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 }