Noissue - Add tests for base domain extraction

test/domain.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 163 matching lines @@
 
   test.equal(getDomain("example.com"), "example.com");
   test.equal(getDomain("mail.example.com"), "example.com");
   test.equal(getDomain("secure.mail.example.com"), "example.com");
 
   // Cascading offsets.
 
   // If these sanity checks fail, look for other examles of cascading offsets
   // from the public suffix list.
   test.equal(
+    typeof publicSuffixes[
+      "images.example.s3.dualstack.us-east-1.amazonaws.com"
+    ],
+    "undefined"
+  );
+  test.equal(
     typeof publicSuffixes["example.s3.dualstack.us-east-1.amazonaws.com"],
     "undefined"
   );
   test.equal(publicSuffixes["s3.dualstack.us-east-1.amazonaws.com"], 1);
   test.equal(typeof publicSuffixes["dualstack.us-east-1.amazonaws.com"],
              "undefined");
   test.equal(typeof publicSuffixes["example.us-east-1.amazonaws.com"],
              "undefined");
   test.equal(publicSuffixes["us-east-1.amazonaws.com"], 1);
   test.equal(typeof publicSuffixes["example.amazonaws.com"], "undefined");
   test.equal(typeof publicSuffixes["amazonaws.com"], "undefined");
 
+  test.equal(getDomain("images.example.s3.dualstack.us-east-1.amazonaws.com"),
+            "example.s3.dualstack.us-east-1.amazonaws.com");
   test.equal(getDomain("example.s3.dualstack.us-east-1.amazonaws.com"),
             "example.s3.dualstack.us-east-1.amazonaws.com");
   test.equal(getDomain("s3.dualstack.us-east-1.amazonaws.com"),
             "s3.dualstack.us-east-1.amazonaws.com");
   test.equal(getDomain("dualstack.us-east-1.amazonaws.com"),
             "dualstack.us-east-1.amazonaws.com");
   test.equal(getDomain("example.us-east-1.amazonaws.com"),
             "example.us-east-1.amazonaws.com");
   test.equal(getDomain("us-east-1.amazonaws.com"), "us-east-1.amazonaws.com");
   test.equal(getDomain("example.amazonaws.com"), "amazonaws.com");
   test.equal(getDomain("amazonaws.com"), "amazonaws.com");
 
   // Edge case.
   test.equal(getDomain(""), "");
 
   test.done();
 };