1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <memory> 11 12 // template<class Y> explicit shared_ptr(Y* p); 13 14 // UNSUPPORTED: asan, msan 15 16 #include <memory> 17 #include <new> 18 #include <cstdlib> 19 #include <cassert> 20 21 struct A 22 { 23 static int count; 24 25 A() {++count;} 26 A(const A&) {++count;} 27 ~A() {--count;} 28 }; 29 30 int A::count = 0; 31 32 bool throw_next = false; 33 34 void* operator new(std::size_t s) throw(std::bad_alloc) 35 { 36 if (throw_next) 37 throw std::bad_alloc(); 38 return std::malloc(s); 39 } 40 41 void operator delete(void* p) throw() 42 { 43 std::free(p); 44 } 45 46 int main() 47 { 48 { 49 A* ptr = new A; 50 throw_next = true; 51 assert(A::count == 1); 52 try 53 { 54 std::shared_ptr<A> p(ptr); 55 assert(false); 56 } 57 catch (std::bad_alloc&) 58 { 59 assert(A::count == 0); 60 } 61 } 62 } 63
