1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// Return a new descriptor object that agrees with that returned by the trap
var target = {};
Object.defineProperty(target, 'foo', {
value: 'bar',
writable: true,
enumerable: false,
configurable: true
});
var desc = {
value: 'baz',
writable: false,
enumerable: true,
configurable: true
};
var handler = { getOwnPropertyDescriptor: function () { return desc; } };
for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {
var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');
assertEq(desc1 == desc, false);
assertEq(desc1.value, 'baz');
assertEq(desc1.writable, false);
assertEq(desc1.enumerable, true);
assertEq(desc1.configurable, true);
}
// The returned descriptor must agree in configurability.
desc = { configurable : true };
for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {
var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');
assertEq(desc1 == desc, false);
assertEq(desc1.value, undefined);
assertEq(desc1.writable, false);
assertEq(desc1.enumerable, false);
assertEq(desc1.configurable, true);
}
|