Issue 4125 - [emscripten] Convert filter classes to C++

test/subscriptionClasses.js

Index: test/subscriptionClasses.js
===================================================================
--- a/test/subscriptionClasses.js
+++ b/test/subscriptionClasses.js
@@ -12,20 +12,35 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
-let {
-  Subscription, SpecialSubscription, DownloadableSubscription,
-  RegularSubscription, ExternalSubscription
-} = require("../lib/subscriptionClasses");
+let {createSandbox} = require("./_common");
+
+let Subscription = null;
+let SpecialSubscription = null;
+let DownloadableSubscription = null;
+let RegularSubscription = null;
+let ExternalSubscription = null;
+
+exports.setUp = function(callback)
+{
+  let sandboxedRequire = createSandbox();
+  (
+    {
+      Subscription, SpecialSubscription, DownloadableSubscription,
+      RegularSubscription, ExternalSubscription
+    } = sandboxedRequire("../lib/subscriptionClasses")
+  );
+  callback();
+};
 
 function compareSubscription(test, url, expected, postInit)
 {
   expected.push("[Subscription]")
   let subscription = Subscription.fromURL(url);
   if (postInit)
     postInit(subscription)
   let result = [];