public void PersistentVectorTests()
{
IPersistentVector <int> target = new PersistentVector <int>();
target = target.Cons(1);
target = target.Cons(5);
target = target.Cons(10);
target = target.Cons(20);
Assert.AreEqual(4, target.Count);
Assert.AreEqual(4, target.Length());
Assert.AreEqual(20, target.Peek());
Assert.AreEqual(5, target.Nth(1));
Assert.AreEqual(5, target.ValAt(1));
Assert.AreEqual(5, target.ValAt(1, 666));
Assert.AreEqual(666, target.ValAt(5, 666));
Assert.AreEqual(5, target.EntryAt(1).Value);
Assert.IsTrue(target.ContainsKey(2));
target = target.Pop();
Assert.AreEqual(3, target.Count);
Assert.AreEqual(10, target.Peek());
target = target.AssocN(1, 9);
Assert.AreEqual(3, target.Count);
Assert.AreEqual(9, target.Nth(1));
try
{
target = target.AssocN(15, 8);
Assert.Fail();
}
catch (Exception)
{
//Expected exception
}
IPersistentVector <int> target2 = new PersistentVector <int>(new[] { 3, 56, 55, 8 });
IPersistentVector <int> target3 = new PersistentVector <int>(new[] { 3, 56, 55, 8 });
Assert.AreEqual(target2, target3);
Assert.AreEqual(target2, target3);
Assert.AreEqual(target2.GetHashCode(), target3.GetHashCode());
target = target.Cons(-9);
target = target.SubVec(2, 4);
Assert.AreEqual(2, target.Count);
Assert.AreEqual(10, target.Nth(0));
Assert.AreEqual(-9, target.Nth(1));
target = target.Without(10);
Assert.AreEqual(1, target.Count);
Assert.AreEqual(-9, target.Peek());
target = target.Empty();
Assert.AreEqual(0, target.Count);
}