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require File.join(File.dirname(__FILE__), "helper")
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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