chrome/test/data/extensions/api_test/runtime/content_script/content_script.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var assertFalse = chrome.test.assertFalse;
   6 var assertTrue = chrome.test.assertTrue;
   7 var succeed = chrome.test.succeed;
   8
   9 function isAvailable(api) {
  10   if (!(api in chrome.runtime))
  11     return false;
  12
  13   try {
  14     var mightThrowException = chrome.runtime[api];
  15   } catch (e) {
  16     return false;
  17   }
  18
  19   // Defined and doesn't throw an exception on access. It's available.
  20   return true;
  21 }
  22
  23 assertTrue(chrome.hasOwnProperty('runtime'), 'chrome.runtime not defined.');
  24
  25 // Would test lastError but it's only defined when there's been an error.
  26 assertTrue(isAvailable('id'), 'id not available.');
  27 assertTrue(isAvailable('getManifest'), 'getManifest not available');
  28 assertTrue(isAvailable('getURL'), 'getManifest not available');
  29 assertFalse(isAvailable('getBackgroundPage'), 'getBackgroundPage available');
  30 assertFalse(isAvailable('onInstalled'), 'onInstalled available');
  31 assertFalse(isAvailable('onSuspend'), 'onSuspend available');
  32
  33 succeed();