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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: window attribution</title>
<meta name="timeout" content="long">
<body>
<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="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>
<div id="log"></div>
<script>
const host_info = get_host_info();
const {ORIGIN, REMOTE_ORIGIN, HTTP_NOTSAMESITE_ORIGIN} = host_info;
promise_test (async t => {
const [entry, script] = await expect_long_frame_with_script(() => {
requestAnimationFrame(() => busy_wait());
}, () => true, t);
assert_equals(script.windowAttribution, "self");
assert_equals(script.window, window);
}, 'Scripts in this window should be self-attributed');
promise_test (async t => {
let found = false;
for (let i = 0; i < 10 && !found; ++i) {
const [executor, iframe] = await prepare_exec_iframe(t, ORIGIN);
const [entry, script] = await expect_long_frame_with_script(() =>
executor.execute_script(async (duration) => {
await new Promise(resolve => window.requestAnimationFrame(resolve));
const deadline = performance.now() + duration;
while (performance.now() < deadline) {}
}, [very_long_frame_duration]), () => true, t);
if (script.windowAttribution === "descendant" && script.window === iframe.contentWindow) {
found = true;
}
}
assert_true(found);
}, 'Scripts in subframes should be descendant-attributed');
promise_test(async t => {
const iframe = document.createElement("iframe");
iframe.src = "/resource-timing/resources/green.html";
document.body.append(iframe);
t.add_cleanup(() => iframe.remove());
const [entry, script] = await expect_long_frame_with_script(
() => requestAnimationFrame(busy_wait), () => true, t);
const in_iframe = iframe.contentWindow.performance.getEntriesByType("long-animation-frame").some(
e => e.scripts.some(script_in_iframe => script_in_iframe.invoker === script.invoker)
);
assert_false(in_iframe, "IFrame should not receive the LoAF entry");
}, 'A long busy wait in a requestAnimationFrame should not be observable by same-origin iframes');
</script>
</body>
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