--- /dev/null
+#!perl -Tw
+
+use warnings;
+use strict;
+use Test::More tests => 8;
+
+BEGIN {
+ use_ok( 'WWW::Mechanize' );
+}
+
+my @aliases = WWW::Mechanize::known_agent_aliases();
+is( scalar @aliases, 6, 'All aliases accounted for' );
+
+for my $alias ( @aliases ) {
+ like( $alias, qr/^(Mac|Windows|Linux) /, 'We only know Mac, Windows or Linux' );
+}