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<!DOCTYPE html>
<meta charset="utf-8">
<title>Sandboxing: Retrieving display availability from a nested context succeeds when allow-presentation is set</title>
<link rel="author" title="Francois Daoust" href="https://www.w3.org/People/#fd">
<link rel="help" href="http://w3c.github.io/presentation-api/#dom-presentationrequest-getavailability">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function (t) {
function startWhenReady(ev) {
var childFrame = document.getElementById('childFrame');
if (ev.data === 'ready') {
window.removeEventListener('message', startWhenReady);
childFrame.contentWindow.postMessage('getAvailability', '*');
window.addEventListener('message', t.step_func(function (ev) {
assert_equals(ev.data, 'success',
'Presentation sandboxing did not work as expected.');
t.done();
}));
}
}
window.addEventListener('message', startWhenReady);
});
</script>
<iframe id="childFrame" sandbox="allow-scripts allow-presentation" style="display:none" src="support/iframe.html"></iframe>
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