1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// -*- C++ -*-
// Exception testing utils for the C++ library testsuite.
//
// Copyright (C) 2007-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
//
#include <exception>
#include <testsuite_hooks.h>
#ifndef _TESTSUITE_API
#define _TESTSUITE_API 1
namespace __gnu_test
{
// Checks for virtual public derivation in exception classes.
// See:
// http://www.boost.org/more/error_handling.html
struct bad_non_virtual : virtual public std::exception { };
template<typename Exception, bool DefaultCons>
struct diamond_derivation_base;
template<typename Exception>
struct diamond_derivation_base<Exception, true>
{
struct diamond_derivation_error
: bad_non_virtual, Exception
{
diamond_derivation_error()
: bad_non_virtual(), Exception() { }
};
};
template<typename Exception>
struct diamond_derivation_base<Exception, false>
{
struct diamond_derivation_error
: bad_non_virtual, Exception
{
diamond_derivation_error()
: bad_non_virtual(), Exception("construct diamond") { }
};
};
template<typename Exception, bool DefaultCons>
struct diamond_derivation
: diamond_derivation_base<Exception, DefaultCons>
{
typedef diamond_derivation_base<Exception, DefaultCons> base_type;
typedef typename base_type::diamond_derivation_error error_type;
// NB: In the libstdc++-v3 testsuite, all the standard exception
// classes (+ a couple of extensions) are checked: since they
// all derive *non* virtually from std::exception, the expected
// behavior is ambiguity.
static void test()
{
bool test __attribute__((unused)) = true;
try
{ throw error_type(); }
catch (std::exception const&)
{ VERIFY( false ); }
catch (...)
{ VERIFY( true ); }
}
};
// Testing type requirements for template arguments.
struct NonDefaultConstructible
{
NonDefaultConstructible(int) { }
NonDefaultConstructible(const NonDefaultConstructible&) { }
#if __cplusplus >= 201103L
// For std::iota.
NonDefaultConstructible&
operator++()
{ return *this; }
#endif
};
// See: 20.1.1 Template argument requirements.
inline bool
operator==(const NonDefaultConstructible&, const NonDefaultConstructible&)
{ return false; }
inline bool
operator<(const NonDefaultConstructible&, const NonDefaultConstructible&)
{ return false; }
// For 23 unordered_* requirements.
struct NonDefaultConstructible_hash
{
std::size_t
operator()(NonDefaultConstructible) const
{ return 1; }
};
// For 26 numeric algorithms requirements, need addable,
// subtractable, multiplicable.
inline NonDefaultConstructible
operator+(const NonDefaultConstructible& lhs,
const NonDefaultConstructible& rhs)
{ return NonDefaultConstructible(1); }
inline NonDefaultConstructible
operator-(const NonDefaultConstructible& lhs,
const NonDefaultConstructible& rhs)
{ return NonDefaultConstructible(1); }
inline NonDefaultConstructible
operator*(const NonDefaultConstructible& lhs,
const NonDefaultConstructible& rhs)
{ return NonDefaultConstructible(1); }
// Like unary_function, but takes no argument. (ie, void).
// Used for generator template parameter.
template<typename _Result>
struct void_function
{
typedef _Result result_type;
result_type
operator()() const
{ return result_type(); }
};
template<>
struct void_function<NonDefaultConstructible>
{
typedef NonDefaultConstructible result_type;
result_type
operator()() const
{ return result_type(2); }
};
// For std::addressof, etc.
struct OverloadedAddressAux { };
struct OverloadedAddress
{
OverloadedAddressAux
operator&() const { return OverloadedAddressAux(); }
};
inline bool
operator<(const OverloadedAddress&, const OverloadedAddress&)
{ return false; }
inline bool
operator==(const OverloadedAddress&, const OverloadedAddress&)
{ return false; }
struct OverloadedAddress_hash
{
std::size_t
operator()(const OverloadedAddress&) const
{ return 1; }
};
#if __cplusplus >= 201103L
struct NonCopyConstructible
{
NonCopyConstructible() : num(-1) { }
NonCopyConstructible(NonCopyConstructible&& other)
: num(other.num)
{ other.num = 0; }
NonCopyConstructible(const NonCopyConstructible&) = delete;
operator int() { return num; }
private:
int num;
};
#endif
}
#endif
|
