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
|
// 981208 bkoz test functionality of basic_stringbuf for char_type == char
// Copyright (C) 1997-2015 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/>.
#include <sstream>
#include <testsuite_hooks.h>
std::string str_01("mykonos. . . or what?");
std::string str_02("paris, or sainte-maxime?");
std::string str_03;
std::stringbuf strb_01(str_01);
std::stringbuf strb_02(str_02, std::ios_base::in);
std::stringbuf strb_03(str_03, std::ios_base::out);
// test overloaded virtual functions
void test04()
{
bool test __attribute__((unused)) = true;
std::string str_tmp;
std::streamsize strmsz_1, strmsz_2;
typedef std::stringbuf::int_type int_type;
typedef std::stringbuf::traits_type traits_type;
// PUT
strb_03.str(str_01); //reset
std::string::size_type sz1 = strb_03.str().length();
std::string::size_type sz2 = strb_03.str().length();
// streamsize sputn(const char_typs* s, streamsize n)
// write up to n chars to out_cur from s, returning number assigned
// NB *sputn will happily put '\0' into your stream if you give it a chance*
str_tmp = strb_03.str();
sz1 = str_tmp.length();
strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?"
sz2 = strb_03.str().length();
VERIFY( sz1 == sz2 ); //shouldn't have changed length
VERIFY( strmsz_1 == 10 );
VERIFY( str_tmp != strb_03.str() );
strmsz_2 = strb_03.sputn(", i wanna reach out and", 23);
VERIFY( strmsz_1 != strmsz_2 ); // should re-allocate, copy 10 chars.
VERIFY( strmsz_1 == 10 );
VERIFY( strmsz_2 == 23 );
sz2 = strb_03.str().length();
VERIFY( sz1 != sz2 ); // need to change length
VERIFY( str_tmp != strb_03.str() );
str_tmp = strb_02.str();
strmsz_1 = strb_02.sputn("racadabra", 10);
VERIFY( strmsz_1 == 0 );
VERIFY( str_tmp == strb_02.str() );
}
int main()
{
test04();
return 0;
}
// more candy!!!
|
