public void GetValueOrDefault()
{
Assert.AreEqual(new CloneableType("five"), _array.GetValueOrDefault(4));
Assert.AreEqual(new CloneableType("two"), _array.GetValueOrDefault(0, 1));
Assert.AreEqual(new CloneableType("four"), _array.GetValueOrDefault(1, 0));
Assert.AreEqual(null, _array.GetValueOrDefault(-1));
Assert.AreEqual(null, _array.GetValueOrDefault(6));
Assert.AreEqual(null, _array.GetValueOrDefault(3, 0));
StringArray array = new StringArray(2, 3, 4);
array.SetValue(new CloneableType("foo"), 1, 2, 3);
Assert.AreEqual(new CloneableType("foo"), array.GetValueOrDefault(1, 2, 3));
Assert.AreEqual(null, array.GetValueOrDefault(1, 3, 3));
}