blob: de2cf4367b8575c008b51d3d065d6c7709fecd4f (
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
41
42
43
44
45
46
|
// 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-date-value
description: >
Behavior when coercion via `Symbol.toPrimitive` yields a primitive value
info: |
[...]
3. If NewTarget is not undefined, then
a. If Type(value) is Object and value has a [[DateValue]] internal slot,
then
[...]
b. Else,
i. Let v be ? ToPrimitive(value).
ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] )
[...]
4. Let exoticToPrim be GetMethod(input, @@toPrimitive).
5. ReturnIfAbrupt(exoticToPrim).
6. If exoticToPrim is not undefined, then
a. Let result be Call(exoticToPrim, input, «hint»).
b. ReturnIfAbrupt(result).
c. If Type(result) is not Object, return result.
features: [Symbol.toPrimitive]
---*/
var y = {};
var retVal;
y[Symbol.toPrimitive] = function() {
return retVal;
};
retVal = 1234;
assert.sameValue(new Date(y).valueOf(), 1234);
retVal = '2016-06-03T19:03:52.872Z';
assert.sameValue(new Date(y).valueOf(), 1464980632872);
retVal = Symbol.toPrimitive;
assert.throws(TypeError, function() {
new Date(y);
});
reportCompare(0, 0);
|
