Contents

require "minitest/spec"
require "minitest/autorun"
require 'rcade_colors'

describe Rcade::Color do

  it 'can create black from hex' do
    c = Rcade::Color.from_hex('000000')
    [c.red, c.green, c.blue, c.alpha].must_equal [0,0,0,255]
    c = Rcade::Color.from_hex('000')
    [c.red, c.green, c.blue, c.alpha].must_equal [0,0,0,255]
    c = Rcade::Color.from_hex('#000000')
    [c.red, c.green, c.blue, c.alpha].must_equal [0,0,0,255]
    c = Rcade::Color.from_hex('#000')
    [c.red, c.green, c.blue, c.alpha].must_equal [0,0,0,255]
  end

  it 'can create white from hex' do
    c = Rcade::Color.from_hex('ffffff')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,255,255,255]
    c = Rcade::Color.from_hex('fff')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,255,255,255]
    c = Rcade::Color.from_hex('#ffffff')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,255,255,255]
    c = Rcade::Color.from_hex('#fff')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,255,255,255]
    c = Rcade::Color.from_hex('fFf') # case shouldnt matter
    [c.red, c.green, c.blue, c.alpha].must_equal [255,255,255,255]
  end

  it 'can create red from hex' do
    c = Rcade::Color.from_hex('ff0000')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,0,0,255]
    c = Rcade::Color.from_hex('f00')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,0,0,255]
    c = Rcade::Color.from_hex('#ff0000')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,0,0,255]
    c = Rcade::Color.from_hex('#f00')
    [c.red, c.green, c.blue, c.alpha].must_equal [255,0,0,255]
  end

  it 'can modify opacity' do
    c = Rcade::Color.from_hex('#f00').opacity(0)
    [c.red, c.green, c.blue, c.alpha].must_equal [255,0,0,0]

    color = Rcade::Color.from_hex('#f00').opacity(1)
    color.alpha.must_equal(255)

    color = Rcade::Color.from_hex('#f00').opacity(0.5)
    color.alpha.must_equal(127)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rcade_colors-0.0.5	test/rcade_colors_test.rb