blob: c02e1050249a889a156746fa3e0c3aef9a9d0b26 (
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
|
// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-isfinite-number
description: >
Throws a TypeError if the result of calling number.@@toPrimitive is a symbol
info: |
isFinite (number)
1. Let num be ? ToNumber(number).
ToNumber ( argument )
1. Let primValue be ? ToPrimitive(argument, hint Number).
2. Return ? ToNumber(primValue).
ToPrimitive ( input [ , PreferredType ] )
[...]
4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
5. If exoticToPrim is not undefined, then
a. Let result be ? Call(exoticToPrim, input, « hint »).
b. If Type(result) is not Object, return result.
features: [Symbol.toPrimitive]
---*/
var obj = {};
obj[Symbol.toPrimitive] = function() {
return Symbol.toPrimitive;
};
assert.throws(TypeError, function() {
isFinite(obj);
});
reportCompare(0, 0);
|