package test.swing;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.scene.control.Button;

public class FXInitTest
{
  public static void main(String[] args) throws InterruptedException
  {
    final AtomicBoolean flag = new AtomicBoolean(false);
    List<Thread> threads = new ArrayList<Thread>();
    for (int i = 0; i < 5; i++)
      threads.add( 
        new Thread("runLater") {
          public void run() {
            while (!flag.get()); // stall this until all threads are at this point
            new JFXPanel(); // should init the toolkit in JFXPanel.initFX
            Platform.runLater(new Runnable() { // throws IllegalStateException, eventually
              public void run() { new Button(); }
            });
          };
        });
    
    for (Thread t : threads)
      t.start();
    
    Thread.sleep(500); // make sure all threads are running and waiting for the flag
    flag.set(true);
    
    for (Thread t : threads)
      t.join();
    
    System.exit(0); 
  }
}