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#include <QtTest/QtTest>
#include "../../shared/util.h"

#include <qinputcontext.h>
#include <qlineedit.h>
#include <qplaintextedit.h>

class tst_QInputContext : public QObject
{
Q_OBJECT

public:
    tst_QInputContext() {}
    virtual ~tst_QInputContext() {}

public slots:
    void initTestCase() {}
    void cleanupTestCase() {}
    void init() {}
    void cleanup() {}
private slots:
    void maximumTextLength();
    void filterMouseEvents();
};

void tst_QInputContext::maximumTextLength()
{
    QLineEdit le;

    le.setMaxLength(15);
    QVariant variant = le.inputMethodQuery(Qt::ImMaximumTextLength);
    QVERIFY(variant.isValid());
    QCOMPARE(variant.toInt(), 15);

    QPlainTextEdit pte;
    // For BC/historical reasons, QPlainTextEdit::inputMethodQuery is protected.
    variant = static_cast<QWidget *>(&pte)->inputMethodQuery(Qt::ImMaximumTextLength);
    QVERIFY(!variant.isValid());
}

class QFilterInputContext : public QInputContext
{
public:
    QFilterInputContext() : successful(false) {}
    ~QFilterInputContext() {}

    QString identifierName() { return QString(); }
    QString language() { return QString(); }

    void reset() {}

    bool isComposing() const { return false; }

    bool filterEvent( const QEvent *event )
    {
        successful = event->type() == QEvent::MouseButtonRelease;
    }

public:
    bool successful;
};

void tst_QInputContext::filterMouseEvents()
{
    QLineEdit le;
    le.show();

    QFilterInputContext *ic = new QFilterInputContext;
    le.setInputContext(ic);
    QTest::mouseClick(&le, Qt::LeftButton);

    QVERIFY(ic->successful);

    le.setInputContext(0);
}

QTEST_MAIN(tst_QInputContext)
#include "tst_qinputcontext.moc"