tests/intrusive_shared_ptr_src/detach.cpp

   1 //
   2 // Tests for
   3 //  pointer detach() noexcept;
   4 //
   5
   6 #include <libkern/c++/intrusive_shared_ptr.h>
   7 #include <darwintest.h>
   8 #include "test_policy.h"
   9
  10 struct T {
  11         int i;
  12 };
  13
  14 template <typename T>
  15 static void
  16 tests()
  17 {
  18         T obj{3};
  19
  20         tracking_policy::reset();
  21         tracked_shared_ptr<T> ptr(&obj, libkern::retain);
  22         T* raw = ptr.detach();
  23         CHECK(raw == &obj);
  24         CHECK(ptr.get() == nullptr); // ptr was set to null
  25         CHECK(tracking_policy::retains == 1);
  26         CHECK(tracking_policy::releases == 0);
  27 }
  28
  29 T_DECL(detach, "intrusive_shared_ptr.detach") {
  30         tests<T>();
  31         tests<T const>();
  32 }