Merge branch 'aces_solution' into cucumber

.autotest

@@ -0,0 +1,8 @@
+begin
+  require 'autotest/growl'
+rescue LoadError
+  $stderr.puts "***************"
+  $stderr.puts "Couldn't load autotest/growl. If you want nifty growl notifications, gem install autotest-growl"
+  $stderr.puts "***************"
+  $stderr.puts ""
+end

autotest/discover.rb

@@ -0,0 +1 @@
+Autotest.add_discovery { "rspec2" }

lib/hand.rb

@@ -1,3 +1,44 @@
 class Hand
+  def initialize
+    @cards = []
+  end
 
+  def deal(card)
+    @cards << card
+  end
+
+  def score
+    score_of_non_aces + score_of_aces
+  end
+
+  def score_of_non_aces
+    @cards.reject {|c| c == :ace }.inject(0) do |sum, c|
+      sum += if [:king, :queen, :jack].include?(c)
+        10
+      else
+        c
+      end
+    end
+  end
+
+  def score_of_aces
+    num_aces = @cards.select {|c| c == :ace }.size
+    if num_aces == 0
+      0
+    elsif score_of_non_aces > 10 ||
+        (score_of_non_aces == 10 && num_aces > 1)
+      num_aces
+    else
+      11 + num_aces - 1
+    end
+  end
+
+  def blackjack?
+    score == 21 && @cards.size == 2
+  end
+
+  def bonus?
+    score == 21 &&
+      (@cards.uniq.size == 1 || @cards.max - @cards.min == 2)
+  end
 end

spec/hand_spec.rb

@@ -53,6 +53,11 @@
     @hand.deal 9
     @hand.should_not be_bonus
   end
+
+  it "should not be bonus when dealt 5, 5, 5" do
+    3.times { @hand.deal 5 }
+    @hand.should_not be_bonus
+  end
 
   it "should be bonus when dealt 6, 7, 8" do
     @hand.deal 6