<!DOCTYPE html>
<html>
<head>
</head>
<body>
<input id="textinput" type="text"></input>
<input id="textinput1" type="text"></input>
</body>
<script>
  var SimpleTest = parent.SimpleTest;

  var ok = SimpleTest.ok;
  var info = SimpleTest.info;
  var is = SimpleTest.is;
  var finish = SimpleTest.finish.bind(SimpleTest);

  var input = document.getElementById("textinput");
  input.addEventListener("focus", function(aEvent) {
    is(aEvent.target.id, "textinput", "Input should be focused.");
    ok(aEvent.relatedTarget === null, "The relatedTarget should be null.");
    parent.postMessage("runNextTest", "*");
  }, {once: true});
  input.focus();
</script>
</html>