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<!DOCTYPE html>
<title>Test that documentPictureInPicture.requestWindow()
returns a Window object</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<body>
<div id="div"></div>
<script>
const div = document.getElementById('div');
async_test((t) => {
test_driver.bless('request PiP window').then(t.step_func(_ => {
documentPictureInPicture.requestWindow().then(t.step_func_done((pipWindow) => {
assert_true(!!pipWindow.document,
'Window should contain a document');
assert_true(documentPictureInPicture.window === pipWindow,
'DocumentPictureInPicture.window should match the current window');
// We should be able to move an element to that document.
assert_true(document.body.contains(div),
'The original document should start with the div');
assert_false(pipWindow.document.body.contains(div),
'The PiP document should not start with the div');
pipWindow.document.body.append(div);
assert_false(document.body.contains(div),
'The div should have moved away from the original document');
assert_true(pipWindow.document.body.contains(div),
'The div should have moved to the PiP document');
}));
}));
});
</script>
</body>
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