sharedlibrarytest.cpp

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//
// SharedLibraryTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/SharedLibraryTest.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 "SharedLibraryTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/SharedLibrary.h"
#include "Foundation/Exception.h"


using Foundation::SharedLibrary;
using Foundation::NotFoundException;
using Foundation::LibraryLoadException;
using Foundation::LibraryAlreadyLoadedException;


typedef int (*GimmeFiveFunc)();


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


SharedLibraryTest::~SharedLibraryTest()
{
}


void SharedLibraryTest::testSharedLibrary1()
{
	std::string path = "TestLibrary";
	path.append(SharedLibrary::suffix());
	SharedLibrary sl;
	assert (!sl.isLoaded());
	sl.load(path);
	assert (sl.getPath() == path);
	assert (sl.isLoaded());
	assert (sl.hasSymbol("pocoBuildManifest"));
	assert (sl.hasSymbol("pocoInitializeLibrary"));
	assert (sl.hasSymbol("pocoUninitializeLibrary"));
	assert (sl.hasSymbol("gimmeFive"));
	assert (!sl.hasSymbol("fooBar123"));
	
	void* p1 = sl.getSymbol("pocoBuildManifest");
	assertNotNullPtr(p1);
	try
	{
		p1 = sl.getSymbol("fooBar123");
		failmsg("no such symbol - must throw exception");
	}
	catch (NotFoundException&)
	{
	}
	catch (...)
	{
		failmsg("wrong exception");
	}
	sl.unload();
	assert (!sl.isLoaded());
}


void SharedLibraryTest::testSharedLibrary2()
{
	std::string path = "TestLibrary";
	path.append(SharedLibrary::suffix());
	SharedLibrary sl(path);
	assert (sl.getPath() == path);
	assert (sl.isLoaded());

	GimmeFiveFunc gimmeFive = (GimmeFiveFunc) sl.getSymbol("gimmeFive");
	assert (gimmeFive() == 5);
	
	sl.unload();
	assert (!sl.isLoaded());
}


void SharedLibraryTest::testSharedLibrary3()
{
	std::string path = "NonexistentLibrary";
	path.append(SharedLibrary::suffix());
	SharedLibrary sl;
	try
	{
		sl.load(path);
		failmsg("no such library - must throw exception");
	}
	catch (LibraryLoadException&)
	{
	}
	catch (...)
	{
		failmsg("wrong exception");
	}
	assert (!sl.isLoaded());

	path = "TestLibrary";
	path.append(SharedLibrary::suffix());
	sl.load(path);
	assert (sl.isLoaded());
	
	try
	{
		sl.load(path);
		failmsg("library already loaded - must throw exception");
	}
	catch (LibraryAlreadyLoadedException&)
	{
	}
	catch (...)
	{
		failmsg("wrong exception");
	}
	assert (sl.isLoaded());

	sl.unload();
	assert (!sl.isLoaded());
}


void SharedLibraryTest::setUp()
{
}


void SharedLibraryTest::tearDown()
{
}


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

	CppUnit_addTest(pSuite, SharedLibraryTest, testSharedLibrary1);
	CppUnit_addTest(pSuite, SharedLibraryTest, testSharedLibrary2);
	CppUnit_addTest(pSuite, SharedLibraryTest, testSharedLibrary3);

	return pSuite;
}