public void ExcelObjectCreation()
{
ObjHandle obj = new Vol();
object[,] range = new object[0, 0];
obj.Create("C", range);
Assert.AreEqual("C:0", obj.ToStringWithCounter());
Assert.AreEqual("C", obj.ToString());
obj.FinishMod();
Assert.AreEqual("C:1", obj.ToStringWithCounter());
}