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#include <QtTest/QtTest>

class tst_QCryptographicHash : public QObject

{

    Q_OBJECT

private slots:

    void repeated_result_data();

    void repeated_result();

    void intermediary_result_data();

    void intermediary_result();

    void sha1();

};

#include <QtCore>

void tst_QCryptographicHash::repeated_result_data()

{

    intermediary_result_data();

}

void tst_QCryptographicHash::repeated_result()

{

    QFETCH(int, algo);

    QCryptographicHash::Algorithm _algo = QCryptographicHash::Algorithm(algo);

    QCryptographicHash hash(_algo);

    QFETCH(QByteArray, first);

    hash.addData(first);

    QFETCH(QByteArray, hash_first);

    QByteArray result = hash.result();

    QCOMPARE(result, hash_first);

    QCOMPARE(result, hash.result());

    hash.reset();

    hash.addData(first);

    result = hash.result();

    QCOMPARE(result, hash_first);

    QCOMPARE(result, hash.result());

}

void tst_QCryptographicHash::intermediary_result_data()

{

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

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

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

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

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

    QTest::newRow("md4") << int(QCryptographicHash::Md4)

                         << QByteArray("abc") << QByteArray("abc")

                         << QByteArray::fromHex("A448017AAF21D8525FC10AE87AA6729D")

                         << QByteArray::fromHex("03E5E436DAFAF3B9B3589DB83C417C6B");

    QTest::newRow("md5") << int(QCryptographicHash::Md5)

                         << QByteArray("abc") << QByteArray("abc")

                         << QByteArray::fromHex("900150983CD24FB0D6963F7D28E17F72")

                         << QByteArray::fromHex("440AC85892CA43AD26D44C7AD9D47D3E");

    QTest::newRow("sha1") << int(QCryptographicHash::Sha1)

                          << QByteArray("abc") << QByteArray("abc")

                          << QByteArray::fromHex("A9993E364706816ABA3E25717850C26C9CD0D89D")

                          << QByteArray::fromHex("F8C1D87006FBF7E5CC4B026C3138BC046883DC71");

}

void tst_QCryptographicHash::intermediary_result()

{

    QFETCH(int, algo);

    QCryptographicHash::Algorithm _algo = QCryptographicHash::Algorithm(algo);

    QCryptographicHash hash(_algo);

    QFETCH(QByteArray, first);

    hash.addData(first);

    QFETCH(QByteArray, hash_first);

    QByteArray result = hash.result();

    QCOMPARE(result, hash_first);

    // don't reset

    QFETCH(QByteArray, second);

    QFETCH(QByteArray, hash_firstsecond);

    hash.addData(second);

    result = hash.result();

    QCOMPARE(result, hash_firstsecond);

    hash.reset();

}

void tst_QCryptographicHash::sha1()

{

//  SHA1("abc") =

//      A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D

    QCOMPARE(QCryptographicHash::hash("abc", QCryptographicHash::Sha1).toHex().toUpper(),

             QByteArray("A9993E364706816ABA3E25717850C26C9CD0D89D"));

//  SHA1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq") =

//      84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1

    QCOMPARE(QCryptographicHash::hash("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",

                                      QCryptographicHash::Sha1).toHex().toUpper(),

             QByteArray("84983E441C3BD26EBAAE4AA1F95129E5E54670F1"));

//  SHA1(A million repetitions of "a") =

//      34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F

    QByteArray as;

    for (int i = 0; i < 1000000; ++i)

        as += 'a';

    QCOMPARE(QCryptographicHash::hash(as, QCryptographicHash::Sha1).toHex().toUpper(), 

             QByteArray("34AA973CD4C4DAA4F61EEB2BDBAD27316534016F"));

}

QTEST_MAIN(tst_QCryptographicHash)

#include "tst_qcryptographichash.moc"