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-rw-r--r--src/boost/libs/mp11/test/mp_take.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_take.cpp b/src/boost/libs/mp11/test/mp_take.cpp
new file mode 100644
index 000000000..c7f042272
--- /dev/null
+++ b/src/boost/libs/mp11/test/mp_take.cpp
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+
+// 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/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>
+#include <utility>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+struct X4 {};
+struct X5 {};
+
+int main()
+{
+ using boost::mp11::mp_list;
+ using boost::mp11::mp_take;
+ using boost::mp11::mp_take_c;
+ using boost::mp11::mp_size_t;
+
+ {
+ using L1 = mp_list<>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 0>, L1>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<0>>, L1>));
+
+ using L2 = mp_list<X1, X2, X3, X4, X5>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 0>, mp_list<>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 1>, mp_list<X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 2>, mp_list<X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 3>, mp_list<X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 4>, mp_list<X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 5>, mp_list<X1, X2, X3, X4, X5>>));
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<0>>, mp_list<>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<1>>, mp_list<X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<2>>, mp_list<X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<3>>, mp_list<X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<4>>, mp_list<X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<5>>, mp_list<X1, X2, X3, X4, X5>>));
+
+ using L3 = mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 6>, mp_list<X1, X2, X3, X4, X5, X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 7>, mp_list<X1, X2, X3, X4, X5, X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 8>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 9>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 10>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 11>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1>>));
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t< 6>>, mp_list<X1, X2, X3, X4, X5, X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t< 7>>, mp_list<X1, X2, X3, X4, X5, X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t< 8>>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t< 9>>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t<10>>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t<11>>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1>>));
+ }
+
+ {
+ using L1 = std::tuple<>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 0>, L1>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<0>>, L1>));
+
+ using L2 = std::tuple<X1, X2, X3, X4, X5>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 0>, std::tuple<>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 1>, std::tuple<X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 2>, std::tuple<X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 3>, std::tuple<X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 4>, std::tuple<X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 5>, std::tuple<X1, X2, X3, X4, X5>>));
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<0>>, std::tuple<>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<1>>, std::tuple<X1>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<2>>, std::tuple<X1, X2>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<3>>, std::tuple<X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<4>>, std::tuple<X1, X2, X3, X4>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<5>>, std::tuple<X1, X2, X3, X4, X5>>));
+
+ using L3 = std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L3, 8>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3>>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L3, mp_size_t<9>>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4>>));
+ }
+
+ {
+ using L1 = std::pair<X1, X2>;
+
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 2>, L1>));
+ BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<2>>, L1>));
+ }
+
+ return boost::report_errors();
+}