tests/auto/qabstractmessagehandler/tst_qabstractmessagehandler.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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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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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
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
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    33 **
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include <QFile>
       
    44 #include <QtTest/QtTest>
       
    45 
       
    46 #ifdef QTEST_XMLPATTERNS
       
    47 #include <QtXmlPatterns/QAbstractMessageHandler>
       
    48 
       
    49 /* We expect these headers to be available. */
       
    50 #include <QtXmlPatterns/QAbstractMessageHandler>
       
    51 #include <QtXmlPatterns/qabstractmessagehandler.h>
       
    52 #include <QAbstractMessageHandler>
       
    53 #include <qabstractmessagehandler.h>
       
    54 
       
    55 /*!
       
    56  \class tst_QAbstractMessageHandler
       
    57  \internal
       
    58  \since 4.4
       
    59  \brief Tests the QAbstractMessageHandler class.
       
    60  */
       
    61 class tst_QAbstractMessageHandler : public QObject
       
    62 {
       
    63     Q_OBJECT
       
    64 
       
    65 private Q_SLOTS:
       
    66     void constructor() const;
       
    67     void constCorrectness() const;
       
    68     void message() const;
       
    69     void messageDefaultArguments() const;
       
    70     void objectSize() const;
       
    71     void hasQ_OBJECTMacro() const;
       
    72 };
       
    73 
       
    74 class Received
       
    75 {
       
    76 public:
       
    77     QtMsgType       type;
       
    78     QString         description;
       
    79     QUrl            identifier;
       
    80     QSourceLocation sourceLocation;
       
    81 
       
    82     bool operator==(const Received &other) const
       
    83     {
       
    84         return type == other.type
       
    85                && description == other.description
       
    86                && identifier == other.identifier
       
    87                && sourceLocation == other.sourceLocation;
       
    88     }
       
    89 };
       
    90 
       
    91 class TestMessageHandler : public QAbstractMessageHandler
       
    92 {
       
    93 public:
       
    94     QList<Received> received;
       
    95 
       
    96 protected:
       
    97     virtual void handleMessage(QtMsgType type, const QString &description, const QUrl &identifier, const QSourceLocation &sourceLocation);
       
    98 };
       
    99 
       
   100 void TestMessageHandler::handleMessage(QtMsgType type, const QString &description, const QUrl &identifier, const QSourceLocation &sourceLocation)
       
   101 {
       
   102     Received r;
       
   103     r.type = type;
       
   104     r.description = description;
       
   105     r.identifier = identifier;
       
   106     r.sourceLocation = sourceLocation;
       
   107     received.append(r);
       
   108 }
       
   109 
       
   110 void tst_QAbstractMessageHandler::constructor() const
       
   111 {
       
   112     /* Allocate instance. */
       
   113     {
       
   114         TestMessageHandler instance;
       
   115     }
       
   116 
       
   117     {
       
   118         TestMessageHandler instance1;
       
   119         TestMessageHandler instance2;
       
   120     }
       
   121 
       
   122     {
       
   123         TestMessageHandler instance1;
       
   124         TestMessageHandler instance2;
       
   125         TestMessageHandler instance3;
       
   126     }
       
   127 }
       
   128 
       
   129 void tst_QAbstractMessageHandler::constCorrectness() const
       
   130 {
       
   131     /* No members are supposed to be const. */
       
   132 }
       
   133 
       
   134 void tst_QAbstractMessageHandler::objectSize() const
       
   135 {
       
   136     /* We shouldn't be adding anything. */
       
   137     QCOMPARE(sizeof(QAbstractMessageHandler), sizeof(QObject));
       
   138 }
       
   139 
       
   140 void tst_QAbstractMessageHandler::message() const
       
   141 {
       
   142     TestMessageHandler handler;
       
   143 
       
   144     /* Check that the arguments comes out as expected. */
       
   145     handler.message(QtDebugMsg,
       
   146                     QLatin1String("A description"),
       
   147                     QUrl(QLatin1String("http://example.com/ID")),
       
   148                     QSourceLocation(QUrl(QLatin1String("http://example.com/Location")), 4, 5));
       
   149 
       
   150     Received expected;
       
   151     expected.type = QtDebugMsg;
       
   152     expected.description = QLatin1String("A description");
       
   153     expected.identifier = QUrl(QLatin1String("http://example.com/ID"));
       
   154     expected.sourceLocation = QSourceLocation(QUrl(QLatin1String("http://example.com/Location")), 4, 5);
       
   155 
       
   156     QCOMPARE(expected, handler.received.first());
       
   157 }
       
   158 
       
   159 void tst_QAbstractMessageHandler::messageDefaultArguments() const
       
   160 {
       
   161     TestMessageHandler handler;
       
   162 
       
   163     /* The three last arguments in message() are optional. Check that they are what we promise. */
       
   164     handler.message(QtDebugMsg, QLatin1String("A description"));
       
   165 
       
   166     Received expected;
       
   167     expected.type = QtDebugMsg;
       
   168     expected.description = QLatin1String("A description");
       
   169     expected.identifier = QUrl();
       
   170     expected.sourceLocation = QSourceLocation();
       
   171 
       
   172     QCOMPARE(expected, handler.received.first());
       
   173 }
       
   174 
       
   175 void tst_QAbstractMessageHandler::hasQ_OBJECTMacro() const
       
   176 {
       
   177     TestMessageHandler messageHandler;
       
   178     /* If this code fails to compile, the Q_OBJECT macro is missing in
       
   179      * the class declaration. */
       
   180     QAbstractMessageHandler *const secondPointer = qobject_cast<QAbstractMessageHandler *>(&messageHandler);
       
   181     /* The static_cast is for compiling on broken compilers. */
       
   182     QCOMPARE(static_cast<QAbstractMessageHandler *>(&messageHandler), secondPointer);
       
   183 }
       
   184 
       
   185 QTEST_MAIN(tst_QAbstractMessageHandler)
       
   186 
       
   187 #include "tst_qabstractmessagehandler.moc"
       
   188 #else
       
   189 QTEST_NOOP_MAIN
       
   190 #endif
       
   191 
       
   192 // vim: et:ts=4:sw=4:sts=4