use Set::Object; print "1..7\n"; $a = Set::Object->new("a".."e"); $b = Set::Object->new("a".."e"); print "not " unless $a eq "Set::Object(a b c d e)"; print "ok 1 # $a\n"; my $cb = Set::Object->as_string_callback; Set::Object->as_string_callback(sub{join(",",sort shift->elements)}); print "not " unless $a eq "a,b,c,d,e"; print "ok 2 # $a\n"; $b->as_string_callback(sub{join("-",sort shift->elements)}); print "not " unless $b eq "a-b-c-d-e"; print "ok 3 # $b\n"; #print "not " unless $a eq "a,b,c,d,e"; print "ok 4 # Skip misplaced functionality\n"; Set::Object->as_string_callback($cb); print "not " unless "$a" eq "Set::Object(a b c d e)"; print "ok 5 # $a\n"; #print "not " unless $b eq "a-b-c-d-e"; print "ok 6 # Skip misplaced functionality\n"; $b->as_string_callback(undef); print "not " unless $b eq "Set::Object(a b c d e)"; print "ok 7 # $b\n";