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()29 test01()
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()50 test02()
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()61 main()
62 {
63   test01();
64   test02();
65 }
66