import java.util.concurrent.atomic.AtomicBoolean;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Tooltip;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class MTCssFail extends Application {

    @Override public void start(Stage stage) {
        stage.setTitle("Concurrent CSS StyleManager test");

        final VBox root = new VBox(5);
        root.setPadding(new Insets(5));
        Scene scene = new Scene(root, 600, 450);

        final AtomicBoolean err = new AtomicBoolean(false);
        final Label statusLabel = new Label("IDLE");
        final SimpleIntegerProperty count = new SimpleIntegerProperty(0);
        final Label countLabel = new Label();
        countLabel.textProperty().bind(count.asString());

        Button button = new Button("Start Threads");
        button.setOnAction(e -> {
            statusLabel.setText("RUNNING...");
            Thread[] bgThreads = new Thread[10];
            count.set(bgThreads.length);
            err.set(false);
            for (int i = 0; i < bgThreads.length; i++) {
                Thread thr = new Thread(() -> {
                    try {
                        for (int j = 0; j < 1000; j++) {
                            Tooltip tip = new Tooltip("Tooltip #" + j);
                        }
                    } catch (RuntimeException ex) {
                        err.set(true);
                    } finally {
                        Platform.runLater(() -> {
                            synchronized (count) {
                                int c = count.get() - 1;
                                count.set(c);
                            }
                        });
                    }
                });
                thr.setName("My Thread - " + i);
                thr.setDaemon(true);
                bgThreads[i] = thr;
            }

            for (Thread thr : bgThreads) {
                thr.start();
            }

            Thread bgMonitorThr = new Thread(() -> {
                try {
                    for (Thread thr : bgThreads) {
                        thr.join();
                    }
                } catch (InterruptedException ex) {
                    System.err.println(ex);
                }
                Platform.runLater(() -> statusLabel.setText(err.get() ? "FAIL" : "DONE"));
            });
            bgMonitorThr.setName("Monitor Thread");
            bgMonitorThr.setDaemon(true);
            bgMonitorThr.start();
        });

        root.getChildren().addAll(countLabel, statusLabel, button);
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        Application.launch(args);
    }
}