<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test.js"></script>
</head>
<body id="body" onload="setTimeout('runTest();', 1)">

<div id="content">
<iframe src="data:text/html,<body><input type='search' placeholder=''><input type='search' placeholder=''>"></iframe>
</div>

<div role="group" id="console"></div>

<script>

    description("This tests that using an old text marker that references a removed container node won't crash.");

    var cachedMarker1 = 0;
    var cachedMarker2 = 0;
    jsTestIsAsync = true;

    function runTest() {

        // Retrieve a marker for the search field in the iframe and cache it.
        var searchField1 = accessibilityController.accessibleElementById("content").childAtIndex(0).childAtIndex(0).childAtIndex(0).childAtIndex(0);
        var range1 = searchField1.textMarkerRangeForElement(searchField1);
        cachedMarker1 = searchField1.startTextMarkerForTextMarkerRange(range1);

        var searchField2 = accessibilityController.accessibleElementById("content").childAtIndex(0).childAtIndex(0).childAtIndex(0).childAtIndex(1);
        var range2 = searchField2.textMarkerRangeForElement(searchField2);
        cachedMarker2 = searchField2.startTextMarkerForTextMarkerRange(range2);

        debug("Text marker 1 is valid: " + searchField1.isTextMarkerValid(cachedMarker1));
        debug("Text marker 2 is valid: " + searchField2.isTextMarkerValid(cachedMarker2));

        // Remove the iframe and the search field inside and then force cleanup.
        document.getElementById("content").innerHTML = "";
        gc();

        setTimeout("accessCachedMarker()", "10");
    }
 
    function accessCachedMarker() {
        var console = accessibilityController.accessibleElementById("console");
  
        // Don't crash accessing the text marker that references a stale Node.
        var index1 = console.indexForTextMarker(cachedMarker1);
        debug("Text marker 1 is valid: " + console.isTextMarkerValid(cachedMarker1));

        var index2 = console.indexForTextMarker(cachedMarker2);
        debug("Text marker 2 is valid: " + console.isTextMarkerValid(cachedMarker2));

        finishJSTest();
    }

</script>
</body>
</html>