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<!DOCTYPE html>
<title>Test location.ancestorOrigins</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/utils.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
promise_test(async () => {
const location_ao_key = token();
const location_ao_ack_key = token();
// We load the top-level fenced frame in a cross-origin, so that we can
// more-completely verify the important cross-origin
// `location.ancestorOrigins` case.
const cross_origin = get_host_info().HTTPS_REMOTE_ORIGIN;
const cross_origin_fenced_frame = getRemoteOriginURL(generateURL(
'resources/location-ancestorOrigins-inner.https.html',
[location_ao_key, location_ao_ack_key]
), https=true);
attachFencedFrame(cross_origin_fenced_frame);
// Get the result for the top-level fenced frame.
const fenced_frame_result = await nextValueFromServer(location_ao_key);
assert_equals(fenced_frame_result, "", "The top-level fenced frame has the " +
"right ancestor origins");
// Write an ACK, so that the fenced frame knows it can send message over the
// `window_parent_key` channel again.
writeValueToServer(location_ao_ack_key, "ACK");
// Get the result for the iframe inside the fenced frame.
const iframe_in_fenced_frame_result = await nextValueFromServer(location_ao_key);
assert_equals(iframe_in_fenced_frame_result, cross_origin, "The iframe " +
"inside the top-level fenced frame has the right " +
"ancestor origins");
writeValueToServer(location_ao_ack_key, "ACK");
// Get the result for the nested fenced frame.
const nested_fenced_frame_result = await nextValueFromServer(location_ao_key);
assert_equals(nested_fenced_frame_result, "", "The nested fenced frame " +
"inside the top-level fenced frame has the right ancestor " +
"origins");
}, "location.ancestorOrigins");
</script>
</body>
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