/****************************************************************************

**

** Copyright (C) 2009 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 <QtTest/QtTest>

#include <qscriptengine.h>

#include <qscriptenginedebugger.h>

#include <qaction.h>

#include <qlineedit.h>

#include <qmainwindow.h>

#include <qmenu.h>

#include <qplaintextedit.h>

#include <qtoolbar.h>

//TESTED_CLASS=

//TESTED_FILES=

// Will try to wait for the condition while allowing event processing

#define QTRY_COMPARE(__expr, __expected) \

    do { \

        const int __step = 50; \

        const int __timeout = 5000; \

        if ((__expr) != (__expected)) { \

            QTest::qWait(0); \

        } \

        for (int __i = 0; __i < __timeout && ((__expr) != (__expected)); __i+=__step) { \

            QTest::qWait(__step); \

        } \

        QCOMPARE(__expr, __expected); \

    } while(0)

// Can't use QTest::qWait() because it causes event loop to hang on some platforms

static void qsWait(int ms)

{

    QTimer timer;

    timer.setSingleShot(true);

    timer.setInterval(ms);

    timer.start();

    QEventLoop loop;

    QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));

    loop.exec();

    QCoreApplication::processEvents();

}

class tst_QScriptEngineDebugger : public QObject

{

    Q_OBJECT

public:

    tst_QScriptEngineDebugger();

    virtual ~tst_QScriptEngineDebugger();

private slots:

    void attachAndDetach();

    void action();

    void widget();

    void standardObjects();

    void debuggerSignals();

    void consoleCommands();

    void multithreadedDebugging();

};

tst_QScriptEngineDebugger::tst_QScriptEngineDebugger()

{

}

tst_QScriptEngineDebugger::~tst_QScriptEngineDebugger()

{

}

void tst_QScriptEngineDebugger::attachAndDetach()

{

#if defined(Q_OS_WINCE) && _WIN32_WCE < 0x600

    QSKIP("skipped due to high mem usage until task 261062 is fixed", SkipAll);

#endif

    {

        QScriptEngineDebugger debugger;

        QCOMPARE(debugger.state(), QScriptEngineDebugger::SuspendedState);

        debugger.attachTo(0);

        QScriptEngine engine;

        debugger.attachTo(&engine);

        QCOMPARE(debugger.state(), QScriptEngineDebugger::SuspendedState);

    }

    {

        QScriptEngineDebugger debugger;

        QScriptEngine engine;

        QScriptValue oldPrint = engine.globalObject().property("print");

        QVERIFY(oldPrint.isFunction());

        QVERIFY(!engine.globalObject().property("__FILE__").isValid());

        QVERIFY(!engine.globalObject().property("__LINE__").isValid());

        debugger.attachTo(&engine);

        QVERIFY(engine.globalObject().property("__FILE__").isUndefined());

        QVERIFY(engine.globalObject().property("__LINE__").isNumber());

        QVERIFY(!engine.globalObject().property("print").strictlyEquals(oldPrint));

        debugger.detach();

        QVERIFY(engine.globalObject().property("print").strictlyEquals(oldPrint));

        QVERIFY(!engine.globalObject().property("__FILE__").isValid());

        QVERIFY(!engine.globalObject().property("__LINE__").isValid());

    }

    {

        QScriptEngineDebugger debugger;

        QScriptEngine engine;

        debugger.attachTo(&engine);

        debugger.detach();

        QScriptEngine engine2;

        debugger.attachTo(&engine2);

    }

    {

        QScriptEngineDebugger debugger;

        QScriptEngine engine;

        debugger.attachTo(&engine);

        debugger.detach();

        QScriptEngine engine2;

        debugger.attachTo(&engine2);

        debugger.detach();

    }

#ifndef Q_OS_WINCE // demands too much memory for WinCE

    {

        QScriptEngineDebugger debugger;

        QScriptEngine engine;

        debugger.attachTo(&engine);

        QScriptEngineDebugger debugger2;

        debugger2.attachTo(&engine);

    }

#endif

    {

        QScriptEngine *engine = new QScriptEngine;

