| /* |
| * Copyright (c) 2015, 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 ModuleSetAccessibleTest |
| * @modules java.base/java.lang:open |
| * java.base/jdk.internal.misc:+open |
| * @run testng/othervm --illegal-access=deny ModuleSetAccessibleTest |
| * @summary Test java.lang.reflect.AccessibleObject with modules |
| */ |
| |
| import java.lang.reflect.AccessibleObject; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.InaccessibleObjectException; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import jdk.internal.misc.Unsafe; |
| |
| import org.testng.annotations.Test; |
| import static org.testng.Assert.*; |
| |
| @Test |
| public class ModuleSetAccessibleTest { |
| |
| /** |
| * Invoke a private constructor on a public class in an exported package |
| */ |
| public void testPrivateConstructorInExportedPackage() throws Exception { |
| Constructor<?> ctor = Unsafe.class.getDeclaredConstructor(); |
| |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| ctor.setAccessible(true); |
| Unsafe unsafe = (Unsafe) ctor.newInstance(); |
| } |
| |
| |
| /** |
| * Invoke a private method on a public class in an exported package |
| */ |
| public void testPrivateMethodInExportedPackage() throws Exception { |
| Method m = Unsafe.class.getDeclaredMethod("throwIllegalAccessError"); |
| try { |
| m.invoke(null); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| m.setAccessible(true); |
| try { |
| m.invoke(null); |
| assertTrue(false); |
| } catch (InvocationTargetException e) { |
| // thrown by throwIllegalAccessError |
| assertTrue(e.getCause() instanceof IllegalAccessError); |
| } |
| } |
| |
| |
| /** |
| * Access a private field in a public class that is an exported package |
| */ |
| public void testPrivateFieldInExportedPackage() throws Exception { |
| Field f = Unsafe.class.getDeclaredField("theUnsafe"); |
| |
| try { |
| f.get(null); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| f.setAccessible(true); |
| Unsafe unsafe = (Unsafe) f.get(null); |
| } |
| |
| |
| /** |
| * Invoke a public constructor on a public class in a non-exported package |
| */ |
| public void testPublicConstructorInNonExportedPackage() throws Exception { |
| Class<?> clazz = Class.forName("sun.security.x509.X500Name"); |
| Constructor<?> ctor = clazz.getConstructor(String.class); |
| |
| try { |
| ctor.newInstance("cn=duke"); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| try { |
| ctor.setAccessible(true); |
| assertTrue(false); |
| } catch (InaccessibleObjectException expected) { } |
| |
| ctor.setAccessible(false); // should succeed |
| } |
| |
| |
| /** |
| * Access a public field in a public class that in a non-exported package |
| */ |
| public void testPublicFieldInNonExportedPackage() throws Exception { |
| Class<?> clazz = Class.forName("sun.security.x509.X500Name"); |
| Field f = clazz.getField("SERIALNUMBER_OID"); |
| |
| try { |
| f.get(null); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| try { |
| f.setAccessible(true); |
| assertTrue(false); |
| } catch (InaccessibleObjectException expected) { } |
| |
| f.setAccessible(false); // should succeed |
| } |
| |
| |
| /** |
| * Test that the Class constructor cannot be make accessible. |
| */ |
| public void testJavaLangClass() throws Exception { |
| |
| // non-public constructor |
| Constructor<?> ctor |
| = Class.class.getDeclaredConstructor(ClassLoader.class, Class.class); |
| AccessibleObject[] ctors = { ctor }; |
| |
| try { |
| ctor.setAccessible(true); |
| assertTrue(false); |
| } catch (SecurityException expected) { } |
| |
| try { |
| AccessibleObject.setAccessible(ctors, true); |
| assertTrue(false); |
| } catch (SecurityException expected) { } |
| |
| // should succeed |
| ctor.setAccessible(false); |
| AccessibleObject.setAccessible(ctors, false); |
| |
| } |
| |
| } |