public void PushAndPopItems()
{
Stack s = new Stack();
StackItem si = new StackItem(typeof(Int32), 22);
StackItem si2 = new StackItem(typeof(String), "vrezvr");
s.Push(si.Type, si.Value);
s.Push(si2.Type, si2.Value);
Assert.That(s.Count == 2, "2 item has been push in stack but there is actually {0} item in stack",s.Count);
StackItem sip = s.Pop();
Assert.That(sip.Type, Is.EqualTo(typeof(string)), "Bad initialisation of the type or Pop method");
Assert.That(sip.Value, Is.EqualTo("vrezvr"), "Bad initialisation of the value or Pop method");
Assert.That(s.Count == 1, "2 item has been push in stack and one has been pop but there is actually {0} item in stack", s.Count);
sip = s.FirstElement();
Assert.That(sip.Type, Is.EqualTo(typeof(Int32)), "Bad initialisation of the type or CurrentStack method");
Assert.That(sip.Value, Is.EqualTo(22), "Bad initialisation of the value or CurrentStack method");
sip = s.Pop();
Assert.That(s.Count == 0, "The stack has to be empty but there is still {0} items in", s.Count);
}
public void FirstStackCreated()
{
Stack s = new Stack();
Assert.That(s.Count == 0, "The stack is not empty : bad initialisation");
StackItem si = new StackItem(typeof(Int32), 22);
s.Push(si.Type, si.Value);
StackItem si2 = new StackItem(typeof(Int32), 54);
si2 = s.FirstElement();
Assert.That(s.Count != 0, "The stack is empty but si has been push on");
Assert.That(si2.Type, Is.EqualTo(typeof(Int32)), "Bad initialisation of the type");
Assert.That(si2.Value, Is.EqualTo(22), "Bad initialisation of the value");
}
