diff -r 000000000000 -r 6474c204b198 toolkit/components/places/tests/unit/test_317472.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/places/tests/unit/test_317472.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,65 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* 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/. */
+
+const charset = "UTF-8";
+const CHARSET_ANNO = "URIProperties/characterSet";
+
+const TEST_URI = uri("http://foo.com");
+const TEST_BOOKMARKED_URI = uri("http://bar.com");
+
+function run_test()
+{
+  run_next_test();
+}
+
+add_task(function test_execute()
+{
+  // add pages to history
+  yield promiseAddVisits(TEST_URI);
+  yield promiseAddVisits(TEST_BOOKMARKED_URI);
+
+  // create bookmarks on TEST_BOOKMARKED_URI
+  var bm1 = PlacesUtils.bookmarks.insertBookmark(
+              PlacesUtils.unfiledBookmarksFolderId,
+              TEST_BOOKMARKED_URI, PlacesUtils.bookmarks.DEFAULT_INDEX,
+              TEST_BOOKMARKED_URI.spec);
+  var bm2 = PlacesUtils.bookmarks.insertBookmark(
+              PlacesUtils.toolbarFolderId,
+              TEST_BOOKMARKED_URI, PlacesUtils.bookmarks.DEFAULT_INDEX,
+              TEST_BOOKMARKED_URI.spec);
+
+  // set charset on not-bookmarked page
+  yield PlacesUtils.setCharsetForURI(TEST_URI, charset);
+  // set charset on bookmarked page
+  yield PlacesUtils.setCharsetForURI(TEST_BOOKMARKED_URI, charset);
+
+  // check that we have created a page annotation
+  do_check_eq(PlacesUtils.annotations.getPageAnnotation(TEST_URI, CHARSET_ANNO), charset);
+
+  // get charset from not-bookmarked page
+  do_check_eq((yield PlacesUtils.getCharsetForURI(TEST_URI)), charset);
+
+  // get charset from bookmarked page
+  do_check_eq((yield PlacesUtils.getCharsetForURI(TEST_BOOKMARKED_URI)), charset);
+
+  yield promiseClearHistory();
+
+  // ensure that charset has gone for not-bookmarked page
+  do_check_neq((yield PlacesUtils.getCharsetForURI(TEST_URI)), charset);
+
+  // check that page annotation has been removed
+  try {
+    PlacesUtils.annotations.getPageAnnotation(TEST_URI, CHARSET_ANNO);
+    do_throw("Charset page annotation has not been removed correctly");
+  } catch (e) {}
+
+  // ensure that charset still exists for bookmarked page
+  do_check_eq((yield PlacesUtils.getCharsetForURI(TEST_BOOKMARKED_URI)), charset);
+
+  // remove charset from bookmark and check that has gone
+  yield PlacesUtils.setCharsetForURI(TEST_BOOKMARKED_URI, "");
+  do_check_neq((yield PlacesUtils.getCharsetForURI(TEST_BOOKMARKED_URI)), charset);
+});