--- a/dom/sms/tests/marionette/manifest.ini
+++ b/dom/sms/tests/marionette/manifest.ini
@@ -1,16 +1,17 @@
 [DEFAULT]
 b2g = true
 browser = false
 qemu = true
 
 ;[test_between_emulators.py]
 [test_incoming.js]
 [test_outgoing.js]
+[test_emulator_loopback.js]
 [test_message_classes.js]
 [test_incoming_delete.js]
 [test_outgoing_delete.js]
 [test_getmessage.js]
 [test_getmessage_notfound.js]
 [test_incoming_multipart.js]
 [test_getmessages.js]
 [test_filter_date.js]

new file mode 100644
--- /dev/null
+++ b/dom/sms/tests/marionette/test_emulator_loopback.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 10000;
+
+const SELF = "5554";
+
+SpecialPowers.setBoolPref("dom.sms.enabled", true);
+SpecialPowers.addPermission("sms", true, document);
+
+function cleanUp() {
+  SpecialPowers.removePermission("sms", document);
+  SpecialPowers.clearUserPref("dom.sms.enabled");
+  finish();
+}
+
+let sms = window.navigator.mozSms;
+ok(sms instanceof MozSmsManager);
+
+function randomString16() {
+  return Math.random().toString(36).substr(2, 16);
+}
+
+function times(str, n) {
+  return (new Array(n + 1)).join(str);
+}
+
+function repeat(func, array, oncomplete) {
+  (function do_call(index) {
+    let next = index < (array.length - 1) ? do_call.bind(null, index + 1) : oncomplete;
+    func.apply(null, [array[index], next]);
+  })(0);
+}
+
+function doTest(body, callback) {
+  sms.addEventListener("received", function onReceived(event) {
+    event.target.removeEventListener(event.type, arguments.callee);
+
+    let message = event.message;
+    is(message.body, body, "message.body");
+
+    window.setTimeout(callback, 0);
+  });
+
+  let request = sms.send(SELF, body);
+  request.onerror = function onerror() {
+    ok(false, "failed to send message '" + body + "' to '" + SELF + "'");
+  };
+}
+
+repeat(doTest, [
+  // Random alphanumeric string of 16 characters.
+  randomString16(),
+  // Long long text message for multipart messages.
+  times(randomString16(), 100),
+
+  // UCS2 string for the first sentence of "The Cooing", Classic of Poetry.
+  "\u95dc\u95dc\u96ce\u9ce9\uff0c\u5728\u6cb3\u4e4b\u6d32\u3002",
+  // Long long UCS2 text message for multipart messages.
+  times("\u95dc\u95dc\u96ce\u9ce9\uff0c\u5728\u6cb3\u4e4b\u6d32\u3002", 100),
+
+  // Test case from Bug 809553
+  "zertuuuppzuzyeueieieyeieoeiejeheejrueufjfjfjjfjfkxifjfjfufjjfjfufujdjduxxjdu"
+  + "djdjdjdudhdjdhdjdbddhbfjfjxbuwjdjdudjddjdhdhdvdyudusjdudhdjjfjdvdudbddjdbd"
+  + "usjfbjdfudjdhdjbzuuzyzehdjjdjwybwudjvwywuxjdbfudsbwuwbwjdjdbwywhdbddudbdjd"
+  + "uejdhdudbdduwjdbjddudjdjdjdudjdbdjdhdhdjjdjbxudjdbxufjudbdjhdjdisjsjzusbzh"
+  + "xbdudksksuqjgdjdb jeudi jeudis duhebevzcevevsvs DVD suscite eh du d des jv"
+  + " y b Dj. Du  wh. Hu Deb wh. Du web h w show d DVD h w v.  Th\u00e9 \u00e9c"
+  + "hec d whdvdj. Wh d'h\u00f4tel DVD. IMAX eusjw ii ce",
+
+  // Android Emulator specific problems:
+  // 1) wrong default 7Bit alphabet character for "Ň"(U+0147).
+  "\u0147",
+  // 2) problem in decoding strings encoded with GSM 7Bit Alphabets and
+  // containing characters on extension tables.
+  "\u20ac****",
+], cleanUp);