feat: solved day 8 part 1 and part 2

2024-12-08 22:49:10 -06:00
parent 174c8dd48e
commit b3a400bc7f
4 changed files with 261 additions and 11 deletions
@@ -0,0 +1,33 @@
+namespace ResonantCollinearity.Tests;
+
+public class LineTests
+{
+  private readonly string[] _exampleInput = [
+    "............",
+    "........0...",
+    ".....0......",
+    ".......0....",
+    "....0.......",
+    "......A.....",
+    "............",
+    "............",
+    "........A...",
+    ".........A..",
+    "............",
+    "............",
+  ];
+  
+  [Test]
+  public async Task Slope_WhenCalled_ItShouldReturnExpectedValue()
+  {
+    var line = new Line(new(3, 4), new(5, 5), _exampleInput);
+
+    var result = line.GetAntinodes();
+
+    await Assert.That(result).IsEquivalentTo(new List<Point>()
+    {
+      new(1, 3), 
+      new(7, 6),
+    });
+  }
+}
@@ -0,0 +1,93 @@
+namespace ResonantCollinearity.Tests;
+
+public class PuzzleParserTests
+{
+  private readonly PuzzleParser _parser = new();
+  private readonly string[] _exampleInput = [
+    "............",
+    "........0...",
+    ".....0......",
+    ".......0....",
+    "....0.......",
+    "......A.....",
+    "............",
+    "............",
+    "........A...",
+    ".........A..",
+    "............",
+    "............",
+  ];
+  
+  [Test]
+  public async Task Parse_WhenGivenExampleInput_ItShouldReturnExpectedListOfFrequencies()
+  {
+    var antenna = new List<Antenna>()
+    {
+      new(1, 8, '0'),
+      new(2, 5, '0'),
+      new(3, 7, '0'),
+      new(4, 4, '0'),
+      new(5, 6, 'A'),
+      new(8, 8, 'A'),
+      new(9, 9, 'A'),
+    };
+
+    var expectedGroupings = antenna.GroupBy(c => c.Frequency).ToList();
+    
+    var result = _parser.Parse(_exampleInput);
+    
+    await Assert.That(result).IsEquivalentTo(expectedGroupings);
+  }
+  
+  [Test]
+  public async Task SolutionPartOne_WhenGivenExampleInput_ItShouldReturnExpectedAntinodes()
+  {
+    var expectedAntinodes = new List<Point>()
+    {
+      new(0, 11),
+      new(3, 2),
+      new(5, 6),
+      new(7, 0),
+      new(1, 3),
+      new(4, 9),
+      new(0, 6),
+      new(6, 3),
+      new(2, 10),
+      new(5, 1),
+      new(2, 4),
+      new(11, 10),
+      new(7, 7),
+      new(10, 10),
+    };
+    
+    var result = _parser.Parse(_exampleInput).GetAntinodes(_exampleInput);
+    
+    await Assert.That(result).IsEquivalentTo(expectedAntinodes);
+  }
+  
+  [Test]
+  public async Task SolutionPartTwo_WhenGivenExampleInput_ItShouldReturnExpectedAntinodes()
+  {
+    // var expectedAntinodes = new List<Point>()
+    // {
+    //   new(0, 11),
+    //   new(3, 2),
+    //   new(5, 6),
+    //   new(7, 0),
+    //   new(1, 3),
+    //   new(4, 9),
+    //   new(0, 6),
+    //   new(6, 3),
+    //   new(2, 10),
+    //   new(5, 1),
+    //   new(2, 4),
+    //   new(11, 10),
+    //   new(7, 7),
+    //   new(10, 10),
+    // };
+    
+    var result = _parser.Parse(_exampleInput).GetAntinodes(_exampleInput, isPart2: true);
+    
+    await Assert.That(result.Count).IsEquivalentTo(34);
+  }
+}