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
|
// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.push
description: >
A value is inserted in an array-like object whose length property is near the integer limit.
Unsuccessful [[Set]] raises a TypeError.
info: |
Array.prototype.push ( ...items )
[...]
2. Let len be ? LengthOfArrayLike(O).
[...]
4. Let argCount be the number of elements in items.
[...]
6. Repeat, while items is not empty,
a. Remove the first element from items and let E be the value of the element.
b. Perform ? Set(O, ! ToString(len), E, true).
c. Set len to len + 1.
[...]
OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc )
[...]
3. If IsDataDescriptor(ownDesc) is true, then
a. If ownDesc.[[Writable]] is false, return false.
---*/
var arrayLike = {
length: Number.MAX_SAFE_INTEGER - 3,
};
Object.defineProperty(arrayLike, Number.MAX_SAFE_INTEGER - 1, {
value: 33,
writable: false,
enumerable: true,
configurable: true,
});
assert.throws(TypeError, function() {
Array.prototype.push.call(arrayLike, 1, 2, 3);
});
assert.sameValue(arrayLike[Number.MAX_SAFE_INTEGER - 3], 1);
assert.sameValue(arrayLike[Number.MAX_SAFE_INTEGER - 2], 2);
assert.sameValue(arrayLike[Number.MAX_SAFE_INTEGER - 1], 33);
reportCompare(0, 0);
|
