tests/safe_allocation_src/ctor.nullptr.cpp

   1 //
   2 // Tests for
   3 //  safe_allocation(std::nullptr_t);
   4 //
   5
   6 #include <libkern/c++/safe_allocation.h>
   7 #include <darwintest.h>
   8 #include "test_utils.h"
   9
  10 struct T {
  11         int i;
  12 };
  13
  14 template <typename T>
  15 static void
  16 tests()
  17 {
  18         {
  19                 test_safe_allocation<T> array(nullptr);
  20                 CHECK(array.data() == nullptr);
  21                 CHECK(array.size() == 0);
  22                 CHECK(array.begin() == array.end());
  23         }
  24         {
  25                 test_safe_allocation<T> array{nullptr};
  26                 CHECK(array.data() == nullptr);
  27                 CHECK(array.size() == 0);
  28                 CHECK(array.begin() == array.end());
  29         }
  30         {
  31                 test_safe_allocation<T> array = nullptr;
  32                 CHECK(array.data() == nullptr);
  33                 CHECK(array.size() == 0);
  34                 CHECK(array.begin() == array.end());
  35         }
  36         {
  37                 auto f = [](test_safe_allocation<T> array) {
  38                             CHECK(array.data() == nullptr);
  39                             CHECK(array.size() == 0);
  40                             CHECK(array.begin() == array.end());
  41                     };
  42                 f(nullptr);
  43         }
  44 }
  45
  46 T_DECL(ctor_nullptr, "safe_allocation.ctor.nullptr") {
  47         tests<T>();
  48         tests<T const>();
  49 }