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Test 'ChessBoard::{do,undo}_move' machinery

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Bruno BELANYI 2022-07-28 21:39:29 +02:00
parent c1419f0e44
commit bc67ee3e9a
1 changed files with 127 additions and 0 deletions
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127
src/board/chess_board.rs
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@ -685,4 +685,131 @@ mod test {
position
);
}
#[test]
fn do_move() {
// Start from default position
let mut position = ChessBoard::default();
// Modify it to account for e4 move
position.do_move(
MoveBuilder {
piece: Piece::Pawn,
start: Square::E2,
destination: Square::E4,
capture: None,
promotion: None,
en_passant: false,
double_step: true,
castling: false,
}
.into(),
);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1")
.unwrap()
);
// And now c5
position.do_move(
MoveBuilder {
piece: Piece::Pawn,
start: Square::C7,
destination: Square::C5,
capture: None,
promotion: None,
en_passant: false,
double_step: true,
castling: false,
}
.into(),
);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq c6 0 2")
.unwrap()
);
// Finally, Nf3
position.do_move(
MoveBuilder {
piece: Piece::Knight,
start: Square::G1,
destination: Square::F3,
capture: None,
promotion: None,
en_passant: false,
double_step: false,
castling: false,
}
.into(),
);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2 ")
.unwrap()
);
}
#[test]
fn do_move_and_undo() {
// Start from default position
let mut position = ChessBoard::default();
// Modify it to account for e4 move
let move_1 = MoveBuilder {
piece: Piece::Pawn,
start: Square::E2,
destination: Square::E4,
capture: None,
promotion: None,
en_passant: false,
double_step: true,
castling: false,
}
.into();
let state_1 = position.do_move(move_1);
// And now c5
let move_2 = MoveBuilder {
piece: Piece::Pawn,
start: Square::C7,
destination: Square::C5,
capture: None,
promotion: None,
en_passant: false,
double_step: true,
castling: false,
}
.into();
let state_2 = position.do_move(move_2);
// Finally, Nf3
let move_3 = MoveBuilder {
piece: Piece::Knight,
start: Square::G1,
destination: Square::F3,
capture: None,
promotion: None,
en_passant: false,
double_step: false,
castling: false,
}
.into();
let state_3 = position.do_move(move_3);
// Now revert each move one-by-one
position.undo_move(move_3, state_3);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq c6 0 2")
.unwrap()
);
position.undo_move(move_2, state_2);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1")
.unwrap()
);
position.undo_move(move_1, state_1);
assert_eq!(
position,
ChessBoard::from_fen("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1")
.unwrap()
);
}
}