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Copy pathtest_futures.cpp
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1236 lines (1054 loc) · 34.3 KB
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// (C) Copyright 2008-10 Anthony Williams
//
// 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)
#define BOOST_THREAD_VERSION 2
#define BOOST_TEST_MODULE Boost.Threads: futures test suite
#include <boost/thread/thread_only.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/future.hpp>
#include <utility>
#include <memory>
#include <string>
#include <iostream>
#include <boost/thread/detail/log.hpp>
#include <boost/test/unit_test.hpp>
#ifdef BOOST_MSVC
# pragma warning(disable: 4267) // conversion from ... to ..., possible loss of data
#endif
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
template<typename T>
typename boost::remove_reference<T>::type&& cast_to_rval(T&& t)
{
return static_cast<typename boost::remove_reference<T>::type&&>(t);
}
#else
#if defined BOOST_THREAD_USES_MOVE
template<typename T>
boost::rv<T>& cast_to_rval(T& t)
{
return boost::move(t);
}
#else
template<typename T>
boost::detail::thread_move_t<T> cast_to_rval(T& t)
{
return boost::move(t);
}
#endif
#endif
struct X
{
public:
int i;
BOOST_THREAD_MOVABLE_ONLY(X)
X():
i(42)
{}
X(BOOST_THREAD_RV_REF(X) other):
i(BOOST_THREAD_RV(other).i)
{
BOOST_THREAD_RV(other).i=0;
}
X& operator=(BOOST_THREAD_RV_REF(X) other)
{
i=BOOST_THREAD_RV(other).i;
BOOST_THREAD_RV(other).i=0;
return *this;
}
~X()
{}
};
namespace boost {
BOOST_THREAD_DCL_MOVABLE(X)
}
int make_int()
{
return 42;
}
int throw_runtime_error()
{
throw std::runtime_error("42");
}
void set_promise_thread(boost::promise<int>* p)
{
p->set_value(42);
}
struct my_exception
{};
void set_promise_exception_thread(boost::promise<int>* p)
{
p->set_exception(boost::copy_exception(my_exception()));
}
BOOST_AUTO_TEST_CASE(test_store_value_from_thread)
{
BOOST_DETAIL_THREAD_LOG;
try {
boost::promise<int> pi2;
BOOST_DETAIL_THREAD_LOG;
boost::unique_future<int> fi2(BOOST_THREAD_MAKE_RV_REF(pi2.get_future()));
BOOST_DETAIL_THREAD_LOG;
boost::thread(set_promise_thread,&pi2);
BOOST_DETAIL_THREAD_LOG;
int j=fi2.get();
BOOST_DETAIL_THREAD_LOG;
BOOST_CHECK(j==42);
BOOST_DETAIL_THREAD_LOG;
BOOST_CHECK(fi2.is_ready());
BOOST_DETAIL_THREAD_LOG;
BOOST_CHECK(fi2.has_value());
BOOST_DETAIL_THREAD_LOG;
BOOST_CHECK(!fi2.has_exception());
BOOST_DETAIL_THREAD_LOG;
BOOST_CHECK(fi2.get_state()==boost::future_state::ready);
BOOST_DETAIL_THREAD_LOG;
}
catch (...)
