From dd2e4ac3ae46bbb597d8a9e11e89b91f58d593a5 Mon Sep 17 00:00:00 2001
From: Rhys Lloyd <krakow20@gmail.com>
Date: Mon, 8 Jun 2026 23:34:56 -0700
Subject: [PATCH] test rmp_serde

---
 Cargo.lock               | 35 +++++++++++++++++++++++++++++++++++
 klondike-cli/Cargo.toml  |  1 +
 klondike-cli/src/test.rs | 16 ++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 7b5f6a4..467c99c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ version = "0.7.6"
 source = "sparse+https://git.aleshym.co/api/packages/Quaternions/cargo/"
 checksum = "813440870d646c57c222c1d713dc4e3ddcb2919c3801564d767d85d7bf2afee4"
 
+[[package]]
+name = "autocfg"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
+
 [[package]]
 name = "bitflags"
 version = "2.11.1"
@@ -152,6 +158,7 @@ dependencies = [
  "card_game",
  "klondike",
  "rand",
+ "rmp-serde",
  "serde",
  "serde_json",
 ]
@@ -180,6 +187,15 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "prettyplease"
 version = "0.2.37"
@@ -231,6 +247,25 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
 
+[[package]]
+name = "rmp"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ba8be72d372b2c9b35542551678538b562e7cf86c3315773cae48dfbfe7790c"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "rmp-serde"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72f81bee8c8ef9b577d1681a70ebbc962c232461e397b22c208c43c04b67a155"
+dependencies = [
+ "rmp",
+ "serde",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.28"
diff --git a/klondike-cli/Cargo.toml b/klondike-cli/Cargo.toml
index 7736d8a..032e985 100644
--- a/klondike-cli/Cargo.toml
+++ b/klondike-cli/Cargo.toml
@@ -9,6 +9,7 @@ klondike.workspace = true
 rand = { version = "0.10.1", default-features = false, features = ["thread_rng"] }
 
 [dev-dependencies]
+rmp-serde = "1.3.1"
 serde = { version = "1.0.228", default-features = false }
 serde_json = "1.0.149"
 
diff --git a/klondike-cli/src/test.rs b/klondike-cli/src/test.rs
index 196c31d..25b6617 100644
--- a/klondike-cli/src/test.rs
+++ b/klondike-cli/src/test.rs
@@ -30,3 +30,19 @@ fn test_json() {
 	let serialized2 = serde_json::to_string(&round_trip_session).unwrap();
 	assert_eq!(serialized, serialized2);
 }
+
+#[test]
+fn test_rmp() {
+	let mut session = Session::new_default(Klondike::with_seed(124));
+	let solution_result = session.solve();
+	if let Ok(Some(solution)) = solution_result {
+		for snapshot in solution.clean_solution() {
+			session.process_instruction(snapshot.instruction().clone());
+		}
+	}
+	let serialized = rmp_serde::to_vec(&session).unwrap();
+	println!("serialized.len() = {}", serialized.len());
+	let round_trip_session: Session<Klondike> = rmp_serde::from_slice(&serialized).unwrap();
+	let serialized2 = rmp_serde::to_vec(&round_trip_session).unwrap();
+	assert_eq!(serialized, serialized2);
+}