public void NotCalculatedTest()
{
//Arrange
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
//Assert
Assert.Null(calculator.Result);
Assert.Null(calculator.FirstValue);
Assert.Null(calculator.SecondValue);
}
public void DivideTest()
{
//Arrange
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
//Act
var expected = 4;
var result = calculator.Calculate(12, 3, Operation.Divide);
//Assert
Assert.Equal(expected, result);
}
public void MultiplyTest()
{
//Arrange
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
//Act
var expected = 9;
var result = calculator.Calculate(3, 3, Operation.Multiply);
//Assert
Assert.Equal(expected, result);
}
public void SubtractTest()
{
//Arrange
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
//Act
var expected = 3;
var result = calculator.Calculate(7, 4, Operation.Subtract);
//Assert
Assert.Equal(expected, result);
}
public void AddTest()
{
//Arrange
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
//Act
var expected = 6;
var result = calculator.Calculate(2, 4, Operation.Add);
//Assert
Assert.Equal(expected, result);
}
static void Main(string[] args)
{
double firstValue, secondValue;
byte choose;
while (true)
{
Console.WriteLine("enter the first value");
var firstValueInput = Console.ReadLine();
if (!double.TryParse(firstValueInput, out firstValue))
{
break;
}
Console.WriteLine("enter the second value");
var secondValueInput = Console.ReadLine();
if (!double.TryParse(secondValueInput, out secondValue))
{
break;
}
Console.WriteLine(
"choose th operation:\n" +
"0 - add\n" +
"1 - subtract\n" +
"2 - multiply\n" +
"3 - divide\n"
);
var chooseInput = Console.ReadLine();
if (!byte.TryParse(chooseInput, out choose))
{
break;
}
var calculator = new ConsoleCalculatorCreator().CreateCalculator();
var op = (Operation)choose;
try
{
calculator.Calculate(firstValue, secondValue, op);
calculator.ShowResult();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
}
