public void ExpressionWithAdditionAndClickChangeSgnTest() { calculator.AddNumber("5"); calculator.AddOperation("+"); calculator.AddNumber("1"); calculator.Counting(); Assert.AreEqual(6, Convert.ToDouble(calculator.CurrentEntry)); calculator.ChangeSgn(); Assert.AreEqual(-6, Convert.ToDouble(calculator.CurrentEntry)); calculator.AddNumber("6"); calculator.AddOperation("+"); calculator.AddNumber("3"); calculator.Counting(); Assert.AreEqual(-63, Convert.ToDouble(calculator.CurrentEntry)); }
/// <summary> /// Click change sgn button. /// </summary> private void buttonChangeSgn_Click(object sender, EventArgs e) => calculator.ChangeSgn();