office-gobmx/framework/qa/cppunit/services.cxx
Noel Grandin 25a648541a fix leak in CppunitTest_framework_services
Change-Id: I522e3e9b57668d7a8d1df10f4520045a3a3553dc
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116524
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-06-01 12:57:37 +02:00

133 lines
4.5 KiB
C++

/* -*- 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/.
*/
#include <test/bootstrapfixture.hxx>
#include <unotest/macros_test.hxx>
#include <com/sun/star/frame/Desktop.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <com/sun/star/frame/XComponentLoader.hpp>
#include <com/sun/star/frame/FrameSearchFlag.hpp>
#include <comphelper/propertyvalue.hxx>
#include <salhelper/thread.hxx>
#include <vcl/svapp.hxx>
#include <vcl/scheduler.hxx>
#include <vcl/wrkwin.hxx>
using namespace ::com::sun::star;
namespace
{
/// Covers framework/source/services/ fixes.
class Test : public test::BootstrapFixture, public unotest::MacrosTest
{
protected:
uno::Reference<lang::XComponent> mxComponent;
public:
void setUp() override;
void tearDown() override;
uno::Reference<lang::XComponent>& getComponent() { return mxComponent; }
};
void Test::setUp()
{
test::BootstrapFixture::setUp();
mxDesktop.set(frame::Desktop::create(mxComponentContext));
}
void Test::tearDown()
{
if (mxComponent.is())
mxComponent->dispose();
test::BootstrapFixture::tearDown();
}
/// Invokes XFrameImpl::loadComponentFromURL() on a thread.
class TestThread : public salhelper::Thread
{
uno::Reference<frame::XComponentLoader> mxComponentLoader;
uno::Reference<lang::XComponent>& mrComponent;
public:
TestThread(const uno::Reference<frame::XComponentLoader>& xComponentLoader,
uno::Reference<lang::XComponent>& rComponent);
void execute() override;
};
TestThread::TestThread(const uno::Reference<frame::XComponentLoader>& xComponentLoader,
uno::Reference<lang::XComponent>& rComponent)
: salhelper::Thread("TestThread")
, mxComponentLoader(xComponentLoader)
, mrComponent(rComponent)
{
}
void TestThread::execute()
{
sal_Int32 nSearchFlags = frame::FrameSearchFlag::AUTO;
uno::Sequence<beans::PropertyValue> aArguments = {
comphelper::makePropertyValue("OnMainThread", true),
};
// Note how this is invoking loadComponentFromURL() on a frame, not on the desktop, as usual.
mrComponent = mxComponentLoader->loadComponentFromURL("private:factory/swriter", "_self",
nSearchFlags, aArguments);
}
CPPUNIT_TEST_FIXTURE(Test, testLoadComponentFromURL)
{
// Without the accompanying fix in place, this test would have failed with:
// thread 1: comphelper::SolarMutex::doRelease end: m_nCount is 1
// thread 2: vcl::SolarThreadExecutor::execute: before SolarMutexReleaser ctor
// thread 2: comphelper::SolarMutex::doRelease start: m_nCount is 1, bUnlockAll is 1
// thread 2: comphelper::SolarMutex::doRelease: failed IsCurrentThread() check, will abort
// Notice how thread 2 attempts to release the solar mutex while thread 1 holds it.
// Create a default window, so by the time the thread would post a user event, it doesn't need
// the solar mutex to process a SendMessageW() call on Windows.
ScopedVclPtrInstance<WorkWindow> xWindow(nullptr, WB_APP | WB_STDWORK);
// Variable is not used, it holds the default window.
(void)xWindow;
rtl::Reference<TestThread> xThread;
{
// Start the thread that will load the component, but hold the solar mutex for now, so we
// can see if it blocks.
SolarMutexGuard guard;
uno::Reference<frame::XFrame> xFrame = mxDesktop->findFrame("_blank", /*nSearchFlags=*/0);
uno::Reference<frame::XComponentLoader> xComponentLoader(xFrame, uno::UNO_QUERY);
xThread = new TestThread(xComponentLoader, getComponent());
xThread->launch();
// If loadComponentFromURL() doesn't lock the solar mutex, the test will abort here.
osl::Thread::wait(std::chrono::seconds(1));
}
{
// Now release the solar mutex, so the thread can post the task on the main loop.
SolarMutexReleaser releaser;
osl::Thread::wait(std::chrono::seconds(1));
}
{
// Spin the main loop.
SolarMutexGuard guard;
Scheduler::ProcessEventsToIdle();
}
{
// Stop the thread.
SolarMutexReleaser releaser;
xThread->join();
}
}
}
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */