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#include <QtTest/QtTest>

#include <qbytearraymatcher.h>

class tst_QByteArrayMatcher : public QObject
{
    Q_OBJECT

private slots:
    void interface();
    void task251958();
};

static QByteArrayMatcher matcher1;

void tst_QByteArrayMatcher::interface()
{
    const char needle[] = "abc123";
    QByteArray haystack(500, 'a');
    haystack.insert(6, "123");
    haystack.insert(31, "abc");
    haystack.insert(42, "abc123");
    haystack.insert(84, "abc123");

    matcher1 = QByteArrayMatcher(QByteArray(needle));
    QByteArrayMatcher matcher2;
    matcher2.setPattern(QByteArray(needle));

    QByteArrayMatcher matcher3 = QByteArrayMatcher(QByteArray(needle));
    QByteArrayMatcher matcher4(needle, sizeof(needle) - 1);
    QByteArrayMatcher matcher5(matcher2);
    QByteArrayMatcher matcher6;
    matcher6 = matcher3;

    QCOMPARE(matcher1.indexIn(haystack), 42);
    QCOMPARE(matcher2.indexIn(haystack), 42);
    QCOMPARE(matcher3.indexIn(haystack), 42);
    QCOMPARE(matcher4.indexIn(haystack), 42);
    QCOMPARE(matcher5.indexIn(haystack), 42);
    QCOMPARE(matcher6.indexIn(haystack), 42);

    QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.length()), 42);

    QCOMPARE(matcher1.indexIn(haystack, 43), 84);
    QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.length(), 43), 84);
    QCOMPARE(matcher1.indexIn(haystack, 85), -1);
    QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.length(), 85), -1);

    QByteArrayMatcher matcher7(QByteArray("123"));
    QCOMPARE(matcher7.indexIn(haystack), 6);

    matcher7 = QByteArrayMatcher(QByteArray("abc"));
    QCOMPARE(matcher7.indexIn(haystack), 31);

    matcher7.setPattern(matcher4.pattern());
    QCOMPARE(matcher7.indexIn(haystack), 42);
}


static QByteArrayMatcher matcher;

void tst_QByteArrayMatcher::task251958()
{
    const char p_data[] = { 0x0, 0x0, 0x1 };
    QByteArray pattern(p_data, sizeof(p_data));

    QByteArray haystack(8, '\0');
    haystack[7] = 0x1;

    matcher = QByteArrayMatcher(pattern);
    QCOMPARE(matcher.indexIn(haystack, 0), 5);
    QCOMPARE(matcher.indexIn(haystack, 1), 5);
    QCOMPARE(matcher.indexIn(haystack, 2), 5);

    matcher.setPattern(pattern);
    QCOMPARE(matcher.indexIn(haystack, 0), 5);
    QCOMPARE(matcher.indexIn(haystack, 1), 5);
    QCOMPARE(matcher.indexIn(haystack, 2), 5);
}

QTEST_APPLESS_MAIN(tst_QByteArrayMatcher)
#include "tst_qbytearraymatcher.moc"
