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| 1 // 2004-01-25 jlquinn@gcc.gnu.org | |
| 2 | |
| 3 // Copyright (C) 2004, 2005, 2009 Free Software Foundation | |
| 4 // | |
| 5 // This file is part of the GNU ISO C++ Library. This library is free | |
| 6 // software; you can redistribute it and/or modify it under the | |
| 7 // terms of the GNU General Public License as published by the | |
| 8 // Free Software Foundation; either version 3, or (at your option) | |
| 9 // any later version. | |
| 10 | |
| 11 // This library is distributed in the hope that it will be useful, | |
| 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 // GNU General Public License for more details. | |
| 15 | |
| 16 // You should have received a copy of the GNU General Public License along | |
| 17 // with this library; see the file COPYING3. If not see | |
| 18 // <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 // 27.4.2.5 ios_base storage functions | |
| 21 | |
| 22 #include <cstdlib> | |
| 23 #include <new> | |
| 24 #include <iostream> | |
| 25 #include <testsuite_hooks.h> | |
| 26 | |
| 27 int new_fails; | |
| 28 | |
| 29 void* operator new(std::size_t n) throw (std::bad_alloc) | |
| 30 { | |
| 31 if (new_fails) | |
| 32 throw std::bad_alloc(); | |
| 33 return malloc(n); | |
| 34 } | |
| 35 void* operator new[] (std::size_t n) throw (std::bad_alloc) | |
| 36 { return operator new(n); } | |
| 37 | |
| 38 void operator delete (void *p) throw() { free(p); } | |
| 39 void operator delete[] (void *p) throw() { operator delete(p); } | |
| 40 | |
| 41 int main () | |
| 42 { | |
| 43 bool test __attribute__((unused)) = true; | |
| 44 const int i = std::ios::xalloc(); | |
| 45 VERIFY( i >= 0 ); | |
| 46 | |
| 47 new_fails = 1; | |
| 48 | |
| 49 // Successive accesses to failure storage clears to zero. | |
| 50 std::cout.iword(100) = 69; | |
| 51 VERIFY( std::cout.iword(100) == 0 ); | |
| 52 | |
| 53 // Access to pword failure storage shouldn't clear iword pword storage. | |
| 54 long& lr = std::cout.iword(100); | |
| 55 lr = 69; | |
| 56 | |
| 57 void* pv = std::cout.pword(100); | |
| 58 VERIFY( pv == 0 ); | |
| 59 VERIFY( lr == 69 ); | |
| 60 | |
| 61 return 0; | |
| 62 } | |
| 63 | |
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