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1 // Copyright (C) 2004-2023 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
22 #include <testsuite_hooks.h>
27 const std::wstring str_01
;
28 const std::wstring
str_02(L
"soul eyes: john coltrane quartet");
31 std::wstringbuf
isbuf_03(str_02
, std::ios_base::in
);
32 std::wstringbuf
isbuf_04(str_02
, std::ios_base::in
);
33 std::wstringbuf
isbuf_05(str_02
, std::ios_base::in
);
35 std::wistream
is_00(&isbuf_05
);
36 std::wistream
is_03(&isbuf_03
);
37 std::wistream
is_04(&isbuf_04
);
38 std::ios_base::iostate state1
, state2
;
40 // istream& putback(char_type c)
43 state1
= is_04
.rdstate();
45 VERIFY( is_04
.gcount() == 0 ); // DR 60
46 state2
= is_04
.rdstate();
47 VERIFY( state1
== state2
);
48 VERIFY( is_04
.peek() == L
't' );
52 state1
= is_04
.rdstate();
54 VERIFY( is_04
.gcount() == 0 ); // DR 60
55 state2
= is_04
.rdstate();
56 VERIFY( state1
== state2
);
57 VERIFY( is_04
.peek() == L
'r' );
61 int count1
= is_00
.gcount();
63 int count2
= is_00
.gcount();
64 VERIFY (count1
== count2
); // DR 60