public void Test_CompareTo()
{
MyDeque <int> deq = new MyDeque <int>();
deq.EnqueueLast(1);
deq.EnqueueLast(2);
deq.EnqueueLast(3);
deq.EnqueueLast(4);
MyDeque <int> deq2 = new MyDeque <int>();
deq2.EnqueueFirst(2);
deq2.EnqueueFirst(2);
Assert.AreEqual(deq.CompareTo(deq2), 1);
deq2.EnqueueFirst(2);
deq2.EnqueueFirst(2);
Assert.AreEqual(deq.CompareTo(deq2), 0);
deq2.EnqueueFirst(2);
deq2.EnqueueFirst(2);
Assert.AreEqual(deq.CompareTo(deq2), -1);
}
public void Test_PeekLast()
{
MyDeque <int> deq = new MyDeque <int>();
deq.EnqueueLast(1);
deq.EnqueueLast(2);
deq.EnqueueLast(3);
deq.EnqueueLast(4);
Assert.AreEqual(deq.PeekLast(), 4);
}
public void Test_EnqueueLast()
{
MyDeque <int> deq = new MyDeque <int>();
deq.EnqueueLast(1);
deq.EnqueueLast(2);
deq.EnqueueLast(3);
deq.EnqueueLast(4);
Assert.AreEqual(deq.Count, 4);
Assert.AreNotEqual(deq.PeekFirst(), deq.PeekLast());
}
public void Test_Clone()
{
MyDeque <int> deq1 = new MyDeque <int>();
MyDeque <int> deq2 = new MyDeque <int>();
deq1.EnqueueLast(1);
deq1.EnqueueLast(2);
deq1.EnqueueLast(3);
deq1.EnqueueLast(4);
deq2 = (MyDeque <int>)deq1.Clone();
Assert.AreEqual(deq1.Count, deq2.Count);
Assert.AreEqual(deq1.PeekLast(), deq2.PeekLast());
}
public void Test_DequeueLast()
{
MyDeque <int> deq = new MyDeque <int>();
deq.EnqueueLast(1);
deq.EnqueueLast(2);
deq.EnqueueLast(3);
deq.EnqueueLast(4);
int expected = deq.PeekLast();
int count1 = deq.Count;
int actual = deq.DequeueLast();
int count2 = deq.Count;
Assert.AreEqual(actual, expected);
Assert.AreNotEqual(count1, count2);
}
public void Test_GetEnumerator()
{
MyDeque <int> deq = new MyDeque <int>();
deq.EnqueueLast(1);
deq.EnqueueLast(2);
deq.EnqueueLast(3);
deq.EnqueueLast(4);
int[] numbers = new int[deq.Count];
foreach (int i in deq)
{
for (int n = 0; n < numbers.Length; n++)
{
numbers[n] = i;
}
}
Assert.AreEqual(deq.PeekLast(), numbers[deq.Count - 1]);
}
