public void ExcelPackageHelper_ColumnChar()
{
//arrange
Dictionary <int, string> expectedValues = new Dictionary <int, string>()
{
{ 1, "A" },
{ 2, "B" },
{ 25, "Y" },
{ 26, "Z" },
{ 27, "AA" },
{ 28, "AB" }
};
//act
//assert
foreach (KeyValuePair <int, string> expectedValue in expectedValues)
{
Assert.AreEqual(expectedValue.Value, ExcelPackageHelper.ColumnChar(expectedValue.Key));
}
}