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Test Info:

<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>Event Timing: supportedEntryTypes should be consistent with `'PerformanceEventTiming' in Self`
</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(() => {
const isFirstInputSupportedInEntryTypes = PerformanceObserver.supportedEntryTypes.includes('first-input');
const isEventSupportedInEntryTypes = PerformanceObserver.supportedEntryTypes.includes('event');
const isEventTimingSupportedInSelf = 'PerformanceEventTiming' in self;
assert_equals(isFirstInputSupportedInEntryTypes, isEventTimingSupportedInSelf)
assert_equals(isEventSupportedInEntryTypes, isEventTimingSupportedInSelf)
}, "supportedEntryTypes should be consistent with `'PerformanceEventTiming' in Self`");
</script>
</html>