ceph/src/boost/libs/filesystem/test/convenience_test.cpp

   1 //  libs/filesystem/test/convenience_test.cpp  -----------------------------------------//
   2
   3 //  Copyright Beman Dawes, 2002
   4 //  Copyright Vladimir Prus, 2002
   5 //  Use, modification, and distribution is subject to the Boost Software
   6 //  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  See library home page at http://www.boost.org/libs/filesystem
  10
  11 #include <boost/config/warning_disable.hpp>
  12
  13 //  See deprecated_test for tests of deprecated features
  14 #ifndef BOOST_FILESYSTEM_NO_DEPRECATED
  15 #  define BOOST_FILESYSTEM_NO_DEPRECATED
  16 #endif
  17 #ifndef BOOST_SYSTEM_NO_DEPRECATED
  18 #  define BOOST_SYSTEM_NO_DEPRECATED
  19 #endif
  20
  21 #include <boost/filesystem/convenience.hpp>
  22 #include <boost/filesystem/directory.hpp>
  23 #include <boost/filesystem/exception.hpp>
  24
  25 #include <boost/config.hpp>
  26 # if defined( BOOST_NO_STD_WSTRING )
  27 #   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
  28 # endif
  29
  30 #include <boost/detail/lightweight_test.hpp>
  31 #include <boost/detail/lightweight_main.hpp>
  32 #include <boost/bind.hpp>
  33 #include <fstream>
  34 #include <iostream>
  35
  36 namespace fs = boost::filesystem;
  37 using fs::path;
  38 namespace sys = boost::system;
  39
  40 namespace
  41 {
  42   template< typename F >
  43     bool throws_fs_error(F func)
  44   {
  45     try { func(); }
  46
  47     catch (const fs::filesystem_error &)
  48     {
  49       return true;
  50     }
  51     return false;
  52   }
  53
  54     void create_recursive_iterator(const fs::path & ph)
  55     {
  56       fs::recursive_directory_iterator it(ph);
  57     }
  58 }
  59
  60 //  ------------------------------------------------------------------------------------//
  61
  62 int cpp_main(int, char*[])
  63 {
  64
  65 //  create_directories() tests  --------------------------------------------------------//
  66
  67   BOOST_TEST(!fs::create_directories("/")); // should be harmless
  68
  69   path unique_dir = fs::unique_path();  // unique name in case tests running in parallel
  70   path unique_yy = unique_dir / "yy";
  71   path unique_yya = unique_dir / "yya";
  72   path unique_yy_zz = unique_dir / "yy" / "zz";
  73
  74   fs::remove_all(unique_dir);  // make sure slate is blank
  75   BOOST_TEST(!fs::exists(unique_dir)); // reality check
  76
  77   BOOST_TEST(fs::create_directories(unique_dir));
  78   BOOST_TEST(fs::exists(unique_dir));
  79   BOOST_TEST(fs::is_directory(unique_dir));
  80
  81   BOOST_TEST(fs::create_directories(unique_yy_zz));
  82   BOOST_TEST(fs::exists(unique_dir));
  83   BOOST_TEST(fs::exists(unique_yy));
  84   BOOST_TEST(fs::exists(unique_yy_zz));
  85   BOOST_TEST(fs::is_directory(unique_dir));
  86   BOOST_TEST(fs::is_directory(unique_yy));
  87   BOOST_TEST(fs::is_directory(unique_yy_zz));
  88
  89   path is_a_file(unique_dir / "uu");
  90   {
  91     std::ofstream f(is_a_file.string().c_str());
  92     BOOST_TEST(!!f);
  93   }
  94   BOOST_TEST(throws_fs_error(
  95     boost::bind(fs::create_directories, is_a_file)));
  96   BOOST_TEST(throws_fs_error(
  97     boost::bind(fs::create_directories, is_a_file / "aa")));
  98
  99 // recursive_directory_iterator tests ----------------------------------------//
 100
 101   sys::error_code ec;
 102   fs::recursive_directory_iterator it("/no-such-path", ec);
 103   BOOST_TEST(ec);
 104
 105   BOOST_TEST(throws_fs_error(
 106     boost::bind(create_recursive_iterator, "/no-such-path")));
 107
 108   fs::remove(unique_dir / "uu");
 109
 110 #ifdef BOOST_WINDOWS_API
 111   // These tests depends on ordering of directory entries, and that's guaranteed
 112   // on Windows but not necessarily on other operating systems
 113   {
 114     std::ofstream f(unique_yya.string().c_str());
 115     BOOST_TEST(!!f);
 116   }
 117
 118   for (it = fs::recursive_directory_iterator(unique_dir);
 119         it != fs::recursive_directory_iterator(); ++it)
 120     { std::cout << it->path() << '\n'; }
 121
 122   it = fs::recursive_directory_iterator(unique_dir);
 123   BOOST_TEST(it->path() == unique_yy);
 124   BOOST_TEST(it.depth() == 0);
 125   ++it;
 126   BOOST_TEST(it->path() == unique_yy_zz);
 127   BOOST_TEST(it.depth() == 1);
 128   it.pop();
 129   BOOST_TEST(it->path() == unique_yya);
 130   BOOST_TEST(it.depth() == 0);
 131   it++;
 132   BOOST_TEST(it == fs::recursive_directory_iterator());
 133
 134   it = fs::recursive_directory_iterator(unique_dir);
 135   BOOST_TEST(it->path() == unique_yy);
 136   it.disable_recursion_pending();
 137   ++it;
 138   BOOST_TEST(it->path() == unique_yya);
 139   ++it;
 140   BOOST_TEST(it == fs::recursive_directory_iterator());
 141
 142   fs::remove(unique_yya);
 143 #endif
 144
 145   it = fs::recursive_directory_iterator(unique_yy_zz);
 146   BOOST_TEST(it == fs::recursive_directory_iterator());
 147
 148   it = fs::recursive_directory_iterator(unique_dir);
 149   BOOST_TEST(it->path() == unique_yy);
 150   BOOST_TEST(it.depth() == 0);
 151   ++it;
 152   BOOST_TEST(it->path() == unique_yy_zz);
 153   BOOST_TEST(it.depth() == 1);
 154   it++;
 155   BOOST_TEST(it == fs::recursive_directory_iterator());
 156
 157   it = fs::recursive_directory_iterator(unique_dir);
 158   BOOST_TEST(it->path() == unique_yy);
 159   it.disable_recursion_pending();
 160   ++it;
 161   BOOST_TEST(it == fs::recursive_directory_iterator());
 162
 163   it = fs::recursive_directory_iterator(unique_dir);
 164   BOOST_TEST(it->path() == unique_yy);
 165   ++it;
 166   it.pop();
 167   BOOST_TEST(it == fs::recursive_directory_iterator());
 168
 169   ec.clear();
 170   BOOST_TEST(!ec);
 171   // check that two argument failed constructor creates the end iterator
 172   BOOST_TEST(fs::recursive_directory_iterator("nosuchdir", ec)
 173     == fs::recursive_directory_iterator());
 174   BOOST_TEST(ec);
 175
 176   fs::remove_all(unique_dir);  // clean up behind ourselves
 177
 178   return ::boost::report_errors();
 179 }