resources/test/unit/jquery/jquery.colorUtil.js

   1 module( 'jquery.colorUtil.js' );
   2
   3 test( '-- Initial check', function(){
   4
   5         ok( jQuery.colorUtil, 'jQuery.colorUtil defined' );
   6 });
   7
   8 test( 'getRGB', function(){
   9
  10         equal( typeof jQuery.colorUtil.getRGB(), 'undefined', 'No arguments' );
  11         equal( typeof jQuery.colorUtil.getRGB( '' ), 'undefined', 'Empty string' );
  12         deepEqual( jQuery.colorUtil.getRGB( [0, 100, 255] ), [0, 100, 255], 'Array' );
  13         deepEqual( jQuery.colorUtil.getRGB( 'rgb(0,100,255)' ), [0, 100, 255], 'Parse simple string' );
  14         deepEqual( jQuery.colorUtil.getRGB( 'rgb(0, 100, 255)' ), [0, 100, 255], 'Parse simple string (whitespace)' );
  15         deepEqual( jQuery.colorUtil.getRGB( 'rgb(0%,20%,40%)' ), [0, 51, 102], 'Parse percentages string' );
  16         deepEqual( jQuery.colorUtil.getRGB( 'rgb(0%, 20%, 40%)' ), [0, 51, 102], 'Parse percentages string (whitespace)' );
  17         deepEqual( jQuery.colorUtil.getRGB( '#f2ddee' ), [242, 221, 238], 'Hex string: 6 char lowercase' );
  18         deepEqual( jQuery.colorUtil.getRGB( '#f2DDEE' ), [242, 221, 238], 'Hex string: 6 char uppercase' );
  19         deepEqual( jQuery.colorUtil.getRGB( '#f2DdEe' ), [242, 221, 238], 'Hex string: 6 char mixed' );
  20         deepEqual( jQuery.colorUtil.getRGB( '#eee' ), [238, 238, 238], 'Hex string: 3 char lowercase' );
  21         deepEqual( jQuery.colorUtil.getRGB( '#EEE' ), [238, 238, 238], 'Hex string: 3 char uppercase' );
  22         deepEqual( jQuery.colorUtil.getRGB( '#eEe' ), [238, 238, 238], 'Hex string: 3 char mixed' );
  23         deepEqual( jQuery.colorUtil.getRGB( 'rgba(0, 0, 0, 0)' ), [255, 255, 255], 'Zero rgba for Safari 3; Transparent (whitespace)' );
  24         // Perhaps this is a bug in colorUtil, but it is the current behaviour so, let's keep track
  25         // would that ever change
  26         equal( typeof jQuery.colorUtil.getRGB( 'rgba(0,0,0,0)' ), 'undefined', 'Zero rgba without whitespace' );
  27
  28         deepEqual( jQuery.colorUtil.getRGB( 'lightGreen' ), [144, 238, 144], 'Color names (lightGreen)' );
  29         deepEqual( jQuery.colorUtil.getRGB( 'lightGreen' ), [144, 238, 144], 'Color names (transparent)' );
  30         equal( typeof jQuery.colorUtil.getRGB( 'mediaWiki' ), 'undefined', 'Inexisting color name' );
  31
  32 });
  33
  34 test( 'rgbToHsl', function(){
  35         var hsl = jQuery.colorUtil.rgbToHsl( 144, 238, 144 );
  36         var dualDecimals = function(a,b){
  37                 return Math.round(a*100)/100;
  38         };
  39
  40         ok( hsl, 'Basic return evaluation' );
  41         deepEqual( dualDecimals(hsl[0]) , 0.33, 'rgb(144, 238, 144): H 0.33' );
  42         deepEqual( dualDecimals(hsl[1]) , 0.73, 'rgb(144, 238, 144): S 0.73' );
  43         deepEqual( dualDecimals(hsl[2]) , 0.75, 'rgb(144, 238, 144): L 0.75' );
  44
  45 });
  46
  47 test( 'hslToRgb', function(){
  48         var rgb = jQuery.colorUtil.hslToRgb( 0.3, 0.7, 0.8 );
  49
  50         ok( rgb, 'Basic return evaluation' );
  51         deepEqual( Math.round(rgb[0]) , 183, 'hsl(0.3, 0.7, 0.8): R 183' );
  52         deepEqual( Math.round(rgb[1]) , 240, 'hsl(0.3, 0.7, 0.8): G 240' );
  53         deepEqual( Math.round(rgb[2]) , 168, 'hsl(0.3, 0.7, 0.8): B 168' );
  54
  55 });
  56
  57 test( 'getColorBrightness', function(){
  58
  59         var a = jQuery.colorUtil.getColorBrightness( 'red', +0.1 );
  60
  61         equal( a, 'rgb(255,50,50)', 'Start with named color, brighten 10%' );
  62
  63         var b = jQuery.colorUtil.getColorBrightness( 'rgb(200,50,50)', -0.2 );
  64
  65         equal( b, 'rgb(118,29,29)', 'Start with rgb string, darken 10%' );
  66
  67 });