public void GetRowsIndex()
{
RangeRegion region = new RangeRegion();
region.Add(new Range(0, 0, 0, 0));
region.Add(new Range(2, 2, 2, 2));
int[] indexes = region.GetRowsIndex();
Assert.AreEqual(2, indexes.Length);
Assert.AreEqual(0, indexes[0]);
Assert.AreEqual(2, indexes[1]);
}