public void TestLengths2DValue()
        {
            Assert.AreEqual(10d, SquareLength.FromMeter(10d).Meter, DoubleDelta);

            Assert.AreEqual(10d, SquareLength.FromMile(10d).Mile, DoubleDelta);
            Assert.AreEqual(10d, SquareLength.FromSeaMile(10d).SeaMile, DoubleDelta);
            Assert.AreEqual(10d, SquareLength.FromFeet(10d).Feet, DoubleDelta);
            Assert.AreEqual(10d, SquareLength.FromYard(10d).Yard, DoubleDelta);

            Assert.AreEqual(10d, SquareLength.FromAr(10d).Ar, DoubleDelta);
            Assert.AreEqual(10d, SquareLength.FromHectar(10d).Hectar, DoubleDelta);
        }
 public void TestLengths2DConvert()
 {
     Assert.AreEqual(10d, SquareLength.FromAr(1000d).Hectar, DoubleDelta);
     Assert.AreEqual(100d, SquareLength.FromMeter(1000d).GetHectar(UnitPrefix.Milli), DoubleDelta);
 }