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#include <QtTest/QtTest>

#include <QString>

#include <QSpinBox>

#include <QPushButton>

#include <QLineEdit>

#include <QComboBox>

#include <QDialogButtonBox>

#include <qinputdialog.h>

//TESTED_CLASS=

//TESTED_FILES=

class tst_QInputDialog : public QObject

{

    Q_OBJECT

    QWidget *parent;

    QDialog::DialogCode doneCode;

    void (*testFunc)(QInputDialog *);

    static void testFuncGetInteger(QInputDialog *dialog);

    static void testFuncGetDouble(QInputDialog *dialog);

    static void testFuncGetText(QInputDialog *dialog);

    static void testFuncGetItem(QInputDialog *dialog);

    void timerEvent(QTimerEvent *event);

private slots:

    void getInteger_data();

    void getInteger();

    void getDouble_data();

    void getDouble();

    void task255502getDouble();

    void getText_data();

    void getText();

    void getItem_data();

    void getItem();

    void task256299_getTextReturnNullStringOnRejected();

};

QString stripFraction(const QString &s)

{

    int period;

    if (s.contains('.'))

        period = s.indexOf('.');

    else if (s.contains(','))

        period = s.indexOf(',');

    else

        return s;

    int end;

    for (end = s.size() - 1; end > period && s[end] == '0'; --end) ;

    return s.left(end + (end == period ? 0 : 1));

}

QString normalizeNumericString(const QString &s)

{

    return stripFraction(s); // assumed to be sufficient

}

void _keyClick(QWidget *widget, char key)

{

    QTest::keyClick(widget, key);

}

void _keyClick(QWidget *widget, Qt::Key key)

{

    QTest::keyClick(widget, key);

}

template <typename SpinBoxType>

void testTypingValue(

    SpinBoxType* sbox, QPushButton *okButton, const QString &value)

{

    sbox->selectAll();

    for (int i = 0; i < value.size(); ++i) {

        const QChar valChar = value[i];

	_keyClick(static_cast<QWidget *>(sbox), valChar.toAscii()); // ### always guaranteed to work?

        if (sbox->hasAcceptableInput())

            QVERIFY(okButton->isEnabled());

        else

            QVERIFY(!okButton->isEnabled());

    }

}

void testTypingValue(QLineEdit *ledit, QPushButton *okButton, const QString &value)

{

    ledit->selectAll();

    for (int i = 0; i < value.size(); ++i) {

        const QChar valChar = value[i];

	_keyClick(ledit, valChar.toAscii()); // ### always guaranteed to work?

        QVERIFY(ledit->hasAcceptableInput());

        QVERIFY(okButton->isEnabled());

    }

}

template <typename SpinBoxType, typename ValueType>

void testInvalidateAndRestore(

    SpinBoxType* sbox, QPushButton *okButton, QLineEdit *ledit, ValueType * = 0)

{

    const ValueType lastValidValue = sbox->value();

    sbox->selectAll();

    _keyClick(ledit, Qt::Key_Delete);

    QVERIFY(!sbox->hasAcceptableInput());

    QVERIFY(!okButton->isEnabled());

    _keyClick(ledit, Qt::Key_Return); // should work with Qt::Key_Enter too

    QVERIFY(sbox->hasAcceptableInput());

    QVERIFY(okButton->isEnabled());

    QCOMPARE(sbox->value(), lastValidValue);

    QCOMPARE(

        normalizeNumericString(ledit->text()),

        normalizeNumericString(QString("%1").arg(sbox->value())));

}

template <typename SpinBoxType, typename ValueType>

void testGetNumeric(QInputDialog *dialog, SpinBoxType * = 0, ValueType * = 0)

{

    SpinBoxType *sbox = qFindChild<SpinBoxType *>(dialog);

    QVERIFY(sbox != 0);

    QLineEdit *ledit = qFindChild<QLineEdit *>(static_cast<QObject *>(sbox));

    QVERIFY(ledit != 0);

    QDialogButtonBox *bbox = qFindChild<QDialogButtonBox *>(dialog);

    QVERIFY(bbox != 0);

    QPushButton *okButton = bbox->button(QDialogButtonBox::Ok);

    QVERIFY(okButton != 0);

    QVERIFY(sbox->value() >= sbox->minimum());

    QVERIFY(sbox->value() <= sbox->maximum());

    QVERIFY(sbox->hasAcceptableInput());

    QCOMPARE(

        normalizeNumericString(ledit->selectedText()),

        normalizeNumericString(QString("%1").arg(sbox->value())));

