diff -r 000000000000 -r 6474c204b198 webapprt/test/chrome/browser_noperm.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webapprt/test/chrome/browser_noperm.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+Cu.import("resource://webapprt/modules/WebappRT.jsm");
+let { AllPossiblePermissions } =
+  Cu.import("resource://gre/modules/PermissionsInstaller.jsm", {});
+let { AppsUtils } = Cu.import("resource://gre/modules/AppsUtils.jsm", {});
+let { DOMApplicationRegistry } =
+  Cu.import("resource://gre/modules/Webapps.jsm", {});
+
+function test() {
+  waitForExplicitFinish();
+
+  loadWebapp("noperm.webapp", undefined, function onLoad() {
+    let app = WebappRT.config.app;
+
+    // Check that the app is non privileged.
+    is(AppsUtils.getAppManifestStatus(app.manifest), Ci.nsIPrincipal.APP_STATUS_INSTALLED, "The app is not privileged");
+
+    // Check that the app principal has the correct appId.
+    let principal = document.getElementById("content").contentDocument.defaultView.document.nodePrincipal;
+    is(DOMApplicationRegistry.getAppLocalIdByManifestURL(app.manifestURL), principal.appId, "Principal app ID correct");
+
+    // Check if all the permissions of the app are unknown.
+    for (let permName of AllPossiblePermissions) {
+      // Get the value for the permission.
+      let permValue = Services.perms.testExactPermissionFromPrincipal(principal, permName);
+
+      is(permValue, Ci.nsIPermissionManager.UNKNOWN_ACTION, "Permission " + permName + " unknown.");
+    }
+
+    finish();
+  });
+}