public void AddCharTest()
{
SimpleCalculatorServiceViewModel sp = new SimpleCalculatorServiceViewModel();
sp.AllCleaning ();
string str = "6";
sp.AddChar (str);
str = ".";
sp.AddChar (str);
str = ".";
sp.AddChar (str);
str = "8";
sp.AddChar (str);
Assert.AreEqual ("6.8", sp.DisplayText);
}
public void OperationAddTest()
{
SimpleCalculatorServiceViewModel sp = new SimpleCalculatorServiceViewModel();
string str = "+";
sp.AllCleaning ();
sp.AddChar ("9");
sp.OperationAdd (str);
Assert.AreEqual ("+", SimpleCalculatorServiceViewModel.s_Operation);
}