use strict;

use warnings;

use Test::More;

use CPAN::Changes;

my $changes = CPAN::Changes->load_string(<<'END_CHANGES');

1.05 2011-04-17

    [A]

    - stuff

    [B]

    - mo' stuff

1.04 2011-04-16

    [C]

    - stuff

    [D]

    - mo' stuff

END_CHANGES

like $changes->serialize => expected_order(qw/ A B C D/ );

like $changes->serialize( group_sort => \&reverse_order ) => expected_order(qw/ B A D C/ );

my ($release) = reverse $changes->releases;

like $release->serialize => expected_order(qw/ A B / );

like $release->serialize( group_sort => \&reverse_order ) => expected_order(qw/ B A / );

is_deeply [ $release->groups ], [qw/ A B /]; 

is_deeply [ $release->groups( sort => \&reverse_order ) ], [qw/ B A /]; 

sub reverse_order {

    return reverse sort @_;

}

sub expected_order {

    my @groups = @_;

    my $re = join '.*', map { "\\[$_\\]" } @groups;

    return qr/$re/s;

}

done_testing;