blob: 38384ec1b1885915eda0ddd86736f245912b0245 (
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
|
// Copyright (C) 2021 Kevin Gibbons. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.setmilliseconds
description: Order of coercion of provided argument vs NaN check
info: |
1. Let t be ? thisTimeValue(this value).
2. Set ms to ? ToNumber(ms).
3. If t is NaN, return NaN.
4. Set t to LocalTime(t).
5. Let time be MakeTime(HourFromTime(t), MinFromTime(t), SecFromTime(t), ms).
6. Let u be TimeClip(UTC(MakeDate(Day(t), time))).
7. Set the [[DateValue]] internal slot of this Date object to u.
8. Return u.
---*/
var date = new Date(NaN);
var callCount = 0;
var arg = {
valueOf: function() {
callCount += 1;
return 0;
}
};
var returnValue = date.setMilliseconds(arg);
assert.sameValue(callCount, 1, 'ToNumber invoked exactly once');
assert.sameValue(returnValue, NaN, 'argument is ignored when `this` is an invalid date');
assert.sameValue(date.getTime(), NaN, 'argument is ignored when `this` is an invalid date');
reportCompare(0, 0);
|
