diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/browser/browser_bug557943.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/browser/browser_bug557943.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Bug 557943 - Searching for addons can result in wrong results
+
+var gManagerWindow;
+var gProvider;
+
+function test() {
+  waitForExplicitFinish();
+
+  gProvider = new MockProvider();
+
+  gProvider.createAddons([{
+    id: "addon1@tests.mozilla.org",
+    name: "Microsoft .NET Framework Assistant",
+    description: "",
+    version: "6.66"
+  }, {
+    id: "addon2@tests.mozilla.org",
+    name: "AwesomeNet Addon",
+    description: ""
+  }, {
+    id: "addon3@tests.mozilla.org",
+    name: "Dictionnaire MySpell en Francais (réforme 1990)",
+    description: ""
+  }]);
+
+  open_manager("addons://list/extension", function(aWindow) {
+    gManagerWindow = aWindow;
+    run_next_test();
+  });
+}
+
+function end_test() {
+  close_manager(gManagerWindow, function() {
+    finish();
+  });
+}
+
+
+function perform_search(aQuery, aCallback) {
+  waitForFocus(function() {
+    var searchBox = gManagerWindow.document.getElementById("header-search");
+    searchBox.value = aQuery;
+
+    EventUtils.synthesizeMouseAtCenter(searchBox, { }, gManagerWindow);
+    EventUtils.synthesizeKey("VK_RETURN", { }, gManagerWindow);
+    wait_for_view_load(gManagerWindow, function() {
+      var list = gManagerWindow.document.getElementById("search-list");
+      var rows = list.getElementsByTagName("richlistitem");
+      aCallback(rows);
+    });
+  }, gManagerWindow);
+}
+
+
+add_test(function() {
+  perform_search(".net", function(aRows) {
+    is(aRows.length, 1, "Should only get one result");
+    is(aRows[0].mAddon.id, "addon1@tests.mozilla.org", "Should get expected addon as only result");
+    run_next_test();
+  });
+});
+
+add_test(function() {
+  perform_search("réf", function(aRows) {
+    is(aRows.length, 1, "Should only get one result");
+    is(aRows[0].mAddon.id, "addon3@tests.mozilla.org", "Should get expected addon as only result");
+    run_next_test();
+  });
+});
+
+add_test(function() {
+  perform_search("javascript:void()", function(aRows) {
+    is(aRows.length, 0, "Should not get any results");
+    run_next_test();
+  });
+});