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128 lines
4.0 KiB
JavaScript
128 lines
4.0 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 Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2002
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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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*
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* Date: 06 November 2002
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* SUMMARY: arr.sort() should not output |undefined| when |arr| is empty
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=178722
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*
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* ECMA-262 Ed.3: 15.4.4.11 Array.prototype.sort (comparefn)
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*
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* 1. Call the [[Get]] method of this object with argument "length".
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* 2. Call ToUint32(Result(1)).
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* 3. Perform an implementation-dependent sequence of calls to the [[Get]],
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* [[Put]], and [[Delete]] methods of this object, etc. etc.
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* 4. Return this object.
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*
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*
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* Note that sort() is done in-place on |arr|. In other words, sort() is a
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* "destructive" method rather than a "functional" method. The return value
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* of |arr.sort()| and |arr| are the same object.
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*
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* If |arr| is an empty array, the return value of |arr.sort()| should be
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* an empty array, not the value |undefined| as was occurring in bug 178722.
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*
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*/
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//-----------------------------------------------------------------------------
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var gTestfile = 'regress-178722.js';
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var UBound = 0;
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var BUGNUMBER = 178722;
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var summary = 'arr.sort() should not output |undefined| when |arr| is empty';
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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 arr;
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// create empty array or pseudo-array objects in various ways
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function f () {return arguments};
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var arr5 = f();
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arr5.__proto__ = Array.prototype;
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status = inSection(5);
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arr = arr5.sort();
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actual = arr instanceof Array && arr.length === 0 && arr === arr5;
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expect = true;
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addThis();
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// now do the same thing, with non-default sorting:
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function g() {return 1;}
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status = inSection('5a');
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arr = arr5.sort(g);
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actual = arr instanceof Array && arr.length === 0 && arr === arr5;
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expect = true;
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addThis();
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//-----------------------------------------------------------------------------
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test();
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//-----------------------------------------------------------------------------
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function addThis()
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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(BUGNUMBER);
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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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