test/test_line.rb in gmath3D-0.2.5 vs test/test_line.rb in gmath3D-1.0.0
- old
+ new
@@ -1,146 +1,146 @@
-$LOAD_PATH.unshift(File.dirname(__FILE__))
-require 'helper'
-
-include GMath3D
-
-MiniTest::Unit.autorun
-
-class LineTestCase < MiniTest::Unit::TestCase
- def test_initialize
- base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
- direction_tmp = Vector3.new(1.0, 1.0, 1.0)
- line = Line.new(base_point_tmp, direction_tmp)
-
- assert(base_point_tmp == line.base_point)
- assert(direction_tmp == line.direction )
-
- lineDefault = Line.new()
- assert(Vector3.new(0,0,0) == lineDefault.base_point)
- assert(Vector3.new(1,0,0) == lineDefault.direction )
- end
-
- def test_equals
- line = Line.new()
- shallow_copied = line
- assert(line.equal?(shallow_copied))
- assert(line == shallow_copied)
- assert(line != nil)
- assert(line != "string")
-
- assert_equal(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)), Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
-
- assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)) == Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
- assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,3)) != Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
- assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)) != Line.new(Vector3.new(2,3,4), Vector3.new(1,2,3)))
- end
-
- def test_clone
- line = Line.new()
- shallow_copied = line
- shallow_copied.base_point.x = -1
- assert(line == shallow_copied)
- assert(line.equal?(shallow_copied))
- assert_equal(-1, shallow_copied.base_point.x)
- assert_equal(-1, line.base_point.x)
-
- cloned = line.clone
- assert(line == cloned)
- assert(!line.equal?(cloned))
- cloned.base_point.x = -2
- assert_equal(-2, cloned.base_point.x)
-
- assert_equal(-1, line.base_point.x) # original never changed in editing cloned one.
- end
-
- def test_to_s
- line = Line.new(Vector3.new(2.0, 3, 5), Vector3.new(1.0, 1.0, 1.0))
- assert_equal("Line[point[2.0, 3, 5], vector[1.0, 1.0, 1.0]", line.to_s);
- end
-
- def test_point
- base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
- direction_tmp = Vector3.new(1.0, 1.0, 0.0)
- line = Line.new(base_point_tmp, direction_tmp)
-
- assert(Vector3.new(2.0, 3.0, 5.0) == line.point(0.0))
- assert(Vector3.new(3.0, 4.0, 5.0) == line.point(1.0))
- assert(Vector3.new(2.5, 3.5, 5.0) == line.point(0.5))
- assert(Vector3.new(4.0, 5.0, 5.0) == line.point(2))
- assert(Vector3.new(1.0, 2.0, 5.0) == line.point(-1.0))
- end
-
- def test_distance_to_point
- base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
- direction_tmp = Vector3.new(1.0, 1.0, 0.0)
- line = Line.new(base_point_tmp, direction_tmp)
-
- check_point1 = base_point_tmp + Vector3.new(-1.0, 1.0, 0.0)
- distance, closest_point, parameter = line.distance(check_point1)
- assert_in_delta(Math::sqrt(2.0), distance, line.tolerance)
- assert(base_point_tmp == closest_point)
- assert_in_delta(0.0, parameter, line.tolerance)
-
- check_point2 = check_point1 + direction_tmp
- distance, closest_point, parameter = line.distance(check_point2)
- assert_in_delta(Math::sqrt(2.0), distance, line.tolerance)
- assert(base_point_tmp + direction_tmp == closest_point)
- assert_in_delta(1.0, parameter, line.tolerance)
-
- check_point3 = line.point(0.3)
- distance, closest_point = line.distance(check_point3)
- assert_in_delta(0.0, distance, line.tolerance)
- assert(check_point3 == closest_point)
-
- target_point4 = Vector3.new(2,3,3)
- line2 = Line.new( Vector3.new(1,2,3), Vector3.new(0,2,0))
