tests/intrusive_shared_ptr_src/compare.equal.nullptr.cpp

   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 }