Add some more tests for HREF attribute washing

tests/Framework/Washtml.php

@@ -15,7 +15,9 @@ class Framework_Washtml extends PHPUnit_Framework_TestCase
     {
         // #1488850
         $html = '<p><a href="data:text/html,&lt;script&gt;alert(document.cookie)&lt;/script&gt;">Firefox</a>'
-            .'<a href="vbscript:alert(document.cookie)">Internet Explorer</a></p>';
+            .'<a href="vbscript:alert(document.cookie)">Internet Explorer</a></p>'
+            .'<p><A href="data:text/html,&lt;script&gt;alert(document.cookie)&lt;/script&gt;">Firefox</a>'
+            .'<A HREF="vbscript:alert(document.cookie)">Internet Explorer</a></p>';
 
         $washer = new rcube_washtml;
         $washed = $washer->wash($html);
@@ -44,7 +46,10 @@ class Framework_Washtml extends PHPUnit_Framework_TestCase
     {
         $html = '<p><area href="data:text/html,&lt;script&gt;alert(document.cookie)&lt;/script&gt;">'
             . '<area href="vbscript:alert(document.cookie)">Internet Explorer</p>'
-            . '<area href="javascript:alert(document.domain)" shape=default>';
+            . '<area href="javascript:alert(document.domain)" shape=default>'
+            . '<p><AREA HREF="data:text/html,&lt;script&gt;alert(document.cookie)&lt;/script&gt;">'
+            . '<Area href="vbscript:alert(document.cookie)">Internet Explorer</p>'
+            . '<area HREF="javascript:alert(document.domain)" shape=default>';
 
         $washer = new rcube_washtml;
         $washed = $washer->wash($html);