# -----------------------------------------------------------------------------
# 
# Tests for the GEOS polygon implementation
# 
# -----------------------------------------------------------------------------
# Copyright 2010 Daniel Azuma
# 
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# * Neither the name of the copyright holder, nor the names of any other
#   contributors to this software, may be used to endorse or promote products
#   derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# -----------------------------------------------------------------------------
;


require 'test/unit'
require 'rgeo'

require ::File.expand_path('../common/polygon_tests.rb', ::File.dirname(__FILE__))


module RGeo
  module Tests  # :nodoc:
    module GeosCAPI  # :nodoc:
      
      class TestPolygon < ::Test::Unit::TestCase  # :nodoc:
        
        
        def setup
          @factory = ::RGeo::Geos.factory
        end
        
        
        include ::RGeo::Tests::Common::PolygonTests
        
        
        def test_intersection
          point1_ = @factory.point(0, 0)
          point2_ = @factory.point(0, 2)
          point3_ = @factory.point(2, 2)
          point4_ = @factory.point(2, 0)
          poly1_ = @factory.polygon(@factory.linear_ring([point1_, point2_, point3_, point4_]))
          poly2_ = @factory.polygon(@factory.linear_ring([point1_, point2_, point4_]))
          poly3_ = poly1_.intersection(poly2_)
          assert_equal(poly2_, poly3_)
        end
        
        
        def test_union
          point1_ = @factory.point(0, 0)
          point2_ = @factory.point(0, 2)
          point3_ = @factory.point(2, 2)
          point4_ = @factory.point(2, 0)
          poly1_ = @factory.polygon(@factory.linear_ring([point1_, point2_, point3_, point4_]))
          poly2_ = @factory.polygon(@factory.linear_ring([point1_, point2_, point4_]))
          poly3_ = poly1_.union(poly2_)
          assert_equal(poly1_, poly3_)
        end
        
        
      end
      
    end
  end
end if ::RGeo::Geos.capi_supported?