use Class::MethodMaker [
    new => 'new',
    scalar => [
        { -type => 'Some::Class', -default_ctor => 'new' },
        'some_class',
    ],
];

##</code><code>##

$object->some_class_reset();
ok(
    !$object->some_class_isset(),
    "I just reset the damn thing, so it shouldn't be set yet!",
);