From c3e45da6364af8b0aa0b2331a5d2991f6c9e224d Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Thu, 26 Jan 2023 22:03:24 +0300
Subject: test: add endgame position perft test

---
 src/board/engine.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/board/engine.rs b/src/board/engine.rs
index 2aa8e28..ceee108 100644
--- a/src/board/engine.rs
+++ b/src/board/engine.rs
@@ -349,6 +349,16 @@ mod tests {
         // assert_eq!(board.perft(4, false), PerftResult { leaf_nodes: 4085603, captures: 757163, en_passants: 1929, castles: 128013, checks: 25523 });
     }
 
+    #[test]
+    fn endgame_perft() {
+        let fen = String::from("8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - ");
+        let mut board = Board::from_FEN(fen);
+
+        assert_eq!(board.perft(1, false), PerftResult { leaf_nodes: 14, captures: 1, en_passants: 0, castles: 0 , checks: 2 });
+        assert_eq!(board.perft(2, false), PerftResult { leaf_nodes: 191, captures: 14, en_passants: 0, castles: 0 , checks: 10 });
+        // assert_eq!(board.perft(3, false), PerftResult { leaf_nodes: 2182, captures: 209, en_passants: 2, castles: 0 , checks: 267 });
+    }
+
     #[test]
     fn material_advantage() {
         let board = Board::new();
-- 
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