diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_bug414122.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_bug414122.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,60 @@
+const PR_RDONLY = 0x1;
+
+var etld = Cc["@mozilla.org/network/effective-tld-service;1"]
+             .getService(Ci.nsIEffectiveTLDService);
+var idn = Cc["@mozilla.org/network/idn-service;1"]
+             .getService(Ci.nsIIDNService);
+
+function run_test()
+{
+  var fis = Cc["@mozilla.org/network/file-input-stream;1"]
+              .createInstance(Ci.nsIFileInputStream);
+  fis.init(do_get_file("effective_tld_names.dat"),
+           PR_RDONLY, 0444, Ci.nsIFileInputStream.CLOSE_ON_EOF);
+
+  var lis = Cc["@mozilla.org/intl/converter-input-stream;1"]
+              .createInstance(Ci.nsIConverterInputStream);
+  lis.init(fis, "UTF-8", 1024, 0);
+  lis.QueryInterface(Ci.nsIUnicharLineInputStream);
+
+  var out = { value: "" };
+  do
+  {
+    var more = lis.readLine(out);
+    var line = out.value;
+
+    line = line.replace(/^\s+/, "");
+    var firstTwo = line.substring(0, 2); // a misnomer, but whatever
+    if (firstTwo == "" || firstTwo == "//")
+      continue;
+
+    var space = line.search(/[ \t]/);
+    line = line.substring(0, space == -1 ? line.length : space);
+
+    if ("*." == firstTwo)
+    {
+      let (rest = line.substring(2))
+      {
+        checkPublicSuffix("foo.SUPER-SPECIAL-AWESOME-PREFIX." + rest,
+                          "SUPER-SPECIAL-AWESOME-PREFIX." + rest);
+      }
+    }
+    else if ("!" == line.charAt(0))
+    {
+      checkPublicSuffix(line.substring(1),
+                        line.substring(line.indexOf(".") + 1));
+    }
+    else
+    {
+      checkPublicSuffix("SUPER-SPECIAL-AWESOME-PREFIX." + line, line);
+    }
+  }
+  while (more);
+}
+
+function checkPublicSuffix(host, expectedSuffix)
+{
+  expectedSuffix = idn.convertUTF8toACE(expectedSuffix).toLowerCase();
+  var actualSuffix = etld.getPublicSuffixFromHost(host);
+  do_check_eq(actualSuffix, expectedSuffix);
+}