public void CheckGetLast()
{
StackStorage stack = new StackStorage();
stack.addMathToStack("4 + 3");
stack.addMathToStack("23 + 23");
string expectedResult = "23 + 23";
string actualResult = stack.getLastProblem();
Assert.AreEqual(expectedResult, actualResult);
}
public void CheckIfAddingToStack()
{
StackStorage stack = new StackStorage();
stack.addMathToStack("4 + 3");
string expectedResult = "4 + 3";
string actualResult = stack.Stack.Peek().ToString();
Assert.AreEqual(expectedResult, actualResult);
}