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synchronized_value.cpp
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147 lines (133 loc) · 3.59 KB
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// (C) Copyright 2010 Just Software Solutions Ltd http://www.justsoftwaresolutions.co.uk
// (C) Copyright 2012 Vicente Botet
//
// 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)
#define BOOST_THREAD_VERSION 4
#include <iostream>
#include <string>
#include <boost/thread/synchronized_value.hpp>
void addTrailingSlashIfMissing(boost::synchronized_value<std::string> & path)
{
boost::strict_lock_ptr<std::string> u=path.synchronize();
if(u->empty() || (*u->rbegin()!='/'))
{
*u+='/';
}
}
void f(const boost::synchronized_value<int> &v) {
std::cout<<"v="<<*v<<std::endl;
}
void g(const boost::const_strict_lock_ptr<int> &v) {
std::cout<<"v="<<*v<<std::endl;
}
bool checkIfMissingTrailingSlash(boost::synchronized_value<std::string> & path)
{
boost::strict_lock_ptr<std::string> u=path.synchronize();
return (u->empty() || (*u->rbegin()!='/'));
}
int main()
{
{
boost::synchronized_value<int> v1;
*v1=42;
std::cout<<"v1="<<*v1<<std::endl;
f(v1);
int i=*v1;
std::cout<<"i="<<i<<std::endl;
{
boost::strict_lock_ptr<int> u=v1.synchronize();
*u+=43;
std::cout<<"v1="<<*u<<std::endl;
g(u);
}
boost::synchronized_value<int> v2(2);
std::cout<<"v2="<<*v2<<std::endl;
v2 = 3;
std::cout<<"v2="<<*v2<<std::endl;
boost::synchronized_value<int> v3(v2);
std::cout<<"v3="<<*v3<<std::endl;
v3 = v1;
std::cout<<"v3="<<*v3<<std::endl;
std::cout<<"v2="<<*v3<<std::endl;
std::cout<<"v3="<<*v3<<std::endl;
swap(v3,v2);
v1.swap(v2);
std::cout<<"v3="<<*v3<<std::endl;
}
{
boost::synchronized_value<std::string> s;
addTrailingSlashIfMissing(s);
std::cout<<"s="<<std::string(*s)<<std::endl;
}
{
boost::synchronized_value<std::string> s;
s->append("foo/");
s.synchronize()->append("foo");
addTrailingSlashIfMissing(s);
std::cout<<"s="<<std::string(*s)<<std::endl;
}
{
boost::synchronized_value<std::string> s;
s = std::string("foo/");
std::cout<<"ss="<< s << std::endl;
}
{
boost::synchronized_value<std::string> s;
s = "foo/";
std::cout<<"ss="<< s << std::endl;
}
{
boost::synchronized_value<std::string> s1("a");
boost::synchronized_value<std::string> s2;
s2=s1;
std::cout<<"s1="<< s1 << std::endl;
std::cout<<"s2="<< s2 << std::endl;
}
{
boost::synchronized_value<std::string> s1("a");
boost::synchronized_value<std::string> s2("b");
std::cout<<"s1="<< s1 << std::endl;
std::cout<<"s2="<< s2 << std::endl;
swap(s1,s2);
std::cout<<"s1="<< s1 << std::endl;
std::cout<<"s2="<< s2 << std::endl;
}
#if ! defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
{
boost::synchronized_value<std::string> sts("a");
std::string s(sts);
std::cout<<"ssts="<< s << std::endl;
}
#endif
{
boost::synchronized_value<int> s1(1);
boost::synchronized_value<int> s2(1);
BOOST_ASSERT(s1==s2);
BOOST_ASSERT(s1<=s2);
BOOST_ASSERT(s1>=s2);
BOOST_ASSERT(s1==1);
BOOST_ASSERT(s1<=1);
BOOST_ASSERT(s1>=1);
}
{
boost::synchronized_value<int> s1(1);
boost::synchronized_value<int> s2(2);
BOOST_ASSERT(s1!=s2);
BOOST_ASSERT(s1!=2);
BOOST_ASSERT(2!=s1);
}
{
boost::synchronized_value<int> s1(1);
boost::synchronized_value<int> s2(2);
BOOST_ASSERT(s1<s2);
BOOST_ASSERT(s1<=s2);
BOOST_ASSERT(s2>s1);
BOOST_ASSERT(s2>=s1);
BOOST_ASSERT(s1<2);
BOOST_ASSERT(s1<=2);
BOOST_ASSERT(s2>1);
BOOST_ASSERT(s2>=1);
}
return 0;
}