cxx/test/thread/futures/futures.promise/set_exception.pass.cpp
Jonathan Roelofs 8d86b2e686 Allow libc++ to be built on systems without POSIX threads
If you're crazy enough to want this sort of thing, then add
-D_LIBCPP_HAS_NO_THREADS to your CXXFLAGS and
--param=additiona_features=libcpp-has-no-threads to your lit commnad line.

http://reviews.llvm.org/D3969


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@217271 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-05 19:45:05 +00:00

48 lines
1.1 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
// <future>
// class promise<R>
// void set_exception(exception_ptr p);
#include <future>
#include <cassert>
int main()
{
{
typedef int T;
std::promise<T> p;
std::future<T> f = p.get_future();
p.set_exception(std::make_exception_ptr(3));
try
{
f.get();
assert(false);
}
catch (int i)
{
assert(i == 3);
}
try
{
p.set_exception(std::make_exception_ptr(3));
assert(false);
}
catch (const std::future_error& e)
{
assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied));
}
}
}