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comparison: js/src/tests/ecma_3/Number/15.7.4.7-1.js
js/src/tests/ecma_3/Number/15.7.4.7-1.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:09026d31baa3 |
|---|---|
| 1 // |reftest| fails | |
| 2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 /* | |
| 8 * Date: 2001-07-15 | |
| 9 * | |
| 10 * SUMMARY: Testing Number.prototype.toPrecision(precision) | |
| 11 * See EMCA 262 Edition 3 Section 15.7.4.7 | |
| 12 * | |
| 13 * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551 | |
| 14 * | |
| 15 */ | |
| 16 //----------------------------------------------------------------------------- | |
| 17 var UBound = 0; | |
| 18 var BUGNUMBER = '(none)'; | |
| 19 var summary = 'Testing Number.prototype.toPrecision(precision)'; | |
| 20 var cnIsRangeError = 'instanceof RangeError'; | |
| 21 var cnNotRangeError = 'NOT instanceof RangeError'; | |
| 22 var cnNoErrorCaught = 'NO ERROR CAUGHT...'; | |
| 23 var status = ''; | |
| 24 var statusitems = []; | |
| 25 var actual = ''; | |
| 26 var actualvalues = []; | |
| 27 var expect= ''; | |
| 28 var expectedvalues = []; | |
| 29 var testNum = 5.123456; | |
| 30 | |
| 31 | |
| 32 status = 'Section A of test: no error intended!'; | |
| 33 actual = testNum.toPrecision(4); | |
| 34 expect = '5.123'; | |
| 35 captureThis(); | |
| 36 | |
| 37 status = 'Section B of test: Infinity.toPrecision() with out-of-range fractionDigits'; | |
| 38 actual = Number.POSITIVE_INFINITY.toPrecision(-3); | |
| 39 expect = 'Infinity'; | |
| 40 captureThis(); | |
| 41 | |
| 42 status = 'Section C of test: -Infinity.toPrecision() with out-of-range fractionDigits'; | |
| 43 actual = Number.NEGATIVE_INFINITY.toPrecision(-3); | |
| 44 expect = '-Infinity'; | |
| 45 captureThis(); | |
| 46 | |
| 47 status = 'Section D of test: NaN.toPrecision() with out-of-range fractionDigits'; | |
| 48 actual = Number.NaN.toPrecision(-3); | |
| 49 expect = 'NaN'; | |
| 50 captureThis(); | |
| 51 | |
| 52 | |
| 53 /////////////////////////// OOPS.... /////////////////////////////// | |
| 54 /************************************************************************* | |
| 55 * 15.7.4.7 Number.prototype.toPrecision(precision) | |
| 56 * | |
| 57 * An implementation is permitted to extend the behaviour of toPrecision | |
| 58 * for values of precision less than 1 or greater than 21. In this | |
| 59 * case toPrecision would not necessarily throw RangeError for such values. | |
| 60 | |
| 61 status = 'Section B of test: expect RangeError because precision < 1'; | |
| 62 actual = catchError('testNum.toPrecision(0)'); | |
| 63 expect = cnIsRangeError; | |
| 64 captureThis(); | |
| 65 | |
| 66 status = 'Section C of test: expect RangeError because precision < 1'; | |
| 67 actual = catchError('testNum.toPrecision(-4)'); | |
| 68 expect = cnIsRangeError; | |
| 69 captureThis(); | |
| 70 | |
| 71 status = 'Section D of test: expect RangeError because precision > 21 '; | |
| 72 actual = catchError('testNum.toPrecision(22)'); | |
| 73 expect = cnIsRangeError; | |
| 74 captureThis(); | |
| 75 *************************************************************************/ | |
| 76 | |
| 77 | |
| 78 | |
| 79 //----------------------------------------------------------------------------- | |
| 80 test(); | |
| 81 //----------------------------------------------------------------------------- | |
| 82 | |
| 83 | |
| 84 function captureThis() | |
| 85 { | |
| 86 statusitems[UBound] = status; | |
| 87 actualvalues[UBound] = actual; | |
| 88 expectedvalues[UBound] = expect; | |
| 89 UBound++; | |
| 90 } | |
| 91 | |
| 92 | |
| 93 function test() | |
| 94 { | |
| 95 enterFunc ('test'); | |
| 96 printBugNumber(BUGNUMBER); | |
| 97 printStatus (summary); | |
| 98 | |
| 99 for (var i = 0; i < UBound; i++) | |
| 100 { | |
| 101 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 102 } | |
| 103 | |
| 104 exitFunc ('test'); | |
| 105 } | |
| 106 | |
| 107 | |
| 108 function catchError(sEval) | |
| 109 { | |
| 110 try {eval(sEval);} | |
| 111 catch(e) {return isRangeError(e);} | |
| 112 return cnNoErrorCaught; | |
| 113 } | |
| 114 | |
| 115 | |
| 116 function isRangeError(obj) | |
| 117 { | |
| 118 if (obj instanceof RangeError) | |
| 119 return cnIsRangeError; | |
| 120 return cnNotRangeError; | |
| 121 } |
