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+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// test_non_intrursive.cpp
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is subject to 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)
+
+// should pass compilation and execution
+
+// this tests:
+// a) non-intrusive method of implementing serialization
+// b) usage of a non-default constructor
+
+#include <fstream>
+#include <cstdlib> // for rand()
+#include <cstdio> // remove
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+#include <boost/limits.hpp>
+#include <boost/math/special_functions/next.hpp>
+
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{
+ using ::rand;
+ using ::remove;
+ #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(UNDER_CE)
+ using ::numeric_limits;
+ #endif
+}
+#endif
+
+#include <boost/archive/archive_exception.hpp>
+#include "test_tools.hpp"
+
+///////////////////////////////////////////////////////
+// simple class test - using non-intrusive syntax
+// illustrates the usage of the non-intrusve syntax
+class A
+{
+public:
+ signed char s;
+ unsigned char t;
+ signed int u;
+ unsigned int v;
+ float w;
+ double x;
+ A();
+ bool operator==(const A & rhs) const;
+ bool operator<(const A & rhs) const;
+};
+
+A::A() :
+ s(static_cast<signed char>(0xff & std::rand())),
+ t(static_cast<signed char>(0xff & std::rand())),
+ u(std::rand()),
+ v(std::rand()),
+ w((float)std::rand() / std::rand()),
+ x((double)std::rand() / std::rand())
+{
+}
+
+bool A::operator==(const A &rhs) const
+{
+ return
+ s == rhs.s
+ && t == rhs.t
+ && u == rhs.u
+ && v == rhs.v
+ && std::abs( boost::math::float_distance(w, rhs.w)) < 2
+ && std::abs( boost::math::float_distance(x, rhs.x)) < 2
+ ;
+}
+
+bool A::operator<(const A &rhs) const
+{
+ if(! (s == rhs.s) )
+ return s < rhs.s;
+ if(! (t == rhs.t) )
+ return t < rhs.t;
+ if(! (u == rhs.u) )
+ return t < rhs.u;
+ if(! (v == rhs.v) )
+ return t < rhs.v;
+ if(std::abs( boost::math::float_distance(w, rhs.w)) > 1)
+ return false;
+ if(std::abs( boost::math::float_distance(x, rhs.x)) > 1)
+ return false;
+ return false;
+}
+
+// note the following:
+
+// function specializations must be defined in the appropriate
+// namespace - boost::serialization
+namespace boost {
+namespace serialization {
+
+// This first set of overrides should work with all compilers.
+
+// The last argument is int while the default versions
+// defined in serialization.hpp have long as the last argument.
+// This is part of the work around for compilers that don't
+// support correct function template ordering. These functions
+// are always called with 0 (i.e. an int) as the last argument.
+// Our specialized versions also have int as the last argument
+// while the default versions have a long as the last argument.
+// This makes our specialized versions a better match than the
+// default ones as no argument conversion is required to make a match
+template<class Archive>
+void serialize(
+ Archive & ar,
+ A & a,
+ const unsigned int /* file_version */
+){
+ ar & boost::serialization::make_nvp("s", a.s);
+ ar & boost::serialization::make_nvp("t", a.t);
+ ar & boost::serialization::make_nvp("u", a.u);
+ ar & boost::serialization::make_nvp("v", a.v);
+ ar & boost::serialization::make_nvp("w", a.w);
+ ar & boost::serialization::make_nvp("x", a.x);
+}
+
+} // serialization
+} // namespace boost
+
+void save(const char * testfile){
+ test_ostream os(testfile, TEST_STREAM_FLAGS);
+ test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
+ A a;
+
+ oa << BOOST_SERIALIZATION_NVP(a);
+
+ // save a copy pointer to this item
+ A *pa1 = &a;
+ oa << BOOST_SERIALIZATION_NVP(pa1);
+
+ // save pointer to a new object
+ A *pa2 = new A();
+ oa << BOOST_SERIALIZATION_NVP(pa2);
+
+ delete pa2;
+}
+
+void load(const char * testfile){
+ test_istream is(testfile, TEST_STREAM_FLAGS);
+ test_iarchive ia(is, TEST_ARCHIVE_FLAGS);
+
+ A a;
+ ia >> BOOST_SERIALIZATION_NVP(a);
+
+ A *pa1;
+ ia >> BOOST_SERIALIZATION_NVP(pa1);
+ BOOST_CHECK_MESSAGE(pa1 == &a, "Copy of pointer not correctly restored");
+
+ A *pa2;
+ ia >> BOOST_SERIALIZATION_NVP(pa2);
+ BOOST_CHECK_MESSAGE(pa2 != &a, "Pointer not correctly restored");
+
+ delete pa2;
+}
+
+int
+test_main( int /* argc */, char* /* argv */[] )
+{
+ const char * testfile = boost::archive::tmpnam(NULL);
+ BOOST_REQUIRE(NULL != testfile);
+ save(testfile);
+ load(testfile);
+ std::remove(testfile);
+ return EXIT_SUCCESS;
+}
+
+// EOF