Add test for convert seq to std::tuple

Signed-off-by: Kohei Takahashi <flast@flast.jp>

test/Jamfile

@@ -150,6 +150,7 @@ project
     [ run sequence/define_tpl_struct.cpp : : : : ]
     [ run sequence/define_tpl_struct_inline.cpp : : : : ]
     [ run sequence/define_assoc_tpl_struct.cpp : : : : ]
+    [ run sequence/std_tuple.cpp : : : : ]
     [ run sequence/std_tuple_iterator.cpp : : : : ]
     [ run sequence/ref_vector.cpp : : : : ]
     [ run sequence/flatten_view.cpp : : : : ]

test/sequence/std_tuple.cpp

@@ -0,0 +1,47 @@
+/*=============================================================================
+    Copyright (c) 2014 Kohei Takahashi
+
+    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/config.hpp>
+
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/fusion/adapted/std_tuple.hpp>
+#include <boost/fusion/sequence/convert.hpp>
+#include <boost/fusion/container/vector/vector.hpp>
+#include <boost/fusion/container/generation/make_vector.hpp>
+#include <tuple>
+#include <string>
+
+int
+main()
+{
+    using namespace boost::fusion;
+    using namespace boost;
+
+// The convert only supports implementations using variadic templates
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+    {
+        // conversion vector to std tuple
+        std::tuple<int, std::string> t = convert<std_tuple_tag>(make_vector(123, "Hola!!!"));
+        BOOST_TEST(std::get<0>(t) == 123);
+        BOOST_TEST(std::get<1>(t) == "Hola!!!");
+    }
+#endif
+
+    return boost::report_errors();
+}
+
+#else
+
+int
+main()
+{
+    return 0;
+}
+
+#endif