public void LeafItemFilter_GetPredicate_FiltersToExpectedResults()
{
var filter = new LeafFilterNode <NumericRangeFilter>(new NumericRangeFilter(5, 10));
var values = new[] { 1, 3, 5, 9, 11 };
var expectedFilteredValues = new[] { 5, 9 };
var filterPredicate = filter.GetPredicate <NumericRangeFilter, int>();
var filteredValues = values.Where(filterPredicate);
Assert.Equal(expectedFilteredValues, filteredValues);
}
public void Aggregate_ReturnsExpectedResult_WhenComputingMinimumLowerBound()
{
var filter5To10 = new LeafFilterNode <NumericRangeFilter>(new NumericRangeFilter(5, 10));
var filter = filter5To10.Invert();
double GetLowerBound(NumericRangeFilter f)
{
return(f.LowerBound);
}
// Reduce the filter to get the length of the longest interval
var result = filter.Aggregate(
(lowerBounds, _) => lowerBounds.Min(),
length => double.NegativeInfinity,
leafFilterNode => GetLowerBound(leafFilterNode.Filter));
// Max is 15 - 8
Assert.Equal(double.NegativeInfinity, result);
}
