test/std/utilities/variant/variant.variant/variant_void.fail.cpp

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10
  11 // UNSUPPORTED: c++98, c++03, c++11, c++14
  12
  13 // <variant>
  14
  15 // template <class ...Types> class variant;
  16
  17
  18 #include <variant>
  19 #include <type_traits>
  20 #include <string>
  21 #include <cassert>
  22
  23 #include "test_macros.h"
  24 #include "variant_test_helpers.hpp"
  25 #include "test_convertible.hpp"
  26
  27 int main()
  28 {
  29     // expected-error@variant:* 3 {{static_assert failed}}
  30     std::variant<int, void> v; // expected-note {{requested here}}
  31     std::variant<int, const void> v2; // expected-note {{requested here}}
  32     std::variant<const volatile void, int> v3; // expected-note {{requested here}}
  33 }