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

js/src/tests/ecma_3/Number/15.7.4.6-1.js@6474c204b198 (annotated)

js/src/tests/ecma_3/Number/15.7.4.6-1.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	// |reftest| fails
michael@0	2	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	/*
michael@0	8	* Date: 2001-07-15
michael@0	9	*
michael@0	10	* SUMMARY: Testing Number.prototype.toExponential(fractionDigits)
michael@0	11	* See EMCA 262 Edition 3 Section 15.7.4.6
michael@0	12	*
michael@0	13	* Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551
michael@0	14	*
michael@0	15	*/
michael@0	16	//-----------------------------------------------------------------------------
michael@0	17	var UBound = 0;
michael@0	18	var BUGNUMBER = '(none)';
michael@0	19	var summary = 'Testing Number.prototype.toExponential(fractionDigits)';
michael@0	20	var cnIsRangeError = 'instanceof RangeError';
michael@0	21	var cnNotRangeError = 'NOT instanceof RangeError';
michael@0	22	var cnNoErrorCaught = 'NO ERROR CAUGHT...';
michael@0	23	var status = '';
michael@0	24	var statusitems = [];
michael@0	25	var actual = '';
michael@0	26	var actualvalues = [];
michael@0	27	var expect= '';
michael@0	28	var expectedvalues = [];
michael@0	29	var testNum = 77.1234;
michael@0	30
michael@0	31
michael@0	32	status = 'Section A of test: no error intended!';
michael@0	33	actual = testNum.toExponential(4);
michael@0	34	expect = '7.7123e+1';
michael@0	35	captureThis();
michael@0	36
michael@0	37	status = 'Section B of test: Infinity.toExponential() with out-of-range fractionDigits';
michael@0	38	actual = Number.POSITIVE_INFINITY.toExponential(-3);
michael@0	39	expect = 'Infinity';
michael@0	40	captureThis();
michael@0	41
michael@0	42	status = 'Section C of test: -Infinity.toExponential() with out-of-range fractionDigits';
michael@0	43	actual = Number.NEGATIVE_INFINITY.toExponential(-3);
michael@0	44	expect = '-Infinity';
michael@0	45	captureThis();
michael@0	46
michael@0	47	status = 'Section D of test: NaN.toExponential() with out-of-range fractionDigits';
michael@0	48	actual = Number.NaN.toExponential(-3);
michael@0	49	expect = 'NaN';
michael@0	50	captureThis();
michael@0	51
michael@0	52
michael@0	53	/////////////////////////// OOPS.... ///////////////////////////////
michael@0	54	/*************************************************************************
michael@0	55	* 15.7.4.6 Number.prototype.toExponential(fractionDigits)
michael@0	56	*
michael@0	57	* An implementation is permitted to extend the behaviour of toExponential
michael@0	58	* for values of fractionDigits less than 0 or greater than 20. In this
michael@0	59	* case toExponential would not necessarily throw RangeError for such values.
michael@0	60
michael@0	61	status = 'Section B of test: expect RangeError because fractionDigits < 0';
michael@0	62	actual = catchError('testNum.toExponential(-4)');
michael@0	63	expect = cnIsRangeError;
michael@0	64	captureThis();
michael@0	65
michael@0	66	status = 'Section C of test: expect RangeError because fractionDigits > 20 ';
michael@0	67	actual = catchError('testNum.toExponential(21)');
michael@0	68	expect = cnIsRangeError;
michael@0	69	captureThis();
michael@0	70	*************************************************************************/
michael@0	71
michael@0	72
michael@0	73
michael@0	74	//-----------------------------------------------------------------------------
michael@0	75	test();
michael@0	76	//-----------------------------------------------------------------------------
michael@0	77
michael@0	78
michael@0	79	function captureThis()
michael@0	80	{
michael@0	81	statusitems[UBound] = status;
michael@0	82	actualvalues[UBound] = actual;
michael@0	83	expectedvalues[UBound] = expect;
michael@0	84	UBound++;
michael@0	85	}
michael@0	86
michael@0	87
michael@0	88	function test()
michael@0	89	{
michael@0	90	enterFunc ('test');
michael@0	91	printBugNumber(BUGNUMBER);
michael@0	92	printStatus (summary);
michael@0	93
michael@0	94	for (var i = 0; i < UBound; i++)
michael@0	95	{
michael@0	96	reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0	97	}
michael@0	98
michael@0	99	exitFunc ('test');
michael@0	100	}
michael@0	101
michael@0	102
michael@0	103	function catchError(sEval)
michael@0	104	{
michael@0	105	try {eval(sEval);}
michael@0	106	catch(e) {return isRangeError(e);}
michael@0	107	return cnNoErrorCaught;
michael@0	108	}
michael@0	109
michael@0	110
michael@0	111	function isRangeError(obj)
michael@0	112	{
michael@0	113	if (obj instanceof RangeError)
michael@0	114	return cnIsRangeError;
michael@0	115	return cnNotRangeError;
michael@0	116	}