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<!DOCTYPE HTML>
<html>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe src="resources/respond-slowly.py"></iframe>
<body>
<script>
async_test(function(t) {
window.addEventListener('message', t.step_func_done(function(event) {
let originalResponseEnd = event.data[0];
let originalDuration = event.data[1];
let responseEndDuringLoadEvent = event.data[2];
let durationDuringLoadEvent = event.data[3];
let responseEndAfterLoadEvent = event.data[4];
let durationAfterLoadEvent = event.data[5];
assert_equals(originalResponseEnd, 0, "PerformanceNavigationTiming.responseEnd == 0 before load event");
assert_equals(originalDuration, 0, "PerformanceNavigationTiming.duration is 0 before load event");
assert_greater_than(responseEndDuringLoadEvent, 500, "PerformanceNavigationTiming.responseEnd is reasonable during load event");
assert_equals(durationDuringLoadEvent, 0, "PerformanceNavigationTiming.duration is 0 during load event");
assert_greater_than(responseEndAfterLoadEvent, 500, "PerformanceNavigationTiming.responseEnd is reasonable after load event");
assert_greater_than(durationAfterLoadEvent, 500, "PerformanceNavigationTiming.duration is reasonable after load event");
}));
}, "Check that performance.getEntriesByType('navigation')[0].responseEnd has reasonable values before and after the load has finished");
</script>
</body>
</html>
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