1 # frozen_string_literal: true
6 include Test::Unit::Assertions
9 ln1 = Line.new(Point.new(0.0, 0.0), Point.new(1.0, 2.0))
10 ln2 = Line.new(Point.new(1.0, 1.0), Point.new(2.0, 2.0))
12 assert_equal Geometry.gradient(ln1), 2
13 assert_equal Geometry.gradient(ln2), 1
15 assert_equal Geometry.intersection(ln1, ln2), Point.new(0, 0)
16 assert Geometry.intersection(ln1, ln1).nil?