1 /*
   2  * Copyright (c) 2014, 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-8047728: (function(x){var o={x:0}; with(o){delete x} return o.x})() evaluates to 0 instead of undefined
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 function func(x) {
  32     var o = {x:0};
  33     with(o){
  34        delete x;
  35     }
  36     return o.x
  37 }
  38 
  39 if (typeof func() != 'undefined') {
  40     fail("expected undefined from 'func' call");
  41 }
  42 
  43 function func2() {
  44     var x;
  45     var o = {x:0};
  46     with(o){
  47        delete x;
  48     }
  49     return o.x
  50 }
  51 
  52 if (typeof func2() != 'undefined') {
  53     fail("expected undefined from 'func2' call");
  54 }