--- /dev/null
+#!perl -T
+
+use strict;
+use warnings;
+
+use Test::More tests => 4;
+
+use CPANPLUS::Dist::Gentoo::Maps;
+
+our %gentooisms;
+*gentooisms = \%CPANPLUS::Dist::Gentoo::Maps::gentooisms;
+
+is scalar(keys %gentooisms), 71, 'gentooisms are all there';
+
+is $gentooisms{PathTools}, 'File-Spec', 'gentooisms were correctly loaded';
+
+is CPANPLUS::Dist::Gentoo::Maps::name_c2g('PathTools'), 'File-Spec', 'name_c2g maps gentooisms correctly';
+
+is CPANPLUS::Dist::Gentoo::Maps::name_c2g('CPANPLUS-Dist-Gentoo'), 'CPANPLUS-Dist-Gentoo', 'name_c2g returns non gentooisms correctly';