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 sized operator delete replacement. 11 12 // Note that sized delete operator definitions below are simply ignored 13 // when sized deallocation is not supported, e.g., prior to C++14. 14 15 // UNSUPPORTED: c++14, c++1z 16 // UNSUPPORTED: sanitizer-new-delete 17 18 #include <new> 19 #include <cstddef> 20 #include <cstdlib> 21 #include <cassert> 22 23 int unsized_delete_called = 0; 24 int unsized_delete_nothrow_called = 0; 25 int sized_delete_called = 0; 26 operator delete(void * p)27void operator delete(void* p) throw() 28 { 29 ++unsized_delete_called; 30 std::free(p); 31 } 32 operator delete(void * p,const std::nothrow_t &)33void operator delete(void* p, const std::nothrow_t&) throw() 34 { 35 ++unsized_delete_nothrow_called; 36 std::free(p); 37 } 38 operator delete(void * p,std::size_t)39void operator delete(void* p, std::size_t) throw() 40 { 41 ++sized_delete_called; 42 std::free(p); 43 } 44 main()45int main() 46 { 47 int *x = new int(42); 48 assert(0 == unsized_delete_called); 49 assert(0 == unsized_delete_nothrow_called); 50 assert(0 == sized_delete_called); 51 52 delete x; 53 assert(1 == unsized_delete_called); 54 assert(0 == sized_delete_called); 55 assert(0 == unsized_delete_nothrow_called); 56 } 57