chromium/third_party/blink/web_tests/external/wpt/css/css-values/min-max-percentage-length-interpolation.html

<!doctype html>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#comp-func">
<link rel="author" title="Xiaocheng Hu" href="mailto:[email protected]">
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<title>Tests interpolation between CSS comparison functions</title>
<style>
@keyframes anim {
  from {
    width:  min(50px, 30%);
    height: min(75%, 160px);
  }
  to {
    width:  max(75%, 100px);
    height: max(50px, 20%);
  }
}

.test {
  background-color: green;
  animation: anim 1s linear;
  animation-delay: -.5s;
  animation-play-state: paused;
}

.fail {
  background: red;
  position: absolute;
  z-index: -1;
  width: 100px;
  height: 100px;
}

.container {
  position: absolute;
  width: 200px;
  height: 200px;
}
</style>
<p>Test passes if there is a filled green square.</p>
<div class="container">
  <div class="fail"></div>
  <div class="test"></div>
</div>