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 | #include <cassert> |
12 | |
13 | // Clang emits warnings about exceptions of type 'Child' being caught by |
14 | // an earlier handler of type 'Base'. Congrats clang, you've just |
15 | // diagnosed the behavior under test. |
16 | #if defined(__clang__) |
17 | #pragma clang diagnostic ignored "-Wexceptions" |
18 | #endif |
19 | |
20 | #if __has_feature(cxx_nullptr) |
21 | |
22 | struct A {}; |
23 | |
24 | void test1() |
25 | { |
26 | try |
27 | { |
28 | throw nullptr; |
29 | assert(false); |
30 | } |
31 | catch (A* p) |
32 | { |
33 | assert(!p); |
34 | } |
35 | catch (const A*) |
36 | { |
37 | assert(false); |
38 | } |
39 | } |
40 | |
41 | |
42 | void test2() |
43 | { |
44 | try |
45 | { |
46 | throw nullptr; |
47 | assert(false); |
48 | } |
49 | catch (const A* p) |
50 | { |
51 | assert(!p); |
52 | } |
53 | catch (A*) |
54 | { |
55 | assert(false); |
56 | } |
57 | } |
58 | |
59 | void test3() |
60 | { |
61 | try |
62 | { |
63 | throw nullptr; |
64 | assert(false); |
65 | } |
66 | catch (const A* const p) |
67 | { |
68 | assert(!p); |
69 | } |
70 | catch (A*) |
71 | { |
72 | assert(false); |
73 | } |
74 | } |
75 | |
76 | void test4() |
77 | { |
78 | try |
79 | { |
80 | throw nullptr; |
81 | assert(false); |
82 | } |
83 | catch (A* p) |
84 | { |
85 | assert(!p); |
86 | } |
87 | catch (const A* const) |
88 | { |
89 | assert(false); |
90 | } |
91 | } |
92 | |
93 | void test5() |
94 | { |
95 | try |
96 | { |
97 | throw nullptr; |
98 | assert(false); |
99 | } |
100 | catch (A const* p) |
101 | { |
102 | assert(!p); |
103 | } |
104 | catch (A*) |
105 | { |
106 | assert(false); |
107 | } |
108 | } |
109 | |
110 | void test6() |
111 | { |
112 | try |
113 | { |
114 | throw nullptr; |
115 | assert(false); |
116 | } |
117 | catch (A* p) |
118 | { |
119 | assert(!p); |
120 | } |
121 | catch (A const*) |
122 | { |
123 | assert(false); |
124 | } |
125 | } |
126 | |
127 | |
128 | #else |
129 | |
130 | void test1() {} |
131 | void test2() {} |
132 | void test3() {} |
133 | void test4() {} |
134 | void test5() {} |
135 | void test6() {} |
136 | |
137 | #endif |
138 | |
139 | int main(int, char**) { |
140 | test1(); |
141 | test2(); |
142 | test3(); |
143 | test4(); |
144 | test5(); |
145 | test6(); |
146 | |
147 | return 0; |
148 | } |
149 | |