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@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//-----------------------------------------------------------------------------
29var UBound = 0;
30var bug = '(none)';
31var summary = 'Testing Number.prototype.toFixed(fractionDigits)';
32var cnIsRangeError = 'instanceof RangeError';
33var cnNotRangeError = 'NOT instanceof RangeError';
34var cnNoErrorCaught = 'NO ERROR CAUGHT...';
35var status = '';
36var statusitems = [];
37var actual = '';
38var actualvalues = [];
39var expect= '';
40var expectedvalues = [];
41var testNum = 234.2040506;
42
43
44status = 'Section A of test: no error intended!';
45actual = testNum.toFixed(4);
46expect = '234.2041';
47captureThis();
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
58status = 'Section B of test: expect RangeError because fractionDigits < 0';
59actual = catchError('testNum.toFixed(-4)');
60expect = cnIsRangeError;
61captureThis();
62
63status = 'Section C of test: expect RangeError because fractionDigits > 20 ';
64actual = catchError('testNum.toFixed(21)');
65expect = cnIsRangeError;
66captureThis();
67*************************************************************************/
68
69
70status = 'Section D of test: no error intended!';
71actual =  0.00001.toFixed(2);
72expect = '0.00';
73captureThis();
74
75status = 'Section E of test: no error intended!';
76actual =  0.000000000000000000001.toFixed(20);
77expect = '0.00000000000000000000';
78captureThis();
79
80
81
82//-----------------------------------------------------------------------------
83test();
84//-----------------------------------------------------------------------------
85
86
87function captureThis()
88{
89  statusitems[UBound] = status;
90  actualvalues[UBound] = actual;
91  expectedvalues[UBound] = expect;
92  UBound++;
93}
94
95
96function 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
111function catchError(sEval)
112{
113  try {eval(sEval);}
114  catch(e) {return isRangeError(e);}
115  return cnNoErrorCaught;
116}
117
118
119function isRangeError(obj)
120{
121  if (obj instanceof RangeError)
122    return cnIsRangeError;
123  return cnNotRangeError;
124}
125