when facing east and turning left or right.

2 files changed, 22 insertions, 0 deletions

diff --git a/lib/rover.rb b/lib/rover.rb
index c09ffc2..591ec5a 100644
--- a/lib/rover.rb
+++ b/lib/rover.rb
@@ -7,6 +7,8 @@ class Rover
   def turn_right
     if(@heading == :north)
       @heading = :east
+    elsif @heading == :east
+      @heading = :south
     elsif @heading == :south
       @heading = :west
     end
@@ -14,6 +16,8 @@ class Rover
   def turn_left
     if(@heading == :north)
       @heading = :west
+    elsif @heading == :east
+      @heading = :north
     elsif @heading == :south
       @heading = :east
     end
diff --git a/spec/rover_specs.rb b/spec/rover_specs.rb
index ccf3f02..7bef598 100644
--- a/spec/rover_specs.rb
+++ b/spec/rover_specs.rb
@@ -41,4 +41,22 @@ describe Rover do
     end
   end
 
+  describe "when facing east" do
+    before do
+      @sut.heading= :east
+    end
+    describe "when turning right" do
+      it "should face south" do
+        @sut.turn_right
+        @sut.heading.must_equal :south
+      end
+    end
+    describe "when turning left" do
+      it "should face north" do
+        @sut.turn_left
+        @sut.heading.must_equal :north
+      end
+    end
+  end
+
 end