test/std/utilities/memory/util.smartptr/util.smartptr.shared.atomic/atomic_store.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // UNSUPPORTED: libcpp-has-no-threads
  11 //
  12 // This test uses new symbols that were not defined in the libc++ shipped on
  13 // darwin11 and darwin12:
  14 // XFAIL: with_system_cxx_lib=x86_64-apple-macosx10.7
  15 // XFAIL: with_system_cxx_lib=x86_64-apple-macosx10.8
  16
  17 // <memory>
  18
  19 // shared_ptr
  20
  21 // template <class T>
  22 // void
  23 // atomic_store(shared_ptr<T>* p, shared_ptr<T> r)
  24
  25 // UNSUPPORTED: c++98, c++03
  26
  27 #include <memory>
  28 #include <cassert>
  29
  30 #include "test_macros.h"
  31
  32 int main()
  33 {
  34     {
  35         std::shared_ptr<int> p;
  36         std::shared_ptr<int> r(new int(3));
  37         std::atomic_store(&p, r);
  38         assert(*p == *r);
  39     }
  40 }