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js/src/tests/ecma_5/JSON/stringify-replacer.js@6474c204b198 (annotated)

js/src/tests/ecma_5/JSON/stringify-replacer.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	// Ported from dom/src/json/test/unit/test_replacer.js
michael@0	2
michael@0	3	/**
michael@0	4	* These return* functions are used by the
michael@0	5	* replacer tests taken from bug 512447
michael@0	6	*/
michael@0	7	function returnObjectFor1(k, v)
michael@0	8	{
michael@0	9	if (k == "1")
michael@0	10	return {};
michael@0	11	return v;
michael@0	12	}
michael@0	13	function returnArrayFor1(k, v)
michael@0	14	{
michael@0	15	if (k == "1")
michael@0	16	return [];
michael@0	17	return v;
michael@0	18	}
michael@0	19	function returnNullFor1(k, v)
michael@0	20	{
michael@0	21	if (k == "1")
michael@0	22	return null;
michael@0	23	return v;
michael@0	24	}
michael@0	25	function returnStringForUndefined(k, v)
michael@0	26	{
michael@0	27	if (v === undefined)
michael@0	28	return "undefined value";
michael@0	29	return v;
michael@0	30	}
michael@0	31	var cycleObject = {}; cycleObject.cycle = cycleObject;
michael@0	32	function returnCycleObjectFor1(k, v)
michael@0	33	{
michael@0	34	if (k == "1")
michael@0	35	return cycleObject;
michael@0	36	return v;
michael@0	37	}
michael@0	38	var array = [0, 1, 2]; array[3] = array;
michael@0	39	function returnCycleArrayFor1(k, v)
michael@0	40	{
michael@0	41	if (k == "1")
michael@0	42	return array;
michael@0	43	return v;
michael@0	44	}
michael@0	45
michael@0	46	// BEGIN TEST
michael@0	47	var x;
michael@0	48
michael@0	49	x = JSON.stringify({ key: 2 },
michael@0	50	function(k,v) { return k ? undefined : v; });
michael@0	51	assertEq(x, "{}");
michael@0	52
michael@0	53	x = JSON.stringify(["hmm", "hmm"],
michael@0	54	function(k,v) { return k !== "" ? undefined : v; });
michael@0	55	assertEq(x, "[null,null]");
michael@0	56
michael@0	57	var foo = ["hmm"];
michael@0	58	function censor(k, v)
michael@0	59	{
michael@0	60	if (v !== foo)
michael@0	61	return "XXX";
michael@0	62	return v;
michael@0	63	}
michael@0	64	x = JSON.stringify(foo, censor);
michael@0	65	assertEq(x, '["XXX"]');
michael@0	66
michael@0	67	foo = ["bar", ["baz"], "qux"];
michael@0	68	x = JSON.stringify(foo, censor);
michael@0	69	assertEq(x, '["XXX","XXX","XXX"]');
michael@0	70
michael@0	71	function censor2(k, v)
michael@0	72	{
michael@0	73	if (typeof(v) == "string")
michael@0	74	return "XXX";
michael@0	75	return v;
michael@0	76	}
michael@0	77
michael@0	78	foo = ["bar", ["baz"], "qux"];
michael@0	79	x = JSON.stringify(foo, censor2);
michael@0	80	assertEq(x, '["XXX",["XXX"],"XXX"]');
michael@0	81
michael@0	82	foo = { bar: 42, qux: 42, quux: 42 };
michael@0	83	x = JSON.stringify(foo, ["bar"]);
michael@0	84	assertEq(x, '{"bar":42}');
michael@0	85
michael@0	86	foo = {bar: {bar: 42, schmoo:[]}, qux: 42, quux: 42};
michael@0	87	x = JSON.stringify(foo, ["bar", "schmoo"]);
michael@0	88	assertEq(x, '{"bar":{"bar":42,"schmoo":[]}}');
michael@0	89
michael@0	90	x = JSON.stringify(foo, null, "");
michael@0	91	assertEq(x, '{"bar":{"bar":42,"schmoo":[]},"qux":42,"quux":42}');
michael@0	92
michael@0	93	x = JSON.stringify(foo, null, " ");
michael@0	94	assertEq(x, '{\n "bar": {\n "bar": 42,\n "schmoo": []\n },\n "qux": 42,\n "quux": 42\n}');
michael@0	95
michael@0	96	foo = {bar:{bar:{}}}
michael@0	97	x = JSON.stringify(foo, null, " ");
michael@0	98	assertEq(x, '{\n "bar": {\n "bar": {}\n }\n}');
michael@0	99
michael@0	100	x = JSON.stringify({ x: 1, arr: [1] },
michael@0	101	function (k,v) { return typeof v === 'number' ? 3 : v; });
michael@0	102	assertEq(x, '{"x":3,"arr":[3]}');
michael@0	103
michael@0	104	foo = ['e'];
michael@0	105	x = JSON.stringify(foo, null, '\t');
michael@0	106	assertEq(x, '[\n\t"e"\n]');
michael@0	107
michael@0	108	foo = {0:0, 1:1, 2:2, 3:undefined};
michael@0	109	x = JSON.stringify(foo, returnObjectFor1);
michael@0	110	assertEq(x, '{"0":0,"1":{},"2":2}');
michael@0	111
michael@0	112	x = JSON.stringify(foo, returnArrayFor1);
michael@0	113	assertEq(x, '{"0":0,"1":[],"2":2}');
michael@0	114
michael@0	115	x = JSON.stringify(foo, returnNullFor1);
michael@0	116	assertEq(x, '{"0":0,"1":null,"2":2}');
michael@0	117
michael@0	118	x = JSON.stringify(foo, returnStringForUndefined);
michael@0	119	assertEq(x, '{"0":0,"1":1,"2":2,"3":"undefined value"}');
michael@0	120
michael@0	121	try
michael@0	122	{
michael@0	123	JSON.stringify(foo, returnCycleObjectFor1);
michael@0	124	throw new Error("no error thrown");
michael@0	125	}
michael@0	126	catch (e)
michael@0	127	{
michael@0	128	assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0	129	}
michael@0	130
michael@0	131	try
michael@0	132	{
michael@0	133	JSON.stringify(foo, returnCycleArrayFor1);
michael@0	134	throw new Error("no error thrown");
michael@0	135	}
michael@0	136	catch (e)
michael@0	137	{
michael@0	138	assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0	139	}
michael@0	140
michael@0	141	foo = [0, 1, 2, undefined];
michael@0	142	try
michael@0	143	{
michael@0	144	JSON.stringify(foo, returnCycleObjectFor1);
michael@0	145	throw new Error("no error thrown");
michael@0	146	}
michael@0	147	catch (e)
michael@0	148	{
michael@0	149	assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0	150	}
michael@0	151
michael@0	152	/******************************************************************************/
michael@0	153
michael@0	154	if (typeof reportCompare === "function")
michael@0	155	reportCompare(true, true);
michael@0	156
michael@0	157	print("Tests complete");