wpt / css / css-viewport / zoom / matrix-zoom-anim-computed.html

Status: PASS | Duration: 45ms | Subtests: 1/1 | Open test on wpt.live | wpt.fyi

/css/css-viewport/zoom/matrix-zoom-anim-computed.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Zoom property on computed values of transform with a transformation matrix and animation used</title>
<link rel="author" href="mailto:salipov@mozilla.com" title="Seva Alipov">
<link rel="author" href="https://mozilla.com" title="Mozilla">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1927186">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
@keyframes kf {
  from { transform: matrix(1, 0, 0, 1, 50, 50); }
  to { transform: matrix(1, 0, 0, 1, 0, 0); }
}

#foo {
  width: 50px;
  height: 50px;
  background: purple;
  animation: kf 99999s steps(5) infinite alternate;
}
</style>

<div style="zoom: 2">
  <div id="foo"></div>
</div>

<script>
test(() => {
  assert_equals(getComputedStyle(foo).transform, "matrix(1, 0, 0, 1, 50, 50)");
}, "Zoom does not affect the computed transform matrix of an animated element");
</script>