# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1374852110 -7200
# Node ID 7ae0125d57b2de7eec9beb9b0a291f24dcf21ce9
# Parent  1ebd52ae8ccbbd6af6ef1d09eda1827b8589c3ca
Pawns can take opponents

diff -r 1ebd52ae8ccb -r 7ae0125d57b2 chess/src/main/java/org/apidesign/html/demo/chess/Rules.java
--- a/chess/src/main/java/org/apidesign/html/demo/chess/Rules.java	Fri Jul 26 17:14:25 2013 +0200
+++ b/chess/src/main/java/org/apidesign/html/demo/chess/Rules.java	Fri Jul 26 17:21:50 2013 +0200
@@ -126,5 +126,14 @@
                 }
             }
         }
+        BoardModel.ColorType opposite = white ? BoardModel.ColorType.BLACK : BoardModel.ColorType.WHITE;
+        Square takeLeft = BoardModel.findSquare(b, (char)(s.getX() - 1), s.getY() + dy);
+        if (takeLeft != null && takeLeft.getPieceColor() == opposite) {
+            takeLeft.setAccessible(true);
+        }
+        Square takeRight = BoardModel.findSquare(b, (char)(s.getX() + 1), s.getY() + dy);
+        if (takeRight != null && takeRight.getPieceColor() == opposite) {
+            takeRight.setAccessible(true);
+        }
     }
 }
diff -r 1ebd52ae8ccb -r 7ae0125d57b2 chess/src/test/java/org/apidesign/html/demo/chess/BoardModelTest.java
--- a/chess/src/test/java/org/apidesign/html/demo/chess/BoardModelTest.java	Fri Jul 26 17:14:25 2013 +0200
+++ b/chess/src/test/java/org/apidesign/html/demo/chess/BoardModelTest.java	Fri Jul 26 17:21:50 2013 +0200
@@ -120,4 +120,23 @@
         assertEquals(f3.getPiece(), PieceType.KNIGHT, "Moved");
         assertFalse(g3.isSelected(), "No longer selected");
     }
+    
+    @Test public void pawnCanTakeToSide() {
+        Board b = BoardModel.createBoard();
+        Square e2 = BoardModel.findSquare(b, 'E', 2);
+        Square e4 = BoardModel.findSquare(b, 'E', 4);
+        Square d7 = BoardModel.findSquare(b, 'D', 7);
+        Square d5 = BoardModel.findSquare(b, 'D', 5);
+        
+        BoardModel.selected(b, e2);
+        BoardModel.selected(b, e4);
+        BoardModel.selected(b, d7);
+        BoardModel.selected(b, d5);
+        
+        BoardModel.selected(b, e4);
+        assertTrue(d5.isAccessible(), "Can take on d5");
+        BoardModel.selected(b, d5);
+        assertNull(e4.getPiece(), "No pawn on e4");
+        assertEquals(d5.getPieceColor(), ColorType.WHITE, "White Pawn on d5");
+    }
 }