File: anchor-transition-focus.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-- 1,172 bytes parent folder | download | duplicates (10) 
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>
<title>CSS Anchor Positioning Test: Transition with unused position-anchor</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  body:has(:focus) {
    --unused: foo;
  }
  #anchored {
    position: absolute;
    position-anchor: --foo;
    top: 0px;
    transition: top 0.1s steps(2, start);
  }
  :focus ~ #anchored {
    top: 40px;
  }
</style>
<div id="focusable" tabindex="0" focused>Focus me</div>
<div id="anchored">Anchored</div>
<script>

  promise_test(async t => {
    document.body.offsetTop;
    assert_equals(anchored.offsetTop, 0);

    focusable.focus();
    assert_equals(anchored.offsetTop, 20);

    const watcher = new EventWatcher(t, anchored, [ "transitionend" ]);
    await watcher.wait_for("transitionend");

    assert_equals(anchored.offsetTop, 40);

    focusable.blur();
    assert_equals(anchored.offsetTop, 20);

    await watcher.wait_for("transitionend");
    assert_equals(anchored.offsetTop, 0);
  }, "Transition insets with focus()/blur() and unused position-anchor");

</script>