public void DoesIsEmptyReturnsTrueWhenStackIsEmpty()
{
LinkedListTypedStack stack = new LinkedListTypedStack();
bool expected = true;
bool actual = stack.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void DoesIsEmptyReturnsFaleWhenStackIsNotEmpty() // Depends on push() method
{
LinkedListTypedStack stack = new LinkedListTypedStack();
stack.Push(1);
bool expected = false;
bool actual = stack.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void DoesPopMethodRetrieveTopWhenStackHasOnlyOneElement()
{
LinkedListTypedStack stack = new LinkedListTypedStack();
stack.Push(1);
int expected = 1;
int actual = ((Node)stack.Pop()).Data;
Assert.AreEqual(expected, actual);
Assert.AreEqual(true, stack.IsEmpty());
Assert.IsNull(stack.Top);
}