ceph/src/boost/libs/filesystem/test/issues/recurse_dir_iter_5403.cpp

   1 //  Boost Filesystem recurse_dir_iter_test.cpp  ----------------------------------------//
   2
   3 //  Copyright Beman Dawes 2014.
   4
   5 //  Distributed under the Boost Software License, Version 1.0.
   6 //  See http://www.boost.org/LICENSE_1_0.txt
   7
   8 //  Library home page: http://www.boost.org/libs/filesystem
   9
  10 #include <boost/config/warning_disable.hpp>
  11
  12 //  See deprecated_test for tests of deprecated features
  13 #ifndef BOOST_FILESYSTEM_NO_DEPRECATED
  14 #  define BOOST_FILESYSTEM_NO_DEPRECATED
  15 #endif
  16 #ifndef BOOST_SYSTEM_NO_DEPRECATED
  17 #  define BOOST_SYSTEM_NO_DEPRECATED
  18 #endif
  19
  20 #include <boost/filesystem/operations.hpp>
  21
  22 #include <boost/config.hpp>
  23 # if defined( BOOST_NO_STD_WSTRING )
  24 #   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
  25 # endif
  26
  27 #include <boost/cerrno.hpp>
  28 #include <boost/detail/lightweight_test.hpp>
  29 #include <boost/detail/lightweight_main.hpp>
  30
  31 namespace fs = boost::filesystem;
  32 using boost::system::error_code;
  33 using boost::system::system_category;
  34 using boost::system::system_error;
  35
  36 #include <iostream>
  37
  38 using std::cout;
  39 using std::endl;
  40
  41 #ifdef BOOST_WINDOWS_API
  42 # include <windows.h>
  43 #endif
  44 namespace
  45 {
  46   typedef int errno_t;
  47   std::string platform(BOOST_PLATFORM);
  48   bool report_throws = false;
  49   bool cleanup = true;
  50   bool skip_long_windows_tests = false;
  51   unsigned short language_id;  // 0 except for Windows
  52
  53 } // unnamed namespace
  54
  55 //------------------------------------------------------------------------------------//
  56 //                                                                                    //
  57 //                                    main                                            //
  58 //                                                                                    //
  59 //------------------------------------------------------------------------------------//
  60
  61 int cpp_main(int argc, char* argv[])
  62 {
  63   // document state of critical macros
  64 #ifdef BOOST_POSIX_API
  65   cout << "BOOST_POSIX_API is defined\n";
  66 #endif
  67 #ifdef BOOST_WINDOWS_API
  68   cout << "BOOST_WINDOWS_API is defined\n";
  69 #endif
  70
  71   for (; argc > 1; --argc, ++argv)
  72   {
  73     //if (*argv[1]=='-' && *(argv[1]+1)=='t')
  74     //  report_throws = true;
  75     //else if (*argv[1]=='-' && *(argv[1]+1)=='x')
  76     //  cleanup = false;
  77     //else if (*argv[1]=='-' && *(argv[1]+1)=='w')
  78     //  skip_long_windows_tests = true;
  79   }
  80
  81   // The choice of platform to test is made at runtime rather than compile-time
  82   // so that compile errors for all platforms will be detected even though
  83   // only the current platform is runtime tested.
  84 # if defined(BOOST_POSIX_API)
  85   platform = "POSIX";
  86 # elif defined(BOOST_WINDOWS_API)
  87   platform = "Windows";
  88 #   if !defined(__MINGW32__) && !defined(__CYGWIN__)
  89   language_id = ::GetUserDefaultUILanguage();
  90 #   else
  91   language_id = 0x0409; // Assume US English
  92 #   endif
  93 # else
  94 #   error neither BOOST_POSIX_API nor BOOST_WINDOWS_API is defined. See boost/system/api_config.hpp
  95 # endif
  96   cout << "API is " << platform << endl;
  97   cout << "initial_path() is " << fs::initial_path() << endl;
  98   fs::path ip = fs::initial_path();
  99
 100   for (fs::path::const_iterator it = ip.begin(); it != ip.end(); ++it)
 101   {
 102     if (it != ip.begin())
 103       cout << ", ";
 104     cout << *it;
 105   }
 106   cout << endl;
 107
 108   //  From the root, walk the directory tree looking for a permissions error
 109
 110   fs::recursive_directory_iterator it("/");
 111   fs::recursive_directory_iterator end_it;
 112
 113   //  The increment function has an invarient that it always makes progress,
 114   //  so even if an error occurs this loop will eventually terminate.
 115
 116   while (it != end_it)
 117   {
 118     error_code ec;
 119     fs::path init_path = it->path();
 120     it.increment(ec);
 121     if (ec)
 122     {
 123       cout << "initial path: " << init_path << endl;
 124       cout << "error_code: " << ec.value() << " with msg: " << ec.message() << endl;
 125       if (it != end_it)
 126         cout << "post-increment path: " << it->path() << endl;
 127     }
 128   }
 129
 130   cout << "returning from main()" << endl;
 131   return ::boost::report_errors();
 132 } // main