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1 | // Copyright (C) 2004-2024 Free Software Foundation, Inc. | |
2 | // | |
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) | |
7 | // any later version. | |
8 | ||
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. | |
13 | ||
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/>. | |
17 | ||
18 | // 27.6.1.3 unformatted input functions | |
19 | ||
20 | #include <istream> | |
21 | #include <sstream> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | // libstdc++/70220 | |
25 | void | |
26 | test10() | |
27 | { | |
28 | using namespace std; | |
29 | typedef wstring string_type; | |
30 | typedef wstringbuf stringbuf_type; | |
31 | typedef wistream istream_type; | |
32 | ||
33 | streamsize n; | |
34 | string_type input(L"abcdefg\n"); | |
35 | stringbuf_type sbuf(input); | |
36 | istream_type istr(&sbuf); | |
37 | ||
38 | istr.ignore(0); | |
39 | if (istr.gcount() != 0) | |
40 | VERIFY( false ); | |
41 | ||
42 | istr.ignore(0, L'b'); | |
43 | if (istr.gcount() != 0) | |
44 | VERIFY( false ); | |
45 | ||
46 | istr.ignore(); // Advance to next position. | |
47 | istr.ignore(0, L'b'); | |
48 | if ((n=istr.gcount()) != 0) | |
49 | VERIFY( false ); | |
50 | ||
51 | if (istr.peek() != L'b') | |
52 | VERIFY( false ); | |
53 | } | |
54 | ||
55 | int | |
56 | main() | |
57 | { | |
58 | test10(); | |
59 | return 0; | |
60 | } |