<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
    This test checks that we repaint, when a flex item is brought towards
    the viewer in the stacking-order, without moving in the "x" or "y"
    dimensions onscreen, using the "order" and "margin-left" properties.

    This test should end up rendering as a lime square, 100px by 100px.
-->
<html class="reftest-wait">
<head>
<style>
#container {
  display: flex;
}

#container > * {
  width: 100px;
  height: 100px;
}

#a {
  background-color: red;
}

#b {
  background-color: lime;
}

.foreground {
  order: 1;
  margin-left: -100px;
}
</style>
<script>
  function tweak() {
    var a = document.getElementById("a");
    var b = document.getElementById("b");
    a.classList.remove("foreground");
    b.classList.add("foreground");
    document.documentElement.removeAttribute("class");
  }

  window.addEventListener("MozReftestInvalidate", tweak, false);
</script>
</head>
<body>
  <div id="container">
    <div id="a" class="foreground"></div>
    <div id="b"></div>
  </div>
</body>
</html>