System.Net.Mail.Tests.LoggingTest.EventSource_EventsRaisedAsExpected C# (CSharp) Method

        public void EventSource_EventsRaisedAsExpected()
        {
            RemoteInvoke(() =>
            {
                using (var listener = new TestEventListener("Microsoft-System-Net-Mail", EventLevel.Verbose))
                {
                    var events = new ConcurrentQueue<EventWrittenEventArgs>();
                    listener.RunWithCallback(events.Enqueue, () =>
                    {
                        // Invoke a test that'll cause some events to be generated
                        new SmtpClientTest().TestMailDelivery();
                    });
                    Assert.DoesNotContain(events, ev => ev.EventId == 0); // errors from the EventSource itself
                    Assert.InRange(events.Count, 1, int.MaxValue);
                }
                return SuccessExitCode;
            }).Dispose();
        }
    }