public void IntersectionYieldsImmutableCone()
{
ISet mySet = new ListSet(new int[] { 1, 4 });
ISet clone = Set.Intersect(mySet);
Assert.IsNotNull(clone);
Assert.AreEqual(1, clone.Count);
Assert.Throws <NotSupportedException>(() => clone.Add("bad chair, bad chair"));
}
public void Intersect()
{
Set.AddAll(UniqueStuff);
SetForSetOps.AddAll(new object [] { "Bar", StuffOne });
ISet intersection = Set.Intersect(SetForSetOps);
Assert.IsTrue(intersection.Count == 1);
Assert.IsFalse(object.ReferenceEquals(intersection, Set), "Got back same instance after set operation.");
Assert.IsTrue(Set.Count == UniqueStuff.Length);
Assert.IsTrue(SetForSetOps.Count == 2);
}
public void Intersect()
{
ISet actual = Set.Intersect(one, two);
Assert.IsNotNull(actual);
Assert.AreEqual(1, actual.Count);
Assert.IsTrue(actual.Contains(1));
CheckThatOriginalsHaveNotBeenModified();
Assert.IsNull(Set.Intersect(null, null));
actual = Set.Intersect(null, two);
Assert.AreEqual(0, actual.Count);
actual = Set.Intersect(one, null);
Assert.AreEqual(0, actual.Count);
}
