--- /dev/null
+use strict;
+use warnings FATAL => 'all';
+use Test::More;
+use Test::Fatal;
+
+is exception {
+ package RoleA;
+ use Moo::Role;
+ requires 'method_b';
+ requires 'attr_b';
+ sub method_a {}
+ has attr_a => (is => 'ro');
+}, undef, 'define role a';
+
+is exception {
+ package RoleB;
+ use Moo::Role;
+ requires 'method_a';
+ requires 'attr_a';
+ sub method_b {}
+ has attr_b => (is => 'ro');
+}, undef, 'define role a';
+
+is exception {
+ package RoleC;
+ use Moo::Role;
+ with 'RoleA', 'RoleB';
+ 1;
+}, undef, 'compose roles with mutual requires into role';
+
+is exception {
+ package PackageWithPrecomposed;
+ use Moo;
+ with 'RoleC';
+ 1;
+}, undef, 'compose precomposed roles into package';
+
+is exception {
+ package PackageWithCompose;
+ use Moo;
+ with 'RoleA', 'RoleB';
+ 1;
+}, undef, 'compose roles with mutual requires into package';
+
+done_testing;