cxx/test/thread/futures/futures.overview/future_errc.pass.cpp

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C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <future>
// enum class future_errc
// {
// broken_promise,
// future_already_retrieved,
// promise_already_satisfied,
// no_state
// };
#include <future>
int main()
{
static_assert(static_cast<int>(std::future_errc::broken_promise) == 0, "");
static_assert(static_cast<int>(std::future_errc::future_already_retrieved) == 1, "");
static_assert(static_cast<int>(std::future_errc::promise_already_satisfied) == 2, "");
static_assert(static_cast<int>(std::future_errc::no_state) == 3, "");
}