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load(libdir + "asserts.js");
/*
* Throw a TypeError if the enumerable fields of the current descriptor and the
* descriptor returned by the trap are the boolean negation of each other
*/
var target = {};
Object.defineProperty(target, 'foo', {
configurable: false,
enumerable: true
});
var caught = false;
assertThrowsInstanceOf(function () {
Object.getOwnPropertyDescriptor(new Proxy(target, {
getOwnPropertyDescriptor: function (target, name) {
return {
configurable: false,
enumerable: false
};
}
}), 'foo');
}, TypeError);
var target = {};
Object.defineProperty(target, 'foo', {
configurable: false,
enumerable: false
});
var caught = false;
assertThrowsInstanceOf(function () {
Object.getOwnPropertyDescriptor(new Proxy(target, {
getOwnPropertyDescriptor: function (target, name) {
return {
configurable: false,
enumerable: true
};
}
}), 'foo');
}, TypeError);
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