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 nothrow sized operator delete[] by replacing 11 // nothrow unsized operator delete[]. 12 13 // UNSUPPORTED: asan, msan 14 15 #include <new> 16 #include <cstddef> 17 #include <cstdlib> 18 #include <cassert> 19 #include <limits> 20 21 int delete_called = 0; 22 int delete_nothrow_called = 0; 23 24 void operator delete[](void* p) throw() 25 { 26 ++delete_called; 27 std::free(p); 28 } 29 30 void operator delete[](void* p, const std::nothrow_t&) throw() 31 { 32 ++delete_nothrow_called; 33 std::free(p); 34 } 35 36 int new_handler_called = 0; 37 38 void new_handler() 39 { 40 ++new_handler_called; 41 std::set_new_handler(0); 42 } 43 44 bool A_constructed = false; 45 46 struct A 47 { 48 A() {A_constructed = true;} 49 ~A() {A_constructed = false;} 50 }; 51 52 struct BadA : public A { 53 BadA() { throw std::bad_alloc(); } 54 }; 55 56 int main() 57 { 58 std::set_new_handler(new_handler); 59 try 60 { 61 void*volatile vp = operator new [] (std::numeric_limits<std::size_t>::max(), std::nothrow); 62 assert(new_handler_called == 1); 63 assert(vp == 0); 64 } 65 catch (...) 66 { 67 assert(false); 68 } 69 try 70 { 71 A* ap = new(std::nothrow) BadA [3]; 72 assert(false); 73 } 74 catch (...) 75 { 76 assert(!A_constructed); 77 assert(!delete_called); 78 assert(delete_nothrow_called == 1); 79 } 80 } 81
