Long live Qt 4.5!

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diff --git a/src/testlib/qsignalspy.h b/src/testlib/qsignalspy.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtTest module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIGNALSPY_H
+#define QSIGNALSPY_H
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qmetaobject.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Test)
+
+class QVariant;
+
+/* ### Qt5: change the class to use regular BC mechanisms, such that we can
+ * implement things like suggested in task 160192. */
+class QSignalSpy: public QObject, public QList<QList<QVariant> >
+{
+public:
+    QSignalSpy(QObject *obj, const char *aSignal)
+    {
+#ifdef Q_CC_BOR
+        const int memberOffset = QObject::staticMetaObject.methodCount();
+#else
+        static const int memberOffset = QObject::staticMetaObject.methodCount();
+#endif
+        Q_ASSERT(obj);
+        Q_ASSERT(aSignal);
+
+        if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
+            qWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
+            return;
+        }
+
+        QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
+        const QMetaObject *mo = obj->metaObject();
+        int sigIndex = mo->indexOfMethod(ba.constData());
+        if (sigIndex < 0) {
+            qWarning("QSignalSpy: No such signal: '%s'", ba.constData());
+            return;
+        }
+
+        if (!QMetaObject::connect(obj, sigIndex, this, memberOffset,
+                    Qt::DirectConnection, 0)) {
+            qWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
+            return;
+        }
+        sig = ba;
+        initArgs(mo->method(sigIndex));
+    }
+
+    inline bool isValid() const { return !sig.isEmpty(); }
+    inline QByteArray signal() const { return sig; }
+
+
+    int qt_metacall(QMetaObject::Call call, int methodId, void **a)
+    {
+        methodId = QObject::qt_metacall(call, methodId, a);
+        if (methodId < 0)
+            return methodId;
+
+        if (call == QMetaObject::InvokeMetaMethod) {
+            if (methodId == 0) {
+                appendArgs(a);
+            }
+            --methodId;
+        }
+        return methodId;
+    }
+
+private:
+    void initArgs(const QMetaMethod &member)
+    {
+        QList<QByteArray> params = member.parameterTypes();
+        for (int i = 0; i < params.count(); ++i) {
+            int tp = QMetaType::type(params.at(i).constData());
+            if (tp == QMetaType::Void)
+                qWarning("Don't know how to handle '%s', use qRegisterMetaType to register it.",
+                         params.at(i).constData());
+            args << tp;
+        }
+    }
+
+    void appendArgs(void **a)
+    {
+        QList<QVariant> list;
+        for (int i = 0; i < args.count(); ++i) {
+            QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
+            list << QVariant(type, a[i + 1]);
+        }
+        append(list);
+    }
+
+    // the full, normalized signal name
+    QByteArray sig;
+    // holds the QMetaType types for the argument list of the signal
+    QList<int> args;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif