qt-everywhere-src-5.15.1/qtbase/tests/auto/corelib/kernel/qsignalmapper/tst_qsignalmapper.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtTest/QtTest>

#include <qsignalmapper.h>

class tst_QSignalMapper : public QObject
{
    Q_OBJECT
private slots:
    void mapped();
};

class QtTestObject : public QObject
{
    Q_OBJECT
public slots:
    void myIntSlot(int id);
    void myStringSlot(const QString &str);

signals:
    void mysignal(int);

public:
    void emit_mysignal(int);

    int id;
    QString str;
};

void QtTestObject::myIntSlot(int id)
{
    this->id = id;
}

void QtTestObject::myStringSlot(const QString &str)
{
    this->str = str;
}

void QtTestObject::emit_mysignal(int value)
{
    emit mysignal(value);
}

void tst_QSignalMapper::mapped()
{
    QSignalMapper mapper;

    QtTestObject target;
    QtTestObject src1;
    QtTestObject src2;
    QtTestObject src3;

    connect(&src1, SIGNAL(mysignal(int)), &mapper, SLOT(map()));
    connect(&src2, SIGNAL(mysignal(int)), &mapper, SLOT(map()));
    connect(&src3, SIGNAL(mysignal(int)), &mapper, SLOT(map()));

    mapper.setMapping(&src1, 7);
    mapper.setMapping(&src1, 1);
    mapper.setMapping(&src2, 2);
    mapper.setMapping(&src2, "two");
    mapper.setMapping(&src3, "three");

    connect(&mapper, &QSignalMapper::mappedInt, &target, &QtTestObject::myIntSlot);
    connect(&mapper, &QSignalMapper::mappedString, &target, &QtTestObject::myStringSlot);

    src1.emit_mysignal(20);
    QCOMPARE(target.id, 1);
    QVERIFY(target.str.isEmpty());

    src2.emit_mysignal(20);
    QCOMPARE(target.id, 2);
    QCOMPARE(target.str, QLatin1String("two"));

    src3.emit_mysignal(20);
    QCOMPARE(target.id, 2);
    QCOMPARE(target.str, QLatin1String("three"));
}

QTEST_MAIN(tst_QSignalMapper)
#include "tst_qsignalmapper.moc"