Bones

AdventOfCode2023.FSharp/Test/Test.fsproj

@@ -17,6 +17,7 @@
         <Compile Include="TestDay6.fs" />
         <Compile Include="TestDay7.fs" />
         <Compile Include="TestDay8.fs" />
+        <Compile Include="TestDay9.fs" />
         <EmbeddedResource Include="samples\day1.txt" />
         <EmbeddedResource Include="samples\day1part1.txt" />
         <EmbeddedResource Include="samples\day2.txt" />

AdventOfCode2023.FSharp/Test/TestDay9.fs

@@ -0,0 +1,49 @@
+namespace AdventOfCode2023.Test
+
+open AdventOfCode2023
+open NUnit.Framework
+open FsUnitTyped
+open System.IO
+
+[<TestFixture>]
+module TestDay9 =
+
+    let sample = Assembly.getEmbeddedResource typeof<Dummy>.Assembly "day9.txt"
+
+    [<Test>]
+    let part1Sample () =
+        sample
+        |> Day9.part1
+        |> shouldEqual 2
+
+    [<Test>]
+    let part2Sample () =
+        Assembly.getEmbeddedResource typeof<Dummy>.Assembly "day9.txt"
+        |> Day9.part2
+        |> shouldEqual 0
+
+    [<Test>]
+    let part1Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day9.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day8.part1 s |> shouldEqual 0
+
+    [<Test>]
+    let part2Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day9.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day8.part2 s |> shouldEqual 0