servo/tests/wpt/web-platform-tests/fullscreen/api/document-fullscreen-enabled-active-document.html

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HTML

<!DOCTYPE html>
<title>Document#fullscreenEnabled when the document is not the active document</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<iframe allowfullscreen></iframe>
<script>
var t = async_test();
onload = t.step_func(() => {
var iframe = document.querySelector("iframe");
var documentBeforeNav = iframe.contentDocument;
iframe.onload = t.step_func_done(() => {
assert_false(documentBeforeNav.fullscreenEnabled);
});
// Navigate the iframe
window[0].location.href = '/common/blank.html';
});
</script>