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<!DOCTYPE html>
<title>Verify that Compute Pressure API from a fenced frame is blocked</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
promise_test(async () => {
const frame = attachFencedFrameContext({
headers: [["Permissions-Policy", "compute-pressure=*"]]
});
const result = await frame.execute(async () => {
try {
const observer = new PressureObserver(() => {});
await observer.observe('cpu');
return 'observation succeeded';
} catch (e) {
if (e.name == 'NotAllowedError' &&
e.message.includes(`Access to the feature "compute pressure" is `
+ "disallowed by permissions policy.")) {
return 'observation failed';
} else {
return `observation failed with unknown error - ${e.name}: ${e.message}`;
}
}
});
assert_equals(result, 'observation failed',
'PressureObserver.observe() fails in a fenced frame.');
}, 'PressureObserver.observe() fails in a fenced frame.');
</script>
</body>
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