Tests.StatsdSenderTests.ThreadSafeConsumerProducerSenderTests.sends_after_delay C# (CSharp) Method

            public void sends_after_delay()
            {
                var metric = new Counting() { Name = "testMetric", ValueAsInt = 5 };
                DateTime timeCalled = DateTime.MaxValue;
                var udpStub = MockRepository.GenerateStub<IStatsdUDP>();
                udpStub.Stub(x => x.Send(Arg<string>.Is.Anything))
                    .WhenCalled(m => timeCalled = DateTime.Now);

                var sender = new ThreadSafeConsumerProducerSender(new ThreadSafeConsumerProducerSender.Configuration() { MaxSendDelayMS = 2000 });
                sender.StatsdUDP = udpStub;
                DateTime startTime = DateTime.Now;
                sender.Send(metric);
                Thread.Sleep(3000);

                IList<object[]> argsPerCall = udpStub.GetArgumentsForCallsMadeOn(x => x.Send(Arg<string>.Is.Anything));
                Assert.That(argsPerCall.Count, Is.EqualTo(1));
                Assert.That(((string)argsPerCall[0][0]), Is.EqualTo(metric.Command));

                var sendDelay = (timeCalled - startTime).TotalMilliseconds;
                Assert.That(sendDelay, Is.GreaterThanOrEqualTo(2000));
            }