pack_options is now public, documented and tested so that it can be used by other libraries like Container, to specify new options for customizable containers.

2013-12-29 13:42:55 +01:00
parent ada3266502
commit 37b30ef5c7
9 changed files with 638 additions and 497 deletions
@@ -0,0 +1,60 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2013-2013. 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)
+//
+// See http://www.boost.org/libs/intrusive for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/intrusive/detail/config_begin.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/remove_pointer.hpp>
+#include <boost/type_traits/add_pointer.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/intrusive/pack_options.hpp>
+
+struct empty_default{};
+
+using namespace boost::intrusive;
+
+//Test BOOST_INTRUSIVE_OPTION_CONSTANT
+BOOST_INTRUSIVE_OPTION_CONSTANT(incremental, bool, Enabled, is_incremental)
+const bool is_incremental_value = pack_options< empty_default, incremental<true> >::type::is_incremental;
+BOOST_STATIC_ASSERT(( is_incremental_value == true ));
+
+//Test BOOST_INTRUSIVE_OPTION_TYPE
+BOOST_INTRUSIVE_OPTION_TYPE(my_pointer, VoidPointer, typename boost::remove_pointer<VoidPointer>::type, my_pointer_type)
+typedef pack_options< empty_default, my_pointer<void*> >::type::my_pointer_type my_pointer_type;
+BOOST_STATIC_ASSERT(( boost::is_same<my_pointer_type, void>::value ));
+
+//test combination of BOOST_INTRUSIVE_OPTION_CONSTANT and BOOST_INTRUSIVE_OPTION_TYPE
+//    First add new options
+struct default_options
+{
+   static const long long_constant = -3;
+   typedef double *  double_typedef;
+};
+
+BOOST_INTRUSIVE_OPTION_CONSTANT(incremental2, bool, Enabled, is_incremental2)
+BOOST_INTRUSIVE_OPTION_TYPE(my_pointer2, VoidPointer, typename boost::add_pointer<VoidPointer>::type, my_pointer_type2)
+typedef pack_options < default_options
+                     , incremental<false>
+                     , my_pointer<float*>
+                     , incremental2<true>
+                     , my_pointer2<const char*>
+                     >::type combined_type;
+BOOST_STATIC_ASSERT(( combined_type::is_incremental  == false ));
+BOOST_STATIC_ASSERT(( combined_type::is_incremental2 == true  ));
+BOOST_STATIC_ASSERT(( boost::is_same<combined_type::my_pointer_type,       float  >::value ));
+BOOST_STATIC_ASSERT(( boost::is_same<combined_type::my_pointer_type2, const char**>::value ));
+
+//test packing the default options leads to a default options type
+BOOST_STATIC_ASSERT(( boost::is_same<pack_options<default_options>::type, default_options>::value ));
+
+int main()
+{
+   return 0;
+}
+
+#include <boost/intrusive/detail/config_end.hpp>