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* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
27 lines
1.5 KiB
JavaScript
27 lines
1.5 KiB
JavaScript
// This tests Object.seal and Object.freeze affect on Symbol properties.
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var object = {
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[Symbol.iterator]: 42
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};
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if (!object.hasOwnProperty(Symbol.iterator))
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throw "Error: object doesn't have Symbol.iterator";
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if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":true}')
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throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
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if (Object.getOwnPropertySymbols(object).length !== 1)
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throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;
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if (Object.getOwnPropertySymbols(object)[0] !== Symbol.iterator)
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throw "Error: bad value " + String(Object.getOwnPropertySymbols(object)[0]);
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Object.seal(object);
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if (!object.hasOwnProperty(Symbol.iterator))
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throw "Error: object doesn't have Symbol.iterator";
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if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":true,"enumerable":true,"configurable":false}')
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throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
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Object.freeze(object);
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if (!object.hasOwnProperty(Symbol.iterator))
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throw "Error: object doesn't have Symbol.iterator";
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if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":false,"enumerable":true,"configurable":false}')
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throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
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