Lesson 5, exercise 5 done

app/src/main/java/com/example/paktalin/agilejava_exercises/Board.java

@@ -36,9 +36,7 @@ class Board {
     }
 
     private void setPosition(Piece piece, int rank, char file) {
-        char firstColumnLetter = 'a';
-        int column = (int)file - (int)firstColumnLetter;
-        setPosition(piece, rank, column);
+        setPosition(piece, rank, fileToColumn(file));
     }
 
     private void setPosition(Piece piece, int rank, int column) {
@@ -91,4 +89,18 @@ class Board {
         }
         return buffer.toString();
     }
+
+    private int fileToColumn(char file) {
+        char firstColumnLetter = 'a';
+        return (int)file - (int)firstColumnLetter;
+    }
+
+    Piece getPieceAtLocation(String location) {
+        int row = Integer.parseInt(location.split("")[1]) - 1;
+        int column = fileToColumn(location.toCharArray()[0]);
+
+        return positionState[row][column];
+    }
+
+
 }
\ No newline at end of file

app/src/test/java/com/example/paktalin/agilejava_exercises/BoardTest.java

@@ -43,8 +43,16 @@ public class BoardTest extends TestCase {
         assertEquals(2, board.pieceCount(Piece.Type.Rook, Piece.Color.Black));
     }
 
-    public void testBoardDimensions() {
-        assertEquals(8, board.ROW_COUNT);
-        assertEquals(8, board.COLUMN_COUNT);
+    public void testPieceLocation() {
+        board.initialize();
+
+        Piece piece = board.getPieceAtLocation("a8");
+
+        assertEquals(Piece.Type.Rook, piece.getType());
+        assertEquals(Piece.Color.White, piece.getColor());
+
+        piece = board.getPieceAtLocation("e1");
+        assertEquals(Piece.Type.King, piece.getType());
+        assertEquals(Piece.Color.Black, piece.getColor());
     }
 }

app/src/test/java/com/example/paktalin/agilejava_exercises/PieceTest.java

@@ -26,4 +26,14 @@ public class PieceTest extends TestCase {
         assertEquals(type, blackPiece.getType());
         assertEquals(Character.toUpperCase(representation), blackPiece.getRepresentation());
     }
+
+    public void testLanguage() {
+        assertEquals(8, Integer.parseInt("a8".split("")[1]));
+        assertEquals(0, fileToColumn("a8".toCharArray()[0]));
+    }
+
+    private int fileToColumn(char file) {
+        char firstColumnLetter = 'a';
+        return (int)file - (int)firstColumnLetter;
+    }
 }