tests/mozilla/ecma_3/Exceptions/15.11.7.6-002.js

   1 /* ***** BEGIN LICENSE BLOCK *****
   2 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
   3 *
   4 * The contents of this file are subject to the Netscape Public License
   5 * Version 1.1 (the "License"); you may not use this file except in
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  10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11 * for the specific language governing rights and limitations under the
  12 * License.
  13 *
  14 * The Original Code is JavaScript Engine testing utilities.
  15 *
  16 * The Initial Developer of the Original Code is Netscape Communications Corp.
  17 * Portions created by the Initial Developer are Copyright (C) 2003
  18 * the Initial Developer. All Rights Reserved.
  19 *
  20 * Contributor(s): igor@fastmail.fm, pschwartau@netscape.com
  21 *
  22 * Alternatively, the contents of this file may be used under the terms of
  23 * either the GNU General Public License Version 2 or later (the "GPL"), or
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  25 * in which case the provisions of the GPL or the LGPL are applicable instead
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  34 * ***** END LICENSE BLOCK *****
  35 *
  36 *
  37 * Date:    14 April 2003
  38 * SUMMARY: Prototype of predefined error objects should be DontDelete
  39 * See http://bugzilla.mozilla.org/show_bug.cgi?id=201989
  40 *
  41 */
  42 //-----------------------------------------------------------------------------
  43 var UBound = 0;
  44 var bug = 201989;
  45 var summary = 'Prototype of predefined error objects should be DontDelete';
  46 var status = '';
  47 var statusitems = [];
  48 var actual = '';
  49 var actualvalues = [];
  50 var expect= '';
  51 var expectedvalues = [];
  52
  53
  54 /*
  55  * Tests that |F.prototype| is DontDelete
  56  */
  57 function testDontDelete(F)
  58 {
  59   var orig = F.prototype;
  60   delete F.prototype;
  61   return F.prototype === orig;
  62 }
  63
  64
  65 var list = [
  66     "Error",
  67     "ConversionError",
  68     "EvalError",
  69     "RangeError",
  70     "ReferenceError",
  71     "SyntaxError",
  72     "TypeError",
  73     "URIError"
  74 ];
  75
  76
  77 for (i in list)
  78 {
  79   var F = this[list[i]];
  80
  81   // Test for |F|; e.g. Rhino defines |ConversionError| while SM does not.
  82   if (F)
  83   {
  84     status = 'Testing DontDelete attribute of |' + list[i] + '.prototype|';
  85     actual = testDontDelete(F);
  86     expect = true;
  87     addThis();
  88   }
  89 }
  90
  91
  92
  93 //-----------------------------------------------------------------------------
  94 test();
  95 //-----------------------------------------------------------------------------
  96
  97
  98
  99 function addThis()
 100 {
 101   statusitems[UBound] = status;
 102   actualvalues[UBound] = actual;
 103   expectedvalues[UBound] = expect;
 104   UBound++;
 105 }
 106
 107
 108 function test()
 109 {
 110   enterFunc('test');
 111   printBugNumber(bug);
 112   printStatus(summary);
 113
 114   for (var i=0; i<UBound; i++)
 115   {
 116     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
 117   }
 118
 119   exitFunc ('test');
 120 }