1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
*
* Date: 08 February 2003
* SUMMARY: Parser recursion should check stack overflow
*
* See http://bugzilla.mozilla.org/show_bug.cgi?id=192414
*
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var BUGNUMBER = 192414;
var summary = 'Parser recursion should check stack overflow';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];
/*
* We will form an eval string to set the result-variable |actual|.
* To get a feel for this, suppose N were 3. Then the eval string is
* 'actual = (1&(1&(1&1)));' The expected value after eval() is 1.
*/
status = inSection(1);
var N = 10000;
var left = repeat_str('(1&', N);
var right = repeat_str(')', N);
var str = 'actual = '.concat(left, '1', right, ';');
try
{
eval(str);
}
catch (e)
{
/*
* An exception during this eval is OK, as the runtime can throw one
* in response to too deep recursion. We haven't crashed; good!
*/
actual = 1;
}
expect = 1;
addThis();
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function repeat_str(str, repeat_count)
{
var arr = new Array(--repeat_count);
while (repeat_count != 0)
arr[--repeat_count] = str;
return str.concat.apply(str, arr);
}
function addThis()
{
statusitems[UBound] = status;
actualvalues[UBound] = actual;
expectedvalues[UBound] = expect;
UBound++;
}
function test()
{
printBugNumber(BUGNUMBER);
printStatus(summary);
for (var i=0; i<UBound; i++)
{
reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
}
}
|
