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