public void Create_Stack_And_Verify_Empty()
{
// assign
var myStack = new MyGenericStack.MyStack <int>();
// act
// assert
myStack.Count.ShouldBe(0);
Should.Throw <InvalidOperationException>(
() => myStack.Pop()
);
Should.Throw <InvalidOperationException>(
() => myStack.Peek()
);
}
public void Push_And_Pop_Values()
{
// assign
var myStack = new MyGenericStack.MyStack <int>();
// act
myStack.Push(111);
myStack.Push(222);
myStack.Push(333);
myStack.Push(444);
myStack.Push(555);
// assert
myStack.Count.ShouldBe(5);
var scratch1 = myStack.Peek();
scratch1.ShouldBe(555);
var scratch2 = myStack.Pop();
scratch2.ShouldBe(555);
var scratch3 = myStack.Pop();
scratch3.ShouldBe(444);
myStack.Pop();
myStack.Pop();
myStack.Count.ShouldBe(1);
var scratch4 = myStack.Pop();
scratch4.ShouldBe(111);
myStack.Count.ShouldBe(0);
}
public void ReturnAnArray()
{
// assign
var myStack = new MyGenericStack.MyStack <int>();
// act
myStack.Push(111);
myStack.Push(222);
myStack.Push(333);
myStack.Push(444);
myStack.Push(555);
// assert
myStack.Count.ShouldBe(5);
var myStackArray = myStack.ToArray();
myStackArray.ShouldBeOfType <int[]>();
myStackArray[0].ShouldBe(555);
myStackArray[1].ShouldBe(444);
myStackArray[2].ShouldBe(333);
myStackArray[3].ShouldBe(222);
myStackArray[4].ShouldBe(111);
}
