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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
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  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /**
  25  * @test
  26  * @key headful
  27  * @bug 8016356
  28  * @summary Any swing frame resizes ugly.
  29  * @author Oleg Pekhovskiy
  30  * @requires (os.family == "windows")
  31  * @library ../../../../lib/testlibrary
  32  * @build jdk.testlibrary.OSInfo
  33  * @run main bug8016356
  34  */
  35 
  36 import java.awt.AWTException;
  37 import java.awt.Color;
  38 import java.awt.Dimension;
  39 import java.awt.GraphicsConfiguration;
  40 import java.awt.GraphicsEnvironment;
  41 import java.awt.Insets;
  42 import java.awt.Point;
  43 import java.awt.Rectangle;
  44 import java.awt.Robot;
  45 import java.awt.Toolkit;
  46 import java.awt.event.InputEvent;
  47 import javax.swing.JFrame;
  48 import javax.swing.JPanel;
  49 import javax.swing.SwingUtilities;
  50 import sun.awt.OSInfo;
  51 
  52 public class bug8016356 {
  53     private static JFrame frame;
  54     private static Color color;
  55     private static int scrTop;
  56 
  57     private static Point frLoc;
  58     private static Dimension frSize;
  59 
  60     public static void main(String[] args) throws Exception {
  61 
  62         // Windows only test
  63         if (OSInfo.getOSType() == OSInfo.OSType.WINDOWS) {
  64 
  65             // Retrieving top edge of Desktop
  66             GraphicsConfiguration grConf = GraphicsEnvironment
  67                     .getLocalGraphicsEnvironment().getDefaultScreenDevice()
  68                     .getDefaultConfiguration();
  69             Rectangle scrRect = grConf.getBounds();
  70             Insets scrInsets = Toolkit.getDefaultToolkit().getScreenInsets(grConf);
  71             scrTop = scrRect.y + scrInsets.top;
  72 
  73             color = new Color(0, 255, 0);
  74 
  75             SwingUtilities.invokeAndWait(() -> {
  76                 createAndShowUI();
  77             });
  78 
  79             try {
  80                 Robot robot = new Robot();
  81                 robot.setAutoDelay(500);
  82                 robot.setAutoWaitForIdle(true);
  83                 robot.delay(1000);
  84 
  85                 // Resizing a window to invoke Windows Snap feature
  86                 readFrameInfo();
  87                 robot.mouseMove(frLoc.x + frSize.width / 2, frLoc.y);
  88                 robot.mousePress(InputEvent.BUTTON1_MASK);
  89                 robot.mouseMove(frLoc.x + frSize.width / 2, scrTop);
  90                 robot.mouseRelease(InputEvent.BUTTON1_MASK);
  91 
  92                 // Retrieving the color of window expanded area
  93                 readFrameInfo();
  94                 Insets insets = frame.getInsets();
  95                 Color bgColor = robot.getPixelColor(frLoc.x + frSize.width / 2,
  96                         frLoc.y + frSize.height - insets.bottom - 1);
  97 
  98                 frame.dispose();
  99 
 100                 if (!bgColor.equals(color)) {
 101                     throw new RuntimeException("TEST FAILED: got "
 102                             + bgColor + " instead of " + color);
 103                 }
 104                 System.out.println("TEST PASSED!");
 105             } catch (AWTException ex) {
 106                 throw new RuntimeException("TEST FAILED!");
 107             }
 108         }
 109     }
 110 
 111     private static void createAndShowUI() {
 112         frame = new JFrame();
 113         frame.setBounds(10, scrTop + 10, 300, 100);
 114         JPanel panel = new JPanel();
 115         panel.setBackground(color);
 116         frame.getContentPane().add(panel);
 117         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 118         frame.setVisible(true);
 119     }
 120 
 121     private static void readFrameInfo() throws Exception {
 122         SwingUtilities.invokeAndWait(() -> {
 123             frLoc = frame.getLocationOnScreen();
 124             frSize = frame.getSize();
 125         });
 126     }
 127 }