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137 lines
4.2 KiB
JavaScript
137 lines
4.2 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* pschwartau@netscape.com
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK *****
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*
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* Date: 2001-07-15
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*
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* SUMMARY: Testing Number.prototype.toPrecision(precision)
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* See EMCA 262 Edition 3 Section 15.7.4.7
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*
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* Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551
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*
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*/
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//-----------------------------------------------------------------------------
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var UBound = 0;
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var bug = '(none)';
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var summary = 'Testing Number.prototype.toPrecision(precision)';
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var cnIsRangeError = 'instanceof RangeError';
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var cnNotRangeError = 'NOT instanceof RangeError';
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var cnNoErrorCaught = 'NO ERROR CAUGHT...';
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var status = '';
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var statusitems = [];
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var actual = '';
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var actualvalues = [];
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var expect= '';
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var expectedvalues = [];
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var testNum = 5.123456;
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status = 'Section A of test: no error intended!';
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actual = testNum.toPrecision(4);
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expect = '5.123';
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captureThis();
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/////////////////////////// OOPS.... ///////////////////////////////
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/*************************************************************************
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* 15.7.4.7 Number.prototype.toPrecision(precision)
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*
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* An implementation is permitted to extend the behaviour of toPrecision
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* for values of precision less than 1 or greater than 21. In this
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* case toPrecision would not necessarily throw RangeError for such values.
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status = 'Section B of test: expect RangeError because precision < 1';
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actual = catchError('testNum.toPrecision(0)');
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expect = cnIsRangeError;
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captureThis();
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status = 'Section C of test: expect RangeError because precision < 1';
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actual = catchError('testNum.toPrecision(-4)');
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expect = cnIsRangeError;
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captureThis();
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status = 'Section D of test: expect RangeError because precision > 21 ';
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actual = catchError('testNum.toPrecision(22)');
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expect = cnIsRangeError;
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captureThis();
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*************************************************************************/
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//-----------------------------------------------------------------------------
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test();
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//-----------------------------------------------------------------------------
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function captureThis()
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{
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statusitems[UBound] = status;
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actualvalues[UBound] = actual;
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expectedvalues[UBound] = expect;
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UBound++;
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}
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function test()
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{
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enterFunc ('test');
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printBugNumber (bug);
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printStatus (summary);
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for (var i = 0; i < UBound; i++)
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{
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reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
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}
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exitFunc ('test');
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}
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function catchError(sEval)
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{
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try {eval(sEval);}
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catch(e) {return isRangeError(e);}
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return cnNoErrorCaught;
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}
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function isRangeError(obj)
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{
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if (obj instanceof RangeError)
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return cnIsRangeError;
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return cnNotRangeError;
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}
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