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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// test_optional.cpp
// (C) Copyright 2004 Pavel Vozenilek
// 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
#include <cstddef> // NULL
#include <cstdio> // remove
#include <fstream>
#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::remove;
}
#endif
#include <boost/archive/archive_exception.hpp>
#include "test_tools.hpp"
struct A {
int m_x;
template<class Archive>
void serialize(Archive & ar, const unsigned int /* version */){
ar & boost::serialization::make_nvp("x", m_x);
};
bool operator==(const A & rhs) const {
return m_x == rhs.m_x;
}
// note that default constructor is not trivial
A() :
m_x(0)
{}
A(int x) :
m_x(x)
{}
};
// Optional is the class optional implementation you use
template<template<class> class Optional>
int test(){
const char * testfile = boost::archive::tmpnam(NULL);
BOOST_REQUIRE(NULL != testfile);
const Optional<int> aoptional1;
const Optional<int> aoptional2(123);
const Optional<A> aoptional3;
A a(1);
const Optional<A> aoptional4(a);
const Optional<A *> aoptional5;
const Optional<A *> aoptional6(& a);
{
test_ostream os(testfile, TEST_STREAM_FLAGS);
test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
oa << boost::serialization::make_nvp("aoptional1",aoptional1);
oa << boost::serialization::make_nvp("aoptional2",aoptional2);
oa << boost::serialization::make_nvp("aoptional3",aoptional3);
oa << boost::serialization::make_nvp("aoptional4",aoptional4);
oa << boost::serialization::make_nvp("aoptional5",aoptional5);
oa << boost::serialization::make_nvp("aoptional6",aoptional6);
}
Optional<int> aoptional1a(999);
Optional<int> aoptional2a;
Optional<A> aoptional3a;
Optional<A> aoptional4a;
Optional<A *> aoptional5a;
Optional<A *> aoptional6a;
{
test_istream is(testfile, TEST_STREAM_FLAGS);
test_iarchive ia(is, TEST_ARCHIVE_FLAGS);
ia >> boost::serialization::make_nvp("aoptional1",aoptional1a);
ia >> boost::serialization::make_nvp("aoptional2",aoptional2a);
ia >> boost::serialization::make_nvp("aoptional3",aoptional3a);
ia >> boost::serialization::make_nvp("aoptional4",aoptional4a);
ia >> boost::serialization::make_nvp("aoptional5",aoptional5a);
ia >> boost::serialization::make_nvp("aoptional6",aoptional6a);
}
BOOST_CHECK(aoptional1 == aoptional1a);
BOOST_CHECK(aoptional2 == aoptional2a);
BOOST_CHECK(aoptional3 == aoptional3a);
BOOST_CHECK(aoptional4 == aoptional4a);
BOOST_CHECK(aoptional5 == aoptional5a); // not initialized
BOOST_CHECK(**aoptional6 == **aoptional6a);
std::remove(testfile);
return EXIT_SUCCESS;
}
#include <boost/serialization/optional.hpp>
#ifndef BOOST_NO_CXX17_HDR_OPTIONAL
#include <optional>
#endif
int test_main( int /* argc */, char* /* argv */[] ){
test<boost::optional>();
#ifndef BOOST_NO_CXX17_HDR_OPTIONAL
test<std::optional>();
#endif
return EXIT_SUCCESS;
}
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