tests/mozilla/ecma_3/Exceptions/regress-181654.js

   1 /* ***** BEGIN LICENSE BLOCK *****
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   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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  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) 2002
  18 * the Initial Developer. All Rights Reserved.
  19 *
  20 * Contributor(s): joerg.schaible@gmx.de
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  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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  34 * ***** END LICENSE BLOCK *****
  35 *
  36 *
  37 * Date:    23 Nov 2002
  38 * SUMMARY: Calling toString for an object derived from the Error class
  39 *                  results in an TypeError (Rhino only)
  40 * See http://bugzilla.mozilla.org/show_bug.cgi?id=181654
  41 */
  42 //-----------------------------------------------------------------------------
  43 var UBound = 0;
  44 var bug = '181654';
  45 var summary = 'Calling toString for an object derived from the Error class should be possible.';
  46 var status = '';
  47 var statusitems = [];
  48 var actual = '';
  49 var actualvalues = [];
  50 var expect= '';
  51 var expectedvalues = [];
  52 var EMPTY_STRING = '';
  53 var EXPECTED_FORMAT = 0;
  54
  55
  56 // derive MyError from Error
  57 function MyError( msg )
  58 {
  59         this.message = msg;
  60 }
  61 MyError.prototype = new Error();
  62 MyError.prototype.name = "MyError";
  63
  64
  65 status = inSection(1);
  66 var err1 = new MyError('msg1');
  67 actual = examineThis(err1, 'msg1');
  68 expect = EXPECTED_FORMAT;
  69 addThis();
  70
  71 status = inSection(2);
  72 var err2 = new MyError(err1);
  73 actual = examineThis(err2, err1);
  74 expect = EXPECTED_FORMAT;
  75 addThis();
  76
  77 status = inSection(3);
  78 var err3 = new MyError();
  79 actual = examineThis(err3, EMPTY_STRING);
  80 expect = EXPECTED_FORMAT;
  81 addThis();
  82
  83 status = inSection(4);
  84 var err4 = new MyError(EMPTY_STRING);
  85 actual = examineThis(err4, EMPTY_STRING);
  86 expect = EXPECTED_FORMAT;
  87 addThis();
  88
  89 // now generate an error -
  90 status = inSection(5);
  91 try
  92 {
  93   throw new MyError("thrown");
  94 }
  95 catch(err5)
  96 {
  97  actual = examineThis(err5, "thrown");
  98 }
  99 expect = EXPECTED_FORMAT;
 100 addThis();
 101
 102
 103
 104 //-----------------------------------------------------------------------------
 105 test();
 106 //-----------------------------------------------------------------------------
 107
 108
 109
 110 /*
 111  * Searches err.toString() for err.name + ':' + err.message,
 112  * with possible whitespace on each side of the colon sign.
 113  *
 114  * We allow for no colon in case err.message was not provided by the user.
 115  * In such a case, SpiderMonkey and Rhino currently set err.message = '',
 116  * as allowed for by ECMA 15.11.4.3. This makes |pattern| work in this case.
 117  *
 118  * If this is ever changed to a non-empty string, e.g. 'undefined',
 119  * you may have to modify |pattern| to take that into account -
 120  *
 121  */
 122 function examineThis(err, msg)
 123 {
 124   var pattern = err.name + '\\s*:?\\s*' + msg;
 125   return err.toString().search(RegExp(pattern));
 126 }
 127
 128
 129 function addThis()
 130 {
 131   statusitems[UBound] = status;
 132   actualvalues[UBound] = actual;
 133   expectedvalues[UBound] = expect;
 134   UBound++;
 135 }
 136
 137
 138 function test()
 139 {
 140   enterFunc ('test');
 141   printBugNumber (bug);
 142   printStatus (summary);
 143
 144   for (var i = 0; i < UBound; i++)
 145   {
 146     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
 147   }
 148
 149   exitFunc ('test');
 150 }