public static void LinkedHashSetTest()
{
int[] setEmpty = { };
int[] set1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] set2 = { 1, 2, 3, 4, 5, 6, 6, 8, 9 };
int[] set3 = { 1, 2, 3, 4, 5, 6, 8, 9, 0 };
LinkedHashSet <int> lhsEmpty = new LinkedHashSet <int>();
LinkedHashSet <int> lhs1 = new LinkedHashSet <int>(set1);
LinkedHashSet <int> lhs2 = new LinkedHashSet <int>(set2);
LinkedHashSet <int> lhs3 = new LinkedHashSet <int>(set3);
HashSet <int> hsEmpty = new HashSet <int>();
HashSet <int> hs1 = new HashSet <int>(set1);
HashSet <int> hs2 = new HashSet <int>(set2);
HashSet <int> hs3 = new HashSet <int>(set3);
#region Pseudo-LINQ-Extensions
Assert.AreEqual(1, lhs1.First());
Assert.AreEqual(9, lhs1.Last());
Assert.AreEqual(0, lhs3.Last());
Assert.Throws <InvalidOperationException>(() => lhsEmpty.First());
Assert.Throws <InvalidOperationException>(() => lhsEmpty.Last());
Assert.DoesNotThrow(() => lhsEmpty.FirstOrDefault());
Assert.DoesNotThrow(() => lhsEmpty.LastOrDefault());
Assert.AreEqual(default(int), lhsEmpty.FirstOrDefault());
Assert.AreEqual(default(int), lhsEmpty.LastOrDefault());
Assert.DoesNotThrow(() => lhsEmpty.Reverse());
List <int> reversed = new List <int>(lhs3.Reverse());
Assert.AreEqual(lhs3.Count, reversed.Count);
Assert.AreEqual(0, reversed[0]);
Assert.AreEqual(9, reversed[1]);
Assert.AreEqual(8, reversed[2]);
Assert.AreEqual(6, reversed[3]);
Assert.AreEqual(5, reversed[4]);
Assert.AreEqual(4, reversed[5]);
Assert.AreEqual(3, reversed[6]);
Assert.AreEqual(2, reversed[7]);
Assert.AreEqual(1, reversed[8]);
#endregion
#region SetEquals
Assert.IsTrue(lhsEmpty.SetEquals(lhsEmpty));
Assert.IsTrue(lhs1.SetEquals(lhs1));
Assert.IsTrue(lhs2.SetEquals(lhs2));
Assert.IsTrue(lhs3.SetEquals(lhs3));
Assert.IsTrue(lhsEmpty.SetEquals(hsEmpty));
Assert.IsTrue(lhs1.SetEquals(hs1));
Assert.IsTrue(lhs2.SetEquals(hs2));
Assert.IsTrue(lhs3.SetEquals(hs3));
Assert.IsTrue(lhsEmpty.SetEquals(setEmpty));
Assert.IsTrue(lhs1.SetEquals(set1));
Assert.IsTrue(lhs2.SetEquals(set2));
Assert.IsTrue(lhs3.SetEquals(set3));
Assert.IsTrue(lhsEmpty.SetEquals(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.SetEquals(GetEnumerator(set1)));
Assert.IsTrue(lhs2.SetEquals(GetEnumerator(set2)));
Assert.IsTrue(lhs3.SetEquals(GetEnumerator(set3)));
Assert.IsFalse(lhsEmpty.SetEquals(lhs1));
Assert.IsFalse(lhsEmpty.SetEquals(lhs2));
Assert.IsFalse(lhsEmpty.SetEquals(lhs3));
Assert.IsFalse(lhsEmpty.SetEquals(hs1));
Assert.IsFalse(lhsEmpty.SetEquals(hs2));
Assert.IsFalse(lhsEmpty.SetEquals(hs3));
Assert.IsFalse(lhsEmpty.SetEquals(set1));
Assert.IsFalse(lhsEmpty.SetEquals(set2));
Assert.IsFalse(lhsEmpty.SetEquals(set3));
Assert.IsFalse(lhsEmpty.SetEquals(GetEnumerator(set1)));
Assert.IsFalse(lhsEmpty.SetEquals(GetEnumerator(set2)));
Assert.IsFalse(lhsEmpty.SetEquals(GetEnumerator(set3)));
Assert.IsFalse(lhs1.SetEquals(lhsEmpty));
Assert.IsFalse(lhs1.SetEquals(lhs2));
