File: anchor-center-fallback-transition-behavior.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 (44 lines) | stat: -rw-r--r-- 1,168 bytes parent folder | download | duplicates (4) 
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
 
<!DOCTYPE html>
<title>CSS Anchor Positioning Test: Fallback for position-area with implicit anchor centering</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position/">
<link rel="help" href="https://crbug.com/342428030">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  body { margin: 0; }
  #cb {
    position: relative;
    width: 400px;
    height: 100px;
    border: 1px solid black;
  }
  #a1 {
    anchor-name: --a1;
    width: 100px;
    height: 100px;
    background: green;
  }
  #t1 {
    position-anchor: --a1;
    /* transition-behavior exercises bug in Chrome */
    transition-behavior: allow-discrete;
    position: absolute;
    position-area: bottom;
    position-try-fallbacks: --right;
    width: 200px;
    height: 100px;
    background: cyan;
  }
  @position-try --right {
    position-area: right;
  }
</style>
<div id="cb">
  <div id="a1"></div>
  <div id="t1"></div>
</div>
<script>
  test(() => {
    assert_equals(t1.offsetLeft, 100, "Positioned using --right fallback");
  }, "anchor-center aligned bottom anchored element overflowing IMCB");
</script>