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Diffstat (limited to 'src/boost/libs/serialization/test/test_shared_ptr_132.cpp')
| -rw-r--r-- | src/boost/libs/serialization/test/test_shared_ptr_132.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/test/test_shared_ptr_132.cpp b/src/boost/libs/serialization/test/test_shared_ptr_132.cpp new file mode 100644 index 000000000..0d11b0002 --- /dev/null +++ b/src/boost/libs/serialization/test/test_shared_ptr_132.cpp @@ -0,0 +1,230 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// test_shared_ptr.cpp + +// (C) Copyright 2002 Robert Ramey- http://www.rrsd.com - David Tonge . +// 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) +// +// See http://www.boost.org for updates, documentation, and revision history. + +#include <cstddef> // NULL +#include <fstream> + +#include <cstdio> // remove +#include <boost/config.hpp> +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::remove; +} +#endif + +#include "test_tools.hpp" + +#include <boost/serialization/shared_ptr_132.hpp> +#include <boost/serialization/shared_ptr.hpp> +#include <boost/serialization/weak_ptr.hpp> +#include <boost/serialization/split_member.hpp> + +#include <boost/preprocessor/stringize.hpp> + +#include <boost/serialization/nvp.hpp> +#include <boost/serialization/export.hpp> + +// This is a simple class. It contains a counter of the number +// of objects of this class which have been instantiated. +class A +{ +private: + friend class boost::serialization::access; + int x; + template<class Archive> + void save(Archive & ar, const unsigned int /* file_version */) const { + ar << BOOST_SERIALIZATION_NVP(x); + } + template<class Archive> + void load(Archive & ar, const unsigned int /* file_version */) { + ar >> BOOST_SERIALIZATION_NVP(x); + } + BOOST_SERIALIZATION_SPLIT_MEMBER() +public: + static int count; + bool operator==(const A & rhs) const { + return x == rhs.x; + } + A(){++count;} // default constructor + virtual ~A(){--count;} // default destructor +}; + +BOOST_SERIALIZATION_SHARED_PTR(A) + +// B is a subclass of A +class B : public A +{ +private: + friend class boost::serialization::access; + template<class Archive> + void save(Archive & ar, const unsigned int /* file_version */ )const { + ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(A); + } + template<class Archive> + void load(Archive & ar, const unsigned int /* file_version */){ + ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(A); + } + BOOST_SERIALIZATION_SPLIT_MEMBER() +public: + static int count; + B() : A() {}; + virtual ~B() {}; +}; + +// B needs to be exported because its serialized via a base class pointer +BOOST_SHARED_POINTER_EXPORT(B) +BOOST_SERIALIZATION_SHARED_PTR(B) + +int A::count = 0; + +template<class T> +void save(const char * testfile, const T & spa) +{ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + oa << BOOST_SERIALIZATION_NVP(spa); +} + +template<class T> +void load(const char * testfile, T & spa) +{ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + ia >> BOOST_SERIALIZATION_NVP(spa); +} + +// trivial test +template<class T> +void save_and_load(const T & spa) +{ + const char * testfile = boost::archive::tmpnam(NULL); + BOOST_REQUIRE(NULL != testfile); + save(testfile, spa); + + // note that we're loading to a current version of shared_ptr + // regardless of the orignal saved type - this tests backward + // archive compatibility + boost::shared_ptr<A> spa1; + load(testfile, spa1); + + BOOST_CHECK( + (spa.get() == NULL && spa1.get() == NULL) + || * spa == * spa1 + ); + std::remove(testfile); +} + +template<class T> +void save2( + const char * testfile, + const T & first, + const T & second +){ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + oa << BOOST_SERIALIZATION_NVP(first); + oa << BOOST_SERIALIZATION_NVP(second); +} + +template<class T> +void load2( + const char * testfile, + T & first, + T & second) +{ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + ia >> BOOST_SERIALIZATION_NVP(first); + ia >> BOOST_SERIALIZATION_NVP(second); +} + +// Run tests by serializing two shared_ptrs into an archive, +// clearing them (deleting the objects) and then reloading the +// objects back from an archive. +template<class T> +void save_and_load2(T & first, T & second) +{ + const char * testfile = boost::archive::tmpnam(NULL); + BOOST_REQUIRE(NULL != testfile); + + save2(testfile, first, second); + + // Clear the pointers, thereby destroying the objects they contain + first.reset(); + second.reset(); + + boost::shared_ptr<A> first1, second1; + load2(testfile, first1, second1); + + BOOST_CHECK(first1 == second1); + std::remove(testfile); +} + +template<class T> +void save3( + const char * testfile, + const T & first, + const T & second, + const T & third +){ + test_ostream os(testfile, TEST_STREAM_FLAGS); + test_oarchive oa(os, TEST_ARCHIVE_FLAGS); + oa << BOOST_SERIALIZATION_NVP(third); + oa << BOOST_SERIALIZATION_NVP(first); + oa << BOOST_SERIALIZATION_NVP(second); +} + +template<class T> +void load3( + const char * testfile, + T & first, + T & second, + T & third +){ + test_istream is(testfile, TEST_STREAM_FLAGS); + test_iarchive ia(is, TEST_ARCHIVE_FLAGS); + // note that we serialize the weak pointer first + ia >> BOOST_SERIALIZATION_NVP(third); + // inorder to test that a temporarily solitary weak pointer + // correcttly restored. + ia >> BOOST_SERIALIZATION_NVP(first); + ia >> BOOST_SERIALIZATION_NVP(second); +} + +// This does the tests +int test_main(int /* argc */, char * /* argv */[]) +{ + // These are our shared_ptrs + boost_132::shared_ptr<A> spa; + + // trivial test 1 + save_and_load(spa); + + //trivial test 2 + spa.reset(); + spa = boost_132::shared_ptr<A>(new A); + save_and_load(spa); + + // Try to save and load pointers to As, to a text archive + spa = boost_132::shared_ptr<A>(new A); + boost_132::shared_ptr<A> spa1 = spa; + save_and_load2(spa, spa1); + + // Try to save and load pointers to Bs, to a text archive + spa = boost_132::shared_ptr<A>(new B); + save_and_load(spa); + + spa1 = spa; + save_and_load2(spa, spa1); + + // obj of type B gets destroyed + // as smart_ptr goes out of scope + return EXIT_SUCCESS; +} |