]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/filesystem/path/factory/u8path.cc
1 // Copyright (C) 2019 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-options "-std=gnu++17" }
19 // { dg-do run { target c++17 } }
22 #include <string_view>
23 #include <testsuite_hooks.h>
25 namespace fs
= std::filesystem
;
30 fs::path p
= fs::u8path("");
33 p
= fs::u8path("filename");
34 VERIFY( p
.u8string() == u8
"filename" );
36 p
= fs::u8path("\xf0\x9d\x84\x9e");
37 VERIFY( p
.u8string() == u8
"\U0001D11E" );
39 std::string s1
= "filename2";
41 VERIFY( p
.u8string() == u8
"filename2" );
43 std::string s2
= "filename3";
44 p
= fs::u8path(s2
.begin(), s2
.end());
45 VERIFY( p
.u8string() == u8
"filename3" );
47 std::string_view sv1
{ s1
};
49 VERIFY( p
.u8string() == u8
"filename2" );
51 std::string_view sv2
{ s2
};
52 p
= fs::u8path(sv2
.begin(), sv2
.end());
53 VERIFY( p
.u8string() == u8
"filename3" );
59 // These calls to u8path are undefined, because they fail to meet the
60 // requirement that the input is valid UTF-8 data. For Windows u8path
61 // will fail. For POSIX constructing an invalid path appears to work,
62 // but will fail when converted to a different encoding.
65 auto p
= fs::u8path("\xf0\x9d"); // incomplete surrogate pair
68 } catch(const fs::filesystem_error
&) {
72 auto p
= fs::u8path("\xf0"); // incomplete multibyte character
75 } catch(const fs::filesystem_error
&) {