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#include <qtest.h>

#include <QtScript>

//TESTED_FILES=

class tst_QScriptEngine : public QObject

{

    Q_OBJECT

public:

    tst_QScriptEngine();

    virtual ~tst_QScriptEngine();

public slots:

    void init();

    void cleanup();

private slots:

    void constructor();

    void evaluate_data();

    void evaluate();

    void connectAndDisconnect();

    void newObject();

    void newQObject();

    void newFunction();

    void newVariant();

    void collectGarbage();

    void pushAndPopContext();

    void toStringHandle();

    void castValueToQreal();

    void nativeCall();

};

tst_QScriptEngine::tst_QScriptEngine()

{

}

tst_QScriptEngine::~tst_QScriptEngine()

{

}

void tst_QScriptEngine::init()

{

}

void tst_QScriptEngine::cleanup()

{

}

void tst_QScriptEngine::constructor()

{

    QBENCHMARK {

        QScriptEngine engine;

        (void)engine.parent();

    }

}

void tst_QScriptEngine::evaluate_data()

{

    QTest::addColumn<QString>("code");

    QTest::newRow("empty script") << QString::fromLatin1("");

    QTest::newRow("number literal") << QString::fromLatin1("123");

    QTest::newRow("string literal") << QString::fromLatin1("'ciao'");

    QTest::newRow("regexp literal") << QString::fromLatin1("/foo/gim");

    QTest::newRow("null literal") << QString::fromLatin1("null");

    QTest::newRow("undefined literal") << QString::fromLatin1("undefined");

    QTest::newRow("null literal") << QString::fromLatin1("null");

    QTest::newRow("empty object literal") << QString::fromLatin1("{}");

    QTest::newRow("this") << QString::fromLatin1("this");

    QTest::newRow("object literal with one property") << QString::fromLatin1("{ foo: 123 }");

    QTest::newRow("object literal with two properties") << QString::fromLatin1("{ foo: 123, bar: 456 }");

    QTest::newRow("object literal with many properties") << QString::fromLatin1("{ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10 }");

    QTest::newRow("empty array literal") << QString::fromLatin1("[]");

    QTest::newRow("array literal with one element") << QString::fromLatin1("[1]");

    QTest::newRow("array literal with two elements") << QString::fromLatin1("[1,2]");

    QTest::newRow("array literal with many elements") << QString::fromLatin1("[1,2,3,4,5,6,7,8,9,10,9,8,7,6,5,4,3,2,1]");

    QTest::newRow("empty function definition") << QString::fromLatin1("function foo() { }");

    QTest::newRow("function definition") << QString::fromLatin1("function foo() { return 123; }");

    QTest::newRow("for loop with empty body (1000 iterations)") << QString::fromLatin1("for (i = 0; i < 1000; ++i) {}");

    QTest::newRow("for loop with empty body (10000 iterations)") << QString::fromLatin1("for (i = 0; i < 10000; ++i) {}");

    QTest::newRow("for loop with empty body (100000 iterations)") << QString::fromLatin1("for (i = 0; i < 100000; ++i) {}");

    QTest::newRow("for loop with empty body (1000000 iterations)") << QString::fromLatin1("for (i = 0; i < 1000000; ++i) {}");

    QTest::newRow("for loop (1000 iterations)") << QString::fromLatin1("j = 0; for (i = 0; i < 1000; ++i) { j += i; }; j");

    QTest::newRow("for loop (10000 iterations)") << QString::fromLatin1("j = 0; for (i = 0; i < 10000; ++i) { j += i; }; j");

    QTest::newRow("for loop (100000 iterations)") << QString::fromLatin1("j = 0; for (i = 0; i < 100000; ++i) { j += i; }; j");

    QTest::newRow("for loop (1000000 iterations)") << QString::fromLatin1("j = 0; for (i = 0; i < 1000000; ++i) { j += i; }; j");

    QTest::newRow("assignments") << QString::fromLatin1("a = 1; b = 2; c = 3; d = 4");

    QTest::newRow("while loop (1000 iterations)") << QString::fromLatin1("i = 0; while (i < 1000) { ++i; }; i");

    QTest::newRow("while loop (10000 iterations)") << QString::fromLatin1("i = 0; while (i < 10000) { ++i; }; i");

    QTest::newRow("while loop (100000 iterations)") << QString::fromLatin1("i = 0; while (i < 100000) { ++i; }; i");

    QTest::newRow("while loop (1000000 iterations)") << QString::fromLatin1("i = 0; while (i < 1000000) { ++i; }; i");

    QTest::newRow("function expression") << QString::fromLatin1("(function(a, b, c){ return a + b + c; })(1, 2, 3)");

}

void tst_QScriptEngine::evaluate()

{

    QFETCH(QString, code);

    QScriptEngine engine;

    QBENCHMARK {

        (void)engine.evaluate(code);

    }

}

void tst_QScriptEngine::connectAndDisconnect()

{

    QScriptEngine engine;

    QScriptValue fun = engine.evaluate("(function() { })");

    QBENCHMARK {

        qScriptConnect(&engine, SIGNAL(destroyed()), QScriptValue(), fun);

        qScriptDisconnect(&engine, SIGNAL(destroyed()), QScriptValue(), fun);

    }

}

void tst_QScriptEngine::newObject()

{

    QScriptEngine engine;

    QBENCHMARK {

        (void)engine.newObject();

    }

}

void tst_QScriptEngine::newQObject()

{

    QScriptEngine engine;

    QBENCHMARK {

        (void)engine.newQObject(QCoreApplication::instance());

    }

}

static QScriptValue testFunction(QScriptContext *, QScriptEngine *)

{

    return 0;

}

void tst_QScriptEngine::newFunction()

{

    QScriptEngine engine;

    QBENCHMARK {

        (void)engine.newFunction(testFunction);

    }

}

void tst_QScriptEngine::newVariant()

{

    QScriptEngine engine;

    QVariant var(123);

    QBENCHMARK {

        (void)engine.newVariant(var);

    }

}

void tst_QScriptEngine::collectGarbage()

{

    QScriptEngine engine;

    QBENCHMARK {

        engine.collectGarbage();

    }

}

void tst_QScriptEngine::pushAndPopContext()

{

    QScriptEngine engine;

    QBENCHMARK {

        (void)engine.pushContext();

        engine.popContext();

    }

}

void tst_QScriptEngine::toStringHandle()

{

    QScriptEngine engine;

    QString str = QString::fromLatin1("foobarbaz");

    QBENCHMARK {

        (void)engine.toStringHandle(str);

    }

}

void tst_QScriptEngine::castValueToQreal()

{

    QScriptEngine engine;

    QScriptValue val(123);

    QBENCHMARK {

        (void)qscriptvalue_cast<qreal>(val);

    }

}

static QScriptValue native_function(QScriptContext *, QScriptEngine *)

{

    return 42;

}

void tst_QScriptEngine::nativeCall()

{

    QScriptEngine eng;

    eng.globalObject().setProperty("fun", eng.newFunction(native_function));

    QBENCHMARK{

        eng.evaluate("var w = 0; for (i = 0; i < 100000; ++i) {\n"

                     "  w += fun() + fun(); w -= fun(); fun(); w -= fun(); }");

    }

}

QTEST_MAIN(tst_QScriptEngine)

#include "tst_qscriptengine.moc"