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<head onload>
<meta charset="utf-8" />
<title>This test validates the buffer doesn't contain more entries than it should inside onresourcetimingbufferfull callback.</title>
<link rel="author" title="Google" href="" />
<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>
promise_test(async t => {
performance.addEventListener('resourcetimingbufferfull', t.step_func(() => {
assert_equals(performance.getEntriesByType("resource").length, 1,
"resource timing buffer in resourcetimingbufferfull is the size of the limit");
assert_equals(performance.getEntriesByType("resource").length, 1,
"A sync request must not be added to the primary buffer just yet, because it is full");
await forceBufferFullEvent();
await waitForNextTask();
}, "Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer");