public void TestCreateCellWithNumbers1()
{
for (int i = 1; i < 10; i++)
{
s.SetCellContents("A" + i, i);
}
List <object> list = new List <object>();
foreach (object t in s.GetNamesOfAllNonemptyCells())
{
list.Add(t);
}
Assert.IsTrue(list.Count == 9);
}