File: scrollbar-gutter-propagation-004.html

package info (click to toggle)
thunderbird 1%3A143.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 4,703,968 kB
  • sloc: cpp: 7,770,492; javascript: 5,943,842; ansic: 3,918,754; python: 1,418,263; xml: 653,354; asm: 474,045; java: 183,079; sh: 111,238; makefile: 20,410; perl: 14,359; objc: 13,059; yacc: 4,583; pascal: 3,405; lex: 1,720; ruby: 999; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 69; csh: 10
file content (48 lines) | stat: -rw-r--r-- 1,230 bytes parent folder | download | duplicates (20) 
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
 
<!doctype html>
<meta charset="utf-8">
<title>CSS Overflow: scrollbar-gutter on the root with overflow:auto, scrolling</title>
<link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@igalia.com" />
<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<style>
  body,
  html {
    margin: 0;
    padding: 0;
    border: none;
  }

  :root {
    scrollbar-gutter: stable;
    overflow: auto;
  }

  #content {
    background: green;
    width: 100%;
    /* force scrolling */
    height: 200vh;
  }
</style>

<body>

  <div id="content"></div>

  <script type="text/javascript">
    setup({ explicit_done: true });

    test(function () {
      let root = document.documentElement;
      let body = document.body;
      let content = document.getElementById('content');
      assert_equals(body.offsetWidth, root.offsetWidth, "root width");
      assert_equals(content.offsetWidth, body.offsetWidth, "content width");
    }, "root, body and content have the same width");

    done();

  </script>
</body>