make test

src/lib.rs

@@ -1,6 +1,9 @@
 pub mod card_game;
 pub mod klondike;
 
+#[cfg(test)]
+mod test;
+
 pub type Rng = rand::rngs::ThreadRng;
 
 // test readme

src/test.rs

@@ -0,0 +1,30 @@
+#[test]
+fn test_klondike() {
+	use crate::Rng;
+	use crate::card_game::{Game, Session};
+	use crate::klondike::Klondike;
+
+	// create game session
+	let seed = Rng::default();
+	let game = Klondike::new(seed.clone(), Default::default());
+	let mut session = Session::new(seed, game);
+
+	// is winnable
+	let is_winnable = session.is_winnable().is_some();
+
+	// play game
+	while let Some(instruction) = session.possible_instructions().next() {
+		session.process_instruction(instruction);
+	}
+
+	// did win
+	let is_win = session.is_win();
+
+	// print session history
+	for (i, instruction) in session.history().iter().enumerate() {
+		println!("move {i} = {instruction:?}");
+	}
+
+	println!("is_winnable = {is_winnable}");
+	println!("is_win = {is_win}");
+}