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diff --git a/tests/auto/declarative/qdeclarativescriptdebugging/tst_qdeclarativescriptdebugging.cpp b/tests/auto/declarative/qdeclarativescriptdebugging/tst_qdeclarativescriptdebugging.cpp
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+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtDeclarative/qdeclarativecomponent.h>
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QtDeclarative/qdeclarativeitem.h>
+#include <QtDeclarative/qdeclarativecontext.h>
+#include <QtCore/QDir>
+#include <QtScript/QScriptEngineAgent>
+#include <private/qdeclarativeengine_p.h>
+
+class MyTestObject : public QObject {
+    Q_OBJECT
+    Q_PROPERTY(QString someProperty READ someProperty WRITE setSomeProperty NOTIFY somePropertyChanged)
+
+public:
+    QString someProperty() { return _someProperty; }
+    void setSomeProperty(const QString &p) { _someProperty = p; }
+    QString _someProperty;
+
+    void emitSignal(const QString &value) { emit signaled(value); }
+
+signals:
+    void signaled(const QString &value);
+    void somePropertyChanged();
+};
+
+
+class BtAgent : public QScriptEngineAgent {
+public:
+    BtAgent(QScriptEngine *engine) : QScriptEngineAgent(engine)
+    { count = 0; engine->setAgent(this); }
+
+    QStringList bt;
+    int count;
+    int breakpoint;
+    void positionChange(qint64 , int lineNumber, int )
+    {
+        if(lineNumber == breakpoint) {
+            count++;
+            bt = engine()->currentContext()->backtrace();
+        }
+    }
+};
+
+
+
+/*
+This test covers evaluation of ECMAScript expressions and bindings from within
+QML.  This does not include static QML language issues.
+
+Static QML language issues are covered in qmllanguage
+*/
+inline QUrl TEST_FILE(const QString &filename)
+{
+    QFileInfo fileInfo(__FILE__);
+    return QUrl::fromLocalFile(fileInfo.absoluteDir().filePath("data/" + filename));
+}
+
+inline QUrl TEST_FILE(const char *filename)
+{
+    return TEST_FILE(QLatin1String(filename));
+}
+
+class tst_qdeclarativescriptdebugging : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativescriptdebugging() {}
+
+private slots:
+    void initTestCase();
+    void backtrace1();
+};
+
+void tst_qdeclarativescriptdebugging::initTestCase()
+{
+        qmlRegisterType<MyTestObject>("Qt.test", 1,0, "MyTestObject");
+}
+
+void tst_qdeclarativescriptdebugging::backtrace1()
+{
+    {
+    QDeclarativeEngine engine;
+    QUrl file = TEST_FILE("backtrace1.qml");
+    QDeclarativeComponent component(&engine, file);
+    QDeclarativeItem *item = qobject_cast<QDeclarativeItem *>(component.create());
+    QVERIFY(item);
+    MyTestObject *obj = item->findChild<MyTestObject *>();
+    QVERIFY(obj);
+    QCOMPARE(obj->someProperty(), QString("Hello Default"));
+
+    QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(&engine);
+    BtAgent agent(&ep->scriptEngine);
+    agent.breakpoint = 16;
+
+    obj->emitSignal("blah");
+    QCOMPARE(obj->someProperty(), QString("Hello blahb"));
+    QCOMPARE(agent.count, 1);
+
+    QStringList expected;
+    expected << "append(a = 'Hello', b = 'blahb') at @PREFIX@/backtrace1.qml:16"
+             << "$someProperty() at @PREFIX@/backtrace1.qml:21"
+             << "function2InScript(a = 'blahb') at @PREFIX@/backtrace1.js:4"
+             << "functionInScript(a = 'blah', b = 'b') at @PREFIX@/backtrace1.js:10"
+             << "onSignaled() at @PREFIX@/backtrace1.qml:24"
+             << "<global>() at -1";
+    expected.replaceInStrings("@PREFIX@", file.toString().section('/', 0, -2));
+    QCOMPARE(agent.bt, expected);
+    }
+}
+
+
+QTEST_MAIN(tst_qdeclarativescriptdebugging)
+
+#include "tst_qdeclarativescriptdebugging.moc"