<!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>
promise_test(t => {
return new Promise(resolve => {
let counter = 0;
performance.onresourcetimingbufferfull = resolve;
const loadImagesRecursively = () => {
// Load an image.
(new Image()).src = "resources/blue.png?" + counter;
++counter;
// Yield to enable queueing an entry, then recursively load another image.
t.step_timeout(loadImagesRecursively, 0);
};
loadImagesRecursively();
});
}, "Finite resource timing entries buffer size");
</script>
</body>
</html>