use FindBin '$Bin'; use lib $Bin; use TestYAMLTests tests => 6; $YAML::XS::LoadBlessed = 1; my $a = Load(<<'...'); --- - !foo [1] - !Bar::Bar {fa: la} - !only lonely ... is ref($a), 'ARRAY', 'Load worked'; is ref($a->[0]), 'foo', 'Private tag works for array'; is ref($a->[1]), 'Bar::Bar', 'Private tag works for hash'; is ref($a->[2]), 'only', 'Private tag works for scalar'; is ${$a->[2]}, 'lonely', 'Scalar is correct'; like $a->[2], qr/^only=SCALAR/, 'Ref is SCALAR';