public void Test_06_That_Minus_Four_And_Half_Divided_By_Zero_Does_Not_Crash()
{
// Arrange
const double firstNumber = -4.5f;
const double secondNumber = 0;
const string mathOperator = "/";
ICalculatorService service = new CalculatorService();
// Act
//Assert
Assert.Throws <ArgumentException>(() => service.CalculateDouble(firstNumber, secondNumber, mathOperator));
}
public void Test_04_That_Three_Divided_By_Two_Equals_One_Half()
{
// Arrange
const int firstNumber = 3;
const int secondNumber = 2;
const string mathOperator = "/";
ICalculatorService service = new CalculatorService();
// Act
//Assert
Assert.Throws <ArgumentException>(() => service.CalculateDouble(firstNumber, secondNumber, mathOperator));
}
public void Test_09_That_Minus_Four_And_Half_Divided_By_Zero_Does_Not_Crash()
{
// Arrange
const double firstNumber = -4.5f;
const double secondNumber = 0;
const string mathOperator = "÷";
const double expected = double.NegativeInfinity;
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateDouble(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_07_That_Three_Divided_By_Two_Equals_One_Half()
{
// Arrange
const double expected = 1.5f;
const int firstNumber = 3;
const int secondNumber = 2;
const string mathOperator = "÷";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateDouble(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_03_That_One_Half_Times_One_Half_Equals_One_Quarter()
{
// Arrange
const double expected = .25f;
const double firstNumber = .5f;
const double secondNumber = .5f;
const string mathOperator = "X";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateDouble(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_01_That_One_Half_Plus_One_Half_Equals_Three()
{
// Arrange
const int expected = 3;
const double firstNumber = 1.5f;
const double secondNumber = 1.5f;
const string mathOperator = "+";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateDouble(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}