public void SelectorThrowsWhenEndEqualsOrLessThanStart()
{
Assert.Throws <ArgumentException>(() =>
{
RangeSelector.GetRange(_fixture.SampleEvents1.Buckets, 1, 1);
});
Assert.Throws <ArgumentException>(() =>
{
RangeSelector.GetRange(_fixture.SampleEvents1.Buckets, 2, 1);
});
}
public void SelectorReturnsCorrectNearestEvent(long start, long end, long expectedNearestEventTime)
{
var buckets = _fixture.SampleEvents1.Buckets;
Range range = RangeSelector.GetRange(buckets, start, end);
Assert.False(range.IsFound);
Assert.True(range.IsNearestEventFound);
Bucket bucket = buckets[range.NearestBucketIndex];
Assert.Equal(expectedNearestEventTime, bucket.GetAbsoluteTimeForEvent(range.NearestEventIndex));
}
/// <summary>
/// Selects all buckets that are related to the given interval
/// </summary>
/// <param name="start">Start time (inclusive)</param>
/// <param name="end">End time (exclusive)</param>
/// <returns>All the buckets that were found</returns>
public Bucket[] GetBuckets(long start, long end)
{
var range = RangeSelector.GetRange(Buckets, start, end);
if (!range.IsFound)
{
throw new RangeNotFoundException();
}
var slice = new Bucket[range.Length];
Array.Copy(Buckets, range.FirstBucketIndex, slice, 0, range.Length);
return(slice);
}
public void SelectorReturnsBoundaryEvents(long start, long end)
{
var buckets = _fixture.SampleEvents1.Buckets;
Range range = RangeSelector.GetRange(buckets, start, end);
Assert.True(range.IsFound);
Bucket firstBucket = buckets[range.FirstBucketIndex];
Assert.Equal(start, firstBucket.GetAbsoluteTimeForEvent(range.FirstEventIndex));
Bucket lastBucket = buckets[range.LastBucketIndex];
Assert.Equal(end - 1, lastBucket.GetAbsoluteTimeForEvent(range.LastEventIndex));
}
public void RangeIsNotFoundWhenBucketsArrayIsEmpty()
{
Range range = RangeSelector.GetRange(Array.Empty <Bucket>(), 0, long.MaxValue);
Assert.False(range.IsFound);
}