Lesson 3 done

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

@@ -10,17 +10,54 @@ import java.util.List;
  */
 
 class Board {
-    private List<Pawn> pawns = new ArrayList<>();
+    private List<Pawn> seventhRank = new ArrayList<>();
+    private List<Pawn> secondRank = new ArrayList<>();
+
+    void initialize() {
+        for (int i = 0; i < 8; i++) {
+            addWhitePawn();
+            addBlackPawn();
+        }
+    }
 
     int getNumberOfPieces() {
-        return pawns.size();
+        return seventhRank.size() + secondRank.size();
+    }
+
+    void addWhitePawn() {
+        seventhRank.add(new Pawn(Pawn.COLOR_WHITE));
     }
 
-    void addPawn(Pawn pawn) {
-        pawns.add(pawn);
+    void addBlackPawn() {
+        secondRank.add(new Pawn(Pawn.COLOR_BLACK));
     }
 
-    Pawn getPawn(int index) {
-        return pawns.get(index);
+    List<Pawn> getRank(int rankNumber) {
+        if (rankNumber == 2)
+            return secondRank;
+        return seventhRank;
+    }
+
+    String printRank(int rankNumber) {
+        StringBuilder rankRepresentation = new StringBuilder();
+
+        for (Pawn pawn : getRank(rankNumber))
+                rankRepresentation.append(pawn.print());
+        return rankRepresentation.toString();
+    }
+
+    void print() {
+        StringBuilder buffer = new StringBuilder();
+
+        buffer.append("........\n");
+        buffer.append(printRank(2) + "\n");
+
+        for (int i = 3; i < 7; i++)
+            buffer.append("........\n");
+
+        buffer.append(printRank(7) + "\n");
+        buffer.append("........\n");
+
+        System.out.print(buffer.toString());
     }
 }

app/src/main/java/com/example/paktalin/agilejava_exercises/pieces/Pawn.java

@@ -10,7 +10,7 @@ public class Pawn {
 
     private String color;
 
-    public Pawn() {
+    Pawn() {
         color = "white";
     }
 
@@ -21,4 +21,10 @@ public class Pawn {
     public String getColor() {
         return color;
     }
+
+    public String print() {
+        if (this.getColor().equals(COLOR_BLACK))
+            return "P";
+        return "p";
+    }
 }

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

@@ -15,6 +15,7 @@ public class AllTests extends TestSuite {
 
         suite.addTestSuite(PawnTest.class);
         suite.addTestSuite(BoardTest.class);
+        suite.addTestSuite(CharacterTest.class);
 
         return suite;
     }

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

 package com.example.paktalin.agilejava_exercises;
 
-import com.example.paktalin.agilejava_exercises.pieces.Pawn;
-
 import junit.framework.TestCase;
 
 /**
@@ -17,15 +15,13 @@ public class BoardTest extends TestCase {
     }
 
     public void testBoard() {
-        assertEquals(0, board.getNumberOfPieces());
-    }
+        board.initialize();
+        assertEquals(16, board.getNumberOfPieces());
 
-    public void testNumberOfPieces() {
-        Pawn pawn = new Pawn(Pawn.COLOR_BLACK);
+        assertEquals("PPPPPPPP", board.printRank(2));
+        assertEquals("pppppppp", board.printRank(7));
 
-        board.addPawn(pawn);
-        assertEquals(1, board.getNumberOfPieces());
-        assertEquals("black", board.getPawn(0).getColor());
+        board.print();
     }
 
 }

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

+package com.example.paktalin.agilejava_exercises;
+
+import junit.framework.TestCase;
+
+/**
+ * Created by Paktalin on 23/05/2018.
+ */
+
+public class CharacterTest extends TestCase {
+
+    public void testWhiteSpace() {
+        assertTrue(Character.isWhitespace(' '));
+        assertTrue(Character.isWhitespace('\t'));
+        assertTrue(Character.isWhitespace('\n'));
+
+        assertFalse(Character.isWhitespace('m'));
+        assertFalse(Character.isWhitespace('a'));
+    }
+
+    public void testIdentifiers() {
+        assertFalse(Character.isJavaIdentifierPart('^'));
+        assertTrue(Character.isJavaIdentifierPart('k'));
+    }
+
+}

app/src/test/java/com/example/paktalin/agilejava_exercises/pieces/PawnTest.java

@@ -23,4 +23,12 @@ public class PawnTest extends TestCase {
         Pawn pawn = new Pawn();
         assertEquals("white", pawn.getColor());
     }
+
+    public void testPawnRepresentation() {
+        Pawn blackPawn = new Pawn(Pawn.COLOR_BLACK);
+        assertEquals("P", blackPawn.print());
+
+        Pawn whitePawn = new Pawn(Pawn.COLOR_WHITE);
+        assertEquals("p", whitePawn.print());
+    }
 }