/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.kosample.js;

 import java.io.Closeable;

 import net.java.html.boot.script.Scripts;

 import org.netbeans.html.boot.spi.Fn;

 import static org.testng.Assert.assertEquals;

 import org.testng.annotations.AfterMethod;

 import org.testng.annotations.BeforeMethod;

 import org.testng.annotations.Test;

 /** Tests for behavior of @JavaScriptBody methods. Set your JavaScript 

  * environment up (for example define <code>alert</code> or use some

  * emulation library like <em>env.js</em>), register script presenter 

  * and then you can call methods that deal with JavaScript in your tests.

  */

 public class JsInteractionTest {

     private Closeable jsEngine;

     @BeforeMethod public void initializeJSEngine() throws Exception {

         jsEngine = Fn.activate(Scripts.createPresenter());

     }

     @AfterMethod public void shutdownJSEngine() throws Exception {

         jsEngine.close();

     }

     @Test public void testCallbackFromJavaScript() throws Exception {

         class R implements Runnable {

             int called;

             @Override

             public void run() {

                 called++;

             }

         }

         R callback = new R();

         Dialogs.confirmByUser("Hello", callback);

         assertEquals(callback.called, 1, "One immediate callback");

     }

 }