public void CanDetermineIfRealNumber()
{
var complex = new Complex(-1, 0);
Assert.IsTrue(complex.IsReal(), "Is a real number.");
}
public void CanDetermineIfRealNonNegativeNumber()
{
var complex = new Complex(1, 0);
Assert.IsTrue(complex.IsReal(), "Is a real non-negative number.");
}