buffer-full-then-decreased.html | Explore in Territory

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<title>This test validates that reducing the buffer size after entries were
  queued does not drop those entries, nor does it call the
  resourcetimingbufferfull event callback.</title>
<link rel="author" title="Google" href="http://www.google.com/" />
<link rel="help"
 href="https://www.w3.org/TR/resource-timing-2/#dom-performance-onresourcetimingbufferfull"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/resource-loaders.js"></script>
<script src="resources/buffer-full-utilities.js"></script>
</head>
<body>
<script>
promise_test(async t => {
    addAssertUnreachedBufferFull(t);
    await fillUpTheBufferWithTwoResources();
    performance.setResourceTimingBufferSize(1);
    await waitForNextTask();
    checkEntries(2);
}, "Test that if the buffer is reduced after entries were added to it, those" +
   " entries don't get cleared, nor is the resourcetimingbufferfull event" +
   " being called.");
</script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/resource-timing/buffer-full-then-decreased.html