3 // Copyright (C) 1999, 2003 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 2, 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 COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // 21.3 template class basic_string
25 #include <testsuite_hooks.h>
27 // Do a quick sanity check on known problems with element access and
28 // ref-counted strings. These should all pass, regardless of the
29 // underlying string implementation, of course.
32 bool test __attribute__((unused)) = true;
33 typedef std::wstring::size_type csize_type;
34 typedef std::wstring::iterator siterator;
35 typedef std::wstring::reverse_iterator sriterator;
36 csize_type csz01, csz02;
40 std::wstring str01(L"montara beach, half moon bay");
41 const std::wstring str02(L"ocean beach, san francisco");
46 // References, pointers, and iterators referring to the elements of
47 // a basic_string may be invalidated by the following uses of that
48 // basic_string object:
52 // Susequent to any of the above uses except the forms of insert()
53 // and erase() which return iterators, the first call to non-const
54 // member functions operator[](), at(), begin(), rbegin(), end(), or
60 VERIFY( str01[0] == L'x' );
61 VERIFY( str03[0] == L'm' );
65 rit1 = str01.rbegin(); // NB: Pointing at one-past the end, so ...
66 *rit1 = L'z'; // ... but it's taken care of here
67 VERIFY( str01[csz01 - 1] == L'z' );
68 VERIFY( str03[csz01 - 1] == L'y' );
72 std::wstring::reference r1 = str01.at(csz01 - 2);
73 VERIFY( str03 == str01 );
75 VERIFY( str01[csz01 - 2] == L'd' );
76 VERIFY( str03[csz01 - 2] == L'a' );
80 std::wstring::reference r2 = str01[csz01 - 3];
81 VERIFY( str03 == str01 );
83 VERIFY( str01[csz01 - 3] == L'w' );
84 VERIFY( str03[csz01 - 3] == L'b' );
89 VERIFY( str03 == str01 );
92 VERIFY( str01[csz02 - 1] == L'q' );
93 VERIFY( str03[csz02 - 1] == L'z' );
97 VERIFY( str03 == str01 );
100 VERIFY( str01[0] == L'p' );
101 VERIFY( str03[0] == L'x' );
103 // need to also test for const begin/const end