test: add position perft

1 files changed, 9 insertions, 0 deletions

diff --git a/src/board.rs b/src/board.rs
index eea60fe..efe0b80 100644
--- a/src/board.rs
+++ b/src/board.rs
@@ -619,6 +619,15 @@ mod tests {
     }
 
     #[test]
+    fn test_position_perft() {
+        let fen = String::from("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - ");
+        let mut board = Board::from_FEN(fen);
+        assert_eq!(board.perft(0, false), (1, 0, 0, 0));
+        assert_eq!(board.perft(1, false), (48, 8, 0, 0));
+        assert_eq!(board.perft(2, false), (2039, 351, 3, 1));
+    }
+
+    #[test]
     fn test_is_square_attacked() {
         let board = Board::new();