32 lines
1.1 KiB
HTML
32 lines
1.1 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<meta name="timeout" content="long">
|
|
<title>Resource Timing: EventSource timing behavior</title>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/resource-timing/resources/observe-entry.js"></script>
|
|
</head>
|
|
</script>
|
|
<script>
|
|
async_test(t => {
|
|
const repetitions = 2;
|
|
const url = new URL(`/eventsource/resources/message.py`, location.href);
|
|
const eventSource = new EventSource(url);
|
|
let messages = 0;
|
|
t.add_cleanup(() => eventSource.close());
|
|
eventSource.addEventListener('message', () => {
|
|
++messages;
|
|
})
|
|
|
|
new PerformanceObserver(() => {
|
|
const entries = performance.getEntriesByName(url);
|
|
assert_greater_than_equal(entries.length, messages - 1);
|
|
if (entries.length === repetitions)
|
|
t.done();
|
|
}).observe({type: 'resource'});
|
|
}, "ResourceTiming for EventSource should reflect number of re-connections to source");
|
|
</script>
|
|
</body>
|
|
</html>
|