tests/intrusive_shared_ptr_src/abi.caller.raw.cpp

   1 //
   2 // This tests that we can call functions implemented using shared pointers
   3 // from an API vending itself as returning raw pointers, because both are
   4 // ABI compatible.
   5 //
   6 // In this TU, SharedPtr<T> is just T*, since USE_SHARED_PTR is not defined.
   7 //
   8
   9 #include <darwintest.h>
  10 #include "abi_helper.h"
  11
  12 // Receive a raw pointer from a function that actually returns a smart pointer
  13 T_DECL(abi_caller_raw, "intrusive_shared_ptr.abi.caller.raw") {
  14         T obj{10};
  15         T* expected = &obj;
  16         T* result = return_shared_as_raw(expected);
  17         CHECK(result == expected);
  18
  19         // Sometimes the test above passes even though it should fail, if the
  20         // right address happens to be on the stack in the right location. This
  21         // can happen if abi.caller.smart is run just before this test. This
  22         // second test makes sure it fails when it should.
  23         CHECK(result->i == 10);
  24 }