gecko/js/tests/js1_7/geniter/regress-366941.js

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/* -*- 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): Robert Sayre
*
* 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-366941.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 366941;
var summary = 'Destructuring enumerations, iterations';
var actual = '';
var expect = '';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
var list1 = [[1,2],[3,4],[5,6]];
var list2 = [[1,2,3],[4,5,6],[7,8,9]];
expect = '1,2;3,4;5,6;';
actual = '';
for each (var [foo, bar] in list1) {
actual += foo + "," + bar + ";";
}
reportCompare(expect, actual, summary + ': 1');
expect = '1,2,3;4,5,6;7,8,9;';
actual = '';
for each (var [foo, bar, baz] in list2) {
actual += foo + "," + bar + "," + baz + ";";
}
reportCompare(expect, actual, summary + ': 2');
function gen(list) {
for each (var test in list) {
yield test;
}
}
var iter1 = gen(list1);
expect = '1,2;3,4;5,6;';
actual = '';
for (var [foo, bar] in iter1) {
actual += foo + "," + bar + ";";
}
reportCompare(expect, actual, summary + ': 3');
// syntax error in js17
var iter2 = gen(list2);
expect = /SyntaxError: (invalid for.in left-hand side|Left hand side of for..in loop must be an array of length 2 to accept key.value pair.)/;
actual = '';
try
{
eval('for (var [foo, bar, baz] in iter2) {' +
'actual += foo + "," + bar + "," + baz + ";";' +
'}');
actual = 'No Error';
}
catch(ex)
{
actual = ex + '';
}
reportMatch(expect, actual, summary + ': 4');
exitFunc ('test');
}