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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc
1 // { dg-do run { target c++14 } }
3 // Copyright (C) 2013-2021 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 // basic_string_view find_first_of
22 #include <experimental/string_view>
23 #include <testsuite_hooks.h>
28 typedef std::experimental::string_view::size_type csize_type
;
29 csize_type npos
= std::experimental::string_view::npos
;
30 csize_type csz01
, csz02
;
32 const char str_lit01
[] = "mave";
33 const std::experimental::string_view
str01("mavericks, santa cruz");
34 std::experimental::string_view
str02(str_lit01
);
35 std::experimental::string_view
str03("s, s");
36 std::experimental::string_view str04
;
38 // size_type find_first_of(const string_view&, size_type pos = 0) const;
39 std::experimental::string_view
str05("xena rulez");
40 csz01
= str01
.find_first_of(str01
);
42 csz01
= str01
.find_first_of(str01
, 4);
44 csz01
= str01
.find_first_of(str02
, 0);
46 csz01
= str01
.find_first_of(str02
, 3);
48 csz01
= str01
.find_first_of(str03
, 0);
50 csz01
= str01
.find_first_of(str03
, 3);
52 csz01
= str01
.find_first_of(str03
, 12);
53 VERIFY( csz01
== 16 );
54 csz01
= str01
.find_first_of(str05
, 0);
56 csz01
= str01
.find_first_of(str05
, 4);
59 // An empty string_view consists of no characters
60 // therefore it should be found at every point in a string_view,
61 // except beyond the end
62 // However, str1.find_first_of(str2,pos) finds the first character in
63 // str1 (starting at pos) that exists in str2, which is none for empty str2
64 csz01
= str01
.find_first_of(str04
, 0);
65 VERIFY( csz01
== npos
);
66 csz01
= str01
.find_first_of(str04
, 5);
67 VERIFY( csz01
== npos
);
69 // size_type find_first_of(const char* s, size_type pos, size_type n) const;
70 csz01
= str01
.find_first_of(str_lit01
, 0, 3);
72 csz01
= str01
.find_first_of(str_lit01
, 3, 0);
73 VERIFY( csz01
== npos
);
75 // size_type find_first_of(const char* s, size_type pos = 0) const;
76 csz01
= str01
.find_first_of(str_lit01
);
78 csz01
= str01
.find_first_of(str_lit01
, 3);
81 // size_type find_first_of(char c, size_type pos = 0) const;
82 csz01
= str01
.find_first_of('z');
83 csz02
= str01
.size() - 1;
84 VERIFY( csz01
== csz02
);