public void inserting_sould_work_properly()
{
QList <Person> list = new QList <Person>();
Int32 count = 100;
for (var i = 0; i < count; i++)
{
list.Add(PersonHelper.CreateTestPerson());
}
Person firstPerson = PersonHelper.CreateTestPerson();
list.Insert(0, firstPerson);
Person lastPerson = PersonHelper.CreateTestPerson();
list.Insert(list.Count, lastPerson);
Person middlePerson = PersonHelper.CreateTestPerson();
list.Insert(50, middlePerson);
Assert.IsTrue(list.IndexOf(firstPerson) >= 0);
Assert.IsTrue(list.IndexOf(lastPerson) >= 0);
Assert.IsTrue(list.IndexOf(middlePerson) >= 0);
Assert.AreEqual(count + 3, list.Items.Count());
}