Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
155 lines
4.1 KiB
C++
155 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "signalbug.h"
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#include <qcoreapplication.h>
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#include <qstring.h>
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#include <stdio.h>
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static int Step = 0;
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Sender RandomSender (0, 0);
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void TRACE (int step, const char *name)
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{
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for (int t = 0; t < step - 1; t++)
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fprintf (stderr, "\t");
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fprintf (stderr, "Step %d: %s\n", step, name);
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return;
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}
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Receiver::Receiver ()
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: QObject ()
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{
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}
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void Receiver::received ()
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{
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::Step++;
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const int stepCopy = ::Step;
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TRACE (stepCopy, "Receiver::received()");
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if (::Step != 2 && ::Step != 4)
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qFatal("%s: Incorrect Step: %d (should be 2 or 4)", Q_FUNC_INFO, ::Step);
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if (::Step == 2)
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s->fire ();
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fprintf (stderr, "Receiver<%s>::received() sender=%s\n",
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(const char *) objectName ().toAscii (), sender ()->metaObject()->className());
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TRACE (stepCopy, "ends Receiver::received()");
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}
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Disconnector::Disconnector ()
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: QObject ()
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{
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}
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void Disconnector::received ()
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{
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::Step++;
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const int stepCopy = ::Step;
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TRACE (stepCopy, "Disconnector::received()");
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if (::Step != 5 && ::Step != 6)
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qFatal("%s: Incorrect Step: %d (should be 5 or 6)", Q_FUNC_INFO, ::Step);
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fprintf (stderr, "Disconnector<%s>::received() sender=%s\n",
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(const char *) objectName ().toAscii (), sender ()->metaObject()->className());
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if (sender () == 0)
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fprintf (stderr, "WE SHOULD NOT BE RECEIVING THIS SIGNAL\n");
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if (::Step == 5)
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{
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disconnect (s, SIGNAL (fired ()), s->d, SLOT (received ()));
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connect (&RandomSender, SIGNAL (fired ()), s->d, SLOT (received ()));
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}
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TRACE (stepCopy, "ends Disconnector::received()");
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}
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Sender::Sender (Receiver *r, Disconnector *d)
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: QObject ()
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{
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this->r = r; this->d = d;
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if (r)
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connect (this, SIGNAL (fired ()), r, SLOT (received ()));
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if (d)
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connect (this, SIGNAL (fired ()), d, SLOT (received ()));
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};
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void Sender::fire ()
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{
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::Step++;
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const int stepCopy = ::Step;
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TRACE (stepCopy, "Sender::fire()");
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if (::Step != 1 && ::Step != 3)
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qFatal("%s: Incorrect Step: %d (should be 1 or 3)", Q_FUNC_INFO, ::Step);
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emit fired ();
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TRACE (stepCopy, "ends Sender::fire()");
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}
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int main (int argc, char *argv [])
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{
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QCoreApplication app (argc, argv);
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Receiver r;
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Disconnector d;
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Sender s (&r, &d);
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r.s = &s;
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d.s = &s;
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::Step = 0;
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s.fire ();
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return 0;
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}
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