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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the documentation of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 //! [0] |
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43 QCheckBox *box = ...; |
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44 QSignalSpy spy(box, SIGNAL(clicked(bool))); |
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45 |
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46 // do something that triggers the signal |
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47 box->animateClick(); |
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48 |
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49 QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time |
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50 QList<QVariant> arguments = spy.takeFirst(); // take the first signal |
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51 |
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52 QVERIFY(arguments.at(0).toBool() == true); // verify the first argument |
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53 //! [0] |
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54 |
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55 |
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56 //! [1] |
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57 QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int, QString, double))); |
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58 |
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59 myCustomObject->doSomething(); // trigger emission of the signal |
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60 |
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61 QList<QVariant> arguments = spy.takeFirst(); |
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62 QVERIFY(arguments.at(0).type() == QVariant::Int); |
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63 QVERIFY(arguments.at(1).type() == QVariant::QString); |
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64 QVERIFY(arguments.at(2).type() == QVariant::double); |
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65 //! [1] |
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66 |
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67 |
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68 //! [2] |
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69 qRegisterMetaType<QModelIndex>("QModelIndex"); |
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70 QSignalSpy spy(&model, SIGNAL(whatever(QModelIndex))); |
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71 //! [2] |
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72 |
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73 |
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74 //! [3] |
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75 // get the first argument from the first received signal: |
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76 QModelIndex result = qvariant_cast<QModelIndex>(spy.at(0).at(0)); |
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77 //! [3] |
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78 |
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79 |
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80 //! [4] |
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81 QSignalSpy spy(myPushButton, SIGNAL(clicked(bool))); |
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82 //! [4] |