js/src/tests/ecma_3/Number/15.7.4.7-1.js@6474c204b198
js/src/tests/ecma_3/Number/15.7.4.7-1.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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/. */
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;
32 status = 'Section A of test: no error intended!';
33 actual = testNum.toPrecision(4);
34 expect = '5.123';
35 captureThis();
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();
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();
47 status = 'Section D of test: NaN.toPrecision() with out-of-range fractionDigits';
48 actual = Number.NaN.toPrecision(-3);
49 expect = 'NaN';
50 captureThis();
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.
61 status = 'Section B of test: expect RangeError because precision < 1';
62 actual = catchError('testNum.toPrecision(0)');
63 expect = cnIsRangeError;
64 captureThis();
66 status = 'Section C of test: expect RangeError because precision < 1';
67 actual = catchError('testNum.toPrecision(-4)');
68 expect = cnIsRangeError;
69 captureThis();
71 status = 'Section D of test: expect RangeError because precision > 21 ';
72 actual = catchError('testNum.toPrecision(22)');
73 expect = cnIsRangeError;
74 captureThis();
75 *************************************************************************/
79 //-----------------------------------------------------------------------------
80 test();
81 //-----------------------------------------------------------------------------
84 function captureThis()
85 {
86 statusitems[UBound] = status;
87 actualvalues[UBound] = actual;
88 expectedvalues[UBound] = expect;
89 UBound++;
90 }
93 function test()
94 {
95 enterFunc ('test');
96 printBugNumber(BUGNUMBER);
97 printStatus (summary);
99 for (var i = 0; i < UBound; i++)
100 {
101 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
102 }
104 exitFunc ('test');
105 }
108 function catchError(sEval)
109 {
110 try {eval(sEval);}
111 catch(e) {return isRangeError(e);}
112 return cnNoErrorCaught;
113 }
116 function isRangeError(obj)
117 {
118 if (obj instanceof RangeError)
119 return cnIsRangeError;
120 return cnNotRangeError;
121 }
