1// 1999-10-11 bkoz
2
3// Copyright (C) 1999, 2000, 2001, 2002, 2003 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
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
29
30// 27.5.2 template class basic_streambuf
31
32#include <streambuf>
33#include <testsuite_hooks.h>
34
35class testbuf : public std::streambuf
36{
37public:
38
39  // Typedefs:
40  typedef std::streambuf::traits_type traits_type;
41  typedef std::streambuf::char_type char_type;
42
43  testbuf(): std::streambuf()
44  { }
45
46  bool
47  check_pointers()
48  {
49    bool test __attribute__((unused)) = true;
50    VERIFY( this->eback() == NULL );
51    VERIFY( this->gptr() == NULL );
52    VERIFY( this->egptr() == NULL );
53    VERIFY( this->pbase() == NULL );
54    VERIFY( this->pptr() == NULL );
55    VERIFY( this->epptr() == NULL );
56    return test;
57  }
58
59  int_type
60  pub_uflow()
61  { return (this->uflow()); }
62
63  int_type
64  pub_overflow(int_type __c = traits_type::eof())
65  { return (this->overflow(__c)); }
66
67  int_type
68  pub_pbackfail(int_type __c)
69  { return (this->pbackfail(__c)); }
70
71  void
72  pub_setg(char* beg, char* cur, char *end)
73  { this->setg(beg, cur, end); }
74
75  void
76  pub_setp(char* beg, char* end)
77  { this->setp(beg, end); }
78
79protected:
80  int_type
81  underflow()
82  {
83    int_type __retval = traits_type::eof();
84    if (this->gptr() < this->egptr())
85      __retval = traits_type::not_eof(0);
86    return __retval;
87  }
88};
89
90void test01()
91{
92  typedef testbuf::traits_type traits_type;
93  typedef testbuf::int_type int_type;
94
95  bool test __attribute__((unused)) = true;
96  char lit01[52];
97  strcpy(lit01, "chicago underground trio/possible cube on delmark");
98  testbuf buf01;
99
100  // 27.5.2.3.1 get area
101  // 27.5.2.2.3 get area
102  // 27.5.2.4.3 get area
103  int i01 = 3;
104  buf01.pub_setg(lit01, lit01, (lit01 + i01));
105  VERIFY( i01 == buf01.in_avail() );
106
107  VERIFY( buf01.pub_uflow() == lit01[0] );
108  VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[1]) );
109  VERIFY( buf01.pub_uflow() == lit01[1] );
110  VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[2]) );
111  VERIFY( buf01.pub_uflow() == lit01[2] );
112  VERIFY( buf01.sgetc() == traits_type::eof() );
113}
114
115int main()
116{
117  test01();
118  return 0;
119}
120