- distance, point_on_line, parameter = line2.distance( target_point4 )
- assert_in_delta( 1, distance, line.tolerance )
- assert_equal( Vector3.new(1,3,3), point_on_line )
- assert_in_delta( 0.5, parameter, line.tolerance )
- end
-
- def test_distance_to_line
- base_point_tmp1 = Vector3.new(0.0, 0.0, 0.0)
- direction_tmp1 = Vector3.new(1.0, 1.0, 0.0)
- line1 = Line.new(base_point_tmp1, direction_tmp1)
-
- base_point_tmp2 = Vector3.new(1.0, 1.0, 3.0)
- direction_tmp2 = Vector3.new(-1.0, 1.0, 0.0)
- line2 = Line.new(base_point_tmp2, direction_tmp2)
-
- distance, point1, point2, parameter1, parameter2 = line1.distance(line2)
- assert_in_delta(3.0, distance, line1.tolerance)
- assert(Vector3.new(1.0, 1.0, 0.0) == point1)
- assert(Vector3.new(1.0, 1.0, 3.0) == point2)
- assert_in_delta(1.0, parameter1, line1.tolerance)
- assert_in_delta(0.0, parameter2, line2.tolerance)
-
- # distance for same lines
- distance, point1, point2, parameter1, parameter2 = line1.distance(line1)
- assert_in_delta(0.0, distance, line1.tolerance)
- assert_equal(nil, point1)
- assert_equal(nil, point2)
- assert_equal(nil, parameter1)
- assert_equal(nil, parameter2)
-
- # parallel case
- base_point_tmp3 = Vector3.new(0.0, 0.0, 4.0)
- direction_tmp3 = Vector3.new(-1.0, -1.0, 0.0)
- line3 = Line.new(base_point_tmp3, direction_tmp3)
- distance, point1, point2, parameter1, parameter2 = line1.distance(line3)
- assert_in_delta(4.0, distance, line3.tolerance)
- assert_equal(nil, point1)
- assert_equal(nil, point2)
- assert_equal(nil, parameter1)
- assert_equal(nil, parameter2)
- end
-
- def test_distance_to_invalid_value
- assert_raises ArgumentError do
- invalidResult = Line.new.distance(nil)
- end
- assert_raises ArgumentError do
- invalidResult = Line.new.distance(5.0)
- end
- end
-end
+$LOAD_PATH.unshift(File.dirname(__FILE__))
+require 'helper'
+
+include GMath3D
+
+MiniTest::Unit.autorun
+
+class LineTestCase < MiniTest::Unit::TestCase
+ def test_initialize
+ base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
+ direction_tmp = Vector3.new(1.0, 1.0, 1.0)
+ line = Line.new(base_point_tmp, direction_tmp)
+
+ assert(base_point_tmp == line.base_point)
+ assert(direction_tmp == line.direction )
+
+ lineDefault = Line.new()
+ assert(Vector3.new(0,0,0) == lineDefault.base_point)
+ assert(Vector3.new(1,0,0) == lineDefault.direction )
+ end
+
+ def test_equals
+ line = Line.new()
+ shallow_copied = line
+ assert(line.equal?(shallow_copied))
+ assert(line == shallow_copied)
+ assert(line != nil)
+ assert(line != "string")
+
+ assert_equal(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)), Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
+
+ assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)) == Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
+ assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,3)) != Line.new(Vector3.new(1.0,2.0,3.0), Vector3.new(2.0,3.0,4.0)))
+ assert(Line.new(Vector3.new(1,2,3), Vector3.new(2,3,4)) != Line.new(Vector3.new(2,3,4), Vector3.new(1,2,3)))
+ end
+
+ def test_clone
+ line = Line.new()
+ shallow_copied = line
+ shallow_copied.base_point.x = -1
+ assert(line == shallow_copied)
+ assert(line.equal?(shallow_copied))
+ assert_equal(-1, shallow_copied.base_point.x)
+ assert_equal(-1, line.base_point.x)
+
+ cloned = line.clone
+ assert(line == cloned)
+ assert(!line.equal?(cloned))
+ cloned.base_point.x = -2
+ assert_equal(-2, cloned.base_point.x)
+
+ assert_equal(-1, line.base_point.x) # original never changed in editing cloned one.
