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use strict;
use warnings;
use Test::More;
use Class::MOP;
do {
package Grandparent;
use metaclass;
package Parent;
use metaclass;
use base 'Grandparent';
package Uncle;
use metaclass;
use base 'Grandparent';
package Son;
use metaclass;
use base 'Parent';
package Daughter;
use metaclass;
use base 'Parent';
package Cousin;
use metaclass;
use base 'Uncle';
};
is_deeply([sort Grandparent->meta->subclasses], ['Cousin', 'Daughter', 'Parent', 'Son', 'Uncle']);
is_deeply([sort Parent->meta->subclasses], ['Daughter', 'Son']);
is_deeply([sort Uncle->meta->subclasses], ['Cousin']);
is_deeply([sort Son->meta->subclasses], []);
is_deeply([sort Daughter->meta->subclasses], []);
is_deeply([sort Cousin->meta->subclasses], []);
is_deeply([sort Grandparent->meta->direct_subclasses], ['Parent', 'Uncle']);
is_deeply([sort Parent->meta->direct_subclasses], ['Daughter', 'Son']);
is_deeply([sort Uncle->meta->direct_subclasses], ['Cousin']);
is_deeply([sort Son->meta->direct_subclasses], []);
is_deeply([sort Daughter->meta->direct_subclasses], []);
is_deeply([sort Cousin->meta->direct_subclasses], []);
done_testing;
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