        QScriptEngineDebugger debugger;

        debugger.attachTo(engine);

        delete engine;

        QScriptEngine engine2;

        debugger.attachTo(&engine2);

    }

}

void tst_QScriptEngineDebugger::action()

{

#if defined(Q_OS_WINCE) && _WIN32_WCE < 0x600

    QSKIP("skipped due to high mem usage until task 261062 is fixed", SkipAll);

#endif

    QScriptEngine engine;

    QScriptEngineDebugger debugger;

    debugger.attachTo(&engine);

    QList<QScriptEngineDebugger::DebuggerAction> actions;

    actions

        << QScriptEngineDebugger::InterruptAction

        << QScriptEngineDebugger::ContinueAction

        << QScriptEngineDebugger::StepIntoAction

        << QScriptEngineDebugger::StepOverAction

        << QScriptEngineDebugger::StepOutAction

        << QScriptEngineDebugger::RunToCursorAction

        << QScriptEngineDebugger::RunToNewScriptAction

        << QScriptEngineDebugger::ToggleBreakpointAction

        << QScriptEngineDebugger::ClearDebugOutputAction

        << QScriptEngineDebugger::ClearErrorLogAction

        << QScriptEngineDebugger::ClearConsoleAction

        << QScriptEngineDebugger::FindInScriptAction

        << QScriptEngineDebugger::FindNextInScriptAction

        << QScriptEngineDebugger::FindPreviousInScriptAction

        << QScriptEngineDebugger::GoToLineAction;

    QList<QAction*> lst;

    for (int i = 0; i < actions.size(); ++i) {

        QScriptEngineDebugger::DebuggerAction da = actions.at(i);

        QAction *act = debugger.action(da);

        QVERIFY(act != 0);

        QCOMPARE(act, debugger.action(da));

        QCOMPARE(act->parent(), (QObject*)&debugger);

        QVERIFY(lst.indexOf(act) == -1);

        lst.append(act);

    }

}

void tst_QScriptEngineDebugger::widget()

{

#if defined(Q_OS_WINCE) && _WIN32_WCE < 0x600

    QSKIP("skipped due to high mem usage until task 261062 is fixed", SkipAll);

#endif

    QScriptEngine engine;

    QScriptEngineDebugger debugger;

    debugger.attachTo(&engine);

    QList<QScriptEngineDebugger::DebuggerWidget> widgets;

    widgets

        << QScriptEngineDebugger::ConsoleWidget

        << QScriptEngineDebugger::StackWidget

        << QScriptEngineDebugger::ScriptsWidget

        << QScriptEngineDebugger::LocalsWidget

        << QScriptEngineDebugger::CodeWidget

        << QScriptEngineDebugger::CodeFinderWidget

        << QScriptEngineDebugger::BreakpointsWidget

        << QScriptEngineDebugger::DebugOutputWidget

        << QScriptEngineDebugger::ErrorLogWidget;

    QList<QWidget*> lst;

    for (int i = 0; i < widgets.size(); ++i) {

        QScriptEngineDebugger::DebuggerWidget dw = widgets.at(i);

        QWidget *wid = debugger.widget(dw);

        QVERIFY(wid != 0);

        QCOMPARE(wid, debugger.widget(dw));

        QVERIFY(lst.indexOf(wid) == -1);

        lst.append(wid);

        QCOMPARE(static_cast<QWidget *>(wid->parent()), (QWidget*)0);

    }

}

void tst_QScriptEngineDebugger::standardObjects()

{

#if defined(Q_OS_WINCE) && _WIN32_WCE < 0x600

    QSKIP("skipped due to high mem usage until task 261062 is fixed", SkipAll);

#endif

    QScriptEngine engine;

    QScriptEngineDebugger debugger;

    debugger.attachTo(&engine);

    QMainWindow *win = debugger.standardWindow();

    QCOMPARE(static_cast<QWidget *>(win->parent()), (QWidget*)0);

    QMenu *menu = debugger.createStandardMenu();

    QCOMPARE(static_cast<QWidget *>(menu->parent()), (QWidget*)0);

