gecko/js/tests/js1_7/regress/regress-418641.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): Igor Bukanov
*
* 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-418641.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 418641;
var summary = '++ and -- correctness';
var actual = '';
var expect = '';
printBugNumber(BUGNUMBER);
printStatus (summary);
function get_pre_check(operand, op)
{
return "{\n"+
" "+operand+" = I;\n"+
" let tmp = "+op+op+operand+";\n"+
" if ("+operand+" !== Number(I) "+op+" 1)\n"+
" throw Error('"+op+op+operand+" case 1 for '+uneval(I));\n"+
" if (tmp !== "+operand+")\n"+
" throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
"}\n";
}
function get_post_check(operand, op)
{
return "{\n"+
" "+operand+" = I;\n"+
" let tmp = "+operand+op+op+";\n"+
" if ("+operand+" !== Number(I) "+op+" 1)\n"+
" throw Error('"+operand+op+op+" case 1 for '+uneval(I));\n"+
" if (tmp !== Number(I))\n"+
" throw Error('"+op+op+operand+" case 2 for '+uneval(I));\n"+
"}\n";
}
function get_check_source(operand)
{
return get_pre_check(operand, '+')+
get_pre_check(operand, '-')+
get_post_check(operand, '+')+
get_post_check(operand, '-');
}
var arg_check = Function('I', 'a', get_check_source('a'));
var let_check = Function('I', 'let a;'+get_check_source('a'));
var var_check = Function('I', 'var a;'+get_check_source('a'));
var my_name;
var my_obj = {};
var my_index = 0;
var name_check = Function('I', get_check_source('my_name'));
var prop_check = Function('I', get_check_source('my_obj.x'));
var elem_check = Function('I', get_check_source('my_obj[my_index]'));
var test_values = [0 , 0.5, -0.0, (1 << 30) - 1, 1 - (1 << 30)];
for (let i = 0; i != test_values.length; i = i + 1) {
let x = [test_values[i], String(test_values[i])];
for (let j = 0; j != x.length; j = j + 1) {
try
{
expect = actual = 'No Error';
let test_value = x[j];
arg_check(test_value, 0);
let_check(test_value);
var_check(test_value);
name_check(test_value);
prop_check(test_value);
elem_check(test_value);
}
catch(ex)
{
actual = ex + '';
}
reportCompare(expect, actual, summary + ': ' + i + ', ' + j);
}
}