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 // test operator new (nothrow) 11 12 #include <new> 13 #include <cstddef> 14 #include <cassert> 15 #include <limits> 16 17 int new_handler_called = 0; 18 19 void new_handler() 20 { 21 ++new_handler_called; 22 std::set_new_handler(0); 23 } 24 25 bool A_constructed = false; 26 27 struct A 28 { 29 A() {A_constructed = true;} 30 ~A() {A_constructed = false;} 31 }; 32 33 int main() 34 { 35 std::set_new_handler(new_handler); 36 try 37 { 38 void* vp = operator new (std::numeric_limits<std::size_t>::max(), std::nothrow); 39 assert(new_handler_called == 1); 40 assert(vp == 0); 41 } 42 catch (...) 43 { 44 assert(false); 45 } 46 A* ap = new(std::nothrow) A; 47 assert(ap); 48 assert(A_constructed); 49 delete ap; 50 assert(!A_constructed); 51 } 52