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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Reporting: Buffer size</title>
<link rel="author" title="Paul Meyer" href="paulmeyer@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
// Test the buffer size (100) of ReportingObserver.
promise_test(async function(test) {
for (let i = 0; i != 110; ++i)
await test_driver.generate_test_report("" + i);
let reports = await new Promise(resolve => {
let observer = new ReportingObserver(resolve, {buffered:true});
observer.observe();
});
// Only (the most recent) 100 reports should be observed, even though
// 110 were buffered.
assert_equals(reports.length, 100);
for (let i = 0; i != 100; ++i) {
assert_equals(reports[i].body.message, "" + (i + 10));
}
}, "Buffer size");
</script>
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