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-rw-r--r--src/boost/libs/filesystem/test/path_times.cpp103
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diff --git a/src/boost/libs/filesystem/test/path_times.cpp b/src/boost/libs/filesystem/test/path_times.cpp
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+// 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
+
+#include <boost/detail/lightweight_main.hpp>
+
+namespace fs = boost::filesystem;
+using namespace boost::timer;
+
+#include <fstream>
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+namespace
+{
+ boost::int64_t max_cycles;
+
+ template <class STD_STRING>
+ nanosecond_type time_ctor(const STD_STRING& s)
+ {
+ boost::timer::auto_cpu_timer tmr;
+ boost::int64_t count = 0;
+ do
+ {
+ fs::path p(s);
+ ++count;
+ } while (count < max_cycles);
+
+ boost::timer::cpu_times elapsed = tmr.elapsed();
+ return elapsed.user + elapsed.system;
+ }
+
+ nanosecond_type time_loop()
+ {
+ boost::timer::auto_cpu_timer tmr;
+ boost::int64_t count = 0;
+ do
+ {
+ ++count;
+ } while (count < max_cycles);
+
+ boost::timer::cpu_times elapsed = tmr.elapsed();
+ return elapsed.user + elapsed.system;
+ }
+} // unnamed namespace
+
+//--------------------------------------------------------------------------------------//
+// main //
+//--------------------------------------------------------------------------------------//
+
+int cpp_main(int argc, char* argv[])
+{
+ if (argc != 2)
+ {
+ cout << "Usage: path_times <cycles-in-millions>\n";
+ return 1;
+ }
+
+ max_cycles = std::atoi(argv[1]) * 1000000LL;
+ cout << "testing " << std::atoi(argv[1]) << " million cycles" << endl;
+
+ cout << "time_loop" << endl;
+ nanosecond_type x = time_loop();
+
+ cout << "time_ctor with string" << endl;
+ nanosecond_type s = time_ctor(std::string("/foo/bar/baz"));
+
+ cout << "time_ctor with wstring" << endl;
+ nanosecond_type w = time_ctor(std::wstring(L"/foo/bar/baz"));
+
+ if (s > w)
+ cout << "narrow/wide CPU-time ratio = " << long double(s)/w << endl;
+ else
+ cout << "wide/narrow CPU-time ratio = " << long double(w)/s << endl;
+
+ cout << "returning from main()" << endl;
+ return 0;
+}