public void CalculateTest()
{
StringBuilder sb = new StringBuilder("5+6/2*3");
StringBuilder sd = new StringBuilder("7*5+8/4");
Compute cm = new Compute(sb);
cm.DoTrans();
Compute cn = new Compute(sd);
cn.DoTrans();
double a = cm.Calculate();
double b = cn.Calculate();
Assert.AreEqual(a, 14);
Assert.AreEqual(b, 37);
}