test/line_spec.rb


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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