use Set::Object;
require 't/object/Person.pm';
package Person;
populate();
$homer = $homer;
$patty = $patty;
$selma = $selma;
$simpsons = Set::Object->new($homer, $marge);
$bouviers = Set::Object->new($marge, $patty, $selma);
$trouble = Set::Object->new($homer, $patty, $selma);
$empty = Set::Object->new;
print "1..4\n";
print 'not ' unless $simpsons->symmetric_difference($bouviers) == $trouble;
print "ok 1\n";
print 'not ' unless $simpsons % $bouviers == $trouble;
print "ok 2\n";
print 'not ' unless $simpsons % $simpsons == $empty;
print "ok 3\n";
print 'not ' unless $simpsons % $empty == $simpsons;
print "ok 4\n";