File: paint-holding-in-iframe.html

package info (click to toggle)
firefox 143.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,617,328 kB
  • sloc: cpp: 7,478,492; javascript: 6,417,157; ansic: 3,720,058; python: 1,396,372; xml: 627,523; asm: 438,677; java: 186,156; sh: 63,477; makefile: 19,171; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,405; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (43 lines) | stat: -rw-r--r-- 1,121 bytes parent folder | download | duplicates (14) 
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
 
<!DOCTYPE html>
<html class="reftest-wait">
<title>View transitions: display old paint during update callback</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="match" href="paint-holding-in-iframe-ref.html">
<link rel="author" href="mailto:khushalsagar@chromium.org">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
  .old {
    border: 5px solid black;
  }
  .new {
    border: 5px solid orange;
  }
</style>

<iframe id="inner" class="old" srcdoc="
  <body>
    This is old content
  </body>
"></iframe>
<script>
async function runTest() {
  await waitForAtLeastOneFrame();

  let contentDocument = inner.contentDocument;
  contentDocument.body.style.background = "blue";

  contentDocument.startViewTransition(async () => {
    contentDocument.body.style.background = "green";
    contentDocument.body.innerText = "This is new content";

    inner.classList.toggle('old');
    inner.classList.toggle('new');

    takeScreenshot();
    return new Promise((resolve) => {});
  });
}
onload = runTest;
</script>
</html>