public void TestMethodIntersectionWithSet() { Set<int> s1 = new Set<int>(); s1.AddElement(0); s1.AddElement(1); s1.AddElement(2); Set<int> s2 = new Set<int>(); s2.AddElement(1); s2.AddElement(2); s2.AddElement(3); Set<int> s3 = new Set<int>(); s3.AddElement(1); s3.AddElement(2); Assert.IsTrue(s3 == s1.IntersectionWithSet(s2)); }