-
Notifications
You must be signed in to change notification settings - Fork 54
/
resource_timing_buffer_full_eventually.html
36 lines (36 loc) · 1.29 KB
/
resource_timing_buffer_full_eventually.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
<title>This test validates that resource timing implementations have a finite number of entries in their buffer.</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
const t = async_test("Finite resource timing entries buffer size");
performance.onresourcetimingbufferfull = t.step_func_done(function() {
});
let counter = 0;
function appendScripts() {
const documentFragment = document.createDocumentFragment();
// Add 8 elements at a time to avoid page reflow every time.
let numScriptsAccumulated = 0;
while (numScriptsAccumulated < 8) {
const src = "resources/empty.js?" + counter;
const script = document.createElement('script');
script.type = 'text/javascript';
script.src = src;
documentFragment.appendChild(script);
++counter;
++numScriptsAccumulated;
}
document.body.appendChild(documentFragment);
t.step_timeout(appendScripts, 20);
}
appendScripts();
</script>
</body>
</html>