Assert.IsFalse(lhs1.SetEquals(lhs3));
Assert.IsFalse(lhs1.SetEquals(hsEmpty));
Assert.IsFalse(lhs1.SetEquals(hs2));
Assert.IsFalse(lhs1.SetEquals(hs3));
Assert.IsFalse(lhs1.SetEquals(setEmpty));
Assert.IsFalse(lhs1.SetEquals(set2));
Assert.IsFalse(lhs1.SetEquals(set3));
Assert.IsFalse(lhs1.SetEquals(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs1.SetEquals(GetEnumerator(set2)));
Assert.IsFalse(lhs1.SetEquals(GetEnumerator(set3)));
Assert.IsFalse(lhs2.SetEquals(lhsEmpty));
Assert.IsFalse(lhs2.SetEquals(lhs1));
Assert.IsFalse(lhs2.SetEquals(lhs3));
Assert.IsFalse(lhs2.SetEquals(hsEmpty));
Assert.IsFalse(lhs2.SetEquals(hs1));
Assert.IsFalse(lhs2.SetEquals(hs3));
Assert.IsFalse(lhs2.SetEquals(setEmpty));
Assert.IsFalse(lhs2.SetEquals(set1));
Assert.IsFalse(lhs2.SetEquals(set3));
Assert.IsFalse(lhs2.SetEquals(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs2.SetEquals(GetEnumerator(set1)));
Assert.IsFalse(lhs2.SetEquals(GetEnumerator(set3)));
Assert.IsFalse(lhs3.SetEquals(lhsEmpty));
Assert.IsFalse(lhs3.SetEquals(lhs1));
Assert.IsFalse(lhs3.SetEquals(lhs2));
Assert.IsFalse(lhs3.SetEquals(hsEmpty));
Assert.IsFalse(lhs3.SetEquals(hs1));
Assert.IsFalse(lhs3.SetEquals(hs2));
Assert.IsFalse(lhs3.SetEquals(setEmpty));
Assert.IsFalse(lhs3.SetEquals(set1));
Assert.IsFalse(lhs3.SetEquals(set2));
Assert.IsFalse(lhs3.SetEquals(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs3.SetEquals(GetEnumerator(set1)));
Assert.IsFalse(lhs3.SetEquals(GetEnumerator(set2)));
#endregion
#region Overlaps
Assert.IsFalse(lhsEmpty.Overlaps(lhsEmpty));
Assert.IsTrue(lhs1.Overlaps(lhs1));
Assert.IsTrue(lhs2.Overlaps(lhs2));
Assert.IsTrue(lhs3.Overlaps(lhs3));
Assert.IsFalse(lhsEmpty.Overlaps(hsEmpty));
Assert.IsTrue(lhs1.Overlaps(hs1));
Assert.IsTrue(lhs2.Overlaps(hs2));
Assert.IsTrue(lhs3.Overlaps(hs3));
Assert.IsFalse(lhsEmpty.Overlaps(setEmpty));
Assert.IsTrue(lhs1.Overlaps(set1));
Assert.IsTrue(lhs2.Overlaps(set2));
Assert.IsTrue(lhs3.Overlaps(set3));
Assert.IsFalse(lhsEmpty.Overlaps(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.Overlaps(GetEnumerator(set1)));
Assert.IsTrue(lhs2.Overlaps(GetEnumerator(set2)));
Assert.IsTrue(lhs3.Overlaps(GetEnumerator(set3)));
Assert.IsFalse(lhsEmpty.Overlaps(lhs1));
Assert.IsFalse(lhsEmpty.Overlaps(lhs2));
Assert.IsFalse(lhsEmpty.Overlaps(lhs3));
Assert.IsFalse(lhsEmpty.Overlaps(hs1));
Assert.IsFalse(lhsEmpty.Overlaps(hs2));
Assert.IsFalse(lhsEmpty.Overlaps(hs3));
Assert.IsFalse(lhsEmpty.Overlaps(set1));
Assert.IsFalse(lhsEmpty.Overlaps(set2));
Assert.IsFalse(lhsEmpty.Overlaps(set3));
Assert.IsFalse(lhsEmpty.Overlaps(GetEnumerator(set1)));
Assert.IsFalse(lhsEmpty.Overlaps(GetEnumerator(set2)));
Assert.IsFalse(lhsEmpty.Overlaps(GetEnumerator(set3)));
Assert.IsFalse(lhs1.Overlaps(lhsEmpty));
Assert.IsTrue(lhs1.Overlaps(lhs2));
Assert.IsTrue(lhs1.Overlaps(lhs3));
