1 |
19 |
jlechner |
// 1999-07-26 bkoz
|
2 |
|
|
|
3 |
|
|
// Copyright (C) 1999, 2003, 2005 Free Software Foundation
|
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 |
|
|
// 27.6.1.2.3 character extractors
|
22 |
|
|
|
23 |
|
|
#include <istream>
|
24 |
|
|
#include <sstream>
|
25 |
|
|
#include <testsuite_hooks.h>
|
26 |
|
|
|
27 |
|
|
void test01()
|
28 |
|
|
{
|
29 |
|
|
bool test __attribute__((unused)) = true;
|
30 |
|
|
std::string str_01;
|
31 |
|
|
const std::string str_02("coltrane playing 'softly as a morning sunrise'");
|
32 |
|
|
const std::string str_03("coltrane");
|
33 |
|
|
|
34 |
|
|
std::stringbuf isbuf_01(std::ios_base::in);
|
35 |
|
|
std::stringbuf isbuf_02(str_02, std::ios_base::in);
|
36 |
|
|
std::istream is_01(NULL);
|
37 |
|
|
std::istream is_02(&isbuf_02);
|
38 |
|
|
|
39 |
|
|
std::ios_base::iostate state1, state2, statefail;
|
40 |
|
|
statefail = std::ios_base::failbit;
|
41 |
|
|
|
42 |
|
|
// template<_CharT, _Traits>
|
43 |
|
|
// basic_istream& operator>>(istream&, _CharT*)
|
44 |
|
|
const int n = 20;
|
45 |
|
|
char array1[n];
|
46 |
|
|
array1[0] = '\0';
|
47 |
|
|
typedef std::ios::traits_type ctraits_type;
|
48 |
|
|
ctraits_type::int_type i1, i2;
|
49 |
|
|
|
50 |
|
|
state1 = is_01.rdstate();
|
51 |
|
|
i1 = ctraits_type::length(array1);
|
52 |
|
|
is_01 >> array1; // should snake 0 characters, not alter stream state
|
53 |
|
|
i2 = ctraits_type::length(array1);
|
54 |
|
|
state2 = is_01.rdstate();
|
55 |
|
|
VERIFY( i1 == i2 );
|
56 |
|
|
VERIFY( state1 != state2 );
|
57 |
|
|
VERIFY( static_cast<bool>(state2 & statefail) );
|
58 |
|
|
|
59 |
|
|
state1 = is_02.rdstate();
|
60 |
|
|
is_02 >> array1; // should snake "coltrane"
|
61 |
|
|
state2 = is_02.rdstate();
|
62 |
|
|
VERIFY( state1 == state2 );
|
63 |
|
|
VERIFY( !static_cast<bool>(state2 & statefail) );
|
64 |
|
|
VERIFY( array1[str_03.size() - 1] == 'e' );
|
65 |
|
|
array1[str_03.size()] = '\0';
|
66 |
|
|
VERIFY( !str_03.compare(0, str_03.size(), array1) );
|
67 |
|
|
std::istream::int_type int1 = is_02.peek(); // should be ' '
|
68 |
|
|
VERIFY( int1 == ' ' );
|
69 |
|
|
|
70 |
|
|
state1 = is_02.rdstate();
|
71 |
|
|
is_02 >> array1; // should snake "playing" as sentry "eats" ws
|
72 |
|
|
state2 = is_02.rdstate();
|
73 |
|
|
int1 = is_02.peek(); // should be ' '
|
74 |
|
|
VERIFY( int1 == ' ' );
|
75 |
|
|
VERIFY( state1 == state2 );
|
76 |
|
|
VERIFY( !static_cast<bool>(state2 & statefail) );
|
77 |
|
|
|
78 |
|
|
// template<_CharT, _Traits>
|
79 |
|
|
// basic_istream& operator>>(istream&, unsigned char*)
|
80 |
|
|
unsigned char array2[n];
|
81 |
|
|
state1 = is_02.rdstate();
|
82 |
|
|
is_02 >> array2; // should snake 'softly
|
83 |
|
|
state2 = is_02.rdstate();
|
84 |
|
|
VERIFY( state1 == state2 );
|
85 |
|
|
VERIFY( !static_cast<bool>(state2 & statefail) );
|
86 |
|
|
VERIFY( array2[0] == '\'' );
|
87 |
|
|
VERIFY( array2[1] == 's' );
|
88 |
|
|
VERIFY( array2[6] == 'y' );
|
89 |
|
|
int1 = is_02.peek(); // should be ' '
|
90 |
|
|
VERIFY( int1 == ' ' );
|
91 |
|
|
|
92 |
|
|
// template<_CharT, _Traits>
|
93 |
|
|
// basic_istream& operator>>(istream&, signed char*)
|
94 |
|
|
signed char array3[n];
|
95 |
|
|
state1 = is_02.rdstate();
|
96 |
|
|
is_02 >> array3; // should snake "as"
|
97 |
|
|
state2 = is_02.rdstate();
|
98 |
|
|
VERIFY( state1 == state2 );
|
99 |
|
|
VERIFY( !static_cast<bool>(state2 & statefail) );
|
100 |
|
|
VERIFY( array3[0] == 'a' );
|
101 |
|
|
VERIFY( array3[1] == 's' );
|
102 |
|
|
int1 = is_02.peek(); // should be ' '
|
103 |
|
|
VERIFY( int1 == ' ' );
|
104 |
|
|
}
|
105 |
|
|
|
106 |
|
|
int main()
|
107 |
|
|
{
|
108 |
|
|
test01();
|
109 |
|
|
return 0;
|
110 |
|
|
}
|