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fiber/libs/tasklet/test/test_spin_condition.cpp
Oliver Kowalke 39ec793737 initial checkin
2011-02-09 18:41:35 +01:00

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// 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/tasklet.hpp>
int value = 0;
void notify_one_fn( boost::tasklets::spin_condition & cond)
{
cond.notify_one();
}
void notify_all_fn( boost::tasklets::spin_condition & cond)
{
cond.notify_all();
}
void wait_fn(
boost::tasklets::spin_mutex & mtx,
boost::tasklets::spin_condition & cond)
{
boost::tasklets::spin_mutex::scoped_lock lk( mtx);
cond.wait( lk);
++value;
}
void test_case_1()
{
value = 0;
boost::tasklets::spin_mutex mtx;
boost::tasklets::spin_condition cond;
boost::tasklets::scheduler<> sched;
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
sched.submit_tasklet(
boost::tasklet(
notify_one_fn,
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 0), sched.size() );
BOOST_CHECK_EQUAL( 1, value);
}
void test_case_2()
{
value = 0;
boost::tasklets::spin_mutex mtx;
boost::tasklets::spin_condition cond;
boost::tasklets::scheduler<> sched;
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
sched.submit_tasklet(
boost::tasklet(
notify_one_fn,
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK_EQUAL( std::size_t( 3), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 3), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 1, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 1, value);
}
void test_case_3()
{
value = 0;
boost::tasklets::spin_mutex mtx;
boost::tasklets::spin_condition cond;
boost::tasklets::scheduler<> sched;
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
sched.submit_tasklet(
boost::tasklet(
notify_all_fn,
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK_EQUAL( std::size_t( 3), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 3), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 0, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 1, value);
sched.submit_tasklet(
boost::tasklet(
wait_fn,
boost::ref( mtx),
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 2, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 2, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 2, value);
sched.submit_tasklet(
boost::tasklet(
notify_all_fn,
boost::ref( cond),
boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 2, value);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 0), sched.size() );
BOOST_CHECK_EQUAL( 3, value);
}
boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
{
boost::unit_test::test_suite * test =
BOOST_TEST_SUITE("Boost.Tasklet: spin-condition test suite");
test->add( BOOST_TEST_CASE( & test_case_1) );
test->add( BOOST_TEST_CASE( & test_case_2) );
test->add( BOOST_TEST_CASE( & test_case_3) );
return test;
}
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