libcxx/test/std/utilities/variant/variant.variant/variant_void.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: c++03, c++11, c++14
  10
  11 // <variant>
  12
  13 // template <class ...Types> class variant;
  14
  15
  16 #include <variant>
  17 #include <type_traits>
  18 #include <string>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22 #include "variant_test_helpers.h"
  23 #include "test_convertible.h"
  24
  25 int main(int, char**)
  26 {
  27     // expected-error@variant:* 3 {{static assertion failed}}
  28     std::variant<int, void> v; // expected-note {{requested here}}
  29     std::variant<int, const void> v2; // expected-note {{requested here}}
  30     std::variant<const volatile void, int> v3; // expected-note {{requested here}}
  31
  32   return 0;
  33 }