tests/safe_allocation_src/operator.bool.cpp

   1 //
   2 // Tests for
   3 //      explicit operator bool() const;
   4 //
   5
   6 #include <libkern/c++/safe_allocation.h>
   7 #include <darwintest.h>
   8 #include "test_utils.h"
   9 #include <type_traits>
  10
  11 struct T {
  12         int i;
  13 };
  14
  15 template <typename T>
  16 static void
  17 tests()
  18 {
  19         {
  20                 test_safe_allocation<T> const array(10, libkern::allocate_memory);
  21                 CHECK(static_cast<bool>(array));
  22                 if (array) {
  23                 } else {
  24                         CHECK(FALSE);
  25                 }
  26         }
  27         {
  28                 test_safe_allocation<T> const array = nullptr;
  29                 CHECK(!static_cast<bool>(array));
  30                 if (!array) {
  31                 } else {
  32                         CHECK(FALSE);
  33                 }
  34         }
  35
  36         static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
  37 }
  38
  39 T_DECL(operator_bool, "safe_allocation.operator.bool") {
  40         tests<T>();
  41         tests<T const>();
  42 }