public void kilometersToMiles()
{
double kilometers = 26.2;
Assert.AreEqual(16.28, Calculator.KilometersToMiles(kilometers));
kilometers = 33.6;
Assert.AreEqual(20.88, Calculator.KilometersToMiles(kilometers));
kilometers = -44.44;
Assert.AreEqual(0, Calculator.MilesToKilometers(kilometers));
}