Debug frame : Unit Test : Development Class : Java examples (example source code) Organized by topic




import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;



import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;



public class DebugWinTest extends JFrame implements ActionListener {

  private JButton aButton = new JButton("button");



  private DebugWin dw = new DebugWin();



  public DebugWinTest() {

    setTitle("DebugWinTest");

    setSize(100, 100);

    addWindowListener(new WindowAdapter() {

      public void windowClosing(WindowEvent e) {

        System.exit(0);

      }

    });



    JPanel pane = new JPanel();



    pane.add(aButton);

    aButton.addActionListener(this);



    getContentPane().add(pane);

  }



  public void actionPerformed(ActionEvent evt) {

    dw.print("Event = " + evt);

  }



  public static void main(String[] args) {

    JFrame f = new DebugWinTest();

    f.show();

  }



  class DebugWin extends JFrame {

    private JTextArea output = new JTextArea();



    public void print(Object ob) {

      output.append("\n" + ob);

    }



    public DebugWin() {

      setTitle("DebugWin");

      output.setEditable(false);

      output.setText("[DebugWin]");

      getContentPane().add(new JScrollPane(output), "Center");

      setSize(300, 200);

      setLocation(200, 200);

      addWindowListener(new WindowAdapter() {

        public void windowClosing(WindowEvent e) {

          setVisible(false);

        }

      });

      show();

    }

  }

}


1. Set JUnit Test case fail information
2. JUnit assertEquals: Float With Delta
3. Assert equals: int
4. Assert equals: Long
5. JUnit assertEquals With Message
6. JUnit assertTrue
7. JUnit assertTrue: ObjectArray
8. Before annotation
9. JUnit BeforeClass
10. JUnit Extends TestCase
11. JUnit Ignore
12. Simple test with JUnit
13. JUnit Test Case With Expected Exception
14. JUnit Test Setup
15. Simple use of JUnit to test ArrayList
16. Error Handler
17. Redirect or reassign some standard descriptors
18. Utilities for debugging
19. Testing class Class
20. Simple utility for testing program output
21. Assertion tool for debugging
22. Simple Debugging
23. Demonstration of Design by Contract (DBC) combined with white-box unit testing