threadtest.cpp

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//
// ThreadTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/ThreadTest.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
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//


#include "ThreadTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/Thread.h"
#include "Foundation/Runnable.h"
#include "Foundation/Event.h"


using Foundation::Thread;
using Foundation::Runnable;
using Foundation::Event;


class MyRunnable: public Runnable
{
public:
	MyRunnable(): _ran(false)
	{
	}
	
	void run()
	{
		Thread* pThread = Thread::current();
		if (pThread)
			_threadName = pThread->name();
		_ran = true;
		_event.wait();
	}
	
	bool ran() const
	{
		return _ran;
	}
	
	const std::string& threadName() const
	{
		return _threadName;
	}
	
	void notify()
	{
		_event.set();
	}
	
private:
	bool _ran;
	std::string _threadName;
	Event _event;
};


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


ThreadTest::~ThreadTest()
{
}


void ThreadTest::testThread()
{
	Thread thread;
	MyRunnable r;
	assert (!thread.isRunning());
	thread.start(r);
	Thread::sleep(200);
	assert (thread.isRunning());
	r.notify();
	thread.join();
	assert (!thread.isRunning());
	assert (r.ran());
	assert (!r.threadName().empty());
}


void ThreadTest::testNamedThread()
{
	Thread thread("MyThread");
	MyRunnable r;
	thread.start(r);
	r.notify();
	thread.join();
	assert (r.ran());
	assert (r.threadName() == "MyThread");
}


void ThreadTest::testCurrent()
{
	assertNullPtr (Thread::current());
}


void ThreadTest::testThreads()
{
	Thread thread1("Thread1");
	Thread thread2("Thread2");
	Thread thread3("Thread3");
	Thread thread4("Thread4");

	MyRunnable r1;
	MyRunnable r2;
	MyRunnable r3;
	MyRunnable r4;
	assert (!thread1.isRunning());
	assert (!thread2.isRunning());
	assert (!thread3.isRunning());
	assert (!thread4.isRunning());
	thread1.start(r1);
	Thread::sleep(200);
	assert (thread1.isRunning());
	assert (!thread2.isRunning());
	assert (!thread3.isRunning());
	assert (!thread4.isRunning());
	thread2.start(r2);
	thread3.start(r3);
	thread4.start(r4);
	Thread::sleep(200);
	assert (thread1.isRunning());
	assert (thread2.isRunning());
	assert (thread3.isRunning());
	assert (thread4.isRunning());
	r4.notify();
	thread4.join();
	assert (!thread4.isRunning());
	assert (thread1.isRunning());
	assert (thread2.isRunning());
	assert (thread3.isRunning());
	r3.notify();
	thread3.join();
	assert (!thread3.isRunning());
	r2.notify();
	thread2.join();
	assert (!thread2.isRunning());
	r1.notify();
	thread1.join();
	assert (!thread1.isRunning());
	assert (r1.ran());
	assert (r1.threadName() == "Thread1");
	assert (r2.ran());
	assert (r2.threadName() == "Thread2");
	assert (r3.ran());
	assert (r3.threadName() == "Thread3");
	assert (r4.ran());
	assert (r4.threadName() == "Thread4");
}


void ThreadTest::setUp()
{
}


void ThreadTest::tearDown()
{
}


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

	CppUnit_addTest(pSuite, ThreadTest, testThread);
	CppUnit_addTest(pSuite, ThreadTest, testNamedThread);
	CppUnit_addTest(pSuite, ThreadTest, testCurrent);
	CppUnit_addTest(pSuite, ThreadTest, testThreads);

	return pSuite;
}