1 files changed, 47 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_bug410900.js b/browser/components/preferences/tests/browser_bug410900.js
new file mode 100644
index 0000000000..4fd4bb21f5
--- /dev/null
+++ b/browser/components/preferences/tests/browser_bug410900.js
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  waitForExplicitFinish();
+
+  // Setup a phony handler to ensure the app pane will be populated.
+  var handler = Cc["@mozilla.org/uriloader/web-handler-app;1"].createInstance(
+    Ci.nsIWebHandlerApp
+  );
+  handler.name = "App pane alive test";
+  handler.uriTemplate = "http://test.mozilla.org/%s";
+
+  var extps = Cc[
+    "@mozilla.org/uriloader/external-protocol-service;1"
+  ].getService(Ci.nsIExternalProtocolService);
+  var info = extps.getProtocolHandlerInfo("apppanetest");
+  info.possibleApplicationHandlers.appendElement(handler);
+
+  var hserv = Cc["@mozilla.org/uriloader/handler-service;1"].getService(
+    Ci.nsIHandlerService
+  );
+  hserv.store(info);
+
+  openPreferencesViaOpenPreferencesAPI("general", { leaveOpen: true })
+    .then(() => gBrowser.selectedBrowser.contentWindow.promiseLoadHandlersList)
+    .then(() => runTest(gBrowser.selectedBrowser.contentWindow));
+}
+
+function runTest(win) {
+  var rbox = win.document.getElementById("handlersView");
+  ok(rbox, "handlersView is present");
+
+  var items = rbox && rbox.getElementsByTagName("richlistitem");
+  ok(items && !!items.length, "App handler list populated");
+
+  var handlerAdded = false;
+  for (let i = 0; i < items.length; i++) {
+    if (items[i].getAttribute("type") == "apppanetest") {
+      handlerAdded = true;
+    }
+  }
+  ok(handlerAdded, "apppanetest protocol handler was successfully added");
+
+  gBrowser.removeCurrentTab();
+  finish();
+}