public virtual void DifferenceWithTest()
{
// Test arrayContainer-based sets
int[] set1 = { 1, 2, 3, 7 };
RoaringBitset testSet1 = RoaringBitset.Create(set1);
int[] set2 = { 1, 4, 7 };
RoaringBitset testSet2 = RoaringBitset.Create(set2);
testSet1.DifferenceWith(testSet2);
Assert.AreEqual(false, testSet1.Get(1));
Assert.AreEqual(true, testSet1.Get(3));
// Test bitsetContainer-based sets
int[] set3 = SetGenerator.GetContiguousArray(0, 5000);
RoaringBitset testSet3 = RoaringBitset.Create(set3);
int[] setExceptions = { 4 };
int[] set4 = SetGenerator.GetContiguousArrayWithExceptions(0, 5000, setExceptions);
RoaringBitset testSet4 = RoaringBitset.Create(set4);
// Reduce contiguous array to single value (4) via DifferenceWith
testSet3.DifferenceWith(testSet4);
Assert.AreEqual(false, testSet3.Get(2));
Assert.AreEqual(true, testSet3.Get(4));
//
// Reduce testSet2 to 4 as well
testSet2.DifferenceWith(testSet4);
Assert.AreEqual(false, testSet2.Get(1));
Assert.AreEqual(true, testSet2.Get(4));
// Remove contents of set1 from set4
testSet4.DifferenceWith(testSet1);
Assert.AreEqual(false, testSet4.Get(2));
Assert.AreEqual(true, testSet4.Get(6));
}
static void Main(string[] args)
{
RoaringBitset rb = RoaringBitset.Create(1, 4, 5, 6);
RoaringBitset rb2 = new RoaringBitset();
rb2.Add(5000, 5255);
RoaringBitset rbOr = RoaringBitset.Or(rb, rb2);
rb.OrWith(rb2);
Debug.Assert(rbOr.Equals(rb), "Expected inplace OrWith to be equal to standard Or");
long cardinality = rb.Cardinality();
Debug.Assert(cardinality == 259, "Cardinality should be 259");
Console.WriteLine("Printing values...");
foreach (int i in rb)
{
Console.WriteLine(i);
}
}
protected override IBitset CreateSetFromIndices(int[] indices, int length)
{
return(RoaringBitset.Create(indices));
}