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
78
79
80
81
82
83
|
<!DOCTYPE HTML>
<html>
<head>
<title>valueAsDate stepping</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<p>
<h3>input_valueAsDate_stepping</h3>
<!-- This test verifies that valueAsDate reads and writes Date values,
that those values step by the correct default step, and that the values
represent the correct times.
-->
</p>
<hr>
<div id="log"></div>
<form method="post"
enctype="application/x-www-form-urlencoded"
action=""
name="input_form">
<p><input type='date' id='input_date'></p>
<p><input type='time' id='input_time'></p>
<p><input type='week' id='input_week'></p>
<p><input type='month' id='input_month'></p>
</form>
<script>
function test_stepping(inputType, stringValue, steppedString, baseMillis, stepAmount) {
test(function() {
// put date in, constructed from a UTC timestamp so the test doesn't
// vary by local timezone
input = document.getElementById("input_" + inputType);
input.valueAsDate = new Date(baseMillis)
// get string out (using startsWith here to allow for optional
// seconds and milliseconds)
var sanitizedStr = input.value;
assert_true(sanitizedStr.startsWith(stringValue),
"The input value [" + sanitizedStr + "] must resemble [" + stringValue + "]");
// get date out
var sanitized = input.valueAsDate;
assert_equals(sanitized.getTime(), baseMillis, "The input valueAsDate must represent the same time as the original Date.")
// step up, get new date out
input.stepUp()
var steppedDate = input.valueAsDate;
assert_equals(steppedDate.getTime(), baseMillis + stepAmount, "Stepping must be by the correct amount")
// get new string out
var steppedStrOut = input.value;
assert_true(steppedStrOut.startsWith(steppedString),
"The changed input value [" + steppedStrOut + "] must resemble ["+steppedString+"]");
// step back down, get first date out again
input.stepDown()
var backDown = input.valueAsDate;
assert_equals(backDown.getTime(), baseMillis, "Stepping back down must return the date to its original value");
}, inputType + " should step correctly");
}
var millis_per_day = 24 * 60 * 60 * 1000;
// jan 1 midnight, step 1 day to jan 2
test_stepping("date", "1970-01-01", "1970-01-02", 0, millis_per_day);
// jan 1 midnight, step 1 minute to 00:01:00
test_stepping("time", "00:00", "00:01", 0, 60 * 1000);
// jan 1 midnight, step 31 days to feb 1
test_stepping("month", "1970-01", "1970-02", 0, 31 * millis_per_day);
// monday jan 5 1970 midnight, step 7 days to jan 12
// (this has to start on a monday for stepping up and down to return)
test_stepping("week", "1970-W02", "1970-W03", 4 * millis_per_day, 7 * millis_per_day);
</script>
</body>
</html>
|
