public void Should_get_null_given_notnullSpecified_is_false()
 {
     HbmColumn column = new HbmColumn
         {
             notnullSpecified = false
         };
     bool? result = column.CanBeNull();
     result.ShouldBeNull();
 }
 public void Should_get__true__given_notnullSpecified_is_true_and_notnull_is_false()
 {
     HbmColumn column = new HbmColumn
         {
             notnullSpecified = true,
             notnull = false
         };
     bool? result = column.CanBeNull();
     result.ShouldNotBeNull();
     result.Value.ShouldBeTrue();
 }