--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/doc_src_qsignalspy.qdoc	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QCheckBox *box = ...;
+QSignalSpy spy(box, SIGNAL(clicked(bool)));
+
+// do something that triggers the signal
+box->animateClick();
+
+QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time
+QList<QVariant> arguments = spy.takeFirst(); // take the first signal
+
+QVERIFY(arguments.at(0).toBool() == true); // verify the first argument
+//! [0]
+
+
+//! [1]
+QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int, QString, double)));
+
+myCustomObject->doSomething(); // trigger emission of the signal
+
+QList<QVariant> arguments = spy.takeFirst();
+QVERIFY(arguments.at(0).type() == QVariant::Int);
+QVERIFY(arguments.at(1).type() == QVariant::QString);
+QVERIFY(arguments.at(2).type() == QVariant::double);
+//! [1]
+
+
+//! [2]
+qRegisterMetaType<QModelIndex>("QModelIndex");
+QSignalSpy spy(&model, SIGNAL(whatever(QModelIndex)));
+//! [2]
+
+
+//! [3]
+// get the first argument from the first received signal:
+QModelIndex result = qvariant_cast<QModelIndex>(spy.at(0).at(0));
+//! [3]
+
+
+//! [4]
+QSignalSpy spy(myPushButton, SIGNAL(clicked(bool)));
+//! [4]