test/java/awt/Robot/HiDPIMouseClick/HiDPIRobotMouseClick.java

*** 1,7 ****
  /*
!  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 25,73 ****
  import java.awt.Rectangle;
  import java.awt.Robot;
  import java.awt.event.InputEvent;
  import java.awt.event.MouseAdapter;
  import java.awt.event.MouseEvent;
! import javax.swing.UIManager;
  
  /* @test
   * @bug 8073320
   * @summary  Windows HiDPI support
!  * @author Alexander Scherbatiy
!  * @requires (os.family == "windows")
!  * @run main/othervm -Dsun.java2d.win.uiScale=2 HiDPIRobotMouseClick
   */
  public class HiDPIRobotMouseClick {
  
      private static volatile int mouseX;
      private static volatile int mouseY;
  
      public static void main(String[] args) throws Exception {
! 
!         try {
!             UIManager.setLookAndFeel(
!                     "com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
!         } catch (Exception e) {
              return;
          }
  
          Frame frame = new Frame();
!         frame.setBounds(30, 20, 400, 300);
          frame.setUndecorated(true);
  
          frame.addMouseListener(new MouseAdapter() {
  
              @Override
              public void mouseClicked(MouseEvent e) {
                  mouseX = e.getXOnScreen();
                  mouseY = e.getYOnScreen();
              }
          });
  
          frame.setVisible(true);
  
-         Robot robot = new Robot();
          robot.waitForIdle();
          Thread.sleep(200);
  
          Rectangle rect = frame.getBounds();
          rect.setLocation(frame.getLocationOnScreen());
--- 25,94 ----
  import java.awt.Rectangle;
  import java.awt.Robot;
  import java.awt.event.InputEvent;
  import java.awt.event.MouseAdapter;
  import java.awt.event.MouseEvent;
! import java.util.List;
! import java.util.concurrent.CountDownLatch;
! 
! import jdk.testlibrary.OSInfo;
  
  /* @test
   * @bug 8073320
   * @summary  Windows HiDPI support
!  * @library ../../../../lib/testlibrary
!  * @build jdk.testlibrary.OSInfo
!  * @run main/othervm HiDPIRobotMouseClick
!  * @run main/othervm -Dsun.java2d.uiScale=1 HiDPIRobotMouseClick
!  * @run main/othervm -Dsun.java2d.uiScale=2 HiDPIRobotMouseClick
!  * @run main/othervm -Dsun.java2d.win.uiScaleX=3 -Dsun.java2d.win.uiScaleY=2
!  *                    HiDPIRobotMouseClick
!  * @run main/othervm -Dsun.java2d.win.uiScaleX=2 -Dsun.java2d.win.uiScaleY=3
!  *                    HiDPIRobotMouseClick
   */
  public class HiDPIRobotMouseClick {
  
      private static volatile int mouseX;
      private static volatile int mouseY;
+     private static CountDownLatch go;
+     private static Robot robot;
  
      public static void main(String[] args) throws Exception {
!         if (!OSInfo.getOSType().equals(OSInfo.OSType.WINDOWS)
!                 && System.getProperty("sun.java2d.win.uiScaleX") != null) {
              return;
          }
+         robot = new Robot();
+         robot.setAutoDelay(50);
+         for (int size : List.of(50, 87, 100, 123, 137, 150)) {
+             test(size);
+         }
+     }
+ 
+     private static void test(int size) throws Exception {
+         go = new CountDownLatch(1);
+         mouseX = -1;
+         mouseY = -1;
+         robot.mouseMove(100, 100);
  
          Frame frame = new Frame();
!         frame.setSize(size, size + 1);
!         frame.setLocationRelativeTo(null);
          frame.setUndecorated(true);
  
          frame.addMouseListener(new MouseAdapter() {
  
              @Override
              public void mouseClicked(MouseEvent e) {
                  mouseX = e.getXOnScreen();
                  mouseY = e.getYOnScreen();
+                 go.countDown();
              }
          });
  
          frame.setVisible(true);
  
          robot.waitForIdle();
          Thread.sleep(200);
  
          Rectangle rect = frame.getBounds();
          rect.setLocation(frame.getLocationOnScreen());
*** 76,87 ****
          int y = (int) rect.getCenterY();
  
          robot.mouseMove(x, y);
          robot.mousePress(InputEvent.BUTTON1_MASK);
          robot.mouseRelease(InputEvent.BUTTON1_MASK);
!         robot.waitForIdle();
! 
          if (x != mouseX || y != mouseY) {
              throw new RuntimeException("Wrong mouse click point!");
          }
      }
  }
--- 97,110 ----
          int y = (int) rect.getCenterY();
  
          robot.mouseMove(x, y);
          robot.mousePress(InputEvent.BUTTON1_MASK);
          robot.mouseRelease(InputEvent.BUTTON1_MASK);
!         go.await();
!         frame.dispose();
          if (x != mouseX || y != mouseY) {
+             System.err.println("Expected: x = " + x + ", y = " + y);
+             System.err.println("Actual: x = " + mouseX + ", y = " + mouseY);
              throw new RuntimeException("Wrong mouse click point!");
          }
      }
  }