public void PrimaryKey()
{
TesteObj obj = new TesteObj();
Assert.IsNotNull(obj.GetPrimaryKeys(), "PrimaryKey is null");
Assert.AreEqual(1, obj.GetPrimaryKeys().Count, "PrimaryKey size is not 1");
Assert.AreEqual("ID", ((PropertyInfo) obj.GetPrimaryKeys()[0]).Name, "PrimaryKey not found");
Assert.AreEqual("Cod", ((Column)((PropertyInfo) obj.GetPrimaryKeys()[0]).GetCustomAttributes(typeof(Column), true)[0]).Name, "PrimaryKey properties not found");
}