Bowling: scores a frame when the ball is thrown, add current frame fu…

…nctionality

SpecRunner.html

@@ -17,6 +17,7 @@
 
   <!-- include spec files here... -->
   <script src="spec/BowlingSpec.js"></script>
+  <script src="spec/FrameSpec.js"></script>
 
 </head>
 

spec/BowlingSpec.js

@@ -12,12 +12,18 @@
       expect(game.pinsLeft()).toBe(10);
     });
     it('can knock down a pin with a bowling ball', function() {
+      game.newFrame();
       game.throwBall(1);
       expect(game.pinsLeft()).toBe(9);
     });
     it('starts a new frame', function() {
       game.newFrame();
       expect(game.getFrames()).toContain(new Frame());
     });
+    it('scores a frame when the ball is thrown', function() {
+      game.newFrame();
+      game.throwBall(1);
+      expect(game.getCurrentFrame().getFirstScore()).toBe(1);
+    });
   });
 }());

spec/FrameSpec.js

@@ -0,0 +1,18 @@
+(function() {
+  'use strict';
+
+  describe('Frame', function() {
+
+    var frame;
+
+    beforeEach(function() {
+      frame = new Frame();
+    });
+    it('can score two throws', function() {
+      frame.score(5);
+      frame.score(4);
+      expect(frame.getFirstScore()).toBe(5);
+      expect(frame.getSecondScore()).toBe(4);
+    });
+  });
+}());

src/Bowling.js

@@ -1,8 +1,15 @@
 var Bowling = function() {
   this._pinsLeft = 10;
   this._frames = [];
+  this._currentFrame = 0;
 };
 Bowling.prototype.pinsLeft = function() { return this._pinsLeft; };
-Bowling.prototype.throwBall = function(pinsHit) { this._pinsLeft -= pinsHit; };
+Bowling.prototype.throwBall = function(pinsHit) {
+  this._pinsLeft -= pinsHit;
+  this.getCurrentFrame().score(pinsHit);
+ };
 Bowling.prototype.newFrame = function() { this._frames.push(new Frame()); };
 Bowling.prototype.getFrames = function() { return this._frames; };
+Bowling.prototype.getCurrentFrame = function() {
+  return this._frames[this._currentFrame];
+};

src/Frame.js

@@ -1 +1,6 @@
-var Frame = function() {};
+var Frame = function() {
+  this._score = [];
+};
+Frame.prototype.score = function(pinsHit) { this._score.push(pinsHit); };
+Frame.prototype.getFirstScore = function() { return this._score[0]; };
+Frame.prototype.getSecondScore = function() { return this._score[1]; };