1// Copyright (C) 2005-2015 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 3, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// 27.6.2.5.4 basic_ostream character inserters
19
20#include <string>
21#include <ostream>
22#include <sstream>
23#include <testsuite_hooks.h>
24
25// ostringstream and positioning, multiple writes
26// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00326.html
27void test06()
28{
29  bool test __attribute__((unused)) = true;
30  const wchar_t carray01[] = L"mos def & talib kweli are black star";
31
32  // normal
33  std::wostringstream ostr1(L"mos def");
34  VERIFY( ostr1.str() == L"mos def" );
35  ostr1 << L" & talib kweli";  // should overwrite first part of buffer
36  VERIFY( ostr1.str() == L" & talib kweli" );
37  ostr1 << L" are black star";  // should append to string from above
38  VERIFY( ostr1.str() != carray01 );
39  VERIFY( ostr1.str() == L" & talib kweli are black star" );
40
41  // appending
42  std::wostringstream ostr2(L"blackalicious",
43			    std::ios_base::out | std::ios_base::ate);
44  VERIFY( ostr2.str() == L"blackalicious" );
45  ostr2 << L" NIA ";  // should not overwrite first part of buffer
46  VERIFY( ostr2.str() == L"blackalicious NIA " );
47  ostr2 << L"4: deception (5:19)";  // should append to full string from above
48  VERIFY( ostr2.str() == L"blackalicious NIA 4: deception (5:19)" );
49}
50
51int main()
52{
53  test06();
54  return 0;
55}
56