+ end
+
+ def test_to_s
+ line = Line.new(Vector3.new(2.0, 3, 5), Vector3.new(1.0, 1.0, 1.0))
+ assert_equal("Line[point[2.0, 3, 5], vector[1.0, 1.0, 1.0]", line.to_s);
+ end
+
+ def test_point
+ base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
+ direction_tmp = Vector3.new(1.0, 1.0, 0.0)
+ line = Line.new(base_point_tmp, direction_tmp)
+
+ assert(Vector3.new(2.0, 3.0, 5.0) == line.point(0.0))
+ assert(Vector3.new(3.0, 4.0, 5.0) == line.point(1.0))
+ assert(Vector3.new(2.5, 3.5, 5.0) == line.point(0.5))
+ assert(Vector3.new(4.0, 5.0, 5.0) == line.point(2))
+ assert(Vector3.new(1.0, 2.0, 5.0) == line.point(-1.0))
+ end
+
+ def test_distance_to_point
+ base_point_tmp = Vector3.new(2.0, 3.0, 5.0)
+ direction_tmp = Vector3.new(1.0, 1.0, 0.0)
+ line = Line.new(base_point_tmp, direction_tmp)
+
+ check_point1 = base_point_tmp + Vector3.new(-1.0, 1.0, 0.0)
+ distance, closest_point, parameter = line.distance(check_point1)
+ assert_in_delta(Math::sqrt(2.0), distance, line.tolerance)
+ assert(base_point_tmp == closest_point)
+ assert_in_delta(0.0, parameter, line.tolerance)
+
+ check_point2 = check_point1 + direction_tmp
+ distance, closest_point, parameter = line.distance(check_point2)
+ assert_in_delta(Math::sqrt(2.0), distance, line.tolerance)
+ assert(base_point_tmp + direction_tmp == closest_point)
+ assert_in_delta(1.0, parameter, line.tolerance)
+
+ check_point3 = line.point(0.3)
+ distance, closest_point = line.distance(check_point3)
+ assert_in_delta(0.0, distance, line.tolerance)
+ assert(check_point3 == closest_point)
+
+ target_point4 = Vector3.new(2,3,3)
+ line2 = Line.new( Vector3.new(1,2,3), Vector3.new(0,2,0))
+ distance, point_on_line, parameter = line2.distance( target_point4 )
+ assert_in_delta( 1, distance, line.tolerance )
+ assert_equal( Vector3.new(1,3,3), point_on_line )
+ assert_in_delta( 0.5, parameter, line.tolerance )
+ end
+
+ def test_distance_to_line
+ base_point_tmp1 = Vector3.new(0.0, 0.0, 0.0)
+ direction_tmp1 = Vector3.new(1.0, 1.0, 0.0)
+ line1 = Line.new(base_point_tmp1, direction_tmp1)
+
+ base_point_tmp2 = Vector3.new(1.0, 1.0, 3.0)
+ direction_tmp2 = Vector3.new(-1.0, 1.0, 0.0)
+ line2 = Line.new(base_point_tmp2, direction_tmp2)
+
+ distance, point1, point2, parameter1, parameter2 = line1.distance(line2)
+ assert_in_delta(3.0, distance, line1.tolerance)
+ assert(Vector3.new(1.0, 1.0, 0.0) == point1)
+ assert(Vector3.new(1.0, 1.0, 3.0) == point2)
+ assert_in_delta(1.0, parameter1, line1.tolerance)
+ assert_in_delta(0.0, parameter2, line2.tolerance)
+
+ # distance for same lines
+ distance, point1, point2, parameter1, parameter2 = line1.distance(line1)
+ assert_in_delta(0.0, distance, line1.tolerance)
+ assert_equal(nil, point1)
+ assert_equal(nil, point2)
+ assert_equal(nil, parameter1)
+ assert_equal(nil, parameter2)
+
+ # parallel case
+ base_point_tmp3 = Vector3.new(0.0, 0.0, 4.0)
+ direction_tmp3 = Vector3.new(-1.0, -1.0, 0.0)
+ line3 = Line.new(base_point_tmp3, direction_tmp3)
+ distance, point1, point2, parameter1, parameter2 = line1.distance(line3)
+ assert_in_delta(4.0, distance, line3.tolerance)
+ assert_equal(nil, point1)
+ assert_equal(nil, point2)
+ assert_equal(nil, parameter1)
+ assert_equal(nil, parameter2)
+ end
+
+ def test_distance_to_invalid_value
+ assert_raises ArgumentError do
+ invalidResult = Line.new.distance(nil)
+ end
+ assert_raises ArgumentError do
+ invalidResult = Line.new.distance(5.0)
+ end
+ end
+end