text: test("MediaList", function(){
  	var m = new CSSOM.MediaList;
  	strictEqual(m.length, 0);
  
  	m.appendMedium("handheld");
  	m.appendMedium("screen");
  	m.appendMedium("only screen and (max-device-width: 480px)");
  
  	m.deleteMedium("screen");
  
  	strictEqual(m[2], undefined);
  
  	var expected = {
  		0: "handheld",
  		1: "only screen and (max-device-width: 480px)",
  		length: 2
  	};
  
  	equalOwnProperties(m, expected);
  	equal(m.mediaText, [].join.call(expected, ", "));
  });
  