public void AtFunctionShouldThrowExceptionWhenStackIsEmpty()
{
var stack = new MyStack();
int index = 4;
Assert.Throws <IndexOutOfRangeException>(() => stack.At(index));
}
public void AtFunctionShouldReturnProperElementFromIndex()
{
var stack = new MyStack();
int index = 0;
stack.Push(TEST_ELEMENT);
Assert.AreEqual(TEST_ELEMENT, stack.At(index));
}
public void AtFunctionShouldThrowExceptionWhenIndexIsGreaterThanStackSize()
{
var stack = new MyStack();
int index = 2;
stack.Push(TEST_ELEMENT);
Assert.Throws <IndexOutOfRangeException>(() => stack.At(index));
}
