prevent falling off the map when on the edge and facing east.

2 files changed, 21 insertions, 0 deletions

diff --git a/spec/east_specs.rb b/spec/east_specs.rb
new file mode 100755
index 0000000..5060956
--- /dev/null
+++ b/spec/east_specs.rb
@@ -0,0 +1,20 @@
+require 'east'

+

+describe East do

+  before(:each) do

+    @sut = East.new

+  end

+  describe "when at the edge of the terrain" do

+    describe "when moving forward" do

+      it "should just stay at the current position" do

+        @location[:x].must_equal 0

+      end

+      before do

+        terrain = fake

+        terrain.stub(:is_out_of_bounds).with({:x => -1, :y => 0}).and_return(true)

+        @location = {:x => 0, :y => 0}

+        @sut.forward(@location, terrain)

+      end

+    end

+  end

+end

diff --git a/spec/rover_specs.rb b/spec/rover_specs.rb
index f8d15f8..8c3da03 100755
--- a/spec/rover_specs.rb
+++ b/spec/rover_specs.rb
@@ -82,6 +82,7 @@ describe Rover do
     end
     describe "when driving forward" do
       before do
+        @terrain = fake
         @sut.move_forward(@terrain)
       end
       it "should increment the x coordinate on the terrain" do