Issue 5870 - Implement the new ElemHideEmulation filter type

test/subscriptionClasses.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 102 matching lines @@
   test.done();
 };
 
 exports.testSubscriptionDefaults = function(test)
 {
   let tests = [
     ["blocking", "test"],
     ["whitelist", "@@test"],
     ["elemhide", "##test"],
     ["elemhide", "#@#test"],
-    ["elemhide", "foo##[-abp-properties='foo']"],
+    ["elemhide", "foo##:-abp-properties(foo)"],
+    ["elemhide", "foo#?#:-abp-properties(foo)"],
+    // Invalid elemhide filter. Incorrectly classified as blocking.
+    // See https://issues.adblockplus.org/ticket/6234
+    ["blocking", "foo#@?#:-abp-properties(foo)"],
     ["", "!test"],
     ["", "/??/"],
     ["blocking whitelist", "test", "@@test"],
     ["blocking elemhide", "test", "##test"]
   ];
 
   for (let [defaults, ...filters] of tests)
   {
     let expected = ["url=~user~" + filters.join("~")];
     if (defaults)
@@ skipping 227 matching lines @@
     subscription.errors++;
   }, ["subscription.errors", "http://example.com/"], "Increasing subscription.errors");
   checkNotifications(() =>
   {
     subscription.errors = 0;
   }, ["subscription.errors", "http://example.com/"], "Resetting subscription.errors");
 
   subscription.delete();
   test.done();
 };