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diff --git a/t/030_roles/failing/012_method_exclusion_in_composition.t b/t/030_roles/failing/012_method_exclusion_in_composition.t
new file mode 100644
index 0000000..d852b17
--- /dev/null
+++ b/t/030_roles/failing/012_method_exclusion_in_composition.t
@@ -0,0 +1,115 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 19;
+use Test::Exception;
+
+
+
+{
+    package My::Role;
+    use Mouse::Role;
+
+    sub foo { 'Foo::foo' }
+    sub bar { 'Foo::bar' }
+    sub baz { 'Foo::baz' }
+
+    package My::Class;
+    use Mouse;
+
+    with 'My::Role' => { -excludes => 'bar' };
+}
+
+ok(My::Class->meta->has_method($_), "we have a $_ method") for qw(foo baz);
+ok(!My::Class->meta->has_method('bar'), '... but we excluded bar');
+
+{
+    package My::OtherRole;
+    use Mouse::Role;
+
+    with 'My::Role' => { -excludes => 'foo' };
+
+    sub foo { 'My::OtherRole::foo' }
+    sub bar { 'My::OtherRole::bar' }
+}
+
+ok(My::OtherRole->meta->has_method($_), "we have a $_ method") for qw(foo bar baz);
+
+ok(!My::OtherRole->meta->requires_method('foo'), '... and the &foo method is not required');
+ok(My::OtherRole->meta->requires_method('bar'), '... and the &bar method is required');
+
+{
+    package Foo::Role;
+    use Mouse::Role;
+
+    sub foo { 'Foo::Role::foo' }
+
+    package Bar::Role;
+    use Mouse::Role;
+
+    sub foo { 'Bar::Role::foo' }
+
+    package Baz::Role;
+    use Mouse::Role;
+
+    sub foo { 'Baz::Role::foo' }
+
+    package My::Foo::Class;
+    use Mouse;
+
+    ::lives_ok {
+        with 'Foo::Role' => { -excludes => 'foo' },
+             'Bar::Role' => { -excludes => 'foo' },
+             'Baz::Role';
+    } '... composed our roles correctly';
+
+    package My::Foo::Class::Broken;
+    use Mouse;
+
+    ::throws_ok {
+        with 'Foo::Role',
+             'Bar::Role' => { -excludes => 'foo' },
+             'Baz::Role';
+    } qr/Due to a method name conflict in roles 'Baz::Role' and 'Foo::Role', the method 'foo' must be implemented or excluded by 'My::Foo::Class::Broken'/,
+      '... composed our roles correctly';
+}
+
+{
+    my $foo = My::Foo::Class->new;
+    isa_ok($foo, 'My::Foo::Class');
+    can_ok($foo, 'foo');
+    is($foo->foo, 'Baz::Role::foo', '... got the right method');
+}
+
+{
+    package My::Foo::Role;
+    use Mouse::Role;
+
+    ::lives_ok {
+        with 'Foo::Role' => { -excludes => 'foo' },
+             'Bar::Role' => { -excludes => 'foo' },
+             'Baz::Role';
+    } '... composed our roles correctly';
+}
+
+ok(My::Foo::Role->meta->has_method('foo'), "we have a foo method");
+ok(!My::Foo::Role->meta->requires_method('foo'), '... and the &foo method is not required');
+
+{
+    package My::Foo::Role::Other;
+    use Mouse::Role;
+
+    ::lives_ok {
+        with 'Foo::Role',
+             'Bar::Role' => { -excludes => 'foo' },
+             'Baz::Role';
+    } '... composed our roles correctly';
+}
+
+ok(!My::Foo::Role::Other->meta->has_method('foo'), "we dont have a foo method");
+ok(My::Foo::Role::Other->meta->requires_method('foo'), '... and the &foo method is required');
+
+
+