    QVERIFY(okButton->isEnabled());

    const ValueType origValue = sbox->value();

    testInvalidateAndRestore<SpinBoxType, ValueType>(sbox, okButton, ledit);

    testTypingValue<SpinBoxType>(sbox, okButton, QString("%1").arg(sbox->minimum()));

    testTypingValue<SpinBoxType>(sbox, okButton, QString("%1").arg(sbox->maximum()));

    testTypingValue<SpinBoxType>(sbox, okButton, QString("%1").arg(sbox->minimum() - 1));

    testTypingValue<SpinBoxType>(sbox, okButton, QString("%1").arg(sbox->maximum() + 1));

    testTypingValue<SpinBoxType>(sbox, okButton, "0");

    testTypingValue<SpinBoxType>(sbox, okButton, "0.0");

    testTypingValue<SpinBoxType>(sbox, okButton, "foobar");

    testTypingValue<SpinBoxType>(sbox, okButton, QString("%1").arg(origValue));

}

void testGetText(QInputDialog *dialog)

{

    QLineEdit *ledit = qFindChild<QLineEdit *>(dialog);

    Q_ASSERT(ledit);

    QDialogButtonBox *bbox = qFindChild<QDialogButtonBox *>(dialog);

    Q_ASSERT(bbox);

    QPushButton *okButton = bbox->button(QDialogButtonBox::Ok);

    Q_ASSERT(okButton);

    QVERIFY(ledit->hasAcceptableInput());

    QCOMPARE(ledit->selectedText(), ledit->text());

    QVERIFY(okButton->isEnabled());

    const QString origValue = ledit->text();

    testTypingValue(ledit, okButton, origValue);

}

void testGetItem(QInputDialog *dialog)

{

    QComboBox *cbox = qFindChild<QComboBox *>(dialog);

    Q_ASSERT(cbox);

    QDialogButtonBox *bbox = qFindChild<QDialogButtonBox *>(dialog);

    Q_ASSERT(bbox);

    QPushButton *okButton = bbox->button(QDialogButtonBox::Ok);

    Q_ASSERT(okButton);

    QVERIFY(okButton->isEnabled());

    const int origIndex = cbox->currentIndex();

    cbox->setCurrentIndex(origIndex - 1);

    cbox->setCurrentIndex(origIndex);

    QVERIFY(okButton->isEnabled());

}

void tst_QInputDialog::testFuncGetInteger(QInputDialog *dialog)

{

    testGetNumeric<QSpinBox, int>(dialog);

}

void tst_QInputDialog::testFuncGetDouble(QInputDialog *dialog)

{

    testGetNumeric<QDoubleSpinBox, double>(dialog);

}

void tst_QInputDialog::testFuncGetText(QInputDialog *dialog)

{

    ::testGetText(dialog);

}

void tst_QInputDialog::testFuncGetItem(QInputDialog *dialog)

{

    ::testGetItem(dialog);

}

void tst_QInputDialog::timerEvent(QTimerEvent *event)

{

    killTimer(event->timerId());

    QInputDialog *dialog = qFindChild<QInputDialog *>(parent);

    Q_ASSERT(dialog);

    if (testFunc)

        testFunc(dialog);

    dialog->done(doneCode); // cause static function call to return

}

void tst_QInputDialog::getInteger_data()

{

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

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

    QTest::newRow("getInteger() - -") << -20 << -10;

    QTest::newRow("getInteger() - 0") << -20 <<   0;

    QTest::newRow("getInteger() - +") << -20 <<  20;

    QTest::newRow("getInteger() 0 +") <<   0 <<  20;

    QTest::newRow("getInteger() + +") <<  10 <<  20;

}

void tst_QInputDialog::getInteger()

{

    QFETCH(int, min);

    QFETCH(int, max);

    Q_ASSERT(min < max);

    parent = new QWidget;

    doneCode = QDialog::Accepted;

    testFunc = &tst_QInputDialog::testFuncGetInteger;

    startTimer(0);

    bool ok = false;

    const int value = min + (max - min) / 2;

    const int result = QInputDialog::getInteger(parent, "", "", value, min, max, 1, &ok);

    QVERIFY(ok);

    QCOMPARE(result, value);

    delete parent;

}

void tst_QInputDialog::getDouble_data()

{

    QTest::addColumn<double>("min");

    QTest::addColumn<double>("max");

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

    QTest::newRow("getDouble() - - d0") << -20.0  << -10.0  << 0;

    QTest::newRow("getDouble() - 0 d0") << -20.0  <<   0.0  << 0;

    QTest::newRow("getDouble() - + d0") << -20.0  <<  20.0  << 0;

    QTest::newRow("getDouble() 0 + d0") <<   0.0  <<  20.0  << 0;

    QTest::newRow("getDouble() + + d0") <<  10.0  <<  20.0  << 0;

    QTest::newRow("getDouble() - - d1") << -20.5  << -10.5  << 1;

