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1 // Copyright (C) 2004-2016 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // 27.6.1.3 unformatted input functions
20 #include <cwchar> // for wcslen
23 #include <testsuite_hooks.h>
25 // [patch] bits/istream.tcc - getline(char_type*,streamsize,char_type)
26 // http://gcc.gnu.org/ml/libstdc++/2000-07/msg00003.html
30 const wchar_t* charray
= L
"\n"
46 bool test
__attribute__((unused
)) = true;
47 const std::streamsize it
= 5;
48 std::streamsize br
= 0;
50 std::wstringbuf
sb(charray
, std::ios_base::in
);
51 std::wistream
ifs(&sb
);
52 std::streamsize blen
= std::wcslen(charray
);
54 while(ifs
.getline(tmp
, it
) || ifs
.gcount())
59 // Just sanity checks to make sure we've extracted the same
60 // number of chars that were in the streambuf
62 // Also, we should only set the failbit if we could
63 // _extract_ no chars from the stream, i.e. the first read
65 VERIFY( ifs
.fail() && ifs
.gcount() == 0 );
72 // -> extracted no characters
74 // -> n - 1 characters are stored
75 ifs
.clear(ifs
.rdstate() & ~std::ios::failbit
);
76 VERIFY( (ifs
.gcount() == 0) || (std::wcslen(tmp
) == it
- 1) );
82 // delimiter was read.
84 // -> wcslen(__s) < n - 1
85 // -> delimiter was seen -> gcount() > wcslen(__s)
86 VERIFY( ifs
.gcount() == static_cast<std::streamsize
>(std::wcslen(tmp
)