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require 'test/unit'
require 'lib/geokit'
class BoundsTest < Test::Unit::TestCase #:nodoc: all
def setup
# This is the area in Texas
@sw = Geokit::LatLng.new(32.91663,-96.982841)
@ne = Geokit::LatLng.new(32.96302,-96.919495)
@bounds=Geokit::Bounds.new(@sw,@ne)
@loc_a=Geokit::LatLng.new(32.918593,-96.958444) # inside bounds
@loc_b=Geokit::LatLng.new(32.914144,-96.958444) # outside bouds
# this is a cross-meridan area
@cross_meridian=Geokit::Bounds.normalize([30,170],[40,-170])
@inside_cm=Geokit::LatLng.new(35,175)
@inside_cm_2=Geokit::LatLng.new(35,-175)
@east_of_cm=Geokit::LatLng.new(35,-165)
@west_of_cm=Geokit::LatLng.new(35,165)
end
def test_equality
assert_equal Geokit::Bounds.new(@sw,@ne), Geokit::Bounds.new(@sw,@ne)
end
def test_normalize
res=Geokit::Bounds.normalize(@sw,@ne)
assert_equal res,Geokit::Bounds.new(@sw,@ne)
res=Geokit::Bounds.normalize([@sw,@ne])
assert_equal res,Geokit::Bounds.new(@sw,@ne)
res=Geokit::Bounds.normalize([@sw.lat,@sw.lng],[@ne.lat,@ne.lng])
assert_equal res,Geokit::Bounds.new(@sw,@ne)
res=Geokit::Bounds.normalize([[@sw.lat,@sw.lng],[@ne.lat,@ne.lng]])
assert_equal res,Geokit::Bounds.new(@sw,@ne)
end
def test_point_inside_bounds
assert @bounds.contains?(@loc_a)
end
def test_point_outside_bounds
assert !@bounds.contains?(@loc_b)
end
def test_point_inside_bounds_cross_meridian
assert @cross_meridian.contains?(@inside_cm)
assert @cross_meridian.contains?(@inside_cm_2)
end
def test_point_outside_bounds_cross_meridian
assert !@cross_meridian.contains?(@east_of_cm)
assert !@cross_meridian.contains?(@west_of_cm)
end
def test_center
assert_in_delta 32.939828,@bounds.center.lat,0.00005
assert_in_delta(-96.9511763,@bounds.center.lng,0.00005)
end
def test_center_cross_meridian
assert_in_delta 35.41160, @cross_meridian.center.lat,0.00005
assert_in_delta 179.38112, @cross_meridian.center.lng,0.00005
end
def test_creation_from_circle
bounds=Geokit::Bounds.from_point_and_radius([32.939829, -96.951176],2.5)
inside=Geokit::LatLng.new 32.9695270000,-96.9901590000
outside=Geokit::LatLng.new 32.8951550000,-96.9584440000
assert bounds.contains?(inside)
assert !bounds.contains?(outside)
end
def test_bounds_to_span
sw = Geokit::LatLng.new(32, -96)
ne = Geokit::LatLng.new(40, -70)
bounds = Geokit::Bounds.new(sw, ne)
assert_equal Geokit::LatLng.new(8, 26), bounds.to_span
end
def test_bounds_to_span_with_bounds_crossing_prime_meridian
sw = Geokit::LatLng.new(20, -70)
ne = Geokit::LatLng.new(40, 100)
bounds = Geokit::Bounds.new(sw, ne)
assert_equal Geokit::LatLng.new(20, 170), bounds.to_span
end
def test_bounds_to_span_with_bounds_crossing_dateline
sw = Geokit::LatLng.new(20, 100)
ne = Geokit::LatLng.new(40, -70)
bounds = Geokit::Bounds.new(sw, ne)
assert_equal Geokit::LatLng.new(20, 190), bounds.to_span
end
end
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