public void ConsHeadTailTest()
{
const string data = "One Two Three One Three";
var queue = data.Split().Aggregate(BankersDeque <string> .Empty, (queue1, s) => BankersDeque <string> .Cons(s, queue1));
foreach (var expected in data.Split().Reverse())
{
var actual = BankersDeque <string> .Head(queue);
Assert.AreEqual(expected, actual);
queue = BankersDeque <string> .Tail(queue);
}
Assert.IsTrue(BankersDeque <string> .IsEmpty(queue));
}
public void EmptyTest()
{
var queue = BankersDeque <string> .Empty;
Assert.IsTrue(BankersDeque <string> .IsEmpty(queue));
queue = BankersDeque <string> .Cons("Head", queue);
Assert.IsFalse(BankersDeque <string> .IsEmpty(queue));
queue = BankersDeque <string> .Tail(queue);
Assert.IsTrue(BankersDeque <string> .IsEmpty(queue));
queue = BankersDeque <string> .Snoc(queue, "Tail");
Assert.IsFalse(BankersDeque <string> .IsEmpty(queue));
queue = BankersDeque <string> .Init(queue);
Assert.IsTrue(BankersDeque <string> .IsEmpty(queue));
}
public void EmptyTailTest()
{
var queue = BankersDeque <string> .Empty;
AssertThrows <ArgumentNullException>(() => BankersDeque <string> .Tail(queue));
}
