public void Sys_identity_columns_null()
{
identity_columns i = new identity_columns();
List<identity_columns> il = i.ToList;
Assert.AreEqual<List<identity_columns>>(il, null);
}
public void Sys_identity_columns()
{
identity_columns i = new identity_columns(connStr);
List<identity_columns> il = i.ToList;
Assert.AreNotEqual<List<identity_columns>>(il, null);
}