1 // { dg-options "-std=gnu++17" }
3 // Copyright (C) 2013-2022 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 namespace operations_rfind_1
{
22 // basic_string_view rfind
27 typedef gdb::string_view::size_type csize_type
;
28 typedef gdb::string_view::const_reference cref
;
29 typedef gdb::string_view::reference ref
;
30 csize_type npos
= gdb::string_view::npos
;
31 csize_type csz01
, csz02
;
33 const char str_lit01
[] = "mave";
34 const gdb::string_view
str01("mavericks, santa cruz");
35 gdb::string_view
str02(str_lit01
);
36 gdb::string_view
str03("s, s");
37 gdb::string_view str04
;
39 // size_type rfind(const string_view&, size_type pos = 0) const;
40 csz01
= str01
.rfind(str01
);
42 csz01
= str01
.rfind(str01
, 4);
44 csz01
= str01
.rfind(str02
,3);
46 csz01
= str01
.rfind(str02
);
48 csz01
= str01
.rfind(str03
);
50 csz01
= str01
.rfind(str03
, 3);
51 VERIFY( csz01
== npos
);
52 csz01
= str01
.rfind(str03
, 12);
55 // An empty string_view consists of no characters
56 // therefore it should be found at every point in a string_view,
57 // except beyond the end
58 csz01
= str01
.rfind(str04
, 0);
60 csz01
= str01
.rfind(str04
, 5);
62 csz01
= str01
.rfind(str04
, str01
.size());
63 VERIFY( csz01
== str01
.size() );
64 csz01
= str01
.rfind(str04
, str01
.size()+1);
65 VERIFY( csz01
== str01
.size() );
67 // size_type rfind(const char* s, size_type pos, size_type n) const;
68 csz01
= str01
.rfind(str_lit01
, 0, 3);
70 csz01
= str01
.rfind(str_lit01
, 3, 0);
73 // size_type rfind(const char* s, size_type pos = 0) const;
74 csz01
= str01
.rfind(str_lit01
);
76 csz01
= str01
.rfind(str_lit01
, 3);
79 // size_type rfind(char c, size_type pos = 0) const;
80 csz01
= str01
.rfind('z');
81 csz02
= str01
.size() - 1;
82 VERIFY( csz01
== csz02
);
83 csz01
= str01
.rfind('/');
84 VERIFY( csz01
== npos
);
95 } // namespace operations_rfind_1