poco/Foundation/testsuite/src/ClassLoaderTest.cpp
2007-02-23 14:27:57 +00:00

235 lines
5.8 KiB
C++

//
// ClassLoaderTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/ClassLoaderTest.cpp#16 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// 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
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "ClassLoaderTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/ClassLoader.h"
#include "Poco/Manifest.h"
#include "Poco/Exception.h"
#include "TestPlugin.h"
using Poco::ClassLoader;
using Poco::Manifest;
using Poco::SharedLibrary;
using Poco::AbstractMetaObject;
using Poco::NotFoundException;
using Poco::InvalidAccessException;
ClassLoaderTest::ClassLoaderTest(const std::string& name): CppUnit::TestCase(name)
{
}
ClassLoaderTest::~ClassLoaderTest()
{
}
void ClassLoaderTest::testClassLoader1()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
assert (cl.begin() == cl.end());
assertNullPtr (cl.findClass("PluginA"));
assertNullPtr (cl.findManifest(path));
assert (!cl.isLibraryLoaded(path));
try
{
const ClassLoader<TestPlugin>::Meta& meta = cl.classFor("PluginA");
fail("not found - must throw exception");
}
catch (NotFoundException&)
{
}
catch (...)
{
failmsg("wrong exception");
}
try
{
const ClassLoader<TestPlugin>::Manif& manif = cl.manifestFor(path);
fail("not found - must throw exception");
}
catch (NotFoundException&)
{
}
catch (...)
{
failmsg("wrong exception");
}
}
void ClassLoaderTest::testClassLoader2()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
cl.loadLibrary(path);
assert (cl.begin() != cl.end());
assertNotNullPtr (cl.findClass("PluginA"));
assertNotNullPtr (cl.findClass("PluginB"));
assertNotNullPtr (cl.findClass("PluginC"));
assertNotNullPtr (cl.findManifest(path));
assert (cl.isLibraryLoaded(path));
assert (cl.manifestFor(path).size() == 3);
ClassLoader<TestPlugin>::Iterator it = cl.begin();
assert (it != cl.end());
assert (it->first == path);
assert (it->second->size() == 3);
++it;
assert (it == cl.end());
TestPlugin* pPluginA = cl.classFor("PluginA").create();
assert (pPluginA->name() == "PluginA");
assert (!cl.classFor("PluginA").isAutoDelete(pPluginA));
delete pPluginA;
TestPlugin* pPluginB = cl.classFor("PluginB").create();
assert (pPluginB->name() == "PluginB");
delete pPluginB;
pPluginB = cl.create("PluginB");
assert (pPluginB->name() == "PluginB");
delete pPluginB;
assert (cl.canCreate("PluginA"));
assert (cl.canCreate("PluginB"));
assert (!cl.canCreate("PluginC"));
TestPlugin& pluginC = cl.instance("PluginC");
assert (pluginC.name() == "PluginC");
try
{
TestPlugin& plgB = cl.instance("PluginB");
fail("not a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
try
{
TestPlugin* pPluginC = cl.create("PluginC");
fail("cannot create a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
try
{
const AbstractMetaObject<TestPlugin>& meta = cl.classFor("PluginC");
meta.autoDelete(&(meta.instance()));
fail("cannot take ownership of a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
const AbstractMetaObject<TestPlugin>& meta1 = cl.classFor("PluginC");
assert (meta1.isAutoDelete(&(meta1.instance())));
// the following must not produce memory leaks
const AbstractMetaObject<TestPlugin>& meta2 = cl.classFor("PluginA");
meta2.autoDelete(meta2.create());
meta2.autoDelete(meta2.create());
TestPlugin* pPlugin = meta2.create();
meta2.autoDelete(pPlugin);
assert (meta2.isAutoDelete(pPlugin));
meta2.destroy(pPlugin);
assert (!meta2.isAutoDelete(pPlugin));
cl.unloadLibrary(path);
}
void ClassLoaderTest::testClassLoader3()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
cl.loadLibrary(path);
cl.loadLibrary(path);
cl.unloadLibrary(path);
assert (cl.manifestFor(path).size() == 3);
ClassLoader<TestPlugin>::Iterator it = cl.begin();
assert (it != cl.end());
assert (it->first == path);
assert (it->second->size() == 3);
++it;
assert (it == cl.end());
cl.unloadLibrary(path);
assertNullPtr (cl.findManifest(path));
}
void ClassLoaderTest::setUp()
{
}
void ClassLoaderTest::tearDown()
{
}
CppUnit::Test* ClassLoaderTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("ClassLoaderTest");
CppUnit_addTest(pSuite, ClassLoaderTest, testClassLoader1);
CppUnit_addTest(pSuite, ClassLoaderTest, testClassLoader2);
CppUnit_addTest(pSuite, ClassLoaderTest, testClassLoader3);
return pSuite;
}