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js/src/tests/ecma_5/JSON/cyclic-stringify.js@129ffea94266 (annotated)

js/src/tests/ecma_5/JSON/cyclic-stringify.js

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	// Any copyright is dedicated to the Public Domain.
michael@0	2	// http://creativecommons.org/licenses/publicdomain/
michael@0	3
michael@0	4	//-----------------------------------------------------------------------------
michael@0	5	var BUGNUMBER = 578273;
michael@0	6	var summary =
michael@0	7	"ES5: Properly detect cycles in JSON.stringify (throw TypeError, check for " +
michael@0	8	"cycles rather than imprecisely rely on recursion limits)";
michael@0	9
michael@0	10	print(BUGNUMBER + ": " + summary);
michael@0	11
michael@0	12	/**************
michael@0	13	* BEGIN TEST *
michael@0	14	**************/
michael@0	15
michael@0	16	// objects
michael@0	17
michael@0	18	var count = 0;
michael@0	19	var desc =
michael@0	20	{
michael@0	21	get: function() { count++; return obj; },
michael@0	22	enumerable: true,
michael@0	23	configurable: true
michael@0	24	};
michael@0	25	var obj = Object.defineProperty({ p1: 0 }, "p2", desc);
michael@0	26
michael@0	27	try
michael@0	28	{
michael@0	29	var str = JSON.stringify(obj);
michael@0	30	assertEq(false, true, "should have thrown, got " + str);
michael@0	31	}
michael@0	32	catch (e)
michael@0	33	{
michael@0	34	assertEq(e instanceof TypeError, true,
michael@0	35	"wrong error type: " + e.constructor.name);
michael@0	36	assertEq(count, 1,
michael@0	37	"cyclic data structures not detected immediately");
michael@0	38	}
michael@0	39
michael@0	40	count = 0;
michael@0	41	var obj2 = Object.defineProperty({}, "obj", desc);
michael@0	42	try
michael@0	43	{
michael@0	44	var str = JSON.stringify(obj2);
michael@0	45	assertEq(false, true, "should have thrown, got " + str);
michael@0	46	}
michael@0	47	catch (e)
michael@0	48	{
michael@0	49	assertEq(e instanceof TypeError, true,
michael@0	50	"wrong error type: " + e.constructor.name);
michael@0	51	assertEq(count, 2,
michael@0	52	"cyclic data structures not detected immediately");
michael@0	53	}
michael@0	54
michael@0	55
michael@0	56	// arrays
michael@0	57
michael@0	58	var count = 0;
michael@0	59	var desc =
michael@0	60	{
michael@0	61	get: function() { count++; return arr; },
michael@0	62	enumerable: true,
michael@0	63	configurable: true
michael@0	64	};
michael@0	65	var arr = Object.defineProperty([], "0", desc);
michael@0	66
michael@0	67	try
michael@0	68	{
michael@0	69	var str = JSON.stringify(arr);
michael@0	70	assertEq(false, true, "should have thrown, got " + str);
michael@0	71	}
michael@0	72	catch (e)
michael@0	73	{
michael@0	74	assertEq(e instanceof TypeError, true,
michael@0	75	"wrong error type: " + e.constructor.name);
michael@0	76	assertEq(count, 1,
michael@0	77	"cyclic data structures not detected immediately");
michael@0	78	}
michael@0	79
michael@0	80	count = 0;
michael@0	81	var arr2 = Object.defineProperty([], "0", desc);
michael@0	82	try
michael@0	83	{
michael@0	84	var str = JSON.stringify(arr2);
michael@0	85	assertEq(false, true, "should have thrown, got " + str);
michael@0	86	}
michael@0	87	catch (e)
michael@0	88	{
michael@0	89	assertEq(e instanceof TypeError, true,
michael@0	90	"wrong error type: " + e.constructor.name);
michael@0	91	assertEq(count, 2,
michael@0	92	"cyclic data structures not detected immediately");
michael@0	93	}
michael@0	94
michael@0	95	/******************************************************************************/
michael@0	96
michael@0	97	if (typeof reportCompare === "function")
michael@0	98	reportCompare(true, true);
michael@0	99
michael@0	100	print("Tests complete");