Assert.IsFalse(lhs1.Overlaps(hsEmpty));
Assert.IsTrue(lhs1.Overlaps(hs2));
Assert.IsTrue(lhs1.Overlaps(hs3));
Assert.IsFalse(lhs1.Overlaps(setEmpty));
Assert.IsTrue(lhs1.Overlaps(set2));
Assert.IsTrue(lhs1.Overlaps(set3));
Assert.IsFalse(lhs1.Overlaps(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.Overlaps(GetEnumerator(set2)));
Assert.IsTrue(lhs1.Overlaps(GetEnumerator(set3)));
Assert.IsFalse(lhs2.Overlaps(lhsEmpty));
Assert.IsTrue(lhs2.Overlaps(lhs1));
Assert.IsTrue(lhs2.Overlaps(lhs3));
Assert.IsFalse(lhs2.Overlaps(hsEmpty));
Assert.IsTrue(lhs2.Overlaps(hs1));
Assert.IsTrue(lhs2.Overlaps(hs3));
Assert.IsFalse(lhs2.Overlaps(setEmpty));
Assert.IsTrue(lhs2.Overlaps(set1));
Assert.IsTrue(lhs2.Overlaps(set3));
Assert.IsFalse(lhs2.Overlaps(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs2.Overlaps(GetEnumerator(set1)));
Assert.IsTrue(lhs2.Overlaps(GetEnumerator(set3)));
Assert.IsFalse(lhs3.Overlaps(lhsEmpty));
Assert.IsTrue(lhs3.Overlaps(lhs1));
Assert.IsTrue(lhs3.Overlaps(lhs2));
Assert.IsFalse(lhs3.Overlaps(hsEmpty));
Assert.IsTrue(lhs3.Overlaps(hs1));
Assert.IsTrue(lhs3.Overlaps(hs2));
Assert.IsFalse(lhs3.Overlaps(setEmpty));
Assert.IsTrue(lhs3.Overlaps(set1));
Assert.IsTrue(lhs3.Overlaps(set2));
Assert.IsFalse(lhs3.Overlaps(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs3.Overlaps(GetEnumerator(set1)));
Assert.IsTrue(lhs3.Overlaps(GetEnumerator(set2)));
#endregion
#region IsSubsetOf
Assert.IsTrue(lhsEmpty.IsSubsetOf(lhsEmpty));
Assert.IsTrue(lhs1.IsSubsetOf(lhs1));
Assert.IsTrue(lhs2.IsSubsetOf(lhs2));
Assert.IsTrue(lhs3.IsSubsetOf(lhs3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(hsEmpty));
Assert.IsTrue(lhs1.IsSubsetOf(hs1));
Assert.IsTrue(lhs2.IsSubsetOf(hs2));
Assert.IsTrue(lhs3.IsSubsetOf(hs3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(setEmpty));
Assert.IsTrue(lhs1.IsSubsetOf(set1));
Assert.IsTrue(lhs2.IsSubsetOf(set2));
Assert.IsTrue(lhs3.IsSubsetOf(set3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.IsSubsetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs2.IsSubsetOf(GetEnumerator(set2)));
Assert.IsTrue(lhs3.IsSubsetOf(GetEnumerator(set3)));
Assert.IsTrue(lhsEmpty.IsSubsetOf(lhs1));
Assert.IsTrue(lhsEmpty.IsSubsetOf(lhs2));
Assert.IsTrue(lhsEmpty.IsSubsetOf(lhs3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(hs1));
Assert.IsTrue(lhsEmpty.IsSubsetOf(hs2));
Assert.IsTrue(lhsEmpty.IsSubsetOf(hs3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(set1));
Assert.IsTrue(lhsEmpty.IsSubsetOf(set2));
Assert.IsTrue(lhsEmpty.IsSubsetOf(set3));
Assert.IsTrue(lhsEmpty.IsSubsetOf(GetEnumerator(set1)));
Assert.IsTrue(lhsEmpty.IsSubsetOf(GetEnumerator(set2)));
Assert.IsTrue(lhsEmpty.IsSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs1.IsSubsetOf(lhsEmpty));
Assert.IsFalse(lhs1.IsSubsetOf(lhs2));
Assert.IsFalse(lhs1.IsSubsetOf(lhs3));
Assert.IsFalse(lhs1.IsSubsetOf(hsEmpty));
