1 files changed, 29 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/optional/transform.cpp b/src/boost/libs/hana/test/optional/transform.cpp
new file mode 100644
index 000000000..84f44dcf8
--- /dev/null
+++ b/src/boost/libs/hana/test/optional/transform.cpp
@@ -0,0 +1,29 @@
+// 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/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/optional.hpp>
+#include <boost/hana/transform.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+struct undefined { };
+
+int main() {
+    hana::test::_injection<0> f{};
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::nothing, undefined{}),
+        hana::nothing
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::just(ct_eq<3>{}), f),
+        hana::just(f(ct_eq<3>{}))
+    ));
+}