tests/qunit/suites/resources/jquery/jquery.hidpi.test.js

   1 QUnit.module( 'jquery.hidpi', QUnit.newMwEnvironment() );
   2
   3 QUnit.test( 'devicePixelRatio', function ( assert ) {
   4         var devicePixelRatio = $.devicePixelRatio();
   5         assert.equal( typeof devicePixelRatio, 'number', '$.devicePixelRatio() returns a number' );
   6 });
   7
   8 QUnit.test( 'matchSrcSet', function ( assert ) {
   9         var srcset = 'onefive.png 1.5x, two.png 2x';
  10
  11         // Nice exact matches
  12         assert.equal( $.matchSrcSet( 1, srcset ), null, '1.0 gives no match' );
  13         assert.equal( $.matchSrcSet( 1.5, srcset ), 'onefive.png', '1.5 gives match' );
  14         assert.equal( $.matchSrcSet( 2, srcset ), 'two.png', '2 gives match' );
  15
  16         // Non-exact matches; should return the next-biggest specified
  17         assert.equal( $.matchSrcSet( 1.25, srcset ), null, '1.25 gives no match' );
  18         assert.equal( $.matchSrcSet( 1.75, srcset ), 'onefive.png', '1.75 gives match to 1.5' );
  19         assert.equal( $.matchSrcSet( 2.25, srcset ), 'two.png', '2.25 gives match to 2' );
  20 });