blob: 440b1f413e2300e4b87ae75f494671acbef02ce1 (
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
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
|
<!DOCTYPE html>
<meta charset="utf-8">
<title>ScrollTimeline current time algorithm - NaN cases</title>
<link rel="help" href="https://wicg.github.io/scroll-animations/#current-time-algorithm">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.scroller {
height: 100px;
width: 100px;
overflow: auto;
}
.content {
height: 500px;
width: 500px;
}
</style>
<div id='inlineScroller' class='scroller' style='display: inline;'>
<div class='content'></div>
</div>
<script>
'use strict';
test(function() {
const scroller = document.querySelector('#inlineScroller');
const scrollTimeline = new ScrollTimeline(
{ source: scroller, orientation: 'block' });
assert_equals(scrollTimeline.currentTime, null);
}, 'currentTime should be null for a display: inline source');
</script>
<div id='displayNoneScroller' class='scroller' style='display: none;'>
<div class='content'></div>
</div>
<script>
test(function() {
const scroller = document.querySelector('#displayNoneScroller');
const scrollTimeline = new ScrollTimeline(
{ source: scroller, orientation: 'block' });
assert_equals(scrollTimeline.currentTime, null);
}, 'currentTime should be null for a display: none source');
</script>
<script>
test(function() {
const scroller = document.createElement('div');
const content = document.createElement('div');
scroller.style.overflow = 'auto';
scroller.style.height = '100px';
scroller.style.width = '100px';
content.style.height = '250px';
content.style.width = '250px';
scroller.appendChild(content);
const scrollTimeline = new ScrollTimeline(
{ source: scroller, orientation: 'block' });
assert_equals(scrollTimeline.currentTime, null);
}, 'currentTime should be null for an unattached source');
</script>
<div id='notAScroller' class='scroller' style='overflow: visible;'>
<div class='content'></div>
</div>
<script>
test(function() {
const scroller = document.querySelector('#notAScroller');
const scrollTimeline = new ScrollTimeline(
{ source: scroller, orientation: 'block' });
assert_equals(scrollTimeline.currentTime, null);
}, 'currentTime should be null when the source is not a scroller');
</script>
|
