method testProtectedStatic() throws Exception {
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Method m = ClassLoader.class.getDeclaredMethod("registerAsParallelCapable");
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assertTrue(m.canAccess(null));
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return m;
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}
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protected TestLoader() throws Exception {
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Constructor<?> ctor = SecureClassLoader.class.getDeclaredConstructor();
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assertFalse(ctor.canAccess(null));
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assertFalse(ctor.trySetAccessible());
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}
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public static void testProtectedConstructorNonOpenedPackage() throws Exception {
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new TestLoader();
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}
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}
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}
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