<!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>