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#include <QtTest/QtTest>

#include <QtScript/qscriptengine.h>
#include <QtScript/qscriptstring.h>

//TESTED_CLASS=
//TESTED_FILES=

class tst_QScriptString : public QObject
{
    Q_OBJECT

public:
    tst_QScriptString();
    virtual ~tst_QScriptString();

private slots:
    void test();
    void hash();
};

tst_QScriptString::tst_QScriptString()
{
}

tst_QScriptString::~tst_QScriptString()
{
}

void tst_QScriptString::test()
{
    QScriptEngine eng;

    {
        QScriptString str;
        QVERIFY(!str.isValid());
        QVERIFY(str == str);
        QVERIFY(!(str != str));
        QVERIFY(str.toString().isNull());

        QScriptString str1(str);
        QVERIFY(!str1.isValid());

        QScriptString str2 = str;
        QVERIFY(!str2.isValid());
    }

    for (int x = 0; x < 2; ++x) {
        QString ciao = QString::fromLatin1("ciao");
        QScriptString str = eng.toStringHandle(ciao);
        QVERIFY(str.isValid());
        QVERIFY(str == str);
        QVERIFY(!(str != str));
        QCOMPARE(str.toString(), ciao);

        QScriptString str1(str);
        QCOMPARE(str, str1);

        QScriptString str2 = str;
        QCOMPARE(str, str2);

        QScriptString str3 = eng.toStringHandle(ciao);
        QVERIFY(str3.isValid());
        QCOMPARE(str, str3);

        eng.collectGarbage();

        QVERIFY(str.isValid());
        QCOMPARE(str.toString(), ciao);
        QVERIFY(str1.isValid());
        QCOMPARE(str1.toString(), ciao);
        QVERIFY(str2.isValid());
        QCOMPARE(str2.toString(), ciao);
        QVERIFY(str3.isValid());
        QCOMPARE(str3.toString(), ciao);
    }

    {
        QScriptEngine *eng2 = new QScriptEngine;
        QString one = QString::fromLatin1("one");
        QString two = QString::fromLatin1("two");
        QScriptString oneInterned = eng2->toStringHandle(one);
        QCOMPARE(oneInterned.toString(), one);
        QScriptString twoInterned = eng2->toStringHandle(two);
        QCOMPARE(twoInterned.toString(), two);
        QVERIFY(oneInterned != twoInterned);
        QVERIFY(!(oneInterned == twoInterned));
        QScriptString copy1(oneInterned);
        QScriptString copy2 = oneInterned;

        delete eng2;

        QVERIFY(!oneInterned.isValid());
        QVERIFY(!twoInterned.isValid());
        QVERIFY(!copy1.isValid());
        QVERIFY(!copy2.isValid());
    }
}

void tst_QScriptString::hash()
{
    QScriptEngine engine;
    QHash<QScriptString, int> stringToInt;
    QScriptString foo = engine.toStringHandle("foo");
    QScriptString bar = engine.toStringHandle("bar");
    QVERIFY(!stringToInt.contains(foo));
    for (int i = 0; i < 1000000; ++i)
        stringToInt.insert(foo, 123);
    QCOMPARE(stringToInt.value(foo), 123);
    QVERIFY(!stringToInt.contains(bar));
    stringToInt.insert(bar, 456);
    QCOMPARE(stringToInt.value(bar), 456);
    QCOMPARE(stringToInt.value(foo), 123);
}

QTEST_MAIN(tst_QScriptString)
#include "tst_qscriptstring.moc"
