| 1 | // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -fms-extensions -Wno-delete-incomplete -Wno-unused-value %s |
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | #define P(e) static_assert(noexcept(e), "expected nothrow") |
| 5 | #define N(e) static_assert(!noexcept(e), "expected throw") |
| 6 | #define B(b, e) static_assert(b == noexcept(e), "expectation failed") |
| 7 | |
| 8 | void simple() { |
| 9 | P(0); |
| 10 | P(0 + 0); |
| 11 | int i; |
| 12 | P(i); |
| 13 | P(sizeof(0)); |
| 14 | P(static_cast<int>(0)); |
| 15 | N(throw 0); |
| 16 | N((throw 0, 0)); |
| 17 | } |
| 18 | |
| 19 | void nospec(); |
| 20 | void allspec() throw(...); |
| 21 | void intspec() throw(int); |
| 22 | void emptyspec() throw(); |
| 23 | void nothrowattr() __attribute__((nothrow)); |
| 24 | void noexcept_true() noexcept; |
| 25 | void noexcept_false() noexcept(false); |
| 26 | |
| 27 | void call() { |
| 28 | N(nospec()); |
| 29 | N(allspec()); |
| 30 | N(intspec()); |
| 31 | P(emptyspec()); |
| 32 | P(nothrowattr()); |
| 33 | P(noexcept_true()); |
| 34 | N(noexcept_false()); |
| 35 | } |
| 36 | |
| 37 | void (*pnospec)(); |
| 38 | void (*pallspec)() throw(...); |
| 39 | void (*pintspec)() throw(int); |
| 40 | void (*pemptyspec)() throw(); |
| 41 | |
| 42 | typedef void (*funcptr)(); |
| 43 | funcptr returnsptr() throw(); |
| 44 | |
| 45 | void callptr() { |
| 46 | N(pnospec()); |
| 47 | N((*pnospec)()); |
| 48 | N(pallspec()); |
| 49 | N((*pallspec)()); |
| 50 | N(pintspec()); |
| 51 | N((*pintspec)()); |
| 52 | P(pemptyspec()); |
| 53 | P((*pemptyspec)()); |
| 54 | N(returnsptr()()); |
| 55 | } |
| 56 | |
| 57 | struct S1 { |
| 58 | void nospec(); |
| 59 | void allspec() throw(...); |
| 60 | void intspec() throw(int); |
| 61 | void emptyspec() throw(); |
| 62 | }; |
| 63 | |
| 64 | void callmem() { |
| 65 | S1 s; |
| 66 | N(s.nospec()); |
| 67 | N(s.allspec()); |
| 68 | N(s.intspec()); |
| 69 | P(s.emptyspec()); |
| 70 | } |
| 71 | |
| 72 | void (S1::*mpnospec)(); |
| 73 | void (S1::*mpallspec)() throw(...); |
| 74 | void (S1::*mpintspec)() throw(int); |
| 75 | void (S1::*mpemptyspec)() throw(); |
| 76 | |
| 77 | void callmemptr() { |
| 78 | S1 s; |
| 79 | N((s.*mpnospec)()); |
| 80 | N((s.*mpallspec)()); |
| 81 | N((s.*mpintspec)()); |
| 82 | P((s.*mpemptyspec)()); |
| 83 | } |
| 84 | |
| 85 | struct S2 { |
| 86 | S2(); |
| 87 | S2(int, int) throw(); |
| 88 | void operator +(); |
| 89 | void operator -() throw(); |
| 90 | void operator +(int); |
| 91 | void operator -(int) throw(); |
| 92 | operator int(); |
| 93 | operator float() throw(); |
| 94 | }; |
| 95 | |
| 96 | void *operator new(__typeof__(sizeof(int)) sz, int) throw(); |
| 97 | |
| 98 | struct IncompleteStruct; |
| 99 | |
| 100 | struct Bad1 { |
| 101 | ~Bad1() throw(int); |
| 102 | }; |
| 103 | struct Bad2 { |
| 104 | void operator delete(void*) throw(int); |
| 105 | }; |
| 106 | |
| 107 | typedef int X; |
| 108 | |
| 109 | void implicits() { |
| 110 | N(new int); |
| 111 | P(new (0) int); |
| 112 | P(delete (int*)0); |
| 113 | P(delete (IncompleteStruct*)0); |
| 114 | N(delete (Bad1*)0); |
| 115 | N(delete (Bad2*)0); |
| 116 | N(S2()); |
| 117 | P(S2(0, 0)); |
| 118 | S2 s; |
| 119 | N(+s); |
| 120 | P(-s); |
| 121 | N(s + 0); |
| 122 | P(s - 0); |
| 123 | N(static_cast<int>(s)); |
| 124 | P(static_cast<float>(s)); |
| 125 | N(Bad1()); |
| 126 | P(X().~X()); |
| 127 | } |
| 128 | |
| 129 | struct V { |
| 130 | virtual ~V() throw(); |
| 131 | }; |
| 132 | struct D : V {}; |
| 133 | |
| 134 | void dyncast() { |
| 135 | V *pv = 0; |
| 136 | D *pd = 0; |
| 137 | P(dynamic_cast<V&>(*pd)); |
| 138 | P(dynamic_cast<V*>(pd)); |
| 139 | N(dynamic_cast<D&>(*pv)); |
| 140 | P(dynamic_cast<D*>(pv)); |
| 141 | } |
| 142 | |
| 143 | namespace std { |
| 144 | struct type_info {}; |
| 145 | } |
| 146 | |
| 147 | void idtype() { |
| 148 | P(typeid(V)); |
| 149 | P(typeid((V*)0)); |
| 150 | P(typeid(*(S1*)0)); |
| 151 | N(typeid(*(V*)0)); |
| 152 | } |
| 153 | |
| 154 | void uneval() { |
| 155 | P(sizeof(typeid(*(V*)0))); |
| 156 | P(typeid(typeid(*(V*)0))); |
| 157 | } |
| 158 | |
| 159 | struct G1 {}; |
| 160 | struct G2 { int i; }; |
| 161 | struct G3 { S2 s; }; |
| 162 | |
| 163 | void gencon() { |
| 164 | P(G1()); |
| 165 | P(G2()); |
| 166 | N(G3()); |
| 167 | } |
| 168 | |
| 169 | template <class T> void f(T&&) noexcept; |
| 170 | template <typename T, bool b> |
| 171 | void late() { |
| 172 | B(b, typeid(*(T*)0)); |
| 173 | B(b, T(1)); |
| 174 | B(b, static_cast<T>(S2(0, 0))); |
| 175 | B(b, S1() + T()); |
| 176 | P(f(T())); |
| 177 | P(new (0) T); |
| 178 | P(delete (T*)0); |
| 179 | } |
| 180 | struct S3 { |
| 181 | virtual ~S3() throw(); |
| 182 | S3() throw(); |
| 183 | explicit S3(int); |
| 184 | S3(const S2&); |
| 185 | }; |
| 186 | template <class T> T&& f2() noexcept; |
| 187 | template <typename T> |
| 188 | void late2() { |
| 189 | P(dynamic_cast<S3&>(f2<T&>())); |
| 190 | } |
| 191 | void operator +(const S1&, float) throw(); |
| 192 | void operator +(const S1&, const S3&); |
| 193 | void tlate() { |
| 194 | late<float, true>(); |
| 195 | late<S3, false>(); |
| 196 | late2<S3>(); |
| 197 | } |
| 198 | |