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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
let Array_unscopables = Array.prototype[Symbol.unscopables];
let desc = Reflect.getOwnPropertyDescriptor(Array.prototype, Symbol.unscopables);
assertDeepEq(desc, {
value: Array_unscopables,
writable: false,
enumerable: false,
configurable: true
});
assertEq(Reflect.getPrototypeOf(Array_unscopables), null);
let desc2 = Object.getOwnPropertyDescriptor(Array_unscopables, "values");
assertDeepEq(desc2, {
value: true,
writable: true,
enumerable: true,
configurable: true
});
let keys = Reflect.ownKeys(Array_unscopables);
print(uneval(keys));
assertDeepEq(keys, [
"copyWithin",
"entries",
"fill",
"find",
"findIndex",
"flat",
"flatMap",
"includes",
"keys",
"values"
]);
for (let key of keys)
assertEq(Array_unscopables[key], true);
// Test that it actually works
assertThrowsInstanceOf(() => {
with ([]) {
return entries;
}
}, ReferenceError);
{
let fill = 33;
with (Array.prototype) {
assertEq(fill, 33);
}
}
reportCompare(0, 0);
|
