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#include <QtTest/QtTest>
#include <QLinkedList>

class tst_QLinkedList : public QObject
{
    Q_OBJECT
private slots:
    void eraseValidIteratorsOnSharedList() const;
    void insertWithIteratorsOnSharedList() const;
};

void tst_QLinkedList::eraseValidIteratorsOnSharedList() const
{
    QLinkedList<int> a, b;
    a.append(5);
    a.append(10);
    a.append(20);
    a.append(20);
    a.append(20);
    a.append(20);
    a.append(30);

    QLinkedList<int>::iterator i = a.begin();
    ++i;
    ++i;
    ++i;
    b = a;
    QLinkedList<int>::iterator r = a.erase(i);
    QCOMPARE(b.size(), 7);
    QCOMPARE(a.size(), 6);
    --r;
    --r;
    QCOMPARE(*r, 10); // Ensure that number 2 instance was removed;
}

void tst_QLinkedList::insertWithIteratorsOnSharedList() const
{
    QLinkedList<int> a, b;
    a.append(5);
    a.append(10);
    a.append(20);
    QLinkedList<int>::iterator i = a.begin();
    ++i;
    ++i;
    b = a;

    QLinkedList<int>::iterator i2 = a.insert(i, 15);
    QCOMPARE(b.size(), 3);
    QCOMPARE(a.size(), 4);
    --i2;
    QCOMPARE(*i2, 10);
}

QTEST_MAIN(tst_QLinkedList)
#include "tst_qlinkedlist.moc"