all tests are passing

zoo.rb

@@ -38,6 +38,9 @@ def full?
 		@meals > 30
 	end
 
+	def feed(food)
+	end
+
 end
 
 class Lion
@@ -65,6 +68,7 @@ class Tacos < Food; end
 class Wildebeests < Food; end
 class Zeebras < Food; end
 class Bamboo < Food; end
+class Bacon < Food; end
 
 class Zookeeper
 	def feed(args={})
@@ -75,3 +79,16 @@ def feed(args={})
 
 end
 
+class Human
+	include Animal
+
+	def acceptable_food
+		[Bacon.new, Tacos.new]
+	end
+end
+
+class FoodBarge
+	def food_for(panda)
+	end
+
+end

zoo_spec.rb

@@ -80,3 +80,40 @@ class Salad < Food; end
 		Zookeeper.new.feed(food: :zeebras, to: lion)
 	end
 end
+
+
+describe Human do 
+	it "should like bacon" do
+		Human.new.likes?(Bacon.new).should eq(true)
+	end
+
+	it "should like tacos" do
+		Human.new.likes?(Tacos.new).should eq(true)
+	end
+
+	it "should not like bamboo" do
+		Human.new.likes?(Bamboo.new).should eq(false)
+	end
+
+end
+
+describe FoodBarge do 
+	it "should have the panda eat the food" do
+		foodbarge = FoodBarge.new
+		panda = Panda.new
+		food = foodbarge.food_for(panda)
+		panda.feed(food)
+	end
+
+end
+
+
+
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