projects / thirdparty / gcc.git / blame
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1 | // Copyright (C) 2004 Free Software Foundation |
| 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 2, 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 COPYING. If not, write to the Free | |
| 83f51799 | 16 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 8f7e12f0 PC |
17 | // USA. |
| 18 | ||
| 19 | // 27.6.1.3 unformatted input functions | |
| 20 | ||
| 21 | #include <istream> | |
| 22 | #include <sstream> | |
| 23 | #include <testsuite_hooks.h> | |
| 24 | ||
| 25 | void | |
| 26 | test01() | |
| 27 | { | |
| 28 | bool test __attribute__((unused)) = true; | |
| 29 | const std::wstring str_01; | |
| 30 | const std::wstring str_02(L"soul eyes: john coltrane quartet"); | |
| 31 | std::wstring strtmp; | |
| 32 | ||
| 33 | std::wstringbuf isbuf_03(str_02, std::ios_base::in); | |
| 34 | std::wstringbuf isbuf_04(str_02, std::ios_base::in); | |
| 35 | std::wstringbuf isbuf_05(str_02, std::ios_base::in); | |
| 36 | ||
| 37 | std::wistream is_00(&isbuf_05); | |
| 38 | std::wistream is_03(&isbuf_03); | |
| 39 | std::wistream is_04(&isbuf_04); | |
| 40 | std::ios_base::iostate state1, state2; | |
| 41 | ||
| 42 | // istream& putback(char_type c) | |
| 43 | is_04.ignore(30); | |
| 44 | is_04.clear(); | |
| 45 | state1 = is_04.rdstate(); | |
| 46 | is_04.putback(L't'); | |
| 47 | VERIFY( is_04.gcount() == 0 ); // DR 60 | |
| 48 | state2 = is_04.rdstate(); | |
| 49 | VERIFY( state1 == state2 ); | |
| 50 | VERIFY( is_04.peek() == L't' ); | |
| 51 | ||
| 52 | // istream& unget() | |
| 53 | is_04.clear(); | |
| 54 | state1 = is_04.rdstate(); | |
| 55 | is_04.unget(); | |
| 56 | VERIFY( is_04.gcount() == 0 ); // DR 60 | |
| 57 | state2 = is_04.rdstate(); | |
| 58 | VERIFY( state1 == state2 ); | |
| 59 | VERIFY( is_04.peek() == L'r' ); | |
| 60 | ||
| 61 | // int sync() | |
| 62 | is_00.ignore(10); | |
| 63 | int count1 = is_00.gcount(); | |
| 64 | is_00.sync(); | |
| 65 | int count2 = is_00.gcount(); | |
| 66 | VERIFY (count1 == count2 ); // DR 60 | |
| 67 | } | |
| 68 | ||
| 69 | int | |
| 70 | main() | |
| 71 | { | |
| 72 | test01(); | |
| 73 | return 0; | |
| 74 | } |