00001 <?php 00002 $rubrique = 65; 00003 $meta_description = "QExtend: Fichier source de objectptr.cpp"; 00004 $meta_keywords =" QExtend: Fichier source de objectptr.cpp"; 00005 $titre_page = "QExtend"; 00006 $urlCss = "http://www.developpez.com/template/kit/article.css"; 00007 $xhtml=true; 00008 $Auteur=""; 00009 $Licence="4"; 00010 $Annee="2010"; 00011 $topicType = 'Whitepaper'; 00012 $meta = '<link rel="stylesheet" type="text/css" media="screen" href="https://www.developpez.com/public/css/index2.css" /><link rel="stylesheet" type="text/css" media="screen" href="tabs.css" /><link rel="stylesheet" type="text/css" media="screen" href="doxygen.css" />'; 00013 include($_SERVER["DOCUMENT_ROOT"]."/template/entete.php"); 00014 00015 ob_start(); 00016 ?> 00017 <!-- Généré par Doxygen 1.7.1 --> 00018 <div class="navigation" id="top"> 00019 <div class="tabs"> 00020 <ul class="tablist"> 00021 <li><a href="index.php"><span>Page principale</span></a></li> 00022 <li><a href="namespaces.php"><span>Espaces de nommage</span></a></li> 00023 <li><a href="annotated.php"><span>Classes</span></a></li> 00024 <li class="current"><a href="files.php"><span>Fichiers</span></a></li> 00025 </ul> 00026 </div> 00027 <div class="tabs2"> 00028 <ul class="tablist"> 00029 <li><a href="files.php"><span>Liste des fichiers</span></a></li> 00030 </ul> 00031 </div> 00032 <div class="header"> 00033 <div class="headertitle"> 00034 <h1>objectptr.cpp</h1> </div> 00035 </div> 00036 <div class="contents"> 00037 <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> 00038 <a name="l00002"></a>00002 <span class="comment">Copyright © 2010 yan Verdavaine</span> 00039 <a name="l00003"></a>00003 <span class="comment"></span> 00040 <a name="l00004"></a>00004 <span class="comment">This file is part of QExtend.</span> 00041 <a name="l00005"></a>00005 <span class="comment"></span> 00042 <a name="l00006"></a>00006 <span class="comment">QExtend is free software: you can redistribute it and/or modify</span> 00043 <a name="l00007"></a>00007 <span class="comment">it under the terms of the GNU General Public License as published by</span> 00044 <a name="l00008"></a>00008 <span class="comment">the Free Software Foundation, either version 3 of the License, or</span> 00045 <a name="l00009"></a>00009 <span class="comment">any later version.</span> 00046 <a name="l00010"></a>00010 <span class="comment"></span> 00047 <a name="l00011"></a>00011 <span class="comment">QExtend is distributed in the hope that it will be useful,</span> 00048 <a name="l00012"></a>00012 <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span> 00049 <a name="l00013"></a>00013 <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> 00050 <a name="l00014"></a>00014 <span class="comment">GNU General Public License for more details.</span> 00051 <a name="l00015"></a>00015 <span class="comment"></span> 00052 <a name="l00016"></a>00016 <span class="comment">You should have received a copy of the GNU General Public License</span> 00053 <a name="l00017"></a>00017 <span class="comment">along with QExtend. If not, see <http://www.gnu.org/licenses/>.</span> 00054 <a name="l00018"></a>00018 <span class="comment">*/</span> 00055 <a name="l00019"></a>00019 00056 <a name="l00020"></a>00020 <span class="preprocessor">#include <QtTest/QtTest></span> 00057 <a name="l00021"></a>00021 <span class="preprocessor">#include <QExtend/Core/ObjectPtr></span> 00058 <a name="l00022"></a>00022 00059 <a name="l00023"></a>00023 QString <span class="keyword">const</span> memberObjectName = QString::fromUtf8(<span class="stringliteral">"OBJ_TEST"</span>); 00060 <a name="l00024"></a>00024 00061 <a name="l00025"></a><a class="code" href="classtest_object_ptr.php">00025</a> <span class="keyword">class </span><a class="code" href="classtest_object_ptr.php">testObjectPtr</a>: <span class="keyword">public</span> QObject 00062 <a name="l00026"></a>00026 { 00063 <a name="l00027"></a>00027 Q_OBJECT 00064 <a name="l00028"></a>00028 <a class="code" href="class_q_extend_1_1_object_ptr.php">QExtend::ObjectPtr<QObject></a> m_obj; 00065 <a name="l00029"></a>00029 <span class="keyword">private</span> slots: 00066 <a name="l00030"></a>00030 <span class="comment">//set name of the QObject member</span> 00067 <a name="l00031"></a>00031 <span class="keywordtype">void</span> initTestCase() 00068 <a name="l00032"></a>00032 { 00069 <a name="l00033"></a>00033 m_obj->setObjectName( memberObjectName ); 00070 <a name="l00034"></a>00034 } 00071 <a name="l00035"></a>00035 00072 <a name="l00036"></a>00036 <span class="comment">//verify if m_obj object is created</span> 00073 <a name="l00037"></a>00037 <span class="keywordtype">void</span> memberAutoCreate() 00074 <a name="l00038"></a>00038 { 00075 <a name="l00039"></a>00039 QVERIFY( ! m_obj.