1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * JDK-8020809: Java adapter should not allow overriding of caller sensitive methods 26 * 27 * @test 28 * @run 29 */ 30 31 // This test runs as trusted as we need the 32 // "enableContextClassLoaderOverride" runtime permission. 33 34 var T = Java.extend(java.lang.Thread, { 35 getContextClassLoader: function() { 36 // Since getContextClassLoader is caller sensitive, this won't 37 // actually act as an override; it will be ignored. If we could 38 // invoke it, it would be an error. 39 throw new Error() 40 } 41 }) 42 43 // Retrieve the context ClassLoader on our Thread adapter, ensure the 44 // method was not, in fact, overridden. 45 var cl = (new T()).contextClassLoader 46 47 print("cl is class loader: " + (cl instanceof java.lang.ClassLoader))