public void WhenContainsSpecialCharacters_RemoveThemAndReturnNextOfSequence()
{
var sequence = InfiniteAlphabetSequence.Generate("ab#c d*");
Assert.AreEqual("abce", sequence);
}
public void WhenStringEmpty_ReturnFirstAlphabetLetter()
{
var sequence = InfiniteAlphabetSequence.Generate("");
Assert.AreEqual("A", sequence);
}
public void WhenNotCapitalIfSequenceWithMoreThanOneCharacter_ReturnNextOfTheSequence()
{
var sequence = InfiniteAlphabetSequence.Generate("ghij");
Assert.AreEqual("ghik", sequence);
}
public void WhenNotCapitalAndIfSequenceWithOneCharacter_ReturnNextOfTheSequence()
{
var sequence = InfiniteAlphabetSequence.Generate("g");
Assert.AreEqual("h", sequence);
}
public void WhenNotCapitalAndLastAlphabetLetter_StartsFromTheBegining()
{
var sequence = InfiniteAlphabetSequence.Generate("z");
Assert.AreEqual("aa", sequence);
}
public void IfSequenceWithMoreThanOneCharacter_ReturnNextOfTheSequence()
{
var sequence = InfiniteAlphabetSequence.Generate("GHIJ");
Assert.AreEqual("GHIK", sequence);
}
public void WhenLastAlphabetLetter_StartsFromTheBegining()
{
var sequence = InfiniteAlphabetSequence.Generate("Z");
Assert.AreEqual("AA", sequence);
}