1// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -fms-extensions %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 8void 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 19void nospec(); 20void allspec() throw(...); 21void intspec() throw(int); 22void emptyspec() throw(); 23void nothrowattr() __attribute__((nothrow)); 24void noexcept_true() noexcept; 25void noexcept_false() noexcept(false); 26 27void 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 37void (*pnospec)(); 38void (*pallspec)() throw(...); 39void (*pintspec)() throw(int); 40void (*pemptyspec)() throw(); 41 42void callptr() { 43 N(pnospec()); 44 N((*pnospec)()); 45 N(pallspec()); 46 N((*pallspec)()); 47 N(pintspec()); 48 N((*pintspec)()); 49 P(pemptyspec()); 50 P((*pemptyspec)()); 51} 52 53struct S1 { 54 void nospec(); 55 void allspec() throw(...); 56 void intspec() throw(int); 57 void emptyspec() throw(); 58}; 59 60void callmem() { 61 S1 s; 62 N(s.nospec()); 63 N(s.allspec()); 64 N(s.intspec()); 65 P(s.emptyspec()); 66} 67 68void (S1::*mpnospec)(); 69void (S1::*mpallspec)() throw(...); 70void (S1::*mpintspec)() throw(int); 71void (S1::*mpemptyspec)() throw(); 72 73void callmemptr() { 74 S1 s; 75 N((s.*mpnospec)()); 76 N((s.*mpallspec)()); 77 N((s.*mpintspec)()); 78 P((s.*mpemptyspec)()); 79} 80 81struct S2 { 82 S2(); 83 S2(int, int) throw(); 84 void operator +(); 85 void operator -() throw(); 86 void operator +(int); 87 void operator -(int) throw(); 88 operator int(); 89 operator float() throw(); 90}; 91 92void *operator new(__typeof__(sizeof(int)) sz, int) throw(); 93 94struct Bad1 { 95 ~Bad1() throw(int); 96}; 97struct Bad2 { 98 void operator delete(void*) throw(int); 99}; 100 101typedef int X; 102 103void implicits() { 104 N(new int); 105 P(new (0) int); 106 P(delete (int*)0); 107 N(delete (Bad1*)0); 108 N(delete (Bad2*)0); 109 N(S2()); 110 P(S2(0, 0)); 111 S2 s; 112 N(+s); 113 P(-s); 114 N(s + 0); 115 P(s - 0); 116 N(static_cast<int>(s)); 117 P(static_cast<float>(s)); 118 N(Bad1()); 119 P(X().~X()); 120} 121 122struct V { 123 virtual ~V() throw(); 124}; 125struct D : V {}; 126 127void dyncast() { 128 V *pv = 0; 129 D *pd = 0; 130 P(dynamic_cast<V&>(*pd)); 131 P(dynamic_cast<V*>(pd)); 132 N(dynamic_cast<D&>(*pv)); 133 P(dynamic_cast<D*>(pv)); 134} 135 136namespace std { 137 struct type_info {}; 138} 139 140void idtype() { 141 P(typeid(V)); 142 P(typeid((V*)0)); 143 P(typeid(*(S1*)0)); 144 N(typeid(*(V*)0)); 145} 146 147void uneval() { 148 P(sizeof(typeid(*(V*)0))); 149 P(typeid(typeid(*(V*)0))); 150} 151 152struct G1 {}; 153struct G2 { int i; }; 154struct G3 { S2 s; }; 155 156void gencon() { 157 P(G1()); 158 P(G2()); 159 N(G3()); 160} 161 162template <class T> void f(T&&) noexcept; 163template <typename T, bool b> 164void late() { 165 B(b, typeid(*(T*)0)); 166 B(b, T(1)); 167 B(b, static_cast<T>(S2(0, 0))); 168 B(b, S1() + T()); 169 P(f(T())); 170 P(new (0) T); 171 P(delete (T*)0); 172} 173struct S3 { 174 virtual ~S3() throw(); 175 S3() throw(); 176 explicit S3(int); 177 S3(const S2&); 178}; 179template <class T> T&& f2() noexcept; 180template <typename T> 181void late2() { 182 P(dynamic_cast<S3&>(f2<T&>())); 183} 184void operator +(const S1&, float) throw(); 185void operator +(const S1&, const S3&); 186void tlate() { 187 late<float, true>(); 188 late<S3, false>(); 189 late2<S3>(); 190} 191