Add convenience macro for fast connects in declarative.

We already follow this pattern several places, so
this commit creates a convenience macro for it, and replaces
previous usage where appropriate. Also adds the macro
several places as further optimization.

Change-Id: Ieff5ed6cc51c34d0a1c8aa42ac40314ea243477a
Reviewed-on: http://codereview.qt-project.org/5342
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>

2 files changed, 115 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativecpputils/qdeclarativecpputils.pro b/tests/auto/declarative/qdeclarativecpputils/qdeclarativecpputils.pro
new file mode 100644
index 0000000000..aa7ca093de
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativecpputils/qdeclarativecpputils.pro
@@ -0,0 +1,9 @@
+load(qttest_p4)
+contains(QT_CONFIG,declarative): QT += declarative
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qdeclarativecpputils.cpp
+
+CONFIG += parallel_test
+
+QT += core-private gui-private declarative-private
diff --git a/tests/auto/declarative/qdeclarativecpputils/tst_qdeclarativecpputils.cpp b/tests/auto/declarative/qdeclarativecpputils/tst_qdeclarativecpputils.cpp
new file mode 100644
index 0000000000..d72e6d3290
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativecpputils/tst_qdeclarativecpputils.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qtest.h>
+#include <qsignalspy.h>
+#include <private/qdeclarativeglobal_p.h>
+
+class tst_qdeclarativecpputils : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativecpputils() {}
+
+private slots:
+    void fastConnect();
+};
+
+class MyObject : public QObject {
+    Q_OBJECT
+public:
+    MyObject() : slotCount(0) {}
+    friend class tst_qdeclarativecpputils;
+
+    int slotCount;
+
+signals:
+    void signal1();
+    void signal2();
+
+public slots:
+    void slot1() { slotCount++; }
+};
+
+void tst_qdeclarativecpputils::fastConnect()
+{
+    {
+        MyObject *obj = new MyObject;
+        FAST_CONNECT(obj, SIGNAL(signal1()), obj, SLOT(slot1()));
+
+        obj->signal1();
+        QCOMPARE(obj->slotCount, 1);
+
+        delete obj;
+    }
+
+    {
+        MyObject obj;
+        FAST_CONNECT(&obj, SIGNAL(signal1()), &obj, SLOT(slot1()))
+
+        obj.signal1();
+        QCOMPARE(obj.slotCount, 1);
+    }
+
+    {
+        MyObject *obj = new MyObject;
+        QSignalSpy spy(obj, SIGNAL(signal2()));
+        FAST_CONNECT(obj, SIGNAL(signal1()), obj, SIGNAL(signal2()));
+
+        obj->signal1();
+        QCOMPARE(spy.count(), 1);
+
+        delete obj;
+    }
+}
+
+QTEST_MAIN(tst_qdeclarativecpputils)
+
+#include "tst_qdeclarativecpputils.moc"