1 files changed, 44 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/integral_constant/std_api.cpp b/src/boost/libs/hana/test/integral_constant/std_api.cpp
new file mode 100644
index 000000000..95e9d5fe3
--- /dev/null
+++ b/src/boost/libs/hana/test/integral_constant/std_api.cpp
@@ -0,0 +1,44 @@
+// 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/integral_constant.hpp>
+
+#include <cstddef>
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+// operator()
+static_assert(hana::size_c<0>() == 0, "");
+static_assert(hana::size_c<1>() == 1, "");
+static_assert(hana::int_c<-3>() == -3, "");
+
+// decltype(operator())
+static_assert(std::is_same<decltype(hana::size_c<0>()), std::size_t>{}, "");
+static_assert(std::is_same<decltype(hana::int_c<-3>()), int>{}, "");
+
+// conversions
+constexpr std::size_t a = hana::size_c<0>, b = hana::size_c<1>;
+static_assert(a == 0 && b == 1, "");
+
+constexpr int c = hana::int_c<0>, d = hana::int_c<-3>;
+static_assert(c == 0 && d == -3, "");
+
+// nested ::value
+static_assert(decltype(hana::int_c<1>)::value == 1, "");
+
+// nested ::type
+static_assert(std::is_same<
+    decltype(hana::int_c<1>)::type,
+    std::remove_cv_t<decltype(hana::int_c<1>)>
+>{}, "");
+
+// nested ::value_type
+static_assert(std::is_same<decltype(hana::int_c<1>)::value_type, int>{}, "");
+
+// inherits from std::integral_constant
+static_assert(std::is_base_of<std::integral_constant<int, 3>,
+                              hana::integral_constant<int, 3>>{}, "");
+
+int main() { }