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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

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     7 ** This file is part of the test suite of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 #include <QtCore>

    42 #include <QtGui>

    43 #include <qtest.h>

    44 #include "object.h"

    45 #include <qcoreapplication.h>

    46 #include <qdatetime.h>

    47 

    48 enum {

    49     CreationDeletionBenckmarkConstant = 34567,

    50     SignalsAndSlotsBenchmarkConstant = 456789

    51 };

    52 

    53 class QObjectBenchmark : public QObject

    54 {

    55 Q_OBJECT

    56 private slots:

    57     void signal_slot_benchmark();

    58     void signal_slot_benchmark_data();

    59     void qproperty_benchmark_data();

    60     void qproperty_benchmark();

    61     void dynamic_property_benchmark();

    62     void connect_disconnect_benchmark_data();

    63     void connect_disconnect_benchmark();

    64 };

    65 

    66 void QObjectBenchmark::signal_slot_benchmark_data()

    67 {

    68     QTest::addColumn<int>("type");

    69     QTest::newRow("simple function") << 0;

    70     QTest::newRow("single signal/slot") << 1;

    71     QTest::newRow("multi signal/slot") << 2;

    72 }

    73 

    74 void QObjectBenchmark::signal_slot_benchmark()

    75 {

    76     QFETCH(int, type);

    77 

    78     Object singleObject;

    79     Object multiObject;

    80     singleObject.setObjectName("single");

    81     multiObject.setObjectName("multi");

    82 

    83     singleObject.connect(&singleObject, SIGNAL(signal0()), SLOT(slot0()));

    84 

    85     multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(slot0()));

    86     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal1()));

    87     multiObject.connect(&multiObject, SIGNAL(signal1()), SLOT(slot1()));

    88     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal2()));

    89     multiObject.connect(&multiObject, SIGNAL(signal2()), SLOT(slot2()));

    90     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal3()));

    91     multiObject.connect(&multiObject, SIGNAL(signal3()), SLOT(slot3()));

    92     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal4()));

    93     multiObject.connect(&multiObject, SIGNAL(signal4()), SLOT(slot4()));

    94     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal5()));

    95     multiObject.connect(&multiObject, SIGNAL(signal5()), SLOT(slot5()));

    96     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal6()));

    97     multiObject.connect(&multiObject, SIGNAL(signal6()), SLOT(slot6()));

    98     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal7()));

    99     multiObject.connect(&multiObject, SIGNAL(signal7()), SLOT(slot7()));

   100     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal8()));

   101     multiObject.connect(&multiObject, SIGNAL(signal8()), SLOT(slot8()));

   102     // multiObject.connect(&multiObject, SIGNAL(signal0()), SLOT(signal9()));

   103     multiObject.connect(&multiObject, SIGNAL(signal9()), SLOT(slot9()));

   104 

   105     if (type == 0) {

   106         QBENCHMARK {

   107             singleObject.slot0();

   108         }

   109     } else if (type == 1) {

   110         QBENCHMARK {

   111             singleObject.emitSignal0();

   112         }

   113     } else {

   114         QBENCHMARK {

   115             multiObject.emitSignal0();   

   116         }

   117     }

   118 }

   119 

   120 void QObjectBenchmark::qproperty_benchmark_data()

   121 {

   122     QTest::addColumn<QByteArray>("name");

   123     const QMetaObject *mo = &QTreeView::staticMetaObject;

   124     for (int i = 0; i < mo->propertyCount(); ++i) {

   125         QMetaProperty prop = mo->property(i);

   126         QTest::newRow(prop.name()) << QByteArray(prop.name());

   127     }

   128 }

   129 

   130 void QObjectBenchmark::qproperty_benchmark()

   131 {

   132     QFETCH(QByteArray, name);

   133     const char *p = name.constData();

   134     QTreeView obj;

   135     QVariant v = obj.property(p);

   136     QBENCHMARK {

   137         obj.setProperty(p, v);

   138         (void)obj.property(p);

   139     }

   140 }

   141 

   142 void QObjectBenchmark::dynamic_property_benchmark()

   143 {

   144     QTreeView obj;

   145     QBENCHMARK {

   146         obj.setProperty("myProperty", 123);

   147         (void)obj.property("myProperty");

   148         obj.setProperty("myOtherProperty", 123);

   149         (void)obj.property("myOtherProperty");

   150     }

   151 }

   152 

   153 void QObjectBenchmark::connect_disconnect_benchmark_data()

   154 {

   155     QTest::addColumn<QByteArray>("signal");

   156     const QMetaObject *mo = &QTreeView::staticMetaObject;

   157     for (int i = 0; i < mo->methodCount(); ++i) {

   158         QMetaMethod method = mo->method(i);

   159         if (method.methodType() != QMetaMethod::Signal)

   160             continue;

   161         QByteArray sig = method.signature();

   162         QTest::newRow(sig) << sig;

   163     }

   164 }

   165 

   166 void QObjectBenchmark::connect_disconnect_benchmark()

   167 {

   168     QFETCH(QByteArray, signal);

   169     signal.prepend('2');

   170     const char *p = signal.constData();

   171     QTreeView obj;

   172     QBENCHMARK {

   173         QObject::connect(&obj, p, &obj, p);

   174         QObject::disconnect(&obj, p, &obj, p);

   175     }

   176 }

   177 

   178 QTEST_MAIN(QObjectBenchmark)

   179 

   180 #include "main.moc"