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-172 : delete of undeclared global variable returns false. 26 * 27 * @test 28 * @run 29 */ 30 31 if (delete x !== true) { 32 fail('#1: delete x === true'); 33 } 34 35 if (delete this.x !== true) { 36 fail('#2: delete this.x === true'); 37 } 38 39 var y = 23; 40 if (delete y != false) { 41 fail('#3: can delete declared var y'); 42 } 43 44 if (delete this.y != false) { 45 fail('#4: can delete declared var using this.y'); 46 } 47 48 foo = 'hello'; 49 if (delete foo != true) { 50 fail('#5: can not delete "foo"'); 51 } 52 53 if (typeof foo != 'undefined') { 54 fail('#6: huh? "foo" is not undefined'); 55 }