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# frozen_string_literal: true
require "color"
require "minitest_helper"
module TestColor
class TestYIQ < Minitest::Test
def setup
@yiq = Color::YIQ.from_fraction(0.1, 0.2, 0.3)
end
def test_brightness
assert_in_tolerance(0.1, @yiq.brightness)
end
def test_i
assert_in_tolerance(0.2, @yiq.i)
assert_in_tolerance(0.2, @yiq.i)
end
def test_q
assert_in_tolerance(0.3, @yiq.q)
assert_in_tolerance(0.3, @yiq.q)
end
def test_y
assert_in_tolerance(0.1, @yiq.y)
assert_in_tolerance(0.1, @yiq.y)
end
def test_inspect
assert_equal("YIQ [10.00% 20.00% 30.00%]", @yiq.inspect)
end
def test_pretty_print
assert_pretty_inspect "YIQ\n[10.00%\n 20.00%\n 30.00%]\n", @yiq
end
end
class TestYIQConversions < Minitest::Test
def setup
@yiq = Color::YIQ.from_fraction(0.1, 0.2, 0.3)
end
def test_to_cmyk
skip("to_cmyk conversion not yet implemented")
cmyk = @yiq.to_cmyk
assert_kind_of(Color::CMYK, cmyk)
end
def test_to_grayscale
gs = @yiq.to_grayscale
assert_kind_of(Color::Grayscale, gs)
assert_in_tolerance(0.1, gs.g)
assert_equal(Color::Grayscale.from_fraction(0), Color::YIQ.from_values(0, 0, 0).to_grayscale)
end
def test_to_hsl
skip("to_hsl conversion not yet implemented")
hsl = @yiq.to_hsl
assert_kind_of(Color::HSL, hsl)
end
def test_to_lab
skip("to_lab conversion not yet implemented")
lab = @yiq.to_lab
assert_kind_of(Color::CIELAB, lab)
end
def test_to_rgb
skip("to_rgb conversion not yet implemented")
rgb = @yiq.to_rgb
assert_kind_of(Color::RGB, rgb)
end
def test_to_xyz
skip("to_xyz conversion not yet implemented")
xyz = @yiq.to_xyz
assert_kind_of(Color::XYZ, xyz)
end
def test_to_yiq
assert_equal(@yiq, @yiq.to_yiq)
assert_kind_of(Color::YIQ, @yiq.to_yiq)
end
def test_to_internal
assert_equal([0.0, 0.0, 0.0], Color::YIQ.from_values(0, 0, 0).to_internal)
end
end
end
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