--- /dev/null
+# Copyright 2014, Equinox Software, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+use strict;
+use warnings;
+
+use Test::More tests => 3;
+use Equinox::Migration::Utils qw/normalize_oclc_number/;
+
+is(normalize_oclc_number('ocm38548133'), '(OCoLC)38548133', 'prefixed with "ocm"');
+is(normalize_oclc_number(' ocm38548133 '), '(OCoLC)38548133', 'ignore leading/trailing whitespace');
+is(normalize_oclc_number('(OCoLC)ocm00123456'), '(OCoLC)123456', 'ignore leading zeroes in number');