package org.apidesign.deadlock;

import java.awt.Dimension;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.SwingUtilities;

import org.netbeans.junit.NbTestCase;

import static org.junit.Assert.*;

public class DeadlockSyncOnTest extends NbTestCase {

    static final Logger LOG = Logger.getLogger(DeadlockSyncOnTest.class.getName());

    private static final JLabel preLoadClasses = new JLabel();

    public DeadlockSyncOnTest(String n) {

        super(n);

    }

    @Override

    protected int timeOut() {

        return 30000;

    }

    public static class StrangePanel extends LabelProviderSyncOnTreeLock {

        @Override

        public Dimension getPreferredSize () {

            try {

                Thread.sleep(1000);

                JLabel sampleLabel = createLabel();

                return sampleLabel.getPreferredSize();

            } catch (InterruptedException ex) {

                Logger.getLogger(DeadlockSyncOnTest.class.getName()).log(Level.SEVERE, null, ex);

                return super.getPreferredSize();

            }

        }

    }

    public void testCreateLabel() throws Exception {

        final LabelProviderSyncOnTreeLock instance = new StrangePanel();

        class R implements Runnable {

            public void run() {

                JFrame f = new JFrame();

                f.add(instance);

                f.setVisible(true);

                f.pack();

            }

        }

        R showFrame = new R();

        SwingUtilities.invokeLater(showFrame);

        Thread.sleep(500);

        JLabel result = instance.createLabel();

        assertNotNull("Creates the result", result);

    }

}