projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9254fc | 1 | // Copyright (C) 2018-2020 Free Software Foundation, Inc. |
| 85d0fad4 JW |
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 | // { dg-do run { target c++11 } } | |
| 19 | ||
| 20 | #include <ios> | |
| 21 | #include <climits> | |
| 22 | #include <testsuite_hooks.h> | |
| 23 | ||
| 24 | // PR libstdc++/68197 | |
| 25 | ||
| 26 | struct sbuf : std::streambuf { } sb; | |
| 27 | ||
| 28 | void | |
| 29 | test01() | |
| 30 | { | |
| 31 | std::ios ios(&sb); | |
| 32 | long& i1 = ios.iword(-1); | |
| 33 | VERIFY( i1 == 0 ); | |
| 34 | VERIFY( ios.bad() ); | |
| 35 | ios.clear(); | |
| 36 | i1 = 1; | |
| 37 | VERIFY( ios.iword(-1) == 0 ); | |
| 38 | VERIFY( ios.bad() ); | |
| 39 | ios.clear(); | |
| 40 | long& i2 = ios.iword(INT_MIN); | |
| 41 | VERIFY( i2 == 0 ); | |
| 42 | VERIFY( ios.bad() ); | |
| 43 | ios.clear(); | |
| 44 | i2 = 2; | |
| 45 | VERIFY( ios.iword(INT_MIN) == 0 ); | |
| 46 | VERIFY( ios.bad() ); | |
| 47 | ios.clear(); | |
| 48 | ||
| 49 | bool caught = false; | |
| 50 | ios.exceptions(std::ios::badbit); | |
| 51 | try { | |
| 52 | ios.iword(-1); | |
| 53 | } catch (const std::exception&) { | |
| 54 | caught = true; | |
| 55 | } | |
| 56 | VERIFY( caught ); | |
| 57 | } | |
| 58 | ||
| 59 | void | |
| 60 | test02() | |
| 61 | { | |
| 62 | std::ios ios(&sb); | |
| 63 | void*& p1 = ios.pword(-1); | |
| 64 | VERIFY( p1 == nullptr ); | |
| 65 | VERIFY( ios.bad() ); | |
| 66 | ios.clear(); | |
| 67 | p1 = &p1; | |
| 68 | VERIFY( ios.pword(-1) == nullptr ); | |
| 69 | VERIFY( ios.bad() ); | |
| 70 | ios.clear(); | |
| 71 | void*& p2 = ios.pword(INT_MIN); | |
| 72 | VERIFY( p2 == nullptr ); | |
| 73 | VERIFY( ios.bad() ); | |
| 74 | ios.clear(); | |
| 75 | p2 = &p2; | |
| 76 | VERIFY( ios.pword(INT_MIN) == nullptr ); | |
| 77 | VERIFY( ios.bad() ); | |
| 78 | ios.clear(); | |
| 79 | ||
| 80 | bool caught = false; | |
| 81 | ios.exceptions(std::ios::badbit); | |
| 82 | try { | |
| 83 | ios.pword(-1); | |
| 84 | } catch (const std::exception&) { | |
| 85 | caught = true; | |
| 86 | } | |
| 87 | VERIFY( caught ); | |
| 88 | } | |
| 89 | ||
| 90 | int | |
| 91 | main() | |
| 92 | { | |
| 93 | test01(); | |
| 94 | test02(); | |
| 95 | } |