public void If_the_stack_is_not_epty_the_cout_return_nonzero()
{
var stack = new LajtiStack();
stack.Push(1);
Assert.That(stack.Count, Is.EqualTo(1));
stack.Push(2);
Assert.That(stack.Count, Is.EqualTo(2));
}
public void When_put_two_items_to_the_stack_then_cout()
{
var stack = new LajtiStack();
stack.Push(123);
stack.Push(456);
var result = stack.Pop();
Assert.That(result, Is.EqualTo(456));
}
public void if_pop_the_last_elemet_of_stack_the_stack_does_not_contain_it_anymore()
{
var stack = new LajtiStack();
stack.Push(456);
stack.Push(999);
var result1 = stack.Pop();
var result2 = stack.Pop();
Assert.That(result2, Is.EqualTo(456));
}
public void if_peak_the_last_elemet_of_stack_the_stack_still_contain_it()
{
var stack = new LajtiStack();
stack.Push(456);
stack.Push(999);
var result1 = stack.Peek();
var result2 = stack.Peek();
Assert.That(result1, Is.EqualTo(999));
Assert.That(result2, Is.EqualTo(999));
}
public void whent_the_stack_notepty_the_IsEmpty_is_false()
{
var stack = new LajtiStack();
stack.Push(456);
Assert.That(stack.IsEmpty, Is.False);
}
public void WhenAnItemIsAddedToTheStackThenTheNumberOfItemsIsOneAndtheStackIsNotEmptyAnyMore()
{
var stack = new LajtiStack();
stack.Push(123);
Assert.That(stack.IsEmpty, Is.False);
}
public void if_the_stack_lenght_is_one_and_pop_that_the_isEmpty_is_true()
{
var stack = new LajtiStack();
stack.Push(456);
stack.Pop();
Assert.That(stack.IsEmpty, Is.True);
}
public void when_OneItem_Added_I_Can_Popp_It()
{
var stack = new LajtiStack();
stack.Push(123);
var result = stack.Pop();
Assert.That(result, Is.EqualTo(123));
}