| 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 | // Compilers emit warnings about exceptions of type 'Child' being caught by |
| 12 | // an earlier handler of type 'Base'. Congrats, you've just diagnosed the |
| 13 | // behavior under test. |
| 14 | // ADDITIONAL_COMPILE_FLAGS: -Wno-exceptions |
| 15 | |
| 16 | #include <cassert> |
| 17 | #include <stdint.h> |
| 18 | |
| 19 | #if __cplusplus < 201103L |
| 20 | #define DISABLE_NULLPTR_TESTS |
| 21 | #endif |
| 22 | |
| 23 | struct A {}; |
| 24 | A a; |
| 25 | const A ca = A(); |
| 26 | |
| 27 | void test1 () |
| 28 | { |
| 29 | try |
| 30 | { |
| 31 | throw &a; |
| 32 | assert(false); |
| 33 | } |
| 34 | catch ( const A* ) |
| 35 | { |
| 36 | } |
| 37 | catch ( A *) |
| 38 | { |
| 39 | assert (false); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | void test2 () |
| 44 | { |
| 45 | try |
| 46 | { |
| 47 | throw &a; |
| 48 | assert(false); |
| 49 | } |
| 50 | catch ( A* ) |
| 51 | { |
| 52 | } |
| 53 | catch ( const A *) |
| 54 | { |
| 55 | assert (false); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | void test3 () |
| 60 | { |
| 61 | try |
| 62 | { |
| 63 | throw &ca; |
| 64 | assert(false); |
| 65 | } |
| 66 | catch ( const A* ) |
| 67 | { |
| 68 | } |
| 69 | catch ( A *) |
| 70 | { |
| 71 | assert (false); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | void test4 () |
| 76 | { |
| 77 | try |
| 78 | { |
| 79 | throw &ca; |
| 80 | assert(false); |
| 81 | } |
| 82 | catch ( A *) |
| 83 | { |
| 84 | assert (false); |
| 85 | } |
| 86 | catch ( const A* ) |
| 87 | { |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | struct base1 {int x;}; |
| 92 | struct base2 {int x;}; |
| 93 | struct derived : base1, base2 {}; |
| 94 | |
| 95 | void test5 () |
| 96 | { |
| 97 | try |
| 98 | { |
| 99 | throw (derived*)0; |
| 100 | assert(false); |
| 101 | } |
| 102 | catch (base2 *p) { |
| 103 | assert (p == 0); |
| 104 | } |
| 105 | catch (...) |
| 106 | { |
| 107 | assert (false); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | void test6 () |
| 112 | { |
| 113 | #if !defined(DISABLE_NULLPTR_TESTS) |
| 114 | try |
| 115 | { |
| 116 | throw nullptr; |
| 117 | assert(false); |
| 118 | } |
| 119 | catch (base2 *p) { |
| 120 | assert (p == nullptr); |
| 121 | } |
| 122 | catch (...) |
| 123 | { |
| 124 | assert (false); |
| 125 | } |
| 126 | #endif |
| 127 | } |
| 128 | |
| 129 | void test7 () |
| 130 | { |
| 131 | try |
| 132 | { |
| 133 | throw (derived*)12; |
| 134 | assert(false); |
| 135 | } |
| 136 | catch (base2 *p) { |
| 137 | assert ((uintptr_t)p == 12+sizeof(base1)); |
| 138 | } |
| 139 | catch (...) |
| 140 | { |
| 141 | assert (false); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | |
| 146 | struct vBase {}; |
| 147 | struct vDerived : virtual public vBase {}; |
| 148 | |
| 149 | void test8 () |
| 150 | { |
| 151 | vDerived derived; |
| 152 | try |
| 153 | { |
| 154 | throw &derived; |
| 155 | assert(false); |
| 156 | } |
| 157 | catch (vBase *p) { |
| 158 | assert(p != 0); |
| 159 | } |
| 160 | catch (...) |
| 161 | { |
| 162 | assert (false); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | void test9 () |
| 167 | { |
| 168 | #if !defined(DISABLE_NULLPTR_TESTS) |
| 169 | try |
| 170 | { |
| 171 | throw nullptr; |
| 172 | assert(false); |
| 173 | } |
| 174 | catch (vBase *p) { |
| 175 | assert(p == 0); |
| 176 | } |
| 177 | catch (...) |
| 178 | { |
| 179 | assert (false); |
| 180 | } |
| 181 | #endif |
| 182 | } |
| 183 | |
| 184 | void test10 () |
| 185 | { |
| 186 | try |
| 187 | { |
| 188 | throw (vDerived*)0; |
| 189 | assert(false); |
| 190 | } |
| 191 | catch (vBase *p) { |
| 192 | assert(p == 0); |
| 193 | } |
| 194 | catch (...) |
| 195 | { |
| 196 | assert (false); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | int main(int, char**) |
| 201 | { |
| 202 | test1(); |
| 203 | test2(); |
| 204 | test3(); |
| 205 | test4(); |
| 206 | test5(); |
| 207 | test6(); |
| 208 | test7(); |
| 209 | test8(); |
| 210 | test9(); |
| 211 | test10(); |
| 212 | |
| 213 | return 0; |
| 214 | } |
| 215 |