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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// 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.prototype.setmonth
description: Type coercion of provided "date"
info: |
1. Let t be LocalTime(? thisTimeValue(this value)).
2. Let m be ? ToNumber(month).
3. If date is not specified, let dt be DateFromTime(t); otherwise, let dt be
? ToNumber(date).
4. Let newDate be MakeDate(MakeDay(YearFromTime(t), m, dt),
TimeWithinDay(t)).
5. Let u be TimeClip(UTC(newDate)).
6. Set the [[DateValue]] internal slot of this Date object to u.
7. Return u.
---*/
var date = new Date(2016, 6, 7, 11, 36, 23, 2);
var callCount = 0;
var arg = {
valueOf: function() {
args = arguments;
thisValue = this;
callCount += 1;
return 2;
}
};
var args, thisValue, returnValue;
returnValue = date.setMonth(6, arg);
assert.sameValue(callCount, 1, 'invoked exactly once');
assert.sameValue(args.length, 0, 'invoked without arguments');
assert.sameValue(thisValue, arg, '"this" value');
assert.sameValue(
returnValue,
new Date(2016, 6, 2, 11, 36, 23, 2).getTime(),
'application of specified value'
);
returnValue = date.setMonth(6, null);
assert.sameValue(
returnValue,
new Date(2016, 6, 0, 11, 36, 23, 2).getTime(),
'null'
);
returnValue = date.setMonth(6, true);
assert.sameValue(
returnValue,
new Date(2016, 6, 1, 11, 36, 23, 2).getTime(),
'true'
);
returnValue = date.setMonth(6, false);
assert.sameValue(
returnValue,
new Date(2016, 6, 0, 11, 36, 23, 2).getTime(),
'false'
);
returnValue = date.setMonth(6, ' +00200.000E-0002 ');
assert.sameValue(
returnValue,
new Date(2016, 6, 2, 11, 36, 23, 2).getTime(),
'string'
);
returnValue = date.setMonth(6, undefined);
assert.sameValue(returnValue, NaN, 'undefined');
reportCompare(0, 0);
|
