Issue 4684 - Allow { and } in attribute and property selectors

test/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 361 matching lines @@
 
   for (let filterText of emptyDomainFilters)
   {
     let filter = Filter.fromText(filterText);
     test.ok(filter instanceof InvalidFilter);
     test.equal(filter.reason, "filter_invalid_domain");
   }
 
   test.done();
 };
+
+exports.testElemHideRulesWithBraces = function(test)
+{
+  compareFilter(test, "###foo{color: red}",
+                ["type=elemhide",
+                 "text=###foo{color: red}",
+                 "selectorDomain=",
+                 "selector=#foo\\x7Bcolor: red\\x7D",
+                 "domains="]);
+  compareFilter(test, "foo.com##[-abp-properties='/margin: [3-4]{2}/']",
+                ["type=elemhideemulation",
+                 "text=foo.com##[-abp-properties='/margin: [3-4]{2}/']",
+                 "selectorDomain=foo.com",
+                 "selector=[-abp-properties='/margin: [3-4]\\x7B2\\x7D/']",
+                 "domains=FOO.COM"]);
+  test.done();
+};