diff -r 000000000000 -r 6474c204b198 dom/mobilemessage/tests/marionette/test_mmdb_new.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/mobilemessage/tests/marionette/test_mmdb_new.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 60000;
+MARIONETTE_HEAD_JS = 'mmdb_head.js';
+
+const DBNAME = "test_mmdb_new:" + newUUID();
+let dbVersion = 0;
+
+function check(aMmdb) {
+  is(aMmdb.dbName, DBNAME, "dbName");
+  if (!dbVersion) {
+    ok(aMmdb.dbVersion, "dbVersion");
+    dbVersion = aMmdb.dbVersion;
+  } else {
+    is(aMmdb.dbVersion, dbVersion, "dbVersion");
+  }
+}
+
+startTestBase(function testCaseMain() {
+  log("Test init MobileMessageDB");
+
+  let mmdb = newMobileMessageDB();
+  return initMobileMessageDB(mmdb, DBNAME, dbVersion)
+    .then(() => check(mmdb))
+    .then(() => closeMobileMessageDB(mmdb))
+    .then(() => check(mmdb))
+
+    .then(function() {
+      log("Test re-init and close.");
+      return initMobileMessageDB(mmdb, DBNAME, dbVersion);
+    })
+    .then(() => check(mmdb))
+    .then(() => closeMobileMessageDB(mmdb))
+    .then(() => check(mmdb));
+});