public void ShoouldRetunZeroWhenInputIsEmptyOrNoDuplicate()
{
var i = string.Empty;
DuplicateFounder duplicateFounder = new DuplicateFounder();
Assert.IsTrue(duplicateFounder.FindOccurence(i, 2) == 0);
i = "abc";
Assert.IsTrue(duplicateFounder.FindOccurence(i, 2) == 0);
}
public void ShoouldRetun1When1TripleChar()
{
var i = "aaadferb";
DuplicateFounder duplicateFounder = new DuplicateFounder();
Assert.AreEqual(duplicateFounder.FindOccurence(i, 3), 1);
}