    QToolBar *toolBar = debugger.createStandardToolBar();

    QCOMPARE(static_cast<QWidget *>(toolBar->parent()), (QWidget*)0);

    QMenu *menu2 = debugger.createStandardMenu(win);

    QCOMPARE(static_cast<QWidget *>(menu2->parent()), (QWidget*)win);

    QVERIFY(menu2 != menu);

    QToolBar *toolBar2 = debugger.createStandardToolBar(win);

    QCOMPARE(static_cast<QWidget *>(toolBar2->parent()), (QWidget*)win);

    QVERIFY(toolBar2 != toolBar);

    delete menu;

    delete toolBar;

}

void tst_QScriptEngineDebugger::debuggerSignals()

{

#if defined(Q_OS_WINCE) && _WIN32_WCE < 0x600

    QSKIP("skipped due to high mem usage until task 261062 is fixed", SkipAll);

#endif

    QScriptEngine engine;

    QScriptEngineDebugger debugger;

    debugger.attachTo(&engine);

    debugger.setAutoShowStandardWindow(false);

    QSignalSpy evaluationSuspendedSpy(&debugger, SIGNAL(evaluationSuspended()));

    QSignalSpy evaluationResumedSpy(&debugger, SIGNAL(evaluationResumed()));

    QObject::connect(&debugger, SIGNAL(evaluationSuspended()),

                     debugger.action(QScriptEngineDebugger::ContinueAction),

                     SLOT(trigger()));

    engine.evaluate("123");

    QCOMPARE(evaluationSuspendedSpy.count(), 0);

    QCOMPARE(evaluationResumedSpy.count(), 0);

    engine.evaluate("debugger");

    QCoreApplication::processEvents();

    QCOMPARE(evaluationSuspendedSpy.count(), 1);

    QCOMPARE(evaluationResumedSpy.count(), 1);

}

static void executeConsoleCommand(QLineEdit *inputEdit, QPlainTextEdit *outputEdit,

                                  const QString &text)

{

    QString before = outputEdit->toPlainText();

    inputEdit->setText(text);

    QTest::keyPress(inputEdit, Qt::Key_Enter);

    const int delay = 100;

    qsWait(delay);

    QString after = outputEdit->toPlainText();

    int retryCount = 10;

LAgain:

    while ((before == after) && (retryCount != 0)) {

        qsWait(delay);

        after = outputEdit->toPlainText();

        --retryCount;

    }

    if (before != after) {

        before = after;

        qsWait(delay);

        after = outputEdit->toPlainText();

        if (before != after) {

            retryCount = 10;

            goto LAgain;

        }

    }

}

class DebuggerCommandExecutor : public QObject

{

    Q_OBJECT

public:

    DebuggerCommandExecutor(QLineEdit *inputEdit,

                            QPlainTextEdit *outputEdit,

                            const QString &text,

                            QObject *parent = 0)

        : QObject(parent), m_inputEdit(inputEdit),

          m_outputEdit(outputEdit), m_commands(text) {}

    DebuggerCommandExecutor(QLineEdit *inputEdit,

                            QPlainTextEdit *outputEdit,

                            const QStringList &commands,

                            QObject *parent = 0)

        : QObject(parent), m_inputEdit(inputEdit),

          m_outputEdit(outputEdit), m_commands(commands) {}

public Q_SLOTS:

    void execute() {

        for (int i = 0; i < m_commands.size(); ++i)

            executeConsoleCommand(m_inputEdit, m_outputEdit, m_commands.at(i));

    }

private:

    QLineEdit *m_inputEdit;

    QPlainTextEdit *m_outputEdit;

    QStringList m_commands;

};

void tst_QScriptEngineDebugger::consoleCommands()

{

    QSKIP("This test can hang / misbehave because of timing/event loop issues (task 241300)", SkipAll);

    QScriptEngine engine;

    QScriptEngineDebugger debugger;

    debugger.setAutoShowStandardWindow(false);

    debugger.attachTo(&engine);

