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
124
125
126
127
128
129
130
|
#!/usr/bin/env ruby
#--
# Color
# Colour management with Ruby
# http://rubyforge.org/projects/color
# Version 1.4.0
#
# Licensed under a MIT-style licence. See Licence.txt in the main
# distribution for full licensing information.
#
# Copyright (c) 2005 - 2007 Austin Ziegler and Matt Lyon
#
# $Id: test_all.rb 55 2007-02-03 23:29:34Z austin $
#++
$LOAD_PATH.unshift("#{File.dirname(__FILE__)}/../lib") if __FILE__ == $0
require 'test/unit'
require 'color'
module TestColor
class TestCMYK < Test::Unit::TestCase
def setup
@cmyk = Color::CMYK.new(10, 20, 30, 40)
end
def test_cyan
assert_in_delta(0.1, @cmyk.c, Color::COLOR_TOLERANCE)
assert_in_delta(10, @cmyk.cyan, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.cyan = 20 }
assert_in_delta(0.2, @cmyk.c, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.c = 2.0 }
assert_in_delta(100, @cmyk.cyan, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.c = -1.0 }
assert_in_delta(0.0, @cmyk.c, Color::COLOR_TOLERANCE)
end
def test_magenta
assert_in_delta(0.2, @cmyk.m, Color::COLOR_TOLERANCE)
assert_in_delta(20, @cmyk.magenta, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.magenta = 30 }
assert_in_delta(0.3, @cmyk.m, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.m = 2.0 }
assert_in_delta(100, @cmyk.magenta, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.m = -1.0 }
assert_in_delta(0.0, @cmyk.m, Color::COLOR_TOLERANCE)
end
def test_yellow
assert_in_delta(0.3, @cmyk.y, Color::COLOR_TOLERANCE)
assert_in_delta(30, @cmyk.yellow, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.yellow = 20 }
assert_in_delta(0.2, @cmyk.y, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.y = 2.0 }
assert_in_delta(100, @cmyk.yellow, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.y = -1.0 }
assert_in_delta(0.0, @cmyk.y, Color::COLOR_TOLERANCE)
end
def test_black
assert_in_delta(0.4, @cmyk.k, Color::COLOR_TOLERANCE)
assert_in_delta(40, @cmyk.black, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.black = 20 }
assert_in_delta(0.2, @cmyk.k, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.k = 2.0 }
assert_in_delta(100, @cmyk.black, Color::COLOR_TOLERANCE)
assert_nothing_raised { @cmyk.k = -1.0 }
assert_in_delta(0.0, @cmyk.k, Color::COLOR_TOLERANCE)
end
def test_pdf
assert_equal("0.100 0.200 0.300 0.400 k", @cmyk.pdf_fill)
assert_equal("0.100 0.200 0.300 0.400 K", @cmyk.pdf_stroke)
end
def test_to_cmyk
assert(@cmyk.to_cmyk == @cmyk)
end
def test_to_grayscale
gs = nil
assert_nothing_raised { gs = @cmyk.to_grayscale }
assert_kind_of(Color::GrayScale, gs)
assert_in_delta(0.4185, gs.g, Color::COLOR_TOLERANCE)
assert_kind_of(Color::GreyScale, @cmyk.to_greyscale)
end
def test_to_hsl
hsl = nil
assert_nothing_raised { hsl = @cmyk.to_hsl }
assert_kind_of(Color::HSL, hsl)
assert_in_delta(0.48, hsl.l, Color::COLOR_TOLERANCE)
assert_in_delta(0.125, hsl.s, Color::COLOR_TOLERANCE)
assert_in_delta(0.08333, hsl.h, Color::COLOR_TOLERANCE)
assert_equal("hsl(30.00, 12.50%, 48.00%)", @cmyk.css_hsl)
assert_equal("hsla(30.00, 12.50%, 48.00%, 1.00)", @cmyk.css_hsla)
end
def test_to_rgb
rgb = nil
assert_nothing_raised { rgb = @cmyk.to_rgb(true) }
assert_kind_of(Color::RGB, rgb)
assert_in_delta(0.5, rgb.r, Color::COLOR_TOLERANCE)
assert_in_delta(0.4, rgb.g, Color::COLOR_TOLERANCE)
assert_in_delta(0.3, rgb.b, Color::COLOR_TOLERANCE)
assert_nothing_raised { rgb = @cmyk.to_rgb }
assert_kind_of(Color::RGB, rgb)
assert_in_delta(0.54, rgb.r, Color::COLOR_TOLERANCE)
assert_in_delta(0.48, rgb.g, Color::COLOR_TOLERANCE)
assert_in_delta(0.42, rgb.b, Color::COLOR_TOLERANCE)
assert_equal("#8a7a6b", @cmyk.html)
assert_equal("rgb(54.00%, 48.00%, 42.00%)", @cmyk.css_rgb)
assert_equal("rgba(54.00%, 48.00%, 42.00%, 1.00)", @cmyk.css_rgba)
end
def test_inspect
assert_equal("CMYK [10.00%, 20.00%, 30.00%, 40.00%]", @cmyk.inspect)
end
def test_to_yiq
yiq = nil
assert_nothing_raised { yiq = @cmyk.to_yiq }
assert_kind_of(Color::YIQ, yiq)
assert_in_delta(0.4911, yiq.y, Color::COLOR_TOLERANCE)
assert_in_delta(0.05502, yiq.i, Color::COLOR_TOLERANCE)
assert_in_delta(0.0, yiq.q, Color::COLOR_TOLERANCE)
end
end
end
|
