--- /dev/null
+#!/usr/bin/perl
+use warnings;
+use strict;
+use Test::More tests => 6;
+
+BEGIN { use_ok("IkiWiki"); }
+
+is(IkiWiki::titlepage("foo bar"), "foo_bar");
+is(IkiWiki::titlepage("foo bar baz"), "foo_bar_baz");
+is(IkiWiki::titlepage("foo bar/baz"), "foo_bar/baz");
+is(IkiWiki::titlepage("foo bar&baz"), "foo_bar__38__baz");
+is(IkiWiki::titlepage("foo bar & baz"), "foo_bar___38___baz");