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 calls the unsized operator [] delete. 11 // When sized operator delete [] is not available (ex C++11) then the unsized 12 // operator delete [] is called directly. 13 14 // UNSUPPORTED: sanitizer-new-delete 15 16 #include <new> 17 #include <cstddef> 18 #include <cstdlib> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int delete_called = 0; 24 int delete_nothrow_called = 0; 25 26 void operator delete[](void* p) TEST_NOEXCEPT 27 { 28 ++delete_called; 29 std::free(p); 30 } 31 32 void operator delete[](void* p, const std::nothrow_t&) TEST_NOEXCEPT 33 { 34 ++delete_nothrow_called; 35 std::free(p); 36 } 37 38 // NOTE: Use a class with a non-trivial destructor as the test type in order 39 // to ensure the correct overload is called. 40 // C++14 5.3.5 [expr.delete]p10 41 // - If the type is complete and if, for the second alternative (delete array) 42 // only, the operand is a pointer to a class type with a non-trivial 43 // destructor or a (possibly multi-dimensional) array thereof, the function 44 // with two parameters is selected. 45 // - Otherwise, it is unspecified which of the two deallocation functions is 46 // selected. 47 struct A { ~A() {} }; 48 49 A *volatile x; 50 51 int main() 52 { 53 x = new A[3]; 54 assert(0 == delete_called); 55 assert(0 == delete_nothrow_called); 56 57 delete [] x; 58 assert(1 == delete_called); 59 assert(0 == delete_nothrow_called); 60 } 61
