<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body id="body">

asdf

<div id="content" tabindex="0">test</div>

asdf

<p id="description"></p>
<div id="console"></div>

<script>

    description("This protects against a crash when AXUIElementForTextMarker is queried with an empty text marker.");

    if (window.accessibilityController) {

          document.getElementById("content").focus();
          var content = accessibilityController.focusedElement;

          // get a marker that is invalid (the next one after the end of the body).
          var textMarkerRange = content.textMarkerRangeForElement(content);
          var endMarker = content.endTextMarkerForTextMarkerRange(textMarkerRange);

          // Remove "content" so that the text marker becomes invalid.
          document.getElementById("body").removeChild(document.getElementById("content"));

          document.getElementById("body").focus();
          var body = accessibilityController.focusedElement;

          // Ask for the ui element for that marker (should not crash).
          body.accessibilityElementForTextMarker(endMarker);
    }

</script>

<script src="../../resources/js-test-post.js"></script>
</body>
</html>