{
BOOST_CHECK(false&&"Exception thrown");
}
}
BOOST_AUTO_TEST_CASE(test_store_exception)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi3;
boost::unique_future<int> fi3(BOOST_THREAD_MAKE_RV_REF(pi3.get_future()));
boost::thread(set_promise_exception_thread,&pi3);
try
{
fi3.get();
BOOST_CHECK(false);
}
catch(my_exception)
{
BOOST_CHECK(true);
}
BOOST_CHECK(fi3.is_ready());
BOOST_CHECK(!fi3.has_value());
BOOST_CHECK(fi3.has_exception());
BOOST_CHECK(fi3.get_state()==boost::future_state::ready);
}
BOOST_AUTO_TEST_CASE(test_initial_state)
{
BOOST_DETAIL_THREAD_LOG;
boost::unique_future<int> fi;
BOOST_CHECK(!fi.is_ready());
BOOST_CHECK(!fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::uninitialized);
int i;
try
{
i=fi.get();
(void)i;
BOOST_CHECK(false);
}
catch(boost::future_uninitialized)
{
BOOST_CHECK(true);
}
}
BOOST_AUTO_TEST_CASE(test_waiting_future)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi;
boost::unique_future<int> fi;
fi=BOOST_THREAD_MAKE_RV_REF(pi.get_future());
int i=0;
BOOST_CHECK(!fi.is_ready());
BOOST_CHECK(!fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::waiting);
BOOST_CHECK(i==0);
}
BOOST_AUTO_TEST_CASE(test_cannot_get_future_twice)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi;
BOOST_THREAD_MAKE_RV_REF(pi.get_future());
try
{
pi.get_future();
BOOST_CHECK(false);
}
catch(boost::future_already_retrieved&)
{
BOOST_CHECK(true);
}
}
BOOST_AUTO_TEST_CASE(test_set_value_updates_future_state)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi;
boost::unique_future<int> fi;
fi=BOOST_THREAD_MAKE_RV_REF(pi.get_future());
pi.set_value(42);
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
}
BOOST_AUTO_TEST_CASE(test_set_value_can_be_retrieved)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi;
boost::unique_future<int> fi;
fi=BOOST_THREAD_MAKE_RV_REF(pi.get_future());
pi.set_value(42);
int i=0;
BOOST_CHECK(i=fi.get());
BOOST_CHECK(i==42);
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
}
BOOST_AUTO_TEST_CASE(test_set_value_can_be_moved)
{
BOOST_DETAIL_THREAD_LOG;
// boost::promise<int> pi;
// boost::unique_future<int> fi;
// fi=BOOST_THREAD_MAKE_RV_REF(pi.get_future());
// pi.set_value(42);
// int i=0;
// BOOST_CHECK(i=fi.get());
// BOOST_CHECK(i==42);
// BOOST_CHECK(fi.is_ready());
// BOOST_CHECK(fi.has_value());
// BOOST_CHECK(!fi.has_exception());
// BOOST_CHECK(fi.get_state()==boost::future_state::ready);
}
BOOST_AUTO_TEST_CASE(test_future_from_packaged_task_is_waiting)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
int i=0;
BOOST_CHECK(!fi.is_ready());
BOOST_CHECK(!fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::waiting);
BOOST_CHECK(i==0);
}
BOOST_AUTO_TEST_CASE(test_invoking_a_packaged_task_populates_future)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt();
int i=0;
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
BOOST_CHECK(i=fi.get());
BOOST_CHECK(i==42);
}
BOOST_AUTO_TEST_CASE(test_invoking_a_packaged_task_twice_throws)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
pt();
try
{
pt();
BOOST_CHECK(false);
}
catch(boost::task_already_started)
{
BOOST_CHECK(true);
}
}
BOOST_AUTO_TEST_CASE(test_cannot_get_future_twice_from_task)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
pt.get_future();
try
{
pt.get_future();
BOOST_CHECK(false);
}
catch(boost::future_already_retrieved)
{
BOOST_CHECK(true);
}
}
BOOST_AUTO_TEST_CASE(test_task_stores_exception_if_function_throws)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(throw_runtime_error);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt();
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(!fi.has_value());
BOOST_CHECK(fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
try
{
fi.get();
BOOST_CHECK(false);
}
catch(std::exception&)
{
BOOST_CHECK(true);
}
catch(...)
{
BOOST_CHECK(!"Unknown exception thrown");
