cxx/test/std/thread/futures/futures.promise/get_future.pass.cpp
Asiri Rathnayake cc2e93cff0 Make it possible to build a no-exceptions variant of libcxx.
Fixes a small omission in libcxx that prevents libcxx being built when
-DLIBCXX_ENABLE_EXCEPTIONS=0 is specified.

This patch adds XFAILS to all those tests that are currently failing
on the new -fno-exceptions library variant. Follow-up patches will
update the tests (progressively) to cope with the new library variant.

Change-Id: I4b801bd8d8e4fe7193df9e55f39f1f393a8ba81a

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@252598 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-10 11:41:22 +00:00

58 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.
//
//===----------------------------------------------------------------------===//
//
// XFAIL: libcpp-no-exceptions
// UNSUPPORTED: libcpp-has-no-threads
// UNSUPPORTED: c++98, c++03
// <future>
// class promise<R>
// future<R> get_future();
#include <future>
#include <cassert>
int main()
{
{
std::promise<double> p;
std::future<double> f = p.get_future();
p.set_value(105.5);
assert(f.get() == 105.5);
}
{
std::promise<double> p;
std::future<double> f = p.get_future();
try
{
f = p.get_future();
assert(false);
}
catch (const std::future_error& e)
{
assert(e.code() == make_error_code(std::future_errc::future_already_retrieved));
}
}
{
std::promise<double> p;
std::promise<double> p0 = std::move(p);
try
{
std::future<double> f = p.get_future();
assert(false);
}
catch (const std::future_error& e)
{
assert(e.code() == make_error_code(std::future_errc::no_state));
}
}
}