private static void TestEnumerator(Deque <int> deque)
{
deque.Clear();
PopulateDequePushBack(deque);
IEnumerator <int> e = deque.GetEnumerator();
try
{
int item = e.Current;
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
foreach (int item in deque)
{
Debug.Assert(e.MoveNext());
}
Debug.Assert(!e.MoveNext());
int o = e.Current;
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
e.Reset();
foreach (int item in deque)
{
Debug.Assert(e.MoveNext());
}
Debug.Assert(!e.MoveNext());
int o = e.Current;
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
deque.PushBack(deque.Count);
e.Reset();
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
e.MoveNext();
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public Enumerator(Deque <T> owner)
{
this.owner = owner;
currentNode = owner.front;
version = owner.version;
}
private static void TestCopyTo(Deque <int> deque)
{
deque.Clear();
PopulateDequePushBack(deque);
int[] array = new int[deque.Count];
deque.CopyTo(array, 0);
foreach (int i in deque)
{
Debug.Assert(array[i] == i);
}
array = new int[deque.Count * 2];
deque.CopyTo(array, deque.Count);
foreach (int i in deque)
{
Debug.Assert(array[i + deque.Count] == i);
}
array = new int[deque.Count];
try
{
deque.CopyTo(null, deque.Count);
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
deque.CopyTo(array, -1);
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
deque.CopyTo(array, deque.Count / 2);
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
deque.CopyTo(array, deque.Count);
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
try
{
deque.CopyTo(new int[10, 10], deque.Count);
Debug.Fail("Exception failed");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}