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

   1 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
  19 // { dg-do run { target c++11 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <experimental/filesystem>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_fs.h>
  25
  26 namespace fs = std::experimental::filesystem;
  27
  28 void
  29 test01()
  30 {
  31   std::error_code ec;
  32   auto p = __gnu_test::nonexistent_path();
  33   canonical( p, ec );
  34   VERIFY( ec );
  35
  36   p = fs::current_path();
  37   canonical( p, ec );
  38   VERIFY( !ec );
  39
  40   const auto root = fs::absolute("/");
  41
  42   p = "/";
  43   p = canonical( p, ec );
  44   VERIFY( p == root );
  45   VERIFY( !ec );
  46
  47   p = "/.";
  48   p = canonical( p, ec );
  49   VERIFY( p == root );
  50   VERIFY( !ec );
  51
  52   p = "/..";
  53   p = canonical( p, ec );
  54   VERIFY( p == root );
  55   VERIFY( !ec );
  56
  57   p = "/../.././.";
  58   p = canonical( p, ec );
  59   VERIFY( p == root );
  60   VERIFY( !ec );
  61 }
  62
  63 void
  64 test02()
  65 {
  66 #if __cpp_exceptions
  67   fs::path p = "rel", base = __gnu_test::nonexistent_path();
  68   fs::path e1, e2;
  69   try {
  70     canonical(p, base);
  71   } catch (const fs::filesystem_error& e) {
  72     e1 = e.path1();
  73     e2 = e.path2();
  74   }
  75   VERIFY( e1 == p );
  76   VERIFY( e2 == base );
  77 #endif
  78 }
  79
  80 int
  81 main()
  82 {
  83   test01();
  84   test02();
  85 }