--- /dev/null 2017-01-28 05:02:56.239999980 +0000 +++ new/test/java/lang/reflect/AccessibleObject/CanAccessTest.java 2017-02-07 13:14:17.461268229 +0000 @@ -0,0 +1,138 @@ +/* + * 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 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(); + } + } +}