lib/terraformer/point.rb in terraformer-0.1.0 vs lib/terraformer/point.rb in terraformer-0.2.0

@@ -1,8 +1,17 @@
 module Terraformer
 
   class Point < Geometry
 
+    def initialize *args
+      super
+
+      # must be a single point
+      unless Terraformer::Coordinate === coordinates
+        raise ArgumentError.new 'invalid coordinates for Terraformer::Point'
+      end
+    end
+
     def first_coordinate
       coordinates
     end
 
     def distance_and_bearing_to obj