diff --git a/test/bool.cpp b/test/bool.cpp
index 8fad753..e023c0c 100644
--- a/test/bool.cpp
+++ b/test/bool.cpp
@@ -16,11 +16,18 @@
 
 #include <cassert>
 
+#if defined(BOOST_NO_CXX11_CONSTEXPR)
+#define CONSTEXPR_BOOL_TEST(c)
+#else 
+#define CONSTEXPR_BOOL_TEST(c) { static_assert(bool_<c>() == c, "Constexpr for bool_ failed"); }
+#endif
+
 #define BOOL_TEST(c) \
     { MPL_ASSERT(( is_same< bool_<c>::value_type, bool > )); } \
     { MPL_ASSERT(( is_same< bool_<c>, c##_ > )); } \
     { MPL_ASSERT(( is_same< bool_<c>::type, bool_<c> > )); } \
     { MPL_ASSERT_RELATION( bool_<c>::value, ==, c ); } \
+    CONSTEXPR_BOOL_TEST(c) \
     BOOST_TEST( bool_<c>() == c ); \
 /**/
 
diff --git a/test/integral_wrapper_test.hpp b/test/integral_wrapper_test.hpp
index 4a08d3c..be31d50 100644
--- a/test/integral_wrapper_test.hpp
+++ b/test/integral_wrapper_test.hpp
@@ -28,6 +28,12 @@
     /**/
 #endif
 
+#if defined(BOOST_NO_CXX11_CONSTEXPR)
+#define CONSTEXPR_INTEGRAL_TEST(T, i)
+#else 
+#define CONSTEXPR_INTEGRAL_TEST(T, i) { static_assert(T() == i, "Constexpr for integral constant failed"); }
+#endif
+
 #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
 // agurt 20/nov/06: see http://article.gmane.org/gmane.comp.lib.boost.devel/151065
 #define INTEGRAL_WRAPPER_TEST(unused1, i, T) \
@@ -39,6 +45,7 @@
     { MPL_ASSERT(( is_same< next< borland_tested_type >::type, WRAPPER(T,i+1) > )); } \
     { MPL_ASSERT(( is_same< prior< borland_tested_type >::type, WRAPPER(T,i-1) > )); } \
     { MPL_ASSERT_RELATION( (borland_tested_type::value), ==, i ); } \
+    CONSTEXPR_INTEGRAL_TEST(borland_tested_type, i) \
     INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
     } \
 /**/
@@ -49,6 +56,7 @@
     { MPL_ASSERT(( is_same< next< WRAPPER(T,i) >::type, WRAPPER(T,i+1) > )); } \
     { MPL_ASSERT(( is_same< prior< WRAPPER(T,i) >::type, WRAPPER(T,i-1) > )); } \
     { MPL_ASSERT_RELATION( (WRAPPER(T,i)::value), ==, i ); } \
+    CONSTEXPR_INTEGRAL_TEST(WRAPPER(T,i), i) \
     INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
 /**/
 #endif