File: detach-abspos-before-layout.html

package info (click to toggle)
thunderbird 1%3A115.12.0-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,463,904 kB
  • sloc: cpp: 6,971,272; javascript: 5,208,988; ansic: 3,507,245; python: 1,137,377; asm: 432,531; xml: 205,149; java: 175,761; sh: 116,483; makefile: 22,157; perl: 13,971; objc: 12,561; yacc: 4,583; pascal: 2,840; lex: 1,720; ruby: 1,075; exp: 762; sql: 666; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (31 lines) | stat: -rw-r--r-- 926 bytes parent folder | download | duplicates (22) 
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
 
<!DOCTYPE html>
<title>Detaching positioned object before it is laid out should not crash</title>
<link rel="author" href="mailto:kojii@chromium.org">
<link rel="help" href="https://crbug.com/1101986">
<meta name="assert" content="Detaching positioned object before it is laid out should not crash">
<style>
.float {
  float: left;
}
.abs {
  position: absolute;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
  <div id="container">text<span id="target" class="float"></span></div>
</body>
<script>
test(() => {
  document.body.offsetTop;
  let target = document.getElementById('target');

  // Change `#target` from floating object to positioned object.
  target.classList.add('abs');

  // Style recalc without layout, and detach.
  getComputedStyle(target).display;
  container.style.display = "none";
}, 'No crash or DCHECK failure');
</script>