public virtual void TestInverseRange()
{
AtomicReaderContext context = (AtomicReaderContext)SlowCompositeReaderWrapper.Wrap(Searcher.IndexReader).Context;
NumericRangeFilter<long> f = NumericRangeFilter.NewLongRange("field8", 8, 1000L, -1000L, true, true);
Assert.IsNull(f.GetDocIdSet(context, (context.AtomicReader).LiveDocs), "A inverse range should return the null instance");
f = NumericRangeFilter.NewLongRange("field8", 8, long.MaxValue, null, false, false);
Assert.IsNull(f.GetDocIdSet(context, (context.AtomicReader).LiveDocs), "A exclusive range starting with Long.MAX_VALUE should return the null instance");
f = NumericRangeFilter.NewLongRange("field8", 8, null, long.MinValue, false, false);
Assert.IsNull(f.GetDocIdSet(context, (context.AtomicReader).LiveDocs), "A exclusive range ending with Long.MIN_VALUE should return the null instance");
}