1 files changed, 24 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/type/adl.cpp b/src/boost/libs/hana/test/type/adl.cpp
new file mode 100644
index 000000000..35a75c20c
--- /dev/null
+++ b/src/boost/libs/hana/test/type/adl.cpp
@@ -0,0 +1,24 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+template <bool b = false>
+struct invalid { static_assert(b, "invalid must not be instantiated"); };
+
+template <typename T> void adl(T) { }
+template <typename T> void adl_pattern(hana::basic_type<T>) { }
+
+
+int main() {
+    // ADL kicks in but `invalid<>` must not instantiated
+    adl(hana::type_c<invalid<>>);
+    adl_pattern(hana::type_c<invalid<>>);
+
+    // ADL instantiates the types recursively, make sure that works too
+    adl(hana::typeid_(hana::type_c<invalid<>>));
+    adl_pattern(hana::typeid_(hana::type_c<invalid<>>));
+}