blob: cae05d72bdaddd0294e3d8b8bb04c4253205b015 (
plain)
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
|
// Copyright (C) 2017 Robin Templeton. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: BigInt throws a RangeError if value is not a safe integer.
esid: sec-bigint-constructor
info: |
BigInt ( value )
...
2. Let prim be ? ToPrimitive(value, hint Number).
3. If Type(prim) is Number, return ? NumberToBigInt(prim).
...
NumberToBigInt ( number )
...
2. If IsSafeInteger(number) is false, throw a RangeError exception.
...
IsSafeInteger ( number )
...
3. Let integer be ToInteger(number).
4. If integer is not equal to number, return false.
5. If abs(integer) ≤ 2**53-1, return true.
6. Otherwise, return false.
features: [BigInt]
---*/
var pos = Math.pow(2, 53);
var neg = -pos;
assert.throws(RangeError, function() {
BigInt(pos);
});
assert.throws(RangeError, function() {
BigInt(neg);
});
|
