1#!/usr/bin/perl -w
2
3use strict;
4use Test::More tests => 3;
5
6use Class::DBI;
7
8package A;
9@A::ISA = qw(Class::DBI);
10__PACKAGE__->columns(Primary => 'id');
11
12package A::B;
13@A::B::ISA = 'A';
14__PACKAGE__->columns(All => qw(id b1));
15
16package A::C;
17@A::C::ISA = 'A';
18__PACKAGE__->columns(All => qw(id c1 c2 c3));
19
20package main;
21is join (' ', sort A->columns),    'id',          "A columns";
22is join (' ', sort A::B->columns), 'b1 id',       "A::B columns";
23is join (' ', sort A::C->columns), 'c1 c2 c3 id', "A::C columns";
24