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    41 #include <qtest.h>

    42 #include <QtDeclarative/qdeclarativecomponent.h>

    43 #include <QtDeclarative/qdeclarativeengine.h>

    44 #include <QtDeclarative/qdeclarativeitem.h>

    45 #include <QtDeclarative/qdeclarativecontext.h>

    46 #include <QtCore/QDir>

    47 #include <QtScript/QScriptEngineAgent>

    48 #include <private/qdeclarativeengine_p.h>

    49 

    50 class MyTestObject : public QObject {

    51     Q_OBJECT

    52     Q_PROPERTY(QString someProperty READ someProperty WRITE setSomeProperty NOTIFY somePropertyChanged)

    53 

    54 public:

    55     QString someProperty() { return _someProperty; }

    56     void setSomeProperty(const QString &p) { _someProperty = p; }

    57     QString _someProperty;

    58 

    59     void emitSignal(const QString &value) { emit signaled(value); }

    60 

    61 signals:

    62     void signaled(const QString &value);

    63     void somePropertyChanged();

    64 };

    65 

    66 

    67 class BtAgent : public QScriptEngineAgent {

    68 public:

    69     BtAgent(QScriptEngine *engine) : QScriptEngineAgent(engine)

    70     { count = 0; engine->setAgent(this); }

    71 

    72     QStringList bt;

    73     int count;

    74     int breakpoint;

    75     void positionChange(qint64 , int lineNumber, int )

    76     {

    77         if(lineNumber == breakpoint) {

    78             count++;

    79             bt = engine()->currentContext()->backtrace();

    80         }

    81     }

    82 };

    83 

    84 

    85 

    86 /*

    87 This test covers evaluation of ECMAScript expressions and bindings from within

    88 QML.  This does not include static QML language issues.

    89 

    90 Static QML language issues are covered in qmllanguage

    91 */

    92 inline QUrl TEST_FILE(const QString &filename)

    93 {

    94     QFileInfo fileInfo(__FILE__);

    95     return QUrl::fromLocalFile(fileInfo.absoluteDir().filePath("data/" + filename));

    96 }

    97 

    98 inline QUrl TEST_FILE(const char *filename)

    99 {

   100     return TEST_FILE(QLatin1String(filename));

   101 }

   102 

   103 class tst_qdeclarativescriptdebugging : public QObject

   104 {

   105     Q_OBJECT

   106 public:

   107     tst_qdeclarativescriptdebugging() {}

   108 

   109 private slots:

   110     void initTestCase();

   111     void backtrace1();

   112 };

   113 

   114 void tst_qdeclarativescriptdebugging::initTestCase()

   115 {

   116         qmlRegisterType<MyTestObject>("Qt.test", 1,0, "MyTestObject");

   117 }

   118 

   119 void tst_qdeclarativescriptdebugging::backtrace1()

   120 {

   121     {

   122     QDeclarativeEngine engine;

   123     QUrl file = TEST_FILE("backtrace1.qml");

   124     QDeclarativeComponent component(&engine, file);

   125     QDeclarativeItem *item = qobject_cast<QDeclarativeItem *>(component.create());

   126     QVERIFY(item);

   127     MyTestObject *obj = item->findChild<MyTestObject *>();

   128     QVERIFY(obj);

   129     QCOMPARE(obj->someProperty(), QString("Hello Default"));

   130 

   131     QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(&engine);

   132     BtAgent agent(&ep->scriptEngine);

   133     agent.breakpoint = 16;

   134 

   135     obj->emitSignal("blah");

   136     QCOMPARE(obj->someProperty(), QString("Hello blahb"));

   137     QCOMPARE(agent.count, 1);

   138 

   139     QStringList expected;

   140     expected << "append(a = 'Hello', b = 'blahb') at @PREFIX@/backtrace1.qml:16"

   141              << "$someProperty() at @PREFIX@/backtrace1.qml:21"

   142              << "function2InScript(a = 'blahb') at @PREFIX@/backtrace1.js:4"

   143              << "functionInScript(a = 'blah', b = 'b') at @PREFIX@/backtrace1.js:10"

   144              << "onSignaled() at @PREFIX@/backtrace1.qml:24"

   145              << "<global>() at -1";

   146     expected.replaceInStrings("@PREFIX@", file.toString().section('/', 0, -2));

   147     QCOMPARE(agent.bt, expected);

   148     }

   149 }

   150 

   151 

   152 QTEST_MAIN(tst_qdeclarativescriptdebugging)

   153 

   154 #include "tst_qdeclarativescriptdebugging.moc"