notificationqueuetest.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// NotificationQueueTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/NotificationQueueTest.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//


#include "NotificationQueueTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/NotificationQueue.h"
#include "Foundation/Notification.h"
#include "Foundation/Thread.h"
#include "Foundation/Runnable.h"
#include "Foundation/RunnableAdapter.h"


using Foundation::NotificationQueue;
using Foundation::Notification;
using Foundation::Thread;
using Foundation::RunnableAdapter;


class QTestNotification: public Notification
{
public:
	QTestNotification(const std::string& data): _data(data)
	{
	}
	~QTestNotification()
	{
	}
	const std::string& data() const
	{
		return _data;
	}

private:
	std::string _data;
};


NotificationQueueTest::NotificationQueueTest(const std::string& name): CppUnit::TestCase(name)
{
}


NotificationQueueTest::~NotificationQueueTest()
{
}


void NotificationQueueTest::testQueueDequeue()
{
	NotificationQueue queue;
	assert (queue.empty());
	assert (queue.size() == 0);
	Notification* pNf = queue.dequeueNotification();
	assertNullPtr(pNf);
	queue.enqueueNotification(new Notification);
	assert (!queue.empty());
	assert (queue.size() == 1);
	pNf = queue.dequeueNotification();
	assertNotNullPtr(pNf);
	assert (queue.empty());
	assert (queue.size() == 0);
	pNf->release();
	
	queue.enqueueNotification(new QTestNotification("first"));
	queue.enqueueNotification(new QTestNotification("second"));
	assert (!queue.empty());
	assert (queue.size() == 2);
	QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
	assertNotNullPtr(pTNf);
	assert (pTNf->data() == "first");
	pTNf->release();
	assert (!queue.empty());
	assert (queue.size() == 1);
	pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
	assertNotNullPtr(pTNf);
	assert (pTNf->data() == "second");
	pTNf->release();
	assert (queue.empty());
	assert (queue.size() == 0);

	pNf = queue.dequeueNotification();
	assertNullPtr(pNf);
}


void NotificationQueueTest::testWaitDequeue()
{
	NotificationQueue queue;
	queue.enqueueNotification(new QTestNotification("third"));
	queue.enqueueNotification(new QTestNotification("fourth"));
	assert (!queue.empty());
	assert (queue.size() == 2);
	QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(10));
	assertNotNullPtr(pTNf);
	assert (pTNf->data() == "third");
	pTNf->release();
	assert (!queue.empty());
	assert (queue.size() == 1);
	pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(10));
	assertNotNullPtr(pTNf);
	assert (pTNf->data() == "fourth");
	pTNf->release();
	assert (queue.empty());
	assert (queue.size() == 0);

	Notification* pNf = queue.waitDequeueNotification(10);
	assertNullPtr(pNf);
}


void NotificationQueueTest::testThreads()
{
	Thread t1("thread1");
	Thread t2("thread2");
	Thread t3("thread3");
	
	RunnableAdapter<NotificationQueueTest> ra(*this, &NotificationQueueTest::work);
	t1.start(ra);
	t2.start(ra);
	t3.start(ra);
	for (int i = 0; i < 5000; ++i)
	{
		_queue.enqueueNotification(new Notification);
	}
	while (!_queue.empty()) Thread::sleep(50);
	Thread::sleep(20);
	_queue.wakeUpAll();
	t1.join();
	t2.join();
	t3.join();
	assert (_handled.size() == 5000);
	assert (_handled.count("thread1") > 50);
	assert (_handled.count("thread2") > 50);
	assert (_handled.count("thread3") > 10);
}


void NotificationQueueTest::testDefaultQueue()
{
	NotificationQueue& queue = NotificationQueue::defaultQueue();
	assert (queue.empty());
	assert (queue.size() == 0);
}


void NotificationQueueTest::setUp()
{
	_handled.clear();
}


void NotificationQueueTest::tearDown()
{
}


void NotificationQueueTest::work()
{
	Thread::sleep(50);
	Notification* pNf = _queue.waitDequeueNotification();
	while (pNf)
	{
		pNf->release();
		_mutex.lock();
		_handled.insert(Thread::current()->name());
		_mutex.unlock();
		Thread::yield();
		pNf = _queue.waitDequeueNotification();
	}
}


CppUnit::Test* NotificationQueueTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("NotificationQueueTest");

	CppUnit_addTest(pSuite, NotificationQueueTest, testQueueDequeue);
	CppUnit_addTest(pSuite, NotificationQueueTest, testWaitDequeue);
	CppUnit_addTest(pSuite, NotificationQueueTest, testThreads);
	CppUnit_addTest(pSuite, NotificationQueueTest, testDefaultQueue);

	return pSuite;
}