Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2.boost_1_54_0baserock/morph

1 files changed, 104 insertions, 0 deletions

diff --git a/libs/fusion/test/algorithm/pop_back.cpp b/libs/fusion/test/algorithm/pop_back.cpp
new file mode 100644
index 000000000..de7cc646a
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+++ b/libs/fusion/test/algorithm/pop_back.cpp
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+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+
+    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/detail/lightweight_test.hpp>
+#include <boost/fusion/container/vector/vector.hpp>
+#include <boost/fusion/container/list/list.hpp>
+#include <boost/fusion/adapted/mpl.hpp>
+#include <boost/fusion/sequence/io/out.hpp>
+#include <boost/fusion/sequence/comparison/equal_to.hpp>
+#include <boost/fusion/container/generation/make_vector.hpp>
+#include <boost/fusion/container/generation/make_list.hpp>
+#include <boost/fusion/algorithm/transformation/pop_back.hpp>
+#include <boost/fusion/algorithm/transformation/push_back.hpp>
+#include <boost/fusion/algorithm/query/find.hpp>
+#include <boost/fusion/include/back.hpp>
+#include <boost/fusion/include/array.hpp>
+#include <boost/array.hpp>
+#include <boost/mpl/vector_c.hpp>
+
+int
+main()
+{
+    using namespace boost::fusion;
+
+    std::cout << tuple_open('[');
+    std::cout << tuple_close(']');
+    std::cout << tuple_delimiter(", ");
+
+/// Testing pop_back
+
+    {
+        char const* s = "Ruby";
+        typedef vector<int, char, double, char const*> vector_type;
+        vector_type t1(1, 'x', 3.3, s);
+
+        {
+            std::cout << pop_back(t1) << std::endl;
+            BOOST_TEST((pop_back(t1) == make_vector(1, 'x', 3.3)));
+        }
+    }
+
+    {
+        typedef boost::mpl::vector_c<int, 1, 2, 3, 4, 5> mpl_vec;
+        std::cout << boost::fusion::pop_back(mpl_vec()) << std::endl;
+        BOOST_TEST((boost::fusion::pop_back(mpl_vec()) == make_vector(1, 2, 3, 4)));
+    }
+
+    {
+        list<int, int> l(1, 2);
+        std::cout << pop_back(l) << std::endl;
+        BOOST_TEST((pop_back(l) == make_list(1)));
+    }
+
+    { // make sure empty sequences are OK
+        list<int> l(1);
+        std::cout << pop_back(l) << std::endl;
+        BOOST_TEST((pop_back(l) == make_list()));
+    }
+
+    {
+        single_view<int> sv(1);
+        std::cout << pop_back(sv) << std::endl;
+
+        // Compile check only
+        begin(pop_back(sv)) == end(sv);
+        end(pop_back(sv)) == begin(sv);
+    }
+
+    // $$$ JDG: TODO add compile fail facility $$$
+    //~ { // compile fail check (Disabled for now)
+        //~ list<> l;
+        //~ std::cout << pop_back(l) << std::endl;
+    //~ }
+
+#ifndef BOOST_NO_AUTO_DECLARATIONS
+    {
+        auto vec = make_vector(1, 3.14, "hello");
+
+        // Compile check only
+        auto popv = pop_back(vec);
+        std::cout << popv << std::endl;
+
+        auto push = push_back(vec, 42);
+        auto pop = pop_back(vec);
+        auto i1 = find<int>(popv);
+        auto i2 = find<double>(pop);
+
+        BOOST_TEST(i1 != end(pop));
+        BOOST_TEST(i2 != end(pop));
+        BOOST_TEST(i1 != i2);
+    }
+#endif
+
+    {
+        boost::array<std::size_t, 2> a = { 10, 50 };
+        BOOST_TEST(back(pop_back(a)) == 10);
+    }
+
+    return boost::report_errors();
+}
+