1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // UNSUPPORTED: no-exceptions |
10 | |
11 | // 1b00fc5d8133 made it in the dylib in macOS 10.11 |
12 | // XFAIL: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10}} |
13 | |
14 | #include <cassert> |
15 | |
16 | struct A |
17 | { |
18 | A() : i(0), j(0) {} // explicitly initialize 'i' to prevent warnings |
19 | const int i; |
20 | int j; |
21 | }; |
22 | |
23 | typedef const int A::*md1; |
24 | typedef int A::*md2; |
25 | |
26 | struct B : public A |
27 | { |
28 | B() : k(0), l(0) {} // explicitly initialize 'k' to prevent warnings. |
29 | const int k; |
30 | int l; |
31 | }; |
32 | |
33 | typedef const int B::*der1; |
34 | typedef int B::*der2; |
35 | |
36 | void test1() |
37 | { |
38 | try |
39 | { |
40 | throw &A::i; |
41 | assert(false); |
42 | } |
43 | catch (md2) |
44 | { |
45 | assert(false); |
46 | } |
47 | catch (md1) |
48 | { |
49 | } |
50 | } |
51 | |
52 | // Check that cv qualified conversions are allowed. |
53 | void test2() |
54 | { |
55 | try |
56 | { |
57 | throw &A::j; |
58 | } |
59 | catch (md2) |
60 | { |
61 | } |
62 | catch (...) |
63 | { |
64 | assert(false); |
65 | } |
66 | |
67 | try |
68 | { |
69 | throw &A::j; |
70 | assert(false); |
71 | } |
72 | catch (md1) |
73 | { |
74 | } |
75 | catch (...) |
76 | { |
77 | assert(false); |
78 | } |
79 | } |
80 | |
81 | // Check that Base -> Derived conversions are NOT allowed. |
82 | void test3() |
83 | { |
84 | try |
85 | { |
86 | throw &A::i; |
87 | assert(false); |
88 | } |
89 | catch (md2) |
90 | { |
91 | assert(false); |
92 | } |
93 | catch (der2) |
94 | { |
95 | assert(false); |
96 | } |
97 | catch (der1) |
98 | { |
99 | assert(false); |
100 | } |
101 | catch (md1) |
102 | { |
103 | } |
104 | } |
105 | |
106 | // Check that Base -> Derived conversions NOT are allowed with different cv |
107 | // qualifiers. |
108 | void test4() |
109 | { |
110 | try |
111 | { |
112 | throw &A::j; |
113 | assert(false); |
114 | } |
115 | catch (der2) |
116 | { |
117 | assert(false); |
118 | } |
119 | catch (der1) |
120 | { |
121 | assert(false); |
122 | } |
123 | catch (md2) |
124 | { |
125 | } |
126 | catch (...) |
127 | { |
128 | assert(false); |
129 | } |
130 | } |
131 | |
132 | // Check that no Derived -> Base conversions are allowed. |
133 | void test5() |
134 | { |
135 | try |
136 | { |
137 | throw &B::k; |
138 | assert(false); |
139 | } |
140 | catch (md1) |
141 | { |
142 | assert(false); |
143 | } |
144 | catch (md2) |
145 | { |
146 | assert(false); |
147 | } |
148 | catch (der1) |
149 | { |
150 | } |
151 | |
152 | try |
153 | { |
154 | throw &B::l; |
155 | assert(false); |
156 | } |
157 | catch (md1) |
158 | { |
159 | assert(false); |
160 | } |
161 | catch (md2) |
162 | { |
163 | assert(false); |
164 | } |
165 | catch (der2) |
166 | { |
167 | } |
168 | } |
169 | |
170 | int main(int, char**) |
171 | { |
172 | test1(); |
173 | test2(); |
174 | test3(); |
175 | test4(); |
176 | test5(); |
177 | |
178 | return 0; |
179 | } |
180 | |