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
|
<!DOCTYPE HTML>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="scroll_support.js"></script>
<style>
#targetDiv {
width: 200px;
height: 200px;
overflow: scroll;
}
#innerDiv {
width: 500px;
height: 4000px;
}
</style>
<body style="margin:0" onload=runTest()>
<div id="targetDiv">
<div id="innerDiv">
</div>
</div>
</body>
<script>
const target_div = document.getElementById('targetDiv');
let scrollend_arrived = false;
let scrollend_event_count = 0;
function onScrollEnd(event) {
assert_false(event.cancelable);
assert_false(event.bubbles);
scrollend_arrived = true;
scrollend_event_count += 1;
}
function runTest() {
promise_test (async (t) => {
// Make sure that no scrollend event is sent to document.
document.addEventListener("scrollend",
t.unreached_func("document got unexpected scrollend event."));
await waitForCompositorCommit();
// Scroll down & up & down on target div and wait for the target_div to get scrollend event.
target_div.addEventListener("scrollend", onScrollEnd);
const move_path = [
{ x: 0, y: -300}, // down
{ x: 0, y: -100}, // up
{ x: 0, y: -400}, // down
{ x: 0, y: -200}, // up
];
await touchScrollInTargetSequentiallyWithPause(target_div, move_path, 150);
await waitFor(() => {return scrollend_arrived;},
'target_div did not receive scrollend event after sequence of scrolls on target.');
assert_equals(scrollend_event_count, 1);
}, "Move down, up and down again, receive scrollend event only once");
}
</script>
|
