Implement a whole new move crate

moves/tests/flags.rs

@@ -0,0 +1,104 @@
+// Eryn Wells <eryn@erynwells.me>
+
+use chessfriend_core::{piece, Color, File, Shape, Square};
+use chessfriend_moves::{Builder, BuilderError, Castle, PromotionShape};
+
+macro_rules! assert_flag {
+    ($move:expr, $left:expr, $right:expr, $desc:expr) => {
+        assert_eq!($left, $right, "{:?} -> {}", $move, stringify!($desc))
+    };
+}
+
+macro_rules! assert_flags {
+    ($move:expr, $quiet:expr, $double_push:expr, $en_passant:expr, $capture:expr, $castle:expr, $promotion:expr) => {
+        assert_flag!($move, $move.is_quiet(), $quiet, "is_quiet");
+        assert_flag!(
+            $move,
+            $move.is_double_push(),
+            $double_push,
+            "is_double_push"
+        );
+        assert_flag!($move, $move.is_en_passant(), $en_passant, "is_en_passant");
+        assert_flag!($move, $move.is_capture(), $capture, "is_capture");
+        assert_flag!($move, $move.is_castle(), $castle, "is_castle");
+        assert_flag!($move, $move.is_promotion(), $promotion, "is_promotion");
+    };
+}
+
+#[test]
+fn move_flags_quiet() -> Result<(), BuilderError> {
+    let mv = Builder::push(&piece!(White Pawn on A4), Square::A5).build()?;
+    assert_flags!(mv, true, false, false, false, false, false);
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_double_push() -> Result<(), BuilderError> {
+    let mv = Builder::double_push(File::C, Color::White).build()?;
+    assert_flags!(mv, false, true, false, false, false, false);
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_capture() -> Result<(), BuilderError> {
+    let mv = Builder::new()
+        .from(Square::A4)
+        .capturing_on(Square::B5)
+        .build()?;
+
+    assert_flags!(mv, false, false, false, true, false, false);
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_en_passant_capture() -> Result<(), BuilderError> {
+    let mv = unsafe {
+        Builder::new()
+            .from(Square::A5)
+            .capturing_en_passant_on(Square::B4)
+            .build_unchecked()?
+    };
+
+    assert_flags!(mv, false, false, true, true, false, false);
+    assert_eq!(mv.origin_square(), Square::A5);
+    assert_eq!(mv.target_square(), Square::B4);
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_promotion() -> Result<(), BuilderError> {
+    let mv = Builder::push(&piece!(White Pawn on H7), Square::H8)
+        .promoting_to(PromotionShape::Queen)
+        .build()?;
+
+    assert_flags!(mv, false, false, false, false, false, true);
+    assert_eq!(mv.promotion(), Some(Shape::Queen));
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_capture_promotion() -> Result<(), BuilderError> {
+    let mv = Builder::push(&piece!(White Pawn on H7), Square::H8)
+        .capturing_piece(&piece!(Black Knight on G8))
+        .promoting_to(PromotionShape::Queen)
+        .build()?;
+
+    assert_flags!(mv, false, false, false, true, false, true);
+    assert_eq!(mv.promotion(), Some(Shape::Queen));
+
+    Ok(())
+}
+
+#[test]
+fn move_flags_castle() -> Result<(), BuilderError> {
+    let mv = Builder::castling(Castle::KingSide).build();
+
+    assert_flags!(mv, false, false, false, false, true, false);
+
+    Ok(())
+}