1 // 2004-09-29 Paolo Carlini <pcarlini@suse.de>
3 // Copyright (C) 2004-2024 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 // C++03 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
23 #include <testsuite_hooks.h>
24 #include <testsuite_io.h>
26 // http://gcc.gnu.org/ml/libstdc++/2004-09/msg00243.html
29 __gnu_test::constraint_stringbuf sbuf
;
30 VERIFY( sbuf
.check_pointers() );
36 VERIFY( sbuf
.str().empty() );
38 std::stringbuf
sbuf1(std::ios::in
);
39 VERIFY( sbuf1
.str().empty() );
41 const std::string str
= "This is my boomstick!";
43 std::stringbuf
sbuf2(str
);
44 VERIFY( sbuf2
.str() == str
);
46 std::stringbuf
sbuf3(str
, std::ios::in
);
47 VERIFY( sbuf3
.str() == str
);
48 VERIFY( sbuf3
.sgetc() == str
[0] );
49 VERIFY( sbuf3
.sputc('X') == std::stringbuf::traits_type::eof() );
51 std::stringbuf
sbuf4(str
, std::ios::out
);
52 VERIFY( sbuf4
.str() == str
);
53 VERIFY( sbuf4
.sputc('Y') == 'Y' );
54 VERIFY( sbuf4
.sgetc() == std::stringbuf::traits_type::eof() );
56 #if __cplusplus >= 201103L
57 static_assert( ! std::is_convertible
<std::ios::openmode
, std::stringbuf
>(),
58 "stringbuf(ios::openmode) is explicit");
60 static_assert( ! std::is_convertible
<const std::string
&, std::stringbuf
>(),
61 "stringbuf(string, ios::openmode) is explicit");