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      1 /*
      2 * The contents of this file are subject to the Netscape Public
      3 * License Version 1.1 (the "License"); you may not use this file
      4 * except in compliance with the License. You may obtain a copy of
      5 * the License at http://www.mozilla.org/NPL/
      6 *
      7 * Software distributed under the License is distributed on an
      8 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either expressed
      9 * or implied. See the License for the specific language governing
     10 * rights and limitations under the License.
     11 *
     12 * The Original Code is mozilla.org code.
     13 *
     14 * The Initial Developer of the Original Code is Netscape
     15 * Communications Corporation.  Portions created by Netscape are
     16 * Copyright (C) 1998 Netscape Communications Corporation.
     17 * All Rights Reserved.
     18 *
     19 * Contributor(s): pschwartau (at) netscape.com
     20 * Date: 2001-07-15
     21 *
     22 * SUMMARY: Testing Number.prototype.toFixed(fractionDigits)
     23 * See EMCA 262 Edition 3 Section 15.7.4.5
     24 *
     25 * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551
     26 *
     27 */
     28 //-----------------------------------------------------------------------------
     29 var UBound = 0;
     30 var bug = '(none)';
     31 var summary = 'Testing Number.prototype.toFixed(fractionDigits)';
     32 var cnIsRangeError = 'instanceof RangeError';
     33 var cnNotRangeError = 'NOT instanceof RangeError';
     34 var cnNoErrorCaught = 'NO ERROR CAUGHT...';
     35 var status = '';
     36 var statusitems = [];
     37 var actual = '';
     38 var actualvalues = [];
     39 var expect= '';
     40 var expectedvalues = [];
     41 var testNum = 234.2040506;
     42 
     43 
     44 status = 'Section A of test: no error intended!';
     45 actual = testNum.toFixed(4);
     46 expect = '234.2041';
     47 captureThis();
     48 
     49 
     50 ///////////////////////////    OOPS....    ///////////////////////////////
     51 /*************************************************************************
     52  * 15.7.4.5 Number.prototype.toFixed(fractionDigits)
     53  *
     54  * An implementation is permitted to extend the behaviour of toFixed
     55  * for values of fractionDigits less than 0 or greater than 20. In this
     56  * case toFixed would not necessarily throw RangeError for such values.
     57 
     58 status = 'Section B of test: expect RangeError because fractionDigits < 0';
     59 actual = catchError('testNum.toFixed(-4)');
     60 expect = cnIsRangeError;
     61 captureThis();
     62 
     63 status = 'Section C of test: expect RangeError because fractionDigits > 20 ';
     64 actual = catchError('testNum.toFixed(21)');
     65 expect = cnIsRangeError;
     66 captureThis();
     67 *************************************************************************/
     68 
     69 
     70 status = 'Section D of test: no error intended!';
     71 actual =  0.00001.toFixed(2);
     72 expect = '0.00';
     73 captureThis();
     74 
     75 status = 'Section E of test: no error intended!';
     76 actual =  0.000000000000000000001.toFixed(20);
     77 expect = '0.00000000000000000000';
     78 captureThis();
     79 
     80 
     81 
     82 //-----------------------------------------------------------------------------
     83 test();
     84 //-----------------------------------------------------------------------------
     85 
     86 
     87 function captureThis()
     88 {
     89   statusitems[UBound] = status;
     90   actualvalues[UBound] = actual;
     91   expectedvalues[UBound] = expect;
     92   UBound++;
     93 }
     94 
     95 
     96 function test()
     97 {
     98   enterFunc ('test');
     99   printBugNumber (bug);
    100   printStatus (summary);
    101 
    102   for (var i = 0; i < UBound; i++)
    103   {
    104     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
    105   }
    106 
    107   exitFunc ('test');
    108 }
    109 
    110 
    111 function catchError(sEval)
    112 {
    113   try {eval(sEval);}
    114   catch(e) {return isRangeError(e);}
    115   return cnNoErrorCaught;
    116 }
    117 
    118 
    119 function isRangeError(obj)
    120 {
    121   if (obj instanceof RangeError)
    122     return cnIsRangeError;
    123   return cnNotRangeError;
    124 }
    125