Issue 2062 - Preserve trailing question mark when converting URL into string

qunit/tests/url.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 63 matching lines @@
     }
 
     function testPreservedURL(url, message)
     {
       testNormalizedURL(url, url, message);
     }
 
     testPreservedURL("http://example.com/foo", "includes path");
     testPreservedURL("http://example.com/?foo=bar", "includes query");
     testPreservedURL("http://example.com:8080/", "includes port");
+    testPreservedURL("http://example.com/?", "with empty query string");
     testNormalizedURL("http://example.com/#top","http://example.com/", "stripped hash");
-    testNormalizedURL("http://user:password@example.com/","http://example.com/", "stripped auth credentials");
+    testNormalizedURL("http://example.com/#top?", "http://example.com/", "stripped hash with trailing question mark");
     testNormalizedURL("http://xn--f-1gaa.com/","http://f\u00f6\u00f6.com/", "decoded punycode");
     testPreservedURL("about:blank", "about:blank");
     testPreservedURL("data:text/plain,foo", "data: URL");
   });
 
   test("Third-party checks", function()
   {
     function hostnameToURL(hostname)
     {
       return new URL("http://" + hostname);
@@ skipping 31 matching lines @@
     testThirdParty("1.0xff.1.1", "2.0xff.1.1", true, "different IPv4 address with hexadecimal octet is third-party");
     testThirdParty("0xff.example.com", "example.com", false, "domain starts like a hexadecimal IPv4 address but isn't one");
     testThirdParty("[2001:db8:85a3::8a2e:370:7334]", "[2001:db8:85a3::8a2e:370:7334]", false, "same IPv6 address isn't third-party");
     testThirdParty("[2001:db8:85a3::8a2e:370:7334]", "[5001:db8:85a3::8a2e:370:7334]", true, "different IPv6 address is third-party");
     testThirdParty("[::ffff:192.0.2.128]", "[::ffff:192.0.2.128]", false, "same IPv4-mapped IPv6 address isn't third-party");
     testThirdParty("[::ffff:192.0.2.128]", "[::ffff:192.1.2.128]", true, "different IPv4-mapped IPv6 address is third-party");
     testThirdParty("xn--f-1gaa.com", "f\u00f6\u00f6.com", false, "same IDN isn't third-party");
     testThirdParty("example.com..", "example.com....", false, "traling dots are ignored");
   });
 })();