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#include <QtCore>

#include <QtTest/QtTest>

/*

    This test makes a testlog containing lots of characters which have a special meaning in

    XML, with the purpose of exposing bugs in testlib's XML output code.

*/

class tst_BadXml : public QObject

{

    Q_OBJECT

private slots:

    void badDataTag() const;

    void badDataTag_data() const;

    void badMessage() const;

    void badMessage_data() const;

    void failWithNoFile() const;

public:

    static QList<QByteArray> const& badStrings();

};

/*

    Custom metaobject to make it possible to change class name at runtime.

*/

class EmptyClass : public tst_BadXml

{ Q_OBJECT };

class tst_BadXmlSub : public tst_BadXml

{

public:

    const QMetaObject* metaObject() const;

    static char const* className;

};

char const* tst_BadXmlSub::className = "tst_BadXml";

const QMetaObject* tst_BadXmlSub::metaObject() const

{

    const QMetaObject& empty = EmptyClass::staticMetaObject;

    static QMetaObject mo = {

        { empty.d.superdata, empty.d.stringdata, empty.d.data, empty.d.extradata }

    };

    static char currentClassName[1024];

    qstrcpy(currentClassName, className);

    int len = qstrlen(className);

    currentClassName[len] = 0;

    currentClassName[len+1] = 0;

    mo.d.stringdata = currentClassName;

    return &mo;

}

/*

    Outputs incidents and benchmark results with the current data tag set to a bad string.

*/

void tst_BadXml::badDataTag() const

{

    qDebug("a message");

    QBENCHMARK {

    }

    QFAIL("a failure");

}

void tst_BadXml::badDataTag_data() const

{

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

    foreach (char const* str, badStrings()) {

        QTest::newRow(str) << 0;

    }

}

void tst_BadXml::failWithNoFile() const

{

    QTest::qFail("failure message", 0, 0);

}

/*

    Outputs a message containing a bad string.

*/

void tst_BadXml::badMessage() const

{

    QFETCH(QByteArray, message);

    qDebug("%s", message.constData());

}

void tst_BadXml::badMessage_data() const

{

    QTest::addColumn<QByteArray>("message");

    int i = 0;

    foreach (QByteArray const& str, badStrings()) {

        QTest::newRow(qPrintable(QString::fromLatin1("string %1").arg(i++))) << str;

    }

}

/*

    Returns a list of strings likely to expose bugs in XML output code.

*/

QList<QByteArray> const& tst_BadXml::badStrings()

{

    static QList<QByteArray> out;

    if (out.isEmpty()) {

        out << "end cdata ]]> text ]]> more text";

        out << "quotes \" text\" more text";

        out << "xml close > open < tags < text";

        out << "all > \" mixed ]]> up > \" in < the ]]> hopes < of triggering \"< ]]> bugs";

    }

    return out;

}

int main(int argc, char** argv)

{

    QCoreApplication app(argc, argv);

    /*

        tst_selftests can't handle multiple XML documents in a single testrun, so we'll

        decide before we begin which of our "bad strings" we want to use for our testcase

        name.

    */

    int badstring = -1;

    QVector<char const*> args;

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

        if (!strcmp(argv[i], "-badstring")) {

            bool ok = false;

            if (i < argc-1) {

                badstring = QByteArray(argv[i+1]).toInt(&ok);

                ++i;

            }

            if (!ok) {

                qFatal("Bad `-badstring' option");

            }

        }

        else {

            args << argv[i];

        }

    }

    /*

        We just want testlib to output a benchmark result, we don't actually care about the value,

        so just do one iteration to save time.

    */

    args << "-iterations" << "1";

    if (badstring == -1) {

        tst_BadXml test;

        return QTest::qExec(&test, args.count(), const_cast<char**>(args.data()));

    }

    QList<QByteArray> badstrings = tst_BadXml::badStrings();

    if (badstring >= badstrings.count())

        qFatal("`-badstring %d' is out of range", badstring);

    tst_BadXmlSub test;

    test.className = badstrings[badstring].constData();

    return QTest::qExec(&test, args.count(), const_cast<char**>(args.data()));

}

#include "tst_badxml.moc"