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
|
// 1999-04-12 bkoz
// Copyright (C) 1999, 2000, 2002, 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.6.1.2.2 arithmetic extractors
#include <cstdio> // for printf
#include <istream>
#include <ostream>
#include <sstream>
#include <locale>
#include <testsuite_hooks.h>
std::string str_01;
std::string str_02("true false 0 1 110001");
std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5");
std::string str_04("0123");
std::stringbuf isbuf_01(std::ios_base::in);
std::stringbuf isbuf_02(str_02, std::ios_base::in);
std::stringbuf isbuf_03(str_03, std::ios_base::in);
std::stringbuf isbuf_04(str_04, std::ios_base::in);
std::istream is_01(NULL);
std::istream is_02(&isbuf_02);
std::istream is_03(&isbuf_03);
std::istream is_04(&isbuf_04);
std::stringstream ss_01(str_01);
// libstdc++/3720 part two
void test13()
{
using namespace std;
bool test = true;
const char* l1 = "12345678901234567890123456789012345678901234567890123456";
const char* l2 = "1.2345678901234567890123456789012345678901234567890123456"
" "
"1246.9";
// 1
// used to core.
double d;
istringstream iss1(l2);
iss1 >> d;
iss1 >> d;
VERIFY (d > 1246 && d < 1247);
// 2
// quick test for failbit on maximum length extraction.
int i;
int max_digits = numeric_limits<int>::digits10 + 1;
string digits;
for (int j = 0; j < max_digits; ++j)
digits += '1';
istringstream iss2(digits);
iss2 >> i;
VERIFY( !iss2.fail() );
digits += '1';
i = 0;
iss2.str(digits);
iss2.clear();
iss2 >> i;
VERIFY( i == 0 );
VERIFY( iss2.fail() );
}
int main()
{
test13();
return 0;
}
|
