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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
// Try to instantiate as many implementations as possible. Finds all
// implementations reachable via the service manager. If a given implementation
// is the only implementor of some service that has a zero-parameter
// constructor, instantiate the implementation through that service name. If a
// given implementation does not offer any such contructors (because it does not
// support any single-interface--based service, or because for each relevant
// service there are multiple implementations or it does not have an appropriate
// constructor) but does support at least one accumulation-based service, then
// instantiate it through its implementation name (a heuristic to identify
// instantiatable implementations that appears to work well).
#include <sal/config.h>
#include <algorithm>
#include <cassert>
#include <iostream>
#include <map>
#include <utility>
#include <vector>
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/reflection/XServiceConstructorDescription.hpp>
#include <com/sun/star/reflection/XServiceTypeDescription2.hpp>
#include <cppuhelper/exc_hlp.hxx>
#include <test/bootstrapfixture.hxx>
#include <vcl/svapp.hxx>
namespace {
OString msg(OUString const & string) {
return OUStringToOString(string, osl_getThreadTextEncoding());
}
class Test: public test::BootstrapFixture {
public:
void test();
CPPUNIT_TEST_SUITE(Test);
CPPUNIT_TEST(test);
CPPUNIT_TEST_SUITE_END();
private:
void createInstance(
OUString const & name, bool withArguments,
std::vector<css::uno::Reference<css::lang::XComponent>> * components);
};
void Test::test() {
// On Windows, blacklist the com.sun.star.comp.report.OReportDefinition
// implementation (reportdesign::OReportDefinition in
// reportdesign/source/core/api/ReportDefinition.cxx), as it spawns a thread
// that forever blocks in SendMessageW when no VCL event loop is running
// (reportdesign::<anon>::FactoryLoader::execute ->
// framework::Desktop::findFrame -> framework::TaskCreator::createTask ->
// <anon>::TaskCreatorService::createInstanceWithArguments ->
// <anon>::TaskCreatorService::impls_createContainerWindow ->
// <anon>::VCLXToolkit::createWindow ->
// <anon>::VCLXToolkit::ImplCreateWindow ->
// <anon>::VCLXToolkit::ImplCreateWindow -> WorkWindow::WorkWindow ->
// WorkWindow::ImplInit -> ImplBorderWindow::ImplBorderWindow ->
// ImplBorderWindow::ImplInit -> Window::ImplInit ->
// WinSalInstance::CreateFrame -> ImplSendMessage -> SendMessageW):
std::vector<OUString> blacklist;
blacklist.push_back("com.sun.star.comp.report.OReportDefinition");
//TODO: bug ID
blacklist.push_back("SwXMailMerge");
css::uno::Reference<css::container::XContentEnumerationAccess> enumAcc(
m_xContext->getServiceManager(), css::uno::UNO_QUERY_THROW);
css::uno::Reference<css::container::XHierarchicalNameAccess> typeMgr(
m_xContext->getValueByName(
"/singletons/com.sun.star.reflection.theTypeDescriptionManager"),
css::uno::UNO_QUERY_THROW);
css::uno::Sequence<OUString> serviceNames(
m_xContext->getServiceManager()->getAvailableServiceNames());
struct Constructor {
Constructor(
OUString const & theServiceName, bool theDefaultConstructor):
serviceName(theServiceName),
defaultConstructor(theDefaultConstructor)
{}
OUString serviceName;
bool defaultConstructor;
};
struct Implementation {
Implementation(css::uno::Reference<css::lang::XServiceInfo> theFactory):
factory(theFactory), accumulationBased(false) {}
css::uno::Reference<css::lang::XServiceInfo> factory;
std::vector<Constructor> constructors;
bool accumulationBased;
};
std::map<OUString, Implementation> impls;
