1 // Copyright (C) 2016-2021 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 // { dg-do run { target c++17 } }
19 
20 #include <filesystem>
21 #include <string>
22 #include <testsuite_hooks.h>
23 
24 void
test01()25 test01()
26 {
27   using namespace std::filesystem;
28   using string_type = std::basic_string<path::value_type>;
29   const string_type s{ 'a', 'b', 'c' };
30   path p(s);
31 
32   VERIFY( p.native() == s );
33   VERIFY( p.c_str() == s );
34   VERIFY( static_cast<string_type>(p) == s );
35 
36   string_type s2 = p; // implicit conversion
37   VERIFY( s2 == p.native() );
38 }
39 
40 void
test02()41 test02()
42 {
43   using namespace std::filesystem;
44   const char* s = "abc";
45   path p(s);
46 
47   auto str = p.string<char>();
48   VERIFY( str == "abc" );
49   VERIFY( str == p.string() );
50 
51   auto strw = p.string<wchar_t>();
52   VERIFY( strw == L"abc" );
53   VERIFY( strw == p.wstring() );
54 
55   auto str16 = p.string<char16_t>();
56   VERIFY( str16 == u"abc" );
57   VERIFY( str16 == p.u16string() );
58 
59   auto str32 = p.string<char32_t>();
60   VERIFY( str32 == U"abc" );
61   VERIFY( str32 == p.u32string() );
62 }
63 
64 void
test03()65 test03()
66 {
67   std::filesystem::path p;
68   auto str8 = p.u8string();
69   VERIFY( str8 == u8"" );
70   auto str16 = p.u16string();
71   VERIFY( str16 == u"" );
72   auto str32 = p.u32string();
73   VERIFY( str32 == U"" );
74 }
75 
76 void
test04()77 test04()
78 {
79   // PR libstdc++/90281
80   auto p = std::filesystem::u8path("\xf0\x9d\x84\x9e");
81   auto str8 = p.u8string();
82   VERIFY( str8 == u8"\U0001D11E" );
83   auto str16 = p.u16string();
84   VERIFY( str16 == u"\U0001D11E" );
85   auto str32 = p.u32string();
86   VERIFY( str32 == U"\U0001D11E" );
87 }
88 
89 int
main()90 main()
91 {
92   test01();
93   test02();
94   test03();
95   test04();
96 }
97