threadlocaltest.cpp

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//
// ThreadLocalTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/ThreadLocalTest.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 "ThreadLocalTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/ThreadLocal.h"
#include "Foundation/Thread.h"
#include "Foundation/Runnable.h"


using Foundation::ThreadLocal;
using Foundation::Thread;
using Foundation::Runnable;


class TLTestRunnable: public Runnable
{
public:
	TLTestRunnable(int n): _n(n)
	{
	}

	void run()
	{
		*_count = 0;
		for (int i = 0; i < _n; ++i)
			++(*_count);
		_result = *_count;
	}
	
	int result()
	{
		return _result;
	}
	
private:
	int _n;
	int _result;
	static ThreadLocal<int> _count;
};


struct TLTestStruct
{
	int i;
	std::string s;
};


ThreadLocal<int> TLTestRunnable::_count;


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


ThreadLocalTest::~ThreadLocalTest()
{
}


void ThreadLocalTest::testLocality()
{
	TLTestRunnable r1(5000);
	TLTestRunnable r2(7500);
	TLTestRunnable r3(6000);
	Thread t1;
	Thread t2;
	Thread t3;
	t1.start(r1);
	t2.start(r2);
	t3.start(r3);
	t1.join();
	t2.join();
	t3.join();
	
	assert (r1.result() == 5000);
	assert (r2.result() == 7500);
	assert (r3.result() == 6000);
}


void ThreadLocalTest::testAccessors()
{
	ThreadLocal<TLTestStruct> ts;
	ts->i = 100;
	ts->s = "foo";
	assert ((*ts).i == 100);
	assert ((*ts).s == "foo");
	assert (ts.get().i == 100);
	assert (ts.get().s == "foo");
}


void ThreadLocalTest::setUp()
{
}


void ThreadLocalTest::tearDown()
{
}


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

	CppUnit_addTest(pSuite, ThreadLocalTest, testLocality);
	CppUnit_addTest(pSuite, ThreadLocalTest, testAccessors);

	return pSuite;
}