public void TestTop()
{
StackOfInt SOI = new StackOfInt();
double expResult = 2;
SOI.Push(expResult);
double result = SOI.Top();
Assert.AreEqual(expResult, result);
double expResult2 = 3;
SOI.Push(expResult2);
double result2 = SOI.Top();
Assert.AreEqual(expResult2, result2);
}