tests/benchmarks/qvariant/tst_qvariant.cpp
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     1 /****************************************************************************
       
     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
       
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    20 ** packaging of this file.  Please review the following information to
       
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    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtCore>
       
    43 #include <QtGui/QPixmap>
       
    44 #include <qtest.h>
       
    45 
       
    46 #define ITERATION_COUNT 1e5
       
    47 
       
    48 class tst_qvariant : public QObject
       
    49 {
       
    50     Q_OBJECT
       
    51 private slots:
       
    52     void testBound();
       
    53 
       
    54     void doubleVariantCreation();
       
    55     void floatVariantCreation();
       
    56     void rectVariantCreation();
       
    57     void stringVariantCreation();
       
    58     void pixmapVariantCreation();
       
    59 
       
    60     void doubleVariantSetValue();
       
    61     void floatVariantSetValue();
       
    62     void rectVariantSetValue();
       
    63     void stringVariantSetValue();
       
    64 
       
    65     void doubleVariantAssignment();
       
    66     void floatVariantAssignment();
       
    67     void rectVariantAssignment();
       
    68     void stringVariantAssignment();
       
    69 };
       
    70 
       
    71 void tst_qvariant::testBound()
       
    72 {
       
    73     qreal d = qreal(.5);
       
    74     QBENCHMARK {
       
    75         for(int i = 0; i < ITERATION_COUNT; ++i) {
       
    76             d = qBound<qreal>(0, d, 1);
       
    77         }
       
    78     }
       
    79 }
       
    80 
       
    81 template <typename T>
       
    82 static void variantCreation(T val)
       
    83 {
       
    84     QBENCHMARK {
       
    85         for(int i = 0; i < ITERATION_COUNT; ++i) {
       
    86             QVariant v(val);
       
    87         }
       
    88     }
       
    89 }
       
    90 
       
    91 void tst_qvariant::doubleVariantCreation()
       
    92 {
       
    93     variantCreation<double>(0.0);
       
    94 }
       
    95 
       
    96 void tst_qvariant::floatVariantCreation()
       
    97 {
       
    98     variantCreation<float>(0.0f);
       
    99 }
       
   100 
       
   101 void tst_qvariant::rectVariantCreation()
       
   102 {
       
   103     variantCreation<QRect>(QRect(1, 2, 3, 4));
       
   104 }
       
   105 
       
   106 void tst_qvariant::stringVariantCreation()
       
   107 {
       
   108     variantCreation<QString>(QString());
       
   109 }
       
   110 
       
   111 void tst_qvariant::pixmapVariantCreation()
       
   112 {
       
   113     variantCreation<QPixmap>(QPixmap());
       
   114 }
       
   115 
       
   116 template <typename T>
       
   117 static void variantSetValue(T d)
       
   118 {
       
   119     QVariant v;
       
   120     QBENCHMARK {
       
   121         for(int i = 0; i < ITERATION_COUNT; ++i) {
       
   122             qVariantSetValue(v, d);
       
   123         }
       
   124     }
       
   125 }
       
   126 
       
   127 void tst_qvariant::doubleVariantSetValue()
       
   128 {
       
   129     variantSetValue<double>(0.0);
       
   130 }
       
   131 
       
   132 void tst_qvariant::floatVariantSetValue()
       
   133 {
       
   134     variantSetValue<float>(0.0f);
       
   135 }
       
   136 
       
   137 void tst_qvariant::rectVariantSetValue()
       
   138 {
       
   139     variantSetValue<QRect>(QRect());
       
   140 }
       
   141 
       
   142 void tst_qvariant::stringVariantSetValue()
       
   143 {
       
   144     variantSetValue<QString>(QString());
       
   145 }
       
   146 
       
   147 template <typename T>
       
   148 static void variantAssignment(T d)
       
   149 {
       
   150     QVariant v;
       
   151     QBENCHMARK {
       
   152         for(int i = 0; i < ITERATION_COUNT; ++i) {
       
   153             v = d;
       
   154         }
       
   155     }
       
   156 }
       
   157 
       
   158 void tst_qvariant::doubleVariantAssignment()
       
   159 {
       
   160     variantAssignment<double>(0.0);
       
   161 }
       
   162 
       
   163 void tst_qvariant::floatVariantAssignment()
       
   164 {
       
   165     variantAssignment<float>(0.0f);
       
   166 }
       
   167 
       
   168 void tst_qvariant::rectVariantAssignment()
       
   169 {
       
   170     variantAssignment<QRect>(QRect());
       
   171 }
       
   172 
       
   173 void tst_qvariant::stringVariantAssignment()
       
   174 {
       
   175     variantAssignment<QString>(QString());
       
   176 }
       
   177 
       
   178 QTEST_MAIN(tst_qvariant)
       
   179 
       
   180 #include "tst_qvariant.moc"