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84 lines
2.9 KiB
JavaScript
84 lines
2.9 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** 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 JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communication 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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*
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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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gTestfile = 'number-003.js';
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/**
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File Name: number-003.js
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Corresponds To: 15.7.4.3-3.js
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ECMA Section: 15.7.4.3.1 Number.prototype.valueOf()
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Description:
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Returns this number value.
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The valueOf function is not generic; it generates a runtime error if its
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this value is not a Number object. Therefore it cannot be transferred to
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other kinds of objects for use as a method.
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Author: christine@netscape.com
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Date: 16 september 1997
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*/
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var SECTION = "number-003";
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var VERSION = "JS1_4";
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var TITLE = "Exceptions for Number.valueOf()";
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startTest();
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writeHeaderToLog( SECTION + " Number.prototype.valueOf()");
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var result = "Failed";
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var exception = "No exception thrown";
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var expect = "Passed";
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try {
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VALUE_OF = Number.prototype.valueOf;
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OBJECT = new String("Infinity");
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OBJECT.valueOf = VALUE_OF;
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result = OBJECT.valueOf();
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} catch ( e ) {
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result = expect;
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exception = e.toString();
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}
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new TestCase(
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SECTION,
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"Assigning Number.prototype.valueOf as the valueOf of a String object " +
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" (threw " + exception +")",
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expect,
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result );
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test();
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