--- /dev/null
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+use Moose::Util qw( add_method_modifier );
+
+my $COUNT = 0;
+{
+ package Foo;
+ use Moose;
+
+ sub foo { }
+ sub bar { }
+}
+
+is( exception {
+ add_method_modifier('Foo', 'before', [ ['foo', 'bar'], sub { $COUNT++ } ]);
+}, undef, 'method modifier with an arrayref' );
+
+isnt( exception {
+ add_method_modifier('Foo', 'before', [ {'foo' => 'bar'}, sub { $COUNT++ } ]);
+}, undef, 'method modifier with a hashref' );
+
+my $foo = Foo->new;
+$foo->foo;
+$foo->bar;
+is($COUNT, 2, "checking that the modifiers were installed.");
+
+
+done_testing;