Issue 3673 - Merge closely matching rules

test/abp2blocklist.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 47 matching lines @@
          action: {type: "css-display-none", selector: ".whatever"}}
       ])
     ]);
   },
 
   testElementHidingExceptions: function(test)
   {
     runTest(test, [
       testRules(test, [
         "##.whatever",
-        "test.com###something",
+        "test.com,anothertest.com###something",
         "@@||special.test.com^$elemhide",
         "@@||test.com^$generichide",
+        "@@||anothertest.com^$elemhide",
         "@@^something^$elemhide",
         "@@^anything^$generichide"
       ], [
-        ["^https?://", ["*test.com", "*special.test.com"]],
+        ["^https?://", ["*test.com", "*special.test.com", "*anothertest.com"]],
         ["^https?://([^/:]*\\.)?test\\.com[/:]", ["*special.test.com"]]
       ], rules => rules.map(rule => [rule.trigger["url-filter"],
                                      rule.trigger["unless-domain"]])),
 
       testRules(test, ["#@#whatever"], []),
       testRules(test, ["test.com#@#whatever"], []),
       testRules(test, ["~test.com#@#whatever"], []),
 
       // We currently completely ignore any element hiding filters that have the
       // same selector as an element hiding exception. In these examples
@@ skipping 412 matching lines @@
                 {merge: "all"}),
 
       // Redundant rules should be discarded.
       testRules(test, ["/ad", "/ads", "/advertisement"],
                 ["^[^:]+:(//)?.*/ad"],
                 rules => rules.map(rule => rule.trigger["url-filter"]),
                 {merge: "all"})
     ]);
   }
 };