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+<!DOCTYPE HTML>
+<html>
+ <!--
+ https://bugzilla.mozilla.org/show_bug.cgi?id=633602
+
+ Test DOM tree in full screen
+ -->
+<head>
+<title>Bug 633602 - file_DOMtree.html</title>
+<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+<script type="application/javascript" src="pointerlock_utils.js"></script>
+<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank"
+ href="https://bugzilla.mozilla.org/show_bug.cgi?id=633602">
+ Mozilla Bug 633602
+</a>
+<div id="div"></div>
+<div id="outer"><div id="inner"></div></div>
+<pre id="test">
+<script type="text/javascript">
+/*
+ * Test for Bug 633602
+ * Checks if pointer is unlocked when element is removed from
+ * the DOM Tree
+ */
+
+SimpleTest.waitForExplicitFinish();
+
+var div = document.getElementById("div");
+var outer = document.getElementById("outer");
+var inner = document.getElementById("inner");
+
+function listenOneDocEvent(type, handler) {
+ function callback(event) {
+ document.removeEventListener(type, callback);
+ SimpleTest.executeSoon(() => handler(event));
+ }
+ document.addEventListener(type, callback);
+}
+
+function checkPointerLockElement(elem) {
+ if (elem) {
+ is(document.pointerLockElement, elem,
+ `#${elem.id} should have locked the pointer`);
+ } else {
+ ok(!document.pointerLockElement, "Pointer should have been unlocked");
+ }
+}
+
+function start() {
+ addFullscreenChangeContinuation("enter", enteredFullscreen);
+ document.documentElement.requestFullscreen();
+}
+
+function enteredFullscreen() {
+ is(document.fullscreenElement, document.documentElement,
+ "Root element should have entered fullscreen");
+ listenOneDocEvent("pointerlockchange", lockedPointerOnDiv);
+ div.requestPointerLock();
+}
+
+function lockedPointerOnDiv() {
+ checkPointerLockElement(div);
+ listenOneDocEvent("pointerlockchange", unlockedPointerFromDiv);
+ document.body.removeChild(div);
+}
+
+function unlockedPointerFromDiv() {
+ checkPointerLockElement(null);
+ listenOneDocEvent("pointerlockchange", lockedPointerOnInner);
+ inner.requestPointerLock();
+}
+
+function lockedPointerOnInner() {
+ checkPointerLockElement(inner);
+ listenOneDocEvent("pointerlockchange", unlockedPointerFromInner);
+ document.body.removeChild(outer);
+}
+
+function unlockedPointerFromInner() {
+ checkPointerLockElement(null);
+ addFullscreenChangeContinuation("exit", exitedFullscreen);
+ document.exitFullscreen();
+}
+
+function exitedFullscreen() {
+ SimpleTest.finish();
+}
+</script>
+</pre>
+</body>
+</html>