Assert.IsFalse(lhs1.IsSubsetOf(hs2));
Assert.IsFalse(lhs1.IsSubsetOf(hs3));
Assert.IsFalse(lhs1.IsSubsetOf(setEmpty));
Assert.IsFalse(lhs1.IsSubsetOf(set2));
Assert.IsFalse(lhs1.IsSubsetOf(set3));
Assert.IsFalse(lhs1.IsSubsetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs1.IsSubsetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs1.IsSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs2.IsSubsetOf(lhsEmpty));
Assert.IsTrue(lhs2.IsSubsetOf(lhs1));
Assert.IsTrue(lhs2.IsSubsetOf(lhs3));
Assert.IsFalse(lhs2.IsSubsetOf(hsEmpty));
Assert.IsTrue(lhs2.IsSubsetOf(hs1));
Assert.IsTrue(lhs2.IsSubsetOf(hs3));
Assert.IsFalse(lhs2.IsSubsetOf(setEmpty));
Assert.IsTrue(lhs2.IsSubsetOf(set1));
Assert.IsTrue(lhs2.IsSubsetOf(set3));
Assert.IsFalse(lhs2.IsSubsetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs2.IsSubsetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs2.IsSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs3.IsSubsetOf(lhsEmpty));
Assert.IsFalse(lhs3.IsSubsetOf(lhs1));
Assert.IsFalse(lhs3.IsSubsetOf(lhs2));
Assert.IsFalse(lhs3.IsSubsetOf(hsEmpty));
Assert.IsFalse(lhs3.IsSubsetOf(hs1));
Assert.IsFalse(lhs3.IsSubsetOf(hs2));
Assert.IsFalse(lhs3.IsSubsetOf(setEmpty));
Assert.IsFalse(lhs3.IsSubsetOf(set1));
Assert.IsFalse(lhs3.IsSubsetOf(set2));
Assert.IsFalse(lhs3.IsSubsetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs3.IsSubsetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs3.IsSubsetOf(GetEnumerator(set2)));
#endregion
#region IsProperSubsetOf
Assert.IsFalse(lhsEmpty.IsProperSubsetOf(lhsEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(lhs1));
Assert.IsFalse(lhs2.IsProperSubsetOf(lhs2));
Assert.IsFalse(lhs3.IsProperSubsetOf(lhs3));
Assert.IsFalse(lhsEmpty.IsProperSubsetOf(hsEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(hs1));
Assert.IsFalse(lhs2.IsProperSubsetOf(hs2));
Assert.IsFalse(lhs3.IsProperSubsetOf(hs3));
Assert.IsFalse(lhsEmpty.IsProperSubsetOf(setEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(set1));
Assert.IsFalse(lhs2.IsProperSubsetOf(set2));
Assert.IsFalse(lhs3.IsProperSubsetOf(set3));
Assert.IsFalse(lhsEmpty.IsProperSubsetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs1.IsProperSubsetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs2.IsProperSubsetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs3.IsProperSubsetOf(GetEnumerator(set3)));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(lhs1));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(lhs2));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(lhs3));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(hs1));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(hs2));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(hs3));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(set1));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(set2));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(set3));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(GetEnumerator(set1)));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(GetEnumerator(set2)));
