public void Crack_GivenValidXMASMessages_ReturnsExpectedResults(int preambleLength, int requiredTerms, IEnumerable <long> message, IEnumerable <long> expectedResults)
{
var sut = new Cracker();
var result = sut.FindUnsummableNumbers(preambleLength, requiredTerms, message);
Assert.Equal(expectedResults, result);
}
/// <summary>
/// ChristmasCracker.Cmd entry point
/// </summary>
/// <param name="args">Command line arguments (not used)</param>
static void Main(string[] args)
{
var filePath = "./input";
var reader = new FileReader();
var inputStrings = reader.ReadFileByLines(filePath);
if (inputStrings.Where(input => long.TryParse(input, out var _) == false).Any())
{
throw new FormatException("Input file must be only integers");
}
var inputs = inputStrings.Select(input => long.Parse(input));
var preambleLength = 25;
var cracker = new Cracker();
var results = cracker.FindUnsummableNumbers(preambleLength, 2, inputs);
var unSummableNumber = results.First();
Console.WriteLine(unSummableNumber);
var attackResults = cracker.AttackUnsummableNumber(unSummableNumber, inputs).OrderBy(s => s);
var key = attackResults.First() + attackResults.Last();
Console.WriteLine(key);
}
public void Crack_PreambleSameSizeAsMessage_ThrowsException()
{
var sut = new Cracker();
_ = Assert.Throws <ArgumentException>(() => sut.FindUnsummableNumbers(3, 2, new long[] { 1, 2, 3 }));
}
public void Crack_RequiredTermsLargerThanPreamble_ThrowsException()
{
var sut = new Cracker();
_ = Assert.Throws <ArgumentException>(() => sut.FindUnsummableNumbers(10, 11, new long[] { }));
}
public void Crack_GivenZeroRequiredTerms_ThrowsException()
{
var sut = new Cracker();
_ = Assert.Throws <ArgumentException>(() => sut.FindUnsummableNumbers(1, 0, new long[] { }));
}
