public void WhenPushedTwoValuesLatestIsReturnedByPop()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
int returnedValue = stack.Pop();
Assert.AreEqual(secondValue, returnedValue);
}
public void WhenPushedTwoValuesLatestIsReturnedByPop()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
int returnedValue = stack.Pop();
Assert.AreEqual(secondValue, returnedValue);
}
public void PoppedValueIsRemovedFromStack()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
stack.Pop();
int returnedValue = stack.Pop();
Assert.AreEqual(firstValue, returnedValue);
}
public void PeekDoesNotRemoveValueFromStack()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
stack.Peek();
int returnedValue = stack.Pop();
Assert.AreEqual(secondValue, returnedValue);
}
public void GetMaxReturnsMaxValue()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 25;
int thirdValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
stack.Push(thirdValue);
int returnedValue = stack.GetMax();
Assert.AreEqual(secondValue, returnedValue);
}
public void GetMaxReturnsMaxValue()
{
LargestElementInStack stack = new LargestElementInStack();
int firstValue = 10;
int secondValue = 25;
int thirdValue = 15;
stack.Push(firstValue);
stack.Push(secondValue);
stack.Push(thirdValue);
int returnedValue = stack.GetMax();
Assert.AreEqual(secondValue, returnedValue);
}
public void ThrowsInvalidOperationExceptionWhilePopOnEmptyStack()
{
LargestElementInStack stack = new LargestElementInStack();
Assert.Throws(typeof(InvalidOperationException), () => stack.Pop());
}
public void ThrowsInvalidOperationExceptionWhilePopOnEmptyStack()
{
LargestElementInStack stack = new LargestElementInStack();
Assert.Throws(typeof(InvalidOperationException), () => stack.Pop());
}
