1 // { dg-options "-std=gnu++17" } 2 // { dg-do run { target c++17 } } 3 4 // Copyright (C) 2017-2020 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 // C++17 30.10.7.4.7 path generic format observers [fs.path.generic.obs] 22 23 #include <filesystem> 24 #include <testsuite_hooks.h> 25 26 using std::filesystem::path; 27 28 void test01()29test01() 30 { 31 VERIFY( path().generic_u32string() == U"" ); 32 VERIFY( path("/").generic_u32string() == U"/" ); 33 VERIFY( path("////").generic_u32string() == U"/" ); 34 #ifdef __CYGWIN__ 35 VERIFY( path("//a").generic_u32string() == U"//a" ); 36 VERIFY( path("//a/").generic_u32string() == U"//a/" ); 37 VERIFY( path("//a/b").generic_u32string() == U"//a/b" ); 38 #else 39 VERIFY( path("//a").generic_u32string() == U"/a" ); 40 VERIFY( path("//a/").generic_u32string() == U"/a/" ); 41 VERIFY( path("//a/b").generic_u32string() == U"/a/b" ); 42 #endif 43 VERIFY( path("/a//b").generic_u32string() == U"/a/b" ); 44 VERIFY( path("/a//b/").generic_u32string() == U"/a/b/" ); 45 VERIFY( path("/a//b//").generic_u32string() == U"/a/b/" ); 46 VERIFY( path("/a//b//.").generic_u32string() == U"/a/b/." ); 47 } 48 49 void test02()50test02() 51 { 52 if constexpr (path::preferred_separator == L'\\') 53 { 54 // PR libstdc++/93244 55 VERIFY( path("C:\\foo\\bar").generic_u32string() == U"C:/foo/bar" ); 56 VERIFY( path("C://foo//bar").generic_u32string() == U"C:/foo/bar" ); 57 } 58 } 59 60 int main()61main() 62 { 63 test01(); 64 test02(); 65 } 66