| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| |
| // UNSUPPORTED: c++98, c++03 |
| // Libc++'s enum class emulation does not allow static_cast<Enum>(0) to work. |
| |
| // <future> |
| |
| // enum class future_errc |
| // { |
| // broken_promise = implementation-defined, |
| // future_already_retrieved = implementation-defined, |
| // promise_already_satisfied = implementation-defined, |
| // no_state = implementation-defined |
| // }; |
| |
| #include <future> |
| |
| int main() |
| { |
| static_assert(std::future_errc::broken_promise != std::future_errc::future_already_retrieved, ""); |
| static_assert(std::future_errc::broken_promise != std::future_errc::promise_already_satisfied, ""); |
| static_assert(std::future_errc::broken_promise != std::future_errc::no_state, ""); |
| static_assert(std::future_errc::future_already_retrieved != std::future_errc::promise_already_satisfied, ""); |
| static_assert(std::future_errc::future_already_retrieved != std::future_errc::no_state, ""); |
| static_assert(std::future_errc::promise_already_satisfied != std::future_errc::no_state, ""); |
| |
| static_assert(std::future_errc::broken_promise != static_cast<std::future_errc>(0), ""); |
| static_assert(std::future_errc::future_already_retrieved != static_cast<std::future_errc>(0), ""); |
| static_assert(std::future_errc::promise_already_satisfied != static_cast<std::future_errc>(0), ""); |
| static_assert(std::future_errc::no_state != static_cast<std::future_errc>(0), ""); |
| } |
