public void AOC_2015_Day05b()
{
var input = File.ReadAllText(".//Content//Day05.txt")
.Split(Environment.NewLine).ToArray();
bool HasPair(string str) =>
Regex.IsMatch(str, @"(\w{2}).*\1");
bool HasDuplicate(string str) =>
Regex.IsMatch(str, @"(\w).\1");
bool IsNiceString(string str) =>
HasDuplicate(str) &&
HasPair(str);
var niceStrings = input.Where(IsNiceString);
var myNiceStrings = input.Where(x => AOC_2015_Day05_Answer.CalculateIsNiceNewRules(x));
var difference = myNiceStrings.Except(niceStrings);
var output = myNiceStrings.Count();
output.Should().Be(69);
}
public void AOC_2015_Day05a()
{
var input = File.ReadAllText(".//Content//Day05.txt")
.Split(Environment.NewLine);
var output = input.Count(x => AOC_2015_Day05_Answer.CalculateIsNice(x));
output.Should().Be(238);
}
public void calculate_contains_same_pair_of_letters_twice(string input, bool expectedAnswer)
{
var output = AOC_2015_Day05_Answer.CalculateContainsSamePairOfLettersTwice(input);
output.Should().Be(expectedAnswer);
}
public void calculate_is_nice_new_rules(string input, bool expectedAnswer)
{
var output = AOC_2015_Day05_Answer.CalculateIsNiceNewRules(input);
output.Should().Be(expectedAnswer);
}
public void calculate_contains_the_same_letter_separated_by_a_single_letter(string input, bool expectedAnswer)
{
var output = AOC_2015_Day05_Answer.CalculateContainsSameLetterSeparatedByASingleLetter(input);
output.Should().Be(expectedAnswer);
}