    QTest::newRow("getDouble() - 0 d1") << -20.5  <<   0.0  << 1;

    QTest::newRow("getDouble() - + d1") << -20.5  <<  20.5  << 1;

    QTest::newRow("getDouble() 0 + d1") <<   0.0  <<  20.5  << 1;

    QTest::newRow("getDouble() + + d1") <<  10.5  <<  20.5  << 1;

    QTest::newRow("getDouble() - - d2") << -20.05 << -10.05 << 2;

    QTest::newRow("getDouble() - 0 d2") << -20.05 <<   0.0  << 2;

    QTest::newRow("getDouble() - + d2") << -20.05 <<  20.05 << 2;

    QTest::newRow("getDouble() 0 + d2") <<   0.0  <<  20.05 << 2;

    QTest::newRow("getDouble() + + d2") <<  10.05 <<  20.05 << 2;

}

void tst_QInputDialog::getDouble()

{

    QFETCH(double, min);

    QFETCH(double, max);

    QFETCH(int, decimals);

    Q_ASSERT(min < max && decimals >= 0 && decimals <= 13);

    parent = new QWidget;

    doneCode = QDialog::Accepted;

    testFunc = &tst_QInputDialog::testFuncGetDouble;

    startTimer(0);

    bool ok = false;

    // avoid decimals due to inconsistent roundoff behavior in QInputDialog::getDouble()

    // (at one decimal, 10.25 is rounded off to 10.2, while at two decimals, 10.025 is

    // rounded off to 10.03)

    const double value = static_cast<int>(min + (max - min) / 2);

    const double result =

        QInputDialog::getDouble(parent, "", "", value, min, max, decimals, &ok);

    QVERIFY(ok);

    QCOMPARE(result, value);

    delete parent;

}

void tst_QInputDialog::task255502getDouble()

{

    parent = new QWidget;

    doneCode = QDialog::Accepted;

    testFunc = &tst_QInputDialog::testFuncGetDouble;

    startTimer(0);

    bool ok = false;

    const double value = 0.001;

    const double result =

        QInputDialog::getDouble(parent, "", "", value, -1, 1, 4, &ok);

    QVERIFY(ok);

    QCOMPARE(result, value);

    delete parent;

}

void tst_QInputDialog::getText_data()

{

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

    QTest::newRow("getText() 1") << "";

    QTest::newRow("getText() 2") << "foobar";

    QTest::newRow("getText() 3") << "  foobar";

    QTest::newRow("getText() 4") << "foobar  ";

    QTest::newRow("getText() 5") << "aAzZ`1234567890-=~!@#$%^&*()_+[]{}\\|;:'\",.<>/?";

}

void tst_QInputDialog::getText()

{

    QFETCH(QString, text);

    parent = new QWidget;

    doneCode = QDialog::Accepted;

    testFunc = &tst_QInputDialog::testFuncGetText;

    startTimer(0);

    bool ok = false;

    const QString result = QInputDialog::getText(parent, "", "", QLineEdit::Normal, text, &ok);

    QVERIFY(ok);

    QCOMPARE(result, text);

    delete parent;

}

void tst_QInputDialog::task256299_getTextReturnNullStringOnRejected()

{

    parent = new QWidget;

    doneCode = QDialog::Rejected;

    testFunc = 0;

    startTimer(0);

    bool ok = true;

    const QString result = QInputDialog::getText(parent, "", "", QLineEdit::Normal, "foobar", &ok);

    QVERIFY(!ok);

    QVERIFY(result.isNull());

    delete parent;

}

void tst_QInputDialog::getItem_data()

{

    QTest::addColumn<QStringList>("items");

    QTest::addColumn<bool>("editable");

    QTest::newRow("getItem() 1 true") << (QStringList() << "") << true;

    QTest::newRow("getItem() 2 true") <<

        (QStringList() << "spring" << "summer" << "fall" << "winter") << true;

    QTest::newRow("getItem() 1 false") << (QStringList() << "") << false;

    QTest::newRow("getItem() 2 false") <<

        (QStringList() << "spring" << "summer" << "fall" << "winter") << false;

}

void tst_QInputDialog::getItem()

{

    QFETCH(QStringList, items);

    QFETCH(bool, editable);

    parent = new QWidget;

    doneCode = QDialog::Accepted;

    testFunc = &tst_QInputDialog::testFuncGetItem;

    startTimer(0);

    bool ok = false;

    const int index = items.size() / 2;

    const QString result = QInputDialog::getItem(parent, "", "", items, index, editable, &ok);

    QVERIFY(ok);

    QCOMPARE(result, items[index]);

    delete parent;

}

QTEST_MAIN(tst_QInputDialog)

#include "tst_qinputdialog.moc"