1 files changed, 67 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_copy_if.cpp b/src/boost/libs/mp11/test/mp_copy_if.cpp
new file mode 100644
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--- /dev/null
+++ b/src/boost/libs/mp11/test/mp_copy_if.cpp
@@ -0,0 +1,67 @@
+
+// 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/mp11/integral.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+
+using boost::mp11::mp_bool;
+
+template<class N> using is_even = mp_bool<N::value % 2 == 0>;
+
+int main()
+{
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_copy_if;
+
+    {
+        using L1 = mp_list<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L1, std::is_const>, L1>));
+
+        using L2 = mp_list<X1, X1 const, X1*, X2 const, X2*, X3*>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_volatile>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_const>, mp_list<X1 const, X2 const>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_pointer>, mp_list<X1*, X2*, X3*>>));
+    }
+
+    {
+        using L1 = std::tuple<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L1, std::is_const>, L1>));
+
+        using L2 = std::tuple<X1, X1 const, X1*, X2 const, X2*, X3*>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_volatile>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_const>, std::tuple<X1 const, X2 const>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_copy_if<L2, std::is_pointer>, std::tuple<X1*, X2*, X3*>>));
+    }
+
+    using boost::mp11::mp_iota_c;
+    using boost::mp11::mp_size_t;
+
+    {
+        int const N = 12;
+        using L1 = mp_iota_c<N>;
+
+        using R1 = mp_copy_if<L1, is_even>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<R1, mp_list<mp_size_t<0>, mp_size_t<2>, mp_size_t<4>, mp_size_t<6>, mp_size_t<8>, mp_size_t<10>>>));
+    }
+
+    return boost::report_errors();
+}