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 * NASHORN-256 : should be able to delete global builtin objects like JSON, Math etc. 26 * 27 * @test 28 * @run 29 */ 30 31 function deleteAndCheck(name) { 32 if (! (delete this[name])) { 33 fail("cannot delete " + name); 34 } else { 35 if (typeof this[name] !== 'undefined') { 36 fail(name + " is not undefined after delete!"); 37 } 38 } 39 } 40 41 deleteAndCheck("Object"); 42 deleteAndCheck("Function"); 43 deleteAndCheck("Array"); 44 deleteAndCheck("Boolean"); 45 deleteAndCheck("Date"); 46 deleteAndCheck("JSON"); 47 deleteAndCheck("JSAdapter"); 48 deleteAndCheck("Math"); 49 deleteAndCheck("Number"); 50 deleteAndCheck("RegExp"); 51 deleteAndCheck("String"); 52 deleteAndCheck("Error"); 53 deleteAndCheck("Error"); 54 deleteAndCheck("RangeError"); 55 deleteAndCheck("ReferenceError"); 56 deleteAndCheck("SyntaxError"); 57 deleteAndCheck("TypeError"); 58 deleteAndCheck("URIError"); 59 60 function deleteFailCheck(name) { 61 if (delete this[name]) { 62 fail("can delete " + name); 63 } else { 64 if (typeof this[name] === 'undefined') { 65 fail(name + " was deleted!"); 66 } 67 } 68 } 69 70 deleteFailCheck("NaN"); 71 deleteFailCheck("Infinity"); 72 if (delete undefined) { 73 fail("can delete 'undefined'"); 74 }