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1 // Copyright (C) 2004-2021 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/>.
19 // 27.6.1.1.2 class basic_istream::sentry
23 #include <testsuite_hooks.h>
27 const wchar_t* lit01
= L
"stereolab on the bolsinga tip";
28 const std::wstring
str01(lit01
);
30 std::wstringbuf strbuf01
;
31 std::wstringbuf
strbuf02(str01
);
32 std::wistream
istr01(&strbuf01
);
33 std::wistream
istr02(&strbuf02
);
36 std::wistream::sentry
sentry01(istr01
);
37 VERIFY( bool(sentry01
) == false );
39 std::wistream::sentry
sentry02(istr01
, true);
40 VERIFY( bool(sentry02
) == false );
43 std::wistream::sentry
sentry03(istr02
);
44 VERIFY( bool(sentry03
) == true );
46 std::wistream::sentry
sentry04(istr02
, true);
47 VERIFY( bool(sentry04
) == true );