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libcxx/test/std/thread/futures/futures.future_error/what.pass.cpp

55 lines
1.8 KiB
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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// LWG 2056 changed the values of future_errc, so if we're using new headers
// with an old library we'll get incorrect messages.
//
// XFAIL: with_system_cxx_lib=macosx10.11
// XFAIL: with_system_cxx_lib=macosx10.10
// XFAIL: with_system_cxx_lib=macosx10.9
// XFAIL: with_system_cxx_lib=macosx10.7
// XFAIL: with_system_cxx_lib=macosx10.8
// <future>
// class future_error
// const char* what() const throw();
#include <future>
#include <cstring>
#include <cassert>
#include "test_macros.h"
int main()
{
{
std::future_error f(std::make_error_code(std::future_errc::broken_promise));
LIBCPP_ASSERT(std::strcmp(f.what(), "The associated promise has been destructed prior "
"to the associated state becoming ready.") == 0);
}
{
std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved));
LIBCPP_ASSERT(std::strcmp(f.what(), "The future has already been retrieved from "
"the promise or packaged_task.") == 0);
}
{
std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied));
LIBCPP_ASSERT(std::strcmp(f.what(), "The state of the promise has already been set.") == 0);
}
{
std::future_error f(std::make_error_code(std::future_errc::no_state));
LIBCPP_ASSERT(std::strcmp(f.what(), "Operation not permitted on an object without "
"an associated state.") == 0);
}
}