/// <summary>
/// Validate arrays of numbers.
/// </summary>
/// <param name="missingNumbersViewModel">Instance of MissingNumbersViewModel.</param>
/// <returns>Error message.</returns>
private string ValidateArrays(MissingNumbersViewModel missingNumbersViewModel)
{
if ((missingNumbersViewModel.SecondArrayNumbers.Max() - missingNumbersViewModel.SecondArrayNumbers.Min()) > 100)
{
return(MissingNumbersMessages.ErrorSecondArrayDifferenceNunmberGreater100);
}
if (missingNumbersViewModel.FirstArrayLength < 1)
{
return(MissingNumbersMessages.ErrorLengthFirstArray);
}
if (missingNumbersViewModel.SecondArrayLength > 2 * Math.Pow(10, 5))
{
return(MissingNumbersMessages.ErrorSecondArrayGreat);
}
if (missingNumbersViewModel.FirstArrayLength > missingNumbersViewModel.SecondArrayLength)
{
return(MissingNumbersMessages.ErrorArraysLength);
}
if (missingNumbersViewModel.SecondArrayNumbers.Max() > Math.Pow(10, 4) || missingNumbersViewModel.SecondArrayNumbers.Min() < 1)
{
return(MissingNumbersMessages.ErrorSecondArrayNumbersOutOfRange);
}
return(string.Empty);
}
/// <summary>
/// Get Missing Numbers.
/// </summary>
/// <param name="missingNumbersViewModel">Instance of MissingNumbersViewModel.</param>
/// <returns>Missing Numbers.</returns>
public string GetMissingNumbers(MissingNumbersViewModel missingNumbersViewModel)
{
missingNumbersViewModel = this.GetArrays(missingNumbersViewModel);
if (string.IsNullOrEmpty(missingNumbersViewModel.ErrorMessage))
{
Dictionary <int, int> firstArrayFrecuency = this.GetFrecuency(missingNumbersViewModel.FirstArrayNumbers);
Dictionary <int, int> secondArrayFrecuency = this.GetFrecuency(missingNumbersViewModel.SecondArrayNumbers);
return(this.VerifyFrecuency(firstArrayFrecuency, secondArrayFrecuency));
}
else
{
return(string.Empty);
}
}
public void GetMissingNumbersSuccess()
{
MissingNumbersViewModel missingNumbersViewModel = new MissingNumbersViewModel()
{
FirstArrayLength = 1,
SecondArrayLength = 1,
FirstArrayStringNumbers = "1",
SecondArrayStringNumbers = "2"
};
string result = this.missingNumbersBusiness.GetMissingNumbers(missingNumbersViewModel);
Assert.AreEqual(string.Empty, missingNumbersViewModel.ErrorMessage);
Assert.AreNotEqual(string.Empty, result);
}
public void GetMissingNumbersArrayEmptyText()
{
MissingNumbersViewModel missingNumbersViewModel = new MissingNumbersViewModel()
{
FirstArrayLength = 1,
SecondArrayLength = 1,
FirstArrayStringNumbers = " ",
SecondArrayStringNumbers = " "
};
string result = this.missingNumbersBusiness.GetMissingNumbers(missingNumbersViewModel);
Assert.AreEqual(MissingNumbersMessages.ErrorConvertingNumbers, missingNumbersViewModel.ErrorMessage);
Assert.AreEqual(string.Empty, result);
}
/// <summary>
/// Get arrays of numbers from string of numbers.
/// </summary>
/// <param name="missingNumbersViewModel">Instance of MissingNumbersViewModel.</param>
/// <returns>Arrays of numbers from string of numbers.</returns>
private MissingNumbersViewModel GetArrays(MissingNumbersViewModel missingNumbersViewModel)
{
try
{
string[] tempNumbersFirstArray = missingNumbersViewModel.FirstArrayStringNumbers.Split(' ');
string[] tempNumbersSecondArray = missingNumbersViewModel.SecondArrayStringNumbers.Split(' ');
missingNumbersViewModel.FirstArrayNumbers = Array.ConvertAll(tempNumbersFirstArray, int.Parse).ToList();
missingNumbersViewModel.SecondArrayNumbers = Array.ConvertAll(tempNumbersSecondArray, int.Parse).ToList();
missingNumbersViewModel.ErrorMessage = this.ValidateArrays(missingNumbersViewModel);
}
catch (Exception)
{
missingNumbersViewModel.ErrorMessage = MissingNumbersMessages.ErrorConvertingNumbers;
}
return(missingNumbersViewModel);
}
public ActionResult Index(MissingNumbersViewModel missingNumbersViewModel)
{
missingNumbersViewModel.MissingNumbersResult = new MissingNumbersBusiness().GetMissingNumbers(missingNumbersViewModel);
return(this.View(missingNumbersViewModel));
}