Assert.IsTrue(lhsEmpty.IsProperSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs1.IsProperSubsetOf(lhsEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(lhs2));
Assert.IsFalse(lhs1.IsProperSubsetOf(lhs3));
Assert.IsFalse(lhs1.IsProperSubsetOf(hsEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(hs2));
Assert.IsFalse(lhs1.IsProperSubsetOf(hs3));
Assert.IsFalse(lhs1.IsProperSubsetOf(setEmpty));
Assert.IsFalse(lhs1.IsProperSubsetOf(set2));
Assert.IsFalse(lhs1.IsProperSubsetOf(set3));
Assert.IsFalse(lhs1.IsProperSubsetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs1.IsProperSubsetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs1.IsProperSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs2.IsProperSubsetOf(lhsEmpty));
Assert.IsTrue(lhs2.IsProperSubsetOf(lhs1));
Assert.IsTrue(lhs2.IsProperSubsetOf(lhs3));
Assert.IsFalse(lhs2.IsProperSubsetOf(hsEmpty));
Assert.IsTrue(lhs2.IsProperSubsetOf(hs1));
Assert.IsTrue(lhs2.IsProperSubsetOf(hs3));
Assert.IsFalse(lhs2.IsProperSubsetOf(setEmpty));
Assert.IsTrue(lhs2.IsProperSubsetOf(set1));
Assert.IsTrue(lhs2.IsProperSubsetOf(set3));
Assert.IsFalse(lhs2.IsProperSubsetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs2.IsProperSubsetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs2.IsProperSubsetOf(GetEnumerator(set3)));
Assert.IsFalse(lhs3.IsProperSubsetOf(lhsEmpty));
Assert.IsFalse(lhs3.IsProperSubsetOf(lhs1));
Assert.IsFalse(lhs3.IsProperSubsetOf(lhs2));
Assert.IsFalse(lhs3.IsProperSubsetOf(hsEmpty));
Assert.IsFalse(lhs3.IsProperSubsetOf(hs1));
Assert.IsFalse(lhs3.IsProperSubsetOf(hs2));
Assert.IsFalse(lhs3.IsProperSubsetOf(setEmpty));
Assert.IsFalse(lhs3.IsProperSubsetOf(set1));
Assert.IsFalse(lhs3.IsProperSubsetOf(set2));
Assert.IsFalse(lhs3.IsProperSubsetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs3.IsProperSubsetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs3.IsProperSubsetOf(GetEnumerator(set2)));
#endregion
#region IsSupersetOf
Assert.IsTrue(lhsEmpty.IsSupersetOf(lhsEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(lhs1));
Assert.IsTrue(lhs2.IsSupersetOf(lhs2));
Assert.IsTrue(lhs3.IsSupersetOf(lhs3));
Assert.IsTrue(lhsEmpty.IsSupersetOf(hsEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(hs1));
Assert.IsTrue(lhs2.IsSupersetOf(hs2));
Assert.IsTrue(lhs3.IsSupersetOf(hs3));
Assert.IsTrue(lhsEmpty.IsSupersetOf(setEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(set1));
Assert.IsTrue(lhs2.IsSupersetOf(set2));
Assert.IsTrue(lhs3.IsSupersetOf(set3));
Assert.IsTrue(lhsEmpty.IsSupersetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.IsSupersetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs2.IsSupersetOf(GetEnumerator(set2)));
