• file
• revisions
• annotate
• diff
• comparison
• raw

js/src/tests/ecma_3/Number/15.7.4.5-1.js@6474c204b198 (annotated)

js/src/tests/ecma_3/Number/15.7.4.5-1.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.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	/*
michael@0	7	* Date: 2001-07-15
michael@0	8	*
michael@0	9	* SUMMARY: Testing Number.prototype.toFixed(fractionDigits)
michael@0	10	* See EMCA 262 Edition 3 Section 15.7.4.5
michael@0	11	*
michael@0	12	* Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551
michael@0	13	*
michael@0	14	*/
michael@0	15	//-----------------------------------------------------------------------------
michael@0	16	var UBound = 0;
michael@0	17	var BUGNUMBER = '(none)';
michael@0	18	var summary = 'Testing Number.prototype.toFixed(fractionDigits)';
michael@0	19	var cnIsRangeError = 'instanceof RangeError';
michael@0	20	var cnNotRangeError = 'NOT instanceof RangeError';
michael@0	21	var cnNoErrorCaught = 'NO ERROR CAUGHT...';
michael@0	22	var status = '';
michael@0	23	var statusitems = [];
michael@0	24	var actual = '';
michael@0	25	var actualvalues = [];
michael@0	26	var expect= '';
michael@0	27	var expectedvalues = [];
michael@0	28	var testNum = 234.2040506;
michael@0	29
michael@0	30
michael@0	31	status = 'Section A of test: no error intended!';
michael@0	32	actual = testNum.toFixed(4);
michael@0	33	expect = '234.2041';
michael@0	34	captureThis();
michael@0	35
michael@0	36
michael@0	37	/////////////////////////// OOPS.... ///////////////////////////////
michael@0	38	/*************************************************************************
michael@0	39	* 15.7.4.5 Number.prototype.toFixed(fractionDigits)
michael@0	40	*
michael@0	41	* An implementation is permitted to extend the behaviour of toFixed
michael@0	42	* for values of fractionDigits less than 0 or greater than 20. In this
michael@0	43	* case toFixed would not necessarily throw RangeError for such values.
michael@0	44
michael@0	45	status = 'Section B of test: expect RangeError because fractionDigits < 0';
michael@0	46	actual = catchError('testNum.toFixed(-4)');
michael@0	47	expect = cnIsRangeError;
michael@0	48	captureThis();
michael@0	49
michael@0	50	status = 'Section C of test: expect RangeError because fractionDigits > 20 ';
michael@0	51	actual = catchError('testNum.toFixed(21)');
michael@0	52	expect = cnIsRangeError;
michael@0	53	captureThis();
michael@0	54	*************************************************************************/
michael@0	55
michael@0	56
michael@0	57	status = 'Section D of test: no error intended!';
michael@0	58	actual = 0.00001.toFixed(2);
michael@0	59	expect = '0.00';
michael@0	60	captureThis();
michael@0	61
michael@0	62	status = 'Section E of test: no error intended!';
michael@0	63	actual = 0.000000000000000000001.toFixed(20);
michael@0	64	expect = '0.00000000000000000000';
michael@0	65	captureThis();
michael@0	66
michael@0	67
michael@0	68
michael@0	69	//-----------------------------------------------------------------------------
michael@0	70	test();
michael@0	71	//-----------------------------------------------------------------------------
michael@0	72
michael@0	73
michael@0	74	function captureThis()
michael@0	75	{
michael@0	76	statusitems[UBound] = status;
michael@0	77	actualvalues[UBound] = actual;
michael@0	78	expectedvalues[UBound] = expect;
michael@0	79	UBound++;
michael@0	80	}
michael@0	81
michael@0	82
michael@0	83	function test()
michael@0	84	{
michael@0	85	enterFunc ('test');
michael@0	86	printBugNumber(BUGNUMBER);
michael@0	87	printStatus (summary);
michael@0	88
michael@0	89	for (var i = 0; i < UBound; i++)
michael@0	90	{
michael@0	91	reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0	92	}
michael@0	93
michael@0	94	exitFunc ('test');
michael@0	95	}
michael@0	96
michael@0	97
michael@0	98	function catchError(sEval)
michael@0	99	{
michael@0	100	try {eval(sEval);}
michael@0	101	catch(e) {return isRangeError(e);}
michael@0	102	return cnNoErrorCaught;
michael@0	103	}
michael@0	104
michael@0	105
michael@0	106	function isRangeError(obj)
michael@0	107	{
michael@0	108	if (obj instanceof RangeError)
michael@0	109	return cnIsRangeError;
michael@0	110	return cnNotRangeError;
michael@0	111	}