20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.awt.Component;
  25 import java.awt.Dimension;
  26 import java.awt.Rectangle;
  27 import java.awt.Toolkit;
  28 import javax.swing.JComponent;
  29 import javax.swing.JFrame;
  30 import javax.swing.JPanel;
  31 import javax.swing.JTabbedPane;
  32 import javax.swing.JViewport;
  33 import javax.swing.SwingUtilities;
  34 import javax.swing.UIManager;
  35 import javax.swing.plaf.metal.MetalLookAndFeel;
  36 
  37 
  38 /**
  39  * @test

  40  * @bug 7170310
  41  * @author Alexey Ivanov
  42  * @summary Selected tab should be scrolled into view.
  43  * @library ../../../../lib/testlibrary/
  44  * @build ExtendedRobot
  45  * @run main bug7170310
  46  */

  47 public class bug7170310 {
  48     private static final int TABS_NUMBER = 3;
  49 
  50     private static volatile JTabbedPane tabbedPane;
  51     private static volatile int count = 1;
  52 
  53     private static volatile JFrame frame;
  54 
  55     private static volatile Exception exception = null;
  56 
  57     public static void main(String[] args) throws Exception {
  58         try {
  59             UIManager.setLookAndFeel(new MetalLookAndFeel());
  60             SwingUtilities.invokeAndWait(bug7170310::createAndShowUI);
  61 
  62             sync();
  63 
  64             for (int i = 0; i < TABS_NUMBER; i++) {
  65                 SwingUtilities.invokeAndWait(bug7170310::addTab);
  66                 sync();
  67             }
  68 
  69             SwingUtilities.invokeAndWait(bug7170310::check);
  70 
  71             if (exception != null) {
  72                 System.out.println("Test failed: " + exception.getMessage());
  73                 throw exception;
  74             } else {
  75                 System.out.printf("Test passed");
  76             }
  77         } finally {
  78             frame.dispose();
  79         }
  80     }
  81 
  82     private static void createAndShowUI() {
  83         frame = new JFrame("bug7170310");
  84         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  85         frame.setSize(200, 100);
  86 
  87         tabbedPane = new JTabbedPane();
  88         tabbedPane.addTab("Main Tab", new JPanel());
  89 
  90         tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
  91 
  92         frame.getContentPane().add(tabbedPane);
  93         frame.setVisible(true);
  94     }
  95 
  96     private static void addTab() {
  97         tabbedPane.addTab("Added Tab " + count++, new JPanel());
  98         tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.awt.Component;
  25 import java.awt.Dimension;
  26 import java.awt.Rectangle;
  27 import java.awt.Toolkit;
  28 import javax.swing.JComponent;
  29 import javax.swing.JFrame;
  30 import javax.swing.JPanel;
  31 import javax.swing.JTabbedPane;
  32 import javax.swing.JViewport;
  33 import javax.swing.SwingUtilities;
  34 import javax.swing.UIManager;
  35 import javax.swing.plaf.metal.MetalLookAndFeel;
  36 
  37 
  38 /**
  39  * @test
  40  * @key headful
  41  * @bug 7170310
  42  * @author Alexey Ivanov
  43  * @summary Selected tab should be scrolled into view.
  44  * @library ../../../../lib/testlibrary/
  45  * @build ExtendedRobot
  46  * @run main bug7170310
  47  */
  48 
  49 public class bug7170310 {
  50     private static final int TABS_NUMBER = 3;
  51 
  52     private static volatile JTabbedPane tabbedPane;
  53     private static volatile int count = 1;
  54 
  55     private static volatile JFrame frame;
  56 
  57     private static volatile Exception exception = null;
  58 
  59     public static void main(String[] args) throws Exception {
  60         try {
  61             UIManager.setLookAndFeel(new MetalLookAndFeel());
  62             SwingUtilities.invokeAndWait(bug7170310::createAndShowUI);
  63 
  64             sync();
  65 
  66             for (int i = 0; i < TABS_NUMBER; i++) {
  67                 SwingUtilities.invokeAndWait(bug7170310::addTab);
  68                 sync();
  69             }
  70 
  71             SwingUtilities.invokeAndWait(bug7170310::check);
  72 
  73             if (exception != null) {
  74                 System.out.println("Test failed: " + exception.getMessage());
  75                 throw exception;
  76             } else {
  77                 System.out.printf("Test passed");
  78             }
  79         } finally {
  80             if (frame != null) { frame.dispose(); }
  81         }
  82     }
  83 
  84     private static void createAndShowUI() {
  85         frame = new JFrame("bug7170310");
  86         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  87         frame.setSize(200, 100);
  88 
  89         tabbedPane = new JTabbedPane();
  90         tabbedPane.addTab("Main Tab", new JPanel());
  91 
  92         tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
  93 
  94         frame.getContentPane().add(tabbedPane);
  95         frame.setVisible(true);
  96     }
  97 
  98     private static void addTab() {
  99         tabbedPane.addTab("Added Tab " + count++, new JPanel());
 100         tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);