1 files changed, 74 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/experimental/types/transform.cpp b/src/boost/libs/hana/test/experimental/types/transform.cpp
new file mode 100644
index 000000000..0ed1b07c7
--- /dev/null
+++ b/src/boost/libs/hana/test/experimental/types/transform.cpp
@@ -0,0 +1,74 @@
+// 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/experimental/types.hpp>
+#include <boost/hana/transform.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+template <typename ...>
+struct mf { struct type; };
+
+template <int> struct x;
+struct undefined { };
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::transform(hana::experimental::types<>{}, undefined{}),
+        hana::experimental::types<>{}
+    ));
+
+    // with a Metafunction
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>>{}, hana::metafunction<mf>),
+            hana::experimental::types<mf<x<0>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>>{}, hana::metafunction<mf>),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::metafunction<mf>),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type, mf<x<2>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::metafunction<mf>),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type, mf<x<2>>::type, mf<x<3>>::type>{}
+        ));
+    }
+
+    // with a non-Metafunction
+    {
+        auto f = [](auto t) {
+            return hana::metafunction<mf>(t);
+        };
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>>{}, f),
+            hana::experimental::types<mf<x<0>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>>{}, f),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>, x<2>>{}, f),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type, mf<x<2>>::type>{}
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::transform(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, f),
+            hana::experimental::types<mf<x<0>>::type, mf<x<1>>::type, mf<x<2>>::type, mf<x<3>>::type>{}
+        ));
+    }
+}