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#include <QtTest/QtTest>

#include <qsystemlock.h>

//TESTED_CLASS=

//TESTED_FILES=

#ifdef Q_OS_SYMBIAN

// In Symbian OS test data is located in applications private dir

// And underlying Open C have application private dir in default search path

#define SRCDIR ""

#endif

#define EXISTING_SHARE "existing"

class tst_QSystemLock : public QObject

{

    Q_OBJECT

public:

    tst_QSystemLock();

    virtual ~tst_QSystemLock();

public Q_SLOTS:

    void init();

    void cleanup();

private slots:

    void key_data();

    void key();

    void basicLock();

    void complexLock();

    void lockModes();

    void sucessive();

    void processes_data();

    void processes();

private:

    QSystemLock *existingLock;

};

tst_QSystemLock::tst_QSystemLock()

{

}

tst_QSystemLock::~tst_QSystemLock()

{

}

void tst_QSystemLock::init()

{

    existingLock = new QSystemLock(EXISTING_SHARE);

}

void tst_QSystemLock::cleanup()

{

    delete existingLock;

}

void tst_QSystemLock::key_data()

{

    QTest::addColumn<QString>("constructorKey");

    QTest::addColumn<QString>("setKey");

    QTest::newRow("null, null") << QString() << QString();

    QTest::newRow("null, one") << QString() << QString("one");

    QTest::newRow("one, two") << QString("one") << QString("two");

}

/*!

    Basic key testing

 */

void tst_QSystemLock::key()

{

    QFETCH(QString, constructorKey);

    QFETCH(QString, setKey);

    QSystemLock sl(constructorKey);

    QCOMPARE(sl.key(), constructorKey);

    sl.setKey(setKey);

    QCOMPARE(sl.key(), setKey);

}

void tst_QSystemLock::basicLock()

{

    QSystemLock lock("foo");

    QVERIFY(lock.lock());

    QVERIFY(lock.unlock());

}

void tst_QSystemLock::complexLock()

{

    QSystemLock lock("foo");

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.unlock());

    QVERIFY(lock.lock(QSystemLock::ReadWrite));

    QVERIFY(lock.unlock());

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.unlock());

    QVERIFY(lock.unlock());

}

void tst_QSystemLock::lockModes()

{

    QSystemLock reader1("library");

    QSystemLock reader2("library");

    QSystemLock librarian("library");

    QVERIFY(reader1.lock(QSystemLock::ReadOnly));

    QVERIFY(reader2.lock(QSystemLock::ReadOnly));

    QVERIFY(reader1.unlock());

    QVERIFY(reader2.unlock());

    QVERIFY(librarian.lock(QSystemLock::ReadWrite));

    QVERIFY(librarian.unlock());

}

void tst_QSystemLock::sucessive()

{

    QSystemLock lock("library");

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.lock(QSystemLock::ReadOnly));

    QVERIFY(lock.unlock());

    QVERIFY(lock.unlock());

    QVERIFY(lock.unlock());

    QVERIFY(lock.unlock());

    QVERIFY(lock.unlock());

    QVERIFY(!lock.unlock());

}

void tst_QSystemLock::processes_data()

{

    QTest::addColumn<int>("readOnly");

    QTest::addColumn<int>("readWrite");

    for (int i = 0; i < 5; ++i) {

        QTest::newRow("1/0 process") << 1 << 0;

        QTest::newRow("0/1 process") << 0 << 1;

    	QTest::newRow("0/4 process") << 0 << 4;

        QTest::newRow("1/1 process") << 1 << 1;

        QTest::newRow("10/1 process") << 10 << 1;

        QTest::newRow("1/10 process") << 1 << 10;

        QTest::newRow("10/10 processes") << 10 << 10;

    }

}

/*!

    Create external processes

 */

void tst_QSystemLock::processes()

{

    QFETCH(int, readOnly);

    QFETCH(int, readWrite);

    QStringList scripts;

    for (int i = 0; i < readOnly; ++i)

        scripts.append(QFileInfo(SRCDIR "/../lackey/scripts/systemlock_read.js").absoluteFilePath() );

    for (int i = 0; i < readWrite; ++i)

        scripts.append(QFileInfo(SRCDIR "/../lackey/scripts/systemlock_readwrite.js").absoluteFilePath());

    QList<QProcess*> consumers;

    unsigned int failedProcesses = 0;

    for (int i = 0; i < scripts.count(); ++i) {

        QStringList arguments = QStringList() << scripts.at(i);

        QProcess *p = new QProcess;

        p->setProcessChannelMode(QProcess::ForwardedChannels);

        p->start("../lackey/lackey", arguments);

        // test, if the process could be started.

        if (p->waitForStarted(2000))

            consumers.append(p);

        else

            ++failedProcesses;

    }

    while (!consumers.isEmpty()) {

        consumers.first()->waitForFinished(3000);

        consumers.first()->kill();

        QCOMPARE(consumers.first()->exitStatus(), QProcess::NormalExit);

        QCOMPARE(consumers.first()->exitCode(), 0);

        delete consumers.takeFirst();

    }

    QCOMPARE(failedProcesses, (unsigned int)(0));

}

QTEST_MAIN(tst_QSystemLock)

#include "tst_qsystemlock.moc"