public void ExamplesInDescriptionTest()
{
Assert.AreEqual("A", GetExcelColumnTitle.GetColumnTitle(1));
Assert.AreEqual("Z", GetExcelColumnTitle.GetColumnTitle(26));
Assert.AreEqual("AZ", GetExcelColumnTitle.GetColumnTitle(52));
Assert.AreEqual("BA", GetExcelColumnTitle.GetColumnTitle(53));
Assert.AreEqual("ZZ", GetExcelColumnTitle.GetColumnTitle(702));
Assert.AreEqual("AYK", GetExcelColumnTitle.GetColumnTitle(1337));
Assert.AreEqual("XPEH", GetExcelColumnTitle.GetColumnTitle(432778));
}
public void zeroInputShouldThrowException()
{
Assert.Throws <Exception>(() => GetExcelColumnTitle.GetColumnTitle(0));
}