--- /dev/null
+use strict;
+use warnings;
+
+use File::Find::Rule;
+use Module::Info;
+
+use Test::More qw( no_plan );
+
+
+my %versions;
+for my $pm_file ( File::Find::Rule->file->name( qr/\.pm$/ )->in('lib' ) ) {
+ my $mod = Module::Info->new_from_file($pm_file);
+
+ ( my $stripped_file = $pm_file ) =~ s{^lib/}{};
+
+ $versions{$stripped_file} = $mod->version;
+}
+
+my $cmop_ver = $versions{'Class/MOP.pm'};
+
+for my $module ( grep { $_ ne 'Class/MOP.pm' } sort keys %versions ) {
+ is( $versions{$module}, $cmop_ver,
+ "version for $module is the same as in Cmop.pm" );
+}