1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// 1999-10-11 bkoz
// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
// 27.5.2 template class basic_streambuf
#include <streambuf>
#include <cstring>
#include <testsuite_hooks.h>
class testbuf : public std::streambuf
{
public:
// Typedefs:
typedef std::streambuf::traits_type traits_type;
typedef std::streambuf::char_type char_type;
testbuf(): std::streambuf()
{ }
bool
check_pointers()
{
bool test __attribute__((unused)) = true;
VERIFY( this->eback() == NULL );
VERIFY( this->gptr() == NULL );
VERIFY( this->egptr() == NULL );
VERIFY( this->pbase() == NULL );
VERIFY( this->pptr() == NULL );
VERIFY( this->epptr() == NULL );
return test;
}
int_type
pub_uflow()
{ return (this->uflow()); }
int_type
pub_overflow(int_type __c = traits_type::eof())
{ return (this->overflow(__c)); }
int_type
pub_pbackfail(int_type __c)
{ return (this->pbackfail(__c)); }
void
pub_setg(char* beg, char* cur, char *end)
{ this->setg(beg, cur, end); }
void
pub_setp(char* beg, char* end)
{ this->setp(beg, end); }
protected:
int_type
underflow()
{
int_type __retval = traits_type::eof();
if (this->gptr() < this->egptr())
__retval = traits_type::not_eof(0);
return __retval;
}
};
void test02()
{
typedef testbuf::traits_type traits_type;
typedef testbuf::int_type int_type;
bool test __attribute__((unused)) = true;
char lit01[] = "chicago underground trio/possible cube on delmark";
size_t i01 = traits_type::length(lit01);
testbuf buf01;
// 27.5.2.1 basic_streambuf ctors
// default ctor initializes
// - all pointer members to null pointers
// - locale to current global locale
VERIFY( buf01.check_pointers() );
VERIFY( buf01.getloc() == std::locale() );
// 27.5.2.2.5 Put area
char carray01[i01];
std::memset(carray01, 0, i01);
buf01.pub_setg(lit01, lit01, lit01 + i01);
buf01.sgetn(carray01, 0);
VERIFY( carray01[0] == 0 );
buf01.sgetn(carray01, 1);
VERIFY( carray01[0] == 'c' );
buf01.sgetn(carray01 + 1, i01 - 1);
VERIFY( carray01[0] == 'c' );
VERIFY( carray01[1] == 'h' );
VERIFY( carray01[i01 - 1] == 'k' );
}
int main()
{
test02();
return 0;
}
|
