public void if_found_locations_than_Z_then_A_Z()
{
//26 is a-z
var foundKeyLocations = CreateLocations(26);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(2, letterDictionary.GetLetterPosition("B"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("Z"));
}
public void if_found_locations_greater_than_z_then_ZA()
{
// one more than z
var foundKeyLocations = CreateLocations(27);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(25, letterDictionary.GetLetterPosition("ZA"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(27, letterDictionary.GetLetterPosition("ZC"));
}
public void if_found_location_IsGreater_than_offsetKeyof_B_Then_Limit_dictionary()
{
// one more than z
var foundKeyLocations = CreateLocations(26 * 26 + 1);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual('B', letterDictionary.OffsetKey);
Assert.AreEqual("BZ", letterDictionary.LastKey);
}
public void if_found_location_53_then_YB()
{
// one more than z
var foundKeyLocations = CreateLocations(53);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(24, letterDictionary.GetLetterPosition("ZA"));
Assert.AreEqual(25, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(26, letterDictionary.GetLetterPosition("ZC"));
Assert.AreEqual(50, letterDictionary.GetLetterPosition("YA"));
Assert.AreEqual(51, letterDictionary.GetLetterPosition("YB"));
Assert.AreEqual(52, letterDictionary.GetLetterPosition("YC"));
Assert.AreEqual(53, letterDictionary.GetLetterPosition("YD"));
Assert.AreEqual("YD", letterDictionary.LastKey);
}
public void if_found_location_78_then_X()
{
// one more than z
var foundKeyLocations = CreateLocations(26 * 3 + 1);
var letterDictionary = new LetterReferenceDictionary(foundKeyLocations.Count);
foreach (var keyLocation in foundKeyLocations)
{
letterDictionary.AddSpan(keyLocation);
}
Assert.AreEqual(1, letterDictionary.GetLetterPosition("A"));
Assert.AreEqual(23, letterDictionary.GetLetterPosition("ZA")); // would have been x
Assert.AreEqual(24, letterDictionary.GetLetterPosition("ZB"));
Assert.AreEqual(51, letterDictionary.GetLetterPosition("YC"));
Assert.AreEqual(75, letterDictionary.GetLetterPosition("XA"));
Assert.AreEqual(76, letterDictionary.GetLetterPosition("XB"));
}
public int GetLetterPosition(string key)
{
return(letterLocationSpans.GetLetterPosition(key));
}