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#!/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'
require 'color/css'
module TestColor
class TestColor < Test::Unit::TestCase
def setup
Kernel.module_eval do
alias old_warn warn
def warn(message)
$last_warn = message
end
end
end
def teardown
Kernel.module_eval do
undef warn
alias warn old_warn
undef old_warn
end
end
def test_const
$last_warn = nil
assert_equal(Color::RGB::AliceBlue, Color::AliceBlue)
assert_equal("Color::AliceBlue has been deprecated. Use Color::RGB::AliceBlue instead.", $last_warn)
$last_warn = nil # Do this twice to make sure it always happens...
assert(Color::AliceBlue)
assert_equal("Color::AliceBlue has been deprecated. Use Color::RGB::AliceBlue instead.", $last_warn)
$last_warn = nil
assert_equal(Color::COLOR_VERSION, Color::VERSION)
assert_equal("Color::VERSION has been deprecated. Use Color::COLOR_VERSION instead.", $last_warn)
$last_warn = nil
assert_equal(Color::COLOR_VERSION, Color::COLOR_TOOLS_VERSION)
assert_equal("Color::COLOR_TOOLS_VERSION has been deprecated. Use Color::COLOR_VERSION instead.", $last_warn)
$last_warn = nil
assert(Color::COLOR_VERSION)
assert_nil($last_warn)
assert(Color::COLOR_EPSILON)
assert_nil($last_warn)
assert_raises(NameError) { assert(Color::MISSING_VALUE) }
end
def test_normalize
(1..10).each do |i|
assert_equal(0.0, Color.normalize(-7 * i))
assert_equal(0.0, Color.normalize(-7 / i))
assert_equal(0.0, Color.normalize(0 - i))
assert_equal(1.0, Color.normalize(255 + i))
assert_equal(1.0, Color.normalize(256 * i))
assert_equal(1.0, Color.normalize(65536 / i))
end
(0..255).each do |i|
assert_in_delta(i / 255.0, Color.normalize(i / 255.0),
1e-2)
end
end
def test_normalize_range
assert_equal(0, Color.normalize_8bit(-1))
assert_equal(0, Color.normalize_8bit(0))
assert_equal(127, Color.normalize_8bit(127))
assert_equal(172, Color.normalize_8bit(172))
assert_equal(255, Color.normalize_8bit(255))
assert_equal(255, Color.normalize_8bit(256))
assert_equal(-100, Color.normalize_to_range(-101, -100..100))
assert_equal(-100, Color.normalize_to_range(-100.5, -100..100))
assert_equal(-100, Color.normalize_to_range(-100, -100..100))
assert_equal(-100, Color.normalize_to_range(-100.0, -100..100))
assert_equal(-99.5, Color.normalize_to_range(-99.5, -100..100))
assert_equal(-50, Color.normalize_to_range(-50, -100..100))
assert_equal(-50.5, Color.normalize_to_range(-50.5, -100..100))
assert_equal(0, Color.normalize_to_range(0, -100..100))
assert_equal(50, Color.normalize_to_range(50, -100..100))
assert_equal(50.5, Color.normalize_to_range(50.5, -100..100))
assert_equal(99, Color.normalize_to_range(99, -100..100))
assert_equal(99.5, Color.normalize_to_range(99.5, -100..100))
assert_equal(100, Color.normalize_to_range(100, -100..100))
assert_equal(100, Color.normalize_to_range(100.0, -100..100))
assert_equal(100, Color.normalize_to_range(100.5, -100..100))
assert_equal(100, Color.normalize_to_range(101, -100..100))
end
def test_new
$last_warn = nil
c = Color.new("#fff")
assert_kind_of(Color::HSL, c)
assert_equal(Color::RGB::White.to_hsl, c)
assert_equal("Color.new has been deprecated. Use Color::RGB.new instead.", $last_warn)
$last_warn = nil
c = Color.new([0, 0, 0])
assert_kind_of(Color::HSL, c)
assert_equal(Color::RGB::Black.to_hsl, c)
assert_equal("Color.new has been deprecated. Use Color::RGB.new instead.", $last_warn)
$last_warn = nil
c = Color.new([10, 20, 30], :hsl)
assert_kind_of(Color::HSL, c)
assert_equal(Color::HSL.new(10, 20, 30), c)
assert_equal("Color.new has been deprecated. Use Color::HSL.new instead.", $last_warn)
$last_warn = nil
c = Color.new([10, 20, 30, 40], :cmyk)
assert_kind_of(Color::HSL, c)
assert_equal(Color::CMYK.new(10, 20, 30, 40).to_hsl, c)
assert_equal("Color.new has been deprecated. Use Color::CMYK.new instead.", $last_warn)
end
end
end
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