1 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -fms-extensions %s 2 3 #define P(e) static_assert(noexcept(e), "expected nothrow") 4 #define N(e) static_assert(!noexcept(e), "expected throw") 5 #define B(b, e) static_assert(b == noexcept(e), "expectation failed") 6 7 void simple() { 8 P(0); 9 P(0 + 0); 10 int i; 11 P(i); 12 P(sizeof(0)); 13 P(static_cast<int>(0)); 14 N(throw 0); 15 N((throw 0, 0)); 16 } 17 18 void nospec(); 19 void allspec() throw(...); 20 void intspec() throw(int); 21 void emptyspec() throw(); 22 void nothrowattr() __attribute__((nothrow)); 23 void noexcept_true() noexcept; 24 void noexcept_false() noexcept(false); 25 26 void call() { 27 N(nospec()); 28 N(allspec()); 29 N(intspec()); 30 P(emptyspec()); 31 P(nothrowattr()); 32 P(noexcept_true()); 33 N(noexcept_false()); 34 } 35 36 void (*pnospec)(); 37 void (*pallspec)() throw(...); 38 void (*pintspec)() throw(int); 39 void (*pemptyspec)() throw(); 40 41 void callptr() { 42 N(pnospec()); 43 N((*pnospec)()); 44 N(pallspec()); 45 N((*pallspec)()); 46 N(pintspec()); 47 N((*pintspec)()); 48 P(pemptyspec()); 49 P((*pemptyspec)()); 50 } 51 52 struct S1 { 53 void nospec(); 54 void allspec() throw(...); 55 void intspec() throw(int); 56 void emptyspec() throw(); 57 }; 58 59 void callmem() { 60 S1 s; 61 N(s.nospec()); 62 N(s.allspec()); 63 N(s.intspec()); 64 P(s.emptyspec()); 65 } 66 67 void (S1::*mpnospec)(); 68 void (S1::*mpallspec)() throw(...); 69 void (S1::*mpintspec)() throw(int); 70 void (S1::*mpemptyspec)() throw(); 71 72 void callmemptr() { 73 S1 s; 74 N((s.*mpnospec)()); 75 N((s.*mpallspec)()); 76 N((s.*mpintspec)()); 77 P((s.*mpemptyspec)()); 78 } 79 80 struct S2 { 81 S2(); 82 S2(int, int) throw(); 83 void operator +(); 84 void operator -() throw(); 85 void operator +(int); 86 void operator -(int) throw(); 87 operator int(); 88 operator float() throw(); 89 }; 90 91 void *operator new(__typeof__(sizeof(int)) sz, int) throw(); 92 93 struct Bad1 { 94 ~Bad1() throw(int); 95 }; 96 struct Bad2 { 97 void operator delete(void*) throw(int); 98 }; 99 100 typedef int X; 101 102 void implicits() { 103 N(new int); 104 P(new (0) int); 105 P(delete (int*)0); 106 N(delete (Bad1*)0); 107 N(delete (Bad2*)0); 108 N(S2()); 109 P(S2(0, 0)); 110 S2 s; 111 N(+s); 112 P(-s); 113 N(s + 0); 114 P(s - 0); 115 N(static_cast<int>(s)); 116 P(static_cast<float>(s)); 117 N(Bad1()); 118 P(X().~X()); 119 } 120 121 struct V { 122 virtual ~V() throw(); 123 }; 124 struct D : V {}; 125 126 void dyncast() { 127 V *pv = 0; 128 D *pd = 0; 129 P(dynamic_cast<V&>(*pd)); 130 P(dynamic_cast<V*>(pd)); 131 N(dynamic_cast<D&>(*pv)); 132 P(dynamic_cast<D*>(pv)); 133 } 134 135 namespace std { 136 struct type_info {}; 137 } 138 139 void idtype() { 140 P(typeid(V)); 141 P(typeid((V*)0)); 142 P(typeid(*(S1*)0)); 143 N(typeid(*(V*)0)); 144 } 145 146 void uneval() { 147 P(sizeof(typeid(*(V*)0))); 148 P(typeid(typeid(*(V*)0))); 149 } 150 151 struct G1 {}; 152 struct G2 { int i; }; 153 struct G3 { S2 s; }; 154 155 void gencon() { 156 P(G1()); 157 P(G2()); 158 N(G3()); 159 } 160 161 template <class T> void f(T&&) noexcept; 162 template <typename T, bool b> 163 void late() { 164 B(b, typeid(*(T*)0)); 165 B(b, T(1)); 166 B(b, static_cast<T>(S2(0, 0))); 167 B(b, S1() + T()); 168 P(f(T())); 169 P(new (0) T); 170 P(delete (T*)0); 171 } 172 struct S3 { 173 virtual ~S3() throw(); 174 S3() throw(); 175 explicit S3(int); 176 S3(const S2&); 177 }; 178 template <class T> T&& f2() noexcept; 179 template <typename T> 180 void late2() { 181 P(dynamic_cast<S3&>(f2<T&>())); 182 } 183 void operator +(const S1&, float) throw(); 184 void operator +(const S1&, const S3&); 185 void tlate() { 186 late<float, true>(); 187 late<S3, false>(); 188 late2<S3>(); 189 } 190
