projects.mako.cc - selectricity/blob - vendor/plugins/geokit/test/bounds_test.rb

   1 $LOAD_PATH.unshift File.join('..', 'lib')
   2 require 'geo_kit/mappable'
   3 require 'test/unit'
   4
   5 class BoundsTest < Test::Unit::TestCase #:nodoc: all
   6
   7   def setup
   8     # This is the area in Texas
   9     @sw = GeoKit::LatLng.new(32.91663,-96.982841)
  10     @ne = GeoKit::LatLng.new(32.96302,-96.919495)
  11     @bounds=GeoKit::Bounds.new(@sw,@ne)
  12     @loc_a=GeoKit::LatLng.new(32.918593,-96.958444) # inside bounds
  13     @loc_b=GeoKit::LatLng.new(32.914144,-96.958444) # outside bouds
  14
  15     # this is a cross-meridan area
  16     @cross_meridian=GeoKit::Bounds.normalize([30,170],[40,-170])
  17     @inside_cm=GeoKit::LatLng.new(35,175)
  18     @inside_cm_2=GeoKit::LatLng.new(35,-175)
  19     @east_of_cm=GeoKit::LatLng.new(35,-165)
  20     @west_of_cm=GeoKit::LatLng.new(35,165)
  21
  22   end
  23
  24   def test_equality
  25     assert_equal GeoKit::Bounds.new(@sw,@ne), GeoKit::Bounds.new(@sw,@ne)
  26   end
  27
  28   def test_normalize
  29     res=GeoKit::Bounds.normalize(@sw,@ne)
  30     assert_equal res,GeoKit::Bounds.new(@sw,@ne)
  31     res=GeoKit::Bounds.normalize([@sw,@ne])
  32     assert_equal res,GeoKit::Bounds.new(@sw,@ne)
  33     res=GeoKit::Bounds.normalize([@sw.lat,@sw.lng],[@ne.lat,@ne.lng])
  34     assert_equal res,GeoKit::Bounds.new(@sw,@ne)
  35     res=GeoKit::Bounds.normalize([[@sw.lat,@sw.lng],[@ne.lat,@ne.lng]])
  36     assert_equal res,GeoKit::Bounds.new(@sw,@ne)
  37   end
  38
  39   def test_point_inside_bounds
  40     assert @bounds.contains?(@loc_a)
  41   end
  42
  43   def test_point_outside_bounds
  44     assert !@bounds.contains?(@loc_b)
  45   end
  46
  47   def test_point_inside_bounds_cross_meridian
  48     assert @cross_meridian.contains?(@inside_cm)
  49     assert @cross_meridian.contains?(@inside_cm_2)
  50   end
  51
  52   def test_point_outside_bounds_cross_meridian
  53     assert !@cross_meridian.contains?(@east_of_cm)
  54     assert !@cross_meridian.contains?(@west_of_cm)
  55   end
  56
  57   def test_center
  58     assert_in_delta 32.939828,@bounds.center.lat,0.00005
  59     assert_in_delta -96.9511763,@bounds.center.lng,0.00005
  60   end
  61
  62   def test_center_cross_meridian
  63     assert_in_delta 35.41160, @cross_meridian.center.lat,0.00005
  64     assert_in_delta 179.38112, @cross_meridian.center.lng,0.00005
  65   end
  66
  67   def test_creation_from_circle
  68     bounds=GeoKit::Bounds.from_point_and_radius([32.939829, -96.951176],2.5)
  69     inside=GeoKit::LatLng.new 32.9695270000,-96.9901590000
  70     outside=GeoKit::LatLng.new 32.8951550000,-96.9584440000
  71     assert bounds.contains?(inside)
  72     assert !bounds.contains?(outside)
  73   end
  74
  75 end