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js/src/tests/ecma_5/Array/length-truncate-nonconfigurable-sparse.js@129ffea94266 (annotated)

js/src/tests/ecma_5/Array/length-truncate-nonconfigurable-sparse.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	/*
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	var BUGNUMBER = 858381;
michael@0	10	var summary =
michael@0	11	"Array length redefinition behavior with non-configurable elements";
michael@0	12
michael@0	13	print(BUGNUMBER + ": " + summary);
michael@0	14
michael@0	15	/**************
michael@0	16	* BEGIN TEST *
michael@0	17	**************/
michael@0	18
michael@0	19	function addDataProperty(obj, prop, value, enumerable, configurable, writable)
michael@0	20	{
michael@0	21	var desc =
michael@0	22	{ enumerable: enumerable,
michael@0	23	configurable: configurable,
michael@0	24	writable: writable,
michael@0	25	value: value };
michael@0	26	Object.defineProperty(obj, prop, desc);
michael@0	27	}
michael@0	28
michael@0	29	function nonstrict()
michael@0	30	{
michael@0	31	var arr = [0, , 2, , , 5];
michael@0	32
michael@0	33	addDataProperty(arr, 31415926, "foo", true, true, true);
michael@0	34	addDataProperty(arr, 123456789, "bar", true, true, false);
michael@0	35	addDataProperty(arr, 8675309, "qux", false, true, true);
michael@0	36	addDataProperty(arr, 1735039, "eit", false, true, false);
michael@0	37	addDataProperty(arr, 987654321, "fun", false, true, false);
michael@0	38
michael@0	39	// non-array indexes to spice things up
michael@0	40	addDataProperty(arr, "foopy", "sdfsd", false, false, false);
michael@0	41	addDataProperty(arr, 4294967296, "psych", true, false, false);
michael@0	42	addDataProperty(arr, 4294967295, "psych", true, false, false);
michael@0	43
michael@0	44	addDataProperty(arr, 27182818, "eep", false, false, false);
michael@0	45
michael@0	46	// Truncate...but only as far as possible.
michael@0	47	arr.length = 1;
michael@0	48
michael@0	49	assertEq(arr.length, 27182819);
michael@0	50
michael@0	51	var props = Object.getOwnPropertyNames(arr).sort();
michael@0	52	var expected =
michael@0	53	["0", "2", "5", "1735039", "8675309", "27182818",
michael@0	54	"foopy", "4294967296", "4294967295", "length"].sort();
michael@0	55
michael@0	56	assertEq(props.length, expected.length);
michael@0	57	for (var i = 0; i < props.length; i++)
michael@0	58	assertEq(props[i], expected[i], "unexpected property: " + props[i]);
michael@0	59	}
michael@0	60	nonstrict();
michael@0	61
michael@0	62	function strict()
michael@0	63	{
michael@0	64	"use strict";
michael@0	65
michael@0	66	var arr = [0, , 2, , , 5];
michael@0	67
michael@0	68	addDataProperty(arr, 31415926, "foo", true, true, true);
michael@0	69	addDataProperty(arr, 123456789, "bar", true, true, false);
michael@0	70	addDataProperty(arr, 8675309, "qux", false, true, true);
michael@0	71	addDataProperty(arr, 1735039, "eit", false, true, false);
michael@0	72	addDataProperty(arr, 987654321, "fun", false, true, false);
michael@0	73
michael@0	74	// non-array indexes to spice things up
michael@0	75	addDataProperty(arr, "foopy", "sdfsd", false, false, false);
michael@0	76	addDataProperty(arr, 4294967296, "psych", true, false, false);
michael@0	77	addDataProperty(arr, 4294967295, "psych", true, false, false);
michael@0	78
michael@0	79	addDataProperty(arr, 27182818, "eep", false, false, false);
michael@0	80
michael@0	81	try
michael@0	82	{
michael@0	83	arr.length = 1;
michael@0	84	throw new Error("didn't throw?!");
michael@0	85	}
michael@0	86	catch (e)
michael@0	87	{
michael@0	88	assertEq(e instanceof TypeError, true,
michael@0	89	"non-configurable property should trigger TypeError, got " + e);
michael@0	90	}
michael@0	91
michael@0	92	assertEq(arr.length, 27182819);
michael@0	93
michael@0	94	var props = Object.getOwnPropertyNames(arr).sort();
michael@0	95	var expected =
michael@0	96	["0", "2", "5", "1735039", "8675309", "27182818",
michael@0	97	"foopy", "4294967296", "4294967295", "length"].sort();
michael@0	98
michael@0	99	assertEq(props.length, expected.length);
michael@0	100	for (var i = 0; i < props.length; i++)
michael@0	101	assertEq(props[i], expected[i], "unexpected property: " + props[i]);
michael@0	102	}
michael@0	103	strict();
michael@0	104
michael@0	105	/******************************************************************************/
michael@0	106
michael@0	107	if (typeof reportCompare === "function")
michael@0	108	reportCompare(true, true);
michael@0	109
michael@0	110	print("Tests complete");