cxx/test/thread/futures/futures.future_error/what.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

42 lines
1.4 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.
//
//===----------------------------------------------------------------------===//
// <future>
// class future_error
// const char* what() const throw();
#include <future>
#include <cstring>
#include <cassert>
int main()
{
{
std::future_error f(std::make_error_code(std::future_errc::broken_promise));
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));
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));
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));
assert(std::strcmp(f.what(), "Operation not permitted on an object without "
"an associated state.") == 0);
}
}