关于软件测试(3):基于上一篇等价类划分的扩展应用

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;

public class test3 {
public final static boolean RIGHT_TO_LEFT = false;
static JButton jb = new JButton("OK");
static JTextField tf = new JTextField("");
static JTextField tf2 = new JTextField("");
static JTextField tf3 = new JTextField("");
static JTextArea ta = new JTextArea("");
public static void addComponentsToPane(Container contentPane) {
if (RIGHT_TO_LEFT) {
contentPane.setComponentOrientation(
ComponentOrientation.RIGHT_TO_LEFT);
}
// Any number of rows and 2 columns
contentPane.setLayout(new GridLayout(6,1));

contentPane.add(new JLabel("Enter your name"));
contentPane.add(tf);
contentPane.add(tf2);
contentPane.add(tf3);
contentPane.add(jb);
contentPane.add(ta);
//jb.setMnemonic(KeyEvent.VK_I); //Set ShortCut Keys
jb.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
String[] test = new String[3];

test[0] = tf.getText();
test[1] = tf2.getText();
test[2] = tf3.getText();
ta.setText("");
for (int i = 0; i < 3; i++) {

if (test[i].matches("[A-Za-z0-9]{1,6}"))
ta.setText(ta.getText()+"No."+i+":ok"+"\n");
else if (test[i].length() <= 0)
ta.setText(ta.getText()+"No."+i+":输入不能为空"+"\n");
else if (test[i].length() > 6)
ta.setText(ta.getText()+"No."+i+":输入字符长度过长"+"\n");
else
ta.setText(ta.getText()+"No."+i+":只能输入英文字母或者数字"+"\n");

}

}
});
}

private static void createAndShowGUI() {
JFrame.setDefaultLookAndFeelDecorated(true);

JFrame frame = new JFrame("GridLayout Source Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//Set up the content pane and components in GridLayout
addComponentsToPane(frame.getContentPane());

frame.pack();
frame.setVisible(true);
}

public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}