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<!DOCTYPE html>
<title>Document#fullscreenEnabled setting allowfullscreen after load and then navigating</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
async_test((t) => {
const iframe = document.createElement('iframe');
// no allowfullscreen attribute
let i = 0;
const path = location.pathname.substring(0, location.pathname.lastIndexOf('/') + 1);
iframe.src = "http://{{hosts[][]}}:{{ports[http][0]}}" + path + "resources/echo-fullscreenEnabled.html";
iframe.onload = t.step_func(() => {
if (i === 0) {
iframe.allowFullscreen = true;
}
iframe.contentWindow.postMessage('What is document.fullscreenEnabled?', '*');
});
window.onmessage = t.step_func((e) => {
i++;
if (i === 1) {
assert_false(e.data, 'document.fullscreenEnabled in the iframe, before navigation');
// Navigate the iframe. This will fire a second 'load' event on the iframe.
iframe.contentWindow.location.href = iframe.src + '?2';
} else {
assert_true(e.data, 'document.fullscreenEnabled in the iframe, after navigation');
t.done();
}
});
document.body.appendChild(iframe);
});
</script>
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