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
|
// 1999-10-14 bkoz
// Copyright (C) 1999, 2001, 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, 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.
// 27.6.1.1.2 class basic_istream::sentry
#include <istream>
#include <sstream>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
const char* lit01 = "stereolab on the bolsinga tip";
const std::string str01(lit01);
std::stringbuf strbuf01;
std::stringbuf strbuf02(str01);
std::istream istr01(&strbuf01);
std::istream istr02(&strbuf02);
// test negatives
std::istream::sentry sentry01(istr01);
VERIFY( bool(sentry01) == false );
std::istream::sentry sentry02(istr01, true);
VERIFY( bool(sentry02) == false );
// positive tests
std::istream::sentry sentry03(istr02);
VERIFY( bool(sentry03) == true );
std::istream::sentry sentry04(istr02, true);
VERIFY( bool(sentry04) == true );
}
int main()
{
test01();
return 0;
}
|
