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js/src/tests/ecma_5/Array/join-01.js@6474c204b198 (annotated)

js/src/tests/ecma_5/Array/join-01.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	/*
michael@0	2	* Any copyright is dedicated to the Public Domain.
michael@0	3	* http://creativecommons.org/licenses/publicdomain/
michael@0	4	* Contributor:
michael@0	5	* Jeff Walden <jwalden+code@mit.edu>
michael@0	6	*/
michael@0	7
michael@0	8	//-----------------------------------------------------------------------------
michael@0	9	print("ES5: Array.prototype.join");
michael@0	10
michael@0	11	/**************
michael@0	12	* BEGIN TEST *
michael@0	13	**************/
michael@0	14
michael@0	15	var count;
michael@0	16	var stringifyCounter = { toString: function() { count++; return "obj"; } };
michael@0	17
michael@0	18	var arr = [1, 2, 3, 4, 5];
michael@0	19	assertEq(arr.join(), "1,2,3,4,5");
michael@0	20	assertEq(arr.join(","), "1,2,3,4,5");
michael@0	21	assertEq(arr.join(undefined), "1,2,3,4,5");
michael@0	22	assertEq(arr.join(4), "142434445");
michael@0	23	assertEq(arr.join(""), "12345");
michael@0	24
michael@0	25	count = 0;
michael@0	26	assertEq(arr.join(stringifyCounter), "1obj2obj3obj4obj5");
michael@0	27	assertEq(count, 1);
michael@0	28
michael@0	29	var holey = [1, 2, , 4, 5];
michael@0	30	assertEq(holey.join(), "1,2,,4,5");
michael@0	31	assertEq(holey.join(","), "1,2,,4,5");
michael@0	32	assertEq(holey.join(undefined), "1,2,,4,5");
michael@0	33	assertEq(holey.join(4), "14244445");
michael@0	34
michael@0	35	count = 0;
michael@0	36	assertEq(holey.join(stringifyCounter), "1obj2objobj4obj5");
michael@0	37	assertEq(count, 1);
michael@0	38
michael@0	39	var nully = [1, 2, 3, null, 5];
michael@0	40	assertEq(nully.join(), "1,2,3,,5");
michael@0	41	assertEq(nully.join(","), "1,2,3,,5");
michael@0	42	assertEq(nully.join(undefined), "1,2,3,,5");
michael@0	43	assertEq(nully.join(4), "14243445");
michael@0	44
michael@0	45	count = 0;
michael@0	46	assertEq(nully.join(stringifyCounter), "1obj2obj3objobj5");
michael@0	47	assertEq(count, 1);
michael@0	48
michael@0	49	var undefiney = [1, undefined, 3, 4, 5];
michael@0	50	assertEq(undefiney.join(), "1,,3,4,5");
michael@0	51	assertEq(undefiney.join(","), "1,,3,4,5");
michael@0	52	assertEq(undefiney.join(undefined), "1,,3,4,5");
michael@0	53	assertEq(undefiney.join(4), "14434445");
michael@0	54
michael@0	55	count = 0;
michael@0	56	assertEq(undefiney.join(stringifyCounter), "1objobj3obj4obj5");
michael@0	57	assertEq(count, 1);
michael@0	58
michael@0	59	var log = '';
michael@0	60	arr = {length: {valueOf: function () { log += "L"; return 2; }},
michael@0	61	0: "x", 1: "z"};
michael@0	62	var sep = {toString: function () { log += "S"; return "y"; }};
michael@0	63	assertEq(Array.prototype.join.call(arr, sep), "xyz");
michael@0	64	assertEq(log, "LS");
michael@0	65
michael@0	66	var funky =
michael@0	67	{
michael@0	68	toString: function()
michael@0	69	{
michael@0	70	Array.prototype[1] = "chorp";
michael@0	71	Object.prototype[3] = "fnord";
michael@0	72	return "funky";
michael@0	73	}
michael@0	74	};
michael@0	75	var trailingHoles = [0, funky, /* 2 */, /* 3 */,];
michael@0	76	assertEq(trailingHoles.join(""), "0funkyfnord");
michael@0	77
michael@0	78	/******************************************************************************/
michael@0	79
michael@0	80	if (typeof reportCompare === "function")
michael@0	81	reportCompare(true, true);
michael@0	82
michael@0	83	print("Tests complete");