2
+ − 1 /*
+ − 2 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
+ − 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ − 4 *
+ − 5 * This code is free software; you can redistribute it and/or modify it
+ − 6 * under the terms of the GNU General Public License version 2 only, as
+ − 7 * published by the Free Software Foundation.
+ − 8 *
+ − 9 * This code is distributed in the hope that it will be useful, but WITHOUT
+ − 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ − 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ − 12 * version 2 for more details (a copy is included in the LICENSE file that
+ − 13 * accompanied this code).
+ − 14 *
+ − 15 * You should have received a copy of the GNU General Public License version
+ − 16 * 2 along with this work; if not, write to the Free Software Foundation,
+ − 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ − 18 *
+ − 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ − 20 * CA 95054 USA or visit www.sun.com if you need additional information or
+ − 21 * have any questions.
+ − 22 */
+ − 23
+ − 24 /* @test
+ − 25 * @bug 4495577
+ − 26 * @summary Ensure that sun.misc.Unsafe cannot (easily)
+ − 27 * be accessed from user code
+ − 28 */
+ − 29
+ − 30
+ − 31 public class Safe {
+ − 32
+ − 33 public static void main(String[] args) throws Exception {
+ − 34 try {
+ − 35 sun.misc.Unsafe.getUnsafe();
+ − 36 } catch (Exception x) {
+ − 37 System.err.println("Thrown as expected: " + x);
+ − 38 return;
+ − 39 }
+ − 40 throw new Exception("No exception thrown");
+ − 41 }
+ − 42
+ − 43 }