[apple/javascriptcore.git] / tests / stress / arguments-bizarre-behaviour-disable-enumerability.js

function foo(x) {
    Object.defineProperty(arguments, 0, {configurable: true, enumerable: false, writable:true, value:42});
    return [x, arguments[0], arguments]
}

var result = foo(1);

if (result[0] !== 42)
    throw new Error();

if (result[1] !== 42)
    throw new Error();

if (Array.prototype.join.call(result[2], ",") != "42")
    throw new Error();

var array = [];
for (var s in result[2])
    array.push(s);

if (array.join(",") != "0")
    throw new Error();

if (Object.keys(result[2]).join(",") != "0")
    throw new Error();

// FIXME: This is totally weird!
// https://bugs.webkit.org/show_bug.cgi?id=141952
if (Object.getOwnPropertyDescriptor(result[2], 0).enumerable !== true)
    throw new Error();
Commit	Line	Data
ed1e77d3 A	1	function foo(x) {
	2	Object.defineProperty(arguments, 0, {configurable: true, enumerable: false, writable:true, value:42});
	3	return [x, arguments[0], arguments]
	4	}
	5
	6	var result = foo(1);
	7
	8	if (result[0] !== 42)
	9	throw new Error();
	10
	11	if (result[1] !== 42)
	12	throw new Error();
	13
	14	if (Array.prototype.join.call(result[2], ",") != "42")
	15	throw new Error();
	16
	17	var array = [];
	18	for (var s in result[2])
	19	array.push(s);
	20
	21	if (array.join(",") != "0")
	22	throw new Error();
	23
	24	if (Object.keys(result[2]).join(",") != "0")
	25	throw new Error();
	26
	27	// FIXME: This is totally weird!
	28	// https://bugs.webkit.org/show_bug.cgi?id=141952
	29	if (Object.getOwnPropertyDescriptor(result[2], 0).enumerable !== true)
	30	throw new Error();