diff --git a/test/sequence/adapt_adt.cpp b/test/sequence/adapt_adt.cpp
index 73868367..d4f4a8c2 100644
--- a/test/sequence/adapt_adt.cpp
+++ b/test/sequence/adapt_adt.cpp
@@ -71,6 +71,24 @@ namespace ns
         int y;
     };
 #endif
+    
+    // A sequence that has data members defined in an unrelated namespace
+    // (std, in this case). This allows testing ADL issues.
+    class name
+    {
+    public:
+        name() {}
+        name(const std::string& last, const std::string& first)
+           : last(last), first(first) {}
+        
+        const std::string& get_last() const { return last; }
+        const std::string& get_first() const { return first; }
+        void set_last(const std::string& last_) { last = last_; }
+        void set_first(const std::string& first_) { first = first_; }
+    private:
+        std::string last;
+        std::string first;
+    };
 }
 
 BOOST_FUSION_ADAPT_ADT(
@@ -87,6 +105,12 @@ BOOST_FUSION_ADAPT_ADT(
 )
 #endif
 
+BOOST_FUSION_ADAPT_ADT(
+    ns::name,
+    (const std::string&, const std::string&, obj.get_last(), obj.set_last(val))
+    (const std::string&, const std::string&, obj.get_first(), obj.set_first(val))
+)
+
 int
 main()
 {
@@ -130,6 +154,20 @@ main()
         BOOST_TEST(v3 > v2);
         BOOST_TEST(v3 >= v2);
     }
+    
+    {
+        fusion::vector<std::string, std::string> v1("Lincoln", "Abraham");
+        ns::name v2("Roosevelt", "Franklin");
+        ns::name v3("Roosevelt", "Theodore");
+        BOOST_TEST(v1 < v2);
+        BOOST_TEST(v1 <= v2);
+        BOOST_TEST(v2 > v1);
+        BOOST_TEST(v2 >= v1);
+        BOOST_TEST(v2 < v3);
+        BOOST_TEST(v2 <= v3);
+        BOOST_TEST(v3 > v2);
+        BOOST_TEST(v3 >= v2);
+    }
 
     {
         // conversion from ns::point to vector
diff --git a/test/sequence/adapt_tpl_adt.cpp b/test/sequence/adapt_tpl_adt.cpp
index 2f0d4c6b..aeb0f721 100644
--- a/test/sequence/adapt_tpl_adt.cpp
+++ b/test/sequence/adapt_tpl_adt.cpp
@@ -67,6 +67,7 @@ main()
     using namespace boost::fusion;
 
     typedef ns::point<int, int> point;
+    typedef ns::point<std::string, std::string> name;
 
     std::cout << tuple_open('[');
     std::cout << tuple_close(']');
@@ -106,6 +107,20 @@ main()
         BOOST_TEST(v3 >= v2);
     }
 
+    {
+        boost::fusion::vector<std::string, std::string> v1("Lincoln", "Abraham");
+        name v2("Roosevelt", "Franklin");
+        name v3("Roosevelt", "Theodore");
+        BOOST_TEST(v1 < v2);
+        BOOST_TEST(v1 <= v2);
+        BOOST_TEST(v2 > v1);
+        BOOST_TEST(v2 >= v1);
+        BOOST_TEST(v2 < v3);
+        BOOST_TEST(v2 <= v3);
+        BOOST_TEST(v3 > v2);
+        BOOST_TEST(v3 >= v2);
+    }
+    
     {
         // conversion from point to vector
         point p(5, 3);
diff --git a/test/sequence/define_struct_inline.cpp b/test/sequence/define_struct_inline.cpp
index 8885275d..9e3f6277 100644
--- a/test/sequence/define_struct_inline.cpp
+++ b/test/sequence/define_struct_inline.cpp
@@ -29,6 +29,8 @@ struct cls
 namespace ns
 {
     BOOST_FUSION_DEFINE_STRUCT_INLINE(s, (int, m))
+            
+    BOOST_FUSION_DEFINE_STRUCT_INLINE(empty_struct, )
 }
 
 int
@@ -40,6 +42,11 @@ main()
     std::cout << tuple_close(']');
     std::cout << tuple_delimiter(", ");
 
+    {
+        BOOST_STATIC_ASSERT(boost::fusion::result_of::size<ns::empty_struct>::value == 0);
+        BOOST_STATIC_ASSERT(boost::fusion::result_of::empty<ns::empty_struct>::value);
+    }
+    
     {
         BOOST_MPL_ASSERT_NOT((traits::is_view<cls::point>));
         cls::point p(123, 456);
diff --git a/test/sequence/define_tpl_struct_inline.cpp b/test/sequence/define_tpl_struct_inline.cpp
index 9aa574a0..1052f5db 100644
--- a/test/sequence/define_tpl_struct_inline.cpp
+++ b/test/sequence/define_tpl_struct_inline.cpp
@@ -30,6 +30,8 @@ struct cls
 namespace ns
 {
     BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), s, (M, m))
+            
+    BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), empty_struct, )
 }
 
 int
@@ -43,6 +45,11 @@ main()
     std::cout << tuple_close(']');
     std::cout << tuple_delimiter(", ");
 
+    {
+        BOOST_STATIC_ASSERT(boost::fusion::result_of::size<ns::empty_struct<int> >::value == 0);
+        BOOST_STATIC_ASSERT(boost::fusion::result_of::empty<ns::empty_struct<int> >::value);
+    }
+    
     {
         BOOST_MPL_ASSERT_NOT((traits::is_view<point>));
         point p(123, 456);