The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
#!/usr/bin/env perl
use strict;
use warnings;
use Test::More tests => 4;

package Foo;

sub new {
    my $class = shift;
    bless { @_ }, $class;
}

sub foo {
    my $self = shift;
    return $self->{foo} unless @_;
    $self->{foo} = shift;
}

package Foo::Mouse;
use Mouse;
use Any::Moose 'X::NonMoose';
extends 'Foo';

has bar => (
    is => 'rw',
);

package main;

my $foo_moose = Foo::Mouse->new(foo => 'FOO', bar => 'BAR');
is($foo_moose->foo, 'FOO', 'foo set in constructor');
is($foo_moose->bar, 'BAR', 'bar set in constructor');
$foo_moose->foo('BAZ');
$foo_moose->bar('QUUX');
is($foo_moose->foo, 'BAZ', 'foo set by accessor');
is($foo_moose->bar, 'QUUX', 'bar set by accessor');