Initial commit.

test/mp_assign.cpp

@@ -0,0 +1,64 @@
+
+//  Copyright 2015 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/core/lightweight_test_trait.hpp>
+#include <boost/mp11/list.hpp>
+#include <type_traits>
+#include <tuple>
+#include <utility>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+
+int main()
+{
+    using boost::mp_list;
+    using boost::mp_assign;
+
+    using L1 = mp_list<int, void(), float[]>;
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, mp_list<>>, mp_list<>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, mp_list<X1>>, mp_list<X1>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, mp_list<X1, X2>>, mp_list<X1, X2>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, mp_list<X1, X2, X3>>, mp_list<X1, X2, X3>>));
+
+    //
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, std::tuple<>>, mp_list<>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, std::tuple<X1>>, mp_list<X1>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, std::tuple<X1, X2>>, mp_list<X1, X2>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, std::tuple<X1, X2, X3>>, mp_list<X1, X2, X3>>));
+
+    //
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L1, std::pair<X1, X2>>, mp_list<X1, X2>>));
+
+    //
+
+    using L2 = std::tuple<int, char, float>;
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L2, mp_list<>>, std::tuple<>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L2, mp_list<X1>>, std::tuple<X1>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L2, mp_list<X1, X2>>, std::tuple<X1, X2>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L2, mp_list<X1, X2, X3>>, std::tuple<X1, X2, X3>>));
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L2, std::pair<X1, X2>>, std::tuple<X1, X2>>));
+
+    //
+
+    using L3 = std::pair<int, char>;
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L3, mp_list<X1, X2>>, std::pair<X1, X2>>));
+    BOOST_TEST_TRAIT_TRUE((std::is_same<mp_assign<L3, std::pair<X1, X2>>, std::pair<X1, X2>>));
+
+    //
+
+    return boost::report_errors();
+}