1 files changed, 22 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/ext/std/integral_constant/interop.cpp b/src/boost/libs/hana/test/ext/std/integral_constant/interop.cpp
new file mode 100644
index 000000000..9b445f01b
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+++ b/src/boost/libs/hana/test/ext/std/integral_constant/interop.cpp
@@ -0,0 +1,22 @@
+// 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/ext/std/integral_constant.hpp>
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/not_equal.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+int main() {
+    // Interoperation with hana::integral_constant
+    BOOST_HANA_CONSTANT_CHECK(std::integral_constant<int, 1>{} == hana::int_c<1>);
+    BOOST_HANA_CONSTANT_CHECK(std::integral_constant<int, 1>{} == hana::long_c<1>);
+
+    BOOST_HANA_CONSTANT_CHECK(std::integral_constant<int, 2>{} != hana::int_c<3>);
+}