tests/bounded_array_ref_src/data.cpp

   1 //
   2 // Tests for
   3 //  T* data() const;
   4 //
   5
   6 #include <libkern/c++/bounded_array_ref.h>
   7 #include "test_policy.h"
   8 #include <cstddef>
   9 #include <darwintest.h>
  10 #include <darwintest_utils.h>
  11
  12 struct T { int i; };
  13
  14 template <typename T>
  15 static void
  16 tests()
  17 {
  18         T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
  19
  20         {
  21                 test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
  22                 T* data = view.data();
  23                 CHECK(data == &array[0]);
  24         }
  25         {
  26                 test_bounded_array_ref<T> const view(&array[0], 1);
  27                 T* data = view.data();
  28                 CHECK(data == &array[0]);
  29         }
  30
  31         {
  32                 test_bounded_array_ref<T> const view(&array[1], 2);
  33                 T* data = view.data();
  34                 CHECK(data == &array[1]);
  35         }
  36         {
  37                 test_bounded_array_ref<T> const view(&array[2], 2);
  38                 T* data = view.data();
  39                 CHECK(data == &array[2]);
  40         }
  41 }
  42
  43 T_DECL(data, "bounded_array_ref.data") {
  44         tests<T>();
  45         tests<T const>();
  46 }