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#include "QueueTests.h"
#include <QtCore/QChar>
#include <QtCore/QObject>
#include <QtCore/QThread>
#include <QtCore/QDebug>
#include <QtTest/QtTest>
#include "AppendCharacterJob.h"
#include <Job.h>
#include <State.h>
#include <QueuePolicy.h>
#include <JobSequence.h>
#include <JobCollection.h>
#include <DebuggingAids.h>
#include <WeaverObserver.h>
#include <DependencyPolicy.h>
#include <ResourceRestrictionPolicy.h>
#include <ThreadWeaver.h>
#include <Thread.h>
// always. ahm. no. never. never show your private parts in public.
#ifdef THREADWEAVER_PRIVATE_API
#error "PARTS OF THREADWEAVER'S PRIVATE API ARE INCLUDED IN PUBLIC HEADERS!"
#endif
QMutex s_GlobalMutex;
LowPriorityAppendCharacterJob::LowPriorityAppendCharacterJob (QChar c, QString* stringref, QObject* parent)
: AppendCharacterJob (c, stringref, parent)
{}
int LowPriorityAppendCharacterJob ::priority() const
{
return -1;
}
HighPriorityAppendCharacterJob::HighPriorityAppendCharacterJob (QChar c, QString* stringref,
QObject* parent)
: AppendCharacterJob (c, stringref, parent)
{}
int HighPriorityAppendCharacterJob::priority() const
{
return 1;
}
SecondThreadThatQueues::SecondThreadThatQueues()
: QThread()
{
}
void SecondThreadThatQueues::run ()
{
QString sequence;
AppendCharacterJob a( 'a', &sequence );
ThreadWeaver::Weaver::instance()->enqueue ( &a );
ThreadWeaver::Weaver::instance()->finish();
QCOMPARE( sequence, QString("a" ) );
}
QueueTests::QueueTests( QObject* parent )
: QObject( parent )
, autoDeleteJob ( 0 )
{
}
void QueueTests::initTestCase ()
{
ThreadWeaver::setDebugLevel ( true, 1 );
}
void QueueTests::SimpleQueuePrioritiesTest() {
ThreadWeaver::Weaver weaver;
weaver.setMaximumNumberOfThreads ( 1 ); // just one thread
QString sequence;
LowPriorityAppendCharacterJob jobA ( QChar( 'a' ), &sequence );
AppendCharacterJob jobB ( QChar( 'b' ), &sequence );
HighPriorityAppendCharacterJob jobC ( QChar( 'c' ), &sequence );
// queue low priority, then normal priority, then high priority
// if priorities are processed correctly, the jobs will be executed in reverse order
weaver.suspend();
weaver.enqueue ( & jobA );
weaver.enqueue ( & jobB );
weaver.enqueue ( & jobC );
weaver.resume();
weaver.finish();
QCOMPARE ( sequence, QString ("cba" ) );
}
void QueueTests::WeaverInitializationTest()
{ // this one mostly tests the sanity of the startup behaviour
ThreadWeaver::Weaver weaver;
QCOMPARE (weaver.currentNumberOfThreads(), 0);
QVERIFY (weaver.isEmpty());
QVERIFY(weaver.isIdle());
QVERIFY(weaver.queueLength() == 0);
weaver.finish();
}
void QueueTests::QueueFromSecondThreadTest()
{
SecondThreadThatQueues thread;
thread.start();
thread.wait();
QVERIFY ( ThreadWeaver::Weaver::instance()->isIdle() );
}
void QueueTests::deleteJob( ThreadWeaver::Job* job)
{ // test that signals are properly emitted (asynchronously, that is):
QVERIFY( thread() == QThread::currentThread() );
QVERIFY( job == autoDeleteJob );
delete job;
autoDeleteJob = 0;
}
void QueueTests::DeleteDoneJobsFromSequenceTest()
{
QString sequence;
autoDeleteJob = new AppendCharacterJob( QChar( 'a' ), &sequence );
AppendCharacterJob b( QChar( 'b' ), &sequence );
AppendCharacterJob c( QChar( 'c' ), &sequence );
ThreadWeaver::JobCollection jobCollection( this );
jobCollection.addJob ( autoDeleteJob );
jobCollection.addJob ( &b );
jobCollection.addJob ( &c);
QVERIFY( autoDeleteJob != 0 );
connect( autoDeleteJob, SIGNAL(done(ThreadWeaver::Job*)),
SLOT(deleteJob(ThreadWeaver::Job*)) );
ThreadWeaver::Weaver::instance()->enqueue ( &jobCollection );
QTest::qWait(100); // return to event queue to make sure signals are delivered
ThreadWeaver::Weaver::instance()->finish();
QTest::qWait(100); // return to event queue to make sure signals are delivered
// no need to delete a, that should be done in deleteJob
QVERIFY( autoDeleteJob == 0 );
}
void QueueTests::deleteCollection( Job* collection )
{
QVERIFY( thread() == QThread::currentThread() );
QVERIFY( collection == autoDeleteCollection );
delete autoDeleteCollection;
autoDeleteCollection = 0;
}
void QueueTests::DeleteCollectionOnDoneTest()
{
QString sequence;
autoDeleteCollection = new ThreadWeaver::JobCollection( this );
connect ( autoDeleteCollection, SIGNAL(done(ThreadWeaver::Job*)),
SLOT(deleteCollection(ThreadWeaver::Job*)) );
AppendCharacterJob a( QChar( 'a' ), &sequence );
AppendCharacterJob b( QChar( 'b' ), &sequence );
autoDeleteCollection->addJob( &a );
autoDeleteCollection->addJob( &b );
ThreadWeaver::Weaver::instance()->enqueue( autoDeleteCollection );
// return to event queue to make sure signals are delivered
// (otherwise, no slot calls would happen before the end of this function)
// I assume the amount of time that we wait does not matter
QTest::qWait(10);
ThreadWeaver::Weaver::instance()->finish();
// return to event queue to make sure signals are delivered
QTest::qWait(10);
// no need to delete a, that should be done in deleteJob
QVERIFY( sequence.length() == 2 );
QVERIFY( autoDeleteCollection == 0 );
}
QTEST_MAIN ( QueueTests )
#include "QueueTests.moc"
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