Assert.IsTrue(lhs3.IsSupersetOf(GetEnumerator(set3)));
Assert.IsFalse(lhsEmpty.IsSupersetOf(lhs1));
Assert.IsFalse(lhsEmpty.IsSupersetOf(lhs2));
Assert.IsFalse(lhsEmpty.IsSupersetOf(lhs3));
Assert.IsFalse(lhsEmpty.IsSupersetOf(hs1));
Assert.IsFalse(lhsEmpty.IsSupersetOf(hs2));
Assert.IsFalse(lhsEmpty.IsSupersetOf(hs3));
Assert.IsFalse(lhsEmpty.IsSupersetOf(set1));
Assert.IsFalse(lhsEmpty.IsSupersetOf(set2));
Assert.IsFalse(lhsEmpty.IsSupersetOf(set3));
Assert.IsFalse(lhsEmpty.IsSupersetOf(GetEnumerator(set1)));
Assert.IsFalse(lhsEmpty.IsSupersetOf(GetEnumerator(set2)));
Assert.IsFalse(lhsEmpty.IsSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs1.IsSupersetOf(lhsEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(lhs2));
Assert.IsFalse(lhs1.IsSupersetOf(lhs3));
Assert.IsTrue(lhs1.IsSupersetOf(hsEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(hs2));
Assert.IsFalse(lhs1.IsSupersetOf(hs3));
Assert.IsTrue(lhs1.IsSupersetOf(setEmpty));
Assert.IsTrue(lhs1.IsSupersetOf(set2));
Assert.IsFalse(lhs1.IsSupersetOf(set3));
Assert.IsTrue(lhs1.IsSupersetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.IsSupersetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs1.IsSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs2.IsSupersetOf(lhsEmpty));
Assert.IsFalse(lhs2.IsSupersetOf(lhs1));
Assert.IsFalse(lhs2.IsSupersetOf(lhs3));
Assert.IsTrue(lhs2.IsSupersetOf(hsEmpty));
Assert.IsFalse(lhs2.IsSupersetOf(hs1));
Assert.IsFalse(lhs2.IsSupersetOf(hs3));
Assert.IsTrue(lhs2.IsSupersetOf(setEmpty));
Assert.IsFalse(lhs2.IsSupersetOf(set1));
Assert.IsFalse(lhs2.IsSupersetOf(set3));
Assert.IsTrue(lhs2.IsSupersetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs2.IsSupersetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs2.IsSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs3.IsSupersetOf(lhsEmpty));
Assert.IsFalse(lhs3.IsSupersetOf(lhs1));
Assert.IsTrue(lhs3.IsSupersetOf(lhs2));
Assert.IsTrue(lhs3.IsSupersetOf(hsEmpty));
Assert.IsFalse(lhs3.IsSupersetOf(hs1));
Assert.IsTrue(lhs3.IsSupersetOf(hs2));
Assert.IsTrue(lhs3.IsSupersetOf(setEmpty));
Assert.IsFalse(lhs3.IsSupersetOf(set1));
Assert.IsTrue(lhs3.IsSupersetOf(set2));
Assert.IsTrue(lhs3.IsSupersetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs3.IsSupersetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs3.IsSupersetOf(GetEnumerator(set2)));
#endregion
#region IsProperSupersetOf
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(lhsEmpty));
Assert.IsFalse(lhs1.IsProperSupersetOf(lhs1));
Assert.IsFalse(lhs2.IsProperSupersetOf(lhs2));
Assert.IsFalse(lhs3.IsProperSupersetOf(lhs3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(hsEmpty));
Assert.IsFalse(lhs1.IsProperSupersetOf(hs1));
Assert.IsFalse(lhs2.IsProperSupersetOf(hs2));
Assert.IsFalse(lhs3.IsProperSupersetOf(hs3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(setEmpty));
