mirror of https://github.com/thangisme/notes.git
75 lines
3.2 KiB
JavaScript
75 lines
3.2 KiB
JavaScript
/**
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* @author Markus Ekholm
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* @copyright 2012-2015 (c) Markus Ekholm <markus at botten dot org >
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* @license Copyright (c) 2012-2015, Markus Ekholm
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL MARKUS EKHOLM BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* IMPORTS
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*/
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var assert = require('assert');
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var color_convert = require('../lib/convert');
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/**
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* TESTS
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*/
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describe('convert', function(){
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describe('#rgb_to_lab()', function(){
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it('should convert to expected lab color #1', function(){
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assert.deepEqual({'L' : 40.473, 'a' : -6.106, 'b' : -21.417},
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round_all(color_convert.rgb_to_lab({'R' : 55,
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'G' : 100,
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'B' : 130})));
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});
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it('should convert to expected lab color #2', function(){
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assert.deepEqual({'L' : 0, 'a' : 0, 'b' : 0},
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round_all(color_convert.rgb_to_lab({'R' : 0,
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'G' : 0,
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'B' : 0})));
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});
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it('should convert to expected lab color #3', function(){
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assert.deepEqual({'L' : 100, 'a' : 0.005, 'b' : -0.010},
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round_all(color_convert.rgb_to_lab({'R' : 255,
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'G' : 255,
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'B' : 255})));
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});
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})
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});
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/**
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* INTERNAL FUNCTIONS
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*/
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function round_all(c){ return {'L' : round(c.L),
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'a' : round(c.a),
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'b' : round(c.b)};
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}
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function round(n){ return Math.round(n*1000)/1000; }
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// Local Variables:
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// allout-layout: t
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// js-indent-level: 2
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// End:
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