}
}
BOOST_AUTO_TEST_CASE(test_void_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<void> p;
boost::unique_future<void> f(BOOST_THREAD_MAKE_RV_REF(p.get_future()));
p.set_value();
BOOST_CHECK(f.is_ready());
BOOST_CHECK(f.has_value());
BOOST_CHECK(!f.has_exception());
BOOST_CHECK(f.get_state()==boost::future_state::ready);
f.get();
}
BOOST_AUTO_TEST_CASE(test_reference_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int&> p;
boost::unique_future<int&> f(BOOST_THREAD_MAKE_RV_REF(p.get_future()));
int i=42;
p.set_value(i);
BOOST_CHECK(f.is_ready());
BOOST_CHECK(f.has_value());
BOOST_CHECK(!f.has_exception());
BOOST_CHECK(f.get_state()==boost::future_state::ready);
BOOST_CHECK(&f.get()==&i);
}
void do_nothing()
{}
BOOST_AUTO_TEST_CASE(test_task_returning_void)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<void> pt(do_nothing);
boost::unique_future<void> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt();
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
}
int global_ref_target=0;
int& return_ref()
{
return global_ref_target;
}
BOOST_AUTO_TEST_CASE(test_task_returning_reference)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int&> pt(return_ref);
boost::unique_future<int&> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt();
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(fi.has_value());
BOOST_CHECK(!fi.has_exception());
BOOST_CHECK(fi.get_state()==boost::future_state::ready);
int& i=fi.get();
BOOST_CHECK(&i==&global_ref_target);
}
BOOST_AUTO_TEST_CASE(test_shared_future)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi=pt.get_future();
boost::shared_future<int> sf(::cast_to_rval(fi));
BOOST_CHECK(fi.get_state()==boost::future_state::uninitialized);
pt();
int i=0;
BOOST_CHECK(sf.is_ready());
BOOST_CHECK(sf.has_value());
BOOST_CHECK(!sf.has_exception());
BOOST_CHECK(sf.get_state()==boost::future_state::ready);
BOOST_CHECK(i=sf.get());
BOOST_CHECK(i==42);
}
BOOST_AUTO_TEST_CASE(test_copies_of_shared_future_become_ready_together)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::shared_future<int> sf(::cast_to_rval(fi));
boost::shared_future<int> sf2(sf);
boost::shared_future<int> sf3;
sf3=sf;
BOOST_CHECK(sf.get_state()==boost::future_state::waiting);
BOOST_CHECK(sf2.get_state()==boost::future_state::waiting);
BOOST_CHECK(sf3.get_state()==boost::future_state::waiting);
pt();
int i=0;
BOOST_CHECK(sf.is_ready());
BOOST_CHECK(sf.has_value());
BOOST_CHECK(!sf.has_exception());
BOOST_CHECK(sf.get_state()==boost::future_state::ready);
BOOST_CHECK(i=sf.get());
BOOST_CHECK(i==42);
i=0;
BOOST_CHECK(sf2.is_ready());
BOOST_CHECK(sf2.has_value());
BOOST_CHECK(!sf2.has_exception());
BOOST_CHECK(sf2.get_state()==boost::future_state::ready);
BOOST_CHECK(i=sf2.get());
BOOST_CHECK(i==42);
i=0;
BOOST_CHECK(sf3.is_ready());
BOOST_CHECK(sf3.has_value());
BOOST_CHECK(!sf3.has_exception());
BOOST_CHECK(sf3.get_state()==boost::future_state::ready);
BOOST_CHECK(i=sf3.get());
BOOST_CHECK(i==42);
}
BOOST_AUTO_TEST_CASE(test_shared_future_can_be_move_assigned_from_unique_future)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::shared_future<int> sf;
sf=::cast_to_rval(fi);
BOOST_CHECK(fi.get_state()==boost::future_state::uninitialized);
BOOST_CHECK(!sf.is_ready());
BOOST_CHECK(!sf.has_value());
BOOST_CHECK(!sf.has_exception());
BOOST_CHECK(sf.get_state()==boost::future_state::waiting);
}
BOOST_AUTO_TEST_CASE(test_shared_future_void)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<void> pt(do_nothing);
boost::unique_future<void> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::shared_future<void> sf(::cast_to_rval(fi));
BOOST_CHECK(fi.get_state()==boost::future_state::uninitialized);
pt();
BOOST_CHECK(sf.is_ready());
BOOST_CHECK(sf.has_value());
BOOST_CHECK(!sf.has_exception());
BOOST_CHECK(sf.get_state()==boost::future_state::ready);
sf.get();
