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- //===----------------------------------------------------------------------===//
- //
- // 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.
- //
- //===----------------------------------------------------------------------===//
- // Copyright (C) 2014 Vicente J. Botet Escriba
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- // <boost/thread/future.hpp>
- // template <class T, class Ts>
- // future<tuple<T, Ts...>> when_all(T&&, Ts&& ...);
- #include <boost/config.hpp>
- #if ! defined BOOST_NO_CXX11_DECLTYPE
- #define BOOST_RESULT_OF_USE_DECLTYPE
- #endif
- #define BOOST_THREAD_VERSION 4
- #include <boost/thread/future.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #include <stdexcept>
- #ifdef BOOST_MSVC
- #pragma warning(disable: 4127) // conditional expression is constant
- #endif
- int p1()
- {
- boost::this_thread::sleep_for(boost::chrono::milliseconds(100));
- return 123;
- }
- int thr()
- {
- throw std::logic_error("123");
- }
- int p2()
- {
- boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
- return 321;
- }
- int main()
- {
- #if defined BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
- if (0) // todo not yet implemented
- { // invalid future copy-constructible
- boost::future<int> f1;
- boost::future<int> f2 = boost::make_ready_future(321);
- BOOST_TEST(! f1.valid());
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- // has exception
- //BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // is_ready future copy-constructible
- boost::future<int> f1 = boost::make_ready_future(123);
- boost::future<int> f2 = boost::make_ready_future(321);
- BOOST_TEST(f1.valid());
- BOOST_TEST(f1.is_ready());
- BOOST_TEST(f2.valid());
- BOOST_TEST(f2.is_ready());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- if (0) // todo FAILS not yet implemented
- BOOST_TEST(all.is_ready());
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // is_ready shared_future copy-constructible
- boost::shared_future<int> f1 = boost::make_ready_future(123).share();
- boost::shared_future<int> f2 = boost::make_ready_future(321).share();
- BOOST_TEST(f1.valid());
- BOOST_TEST(f1.is_ready());
- BOOST_TEST(f2.valid());
- BOOST_TEST(f2.is_ready());
- boost::future<boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > > all = boost::when_all(f1, f2);
- BOOST_TEST(f1.valid());
- BOOST_TEST(f2.valid());
- BOOST_TEST(all.valid());
- if (0) // todo FAILS not yet implemented
- BOOST_TEST(all.is_ready());
- boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // packaged_task future copy-constructible
- boost::packaged_task<int()> pt1(&p1);
- boost::future<int> f1 = pt1.get_future();
- BOOST_TEST(f1.valid());
- boost::packaged_task<int()> pt2(&p2);
- boost::future<int> f2 = pt2.get_future();
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- pt1();
- pt2();
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // packaged_task future copy-constructible
- boost::packaged_task<int()> pt1(&thr);
- boost::future<int> f1 = pt1.get_future();
- BOOST_TEST(f1.valid());
- boost::packaged_task<int()> pt2(&p2);
- boost::future<int> f2 = pt2.get_future();
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- pt1();
- pt2();
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- try {
- boost::csbl::get<0>(res).get();
- BOOST_TEST(false);
- } catch (std::logic_error& ex) {
- BOOST_TEST(ex.what() == std::string("123"));
- } catch (...) {
- BOOST_TEST(false);
- }
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // packaged_task shared_future copy-constructible
- boost::packaged_task<int()> pt1(&p1);
- boost::shared_future<int> f1 = pt1.get_future().share();
- BOOST_TEST(f1.valid());
- boost::packaged_task<int()> pt2(&p2);
- boost::shared_future<int> f2 = pt2.get_future().share();
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > > all = boost::when_all(f1, f2);
- BOOST_TEST(f1.valid());
- BOOST_TEST(f2.valid());
- BOOST_TEST(all.valid());
- BOOST_TEST(! all.is_ready());
- pt1();
- BOOST_TEST(! all.is_ready());
- pt2();
- boost::this_thread::sleep_for(boost::chrono::milliseconds(300));
- BOOST_TEST(all.is_ready());
- boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // async future copy-constructible
- boost::future<int> f1 = boost::async(boost::launch::async, &p1);
- BOOST_TEST(f1.valid());
- boost::future<int> f2 = boost::async(boost::launch::async, &p2);
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // async shared_future copy-constructible
- boost::shared_future<int> f1 = boost::async(boost::launch::async, &p1).share();
- BOOST_TEST(f1.valid());
- boost::shared_future<int> f2 = boost::async(boost::launch::async, &p2).share();
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > > all = boost::when_all(f1, f2);
- BOOST_TEST(f1.valid());
- BOOST_TEST(f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- { // async future copy-constructible
- boost::future<int> f1 = boost::async(boost::launch::async, &p1);
- BOOST_TEST(f1.valid());
- boost::future<int> f2 = boost::make_ready_future(321);
- BOOST_TEST(f2.valid());
- BOOST_TEST(f2.is_ready());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- #if defined BOOST_THREAD_PROVIDES_VARIADIC_THREAD
- // fixme darwin-4.8.0_11 terminate called without an active exception
- { // deferred future copy-constructible
- boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);
- boost::future<int> f2 = boost::async(boost::launch::deferred, &p2);
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- // fixme darwin-4.8.0_11 terminate called without an active exception
- { // deferred shared_future copy-constructible
- boost::shared_future<int> f1 = boost::async(boost::launch::deferred, &p1).share();
- boost::shared_future<int> f2 = boost::async(boost::launch::deferred, &p2).share();
- boost::future<boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > > all = boost::when_all(f1, f2);
- BOOST_TEST(f1.valid());
- BOOST_TEST(f2.valid());
- BOOST_TEST(all.valid());
- boost::csbl::tuple<boost::shared_future<int>,boost::shared_future<int> > res = all.get();
- BOOST_TEST(boost::csbl::get<0>(res).valid());
- BOOST_TEST(boost::csbl::get<0>(res).is_ready());
- BOOST_TEST(boost::csbl::get<1>(res).valid());
- BOOST_TEST(boost::csbl::get<1>(res).is_ready());
- BOOST_TEST(boost::csbl::get<0>(res).get() == 123);
- BOOST_TEST(boost::csbl::get<1>(res).get() == 321);
- }
- #endif
- #if ! defined BOOST_NO_CXX11_LAMBDAS
- { // async futures copy-constructible then()
- boost::future<int> f1 = boost::async(boost::launch::async, &p1);
- BOOST_TEST(f1.valid());
- boost::future<int> f2 = boost::async(boost::launch::async, &p2);
- BOOST_TEST(f2.valid());
- boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
- BOOST_TEST(! f1.valid());
- BOOST_TEST(! f2.valid());
- BOOST_TEST(all.valid());
- boost::future<int> sum = all.then([](boost::future<boost::csbl::tuple<boost::future<int>, boost::future<int> > > f)
- {
- boost::csbl::tuple<boost::future<int>,boost::future<int> > v = f.get();
- return boost::csbl::get<0>(v).get()+boost::csbl::get<1>(v).get();
- });
- BOOST_TEST(sum.valid());
- BOOST_TEST(sum.get() == 444);
- }
- #endif
- #endif
- return boost::report_errors();
- }
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