diff -r 000000000000 -r 6474c204b198 toolkit/components/places/tests/inline/test_do_not_trim.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/places/tests/inline/test_do_not_trim.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,67 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Inline should never return matches shorter than the search string, since
+// that largely confuses completeDefaultIndex
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 1",
+  "mozilla.org ",
+  "mozilla.org ",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 2",
+  "mozilla.org/ ",
+  "mozilla.org/ ",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 3",
+  "mozilla.org/link ",
+  "mozilla.org/link ",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 4",
+  "mozilla.org/link/ ",
+  "mozilla.org/link/ ",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);
+
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 5",
+  "moz illa ",
+  "moz illa ",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);
+
+add_autocomplete_test([
+  "Do not autofill whitespaced entry 6",
+  " mozilla",
+  " mozilla",
+  function () {
+    promiseAddVisits({ uri: NetUtil.newURI("http://mozilla.org/link/"),
+                       transition: TRANSITION_TYPED });
+  }
+]);