diff --git a/test/has_complement_test.cpp b/test/has_complement_test.cpp
index 12af8c0..d1b9254 100644
--- a/test/has_complement_test.cpp
+++ b/test/has_complement_test.cpp
@@ -222,8 +222,22 @@ void specific() {
    BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< int* const &, int const >::value), 0);
    BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< int* const &, int & >::value), 0);
    BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< int* const &, int const & >::value), 0);
+#if defined(BOOST_TT_HAS_ACCURATE_BINARY_OPERATOR_DETECTION)
+   // There are some things that pass that wouldn't otherwise do so:
+   auto f = []() {};
+   auto f2 = [](double)->int { return 2; };
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f)>::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f2)>::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f), bool>::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f2), bool>::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f), void>::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME<decltype(f2), void>::value), 0);
+
 #ifndef BOOST_NO_CXX11_SCOPED_ENUMS
    BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< scoped_enum >::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< scoped_enum, scoped_enum >::value), 0);
+   BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< scoped_enum, void >::value), 0);
+#endif
 #endif
 }