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 // NOTE: asan and msan will not call the new handler. 12 // UNSUPPORTED: sanitizer-new-delete 13 14 15 #include <new> 16 #include <cstddef> 17 #include <cassert> 18 #include <limits> 19 20 #include "test_macros.h" 21 22 int new_handler_called = 0; 23 24 void my_new_handler() 25 { 26 ++new_handler_called; 27 std::set_new_handler(0); 28 } 29 30 int A_constructed = 0; 31 32 struct A 33 { 34 A() {++A_constructed;} 35 ~A() {--A_constructed;} 36 }; 37 38 int main() 39 { 40 std::set_new_handler(my_new_handler); 41 #ifndef TEST_HAS_NO_EXCEPTIONS 42 try 43 #endif 44 { 45 void*volatile vp = operator new [] (std::numeric_limits<std::size_t>::max(), std::nothrow); 46 assert(new_handler_called == 1); 47 assert(vp == 0); 48 } 49 #ifndef TEST_HAS_NO_EXCEPTIONS 50 catch (...) 51 { 52 assert(false); 53 } 54 #endif 55 A* ap = new(std::nothrow) A[3]; 56 assert(ap); 57 assert(A_constructed == 3); 58 delete [] ap; 59 assert(A_constructed == 0); 60 } 61
