1 files changed, 30 insertions, 0 deletions
diff --git a/toolkit/components/startup/tests/unit/head_startup.js b/toolkit/components/startup/tests/unit/head_startup.js
new file mode 100644
index 000000000..2466f70ee
--- /dev/null
+++ b/toolkit/components/startup/tests/unit/head_startup.js
@@ -0,0 +1,30 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const XULRUNTIME_CONTRACTID = "@mozilla.org/xre/runtime;1";
+const XULRUNTIME_CID = Components.ID("7685dac8-3637-4660-a544-928c5ec0e714}");
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+var gAppInfo = null;
+
+function createAppInfo(ID, name, version, platformVersion="1.0") {
+  let tmp = {};
+  Components.utils.import("resource://testing-common/AppInfo.jsm", tmp);
+  gAppInfo = tmp.newAppInfo({
+    ID, name, version, platformVersion,
+    crashReporter: true,
+    replacedLockTime: 0,
+  });
+
+  let XULAppInfoFactory = {
+    createInstance: function (outer, iid) {
+      if (outer != null)
+        throw Components.results.NS_ERROR_NO_AGGREGATION;
+      return gAppInfo.QueryInterface(iid);
+    }
+  };
+  let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+  registrar.registerFactory(XULRUNTIME_CID, "XULRuntime",
+                            XULRUNTIME_CONTRACTID, XULAppInfoFactory);
+}