}
BOOST_AUTO_TEST_CASE(test_shared_future_ref)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int&> p;
boost::shared_future<int&> f(BOOST_THREAD_MAKE_RV_REF(p.get_future()));
int i=42;
p.set_value(i);
BOOST_CHECK(f.is_ready());
BOOST_CHECK(f.has_value());
BOOST_CHECK(!f.has_exception());
BOOST_CHECK(f.get_state()==boost::future_state::ready);
BOOST_CHECK(&f.get()==&i);
}
BOOST_AUTO_TEST_CASE(test_can_get_a_second_future_from_a_moved_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<int> pi;
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
boost::promise<int> pi2(::cast_to_rval(pi));
boost::unique_future<int> fi2(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
pi2.set_value(3);
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(!fi2.is_ready());
BOOST_CHECK(fi.get()==3);
pi.set_value(42);
BOOST_CHECK(fi2.is_ready());
BOOST_CHECK(fi2.get()==42);
}
BOOST_AUTO_TEST_CASE(test_can_get_a_second_future_from_a_moved_void_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<void> pi;
boost::unique_future<void> fi(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
boost::promise<void> pi2(::cast_to_rval(pi));
boost::unique_future<void> fi2(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
pi2.set_value();
BOOST_CHECK(fi.is_ready());
BOOST_CHECK(!fi2.is_ready());
pi.set_value();
BOOST_CHECK(fi2.is_ready());
}
BOOST_AUTO_TEST_CASE(test_unique_future_for_move_only_udt)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<X> pt;
boost::unique_future<X> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt.set_value(X());
X res(fi.get());
BOOST_CHECK(res.i==42);
}
BOOST_AUTO_TEST_CASE(test_unique_future_for_string)
{
BOOST_DETAIL_THREAD_LOG;
boost::promise<std::string> pt;
boost::unique_future<std::string> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt.set_value(std::string("hello"));
std::string res(fi.get());
BOOST_CHECK(res=="hello");
boost::promise<std::string> pt2;
fi=BOOST_THREAD_MAKE_RV_REF(pt2.get_future());
std::string const s="goodbye";
pt2.set_value(s);
res=fi.get();
BOOST_CHECK(res=="goodbye");
boost::promise<std::string> pt3;
fi=BOOST_THREAD_MAKE_RV_REF(pt3.get_future());
std::string s2="foo";
pt3.set_value(s2);
res=fi.get();
BOOST_CHECK(res=="foo");
}
boost::mutex callback_mutex;
unsigned callback_called=0;
void wait_callback(boost::promise<int>& pi)
{
boost::lock_guard<boost::mutex> lk(callback_mutex);
++callback_called;
try
{
pi.set_value(42);
}
catch(...)
{
}
}
void do_nothing_callback(boost::promise<int>& /*pi*/)
{
boost::lock_guard<boost::mutex> lk(callback_mutex);
++callback_called;
}
BOOST_AUTO_TEST_CASE(test_wait_callback)
{
BOOST_DETAIL_THREAD_LOG;
callback_called=0;
boost::promise<int> pi;
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
pi.set_wait_callback(wait_callback);
fi.wait();
BOOST_CHECK(callback_called);
BOOST_CHECK(fi.get()==42);
fi.wait();
fi.wait();
BOOST_CHECK(callback_called==1);
}
BOOST_AUTO_TEST_CASE(test_wait_callback_with_timed_wait)
{
BOOST_DETAIL_THREAD_LOG;
callback_called=0;
boost::promise<int> pi;
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pi.get_future()));
pi.set_wait_callback(do_nothing_callback);
bool success=fi.timed_wait(boost::posix_time::milliseconds(10));
BOOST_CHECK(callback_called);
BOOST_CHECK(!success);
success=fi.timed_wait(boost::posix_time::milliseconds(10));
BOOST_CHECK(!success);
success=fi.timed_wait(boost::posix_time::milliseconds(10));
BOOST_CHECK(!success);
BOOST_CHECK(callback_called==3);
pi.set_value(42);
success=fi.timed_wait(boost::posix_time::milliseconds(10));
BOOST_CHECK(success);
BOOST_CHECK(callback_called==3);
BOOST_CHECK(fi.get()==42);
BOOST_CHECK(callback_called==3);
}
void wait_callback_for_task(boost::packaged_task<int>& pt)
{
BOOST_DETAIL_THREAD_LOG;
boost::lock_guard<boost::mutex> lk(callback_mutex);
++callback_called;
try
{
pt();
}
catch(...)
