public void StringIncludeUpperCharacters()
{
var stringService = new StringService();
var charCounting = stringService.CountDuplicateChar("Indiviibilities");
Assert.AreEqual(1, charCounting);
}
public void NoCharactersRepeat()
{
var stringService = new StringService();
var charCounting = stringService.CountDuplicateChar("abcde");
Assert.AreEqual(0, charCounting);
}
public void ManySameCharactersRepeat()
{
var stringService = new StringService();
var charCounting = stringService.CountDuplicateChar("indivisibilities");
Assert.AreEqual(2, charCounting);
}