libstdc++-v3/testsuite/experimental/filesystem/path/decompose/extension.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 <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").extension() == path(".txt") );
  34   VERIFY( path("/foo/bar.baz.txt").extension() == path(".txt") );
  35   VERIFY( path(".bar.baz.txt").extension() == path(".txt") );
  36
  37   VERIFY( path(".hidden").extension() == path(".hidden") );
  38
  39   VERIFY( path().extension() == path() );
  40   VERIFY( path(".").extension() == path() );
  41   VERIFY( path("..").extension() == path() );
  42 }
  43
  44 void
  45 test02()
  46 {
  47   for (const path p : __gnu_test::test_paths)
  48   {
  49     auto stem = p.stem();
  50     auto ext = p.extension();
  51     auto file = p.filename();
  52     VERIFY( stem.native() + ext.native() == file.native() );
  53   }
  54 }
  55
  56 int
  57 main()
  58 {
  59   test01();
  60   test02();
  61 }