@Test
public void testInit() throws Exception {

  assertFalse(WXSDKEngine.isInitialized());
  WXSDKEngine.initialize(RuntimeEnvironment.application,null);
  assertTrue(WXSDKEngine.isInitialized());
  //keep compatible
  WXSDKEngine.init(RuntimeEnvironment.application);
  WXSDKEngine.init(RuntimeEnvironment.application,null);
  WXSDKEngine.init(RuntimeEnvironment.application,null,null);
  WXSDKEngine.init(RuntimeEnvironment.application,null,null,null,null);
}