Assert.IsFalse(lhs1.IsProperSupersetOf(set1));
Assert.IsFalse(lhs2.IsProperSupersetOf(set2));
Assert.IsFalse(lhs3.IsProperSupersetOf(set3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs1.IsProperSupersetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs2.IsProperSupersetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs3.IsProperSupersetOf(GetEnumerator(set3)));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(lhs1));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(lhs2));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(lhs3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(hs1));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(hs2));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(hs3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(set1));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(set2));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(set3));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(GetEnumerator(set1)));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(GetEnumerator(set2)));
Assert.IsFalse(lhsEmpty.IsProperSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs1.IsProperSupersetOf(lhsEmpty));
Assert.IsTrue(lhs1.IsProperSupersetOf(lhs2));
Assert.IsFalse(lhs1.IsProperSupersetOf(lhs3));
Assert.IsTrue(lhs1.IsProperSupersetOf(hsEmpty));
Assert.IsTrue(lhs1.IsProperSupersetOf(hs2));
Assert.IsFalse(lhs1.IsProperSupersetOf(hs3));
Assert.IsTrue(lhs1.IsProperSupersetOf(setEmpty));
Assert.IsTrue(lhs1.IsProperSupersetOf(set2));
Assert.IsFalse(lhs1.IsProperSupersetOf(set3));
Assert.IsTrue(lhs1.IsProperSupersetOf(GetEnumerator(setEmpty)));
Assert.IsTrue(lhs1.IsProperSupersetOf(GetEnumerator(set2)));
Assert.IsFalse(lhs1.IsProperSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs2.IsProperSupersetOf(lhsEmpty));
Assert.IsFalse(lhs2.IsProperSupersetOf(lhs1));
Assert.IsFalse(lhs2.IsProperSupersetOf(lhs3));
Assert.IsTrue(lhs2.IsProperSupersetOf(hsEmpty));
Assert.IsFalse(lhs2.IsProperSupersetOf(hs1));
Assert.IsFalse(lhs2.IsProperSupersetOf(hs3));
Assert.IsTrue(lhs2.IsProperSupersetOf(setEmpty));
Assert.IsFalse(lhs2.IsProperSupersetOf(set1));
Assert.IsFalse(lhs2.IsProperSupersetOf(set3));
Assert.IsTrue(lhs2.IsProperSupersetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs2.IsProperSupersetOf(GetEnumerator(set1)));
Assert.IsFalse(lhs2.IsProperSupersetOf(GetEnumerator(set3)));
Assert.IsTrue(lhs3.IsProperSupersetOf(lhsEmpty));
Assert.IsFalse(lhs3.IsProperSupersetOf(lhs1));
Assert.IsTrue(lhs3.IsProperSupersetOf(lhs2));
Assert.IsTrue(lhs3.IsProperSupersetOf(hsEmpty));
Assert.IsFalse(lhs3.IsProperSupersetOf(hs1));
Assert.IsTrue(lhs3.IsProperSupersetOf(hs2));
Assert.IsTrue(lhs3.IsProperSupersetOf(setEmpty));
Assert.IsFalse(lhs3.IsProperSupersetOf(set1));
Assert.IsTrue(lhs3.IsProperSupersetOf(set2));
Assert.IsTrue(lhs3.IsProperSupersetOf(GetEnumerator(setEmpty)));
