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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
//===---------------------- catch_class_04.cpp ----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/*
This test checks that adjustedPtr is correct as there exist offsets in this
object for the various subobjects, all of which have a unique id_ to
check against. It also checks that virtual bases work properly
*/
// UNSUPPORTED: libcxxabi-no-exceptions
#include <exception>
#include <stdlib.h>
#include <assert.h>
// Clang emits warnings about exceptions of type 'Child' being caught by
// an earlier handler of type 'Base'. Congrats clang, you've just
// diagnosed the behavior under test.
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wexceptions"
#endif
struct B
{
static int count;
int id_;
explicit B(int id) : id_(id) {count++;}
B(const B& a) : id_(a.id_) {count++;}
~B() {count--;}
};
int B::count = 0;
struct C1
: virtual B
{
static int count;
int id_;
explicit C1(int id) : B(id-2), id_(id) {count++;}
C1(const C1& a) : B(a.id_-2), id_(a.id_) {count++;}
~C1() {count--;}
};
int C1::count = 0;
struct C2
: virtual private B
{
static int count;
int id_;
explicit C2(int id) : B(id-2), id_(id) {count++;}
C2(const C2& a) : B(a.id_-2), id_(a.id_) {count++;}
~C2() {count--;}
};
int C2::count = 0;
struct A
: C1, C2
{
static int count;
int id_;
explicit A(int id) : B(id+3), C1(id-1), C2(id-2), id_(id) {count++;}
A(const A& a) : B(a.id_+3), C1(a.id_-1), C2(a.id_-2), id_(a.id_) {count++;}
~A() {count--;}
};
int A::count = 0;
void f1()
{
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
A a(5);
assert(A::count == 1);
assert(C1::count == 1);
assert(C2::count == 1);
assert(B::count == 1);
assert(a.id_ == 5);
assert(static_cast<C1&>(a).id_ == 4);
assert(static_cast<C2&>(a).id_ == 3);
assert(static_cast<B&>(a).id_ == 8);
throw a;
assert(false);
}
void f2()
{
try
{
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
f1();
assert(false);
}
catch (const A& a) // can catch A
{
assert(a.id_ == 5);
assert(static_cast<const C1&>(a).id_ == 4);
assert(static_cast<const C2&>(a).id_ == 3);
assert(static_cast<const B&>(a).id_ == 8);
throw;
}
catch (const C1&)
{
assert(false);
}
catch (const C2&)
{
assert(false);
}
catch (const B&)
{
assert(false);
}
}
void f3()
{
try
{
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
f2();
assert(false);
}
catch (const B& a) // can catch B
{
assert(static_cast<const B&>(a).id_ == 8);
throw;
}
catch (const C1& c1)
{
assert(false);
}
catch (const C2&)
{
assert(false);
}
}
void f4()
{
try
{
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
f3();
assert(false);
}
catch (const C2& c2) // can catch C2
{
assert(c2.id_ == 3);
throw;
}
catch (const B& a) // can not catch B (ambiguous base)
{
assert(false);
}
catch (const C1&)
{
assert(false);
}
}
void f5()
{
try
{
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
f4();
assert(false);
}
catch (const C1& c1) // can catch C1
{
assert(c1.id_ == 4);
assert(static_cast<const B&>(c1).id_ == 8);
throw;
}
catch (const B& a)
{
assert(false);
}
catch (const C2&)
{
assert(false);
}
}
int main()
{
try
{
f5();
assert(false);
}
catch (...)
{
}
assert(A::count == 0);
assert(C1::count == 0);
assert(C2::count == 0);
assert(B::count == 0);
}
|
