/// <summary>
/// Creates a deque whose first element does not coincide with a block boundary
/// </summary>
/// <param name="count">Number of items the deque will be filled with</param>
/// <returns>The newly created deque</returns>
private static Deque <int> createNonNormalizedDeque(int count)
{
Deque <int> intDeque = new Deque <int>(16);
for (int item = 4; item < count; ++item)
{
intDeque.AddLast(item);
}
if (count > 3)
{
intDeque.AddFirst(3);
}
if (count > 2)
{
intDeque.AddFirst(2);
}
if (count > 1)
{
intDeque.AddFirst(1);
}
if (count > 0)
{
intDeque.AddFirst(0);
}
return(intDeque);
}
public void TestRemoveAtNonNormalized()
{
for (int testedIndex = 0; testedIndex < 96; ++testedIndex)
{
Deque <int> intDeque = new Deque <int>(16);
for (int item = 4; item < 96; ++item)
{
intDeque.AddLast(item);
}
intDeque.AddFirst(3);
intDeque.AddFirst(2);
intDeque.AddFirst(1);
intDeque.AddFirst(0);
intDeque.RemoveAt(testedIndex);
Assert.AreEqual(95, intDeque.Count);
for (int index = 0; index < testedIndex; ++index)
{
Assert.AreEqual(index, intDeque[index]);
}
for (int index = testedIndex; index < 95; ++index)
{
Assert.AreEqual(index + 1, intDeque[index]);
}
}
}
public void TestInvalidatedEnumeratorDetection()
{
Deque <int> intDeque = createDeque(8);
using (IEnumerator <int> enumerator = intDeque.GetEnumerator()) {
Assert.IsTrue(enumerator.MoveNext());
intDeque.AddFirst(12345);
Assert.Throws <InvalidOperationException>(
delegate() { enumerator.MoveNext(); }
);
}
}
public void TestAddFirst()
{
Deque <int> intDeque = new Deque <int>(16);
for (int item = 0; item < 48; ++item)
{
intDeque.AddFirst(item);
}
for (int item = 0; item < 48; ++item)
{
Assert.AreEqual(47 - item, intDeque[item]);
}
}
public void TestRemoveAtEmptiesLeftBlock()
{
Deque <int> intDeque = new Deque <int>(16);
for (int item = 1; item <= 16; ++item)
{
intDeque.AddLast(item);
}
intDeque.AddFirst(0);
intDeque.RemoveAt(3);
Assert.AreEqual(16, intDeque.Count);
for (int index = 0; index < 3; ++index)
{
Assert.AreEqual(index, intDeque[index]);
}
for (int index = 3; index < 16; ++index)
{
Assert.AreEqual(index + 1, intDeque[index]);
}
}