1 // { dg-options "-std=gnu++17" }
2 // { dg-do run { target c++17 } }
3 
4 // Copyright (C) 2014-2020 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 // 8.4.9 path decomposition [path.decompose]
22 
23 #include <filesystem>
24 #include <testsuite_hooks.h>
25 #include <testsuite_fs.h>
26 
27 using std::filesystem::path;
28 
29 void
test01()30 test01()
31 {
32   VERIFY( path("/foo/bar.txt").extension() == ".txt" );
33   VERIFY( path("/foo/bar.baz.txt").extension() == ".txt" );
34   VERIFY( path(".").extension().empty() );
35   VERIFY( path("..").extension().empty() );
36 }
37 
38 int
main()39 main()
40 {
41   test01();
42 }
43