libstdc++-v3/testsuite/experimental/filesystem/path/decompose/stem.cc

   1 // { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
   2 // { dg-do run { target c++11 } }
   3 // { dg-require-filesystem-ts "" }
   4
   5 // Copyright (C) 2014-2024 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 8.4.9 path decomposition [path.decompose]
  23
  24 #include <experimental/filesystem>
  25 #include <vector>
  26 #include <testsuite_hooks.h>
  27 #include <testsuite_fs.h>
  28
  29 using std::experimental::filesystem::path;
  30
  31 void
  32 test01()
  33 {
  34   VERIFY( path("/foo/bar.txt").stem() == path("bar") );
  35   path p = "foo.bar.baz.tar";
  36   std::vector<std::string> v;
  37   for (; !p.extension().empty(); p = p.stem())
  38     v.push_back(p.extension().string());
  39   VERIFY( v.at(0) == ".tar" );
  40   VERIFY( v.at(1) == ".baz" );
  41   VERIFY( v.at(2) == ".bar" );
  42
  43   VERIFY( path(".hidden").stem() == path() );
  44
  45   VERIFY( path().stem() == path() );
  46   VERIFY( path(".").stem() == path(".") );
  47   VERIFY( path("..").stem() == path("..") );
  48 }
  49
  50 int
  51 main()
  52 {
  53   test01();
  54 }