1// 1999-08-16 bkoz
2
3// Copyright (C) 1999-2015 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 3, 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 COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// 27.6.2.5.4 basic_ostream character inserters
21
22#include <string>
23#include <ostream>
24#include <sstream>
25#include <testsuite_hooks.h>
26
27// ostringstream and positioning, multiple writes
28// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00326.html
29void test06()
30{
31  bool test __attribute__((unused)) = true;
32  const char carray01[] = "mos def & talib kweli are black star";
33
34  // normal
35  std::ostringstream ostr1("mos def");
36  VERIFY( ostr1.str() == "mos def" );
37  ostr1 << " & talib kweli";  // should overwrite first part of buffer
38  VERIFY( ostr1.str() == " & talib kweli" );
39  ostr1 << " are black star";  // should append to string from above
40  VERIFY( ostr1.str() != carray01 );
41  VERIFY( ostr1.str() == " & talib kweli are black star" );
42
43  // appending
44  std::ostringstream ostr2("blackalicious",
45			   std::ios_base::out | std::ios_base::ate);
46  VERIFY( ostr2.str() == "blackalicious" );
47  ostr2 << " NIA ";  // should not overwrite first part of buffer
48  VERIFY( ostr2.str() == "blackalicious NIA " );
49  ostr2 << "4: deception (5:19)";  // should append to full string from above
50  VERIFY( ostr2.str() == "blackalicious NIA 4: deception (5:19)" );
51}
52
53int main()
54{
55  test06();
56  return 0;
57}
58