AIO commit

Sorry for the late commit, forgot to commit and push it on Saturday 7th.
Thank god there are moodle reminders

AdventOfCode/AdventOfCode.Test/Day1Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day1Test
+{
+    private string _input = "3   4\n4   3\n2   5\n1   3\n3   9\n3   3";
+    
+    [Fact]
+    public void Part1()
+    {
+        var day1 = new Day1();
+        var result = day1.Part1(_input);
+        Assert.Equal(11, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        var day1 = new Day1();
+        var result = day1.Part2(_input);
+        Assert.Equal(31, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day2Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day2Test
+{
+    private string _input = "7 6 4 2 1\n1 2 7 8 9\n9 7 6 2 1\n1 3 2 4 5\n8 6 4 4 1\n1 3 6 7 9";
+    
+    [Fact]
+    public void Part1()
+    {
+        var day2 = new Day2();
+        var result = day2.Part1(_input);
+        Assert.Equal(2, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        var day2 = new Day2();
+        var result = day2.Part2(_input);
+        Assert.Equal(4, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day3Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day3Test
+{
+    [Fact]
+    public void Part1()
+    {
+        const string Input = "xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))";
+        const int Expected = 161;
+        var day3 = new Day3();
+        
+        var result = day3.Part1(Input);
+        
+        Assert.Equal(Expected, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        const string Input = "xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))";
+        const int Expected = 48;
+        var day3 = new Day3();
+        
+        var result = day3.Part2(Input);
+        
+        Assert.Equal(Expected, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day4Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day4Test
+{
+    [Fact]
+    public void Part1()
+    {
+        const string Input = "MMMSXXMASM\nMSAMXMSMSA\nAMXSXMAAMM\nMSAMASMSMX\nXMASAMXAMM\nXXAMMXXAMA\nSMSMSASXSS\nSAXAMASAAA\nMAMMMXMMMM\nMXMXAXMASX";
+        const int Expected = 18;
+        var day4 = new Day4();
+
+        var result = day4.Part1(Input);
+
+        Assert.Equal(Expected, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        const string Input = ".M.S......\n..A..MSMS.\n.M.S.MAA..\n..A.ASMSM.\n.M.S.M....\n..........\nS.S.S.S.S.\n.A.A.A.A..\nM.M.M.M.M.\n..........";
+        const int Expected = 9;
+        var day4 = new Day4();
+
+        var result = day4.Part2(Input);
+
+        Assert.Equal(Expected, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day5Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day5Test
+{
+    private string input
+        = "47|53\r\n97|13\r\n97|61\r\n97|47\r\n75|29\r\n61|13\r\n75|53\r\n29|13\r\n97|29\r\n53|29\r\n61|53\r\n97|53\r\n61|29\r\n47|13\r\n75|47\r\n97|75\r\n47|61\r\n75|61\r\n47|29\r\n75|13\r\n53|13\r\n\r\n75,47,61,53,29\r\n97,61,53,29,13\r\n75,29,13\r\n75,97,47,61,53\r\n61,13,29\r\n97,13,75,29,47";
+    
+    [Fact]
+    public void Part1()
+    {
+        const int Expected = 143;
+        var day5 = new Day5();
+        
+        var result = day5.Part1(input);
+        
+        Assert.Equal(Expected, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        const int Expected = 123;
+        var day5 = new Day5();
+        
+        var result = day5.Part2(input);
+        
+        Assert.Equal(Expected, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day6Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day6Test
+{
+    private const string Input = "....#.....\r\n.........#\r\n..........\r\n..#.......\r\n.......#..\r\n..........\r\n.#..^.....\r\n........#.\r\n#.........\r\n......#...";
+    
+    [Fact]
+    public void Part1()
+    {
+        const int Expected = 41;
+        var day = new Day6();
+        
+        var result = day.Part1(Input);
+        
+        Assert.Equal(Expected, result);
+    }
+    
+    [Fact]
+    public void Part2()
+    {
+        const int Expected = 6;
+        var day = new Day6();
+        
+        var result = day.Part2(Input);
+        
+        Assert.Equal(Expected, result);
+    }
+}

AdventOfCode/AdventOfCode.Test/Day7Test.cs

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+namespace AdventOfCode.Test;
+
+public sealed class Day7Test
+{
+    private string input = "190: 10 19\r\n3267: 81 40 27\r\n83: 17 5\r\n156: 15 6\r\n7290: 6 8 6 15\r\n161011: 16 10 13\r\n192: 17 8 14\r\n21037: 9 7 18 13\r\r\n292: 11 6 16 20";
+    
+    [Fact]
+    public void TestPart1()
+    {
+        const int Expected = 3749;
+        
+        var day = new Day7();
+        Assert.Equal(Expected, day.Part1(input));
+    }
+    
+    [Fact]
+    public void TestPart2()
+    {
+        const int Expected = 11387;
+        
+        var day = new Day7();
+        Assert.Equal(Expected, day.Part2(input));
+    }
+}