[apple/javascriptcore.git] / tests / stress / symbol-seal-and-freeze.js

// This tests Object.seal and Object.freeze affect on Symbol properties.

var object = {
    [Symbol.iterator]: 42
};

if (!object.hasOwnProperty(Symbol.iterator))
    throw "Error: object doesn't have Symbol.iterator";
if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":true}')
    throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
if (Object.getOwnPropertySymbols(object).length !== 1)
    throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;
if (Object.getOwnPropertySymbols(object)[0] !== Symbol.iterator)
    throw "Error: bad value " + String(Object.getOwnPropertySymbols(object)[0]);

Object.seal(object);
if (!object.hasOwnProperty(Symbol.iterator))
    throw "Error: object doesn't have Symbol.iterator";
if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":false}')
    throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));

Object.freeze(object);
if (!object.hasOwnProperty(Symbol.iterator))
    throw "Error: object doesn't have Symbol.iterator";
if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":false,"enumerable":true,"configurable":false}')
    throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
Commit	Line	Data
ed1e77d3 A	1	// This tests Object.seal and Object.freeze affect on Symbol properties.
	2
	3	var object = {
	4	[Symbol.iterator]: 42
	5	};
	6
	7	if (!object.hasOwnProperty(Symbol.iterator))
	8	throw "Error: object doesn't have Symbol.iterator";
	9	if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":true}')
	10	throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
	11	if (Object.getOwnPropertySymbols(object).length !== 1)
	12	throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;
	13	if (Object.getOwnPropertySymbols(object)[0] !== Symbol.iterator)
	14	throw "Error: bad value " + String(Object.getOwnPropertySymbols(object)[0]);
	15
	16	Object.seal(object);
	17	if (!object.hasOwnProperty(Symbol.iterator))
	18	throw "Error: object doesn't have Symbol.iterator";
	19	if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":false}')
	20	throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
	21
	22	Object.freeze(object);
	23	if (!object.hasOwnProperty(Symbol.iterator))
	24	throw "Error: object doesn't have Symbol.iterator";
	25	if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":false,"enumerable":true,"configurable":false}')
	26	throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));