<a class="code" href="class_q_extend_1_1_object_ptr.php#aed4534e8c2ad39b88d1a7c2cf972a8b0" title="test si le pointeut est null.">isNull</a>() ); 00076 <a name="l00040"></a>00040 } 00077 <a name="l00041"></a>00041 00078 <a name="l00042"></a>00042 <span class="comment">//test pointer validity by a cast to bool in a if</span> 00079 <a name="l00043"></a>00043 <span class="keywordtype">void</span> castToBool() 00080 <a name="l00044"></a>00044 { 00081 <a name="l00045"></a>00045 <span class="keywordflow">if</span>(m_obj) 00082 <a name="l00046"></a>00046 { 00083 <a name="l00047"></a>00047 QVERIFY( <span class="keyword">true</span>); 00084 <a name="l00048"></a>00048 } 00085 <a name="l00049"></a>00049 <span class="keywordflow">else</span> 00086 <a name="l00050"></a>00050 { 00087 <a name="l00051"></a>00051 QVERIFY( <span class="keyword">false</span>); 00088 <a name="l00052"></a>00052 } 00089 <a name="l00053"></a>00053 } 00090 <a name="l00054"></a>00054 00091 <a name="l00055"></a>00055 <span class="comment">//test cast to pointer</span> 00092 <a name="l00056"></a>00056 <span class="keywordtype">void</span> castToPointer() 00093 <a name="l00057"></a>00057 { 00094 <a name="l00058"></a>00058 QVERIFY( static_cast<QObject *>(m_obj) != 0 ); 00095 <a name="l00059"></a>00059 } 00096 <a name="l00060"></a>00060 00097 <a name="l00061"></a>00061 <span class="comment">//test using like a pointer</span> 00098 <a name="l00062"></a>00062 <span class="keywordtype">void</span> useLikePointer() 00099 <a name="l00063"></a>00063 { 00100 <a name="l00064"></a>00064 QVERIFY(m_obj->objectName() == memberObjectName); 00101 <a name="l00065"></a>00065 } 00102 <a name="l00066"></a>00066 00103 <a name="l00067"></a>00067 <span class="comment">//test pointer deferencement</span> 00104 <a name="l00068"></a>00068 <span class="keywordtype">void</span> dereferencement() 00105 <a name="l00069"></a>00069 { 00106 <a name="l00070"></a>00070 QVERIFY((*m_obj).objectName() == memberObjectName); 00107 <a name="l00071"></a>00071 } 00108 <a name="l00072"></a>00072 00109 <a name="l00073"></a>00073 <span class="comment">//test SCOPE (default) policy </span> 00110 <a name="l00074"></a>00074 <span class="keywordtype">void</span> scopePolicy() 00111 <a name="l00075"></a>00075 { 00112 <a name="l00076"></a>00076 QWeakPointer<QObject> weakPtr; 00113 <a name="l00077"></a>00077 { 00114 <a name="l00078"></a>00078 <a class="code" href="class_q_extend_1_1_object_ptr.php">QExtend::ObjectPtr<QObject></a> tmp; 00115 <a name="l00079"></a>00079 weakPtr = <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00116 <a name="l00080"></a>00080 00117 <a name="l00081"></a>00081 }<span class="comment">//tmp should delete pointer</span> 00118 <a name="l00082"></a>00082 00119 <a name="l00083"></a>00083 QVERIFY( weakPtr.isNull() ); 00120 <a name="l00084"></a>00084 } 00121 <a name="l00085"></a>00085 <span class="comment">//test SCOPE (default) policy if object have been ever deleted.</span> 00122 <a name="l00086"></a>00086 <span class="keywordtype">void</span> scopePolicyWithObjectDeleted() 00123 <a name="l00087"></a>00087 { 00124 <a name="l00088"></a>00088 QWeakPointer<QObject> weakPtr; 00125 <a name="l00089"></a>00089 { 00126 <a name="l00090"></a>00090 <a class="code" href="class_q_extend_1_1_object_ptr.php">QExtend::ObjectPtr<QObject></a> tmp; 00127 <a name="l00091"></a>00091 weakPtr = <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00128 <a name="l00092"></a>00092 00129 <a name="l00093"></a>00093 <span class="keyword">delete</span> <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00130 <a name="l00094"></a>00094 00131 <a name="l00095"></a>00095 <span class="comment">//tmp become null</span> 00132 <a name="l00096"></a>00096 QVERIFY( tmp.