static void Task5()
{
Console.WriteLine("Task 5: Complex numbers");
Console.WriteLine("Enter two complex numbers a+bi and c+di");
Task5.ComplexNumber x = new Task5.ComplexNumber();
Console.WriteLine("enter a");
x.RealPart = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("enter b");
x.ImaginaryPart = Convert.ToDouble(Console.ReadLine());
Task5.ComplexNumber y = new Task5.ComplexNumber();
Console.WriteLine("enter c");
y.RealPart = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("enter d");
y.ImaginaryPart = Convert.ToDouble(Console.ReadLine());
Console.WriteLine($"Your entered two numbers: {x.RealPart} + {x.ImaginaryPart}i and {y.RealPart} + {y.ImaginaryPart}i)");
Console.WriteLine($"Sum of them is");
x.Add(y).WriteNumber();
Console.WriteLine($"Multiplying is");
Task5.ComplexNumber z = new Task5.ComplexNumber();
z = x * y;
z.WriteNumber();
Console.WriteLine($"Dividing is");
z = x / y;
z.WriteNumber();
}
public void DividingByZeroTest()
{
var number1 = new Task5.ComplexNumber(-4, 6);
var number2 = new Task5.ComplexNumber(0, 0);
Task5.ComplexNumber result;
Assert.Throws <DivideByZeroException>(() => result = number1 / number2);
}
public void MultiplicationTest()
{
var number1 = new Task5.ComplexNumber(4, 6);
var number2 = new Task5.ComplexNumber(13, -2);
var expected = new Task5.ComplexNumber(64, 70);
Task5.ComplexNumber result = number1 * number2;
Assert.AreEqual(expected.RealPart, result.RealPart, 2);
Assert.AreEqual(expected.ImaginaryPart, result.ImaginaryPart, 2);
}
public void DivisionTest()
{
var number1 = new Task5.ComplexNumber(4, 6);
var number2 = new Task5.ComplexNumber(13, -2);
var expected = new Task5.ComplexNumber(0.23, 0.49);
Task5.ComplexNumber result = number1 / number2;
Assert.AreEqual(expected.RealPart, result.RealPart, 2);
Assert.AreEqual(expected.ImaginaryPart, result.ImaginaryPart, 2);
}
