public void HandleButtonPlusTest()
{
_calculatorHelper = new CalculatorHelper();
_calculatorHelper.HandleButton1();
_calculatorHelper.HandleButtonPlus();
Assert.AreEqual("1 +", CalculatorHelper.DisplayText);
}
public void StateIsEnteringOperand2Test()
{
_calculatorHelper = new CalculatorHelper();
// 1 + 1
_calculatorHelper.HandleButton1();
_calculatorHelper.HandleButtonPlus();
_calculatorHelper.HandleButton1();
Assert.AreEqual(CalculatorStates.EnteringOperand2, CalculatorHelper.State);
}
public void DisplayShowsOnePlusOneTest()
{
_calculatorHelper = new CalculatorHelper();
// 1 + 1
_calculatorHelper.HandleButton1();
_calculatorHelper.HandleButtonPlus();
_calculatorHelper.HandleButton1();
Assert.AreEqual("1 + 1", CalculatorHelper.DisplayText);
Assert.AreEqual(1, CalculatorHelper.Operand2);
}