    QWidget *consoleWidget = debugger.widget(QScriptEngineDebugger::ConsoleWidget);

    QLineEdit *inputEdit = qFindChild<QLineEdit*>(consoleWidget);

    QVERIFY(inputEdit != 0);

    QPlainTextEdit *outputEdit = qFindChild<QPlainTextEdit*>(consoleWidget);

    QVERIFY(outputEdit != 0);

    QVERIFY(outputEdit->toPlainText().startsWith("Welcome to the Qt Script debugger."));

    outputEdit->clear();

    // print()

    {

        QWidget *debugOutputWidget = debugger.widget(QScriptEngineDebugger::DebugOutputWidget);

        QPlainTextEdit *debugOutputEdit = qFindChild<QPlainTextEdit*>(debugOutputWidget);

        QVERIFY(debugOutputEdit != 0);

        QVERIFY(debugOutputEdit->toPlainText().isEmpty());

        executeConsoleCommand(inputEdit, outputEdit, "print('Test of debug output')");

        QCOMPARE(debugOutputEdit->toPlainText(), QString::fromLatin1("Test of debug output"));

        QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> print('Test of debug output')"));

    }

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info scripts");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info scripts\nNo scripts loaded."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".break foo.qs:123");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .break foo.qs:123\nBreakpoint 1: foo.qs, line 123."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".break 123");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .break 123\nNo script."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n1\tyes\tfoo.qs:123"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".disable 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .disable 1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n1\tno\tfoo.qs:123"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".disable 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .disable 1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".disable 123");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .disable 123\nNo breakpoint number 123."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".enable 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .enable 1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n1\tyes\tfoo.qs:123"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".enable 123");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .enable 123\nNo breakpoint number 123."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".condition 1 i > 456");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .condition 1 i > 456"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n1\tyes\tfoo.qs:123\n\tstop only if i > 456"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".condition 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .condition 1\nBreakpoint 1 now unconditional."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n1\tyes\tfoo.qs:123"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".condition 123");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .condition 123\nNo breakpoint number 123."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".ignore 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .ignore 1\nMissing argument (ignore-count)."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".ignore 1 10");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .ignore 1 10\nBreakpoint 1 will be ignored the next 10 time(s)."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".delete 1");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .delete 1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nNo breakpoints set."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".tbreak bar.qs:456");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .tbreak bar.qs:456\nBreakpoint 2: bar.qs, line 456."));

    {

        QString script;

        script.append("function foo(i) {\n");

        for (int i = 0; i < 100; ++i)

            script.append(QString::fromLatin1("    i = i + %0;\n").arg(i));

        script.append("    return i;\n}");

        engine.evaluate(script, "foo.qs");

    }

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info scripts");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info scripts\n\tfoo.qs"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".list foo.qs");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .list foo.qs\n"

                                                            "1\tfunction foo(i) {\n"

                                                            "2\t    i = i + 0;\n"

                                                            "3\t    i = i + 1;\n"

                                                            "4\t    i = i + 2;\n"

                                                            "5\t    i = i + 3;\n"

                                                            "6\t    i = i + 4;\n"

                                                            "7\t    i = i + 5;\n"

                                                            "8\t    i = i + 6;\n"

                                                            "9\t    i = i + 7;\n"

                                                            "10\t    i = i + 8;"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".list");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .list\n"

                                                            "No script."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".backtrace");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .backtrace\n#0  <global>() at -1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".down");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .down\nAlready at bottom (innermost) frame."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".up");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .up\nAlready at top (outermost) frame."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".frame");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .frame\n#0  <global>() at -1"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".break foo.qs:789");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .break foo.qs:789\nBreakpoint 3: foo.qs, line 789."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".clear foo.qs:789");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .clear foo.qs:789\nDeleted breakpoint 3."));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info breakpoints");

    QCOMPARE(outputEdit->toPlainText(), QString::fromLatin1("qsdb> .info breakpoints\nId\tEnabled\tWhere\n2\tyes\tbar.qs:456"));

    outputEdit->clear();

    executeConsoleCommand(inputEdit, outputEdit, ".info locals");