gecko/js/tests/js1_7/block/regress-344139.js

126 lines
3.0 KiB
JavaScript
Executable File

/* -*- 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
* Jeff Walden <jwalden+code@mit.edu>.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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-344139.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = "344139";
var summary = "Basic let functionality";
var actual, expect;
printBugNumber(BUGNUMBER);
printStatus(summary);
/**************
* BEGIN TEST *
**************/
var failed = false;
var x = 7;
function f1()
{
let x = 5;
return x;
}
function f2()
{
let x = 5;
x = 3;
return x;
}
function f3()
{
let x = 5;
x += x;
return x;
}
function f4()
{
var v = 5;
let q = 17;
// 0+1+2+...+8+9 == 45
for (let v = 0; v < 10; v++)
q += v;
if (q != 62)
throw "f4(): wrong value for q\n" +
" expected: 62\n" +
" actual: " + q;
return v;
}
try
{
if (f1() != 5 || x != 7)
throw "f1() == 5";
if (f2() != 3 || x != 7)
throw "f2() == 3";
if (f3() != 10 || x != 7)
throw "f3() == 10";
if (f4() != 5)
throw "f4() == 5";
var bad = true;
try
{
eval("q++"); // force error at runtime
}
catch (e)
{
if (e instanceof ReferenceError)
bad = false;
}
if (bad)
throw "f4(): q escaping scope!";
}
catch (e)
{
failed = e;
}
expect = false;
actual = failed;
reportCompare(expect, actual, summary);