libstdc++-v3/testsuite/experimental/filesystem/path/decompose/filename.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) 2014-2023 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 <testsuite_hooks.h>
  26 #include <testsuite_fs.h>
  27
  28 using std::experimental::filesystem::path;
  29
  30 void
  31 test01()
  32 {
  33   VERIFY( path("/foo/bar.txt").filename() == "bar.txt"  );
  34   VERIFY( path("/").filename()            == "/"        );
  35   VERIFY( path(".").filename()            == "."        );
  36   VERIFY( path("..").filename()           == ".."       );
  37 }
  38
  39 void
  40 test02()
  41 {
  42   for (const path p : __gnu_test::test_paths)
  43   {
  44     path f = p.filename();
  45     if (p.empty())
  46       VERIFY( f.empty() );
  47     else
  48       VERIFY( f == *--p.end() );
  49     if (p != p.root_path())
  50       VERIFY( !f.has_root_path() );
  51   }
  52 }
  53
  54 int
  55 main()
  56 {
  57   test01();
  58   test02();
  59 }