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Contents
require File.join(File.dirname(__FILE__), '..', 'spec_helper')
SAMPLE_LIBRARY = {
:red => '#FF0000',
:purplish => '#FF20EE',
:orange => '#F0FF00'
}
describe Color do
it 'should default to white' do
Color.new.r.should == 255
Color.new.g.should == 255
Color.new.b.should == 255
Color.new.a.should == 255
end
it 'should convert to string as a web string' do
Color.parse(1,2,3).to_s.should == '#010203'
end
it 'should parse web colors' do
Color.new('#f8019c').should == Color.new(248,1,156)
end
it 'should make the global rgb() method available' do
defined?(:rgb).should be_true
end
it 'should parse values with rgb()' do
['#fa8', Color::BLACK].each do |test|
rgb(test).should == Color.parse(test)
end
end
it 'should support alpha' do
c = rgb('abc')
c.a.should == 255
c.trans?.should be_false
c.opaque?.should be_true
c.to_s.should == '#AABBCC'
c.a = 38
c.a.should == 38
c.trans?.should be_true
c.opaque?.should be_false
c.to_s.should == '#AABBCC26'
end
it 'should support a definable callback for symbols' do
Color.lookup_callback = lambda{|val| SAMPLE_LIBRARY[val]}
SAMPLE_LIBRARY.each_pair do |k,v|
rgb(k).should == rgb(v)
end
Color.parse(:purplish).should == SAMPLE_LIBRARY[:purplish]
end
end
Version data entries
9 entries across 9 versions & 1 rubygems