Issue 6975 - Check for specific anti-circumvention subscription URL

test/filterListener.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 317 matching lines @@
   subscription3.disabled = false;
   checkKnownFilters(test, "enable exception rules", {blacklist: [filter1.text], whitelist: [filter2.text]});
 
   test.done();
 };
 
 exports.testSnippetFilters = function(test)
 {
   let filter1 = Filter.fromText("example.com#$#filter1");
   let filter2 = Filter.fromText("example.com#$#filter2");
+  let filter3 = Filter.fromText("example.com#$#filter3");
 
   let subscription1 = Subscription.fromURL("http://test1/");
   subscription1.filters = [filter1, filter2];
 
   FilterStorage.addSubscription(subscription1);
   checkKnownFilters(test, "add subscription with filter1 and filter2", {});
 
   let subscription2 = Subscription.fromURL("http://test2/");
   subscription2.type = "circumvention";
   subscription2.filters = [filter1];
 
   FilterStorage.addSubscription(subscription2);
   checkKnownFilters(test, "add subscription of type circumvention with filter1", {snippets: [filter1.text]});
 
   let subscription3 = Subscription.fromURL("~foo");
   subscription3.filters = [filter2];
 
   FilterStorage.addSubscription(subscription3);
   checkKnownFilters(test, "add special subscription with filter2", {snippets: [filter1.text, filter2.text]});
 
+  let subscription4 = Subscription.fromURL("https://easylist-downloads.adblockplus.org/abp-filters-anti-cv.txt");
+  subscription4.filters = [filter3];
+
+  FilterStorage.addSubscription(subscription4);
+  checkKnownFilters(test, "add ABP anti-circumvention subscription with filter3", {snippets: [filter1.text, filter2.text, filter3.text]});
+
   test.done();
 };