Day 9 (#10)

Went with Lagrange interpolation instead because that seemed easier. Co-authored-by: Smaug123 <patrick+github@patrickstevens.co.uk> Reviewed-on: #10
2023-12-09 09:46:17 +00:00
parent d94663ae0e
commit 3b98d704d1
12 changed files with 281 additions and 78 deletions
--- a/AdventOfCode2023.FSharp/Test/TestDay9.fs
+++ b/AdventOfCode2023.FSharp/Test/TestDay9.fs
@@ -0,0 +1,47 @@
+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 114L
+
+    [<Test>]
+    let part2Sample () =
+        Assembly.getEmbeddedResource typeof<Dummy>.Assembly "day9.txt"
+        |> Day9.part2
+        |> shouldEqual 2L
+
+    [<Test>]
+    let part1Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day9.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day9.part1 s |> shouldEqual 1898776583L
+
+    [<Test>]
+    let part2Actual () =
+        let s =
+            try
+                File.ReadAllText (Path.Combine (__SOURCE_DIRECTORY__, "../../inputs/day9.txt"))
+            with
+            | :? DirectoryNotFoundException
+            | :? FileNotFoundException ->
+                Assert.Inconclusive ()
+                failwith "unreachable"
+
+        Day9.part2 s |> shouldEqual 1100L