libstdc++-v3/testsuite/experimental/filesystem/operations/copy.cc

   1 // { dg-options "-std=gnu++11 -lstdc++fs" }
   2 // { dg-require-filesystem-ts "" }
   3
   4 // Copyright (C) 2014-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // 15.3 Copy [fs.op.copy]
  22
  23 #include <experimental/filesystem>
  24 #include <fstream>
  25 #include <testsuite_fs.h>
  26 #include <testsuite_hooks.h>
  27
  28 namespace fs = std::experimental::filesystem;
  29
  30 // Test error conditions.
  31 void
  32 test01()
  33 {
  34   bool test __attribute__((unused)) = false;
  35
  36   auto p = __gnu_test::nonexistent_path();
  37   std::error_code ec;
  38
  39   VERIFY( !fs::exists(p) );
  40   fs::copy(p, ".", fs::copy_options::none, ec);
  41   VERIFY( ec );
  42
  43   ec.clear();
  44   fs::copy(".", ".", fs::copy_options::none, ec);
  45   VERIFY( ec );
  46
  47   std::ofstream{p.native()};
  48   VERIFY( fs::is_directory(".") );
  49   VERIFY( fs::is_regular_file(p) );
  50   ec.clear();
  51   fs::copy(".", p, fs::copy_options::none, ec);
  52   VERIFY( ec );
  53
  54   remove(p, ec);
  55 }
  56
  57 // Test is_symlink(f) case.
  58 void
  59 test02()
  60 {
  61   bool test __attribute__((unused)) = false;
  62
  63   auto from = __gnu_test::nonexistent_path();
  64   auto to = __gnu_test::nonexistent_path();
  65   std::error_code ec;
  66
  67   fs::create_symlink(".", from, ec);
  68   VERIFY( !ec );
  69   VERIFY( fs::exists(from) );
  70
  71   fs::copy(from, to, fs::copy_options::skip_symlinks, ec);
  72   VERIFY( !ec );
  73   VERIFY( !fs::exists(to) );
  74
  75   fs::copy(from, to, fs::copy_options::skip_symlinks, ec);
  76   VERIFY( !ec );
  77   VERIFY( !fs::exists(to) );
  78
  79   fs::copy(from, to,
  80            fs::copy_options::skip_symlinks|fs::copy_options::copy_symlinks,
  81            ec);
  82   VERIFY( !ec );
  83   VERIFY( !fs::exists(to) );
  84
  85   fs::copy(from, to, fs::copy_options::copy_symlinks, ec);
  86   VERIFY( !ec );
  87   VERIFY( fs::exists(to) );
  88
  89   fs::copy(from, to, fs::copy_options::copy_symlinks, ec);
  90   VERIFY( ec );
  91
  92   remove(from, ec);
  93   remove(to, ec);
  94 }
  95
  96 // Test is_regular_file(f) case.
  97 void
  98 test03()
  99 {
 100   bool test __attribute__((unused)) = false;
 101
 102   auto from = __gnu_test::nonexistent_path();
 103   auto to = __gnu_test::nonexistent_path();
 104
 105   // test empty file
 106   std::ofstream{from.native()};
 107   VERIFY( fs::exists(from) );
 108   VERIFY( fs::file_size(from) == 0 );
 109   fs::copy(from, to);
 110   VERIFY( fs::exists(to) );
 111   VERIFY( fs::file_size(to) == 0 );
 112
 113   remove(to);
 114   VERIFY( !fs::exists(to) );
 115   std::ofstream{from.native()} << "Hello, filesystem!";
 116   VERIFY( fs::file_size(from) != 0 );
 117   fs::copy(from, to);
 118   VERIFY( fs::exists(to) );
 119   VERIFY( fs::file_size(to) == fs::file_size(from) );
 120 }
 121
 122 // Test is_directory(f) case.
 123 void
 124 test04()
 125 {
 126   bool test __attribute__((unused)) = false;
 127
 128   auto from = __gnu_test::nonexistent_path();
 129   auto to = __gnu_test::nonexistent_path();
 130   std::error_code ec;
 131
 132 }
 133
 134 // Test no-op cases.
 135 void
 136 test05()
 137 {
 138   bool test __attribute__((unused)) = false;
 139
 140   auto to = __gnu_test::nonexistent_path();
 141   std::error_code ec;
 142
 143   fs::copy("/", to, fs::copy_options::create_symlinks, ec);
 144   VERIFY( !ec );
 145 }
 146
 147 int
 148 main()
 149 {
 150   test01();
 151   test02();
 152   test03();
 153   test04();
 154   test05();
 155 }