Home | History | Annotate | Download | only in thread.lock.scoped
      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 // UNSUPPORTED: c++98, c++03, c++11, c++14
     12 
     13 // <mutex>
     14 
     15 // template <class ...Mutex> class scoped_lock;
     16 
     17 // scoped_lock(scoped_lock const&) = delete;
     18 
     19 #include <mutex>
     20 #include "test_macros.h"
     21 
     22 int main()
     23 {
     24     using M = std::mutex;
     25     M m0, m1, m2;
     26     {
     27         using LG = std::scoped_lock<>;
     28         const LG Orig;
     29         LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
     30     }
     31     {
     32         using LG = std::scoped_lock<M>;
     33         const LG Orig(m0);
     34         LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
     35     }
     36     {
     37         using LG = std::scoped_lock<M, M>;
     38         const LG Orig(m0, m1);
     39         LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
     40     }
     41     {
     42         using LG = std::scoped_lock<M, M, M>;
     43         const LG Orig(m0, m1, m2);
     44         LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
     45     }
     46 }
     47