diff --git a/test/compliant/test_compliant.cpp b/test/compliant/test_compliant.cpp
index 9428dae..6a25df6 100755
--- a/test/compliant/test_compliant.cpp
+++ b/test/compliant/test_compliant.cpp
@@ -1,3 +1,5 @@
+#pragma warning(disable:4512)
+
 #include <boost/typeof/typeof.hpp>
 
 #include "spirit/register.hpp"
@@ -13,7 +15,9 @@ void test_lambda()
 
     BOOST_AUTO(fun, _1 > 15 && _2 < 20);
     int n = 19;
-    //assert(fun(n, n));
+    
+    if (!fun(n, n))
+        throw 0;
 
     std::cout << typeid(fun).name() << std::endl;
 }
@@ -54,7 +58,8 @@ void test_spirit2()
         "/*this is a comment*/\n//this is a c++ comment\n\n",
         *skipper).full;
 
-    //assert(success);
+    if (!success)
+        throw 0;
 }
 
 
diff --git a/test/compliant/typeof.vcproj b/test/compliant/typeof.vcproj
index 7a14b04..b18137e 100755
--- a/test/compliant/typeof.vcproj
+++ b/test/compliant/typeof.vcproj
@@ -25,7 +25,8 @@
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="5"
 				UsePrecompiledHeader="0"
-				WarningLevel="3"
+				WarningLevel="4"
+				WarnAsError="TRUE"
 				Detect64BitPortabilityProblems="TRUE"
 				DebugInformationFormat="4"/>
 			<Tool
diff --git a/test/main.cpp b/test/main.cpp
index 3280870..2102242 100755
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -70,6 +70,9 @@ BOOST_STATIC_ASSERT(typeof_test<double(*)(int, double, short, char*, bool, char,
 BOOST_STATIC_ASSERT(typeof_test<void(*)()>::value);
 BOOST_STATIC_ASSERT(typeof_test<void(*)(int, double, short, char*, bool, char, float, long, unsigned short)>::value);
 
+#pragma message("function references...")
+BOOST_STATIC_ASSERT(typeof_test<int&>::value);
+
 #pragma message("member functions...")
 BOOST_STATIC_ASSERT(typeof_test<double(x::*)()>::value);
 BOOST_STATIC_ASSERT(typeof_test<double(x::*)(int, double, short, char*, bool, char, float, long, unsigned short)>::value);
@@ -78,7 +81,6 @@ BOOST_STATIC_ASSERT(typeof_test<void(x::*)(int, double, short, char*, bool, char
 BOOST_STATIC_ASSERT(typeof_test<double(x::*)()const>::value);
 BOOST_STATIC_ASSERT(typeof_test<double(x::*)()volatile>::value);
 BOOST_STATIC_ASSERT(typeof_test<double(x::*)()volatile const>::value);
-//BOOST_STATIC_ASSERT(typeof_test<static double(x::*)()volatile const>::value);
 
 #pragma message("data members...")
 BOOST_STATIC_ASSERT(typeof_test<double x::*>::value);
@@ -130,6 +132,7 @@ struct noncopiable_test
 #else
         BOOST_AUTO(const& v, foo());
 #endif
+        v; // to avoid warning
     }
 };