gecko/js/tests/js1_7/regress/regress-363040-02.js

101 lines
3.5 KiB
JavaScript

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Jeff Walden
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var gTestfile = 'regress-363040-02.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 363040;
var summary = 'Array.prototype.reduce application in array flattening';
var actual = '';
var expect = '';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
function flatten(arr)
{
function op(partial, item)
{
if (item instanceof Array)
Array.prototype.push.apply(partial, flatten(item));
else
partial.push(item);
return partial;
}
return arr.reduce(op, []);
}
expect = [1, 2, 3];
actual = flatten([1, 2, 3]); // [1, 2, 3]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [1, 2, 3];
actual = flatten([1, [2], 3]); // [1, 2, 3]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [2, 3];
actual = flatten([[], 2, 3]); // [2, 3]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [1, 2, 3];
actual = flatten([[1], 2, 3]); // [1, 2, 3]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [4];
actual = flatten([[[[4]]]]); // [4]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [1, 2, 3];
actual = flatten([1, [2, [3]]]); // [1, 2, 3]
reportCompare(expect + '', actual + '', summary + ': ' + expect);
expect = [];
actual = flatten([[[[[]]]]]); // []
reportCompare(expect + '', actual + '', summary + ': ' + expect);
exitFunc ('test');
}