#! /usr/bin/env ruby
# coding: utf-8

require "test/unit"
require "helper"
require "mageo/segment.rb"

class TC_Segment < Test::Unit::TestCase
	$tolerance = 1.0 * 10.0 ** (-10)

	VEC_00 = Vector3D[1.0, 2.0, 3.0]
	VEC_01 = Vector3D[4.0, 6.0, 8.0]

	VEC_10 = Vector3D[0.0, 0.0, 1.0]
	VEC_11 = Vector3D[0.0, 0.0, 3.0]

	VEC_20 = Vector3D[1.0, 1.0, 1.0]
	VEC_21 = Vector3D[0.0, 0.0, 0.0]
	def setup
		@s00 = Segment.new(VEC_00, VEC_01)
		@s01 = Segment.new(VEC_10, VEC_11)
		@s02 = Segment.new(VEC_20, VEC_21)
	end

	def test_initialize
		vec00 = [1.0, 2.0, 3.0]
		vec01 = [4.0, 6.0, 8.0]
		assert_raise(Segment::InitializeError){
			Segment.new(vec00, vec01)
		}
		assert_raise(Segment::InitializeError){
			Segment.new(VEC_00, VEC_00)
		}
	end

	def test_endpoints
		assert_equal(VEC_00, @s00.endpoints[0])
		assert_equal(VEC_01, @s00.endpoints[1])
	end

	def test_include?
		assert_raise(Segment::TypeError){
			@s02.include?([0.0, 0.0, 0.0], $tolerance)
		}

		#直線上
		assert_equal(false, @s02.include?(Vector3D[-1.0,-1.0,-1.0], $tolerance))
		assert_equal(true , @s02.include?(Vector3D[ 0.0, 0.0, 0.0], $tolerance))
		assert_equal(true , @s02.include?(Vector3D[ 0.3, 0.3, 0.3], $tolerance))
		assert_equal(true , @s02.include?(Vector3D[ 1.0, 1.0, 1.0], $tolerance))
		assert_equal(false, @s02.include?(Vector3D[ 2.0, 2.0, 2.0], $tolerance))

		#横に出てる
		assert_equal(false, @s02.include?(Vector3D[0.1, 0.1, 0.2], $tolerance))
		assert_equal(true , @s02.include?(Vector3D[0.1, 0.1, 0.2], 1.0))
	end

	def test_to_v3d
		assert_equal(Vector3D[ 3.0, 4.0, 5.0], @s00.to_v3d)
		assert_equal(Vector3D[ 0.0, 0.0, 2.0], @s01.to_v3d)
		assert_equal(Vector3D[-1.0,-1.0,-1.0], @s02.to_v3d)
	end

	def test_eql?
		assert_raise(Segment::TypeError){ @s00.eql?([[0,0,0],[1,1,1]])}

		assert_equal(true , @s00.eql?(Segment.new(VEC_01, VEC_00)))
		assert_equal(false, @s00.eql?(@s01))
	end

	def test_equal2
		assert_raise(Segment::TypeError){ @s00.eql?([[0,0,0],[1,1,1]])}

		assert_equal(true , @s00 == Segment.new(VEC_00, VEC_01))
		assert_equal(false, @s00 == Segment.new(VEC_01, VEC_00))
		assert_equal(false, @s00 == @s01)
	end

	#undef test_include?

end