Files
filesystem/test/long_path_test.cpp

70 lines
2.1 KiB
C++

// long_path_test.cpp ----------------------------------------------------------------//
// Copyright Beman Dawes 2011
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
/*----------------------------------------------------------------------------------------
This is a Windows-only test is to ensure that \\?\ pathnames (i.e. very long paths)
work correctly.
See http://msdn.microsoft.com/en-us/library/aa365247%28v=vs.85%29.aspx
----------------------------------------------------------------------------------------*/
#include <boost/config/warning_disable.hpp>
#include <boost/filesystem.hpp>
#include <string>
using namespace boost::filesystem;
#include <iostream>
#define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cout
#include <boost/core/lightweight_test.hpp>
#include <boost/detail/lightweight_main.hpp>
namespace
{
} // unnamed namespace
int cpp_main(int, char*[])
{
std::string prefix("d:\\temp\\");
std::cout << "prefix is " << prefix << '\n';
const std::size_t safe_size
= 260 - prefix.size() - 100; // Windows MAX_PATH is 260
std::string safe_x_string(safe_size, 'x');
std::string safe_y_string(safe_size, 'y');
std::string path_escape("\\\\?\\");
path x_p(prefix + safe_x_string);
path y_p(path_escape + prefix + safe_x_string + "\\" + safe_y_string);
std::cout << "x_p.native().size() is " << x_p.native().size() << '\n';
std::cout << "y_p.native().size() is " << y_p.native().size() << '\n';
std::cout << "removing y_p" << std::endl;
remove(y_p); // remove residue from prior tests
std::cout << "removing x_p" << std::endl;
remove(x_p); // remove residue from prior tests
std::cout << "creating x_p" << std::endl;
create_directory(x_p);
std::cout << "test exists(x_p)" << std::endl;
BOOST_TEST(exists(x_p));
std::cout << "creating y_p" << std::endl;
create_directory(y_p);
std::cout << "test exists(y_p)" << std::endl;
BOOST_TEST(exists(y_p));
std::cout << "retest exists(x_p)" << std::endl;
BOOST_TEST(exists(x_p));
return ::boost::report_errors();
}