{
}
}
BOOST_AUTO_TEST_CASE(test_wait_callback_for_packaged_task)
{
BOOST_DETAIL_THREAD_LOG;
callback_called=0;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
pt.set_wait_callback(wait_callback_for_task);
fi.wait();
BOOST_CHECK(callback_called);
BOOST_CHECK(fi.get()==42);
fi.wait();
fi.wait();
BOOST_CHECK(callback_called==1);
}
BOOST_AUTO_TEST_CASE(test_packaged_task_can_be_moved)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int);
boost::unique_future<int> fi(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
BOOST_CHECK(!fi.is_ready());
boost::packaged_task<int> pt2(::cast_to_rval(pt));
BOOST_CHECK(!fi.is_ready());
try
{
pt();
BOOST_CHECK(!"Can invoke moved task!");
}
catch(boost::task_moved&)
{
}
BOOST_CHECK(!fi.is_ready());
pt2();
BOOST_CHECK(fi.is_ready());
}
BOOST_AUTO_TEST_CASE(test_destroying_a_promise_stores_broken_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::unique_future<int> f;
{
boost::promise<int> p;
f=BOOST_THREAD_MAKE_RV_REF(p.get_future());
}
BOOST_CHECK(f.is_ready());
BOOST_CHECK(f.has_exception());
try
{
f.get();
}
catch(boost::broken_promise&)
{
}
}
BOOST_AUTO_TEST_CASE(test_destroying_a_packaged_task_stores_broken_promise)
{
BOOST_DETAIL_THREAD_LOG;
boost::unique_future<int> f;
{
boost::packaged_task<int> p(make_int);
f=BOOST_THREAD_MAKE_RV_REF(p.get_future());
}
BOOST_CHECK(f.is_ready());
BOOST_CHECK(f.has_exception());
try
{
f.get();
}
catch(boost::broken_promise&)
{
}
}
int make_int_slowly()
{
boost::this_thread::sleep(boost::posix_time::seconds(1));
return 42;
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_two_futures_1)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::thread(::cast_to_rval(pt));
unsigned const future=boost::wait_for_any(f1,f2);
BOOST_CHECK(future==0);
BOOST_CHECK(f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(f1.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_two_futures_2)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::thread(::cast_to_rval(pt2));
unsigned const future=boost::wait_for_any(f1,f2);
BOOST_CHECK(future==1);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(f2.is_ready());
BOOST_CHECK(f2.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_three_futures_1)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::thread(::cast_to_rval(pt));
unsigned const future=boost::wait_for_any(f1,f2,f3);
BOOST_CHECK(future==0);
BOOST_CHECK(f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(f1.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_three_futures_2)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::thread(::cast_to_rval(pt2));
unsigned const future=boost::wait_for_any(f1,f2,f3);
BOOST_CHECK(future==1);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(f2.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_three_futures_3)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::thread(::cast_to_rval(pt3));
unsigned const future=boost::wait_for_any(f1,f2,f3);
BOOST_CHECK(future==2);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(f3.is_ready());
BOOST_CHECK(f3.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_four_futures_1)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::thread(::cast_to_rval(pt));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4);
BOOST_CHECK(future==0);
BOOST_CHECK(f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(!f4.is_ready());
BOOST_CHECK(f1.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_four_futures_2)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::thread(::cast_to_rval(pt2));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4);
BOOST_CHECK(future==1);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(!f4.is_ready());
BOOST_CHECK(f2.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_four_futures_3)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::thread(::cast_to_rval(pt3));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4);
BOOST_CHECK(future==2);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(f3.is_ready());
BOOST_CHECK(!f4.is_ready());
BOOST_CHECK(f3.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_four_futures_4)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::thread(::cast_to_rval(pt4));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4);
BOOST_CHECK(future==3);
BOOST_CHECK(!f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(f4.is_ready());
BOOST_CHECK(f4.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_five_futures_1)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::packaged_task<int> pt5(make_int_slowly);
boost::unique_future<int> f5(BOOST_THREAD_MAKE_RV_REF(pt5.get_future()));
boost::thread(::cast_to_rval(pt));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4,f5);
BOOST_CHECK(future==0);
BOOST_CHECK(f1.is_ready());
BOOST_CHECK(!f2.is_ready());
BOOST_CHECK(!f3.is_ready());
BOOST_CHECK(!f4.is_ready());
BOOST_CHECK(!f5.is_ready());
BOOST_CHECK(f1.get()==42);
}
BOOST_AUTO_TEST_CASE(test_wait_for_either_of_five_futures_2)
{
BOOST_DETAIL_THREAD_LOG;
boost::packaged_task<int> pt(make_int_slowly);
boost::unique_future<int> f1(BOOST_THREAD_MAKE_RV_REF(pt.get_future()));
boost::packaged_task<int> pt2(make_int_slowly);
boost::unique_future<int> f2(BOOST_THREAD_MAKE_RV_REF(pt2.get_future()));
boost::packaged_task<int> pt3(make_int_slowly);
boost::unique_future<int> f3(BOOST_THREAD_MAKE_RV_REF(pt3.get_future()));
boost::packaged_task<int> pt4(make_int_slowly);
boost::unique_future<int> f4(BOOST_THREAD_MAKE_RV_REF(pt4.get_future()));
boost::packaged_task<int> pt5(make_int_slowly);
boost::unique_future<int> f5(BOOST_THREAD_MAKE_RV_REF(pt5.get_future()));
boost::thread(::cast_to_rval(pt2));
unsigned const future=boost::wait_for_any(f1,f2,f3,f4,f5);
BOOST_CHECK(future==1);
BOOST_CHECK(!f1.is_ready());
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