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fiber/test/test_count_down_event.cpp

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2.3 KiB
C++

// Copyright Oliver Kowalke 2009.
// 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)
#include <cstdlib>
#include <iostream>
#include <map>
#include <stdexcept>
#include <vector>
#include <boost/bind.hpp>
#include <boost/cstdint.hpp>
#include <boost/function.hpp>
#include <boost/ref.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/utility.hpp>
#include <boost/fiber/all.hpp>
namespace stm = boost::fibers;
namespace this_stm = boost::this_fiber;
int value = 0;
void wait_fn( stm::count_down_event & ev)
{
ev.wait();
++value;
}
void fn1()
{
stm::count_down_event ev( 3);
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)3);
ev.set();
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)2);
ev.set();
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)1);
ev.set();
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)0);
ev.set();
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)0);
}
void fn2()
{
value = 0;
stm::count_down_event ev( 3);
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)3);
stm::fiber s(
boost::bind(
wait_fn,
boost::ref( ev) ) );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( ! stm::run() );
BOOST_CHECK_EQUAL( 0, value);
ev.set();
BOOST_CHECK( ! stm::run() );
BOOST_CHECK_EQUAL( 0, value);
ev.set();
BOOST_CHECK( ! stm::run() );
BOOST_CHECK_EQUAL( 0, value);
ev.set();
BOOST_CHECK( stm::run() );
BOOST_CHECK_EQUAL( ev.initial(), ( std::size_t)3);
BOOST_CHECK_EQUAL( ev.current(), ( std::size_t)0);
BOOST_CHECK_EQUAL( 1, value);
}
void test_count_down()
{
stm::fiber( fn1).join();
fn1();
}
void test_wait()
{
stm::fiber( fn2).join();
fn2();
}
boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
{
boost::unit_test::test_suite * test =
BOOST_TEST_SUITE("Boost.Stratified: count_down_event test suite");
test->add( BOOST_TEST_CASE( & test_count_down) );
test->add( BOOST_TEST_CASE( & test_wait) );
return test;
}