1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
# frozen_string_literal: true
require "color"
require "minitest_helper"
module TestColor
class TestCMYK < Minitest::Test
def setup
@cmyk = Color::CMYK.from_percentage(10, 20, 30, 40)
end
def test_cyan
assert_in_tolerance(0.1, @cmyk.c)
assert_in_tolerance(10, @cmyk.cyan)
assert_in_tolerance(0.0, Color::CMYK[-1.0, 20, 30, 40].cyan)
end
def test_magenta
assert_in_tolerance(0.2, @cmyk.m)
assert_in_tolerance(20, @cmyk.magenta)
end
def test_yellow
assert_in_tolerance(0.3, @cmyk.y)
assert_in_tolerance(30, @cmyk.yellow)
end
def test_black
assert_in_tolerance(0.4, @cmyk.k)
assert_in_tolerance(40, @cmyk.black)
end
def test_inspect
assert_equal("CMYK [10.00% 20.00% 30.00% 40.00%]", @cmyk.inspect)
end
def test_pretty_print
assert_pretty_inspect "CMYK\n[10.00%\n 20.00%\n 30.00%\n 40.00%]\n", @cmyk
end
def test_css
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00%, rgb(54.00% 48.00% 42.00%))", @cmyk.css)
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50, rgb(54.00% 48.00% 42.00% / 0.50))", @cmyk.css(alpha: 0.5))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00%)", @cmyk.css(fallback: false))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50)", @cmyk.css(alpha: 0.5, fallback: false))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00%, rgb(0 0 100.00%))", @cmyk.css(fallback: Color::RGB::Blue))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50, rgb(0 0 100.00% / 0.50))", @cmyk.css(alpha: 0.5, fallback: Color::RGB::Blue))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50, rgb(0 0 100.00%))", @cmyk.css(alpha: 0.5, fallback: {color: Color::RGB::Blue}))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50, rgb(0 0 100.00% / 0.30))", @cmyk.css(alpha: 0.5, fallback: {color: Color::RGB::Blue, alpha: 0.3}))
assert_equal("device-cmyk(10.00% 20.00% 30.00% 40.00% / 0.50, rgb(54.00% 48.00% 42.00% / 0.30))", @cmyk.css(alpha: 0.5, fallback: {alpha: 0.3}))
end
end
class TestCMYKConversions < Minitest::Test
def setup
@cmyk = Color::CMYK.from_percentage(10, 20, 30, 40)
end
def test_to_cmyk
assert_equal(@cmyk, @cmyk.to_cmyk)
assert_kind_of(Color::CMYK, @cmyk.to_cmyk)
end
def test_to_grayscale
gs = @cmyk.to_grayscale
assert_kind_of(Color::Grayscale, gs)
assert_in_tolerance(0.4185, gs.g)
end
def test_to_hsl
hsl = @cmyk.to_hsl
assert_kind_of(Color::HSL, hsl)
assert_in_tolerance(0.48, hsl.l)
assert_in_tolerance(0.125, hsl.s)
assert_in_tolerance(0.08333, hsl.h)
end
def test_to_lab
lab = @cmyk.to_lab
assert_kind_of(Color::CIELAB, lab)
assert_in_tolerance(52.35269, lab.l)
assert_in_tolerance(3.268274, lab.a)
assert_in_tolerance(10.52531, lab.b)
assert_equal(Color::CIELAB.from_values(0, 0, 0), Color::CMYK.from_percentage(0, 0, 0, 100).to_lab)
end
def test_to_rgb
rgb_adobe = @cmyk.to_rgb(rgb_method: :adobe)
assert_kind_of(Color::RGB, rgb_adobe)
assert_in_tolerance(0.5, rgb_adobe.r)
assert_in_tolerance(0.4, rgb_adobe.g)
assert_in_tolerance(0.3, rgb_adobe.b)
rgb = @cmyk.to_rgb
assert_kind_of(Color::RGB, rgb)
assert_in_tolerance(0.54, rgb.r)
assert_in_tolerance(0.48, rgb.g)
assert_in_tolerance(0.42, rgb.b)
end
def test_to_xyz
xyz = @cmyk.to_xyz
assert_kind_of(Color::XYZ, xyz)
assert_in_tolerance(0.200995, xyz.x)
assert_in_tolerance(0.204594, xyz.y)
assert_in_tolerance(0.168249, xyz.z)
assert_equal(Color::XYZ.from_values(0, 0, 0), Color::CMYK.from_percentage(0, 0, 0, 100).to_xyz)
end
def test_to_yiq
yiq = @cmyk.to_yiq
assert_kind_of(Color::YIQ, yiq)
assert_in_tolerance(0.4911, yiq.y)
assert_in_tolerance(0.05502, yiq.i)
assert_in_tolerance(0.0, yiq.q)
assert_equal(Color::YIQ.from_values(0, 0, 0), Color::CMYK.from_percentage(0, 0, 0, 100).to_yiq)
end
def test_to_internal
assert_equal([0.0, 0.0, 0.0, 1.0], Color::CMYK.from_percentage(0, 0, 0, 100).to_internal)
end
end
end
|
