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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_stringbuf / seekoff / wchar_t / 16956.cc
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1// 2004-08-12 Paolo Carlini <pcarlini@suse.de>
2
3// Copyright (C) 2004 Free Software Foundation, Inc.
4//
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)
9// any later version.
10
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.
15
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
83f51799 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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19// USA.
20
21// 27.7.1.3 Overridden virtual functions
22
23#include <sstream>
24#include <testsuite_hooks.h>
25
26// libstdc++/16956
27void test01()
28{
29 bool test __attribute__((unused)) = true;
30 using namespace std;
31
32 typedef wstringbuf::int_type int_type;
33 typedef wstringbuf::traits_type traits_type;
34 typedef wstringbuf::pos_type pos_type;
35 typedef wstringbuf::off_type off_type;
36
37 wstringbuf strb_01(L"lara's place", ios_base::in);
38 pos_type pt_1 = strb_01.pubseekoff(5, ios_base::cur, ios_base::in);
39 int_type c1 = strb_01.sgetc();
40 VERIFY( c1 != traits_type::eof() );
41 pos_type pt_2 = strb_01.pubseekoff(2, ios_base::cur, ios_base::in);
42 pos_type pt_3 = strb_01.pubseekpos(pt_1, ios_base::in);
43 int_type c2 = strb_01.sbumpc();
44 VERIFY( off_type(pt_3) == off_type(pt_2) - 2 );
45 VERIFY( c2 == c1 );
46
47 wstringbuf strb_02(L"-", ios_base::out);
48 pos_type pt_4 = strb_02.pubseekoff(0, ios_base::cur, ios_base::out);
49 strb_02.sputn(L"red", 3);
50 pos_type pt_5 = strb_02.pubseekoff(-3, ios_base::cur, ios_base::out);
51 strb_02.pubseekpos(pt_5, ios_base::out);
52 VERIFY( off_type(pt_5) == off_type(pt_4) );
53 strb_02.sputn(L"blu", 3);
54 VERIFY( strb_02.str() == L"blu" );
55}
56
57int main()
58{
59 test01();
60 return 0;
61}