<a class="code" href="class_q_extend_1_1_object_ptr.php#aed4534e8c2ad39b88d1a7c2cf972a8b0" title="test si le pointeut est null.">isNull</a>() ); 00133 <a name="l00097"></a>00097 }<span class="comment">//tmp destruction do nothing</span> 00134 <a name="l00098"></a>00098 QVERIFY( weakPtr.isNull() ); 00135 <a name="l00099"></a>00099 } 00136 <a name="l00100"></a>00100 00137 <a name="l00101"></a>00101 <span class="comment">//test NOPARENT (default) policy when object haven't a parent</span> 00138 <a name="l00102"></a>00102 <span class="keywordtype">void</span> noparentPolicyWithoutParent() 00139 <a name="l00103"></a>00103 { 00140 <a name="l00104"></a>00104 QWeakPointer<QObject> weakPtr; 00141 <a name="l00105"></a>00105 { 00142 <a name="l00106"></a>00106 <a class="code" href="class_q_extend_1_1_object_ptr.php" title="Pointeur intelligent pou rles QObject qui créé un objet et synchronise sa durée de vie...">QExtend::ObjectPtr<QObject , QExtend::NOPARENT></a> tmp; 00143 <a name="l00107"></a>00107 weakPtr = <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00144 <a name="l00108"></a>00108 }<span class="comment">//tmp should delete the object</span> 00145 <a name="l00109"></a>00109 00146 <a name="l00110"></a>00110 QVERIFY( weakPtr.isNull() ); 00147 <a name="l00111"></a>00111 } 00148 <a name="l00112"></a>00112 00149 <a name="l00113"></a>00113 <span class="comment">//test NOPARENT (default) policy when object have a parent</span> 00150 <a name="l00114"></a>00114 <span class="keywordtype">void</span> noparentPolicyWithParent() 00151 <a name="l00115"></a>00115 { 00152 <a name="l00116"></a>00116 QObject parent; 00153 <a name="l00117"></a>00117 QWeakPointer<QObject> weakPtr; 00154 <a name="l00118"></a>00118 { 00155 <a name="l00119"></a>00119 <a class="code" href="class_q_extend_1_1_object_ptr.php" title="Pointeur intelligent pou rles QObject qui créé un objet et synchronise sa durée de vie...">QExtend::ObjectPtr< QObject , QExtend::NOPARENT ></a> tmp(&parent); 00156 <a name="l00120"></a>00120 weakPtr = <span class="keyword">static_cast<</span> QObject * <span class="keyword">></span>(tmp); 00157 <a name="l00121"></a>00121 00158 <a name="l00122"></a>00122 }<span class="comment">//tmp shouldn't delete obj</span> 00159 <a name="l00123"></a>00123 QVERIFY( ! weakPtr.isNull() ); 00160 <a name="l00124"></a>00124 00161 <a name="l00125"></a>00125 } 00162 <a name="l00126"></a>00126 00163 <a name="l00127"></a>00127 <span class="comment">//test SCOPE (default) policy if object have been ever deleted.</span> 00164 <a name="l00128"></a>00128 <span class="keywordtype">void</span> noparentPolicyWithObjectDeleted() 00165 <a name="l00129"></a>00129 { 00166 <a name="l00130"></a>00130 QWeakPointer<QObject> weakPtr; 00167 <a name="l00131"></a>00131 { 00168 <a name="l00132"></a>00132 <a class="code" href="class_q_extend_1_1_object_ptr.php" title="Pointeur intelligent pou rles QObject qui créé un objet et synchronise sa durée de vie...">QExtend::ObjectPtr<QObject , QExtend::NOPARENT></a> tmp; 00169 <a name="l00133"></a>00133 weakPtr = <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00170 <a name="l00134"></a>00134 00171 <a name="l00135"></a>00135 <span class="keyword">delete</span> <span class="keyword">static_cast<</span>QObject *<span class="keyword">></span>(tmp); 00172 <a name="l00136"></a>00136 00173 <a name="l00137"></a>00137 <span class="comment">//tmp become null</span> 00174 <a name="l00138"></a>00138 QVERIFY( tmp.<a class="code" href="class_q_extend_1_1_object_ptr.php#aed4534e8c2ad39b88d1a7c2cf972a8b0" title="test si le pointeut est null.">isNull</a>() ); 00175 <a name="l00139"></a>00139 }<span class="comment">//tmp destruction do nothing</span> 00176 <a name="l00140"></a>00140 QVERIFY( weakPtr.isNull() ); 00177 <a name="l00141"></a>00141 } 00178 <a name="l00142"></a>00142 00179 <a name="l00143"></a>00143 }; 00180 <a name="l00144"></a>00144 00181 <a name="l00145"></a>00145 00182 <a name="l00146"></a>00146 00183 <a name="l00147"></a>00147 QTEST_MAIN(<a class="code" href="classtest_object_ptr.php">testObjectPtr</a>) 00184 <a name="l00148"></a>00148 <span class="preprocessor">#include "objectptr.moc"</span> 00185 </pre></div></div> 00186 </div> 00187 <?php 00188 echo utf8_decode(ob_get_clean()); 00189 include($_SERVER["DOCUMENT_ROOT"]."/template/pied.php"); 00190 ?>
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