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
|
// 1999-10-11 bkoz
// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2009, 2010
// 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.5.2 template class basic_streambuf
#include <streambuf>
#include <cwchar>
#include <testsuite_hooks.h>
class testbuf : public std::wstreambuf
{
public:
// Typedefs:
typedef std::wstreambuf::traits_type traits_type;
typedef std::wstreambuf::char_type char_type;
testbuf(): std::wstreambuf()
{ }
bool
check_pointers()
{
bool test __attribute__((unused)) = true;
VERIFY( !this->eback() );
VERIFY( !this->gptr() );
VERIFY( !this->egptr() );
VERIFY( !this->pbase() );
VERIFY( !this->pptr() );
VERIFY( !this->epptr() );
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(wchar_t* beg, wchar_t* cur, wchar_t* end)
{ this->setg(beg, cur, end); }
void
pub_setp(wchar_t* beg, wchar_t* 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;
wchar_t lit01[] = L"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
wchar_t carray01[i01];
std::wmemset(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] == L'c' );
buf01.sgetn(carray01 + 1, i01 - 1);
VERIFY( carray01[0] == L'c' );
VERIFY( carray01[1] == L'h' );
VERIFY( carray01[i01 - 1] == L'k' );
}
int main()
{
test02();
return 0;
}
|
