use warnings;
use strict;
-use Test::More tests => 71;
+use Test::More tests => 75;
use lib 'lib';
cmp_ok( $o->get( 'foo' ), 'eq', 'baz', 'get foo = baz' );
+ok( $o->set( 'test-undef' => 42 ), 'set test-undef' );
+ok( $o->set( 'test-undef' => undef ), 'set undef' );
+ok( ! defined $o->get( 'test-undef' ), 'get undef' );
+diag $o->exists( 'test-undef' );
+ok( $o->exists( 'test-undef' ), 'exists undef' );
+
$o->del('non-existant');
ok( ! $o->exists( 'non-existant' ), 'exists non-existant' );