<!DOCTYPE HTML>
<html>
<head>
<script src="../http/tests/resources/js-test-pre.js"></script>
<script src="../http/tests/resources/pointer-lock/pointer-lock-test-harness.js"></script>
</head>
<body>
<div>
  <iframe id="iframe1"></iframe>
  <div id="target2"></div>
</div>
<script>
    description("Test removing an iframe containing a locked element causes lock to be released.")
    window.jsTestIsAsync = true;

    targetIframe1 = document.getElementById("iframe1");
    targetDiv2 = document.getElementById("target2");

    todo = [
        function () {
            // Load a blank iframe.
            targetIframe1.src = "about:blank";
            targetIframe1.onload = function () { doNextStepWithUserGesture(); }
        },
        function () {
            // Nest target element into iframe document.
            targetIframe1.contentDocument.body.innerHTML ="<div><div></div></div>";
            targetDiv1 = targetIframe1.contentDocument.body.firstChild.firstChild
            expectNoEvents("Lock target in iframe. (main document handler)");
            expectOnlyChangeEvent("Lock target in iframe. (iframe handler)", targetIframe1.contentDocument);
            targetDiv1.requestPointerLock();
            // doNextStep called by event handler.
        },
        function () {
            shouldBe("targetIframe1.contentDocument.pointerLockElement", "targetDiv1");
            shouldBe("targetDiv1.parentElement.parentElement", "targetIframe1.contentDocument.body");
            expectOnlyChangeEvent("Remove iframe & immediately lock target2. (main document handler)");
            expectNoEvents("Remove iframe & immediately lock target2. (iframe handler)", targetIframe1.contentDocument);
            targetIframe1.parentElement.removeChild(targetIframe1);
            targetDiv2.requestPointerLock();
            shouldBe("document.pointerLockElement", "null");
            // doNextStep called by event handler.
        },
    ];
    doNextStep();
</script>
<script src="../http/tests/resources/js-test-post.js"></script>
</body>
</html>