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)27 void operator delete(void* p) throw()
28 {
29     ++unsized_delete_called;
30     std::free(p);
31 }
32 
operator delete(void * p,const std::nothrow_t &)33 void 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)39 void operator delete(void* p, std::size_t) throw()
40 {
41     ++sized_delete_called;
42     std::free(p);
43 }
44 
main()45 int 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