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

133 lines
3.2 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)
//
// This test is based on the tests of Boost.Thread
#include <cstdlib>
#include <iostream>
#include <map>
#include <stdexcept>
#include <vector>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/ref.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/utility.hpp>
#include <boost/tasklet.hpp>
template< typename M >
struct test_lock
{
typedef M mutex_type;
typedef typename M::scoped_lock lock_type;
void operator()( boost::tasklets::scheduler<> & sched)
{
mutex_type mtx;
// Test the lock's constructors.
{
lock_type lk(mtx, boost::defer_lock);
BOOST_CHECK(!lk);
}
lock_type lk(mtx);
BOOST_CHECK(lk ? true : false);
// Test the lock and unlock methods.
lk.unlock();
BOOST_CHECK(!lk);
lk.lock();
BOOST_CHECK(lk ? true : false);
}
};
void do_test_mutex( boost::tasklets::scheduler<> & sched)
{
test_lock< boost::tasklets::mutex >()( sched);
}
void test_case1()
{
boost::tasklets::scheduler<> sched;
sched.submit_tasklet(
boost::tasklet(
& do_test_mutex, boost::ref( sched), boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
sched.run();
}
int value1 = 0;
int value2 = 0;
void test_fn1( boost::tasklets::mutex & mtx)
{
boost::tasklets::mutex::scoped_lock lk( mtx);
++value1;
for ( int i = 0; i < 3; ++i)
boost::this_tasklet::yield();
}
void test_fn2( boost::tasklets::mutex & mtx)
{
++value2;
boost::tasklets::mutex::scoped_lock lk( mtx);
++value2;
}
void test_case2()
{
boost::tasklets::scheduler<> sched;
boost::tasklets::mutex mtx;
sched.submit_tasklet(
boost::tasklet(
& test_fn1, boost::ref( mtx), boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
sched.submit_tasklet(
boost::tasklet(
& test_fn2, boost::ref( mtx), boost::tasklet::default_stacksize, boost::protected_stack_allocator()) );
BOOST_CHECK_EQUAL( 0, value1);
BOOST_CHECK_EQUAL( 0, value2);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 1, value1);
BOOST_CHECK_EQUAL( 0, value2);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 2), sched.size() );
BOOST_CHECK_EQUAL( 1, value1);
BOOST_CHECK_EQUAL( 1, value2);
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 1), sched.size() );
BOOST_CHECK_EQUAL( 1, value1);
BOOST_CHECK_EQUAL( 1, value2);
BOOST_CHECK( sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 0), sched.size() );
BOOST_CHECK_EQUAL( 1, value1);
BOOST_CHECK_EQUAL( 2, value2);
BOOST_CHECK( ! sched.run() );
BOOST_CHECK_EQUAL( std::size_t( 0), sched.size() );
BOOST_CHECK_EQUAL( 1, value1);
BOOST_CHECK_EQUAL( 2, value2);
}
boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
{
boost::unit_test_framework::test_suite * test =
BOOST_TEST_SUITE("Boost.Tasklet: mutex test suite");
test->add(BOOST_TEST_CASE(&test_case1));
test->add(BOOST_TEST_CASE(&test_case2));
return test;
}