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155 lines
3.7 KiB
C++
155 lines
3.7 KiB
C++
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// Copyright Oliver Kowalke 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// This test is based on the tests of Boost.Thread
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#include <cstdlib>
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#include <cstdio>
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#include <iostream>
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#include <map>
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#include <stdexcept>
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#include <vector>
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#include <boost/atomic.hpp>
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#include <boost/bind.hpp>
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#include <boost/chrono/system_clocks.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/function.hpp>
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#include <boost/ref.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/thread.hpp>
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#include <boost/utility.hpp>
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#include <boost/fiber/all.hpp>
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typedef boost::chrono::nanoseconds ns;
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typedef boost::chrono::milliseconds ms;
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boost::atomic< int > value;
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void notify_one_fn( boost::barrier & b, boost::fibers::condition & cond)
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{
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b.wait();
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boost::this_thread::sleep_for( ms( 250) );
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cond.notify_one();
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}
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void notify_all_fn( boost::barrier & b, boost::fibers::condition & cond)
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{
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b.wait();
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boost::this_thread::sleep_for( ms( 250) );
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cond.notify_all();
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}
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void wait_fn(
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boost::barrier & b,
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boost::fibers::mutex & mtx,
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boost::fibers::condition & cond)
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{
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b.wait();
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boost::fibers::mutex::scoped_lock lk( mtx);
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cond.wait( lk);
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++value;
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}
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void fn1( boost::barrier & b, boost::fibers::mutex & mtx, boost::fibers::condition & cond)
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{
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boost::fibers::round_robin ds;
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boost::fibers::set_scheduling_algorithm( & ds);
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boost::fibers::fiber(
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boost::bind(
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wait_fn,
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boost::ref( b),
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boost::ref( mtx),
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boost::ref( cond) ) ).join();
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}
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void fn2( boost::barrier & b, boost::fibers::condition & cond)
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{
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boost::fibers::round_robin ds;
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boost::fibers::set_scheduling_algorithm( & ds);
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boost::fibers::fiber(
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boost::bind(
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notify_one_fn,
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boost::ref( b),
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boost::ref( cond) ) ).join();
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}
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void fn3( boost::barrier & b, boost::fibers::condition & cond)
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{
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boost::fibers::round_robin ds;
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boost::fibers::set_scheduling_algorithm( & ds);
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boost::fibers::fiber(
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boost::bind(
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notify_all_fn,
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boost::ref( b),
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boost::ref( cond) ) ).join();
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}
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void test_one_waiter_notify_one()
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{
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boost::fibers::round_robin ds;
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boost::fibers::set_scheduling_algorithm( & ds);
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boost::barrier b( 2);
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value = 0;
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boost::fibers::mutex mtx;
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boost::fibers::condition cond;
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BOOST_CHECK( 0 == value);
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boost::thread t1(boost::bind( fn1, boost::ref( b), boost::ref( mtx), boost::ref( cond) ) );
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boost::thread t2(boost::bind( fn2, boost::ref( b), boost::ref( cond) ) );
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BOOST_CHECK( 0 == value);
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t1.join();
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t2.join();
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BOOST_CHECK( 1 == value);
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}
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void test_two_waiter_notify_all()
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{
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boost::fibers::round_robin ds;
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boost::fibers::set_scheduling_algorithm( & ds);
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boost::barrier b( 3);
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value = 0;
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boost::fibers::mutex mtx;
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boost::fibers::condition cond;
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BOOST_CHECK( 0 == value);
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boost::thread t1(boost::bind( fn1, boost::ref( b), boost::ref( mtx), boost::ref( cond) ) );
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boost::thread t2(boost::bind( fn1, boost::ref( b), boost::ref( mtx), boost::ref( cond) ) );
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boost::thread t3(boost::bind( fn3, boost::ref( b), boost::ref( cond) ) );
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BOOST_CHECK( 0 == value);
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t1.join();
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t2.join();
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t3.join();
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BOOST_CHECK( 2 == value);
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}
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boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
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{
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boost::unit_test::test_suite * test =
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BOOST_TEST_SUITE("Boost.Fiber: multithreaded condition test suite");
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test->add( BOOST_TEST_CASE( & test_one_waiter_notify_one) );
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test->add( BOOST_TEST_CASE( & test_two_waiter_notify_all) );
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return test;
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}
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