public void AllDensitiesEqualOne()
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents1, 31 * Durations.Second, 35 * Durations.Second - 1, Durations.Second);
Assert.NotEmpty(densities);
Assert.All(densities, d => Assert.Equal(1, d));
}
public void CalculateDensityForRangeWithNoEvents(long start, long end, long segmentSize, double expectedDensity)
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents1, start, end, segmentSize);
Assert.Single(densities);
Assert.DensitiesEqual(expectedDensity, densities[0]);
}
public void ShouldThrowWhenSegmentSizeIsTooBig()
{
Assert.Throws <ArgumentException>(() => {
DensityCalculationManager.GetDensities(
_fixture.SampleEvents1,
24 * Durations.Second,
24 * Durations.Second + 1000,
Durations.Second);
});
}
public void ShouldThrowExceptionWhenEndEqualsStart()
{
Assert.Throws <ArgumentException>(() => {
DensityCalculationManager.GetDensities(
_fixture.SampleEvents1,
24 * Durations.Second,
24 * Durations.Second,
Durations.Second);
});
}
public void ShouldThrowExceptionWhenTooMuchSegments(long start, long end, long segmentSize)
{
Assert.Throws <ArgumentException>(() => {
DensityCalculationManager.GetDensities(
_fixture.SampleEvents1,
start,
end,
segmentSize);
});
}
public void CalculateDensitiesForSeveralSegments(long start, long end, long segmentSize, double[] expectedDensities)
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents2, start, end, segmentSize);
Assert.Equal(densities.Length, expectedDensities.Length);
for (var i = 0; i < densities.Length; i++)
{
Assert.Equal(expectedDensities[i], densities[i]);
}
}
public void LastDensityIsZero()
{
var densities = DensityCalculationManager.GetDensities(
_fixture.SampleEvents1,
31 * Durations.Second,
44 * Durations.Second,
Durations.Second);
Assert.NotEmpty(densities);
Assert.True(densities.Last() == 0);
}
/// <summary>
/// Calculates densities for specific interval with specific segment size using pre-allocated buffer
/// </summary>
/// <param name="start">Start time (inclusive)</param>
/// <param name="end">End time (inclusive)</param>
/// <param name="segmentSize">Segment size</param>
/// <param name="targetBuffer">Pre-allocated buffer</param>
/// <returns>Part of the pre-allocated buffer where calculated densities were set</returns>
public Span <double> GetDensities(long start, long end, long segmentSize, ref double[] targetBuffer)
{
return(DensityCalculationManager.GetDensities(this, start, end, segmentSize, ref targetBuffer));
}
/// <summary>
/// Calculates densities for specific interval with specific segment size
/// </summary>
/// <param name="start">Start time (inclusive)</param>
/// <param name="end">End time (inclusive)</param>
/// <param name="segmentSize">Segment size</param>
/// <returns>All the densities that were calculated for the given interval</returns>
public double[] GetDensities(long start, long end, long segmentSize)
{
return(DensityCalculationManager.GetDensities(this, start, end, segmentSize));
}
public void NoDensities()
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents1, 255 * Durations.Second, 260 * Durations.Second - 1, Durations.Second);
Assert.Empty(densities);
}
public void DensitiesCountShouldMatch(long start, long end, long segmentSize, int expectedDensitiesCount)
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents1, start, end, segmentSize);
Assert.Equal(densities.Length, expectedDensitiesCount);
}
public void CalculateDensityForRangeWithStartAndStopEvents(long start, long end, long segmentSize, double expectedDensity)
{
var densities = DensityCalculationManager.GetDensities(_fixture.SampleEvents1, start, end, segmentSize);
Assert.All(densities, d => Assert.DensitiesEqual(expectedDensity, d));
}
