1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/tuple/special.transform.cpp b/src/boost/libs/hana/test/tuple/special.transform.cpp
new file mode 100644
index 00000000..86d141c6
--- /dev/null
+++ b/src/boost/libs/hana/test/tuple/special.transform.cpp
@@ -0,0 +1,52 @@
+// 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/transform.hpp>
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+template <typename ...>
+struct F { struct type; };
+
+struct x1;
+struct x2;
+struct x3;
+struct x4;
+
+int main() {
+    // transform with tuple_t and a metafunction
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<>, hana::metafunction<F>),
+        hana::tuple_t<>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<x1>, hana::metafunction<F>),
+        hana::tuple_t<F<x1>::type>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<x1, x2>, hana::metafunction<F>),
+        hana::tuple_t<F<x1>::type, F<x2>::type>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<x1, x2, x3>, hana::metafunction<F>),
+        hana::tuple_t<F<x1>::type, F<x2>::type, F<x3>::type>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<x1, x2, x3, x4>, hana::metafunction<F>),
+        hana::tuple_t<F<x1>::type, F<x2>::type, F<x3>::type, F<x4>::type>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::tuple_t<x1, x2, x3, x4>, hana::template_<F>),
+        hana::tuple_t<F<x1>, F<x2>, F<x3>, F<x4>>
+    ));
+}