Day 10 (#11)

Co-authored-by: Smaug123 <patrick+github@patrickstevens.co.uk>
Reviewed-on: #11

AdventOfCode2023.FSharp/Test/Test.fsproj

@@ -18,6 +18,7 @@
     <Compile Include="TestDay7.fs"/>
     <Compile Include="TestDay8.fs"/>
     <Compile Include="TestDay9.fs"/>
+    <Compile Include="TestDay10.fs" />
     <EmbeddedResource Include="samples\day1.txt"/>
     <EmbeddedResource Include="samples\day1part1.txt"/>
     <EmbeddedResource Include="samples\day2.txt"/>
@@ -29,6 +30,8 @@
     <EmbeddedResource Include="samples\day8part1.txt"/>
     <EmbeddedResource Include="samples\day8.txt"/>
     <EmbeddedResource Include="samples\day9.txt"/>
+    <EmbeddedResource Include="samples\day10part1.txt" />
+    <EmbeddedResource Include="samples\day10.txt" />
   </ItemGroup>
 
   <ItemGroup>

AdventOfCode2023.FSharp/Test/TestDay10.fs

@@ -0,0 +1,104 @@
+namespace AdventOfCode2023.Test
+
+open AdventOfCode2023
+open NUnit.Framework
+open FsUnitTyped
+open System.IO
+
+[<TestFixture>]
+module TestDay10 =
+
+    let part1Sample1 () =
+        """.....
+.S-7.
+.|.|.
+.L-J.
+.....
+"""
+        |> Day10.part1
+        |> shouldEqual 4
+
+
+    [<Test>]
+    let part1Sample () =
+        Assembly.getEmbeddedResource typeof<Dummy>.Assembly "day10part1.txt"
+        |> Day10.part1
+        |> shouldEqual 8
+
+    [<Test>]
+    let part2Sample1 () =
+        """...........
+.S-------7.
+.|F-----7|.
+.||.....||.
+.||.....||.
+.|L-7.F-J|.
+.|..|.|..|.
+.L--J.L--J.
+...........
+"""
+        |> Day10.part2
+        |> shouldEqual 4
+
+    [<Test>]
+    let part2Sample2 () =
+        """..........
+.S------7.
+.|F----7|.
+.||....||.
+.||....||.
+.|L-7F-J|.
+.|..||..|.
+.L--JL--J.
+..........
+"""
+        |> Day10.part2
+        |> shouldEqual 4
+
+    [<Test>]
+    let part2Sample3 () =
+        """.F----7F7F7F7F-7....
+.|F--7||||||||FJ....
+.||.FJ||||||||L7....
+FJL7L7LJLJ||LJ.L-7..
+L--J.L7...LJS7F-7L7.
+....F-J..F7FJ|L7L7L7
+....L7.F7||L7|.L7L7|
+.....|FJLJ|FJ|F7|.LJ
+....FJL-7.||.||||...
+....L---J.LJ.LJLJ...
+"""
+        |> Day10.part2
+        |> shouldEqual 8
+
+    [<Test>]
+    let part2Sample () =
+        Assembly.getEmbeddedResource typeof<Dummy>.Assembly "day10.txt"
+        |> Day10.part2
+        |> shouldEqual 10
+
+    [<Test>]
+    let part1Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day10.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day10.part1 s |> shouldEqual 6842
+
+    [<Test>]
+    let part2Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day10.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day10.part2 s |> shouldEqual 393

AdventOfCode2023.FSharp/Test/samples/day10.txt

@@ -0,0 +1,10 @@
+FF7FSF7F7F7F7F7F---7
+L|LJ||||||||||||F--J
+FL-7LJLJ||||||LJL-77
+F--JF--7||LJLJ7F7FJ-
+L---JF-JLJ.||-FJLJJ7
+|F|F-JF---7F7-L7L|7|
+|FFJF7L7F-JF7|JL---7
+7-L-JL7||F7|L7F-7F7|
+L.L7LFJ|||||FJL7||LJ
+L7JLJL-JLJLJL--JLJ.L

AdventOfCode2023.FSharp/Test/samples/day10part1.txt

@@ -0,0 +1,5 @@
+..F7.
+.FJ|.
+SJ.L7
+|F--J
+LJ...