<svg xmlns="http://www.w3.org/2000/svg"
     onload="
        document.documentElement.pauseAnimations();
        document.documentElement.setCurrentTime(0);
        document.getElementById('a').beginElementAt(1);
        document.documentElement.setCurrentTime(2)">
  <!--
    This test case sets up a cycle between simultaneous instance times such that
    when the instance times are sorted if this cycle is not detected we will
    crash.
  -->
  <rect width="100" height="100" fill="red">
    <set attributeName="fill" to="blue" begin="a.begin" dur="4s"/>
    <set attributeName="fill" to="green" id="a"
      begin="b.begin; 3s" dur="4s"/>
    <set attributeName="fill" to="red" id="b"
      begin="a.begin" dur="4s"/>
  </rect>
</svg>