for (sal_Int32 i = 0; i != serviceNames.getLength(); ++i) {
css::uno::Reference<css::container::XEnumeration> serviceImpls1(
enumAcc->createContentEnumeration(serviceNames[i]),
css::uno::UNO_SET_THROW);
std::vector<css::uno::Reference<css::lang::XServiceInfo>> serviceImpls2;
while (serviceImpls1->hasMoreElements()) {
serviceImpls2.push_back(
css::uno::Reference<css::lang::XServiceInfo>(
serviceImpls1->nextElement(), css::uno::UNO_QUERY_THROW));
}
css::uno::Reference<css::reflection::XServiceTypeDescription2> desc;
if (typeMgr->hasByHierarchicalName(serviceNames[i])) {
desc.set(
typeMgr->getByHierarchicalName(serviceNames[i]),
css::uno::UNO_QUERY_THROW);
}
if (serviceImpls2.empty()) {
if (desc.is()) {
CPPUNIT_ASSERT_MESSAGE(
(OString(
"no implementations of singlie-interface--based \""
+ msg(serviceNames[i]) + "\"")
.getStr()),
!desc->isSingleInterfaceBased());
std::cout
<< "accumulation-based service \"" << serviceNames[i]
<< "\" without implementations\n";
} else {
std::cout
<< "fantasy service name \"" << serviceNames[i]
<< "\" without implementations\n";
}
} else {
for (auto const & j: serviceImpls2) {
OUString name(j->getImplementationName());
auto k = impls.find(name);
if (k == impls.end()) {
k = impls.insert(std::make_pair(name, Implementation(j)))
.first;
} else {
CPPUNIT_ASSERT_MESSAGE(
(OString(
"multiple implementations named \"" + msg(name)
+ "\"")
.getStr()),
j == k->second.factory);
}
if (desc.is()) {
if (desc->isSingleInterfaceBased()) {
if (serviceImpls2.size() == 1) {
css::uno::Sequence<
css::uno::Reference<
css::reflection::XServiceConstructorDescription>>
ctors(desc->getConstructors());
for (sal_Int32 l = 0; l != ctors.getLength(); ++l) {
if (!ctors[l]->getParameters().hasElements()) {
k->second.constructors.push_back(
Constructor(
serviceNames[i],
ctors[l]->isDefaultConstructor()));
break;
}
}
}
} else {
k->second.accumulationBased = true;
}
} else {
std::cout
<< "implementation \"" << name
<< "\" supports fantasy service name \""
<< serviceNames[i] << "\"\n";
}
}
}
}
std::vector<css::uno::Reference<css::lang::XComponent>> comps;
for (auto const & i: impls) {
if (std::find(blacklist.begin(), blacklist.end(), i.first)
== blacklist.end())
{
if (i.second.constructors.empty()) {
if (i.second.accumulationBased) {
createInstance(i.first, false, &comps);
} else {
std::cout
<< "no obvious way to instantiate implementation \""
<< i.first << "\"\n";
}
} else {
for (auto const & j: i.second.constructors) {
createInstance(
j.serviceName, !j.defaultConstructor, &comps);
}
}
}
}
SolarMutexReleaser rel;
for (auto const & i: comps) {
i->dispose();
}
}
void Test::createInstance(
OUString const & name, bool withArguments,
std::vector<css::uno::Reference<css::lang::XComponent>> * components)
{
assert(components != nullptr);
css::uno::Reference<css::uno::XInterface> inst;
try {
if (withArguments) {
inst = m_xContext->getServiceManager()
->createInstanceWithArgumentsAndContext(
name, css::uno::Sequence<css::uno::Any>(), m_xContext);
} else {
inst = m_xContext->getServiceManager()->createInstanceWithContext(
name, m_xContext);
}
} catch (css::uno::Exception & e) {
css::uno::Any a(cppu::getCaughtException());
CPPUNIT_FAIL(
OString(
"creating \"" + msg(name) + "\" caused "
+ msg(a.getValueTypeName()) + " \"" + msg(e.Message) + "\"")
.getStr());
}
CPPUNIT_ASSERT_MESSAGE(
(OString("creating \"" + msg(name) + "\" returned null reference")
.getStr()),
inst.is());
css::uno::Reference<css::lang::XComponent> comp(inst, css::uno::UNO_QUERY);
if (comp.is()) {
components->push_back(comp);
}
}
CPPUNIT_TEST_SUITE_REGISTRATION(Test);
}
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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