public void ShouldCreateAddYearsExpression() { var factory = new DbExpressionFactory(); DbDateTimeFunctionExpression dateTimeFunctionExpression; dateTimeFunctionExpression = factory.AddYears(factory.Column("SomeDateTimeColumn"), factory.Constant(2)); ValidateDateTimeFunctionExpression(dateTimeFunctionExpression, DbDateTimeFunctionExpressionType.AddYears); }