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<!DOCTYPE html>
<html lang="en" class="reftest-wait">
<meta charset="utf-8">
<title>The green box shouldn't be invalidated when the blue box starts to move.</title>

<style>

body {
  margin: 0;
}

#clip {
  border: 1px solid black;
  margin: 50px;
  overflow: hidden;
  height: 200px;
  width: 400px;
  position: relative;
}

#animatedTransform {
  border: 1px solid blue;
  width: 100px;
  height: 100px;
  position: absolute;
  z-index: 1;
  top: 50px;
  left: 50px;
  transition: transform ease-in-out .4s;
}

#clip:hover > #animatedTransform,
#animatedTransform.animate {
  transform: translateX(200px);
}

#aboveTransform {
  position: relative;
  margin: 50px 100px;
  border: 1px solid lime;
  width: 80px;
  height: 80px;
  z-index: 2;
}

</style>

<div id="clip">
  <div id="animatedTransform"></div>
</div>

<div id="aboveTransform" class="reftest-no-paint"></div>

<script>

function doTest() {
  document.getElementById("animatedTransform").className = "animate";
  document.documentElement.removeAttribute("class");
}
document.addEventListener("MozReftestInvalidate", doTest, false);

</script>