libcxx/test/std/thread/futures/futures.task/futures.task.members/assign_copy.verify.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // UNSUPPORTED: no-threads
  10 // UNSUPPORTED: c++03
  11
  12 // <future>
  13
  14 // class packaged_task<R(ArgTypes...)>
  15
  16 // packaged_task& operator=(packaged_task&) = delete;
  17
  18 #include <future>
  19
  20 int main(int, char**)
  21 {
  22     {
  23         std::packaged_task<double(int, char)> p0, p;
  24         p = p0; // expected-error {{overload resolution selected deleted operator '='}}
  25     }
  26
  27   return 0;
  28 }