tests/mozilla/ecma_3/ExecutionContexts/10.1.4-1.js

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  *
   3  * The contents of this file are subject to the Netscape Public
   4  * License Version 1.1 (the "License"); you may not use this file
   5  * except in compliance with the License. You may obtain a copy of
   6  * the License at http://www.mozilla.org/NPL/
   7  *
   8  * Software distributed under the License is distributed on an "AS
   9  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  10  * implied. See the License for the specific language governing
  11  * rights and limitations under the License.
  12  *
  13  * The Original Code is Mozilla Communicator client code, released March
  14  * 31, 1998.
  15  *
  16  * The Initial Developer of the Original Code is Netscape Communications
  17  * Corporation. Portions created by Netscape are
  18  * Copyright (C) 1998 Netscape Communications Corporation. All
  19  * Rights Reserved.
  20  *
  21  * Contributor(s):
  22  * Rob Ginda rginda@netscape.com
  23  */
  24
  25 /**
  26     ECMA Section: 10.1.4.1 Entering An Execution Context
  27     ECMA says:
  28         * Global Code, Function Code
  29           Variable instantiation is performed using the global object as the
  30           variable object and using property attributes { DontDelete }.
  31
  32         * Eval Code
  33           Variable instantiation is performed using the calling context's
  34           variable object and using empty property attributes.
  35 */
  36
  37 test();
  38
  39 function test()
  40 {
  41     enterFunc ("test");
  42
  43     var y;
  44     eval("var x = 1");
  45
  46     if (delete y)
  47         reportFailure ("Expected *NOT* to be able to delete y");
  48
  49     if (typeof x == "undefined")
  50         reportFailure ("x did not remain defined after eval()");
  51     else if (x != 1)
  52         reportFailure ("x did not retain it's value after eval()");
  53
  54     if (!delete x)
  55         reportFailure ("Expected to be able to delete x");
  56
  57     exitFunc("test");
  58 }