private void AddAndRemoveTest(IStacksQueue <int> stacksQueue)
{
AddTest(stacksQueue);
RemoveHalf(stacksQueue);
AddTest(stacksQueue);
RemoveRest(stacksQueue);
}
private void RemoveHalf(IStacksQueue <int> stacksQueue)
{
for (int i = 0; i < _size / 2; i++)
{
int value = stacksQueue.Remove();
Assert.AreEqual(i, value);
}
}
private void AddTest(IStacksQueue <int> stacksQueue)
{
for (int i = 0; i < _size; i++)
{
stacksQueue.Add(i);
}
Assert.AreEqual(false, stacksQueue.IsEmpty());
}
private void RemoveRest(IStacksQueue <int> stacksQueue)
{
for (int i = _size / 2; i < _size; i++)
{
int value = stacksQueue.Remove();
Assert.AreEqual(i, value);
}
RemoveTest(stacksQueue);
}
private void RemoveTest(IStacksQueue <int> stacksQueue)
{
try
{
for (int i = 0; i < _size + 1; i++)
{
int value = stacksQueue.Remove();
Assert.AreEqual(i, value);
}
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("Queue is empty.", ex.Message);
}
}
private void RunTests(IStacksQueue <int> stacksQueue)
{
AddTest(stacksQueue);
RemoveTest(stacksQueue);
AddAndRemoveTest(stacksQueue);
}
