bufferSize.html - mozsearch

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /reporting/bufferSize.html - WPT Dashboard Interop Dashboard

<!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>