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libcxx_old/test/std/thread/futures/futures.future_error/code.pass.cpp

59 lines
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// <future>
// class future_error
// future_error(error_code __ec); // exposition only
// explicit future_error(future_errc _Ev) : __ec_(make_error_code(_Ev)) {} // C++17
// const error_code& code() const throw();
#include <future>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::error_code ec = std::make_error_code(std::future_errc::broken_promise);
std::future_error f(ec);
assert(f.code() == ec);
}
{
std::error_code ec = std::make_error_code(std::future_errc::future_already_retrieved);
std::future_error f(ec);
assert(f.code() == ec);
}
{
std::error_code ec = std::make_error_code(std::future_errc::promise_already_satisfied);
std::future_error f(ec);
assert(f.code() == ec);
}
{
std::error_code ec = std::make_error_code(std::future_errc::no_state);
std::future_error f(ec);
assert(f.code() == ec);
}
#if TEST_STD_VER > 14
{
std::future_error f(std::future_errc::broken_promise);
assert(f.code() == std::make_error_code(std::future_errc::broken_promise));
}
{
std::future_error f(std::future_errc::no_state);
assert(f.code() == std::make_error_code(std::future_errc::no_state));
}
#endif
return 0;
}