testing/web-platform/tests/css/css-view-transitions/fragmented-during-transition-skips.html


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

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: fragmented elements skipped</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="fragmented-during-transition-skips-ref.html">

<script src="/common/reftest-wait.js"></script>
<style>
#spacer {
  width: 100px;
  height: 950px;
  background: lightgreen;
}
#container {
  width: 500px;
  height: 500px;
}
.fragment {
  columns: 2;
}
#target {
  width: 200px;
  height: 200px;
  background: green;
  view-transition-name: target;
}
#unrelated {
  width: 100px;
  height: 100px;
  background: lightblue;
  view-transition-name: unrelated;
}

::view-transition {
  background: pink;
}
::view-transition-group(root) {
  animation-duration: 500s;
  visibility: hidden;
}
::view-transition-group(target) {
  border: 1px solid black;
}
</style>
<div id=container>
  <div id=spacer></div>
  <div id=target></div>
</div>
<div id=unrelated></div>

<script>
function runTransition() {
  let t = document.startViewTransition();
  t.ready.then(() => {
    requestAnimationFrame(() => container.classList.add("fragment"))
  });
  t.finished.then(takeScreenshot);
}

requestAnimationFrame(() => requestAnimationFrame(runTransition))
</script>