TIL about System.Version

gistfile1.cs

    public class version_test
    {
         [Test]
         public void test1()
         {
             Assert.That(new Version(1,0), Is.LessThan(new Version(2,0)));
             Assert.That(new Version(1,5), Is.LessThan(new Version(2,0)));
             Assert.That(new Version(1,int.MaxValue), Is.LessThan(new Version(2,0)));

             Assert.That(new Version(2,0), Is.EqualTo(new Version(2,0)));

             Assert.That(new Version(2,1), Is.GreaterThan(new Version(2,0)));
             Assert.That(new Version(2,5), Is.GreaterThan(new Version(2,0)));
             Assert.That(new Version(2,int.MaxValue), Is.GreaterThan(new Version(2,0)));
         }
    }