public void Test_06_That_Minus_Four_And_Half_Divided_By_Zero_Does_Not_Crash()
{
// Arrange
const float firstNumber = -4.5f;
const float secondNumber = 0;
const string mathOperator = "/";
ICalculatorService service = new CalculatorService();
// Act
//Assert
Assert.Throws <ArgumentException>(() => service.CalculateFloat(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.CalculateFloat(firstNumber, secondNumber, mathOperator));
}
public void Test_That_Four_Divided_By_Zero_Does_Not_Crash()
{
// Arrange
const float expected = float.PositiveInfinity;
const float firstNumber = 4;
const float secondNumber = 0;
const string mathOperator = "÷";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_That_Four_Divided_By_Two_Equals_Two()
{
// Arrange
const float expected = 2;
const float firstNumber = 4;
const float secondNumber = 2;
const string mathOperator = "÷";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_That_Four_Times_One_Equals_Four()
{
// Arrange
const float expected = 4;
const float firstNumber = 4;
const float secondNumber = 1;
const string mathOperator = "X";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_02_That_One_Half_Minus_One_Quarter_Equals_One_Quarter()
{
// Arrange
const float expected = .25f;
const float firstNumber = 0.5f;
const float secondNumber = .25f;
const string mathOperator = "-";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(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 float firstNumber = 1.5f;
const float secondNumber = 1.5f;
const string mathOperator = "+";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
public void Test_07_That_Three_Divided_By_Two_Equals_One_Half()
{
// Arrange
const float expected = 1.5f;
const int firstNumber = 3;
const int secondNumber = 2;
const string mathOperator = "÷";
ICalculatorService service = new CalculatorService();
// Act
var actual = service.CalculateFloat(firstNumber, secondNumber, mathOperator);
//Assert
Assert.AreEqual(expected, actual);
}
