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<head>
<meta charset="UTF-8">
<title>Test for Bug 1268798</title>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
</head>
<body>
<script>
"use strict";
function ok(condition, msg) {
opener.ok(condition, "[lenient-setters] " + msg);
}
function is(a, b, msg) {
opener.is(a, b, "[lenient-setters] " + msg);
}
function info(msg) {
opener.info("[lenient-setters] " + msg);
}
let unattachedDiv = document.createElement("div");
function begin() {
var originalValue = document.fullscreen;
try {
document.fullscreen = !document.fullscreen;
is(document.fullscreen, originalValue,
"fullscreen should not be changed");
} catch (e) {
ok(false, "Setting fullscreen should not throw");
}
var originalElem = document.fullscreenElement;
try {
document.fullscreenElement = unattachedDiv;
document.fullscreenElement = [];
is(document.fullscreenElement, originalElem,
"fullscreenElement should not be changed");
} catch (e) {
ok(false, "Setting fullscreenElement should not throw");
}
var originalEnabled = document.fullscreenEnabled;
try {
document.fullscreenEnabled = !originalEnabled;
is(document.fullscreenEnabled, originalEnabled,
"fullscreenEnabled should not be changed");
} catch (e) {
ok(false, "Setting fullscreenEnabled should not throw");
}
opener.nextTest();
}
</script>
</body>
</html>