path_times initial commit

[SVN r82916]
This commit is contained in:
Beman Dawes 2013-02-15 20:44:53 +00:00
parent 15491b6fcf
commit e613187a30
3 changed files with 190 additions and 0 deletions

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@ -112,6 +112,12 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "macro_default_test", "macro
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@ -230,6 +236,10 @@ Global
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@ -0,0 +1,96 @@
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84
test/path_times.cpp Normal file
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@ -0,0 +1,84 @@
// Boost Filesystem path_times.cpp ---------------------------------------------------//
// Copyright Beman Dawes 2013
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// Library home page: http://www.boost.org/libs/filesystem
#include <boost/config/warning_disable.hpp>
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
# define BOOST_FILESYSTEM_NO_DEPRECATED
#endif
#ifndef BOOST_SYSTEM_NO_DEPRECATED
# define BOOST_SYSTEM_NO_DEPRECATED
#endif
#include <boost/timer/timer.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/cstdint.hpp>
#include <boost/config.hpp>
# if defined( BOOST_NO_STD_WSTRING )
# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
# endif
#define BOOST_LIGHTWEIGHT_MAIN
#ifndef BOOST_LIGHTWEIGHT_MAIN
# include <boost/test/prg_exec_monitor.hpp>
#else
# include <boost/detail/lightweight_main.hpp>
#endif
namespace fs = boost::filesystem;
#include <fstream>
#include <iostream>
using std::cout;
using std::endl;
namespace
{
template <class STD_STRING>
boost::int64_t time_ctor(const STD_STRING& s)
{
boost::timer::nanosecond_type timeout(1000000000);
// typename STD_STRING::size_type len(0);
boost::timer::auto_cpu_timer tmr;
boost::int64_t count = 0;
do
{
fs::path p(s);
// len += p.native().size();
++count;
} while (tmr.elapsed().user < timeout);
// cout << " len = " << len << endl;
cout << " count = " << count << endl;
return count;
}
} // unnamed namespace
//--------------------------------------------------------------------------------------//
// main //
//--------------------------------------------------------------------------------------//
int cpp_main(int argc, char* argv[])
{
cout << "time_ctor with string" << endl;
boost::int64_t s = time_ctor(std::string("/foo/bar/baz"));
cout << "time_ctor with wstring" << endl;
boost::int64_t w = time_ctor(std::wstring(L"/foo/bar/baz"));
if (s > w)
cout << "narrow/wide ratio = " << long double(s)/w << endl;
else
cout << "wide/narrow ratio = " << long double(w)/s << endl;
cout << "returning from main()" << endl;
return 0;
}