From daf671b42241533a2db1e598487256d616edf290 Mon Sep 17 00:00:00 2001
From: Charles Yin <charles.yin@nokia.com>
Date: Fri, 20 May 2011 11:57:29 +1000
Subject: Integrate QtQuickTest into Qt

Change-Id: I558821c0dec9166ea1d0d2e1e2f889553c436316
Task-number:QTBUG-16082
---
 src/imports/testlib/SignalSpy.qml | 109 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/imports/testlib/SignalSpy.qml

(limited to 'src/imports/testlib/SignalSpy.qml')

diff --git a/src/imports/testlib/SignalSpy.qml b/src/imports/testlib/SignalSpy.qml
new file mode 100644
index 0000000000..676412998b
--- /dev/null
+++ b/src/imports/testlib/SignalSpy.qml
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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 test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Item {
+    id: spy
+    visible: false
+
+    // Public API.
+
+    property variant target: null
+    property string signalName: ""
+    property int count: 0
+
+    function clear() {
+        count = 0
+        qtest_expectedCount = 0
+    }
+
+    function wait(timeout) {
+        if (timeout === undefined)
+            timeout = 5000
+        var expected = ++qtest_expectedCount
+        var i = 0
+        while (i < timeout && count < expected) {
+            qtest_results.wait(50)
+            i += 50
+        }
+        var success = (count >= expected)
+        if (!qtest_results.verify(success, "wait for signal " + signalName, Qt.qtest_caller_file(), Qt.qtest_caller_line()))
+            throw new Error("QtQuickTest::fail")
+    }
+
+    // Internal implementation detail follows.
+
+    TestResult { id: qtest_results }
+
+    onTargetChanged: {
+        qtest_update()
+    }
+    onSignalNameChanged: {
+        qtest_update()
+    }
+
+    property variant qtest_prevTarget: null
+    property string qtest_prevSignalName: ""
+    property int qtest_expectedCount: 0
+
+    function qtest_update() {
+        if (qtest_prevTarget != null) {
+            qtest_prevTarget[qtest_prevSignalName].disconnect(spy, "qtest_activated")
+            qtest_prevTarget = null
+            qtest_prevSignalName = ""
+        }
+        if (target != null && signalName != "") {
+            var func = target[signalName]
+            if (func === undefined) {
+                console.log("Signal '" + signalName + "' not found")
+            } else {
+                qtest_prevTarget = target
+                qtest_prevSignalName = signalName
+                func.connect(spy.qtest_activated)
+            }
+        }
+    }
+
+    function qtest_activated() {
+        ++count
+    }
+}
-- 
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