3 // Copyright (C) 1999, 2003, 2009 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 template class basic_string
24 #include <testsuite_hooks.h>
26 // Do a quick sanity check on known problems with element access and
27 // ref-counted strings. These should all pass, regardless of the
28 // underlying string implementation, of course.
31 bool test __attribute__((unused)) = true;
32 typedef std::string::size_type csize_type;
33 typedef std::string::iterator siterator;
34 typedef std::string::reverse_iterator sriterator;
35 csize_type csz01, csz02;
39 std::string str01("montara beach, half moon bay");
40 const std::string str02("ocean beach, san francisco");
45 // References, pointers, and iterators referring to the elements of
46 // a basic_string may be invalidated by the following uses of that
47 // basic_string object:
51 // Susequent to any of the above uses except the forms of insert()
52 // and erase() which return iterators, the first call to non-const
53 // member functions operator[](), at(), begin(), rbegin(), end(), or
59 VERIFY( str01[0] == 'x' );
60 VERIFY( str03[0] == 'm' );
64 rit1 = str01.rbegin(); // NB: Pointing at one-past the end, so ...
65 *rit1 = 'z'; // ... but it's taken care of here
66 VERIFY( str01[csz01 - 1] == 'z' );
67 VERIFY( str03[csz01 - 1] == 'y' );
71 std::string::reference r1 = str01.at(csz01 - 2);
72 VERIFY( str03 == str01 );
74 VERIFY( str01[csz01 - 2] == 'd' );
75 VERIFY( str03[csz01 - 2] == 'a' );
79 std::string::reference r2 = str01[csz01 - 3];
80 VERIFY( str03 == str01 );
82 VERIFY( str01[csz01 - 3] == 'w' );
83 VERIFY( str03[csz01 - 3] == 'b' );
88 VERIFY( str03 == str01 );
91 VERIFY( str01[csz02 - 1] == 'q' );
92 VERIFY( str03[csz02 - 1] == 'z' );
96 VERIFY( str03 == str01 );
99 VERIFY( str01[0] == 'p' );
100 VERIFY( str03[0] == 'x' );
102 // need to also test for const begin/const end