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/*
 *  Copyright (C) 2011 Andriy Rysin (rysin@kde.org)
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <QtTest>
#include <QIcon>

#include "../flags.h"
#include "../xkb_rules.h"
#include "../keyboard_config.h"


static QImage image(const QIcon& icon) {
	return icon.pixmap(QSize(16,16), QIcon::Normal, QIcon::On).toImage();
}

class FlagsTest : public QObject
{
    Q_OBJECT

	Flags* flags;
    const Rules* rules;

private Q_SLOTS:
    void initTestCase() {
    	flags = new Flags();
    	rules = nullptr;
    }

    void cleanupTestCase() {
    	delete flags;
    	delete rules;
    }

    void testRules() {
        QVERIFY( flags != nullptr );

        QVERIFY( ! flags->getTransparentPixmap().isNull() );

        const QIcon iconUs(flags->getIcon(QStringLiteral("us")));
        QVERIFY( ! iconUs.isNull() );
        QVERIFY( flags->getIcon("--").isNull() );

    	KeyboardConfig keyboardConfig;
        LayoutUnit layoutUnit(QStringLiteral("us"));
        LayoutUnit layoutUnit1(QStringLiteral("us"), QStringLiteral("intl"));
        layoutUnit1.setDisplayName(QStringLiteral("usi"));
        LayoutUnit layoutUnit2(QStringLiteral("us"), QStringLiteral("other"));

        keyboardConfig.indicatorType = KeyboardConfig::SHOW_FLAG;
        const QIcon iconUsFlag = flags->getIconWithText(layoutUnit, keyboardConfig);
        QVERIFY( ! iconUsFlag.isNull() );
        QCOMPARE( image(iconUsFlag), image(iconUs) );

        keyboardConfig.indicatorType = KeyboardConfig::SHOW_LABEL;
        const QIcon iconUsText = flags->getIconWithText(layoutUnit, keyboardConfig);
        QVERIFY( ! iconUsText.isNull() );
        QVERIFY( image(iconUsText) != image(iconUs) );

        keyboardConfig.layouts.append(layoutUnit1);
        QCOMPARE( flags->getShortText(layoutUnit, keyboardConfig), QString("us") );
        QCOMPARE( flags->getShortText(layoutUnit1, keyboardConfig), QString("usi") );
        QCOMPARE( flags->getShortText(layoutUnit2, keyboardConfig), QString("us") );

        const Rules* rules = Rules::readRules(Rules::NO_EXTRAS);
        QCOMPARE( flags->getLongText(layoutUnit, rules), QString("English (US)") );
        QCOMPARE( flags->getLongText(layoutUnit2, rules), QString("other") );

        rules = nullptr; // when no rules found
        QCOMPARE( flags->getLongText(layoutUnit1, rules), QString("us - intl") );

        flags->clearCache();
    }

//    void loadRulesBenchmark() {
//    	QBENCHMARK {
//    		Flags* flags = new Flags();
//    		delete flags;
//    	}
//    }

};

// need GUI for xkb protocol in xkb_rules.cpp
QTEST_MAIN(FlagsTest)

#include "flags_test.moc"