require 'ruby2d' RSpec.describe Ruby2D::Triangle do describe '#contains?' do it "returns true if point is inside line" do line = Line.new(x1: 0, y1: 0, x2: 100, y2: 100) expect(line.contains?(25, 25)).to be true end it "returns true if point is inside text" do line = Line.new(x1: 0, y1: 0, x2: 100, y2: 100) expect(line.contains?(0, 10)).to be false expect(line.contains?(10, 0)).to be false end end end