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 #ifdef _GLIBCXX_USE_WCHAR_T
52   auto strw = p.string<wchar_t>();
53   VERIFY( strw == L"abc" );
54   VERIFY( strw == p.wstring() );
55 #endif
56 
57   auto str16 = p.string<char16_t>();
58   VERIFY( str16 == u"abc" );
59   VERIFY( str16 == p.u16string() );
60 
61   auto str32 = p.string<char32_t>();
62   VERIFY( str32 == U"abc" );
63   VERIFY( str32 == p.u32string() );
64 }
65 
66 void
test03()67 test03()
68 {
69   std::filesystem::path p;
70   auto str8 = p.u8string();
71   VERIFY( str8 == u8"" );
72   auto str16 = p.u16string();
73   VERIFY( str16 == u"" );
74   auto str32 = p.u32string();
75   VERIFY( str32 == U"" );
76 }
77 
78 void
test04()79 test04()
80 {
81   // PR libstdc++/90281
82   auto p = std::filesystem::u8path("\xf0\x9d\x84\x9e");
83   auto str8 = p.u8string();
84   VERIFY( str8 == u8"\U0001D11E" );
85   auto str16 = p.u16string();
86   VERIFY( str16 == u"\U0001D11E" );
87   auto str32 = p.u32string();
88   VERIFY( str32 == U"\U0001D11E" );
89 }
90 
91 int
main()92 main()
93 {
94   test01();
95   test02();
96   test03();
97   test04();
98 }
99