Assert.IsFalse(lhs3.IsProperSupersetOf(GetEnumerator(set1)));
Assert.IsTrue(lhs3.IsProperSupersetOf(GetEnumerator(set2)));
#endregion
#region Remove, Add and Contains
Assert.IsTrue(lhs1.Remove(7));
Assert.AreEqual(lhs1.Count, 8);
Assert.IsTrue(lhs1.SetEquals(lhs2));
Assert.IsFalse(lhs1.Remove(7));
Assert.AreEqual(lhs1.Count, 8);
Assert.IsTrue(lhs1.Add(0));
Assert.AreEqual(lhs1.Count, 9);
Assert.IsTrue(lhs1.SetEquals(lhs3));
Assert.IsFalse(lhs1.Add(0));
Assert.AreEqual(lhs1.Count, 9);
Assert.IsTrue(lhs1.Contains(3));
Assert.IsTrue(lhs1.Contains(0));
Assert.IsFalse(lhs1.Contains(7));
Assert.IsFalse(lhs3.Contains(7));
lhs1.Clear();
Assert.AreEqual(lhs1.Count, 0);
Assert.IsTrue(lhs1.SetEquals(lhsEmpty));
#endregion
#region ExceptWith
lhs1 = new LinkedHashSet <int>(set1);
lhs2 = new LinkedHashSet <int>(set2);
lhs3 = new LinkedHashSet <int>(set3);
lhs1.ExceptWith(lhs2);
Assert.AreEqual(lhs1.Count, 1);
Assert.IsTrue(lhs1.Contains(7));
lhs2.ExceptWith(lhs1);
Assert.IsTrue(lhs2.SetEquals(set2));
lhs1.ExceptWith(lhs3);
Assert.AreEqual(lhs1.Count, 1);
Assert.IsTrue(lhs1.Contains(7));
lhs3.ExceptWith(lhs2);
Assert.AreEqual(lhs3.Count, 1);
Assert.IsTrue(lhs3.Contains(0));
#endregion
#region UnionWith
lhs1 = new LinkedHashSet <int>(set1);
lhs2 = new LinkedHashSet <int>(set2);
lhs3 = new LinkedHashSet <int>(set3);
lhs1.UnionWith(lhs2);
Assert.IsTrue(lhs1.SetEquals(set1));
lhs3.UnionWith(lhs2);
Assert.IsTrue(lhs3.SetEquals(set3));
lhs3.UnionWith(lhs1);
Assert.IsTrue(lhs3.Contains(7));
Assert.IsTrue(lhs3.Contains(0));
Assert.AreEqual(lhs3.Count, 10);
#endregion
#region IntersectWith
lhs1 = new LinkedHashSet <int>(set1);
lhs2 = new LinkedHashSet <int>(set2);
lhs3 = new LinkedHashSet <int>(set3);
lhs1.IntersectWith(lhs2);
Assert.IsTrue(lhs1.SetEquals(set2));
lhs3.IntersectWith(lhs2);
Assert.IsTrue(lhs3.SetEquals(set2));
lhs1 = new LinkedHashSet <int>(set1);
lhs2 = new LinkedHashSet <int>(set2);
lhs3 = new LinkedHashSet <int>(set3);
lhs3.IntersectWith(lhs1);
Assert.IsFalse(lhs3.Contains(7));
Assert.IsFalse(lhs3.Contains(0));
Assert.AreEqual(lhs3.Count, 8);
Assert.IsTrue(lhs3.SetEquals(set2));
#endregion
#region SymmetricExceptWith
lhs1 = new LinkedHashSet <int>(set1);
lhs2 = new LinkedHashSet <int>(set2);
lhs3 = new LinkedHashSet <int>(set3);
lhs1.SymmetricExceptWith(lhs3);
Assert.AreEqual(lhs1.Count, 2);
Assert.IsTrue(lhs1.Contains(0));
Assert.IsTrue(lhs1.Contains(7));
lhs1.SymmetricExceptWith(lhs2);
Assert.AreEqual(lhs1.Count, 10);
#endregion
LinkedHashSet <int> lhs = new LinkedHashSet <int>();
for (int i = 0; i < set1.Length; i++)
{
lhs.Add(set1[i]);
}
List <int> set1a = new List <int>();
foreach (var i in lhs)
{
set1a.Add(i);
}
for (int i = 0; i < set1.Length; i++)
{
Assert.AreEqual(set1[i], set1a[i]);
}
lhs.Remove(7);
lhs.Add(0);
set1a.Clear();
foreach (var i in lhs)
{
set1a.Add(i);
}
for (int i = 0; i < set3.Length; i++)
{
Assert.AreEqual(set3[i], set1a[i]);
}
}