File: hittest-overlapping-margin.html

package info (click to toggle)
firefox-esr 91.12.0esr-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 3,375,668 kB
  • sloc: cpp: 5,762,032; javascript: 5,481,714; ansic: 3,121,206; python: 851,492; asm: 331,174; xml: 178,949; java: 155,554; sh: 63,704; makefile: 20,127; perl: 12,825; yacc: 4,583; cs: 3,846; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; php: 436; lisp: 260; awk: 231; ruby: 103; sed: 53; sql: 46; csh: 45
file content (43 lines) | stat: -rw-r--r-- 1,308 bytes parent folder | download | duplicates (25)
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>
<link rel="author" title="Andrew Comminos" href="mailto:acomminos@fb.com" />
<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#painting" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#container {
  width: 600px;
  display: flex;
}

#left {
  width: 300px;
  overflow: hidden;
  white-space: nowrap;
  background: rgba(200, 200, 200, 0.8);
}

#right {
  width: 300px;
  background-color: rgba(0, 128, 0, 0.8);
  margin-left: -100px;
}
</style>
<div id="container">
  <a id="left" href="#">foofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoofoo</a>
  <div id="right"></div>
</div>
<div id="log"></div>
<script>
  test(function(t)
    {
      const container = document.querySelector('#container');
      // Target the intersection of the two child elements.
      // The occluded link should not be clickable.
      const x = container.offsetLeft + 250;
      const y = container.offsetTop + 5;

      var element = document.elementFromPoint(x, y);
      assert_equals(element.nodeName, 'DIV');
      assert_equals(element.id, 'right');
    }, "Flexboxes should perform hit testing in reverse paint order for overlapping elements: negative margin case (crbug.com/844505)");
</script>