1 files changed, 20 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/experimental/view/transformed/laziness.cpp b/src/boost/libs/hana/test/experimental/view/transformed/laziness.cpp
new file mode 100644
index 000000000..c1c9fc4ca
--- /dev/null
+++ b/src/boost/libs/hana/test/experimental/view/transformed/laziness.cpp
@@ -0,0 +1,20 @@
+// 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/experimental/view.hpp>
+
+#include <laws/base.hpp>
+#include <support/seq.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+struct undefined { };
+
+int main() {
+    // Make sure we do not evaluate the function unless required
+    auto storage = ::seq(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{});
+    auto transformed = hana::experimental::transformed(storage, undefined{});
+    (void)transformed;
+}