/labo/2009.08.17/poco-1.3.5-mingw/Foundation/testsuite/src/ExpireCacheTest.cpp

//

// ExpireCacheTest.cpp

//

// $Id: //poco/1.3/Foundation/testsuite/src/ExpireCacheTest.cpp#2 $

//

// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.

// and Contributors.

//

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#include "ExpireCacheTest.h"

#include "CppUnit/TestCaller.h"

#include "CppUnit/TestSuite.h"

#include "Poco/Exception.h"

#include "Poco/ExpireCache.h"

#include "Poco/AccessExpireCache.h"

#include "Poco/Bugcheck.h"

#include "Poco/Thread.h"





using namespace Poco;





#define DURSLEEP 250

#define DURHALFSLEEP DURSLEEP / 2

#define DURWAIT  300





ExpireCacheTest::ExpireCacheTest(const std::string& name): CppUnit::TestCase(name)

{

}





ExpireCacheTest::~ExpireCacheTest()

{

}





void ExpireCacheTest::testClear()

{

	ExpireCache<int, int> aCache(DURSLEEP);

	aCache.add(1, 2);

	aCache.add(3, 4);

	aCache.add(5, 6);

	assert (aCache.has(1));

	assert (aCache.has(3));

	assert (aCache.has(5));

	assert (*aCache.get(1) == 2);

	assert (*aCache.get(3) == 4);

	assert (*aCache.get(5) == 6);

	aCache.clear();

	assert (!aCache.has(1));

	assert (!aCache.has(3));

	assert (!aCache.has(5));

}





void ExpireCacheTest::testExpire0()

{

	try

	{

		ExpireCache<int, int> aCache(24);

		failmsg("cache expire lower than 25 is illegal, test should fail");

	}

	catch (Poco::InvalidArgumentException&)

	{

	}

}





void ExpireCacheTest::testExpireN()

{

	// 3-1 represents the cache sorted by age, elements get replaced at the end of the list

	// 3-1|5 -> 5 gets removed

	ExpireCache<int, int> aCache(DURSLEEP);

	aCache.add(1, 2); // 1

	assert (aCache.has(1));

	SharedPtr<int> tmp = aCache.get(1);

	assert (!tmp.isNull());

	assert (*tmp == 2);

	assert (aCache.size() == 1);

	Thread::sleep(DURWAIT);

	assert (aCache.size() == 0);

	assert (!aCache.has(1));



	// tmp must still be valid, access it

	assert (*tmp == 2);

	tmp = aCache.get(1);

	assert (!tmp);



	aCache.add(1, 2); // 1

	Thread::sleep(DURHALFSLEEP);

	aCache.add(3, 4); // 3-1

	assert (aCache.has(1));

	assert (aCache.has(3));

	tmp = aCache.get(1);

	SharedPtr<int> tmp2 = aCache.get(3);

	assert (*tmp == 2); 

	assert (*tmp2 == 4);



	Thread::sleep(DURHALFSLEEP+25); //3|1

	assert (!aCache.has(1));

	assert (aCache.has(3));

	assert (*tmp == 2); // 1-3

	assert (*tmp2 == 4); // 3-1

	tmp2 = aCache.get(3);

	assert (*tmp2 == 4);

	Thread::sleep(DURHALFSLEEP+25); //3|1

	assert (!aCache.has(3));

	assert (*tmp2 == 4);

	tmp = aCache.get(1);

	tmp2 = aCache.get(3);

	assert (!tmp);

	assert (!tmp2);



	// removing illegal entries should work too

	aCache.remove(666);



	aCache.clear();

	assert (!aCache.has(5));

	assert (!aCache.has(3));

}





void ExpireCacheTest::testDuplicateAdd()

{

	ExpireCache<int, int> aCache(DURSLEEP);

	aCache.add(1, 2); // 1

	assert (aCache.has(1));

	assert (*aCache.get(1) == 2);

	aCache.add(1, 3);

	assert (aCache.has(1));

	assert (*aCache.get(1) == 3);

}







void ExpireCacheTest::testAccessExpireN()

{

	// 3-1 represents the cache sorted by age, elements get replaced at the end of the list

	// 3-1|5 -> 5 gets removed

	AccessExpireCache<int, int> aCache(DURSLEEP);

	aCache.add(1, 2); // 1

	assert (aCache.has(1));

	SharedPtr<int> tmp = aCache.get(1);

	assert (!tmp.isNull());

	assert (*tmp == 2);

	assert (aCache.size() == 1);

	Thread::sleep(DURWAIT);

	assert (aCache.size() == 0);

	assert (!aCache.has(1));



	// tmp must still be valid, access it

	assert (*tmp == 2);

	tmp = aCache.get(1);

	assert (!tmp);



	aCache.add(1, 2); // 1

	Thread::sleep(DURHALFSLEEP);

	aCache.add(3, 4); // 3-1

	assert (aCache.has(1));

	assert (aCache.has(3));



	Thread::sleep(DURHALFSLEEP+50); //3|1

	assert (!aCache.has(1));

	assert (*aCache.get(3) == 4);

	Thread::sleep(DURHALFSLEEP+25); //3|1

	assert (*aCache.get(3) == 4);

	// removing illegal entries should work too

	aCache.remove(666);



	aCache.clear();

	assert (!aCache.has(5));

	assert (!aCache.has(3));

}





void ExpireCacheTest::testExpireWithHas()

{

	// 3-1 represents the cache sorted by age, elements get replaced at the end of the list

	// 3-1|5 -> 5 gets removed

	ExpireCache<int, int> aCache(DURSLEEP);

	aCache.add(1, 2); // 1

	assert (aCache.has(1));

	Thread::sleep(DURWAIT);

	assert (!aCache.has(1));

}





void ExpireCacheTest::setUp()

{

}





void ExpireCacheTest::tearDown()

{

}





CppUnit::Test* ExpireCacheTest::suite()

{

	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("ExpireCacheTest");



	CppUnit_addTest(pSuite, ExpireCacheTest, testClear);

	CppUnit_addTest(pSuite, ExpireCacheTest, testExpire0);

	CppUnit_addTest(pSuite, ExpireCacheTest, testExpireN);

	CppUnit_addTest(pSuite, ExpireCacheTest, testDuplicateAdd);

	CppUnit_addTest(pSuite, ExpireCacheTest, testAccessExpireN);

	CppUnit_addTest(pSuite, ExpireCacheTest, testExpireWithHas);



	return pSuite;

}