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 <vector> 25 #include <testsuite_hooks.h> 26 #include <testsuite_fs.h> 27 28 using std::filesystem::path; 29 30 void test01()31test01() 32 { 33 VERIFY( path("/foo/bar.txt").stem() == path("bar") ); 34 path p = "foo.bar.baz.tar"; 35 std::vector<std::string> v; 36 for (; !p.extension().empty(); p = p.stem()) 37 v.push_back(p.extension().string()); 38 VERIFY( v.at(0) == ".tar" ); 39 VERIFY( v.at(1) == ".baz" ); 40 VERIFY( v.at(2) == ".bar" ); 41 42 VERIFY( path(".profile").stem() == path(".profile") ); 43 VERIFY( path(".profile.old").stem() == path(".profile") ); 44 VERIFY( path("..abc").stem() == path(".") ); 45 VERIFY( path("...abc").stem() == path("..") ); 46 VERIFY( path("abc..def").stem() == path("abc.") ); 47 VERIFY( path("abc...def").stem() == path("abc..") ); 48 VERIFY( path("abc.").stem() == path("abc") ); 49 VERIFY( path("abc..").stem() == path("abc.") ); 50 VERIFY( path("abc.d.").stem() == path("abc.d") ); 51 VERIFY( path("..").stem() == path("..") ); 52 VERIFY( path(".").stem() == path(".") ); 53 54 VERIFY( path().stem() == path() ); 55 } 56 57 int main()58main() 59 { 60 test01(); 61 } 62