public void TestDivZeroComplex()
{
MyComplex a = new MyComplex(1, 2);
MyComplex b = new MyComplex();
Assert.Throws <DivideByZeroException>(() => a.Divide(b));
}
public void TestDivComplex()
{
MyComplex f1 = new MyComplex(1, 2);
MyComplex f2 = new MyComplex(3, -4);
var quot = f1 / f2;
Assert.True(quot == f1.Divide(f2));
Assert.True(quot.Re == -5 / 25.0);
Assert.True(quot.Im == 10 / 25.0);
}