1 files changed, 48 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_replace_third.cpp b/src/boost/libs/mp11/test/mp_replace_third.cpp
new file mode 100644
index 000000000..c1b53b53b
--- /dev/null
+++ b/src/boost/libs/mp11/test/mp_replace_third.cpp
@@ -0,0 +1,48 @@
+
+// Copyright 2015, 2017 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+#include <utility>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+struct X4 {};
+
+int main()
+{
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_replace_third;
+
+    {
+        using L3 = mp_list<X1, X2, X3>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L3, void>, mp_list<X1, X2, void>>));
+
+        using L4 = mp_list<X1, X2, X3, X4>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L4, void>, mp_list<X1, X2, void, X4>>));
+    }
+
+    {
+        using L3 = std::tuple<X1, X2, X3>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L3, void>, std::tuple<X1, X2, void>>));
+
+        using L4 = std::tuple<X1, X2, X3, X4>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L4, void>, std::tuple<X1, X2, void, X4>>));
+    }
+
+    return boost::report_errors();
+}