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// Return the names returned by the trap
var target = {};
Object.defineProperty(target, 'foo', {
configurable: true
});
var handler = { ownKeys: () => [ 'bar' ] };
for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {
var names = Object.getOwnPropertyNames(p);
assertEq(names.length, 1);
assertEq(names[0], 'bar');
}
var protoWithAB = Object.create(null, {
a: {
enumerable: true,
configurable: true
},
b: {
enumerable: false,
configurable: true
}
});
var objWithCD = Object.create(protoWithAB, {
c: {
enumerable: true,
configurable: true
},
d: {
enumerable: true,
configurable: true
}
});
handler = { ownKeys: () => [ 'c', 'e' ] };
for (let p of [new Proxy(objWithCD, handler), Proxy.revocable(objWithCD, handler).proxy]) {
var names = Object.getOwnPropertyNames(p);
assertEq(names.length, 2);
assertEq(names[0], 'c');
assertEq(names[1], 'e');
}