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