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
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
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
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") {
60 	tests<T, T>();
61 	tests<T, T const>();
62 }
63