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  * Development and Distribution License("CDDL") (collectively, the

  * "License"). You may not use this file except in compliance with the

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  * The Original Software is NetBeans. The Initial Developer of the Original

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 package net.java.html.boot.fx;

 import java.net.URL;

 import java.util.concurrent.CountDownLatch;

 import javafx.application.Application;

 import javafx.application.Platform;

 import javafx.scene.Scene;

 import javafx.scene.layout.BorderPane;

 import javafx.scene.web.WebView;

 import javafx.stage.Stage;

 import net.java.html.js.JavaScriptBody;

 import static org.testng.Assert.*;

 import org.testng.annotations.BeforeClass;

 import org.testng.annotations.Test;

 /**

  *

  * @author Jaroslav Tulach

  */

 public class FXBrowsersTest {

     public FXBrowsersTest() {

     }

     @BeforeClass public void initFX() throws Throwable {

         new Thread("initFX") {

             @Override

             public void run() {

                 if (Platform.isFxApplicationThread()) {

                     new App().start(new Stage());

                 } else {

                     try {

                         App.launch(App.class);

                     } catch (IllegalStateException ex) {

                         Platform.runLater(this);

                     }

                 }

             }

         }.start();

         App.CDL.await();

     }

     @Test

     public void behaviorOfTwoWebViewsAtOnce() throws Throwable {

         class R implements Runnable {

             CountDownLatch DONE = new CountDownLatch(1);

             Throwable t;

             @Override

             public void run() {

                 try {

                     doTest();

                 } catch (Throwable ex) {

                     t = ex;

                 } finally {

                     DONE.countDown();

                 }

             }

             private void doTest() throws Throwable {

                 URL u = FXBrowsersTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");

                 assertNotNull(u, "URL found");

                 FXBrowsers.load(App.getV1(), u, OnPages.class, "first");

             }

         }

         R run = new R();

         Platform.runLater(run);

         run.DONE.await();

         for (int i = 0; i < 100; i++) {

             if (run.t != null) {

                 throw run.t;

             }

             if (System.getProperty("finalSecond") == null) {

                 Thread.sleep(100);

             }

         }

         assertEquals(Integer.getInteger("finalFirst"), Integer.valueOf(3), "Three times in view one");

         assertEquals(Integer.getInteger("finalSecond"), Integer.valueOf(2), "Two times in view one");

         final CountDownLatch finish = new CountDownLatch(1);

         final Object[] three = { 0 };

         assertFalse(Platform.isFxApplicationThread());

         FXBrowsers.runInBrowser(App.getV1(), new Runnable() {

             @Override

             public void run() {

                 assertTrue(Platform.isFxApplicationThread());

                 three[0] = App.getV1().getEngine().executeScript("window.cntBrwsr");

                 finish.countDown();

             }

         });

         finish.await();

         assertEquals(three[0], Integer.valueOf(3));

     }

     public static class OnPages {

         static Class<?> first;

         static Object firstWindow;

         public static void first() {

             first = OnPages.class;

             firstWindow = window();

             assertNotNull(firstWindow, "First window found");

             assertEquals(increment(), 1, "Now it is one");

             URL u = FXBrowsersTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");

             assertNotNull(u, "URL found");

             FXBrowsers.load(App.getV2(), u, new Runnable() {

                 @Override

                 public void run() {

                     OnPages.second("Hello");

                 }

             });

             assertEquals(increment(), 2, "Now it is two and not influenced by second view");

             System.setProperty("finalFirst", "" + increment());

         }

         public static void second(String... args) {

             assertEquals(args.length, 1, "One string argument");

             assertEquals(args[0], "Hello", "It is hello");

             assertEquals(first, OnPages.class, "Both views share the same classloader");

             Object window = window();

             assertNotNull(window, "Some window found");

             assertNotNull(firstWindow, "First window is known");

             assertNotSame(firstWindow, window, "The window objects should be different");

             assertEquals(increment(), 1, "Counting starts from zero");

             System.setProperty("finalSecond", "" + increment());

         }

         @JavaScriptBody(args = {}, body = "return window;")

         private static native Object window();

         @JavaScriptBody(args = {}, body = ""

             + "if (window.cntBrwsr) return ++window.cntBrwsr;"

             + "return window.cntBrwsr = 1;"

         )

         private static native int increment();

     }

     public static class App extends Application {

         static final CountDownLatch CDL = new CountDownLatch(1);

         private static BorderPane pane;

         /**

          * @return the v1

          */

         static WebView getV1() {

             return (WebView)System.getProperties().get("v1");

         }

         /**

          * @return the v2

          */

         static WebView getV2() {

             return (WebView)System.getProperties().get("v2");

         }

         @Override

         public void start(Stage stage) {

             pane= new BorderPane();

             Scene scene = new Scene(pane, 800, 600);

             stage.setScene(scene);

             System.getProperties().put("v1", new WebView());

             System.getProperties().put("v2", new WebView());

             pane.setCenter(getV1());

             pane.setBottom(getV2());

             CDL.countDown();

         }

     }

 }