public void Using_external_histogram_for_recycling_throws()
{
var externallyCreatedHistogram = new LongHistogram(HighestTrackableValue, 3);
var recorder = new Recorder(1, HighestTrackableValue, NumberOfSignificantValueDigits, (id, lowest, highest, sf) => new LongHistogram(id, lowest, highest, sf));
recorder.RecordValue(1000);
Assert.Throws<InvalidOperationException>(() => recorder.GetIntervalHistogram(externallyCreatedHistogram));
recorder.GetIntervalHistogramInto(externallyCreatedHistogram);
}
public void GetIntervalHistogramInto_copies_data_over_provided_Histogram()
{
var originalStart = DateTime.Today.AddDays(-1).MillisecondsSinceUnixEpoch();
var originalEnd = DateTime.Today.MillisecondsSinceUnixEpoch();
var targetHistogram = new LongHistogram(1, HighestTrackableValue, 3);
targetHistogram.StartTimeStamp = originalStart;
targetHistogram.RecordValue(1);
targetHistogram.RecordValue(10);
targetHistogram.RecordValue(100);
targetHistogram.EndTimeStamp = originalEnd;
Assert.AreEqual(3, targetHistogram.TotalCount);
Assert.AreEqual(1, targetHistogram.GetCountAtValue(1));
Assert.AreEqual(1, targetHistogram.GetCountAtValue(10));
Assert.AreEqual(1, targetHistogram.GetCountAtValue(100));
var recorder = new Recorder(1, HighestTrackableValue, NumberOfSignificantValueDigits, (id, lowest, highest, sf) => new LongHistogram(id, lowest, highest, sf));
recorder.RecordValue(1000);
recorder.RecordValue(10000);
recorder.RecordValue(100000);
recorder.GetIntervalHistogramInto(targetHistogram);
Assert.AreEqual(3, targetHistogram.TotalCount);
Assert.AreEqual(0, targetHistogram.GetCountAtValue(1));
Assert.AreEqual(0, targetHistogram.GetCountAtValue(10));
Assert.AreEqual(0, targetHistogram.GetCountAtValue(100));
Assert.AreEqual(1, targetHistogram.GetCountAtValue(1000));
Assert.AreEqual(1, targetHistogram.GetCountAtValue(10000));
Assert.AreEqual(1, targetHistogram.GetCountAtValue(100000));
Assert.AreNotEqual(originalStart, targetHistogram.StartTimeStamp);
Assert.AreNotEqual(originalEnd, targetHistogram.EndTimeStamp);
}
