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      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 // <future>
     13 
     14 // class promise<R>
     15 
     16 // void set_exception(exception_ptr p);
     17 
     18 #include <future>
     19 #include <cassert>
     20 
     21 int main()
     22 {
     23     {
     24         typedef int T;
     25         std::promise<T> p;
     26         std::future<T> f = p.get_future();
     27         p.set_exception(std::make_exception_ptr(3));
     28         try
     29         {
     30             f.get();
     31             assert(false);
     32         }
     33         catch (int i)
     34         {
     35             assert(i == 3);
     36         }
     37         try
     38         {
     39             p.set_exception(std::make_exception_ptr(3));
     40             assert(false);
     41         }
     42         catch (const std::future_error& e)
     43         {
     44             assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied));
     45         }
     46     }
     47 }
     48