1 //
2 // Tests for
3 // template <typename T, typename R>
4 // bool operator==(intrusive_shared_ptr<T, R> const& x, std::nullptr_t);
5 //
6 // template <typename T, typename R>
7 // bool operator!=(intrusive_shared_ptr<T, R> const& x, std::nullptr_t);
8 //
9 // template <typename T, typename R>
10 // bool operator==(std::nullptr_t, intrusive_shared_ptr<T, R> const& x);
11 //
12 // template <typename T, typename R>
13 // bool operator!=(std::nullptr_t, intrusive_shared_ptr<T, R> const& x);
14 //
15
16 #include <libkern/c++/intrusive_shared_ptr.h>
17 #include <darwintest.h>
18 #include "test_policy.h"
19
20 struct T { int i; };
21
22 template <typename T, typename U>
23 static void
check_eq(T t,U u)24 check_eq(T t, U u)
25 {
26 CHECK(t == u);
27 CHECK(u == t);
28 CHECK(!(t != u));
29 CHECK(!(u != t));
30 }
31
32 template <typename T, typename U>
33 static void
check_ne(T t,U u)34 check_ne(T t, U u)
35 {
36 CHECK(!(t == u));
37 CHECK(!(u == t));
38 CHECK(t != u);
39 CHECK(u != t);
40 }
41
42 template <typename T, typename TQual>
43 static void
tests()44 tests()
45 {
46 T obj{3};
47
48 {
49 test_shared_ptr<TQual> const a(&obj, libkern::no_retain);
50 check_ne(a, nullptr);
51 }
52
53 {
54 test_shared_ptr<TQual> const a = nullptr;
55 check_eq(a, nullptr);
56 }
57 }
58
59 T_DECL(compare_equal_nullptr, "intrusive_shared_ptr.compare.equal.nullptr", T_META_TAG_VM_PREFERRED) {
60 tests<T, T>();
61 tests<T, T const>();
62 }
63