diff --git a/test/is_convertible_test.cpp b/test/is_convertible_test.cpp
index 61a7c33..fd05b4b 100644
--- a/test/is_convertible_test.cpp
+++ b/test/is_convertible_test.cpp
@@ -115,6 +115,16 @@ BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<const int[2], int*>::value),
 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int*, int[3]>::value), false);
 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<test_abc3, const test_abc1&>::value), true);
 
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int()>::value), false);
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(*)()>::value), true);
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(* const)()>::value), true);
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(* volatile)()>::value), true);
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(* const volatile)()>::value), true);
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(&)()>::value), true);
+#ifndef BOOST_NO_RVALUE_REFERENCES
+BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<int(), int(&&)()>::value), true);
+#endif
+
 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<non_pointer, void*>::value), true);
 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<non_pointer, int*>::value), false);
 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_convertible<non_int_pointer, int*>::value), true);