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js/src/tests/js1_5/Regress/regress-192414.js@6474c204b198 (annotated)

js/src/tests/js1_5/Regress/regress-192414.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	/*
michael@0	7	*
michael@0	8	* Date: 08 February 2003
michael@0	9	* SUMMARY: Parser recursion should check stack overflow
michael@0	10	*
michael@0	11	* See http://bugzilla.mozilla.org/show_bug.cgi?id=192414
michael@0	12	*
michael@0	13	*/
michael@0	14	//-----------------------------------------------------------------------------
michael@0	15	var UBound = 0;
michael@0	16	var BUGNUMBER = 192414;
michael@0	17	var summary = 'Parser recursion should check stack overflow';
michael@0	18	var status = '';
michael@0	19	var statusitems = [];
michael@0	20	var actual = '';
michael@0	21	var actualvalues = [];
michael@0	22	var expect= '';
michael@0	23	var expectedvalues = [];
michael@0	24
michael@0	25	/*
michael@0	26	* We will form an eval string to set the result-variable |actual|.
michael@0	27	* To get a feel for this, suppose N were 3. Then the eval string is
michael@0	28	* 'actual = (1&(1&(1&1)));' The expected value after eval() is 1.
michael@0	29	*/
michael@0	30	status = inSection(1);
michael@0	31	var N = 10000;
michael@0	32	var left = repeat_str('(1&', N);
michael@0	33	var right = repeat_str(')', N);
michael@0	34	var str = 'actual = '.concat(left, '1', right, ';');
michael@0	35	try
michael@0	36	{
michael@0	37	eval(str);
michael@0	38	}
michael@0	39	catch (e)
michael@0	40	{
michael@0	41	/*
michael@0	42	* An exception during this eval is OK, as the runtime can throw one
michael@0	43	* in response to too deep recursion. We haven't crashed; good!
michael@0	44	*/
michael@0	45	actual = 1;
michael@0	46	}
michael@0	47	expect = 1;
michael@0	48	addThis();
michael@0	49
michael@0	50
michael@0	51
michael@0	52	//-----------------------------------------------------------------------------
michael@0	53	test();
michael@0	54	//-----------------------------------------------------------------------------
michael@0	55
michael@0	56
michael@0	57
michael@0	58	function repeat_str(str, repeat_count)
michael@0	59	{
michael@0	60	var arr = new Array(--repeat_count);
michael@0	61	while (repeat_count != 0)
michael@0	62	arr[--repeat_count] = str;
michael@0	63	return str.concat.apply(str, arr);
michael@0	64	}
michael@0	65
michael@0	66
michael@0	67	function addThis()
michael@0	68	{
michael@0	69	statusitems[UBound] = status;
michael@0	70	actualvalues[UBound] = actual;
michael@0	71	expectedvalues[UBound] = expect;
michael@0	72	UBound++;
michael@0	73	}
michael@0	74
michael@0	75
michael@0	76	function test()
michael@0	77	{
michael@0	78	enterFunc('test');
michael@0	79	printBugNumber(BUGNUMBER);
michael@0	80	printStatus(summary);
michael@0	81
michael@0	82	for (var i=0; i<UBound; i++)
michael@0	83	{
michael@0	84	reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0	85	}
michael@0	86
michael@0	87	exitFunc ('test');
michael@0	88	}