1 files changed, 33 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp b/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp
new file mode 100644
index 000000000..f15fb8e80
--- /dev/null
+++ b/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp
@@ -0,0 +1,33 @@
+// 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/tuple.hpp>
+#include <boost/hana/value.hpp>
+
+#include <laws/constant.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+int main() {
+    // value
+    static_assert(hana::value(std::integral_constant<int, 0>{}) == 0, "");
+    static_assert(hana::value(std::integral_constant<int, 1>{}) == 1, "");
+    static_assert(hana::value(std::integral_constant<int, 3>{}) == 3, "");
+
+    // laws
+    hana::test::TestConstant<hana::ext::std::integral_constant_tag<int>>{
+        hana::make_tuple(
+            std::integral_constant<int, -10>{},
+            std::integral_constant<int, -2>{},
+            std::integral_constant<int, 0>{},
+            std::integral_constant<int, 1>{},
+            std::integral_constant<int, 3>{}
+        ),
+        hana::tuple_t<int, long, long long>
+    };
+}