public void CanReadv1Logs_Skip_PreStart(string logPath, int skip, int take,
int expectedHistogramCount, int expectedCombinedValueCount,
int expectedCombined999, long expectedCombinedMaxLength,
double expectedStartTime)
{
var readerStream = GetEmbeddedFileStream(logPath);
var reader = new HistogramLogReader(readerStream);
int histogramCount = 0;
long totalCount = 0;
HistogramBase accumulatedHistogram = Create(OneHourOfNanoseconds, DefaultSignificantDigits);
var histograms = reader.ReadHistograms()
.Where(h => h.StartTimeStamp >= reader.GetStartTime().MillisecondsSinceUnixEpoch())
.Skip(skip)
.Take(take);
foreach (var histogram in histograms)
{
histogramCount++;
totalCount += histogram.TotalCount;
accumulatedHistogram.Add(histogram);
}
Assert.Equal(expectedHistogramCount, histogramCount);
Assert.Equal(expectedCombinedValueCount, totalCount);
Assert.Equal(expectedCombined999, accumulatedHistogram.GetValueAtPercentile(99.9));
Assert.Equal(expectedCombinedMaxLength, accumulatedHistogram.GetMaxValue());
Assert.Equal(expectedStartTime, reader.GetStartTime().SecondsSinceUnixEpoch());
}
private HistogramBase UpdateTotals()
{
lock (_runningTotals)
{
_intervalHistogram = _recorder.GetIntervalHistogram(_intervalHistogram);
_runningTotals.Add(_intervalHistogram);
return(_runningTotals.Copy());
}
}