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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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