diff --git a/test/aux_/has_xxx.cpp b/test/aux_/has_xxx.cpp
index 9e33273..8178405 100644
--- a/test/aux_/has_xxx.cpp
+++ b/test/aux_/has_xxx.cpp
@@ -35,6 +35,8 @@ struct b5 { typedef int xxx[10]; };
 struct b6 { typedef void (*xxx)(); };
 struct b7 { typedef void (xxx)(); };
 
+template <class T> struct outer;
+template <class T> struct inner { typedef typename T::type type; };
 
 int main()
 {
@@ -59,5 +61,7 @@ int main()
     BOOST_STATIC_ASSERT(has_xxx<b6>::value);
     BOOST_STATIC_ASSERT(has_xxx<b7>::value);
 
+    BOOST_STATIC_ASSERT(!has_xxx<outer<inner<int> > >::value);
+
     return 0;
 }