import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/extensions/test/xpcshell/test_ext_api_permissions.js

@@ -0,0 +1,64 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+let {Management} = Cu.import("resource://gre/modules/Extension.jsm", {});
+function getNextContext() {
+  return new Promise(resolve => {
+    Management.on("proxy-context-load", function listener(type, context) {
+      Management.off("proxy-context-load", listener);
+      resolve(context);
+    });
+  });
+}
+
+add_task(function* test_storage_api_without_permissions() {
+  let extension = ExtensionTestUtils.loadExtension({
+    background() {
+      // Force API initialization.
+      void browser.storage;
+    },
+
+    manifest: {
+      permissions: [],
+    },
+  });
+
+  let contextPromise = getNextContext();
+  yield extension.startup();
+
+  let context = yield contextPromise;
+
+  // Force API initialization.
+  void context.apiObj;
+
+  ok(!("storage" in context.apiObj),
+     "The storage API should not be initialized");
+
+  yield extension.unload();
+});
+
+add_task(function* test_storage_api_with_permissions() {
+  let extension = ExtensionTestUtils.loadExtension({
+    background() {
+      void browser.storage;
+    },
+
+    manifest: {
+      permissions: ["storage"],
+    },
+  });
+
+  let contextPromise = getNextContext();
+  yield extension.startup();
+
+  let context = yield contextPromise;
+
+  // Force API initialization.
+  void context.apiObj;
+
+  equal(typeof context.apiObj.storage, "object",
+        "The storage API should be initialized");
+
+  yield extension.unload();
+});