1 // { dg-options "-std=gnu++17" }
2 // { dg-do compile }
3 
4 // Copyright (C) 2016-2019 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 #include <string>
22 
23 struct CustomString
24 {
25   std::string data = "foo";
26   std::string_view data_view = data;
operator std::string_viewCustomString27   operator std::string_view() const {return data_view;}
28 };
29 
main()30 int main()
31 {
32     std::string x;
33     CustomString cs;
34     x.append("foo", 0, 3);
35     x.append(cs, 0, 3);
36     x.assign("foo", 0, 3);
37     x.assign(cs, 0, 3);
38     x.insert(0, "foo", 0, 3);
39     x.insert(0, cs, 0, 3);
40     x = "bar";
41     x.replace(0, 3, "foo", 0, 3);
42     x.replace(0, 3, cs, 0, 3);
43     x = "bar";
44     x.compare(0, 3, "foo", 0, 3);
45     x.compare(0, 3, cs, 0, 3);
46 }
47