2 // Exception testing utils for the C++ library testsuite.
4 // Copyright (C) 2007 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 #include <testsuite_hooks.h>
34 #define _TESTSUITE_EH 1
38 // Checks for virtual public derivation in exception classes.
40 // http://www.boost.org/more/error_handling.html
41 struct bad_non_virtual : virtual public std::exception { };
43 template<typename Exception, bool DefaultCons>
44 struct diamond_derivation_base;
46 template<typename Exception>
47 struct diamond_derivation_base<Exception, true>
49 struct diamond_derivation_error: bad_non_virtual, Exception
51 diamond_derivation_error() : bad_non_virtual(), Exception() { }
55 template<typename Exception>
56 struct diamond_derivation_base<Exception, false>
58 struct diamond_derivation_error: bad_non_virtual, Exception
60 diamond_derivation_error()
61 : bad_non_virtual(), Exception("construct diamond") { }
65 template<typename Exception, bool DefaultCons>
66 struct diamond_derivation: diamond_derivation_base<Exception, DefaultCons>
68 typedef diamond_derivation_base<Exception, DefaultCons> base_type;
69 typedef typename base_type::diamond_derivation_error error_type;
73 bool test __attribute__((unused)) = true;
74 try { throw error_type(); }
75 catch (std::exception const& e) { }