priorityeventtest.cpp

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//
// PriorityEventTest.cpp
//
// $Id: //poco/1.3/Foundation/testsuite/src/PriorityEventTest.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
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// obtaining a copy of the software and accompanying documentation covered by
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// Software, and to permit third-parties to whom the Software is furnished to
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// 
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// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
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#include "PriorityEventTest.h"
#include "DummyDelegate.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/PriorityDelegate.h"
#include "Poco/PriorityExpire.h"
#include "Poco/Thread.h"
#include "Poco/Exception.h"


using namespace Poco;


#define LARGEINC 100


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


PriorityEventTest::~PriorityEventTest()
{
}

void PriorityEventTest::testNoDelegate()
{
	int tmp = 0;
	EventArgs args;

	assert (_count == 0);
	Simple.notify(this, tmp);
	assert (_count == 0);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 0);
	
	ConstSimple += PriorityDelegate<PriorityEventTest, const int>(this, &PriorityEventTest::onConstSimple, 0);
	ConstSimple -= PriorityDelegate<PriorityEventTest, const int>(this, &PriorityEventTest::onConstSimple, 0);
	ConstSimple.notify(this, tmp);
	assert (_count == 0);
	
	//Note: passing &args will not work due to &
	EventArgs* pArgs = &args;
	Complex += PriorityDelegate<PriorityEventTest, Poco::EventArgs*>(this, &PriorityEventTest::onComplex, 0);
	Complex -= PriorityDelegate<PriorityEventTest, Poco::EventArgs*>(this, &PriorityEventTest::onComplex, 0);
	Complex.notify(this, pArgs);
	assert (_count == 0);

	Complex2 += PriorityDelegate<PriorityEventTest, Poco::EventArgs>(this, &PriorityEventTest::onComplex2, 0);
	Complex2 -= PriorityDelegate<PriorityEventTest, Poco::EventArgs>(this, &PriorityEventTest::onComplex2, 0);
	Complex2.notify(this, args);
	assert (_count == 0);

	const EventArgs* pCArgs = &args;
	ConstComplex += PriorityDelegate<PriorityEventTest, const Poco::EventArgs*>(this, &PriorityEventTest::onConstComplex, 0);
	ConstComplex -= PriorityDelegate<PriorityEventTest, const Poco::EventArgs*>(this, &PriorityEventTest::onConstComplex, 0);
	ConstComplex.notify(this, pCArgs);
	assert (_count == 0);

	Const2Complex += PriorityDelegate<PriorityEventTest, const Poco::EventArgs* const>(this, &PriorityEventTest::onConst2Complex, 0);
	Const2Complex -= PriorityDelegate<PriorityEventTest, const Poco::EventArgs* const>(this, &PriorityEventTest::onConst2Complex, 0);
	Const2Complex.notify(this, pArgs);
	assert (_count == 0);
}

void PriorityEventTest::testSingleDelegate()
{
	int tmp = 0;
	EventArgs args;

	assert (_count == 0);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	// unregistering with a different priority --> different observer, is ignored
	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 3);
	Simple.notify(this, tmp);
	assert (_count == 1);
	
	ConstSimple += PriorityDelegate<PriorityEventTest, const int>(this, &PriorityEventTest::onConstSimple, 0);
	ConstSimple -= PriorityDelegate<PriorityEventTest, const int>(this, &PriorityEventTest::onConstSimple, 3);
	ConstSimple.notify(this, tmp);
	assert (_count == 2);
	
	EventArgs* pArgs = &args;
	Complex += PriorityDelegate<PriorityEventTest, Poco::EventArgs*>(this, &PriorityEventTest::onComplex, 0);
	Complex -= PriorityDelegate<PriorityEventTest, Poco::EventArgs*>(this, &PriorityEventTest::onComplex, 3);
	Complex.notify(this, pArgs);
	assert (_count == 3);

	Complex2 += PriorityDelegate<PriorityEventTest, Poco::EventArgs>(this, &PriorityEventTest::onComplex2, 0);
	Complex2 -= PriorityDelegate<PriorityEventTest, Poco::EventArgs>(this, &PriorityEventTest::onComplex2, 3);
	Complex2.notify(this, args);
	assert (_count == 4);

	const EventArgs* pCArgs = &args;
	ConstComplex += PriorityDelegate<PriorityEventTest, const Poco::EventArgs*>(this, &PriorityEventTest::onConstComplex, 0);
	ConstComplex -= PriorityDelegate<PriorityEventTest, const Poco::EventArgs*>(this, &PriorityEventTest::onConstComplex, 3);
	ConstComplex.notify(this, pCArgs);
	assert (_count == 5);

	Const2Complex += PriorityDelegate<PriorityEventTest, const Poco::EventArgs* const>(this, &PriorityEventTest::onConst2Complex, 0);
	Const2Complex -= PriorityDelegate<PriorityEventTest, const Poco::EventArgs* const>(this, &PriorityEventTest::onConst2Complex, 3);
	Const2Complex.notify(this, pArgs);
	assert (_count == 6);
	// check if 2nd notify also works
	Const2Complex.notify(this, pArgs);
	assert (_count == 7);
	
}

void PriorityEventTest::testDuplicateRegister()
{
	int tmp = 0;
	
	assert (_count == 0);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 1);
	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 1);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimpleOther, 1);
	Simple.notify(this, tmp);
	assert (_count == 2 + LARGEINC);
	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimpleOther, 1);
	Simple.notify(this, tmp);
	assert (_count == 3 + LARGEINC);
}

void PriorityEventTest::testDuplicateUnregister()
{
	// duplicate unregister shouldn't give an error,
	int tmp = 0;
	
	assert (_count == 0);

	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0); // should work
	Simple.notify(this, tmp);
	assert (_count == 0);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 1);

	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 1);

	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.notify(this, tmp);
	assert (_count == 1);
}


void PriorityEventTest::testDisabling()
{
	int tmp = 0;
	
	assert (_count == 0);

	Simple += PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.disable();
	Simple.notify(this, tmp);
	assert (_count == 0);
	Simple.enable();
	Simple.notify(this, tmp);
	assert (_count == 1);

	// unregister should also work with disabled event
	Simple.disable();
	Simple -= PriorityDelegate<PriorityEventTest, int>(this, &PriorityEventTest::onSimple, 0);
	Simple.enable();
	Simple.notify(this, tmp);
	assert (_count == 1);
}

void PriorityEventTest::testPriorityOrder()
{
	DummyDelegate o1;
	DummyDelegate o2;

	assert (_count == 0);

	Simple += PriorityDelegate<DummyDelegate, int>(&o2, &DummyDelegate::onSimple2, 1);
	Simple += PriorityDelegate<DummyDelegate, int>(&o1, &DummyDelegate::onSimple, 0);

	int tmp = 0;
	Simple.notify(this, tmp);
	assert (tmp == 2);

	Simple -= PriorityDelegate<DummyDelegate, int>(&o1, &DummyDelegate::onSimple, 0);
	Simple -= PriorityDelegate<DummyDelegate, int>(&o2, &DummyDelegate::onSimple2, 1);
	
	// now try with the wrong order
	Simple += PriorityDelegate<DummyDelegate, int>(&o2, &DummyDelegate::onSimple2, 0);
	Simple += PriorityDelegate<DummyDelegate, int>(&o1, &DummyDelegate::onSimple, 1);