public void adds_gauge_with_deltaValue_formatsCorrectly(bool isDeltaValue, double value, string expectedFormattedStatsdMessage) { var s = new Statsd(_udp, _randomGenerator, _stopwatch); s.Send<Statsd.Gauge>("delta-gauge", value, isDeltaValue); _udp.AssertWasCalled(x => x.Send(expectedFormattedStatsdMessage)); }