diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_bug261425.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_bug261425.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+function run_test() {
+  var ios = Cc["@mozilla.org/network/io-service;1"].
+    getService(Ci.nsIIOService);
+
+  var newURI = ios.newURI("http://foo.com", null, null);
+
+  var success = false;
+  try {
+    newURI.spec = "http: //foo.com";
+  }
+  catch (e) {
+    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
+  }
+  if (!success)
+    do_throw("We didn't throw NS_ERROR_MALFORMED_URI when a space was passed in the hostname!");
+
+  success = false;
+  try {
+    newURI.host = " foo.com";
+  }
+  catch (e) {
+    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
+  }
+  if (!success)
+    do_throw("We didn't throw NS_ERROR_MALFORMED_URI when a space was passed in the hostname!");
+}