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<!DOCTYPE html>
<head>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
</head>
<body>
<script>
'use strict';
const script = 'script';
const testPage = `
<${script}>
parent.postMessage(document.fullscreenEnabled, '*');
</${script}>
`;
function runTest(allow, expectation) {
return new Promise((resolve, reject) => {
window.onmessage = event => resolve(event.data);
const iframe = document.createElement("iframe");
iframe.allow = allow;
iframe.src = `javascript: \`${testPage}\``;
document.body.appendChild(iframe);
}).then(enabled => {
assert_equals(enabled, expectation);
});
}
promise_test(() => runTest('fullscreen *', true),
'allow attribute(container policy) can enable feature on javascript generated document');
promise_test(() => runTest("fullscreen 'none'", false),
'allow attribute(container policy) can disable feature on javascript generated document');
</script>
</body>
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