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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/broker/Timer.h"
#include "qpid/sys/Monitor.h"
#include "qpid_test_plugin.h"
#include <math.h>
#include <iostream>
#include <memory>
#include <boost/format.hpp>
using namespace qpid::broker;
using namespace qpid::sys;
using boost::dynamic_pointer_cast;
class TimerTest : public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE(TimerTest);
CPPUNIT_TEST(testGeneral);
CPPUNIT_TEST_SUITE_END();
class Counter
{
Mutex lock;
uint counter;
public:
Counter() : counter(0) {}
uint next()
{
Mutex::ScopedLock l(lock);
return ++counter;
}
};
class TestTask : public TimerTask
{
const AbsTime start;
const Duration expected;
AbsTime end;
bool fired;
uint position;
Monitor monitor;
Counter& counter;
public:
TestTask(Duration timeout, Counter& _counter)
: TimerTask(timeout), start(now()), expected(timeout), end(start), fired(false), counter(_counter) {}
void fire()
{
Monitor::ScopedLock l(monitor);
fired = true;
position = counter.next();
end = now();
monitor.notify();
}
void check(uint expected_position, uint64_t tolerance = 500 * TIME_MSEC)
{
Monitor::ScopedLock l(monitor);
CPPUNIT_ASSERT(fired);
CPPUNIT_ASSERT_EQUAL(expected_position, position);
Duration actual(start, end);
uint64_t difference = abs(expected - actual);
std::string msg(boost::lexical_cast<std::string>(boost::format("tolerance = %1%, difference = %2%") % tolerance % difference));
CPPUNIT_ASSERT_MESSAGE(msg, difference < tolerance);
}
void wait(Duration d)
{
Monitor::ScopedLock l(monitor);
monitor.wait(AbsTime(now(), d));
}
};
class DummyRunner : public Runnable
{
public:
void run() {}
};
public:
void testGeneral()
{
Counter counter;
Timer timer;
TestTask::shared_ptr task1(new TestTask(Duration(3 * TIME_SEC), counter));
TestTask::shared_ptr task2(new TestTask(Duration(1 * TIME_SEC), counter));
TestTask::shared_ptr task3(new TestTask(Duration(4 * TIME_SEC), counter));
TestTask::shared_ptr task4(new TestTask(Duration(2 * TIME_SEC), counter));
timer.add(task1);
timer.add(task2);
timer.add(task3);
timer.add(task4);
dynamic_pointer_cast<TestTask>(task3)->wait(Duration(6 * TIME_SEC));
dynamic_pointer_cast<TestTask>(task1)->check(3);
dynamic_pointer_cast<TestTask>(task2)->check(1);
dynamic_pointer_cast<TestTask>(task3)->check(4);
dynamic_pointer_cast<TestTask>(task4)->check(2);
}
};
// Make this test suite a plugin.
CPPUNIT_PLUGIN_IMPLEMENT();
CPPUNIT_TEST_SUITE_REGISTRATION(TimerTest);
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