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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/utils.js"></script>
<title>Test changing a fenced frame's src attribute when there has been a config
with url installed already does not trigger navigation.</title>
<body>
<script>
function getTimeoutPromise(t) {
return new Promise(resolve =>
t.step_timeout(() => resolve("NOT LOADED"), 2000));
}
promise_test(async (t) => {
const fenced_frame_loaded_key = token();
const url = generateURL(
'resources/fenced-frame-loaded.html', [fenced_frame_loaded_key]);
const url_string = url.toString();
// Create a fenced frame and install an inner config constructed with an url.
const fenced_frame = document.createElement('fencedframe');
const config = new FencedFrameConfig(url_string);
fenced_frame.config = config;
document.body.append(fenced_frame);
// Installing a config to the fenced frame triggers navigation.
const load_expected = "fenced frame loaded";
const load_actual = await nextValueFromServer(fenced_frame_loaded_key);
assert_equals(load_actual, load_expected,
"Fenced frame successfully loaded.");
const src_key = token();
const src_url = generateURL(
'resources/fenced-frame-loaded.html', [src_key]);
// Changing the src attribute, should not trigger navigation.
fenced_frame.src = src_url;
const src_loaded_promise = nextValueFromServer(src_key);
const src_loaded_result = await Promise.any([src_loaded_promise,
getTimeoutPromise(t)]);
assert_equals(src_loaded_result, "NOT LOADED");
}, 'Changing the src attribute of a fenced frame when a config with url',
'has already been installed does not trigger navigation.');
</script>
</body>
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