libcxx/test/std/depr.cerro/system.error.syn.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 // These macros do not seem to behave as expected on all Apple platforms.
  10 // Since the macros are not provided newer POSIX versions it is expected the
  11 // macros will be retroactively removed from C++. (The deprecation was
  12 // retroactively.)
  13 // UNSUPPORTED: apple-clang && (c++03 || clang-modules-build)
  14
  15 // <system_error>
  16
  17 // enum errc {...}
  18
  19 // tests LWG 3869 deprecated enum members.
  20
  21 #include <system_error>
  22
  23 [[maybe_unused]] std::errc nodata =
  24     std::errc::no_message_available; // expected-warning {{'no_message_available' is deprecated}}
  25 [[maybe_unused]] std::errc nosr =
  26     std::errc::no_stream_resources; // expected-warning {{'no_stream_resources' is deprecated}}
  27 [[maybe_unused]] std::errc nostr   = std::errc::not_a_stream;   // expected-warning {{'not_a_stream' is deprecated}}
  28 [[maybe_unused]] std::errc timeout = std::errc::stream_timeout; // expected-warning {{'stream_timeout' is deprecated}}