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3 // Copyright (C) 1994-2019 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 // 21.3.6.3 basic_string find_first_of
23 #include <testsuite_hooks.h>
27 typedef std::wstring::size_type csize_type
;
28 csize_type npos
= std::wstring::npos
;
29 csize_type csz01
, csz02
;
31 const wchar_t str_lit01
[] = L
"mave";
32 const std::wstring
str01(L
"mavericks, santa cruz");
33 std::wstring
str02(str_lit01
);
34 std::wstring
str03(L
"s, s");
37 // size_type find_first_of(const wstring&, size_type pos = 0) const;
38 std::wstring
str05(L
"xena rulez");
39 csz01
= str01
.find_first_of(str01
);
41 csz01
= str01
.find_first_of(str01
, 4);
43 csz01
= str01
.find_first_of(str02
, 0);
45 csz01
= str01
.find_first_of(str02
, 3);
47 csz01
= str01
.find_first_of(str03
, 0);
49 csz01
= str01
.find_first_of(str03
, 3);
51 csz01
= str01
.find_first_of(str03
, 12);
52 VERIFY( csz01
== 16 );
53 csz01
= str01
.find_first_of(str05
, 0);
55 csz01
= str01
.find_first_of(str05
, 4);
58 // An empty string consists of no characters
59 // therefore it should be found at every point in a string,
60 // except beyond the end
61 // However, str1.find_first_of(str2,pos) finds the first character in
62 // str1 (starting at pos) that exists in str2, which is none for empty str2
63 csz01
= str01
.find_first_of(str04
, 0);
64 VERIFY( csz01
== npos
);
65 csz01
= str01
.find_first_of(str04
, 5);
66 VERIFY( csz01
== npos
);
68 // size_type find_first_of(const wchar_t* s, size_type pos, size_type n) const;
69 csz01
= str01
.find_first_of(str_lit01
, 0, 3);
71 csz01
= str01
.find_first_of(str_lit01
, 3, 0);
72 VERIFY( csz01
== npos
);
74 // size_type find_first_of(const wchar_t* s, size_type pos = 0) const;
75 csz01
= str01
.find_first_of(str_lit01
);
77 csz01
= str01
.find_first_of(str_lit01
, 3);
80 // size_type find_first_of(wchar_t c, size_type pos = 0) const;
81 csz01
= str01
.find_first_of(L
'z');
82 csz02
= str01
.size() - 1;
83 VERIFY( csz01
== csz02
);