added a unit test for EM unit support in link element media attributes

test/unit/index.html

@@ -7,6 +7,7 @@
 	<script src="http://github.com/jquery/qunit/raw/master/qunit/qunit.js"></script>
 	<link href="test.css" rel="stylesheet" />
 	<link href="test2.css" media="screen and (min-width: 1200px)" rel="stylesheet" />
+	<link href="test3.css" media="screen and (min-width: 87.5em)" rel="stylesheet" />
 	<script src="../../respond.src.js"></script>
 	<script src="tests.js"></script>
 

test/unit/test3.css

@@ -0,0 +1,5 @@
+/* this stylesheet was referenced via a link that had a media attr defined
+it should only apply on screen > 87.5em (1400px) */
+#testelem {
+	width: 25px;
+}

test/unit/tests.js

@@ -131,6 +131,13 @@ window.onload = function(){
 			}, 900);	
 		});
 
+		asyncTest( "stylesheets with an EM-based media query in a media attribute apply when they should", function() { 
+			window.resizeTo(1500,600);
+			setTimeout(function(){
+				ok( widthApplied( 25 ), "testelem is 25px wide when window is > 1400px wide" );
+				start();
+			}, 900);	
+		});
 
 	}